diff --git a/crypto/lzo-rle.c b/crypto/lzo-rle.c index 0631d975bfac1129a557c79cb1323827fed098de..0abc2d87f04200c6b0088f65bbb966cc748ace72 100644 --- a/crypto/lzo-rle.c +++ b/crypto/lzo-rle.c @@ -55,7 +55,7 @@ static int __lzorle_compress(const u8 *src, unsigned int slen, size_t tmp_len = *dlen; /* size_t(ulong) <-> uint on 64 bit */ int err; - err = lzorle1x_1_compress(src, slen, dst, &tmp_len, ctx); + err = lzorle1x_1_compress_safe(src, slen, dst, &tmp_len, ctx); if (err != LZO_E_OK) return -EINVAL; diff --git a/crypto/lzo.c b/crypto/lzo.c index ebda132dd22bf5434d232a84d4c6a7cb40f02464..8338851c7406a38414f053048714f2346bd88b12 100644 --- a/crypto/lzo.c +++ b/crypto/lzo.c @@ -55,7 +55,7 @@ static int __lzo_compress(const u8 *src, unsigned int slen, size_t tmp_len = *dlen; /* size_t(ulong) <-> uint on 64 bit */ int err; - err = lzo1x_1_compress(src, slen, dst, &tmp_len, ctx); + err = lzo1x_1_compress_safe(src, slen, dst, &tmp_len, ctx); if (err != LZO_E_OK) return -EINVAL; diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c index b7704dd6809dc8786ed5e7db61cbaa0b9847ef07..bf77cfb723d5d630d4fcc20f9985b0a494cbbe11 100644 --- a/drivers/hid/hid-hyperv.c +++ b/drivers/hid/hid-hyperv.c @@ -199,7 +199,8 @@ static void mousevsc_on_receive_device_info(struct mousevsc_dev *input_device, if (!input_device->hid_desc) goto cleanup; - input_device->report_desc_size = desc->desc[0].wDescriptorLength; + input_device->report_desc_size = le16_to_cpu( + desc->rpt_desc.wDescriptorLength); if (input_device->report_desc_size == 0) { input_device->dev_info_status = -EINVAL; goto cleanup; @@ -217,7 +218,7 @@ static void mousevsc_on_receive_device_info(struct mousevsc_dev *input_device, memcpy(input_device->report_desc, ((unsigned char *)desc) + desc->bLength, - desc->desc[0].wDescriptorLength); + le16_to_cpu(desc->rpt_desc.wDescriptorLength)); /* Send the ack */ memset(&ack, 0, sizeof(struct mousevsc_prt_msg)); diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 009a0469d54f6aa4ebe11b5f6f7af8146eeb620f..c3b104c72e496758924c344a690842e10705da53 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -984,12 +984,11 @@ static int usbhid_parse(struct hid_device *hid) struct usb_host_interface *interface = intf->cur_altsetting; struct usb_device *dev = interface_to_usbdev (intf); struct hid_descriptor *hdesc; + struct hid_class_descriptor *hcdesc; u32 quirks = 0; unsigned int rsize = 0; char *rdesc; - int ret, n; - int num_descriptors; - size_t offset = offsetof(struct hid_descriptor, desc); + int ret; quirks = hid_lookup_quirk(hid); @@ -1011,20 +1010,19 @@ static int usbhid_parse(struct hid_device *hid) return -ENODEV; } - if (hdesc->bLength < sizeof(struct hid_descriptor)) { - dbg_hid("hid descriptor is too short\n"); + if (!hdesc->bNumDescriptors || + hdesc->bLength != sizeof(*hdesc) + + (hdesc->bNumDescriptors - 1) * sizeof(*hcdesc)) { + dbg_hid("hid descriptor invalid, bLen=%hhu bNum=%hhu\n", + hdesc->bLength, hdesc->bNumDescriptors); return -EINVAL; } hid->version = le16_to_cpu(hdesc->bcdHID); hid->country = hdesc->bCountryCode; - num_descriptors = min_t(int, hdesc->bNumDescriptors, - (hdesc->bLength - offset) / sizeof(struct hid_class_descriptor)); - - for (n = 0; n < num_descriptors; n++) - if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT) - rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength); + if (hdesc->rpt_desc.bDescriptorType == HID_DT_REPORT) + rsize = le16_to_cpu(hdesc->rpt_desc.wDescriptorLength); if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) { dbg_hid("weird size of report descriptor (%u)\n", rsize); @@ -1052,6 +1050,11 @@ static int usbhid_parse(struct hid_device *hid) goto err; } + if (hdesc->bNumDescriptors > 1) + hid_warn(intf, + "%u unsupported optional hid class descriptors\n", + (int)(hdesc->bNumDescriptors - 1)); + hid->quirks |= quirks; return 0; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c index d1b8b51bf6ad9b8324ab1f6e028c834c2fef8337..88334c4706f4f24144adc56fe450ff2b4f795932 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c @@ -576,6 +576,11 @@ int dwmac5_est_configure(void __iomem *ioaddr, struct stmmac_est *cfg, int i, ret = 0x0; u32 ctrl; + if (!ptp_rate) { + pr_warn("Invalid PTP rate"); + return -EINVAL; + } + ret |= dwmac5_est_write(ioaddr, BTR_LOW, cfg->btr[0], false); ret |= dwmac5_est_write(ioaddr, BTR_HIGH, cfg->btr[1], false); ret |= dwmac5_est_write(ioaddr, TER, cfg->ter, false); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c index a5344fcf77e10ae1b53c1a8b2dce4a27576badfe..4844e6f698b8bd42a1e99ca9ed1013a2da4ee9b5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c @@ -1466,6 +1466,11 @@ static int dwxgmac3_est_configure(void __iomem *ioaddr, struct stmmac_est *cfg, int i, ret = 0x0; u32 ctrl; + if (!ptp_rate) { + pr_warn("Invalid PTP rate"); + return -EINVAL; + } + ret |= dwxgmac3_est_write(ioaddr, XGMAC_BTR_LOW, cfg->btr[0], false); ret |= dwxgmac3_est_write(ioaddr, XGMAC_BTR_HIGH, cfg->btr[1], false); ret |= dwxgmac3_est_write(ioaddr, XGMAC_TER, cfg->ter, false); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 96ac731fd478a99b472e52b6bd32906157b3cec1..5e5ca3f50fe66976011abcc510de7b860f8f7cb9 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -742,6 +742,11 @@ int stmmac_init_tstamp_counter(struct stmmac_priv *priv, u32 systime_flags) if (!(priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) return -EOPNOTSUPP; + if (!priv->plat->clk_ptp_rate) { + netdev_err(priv->dev, "Invalid PTP clock rate"); + return -EINVAL; + } + stmmac_config_hw_tstamping(priv, priv->ptpaddr, systime_flags); priv->systime_flags = systime_flags; diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index e9303be486556580506cf84611c1f643b6967178..d15deb3281edb07fc2fce45a5ec162630b1ab21f 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -754,7 +754,13 @@ int __mdiobus_read(struct mii_bus *bus, int addr, u32 regnum) WARN_ON_ONCE(!mutex_is_locked(&bus->mdio_lock)); - retval = bus->read(bus, addr, regnum); + if (addr >= PHY_MAX_ADDR) + return -ENXIO; + + if (bus->read) + retval = bus->read(bus, addr, regnum); + else + retval = -EOPNOTSUPP; trace_mdio_access(bus, 1, addr, regnum, retval, retval); mdiobus_stats_acct(&bus->stats[addr], true, retval); @@ -780,7 +786,13 @@ int __mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val) WARN_ON_ONCE(!mutex_is_locked(&bus->mdio_lock)); - err = bus->write(bus, addr, regnum, val); + if (addr >= PHY_MAX_ADDR) + return -ENXIO; + + if (bus->write) + err = bus->write(bus, addr, regnum, val); + else + err = -EOPNOTSUPP; trace_mdio_access(bus, 0, addr, regnum, val, err); mdiobus_stats_acct(&bus->stats[addr], false, err); diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c index ba018aeb21d8cab64c3a0817ae362458cb8ed772..2f30699f0426fb0a7e988666d549a7f822463cfb 100644 --- a/drivers/usb/gadget/function/f_hid.c +++ b/drivers/usb/gadget/function/f_hid.c @@ -114,8 +114,8 @@ static struct hid_descriptor hidg_desc = { .bcdHID = cpu_to_le16(0x0101), .bCountryCode = 0x00, .bNumDescriptors = 0x1, - /*.desc[0].bDescriptorType = DYNAMIC */ - /*.desc[0].wDescriptorLenght = DYNAMIC */ + /*.rpt_desc.bDescriptorType = DYNAMIC */ + /*.rpt_desc.wDescriptorLength = DYNAMIC */ }; /* Super-Speed Support */ @@ -724,8 +724,8 @@ static int hidg_setup(struct usb_function *f, struct hid_descriptor hidg_desc_copy = hidg_desc; VDBG(cdev, "USB_REQ_GET_DESCRIPTOR: HID\n"); - hidg_desc_copy.desc[0].bDescriptorType = HID_DT_REPORT; - hidg_desc_copy.desc[0].wDescriptorLength = + hidg_desc_copy.rpt_desc.bDescriptorType = HID_DT_REPORT; + hidg_desc_copy.rpt_desc.wDescriptorLength = cpu_to_le16(hidg->report_desc_length); length = min_t(unsigned short, length, @@ -966,8 +966,8 @@ static int hidg_bind(struct usb_configuration *c, struct usb_function *f) * We can use hidg_desc struct here but we should not relay * that its content won't change after returning from this function. */ - hidg_desc.desc[0].bDescriptorType = HID_DT_REPORT; - hidg_desc.desc[0].wDescriptorLength = + hidg_desc.rpt_desc.bDescriptorType = HID_DT_REPORT; + hidg_desc.rpt_desc.wDescriptorLength = cpu_to_le16(hidg->report_desc_length); hidg_hs_in_ep_desc.bEndpointAddress = diff --git a/fs/exfat/nls.c b/fs/exfat/nls.c index 314d5407a1be50ac2c789c8a58afda8e1baec413..a75d5fb2404c7c7ecc1f85506d978bbe6f9dd5a3 100644 --- a/fs/exfat/nls.c +++ b/fs/exfat/nls.c @@ -804,4 +804,5 @@ int exfat_create_upcase_table(struct super_block *sb) void exfat_free_upcase_table(struct exfat_sb_info *sbi) { kvfree(sbi->vol_utbl); + sbi->vol_utbl = NULL; } diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index 436e09113c9f87c2ca6ab59b6b5d9f31bd21f0bd..3979fc43e095071d2e807a286e1edcabb1b429f6 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -389,7 +389,7 @@ static int ext4_update_inline_data(handle_t *handle, struct inode *inode, } static int ext4_prepare_inline_data(handle_t *handle, struct inode *inode, - unsigned int len) + loff_t len) { int ret, size, no_expand; struct ext4_inode_info *ei = EXT4_I(inode); diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index 99e4ec48d2a46025a79402812b5b2b80134c43c5..43c447c40033d973e5df14f5cec1f5f9672dd7a4 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -606,6 +606,15 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry) goto fail; } + if (unlikely(inode->i_nlink == 0)) { + f2fs_warn(F2FS_I_SB(inode), "%s: inode (ino=%lx) has zero i_nlink", + __func__, inode->i_ino); + err = -EFSCORRUPTED; + set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK); + f2fs_put_page(page, 0); + goto fail; + } + f2fs_balance_fs(sbi, true); f2fs_lock_op(sbi); diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index e3c73415c182197197df5eab6ab59fda71af3325..6594929e3cd619bf454aec5f27bda7fad1366bd2 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -3014,6 +3014,7 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi) block_t user_block_count, valid_user_blocks; block_t avail_node_count, valid_node_count; unsigned int nat_blocks, nat_bits_bytes, nat_bits_blocks; + unsigned int sit_blk_cnt; int i, j; total = le32_to_cpu(raw_super->segment_count); @@ -3115,6 +3116,13 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi) return 1; } + sit_blk_cnt = DIV_ROUND_UP(main_segs, SIT_ENTRY_PER_BLOCK); + if (sit_bitmap_size * 8 < sit_blk_cnt) { + f2fs_err(sbi, "Wrong bitmap size: sit: %u, sit_blk_cnt:%u", + sit_bitmap_size, sit_blk_cnt); + return 1; + } + cp_pack_start_sum = __start_sum_addr(sbi); cp_payload = __cp_payload(sbi); if (cp_pack_start_sum < cp_payload + 1 || diff --git a/fs/jffs2/summary.c b/fs/jffs2/summary.c index 4fe64519870f1ac0845d771618607d0ce53335e8..d83372d3e1a07b0324be755f5ef46d6f08a2ce20 100644 --- a/fs/jffs2/summary.c +++ b/fs/jffs2/summary.c @@ -858,7 +858,10 @@ int jffs2_sum_write_sumnode(struct jffs2_sb_info *c) spin_unlock(&c->erase_completion_lock); jeb = c->nextblock; - jffs2_prealloc_raw_node_refs(c, jeb, 1); + ret = jffs2_prealloc_raw_node_refs(c, jeb, 1); + + if (ret) + goto out; if (!c->summary->sum_num || !c->summary->sum_list_head) { JFFS2_WARNING("Empty summary info!!!\n"); @@ -872,6 +875,8 @@ int jffs2_sum_write_sumnode(struct jffs2_sb_info *c) datasize += padsize; ret = jffs2_sum_write_data(c, jeb, infosize, datasize, padsize); + +out: spin_lock(&c->erase_completion_lock); return ret; } diff --git a/include/linux/hid.h b/include/linux/hid.h index 9e306bf9959df65b9a7504d663d5f0c186e7b9a0..03627c96d81457392129433e4f6bd19d4bd1bd39 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -674,8 +674,9 @@ struct hid_descriptor { __le16 bcdHID; __u8 bCountryCode; __u8 bNumDescriptors; + struct hid_class_descriptor rpt_desc; - struct hid_class_descriptor desc[1]; + struct hid_class_descriptor opt_descs[]; } __attribute__ ((packed)); #define HID_DEVICE(b, g, ven, prod) \ diff --git a/include/linux/lzo.h b/include/linux/lzo.h index e95c7d1092b28616bfd4aea617d0ff34434d7e2b..4d30e3624acd237290dbfeaefdb9c710e4f85f56 100644 --- a/include/linux/lzo.h +++ b/include/linux/lzo.h @@ -24,10 +24,18 @@ int lzo1x_1_compress(const unsigned char *src, size_t src_len, unsigned char *dst, size_t *dst_len, void *wrkmem); +/* Same as above but does not write more than dst_len to dst. */ +int lzo1x_1_compress_safe(const unsigned char *src, size_t src_len, + unsigned char *dst, size_t *dst_len, void *wrkmem); + /* This requires 'wrkmem' of size LZO1X_1_MEM_COMPRESS */ int lzorle1x_1_compress(const unsigned char *src, size_t src_len, unsigned char *dst, size_t *dst_len, void *wrkmem); +/* Same as above but does not write more than dst_len to dst. */ +int lzorle1x_1_compress_safe(const unsigned char *src, size_t src_len, + unsigned char *dst, size_t *dst_len, void *wrkmem); + /* safe decompression with overrun testing */ int lzo1x_decompress_safe(const unsigned char *src, size_t src_len, unsigned char *dst, size_t *dst_len); diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 33873266b2bc7cb2bad783390b215ee9b2a80576..dcaf6789aa55f88ddbd1c16a2ef2e02eb0bbc5a0 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -503,6 +503,7 @@ struct hci_dev { struct hci_conn_hash conn_hash; + struct mutex mgmt_pending_lock; struct list_head mgmt_pending; struct list_head reject_list; struct list_head accept_list; diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 7865db2f827e6380b972b234bdb09118d79f1b6c..31d2afcf79b1473179a0727cb14b2f591883c3cc 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -200,7 +200,6 @@ struct xfrm_state { /* Data for encapsulator */ struct xfrm_encap_tmpl *encap; - struct sock __rcu *encap_sk; /* Data for care-of address */ xfrm_address_t *coaddr; diff --git a/ipc/shm.c b/ipc/shm.c index b418731d66e88e52f1825ddf0f4032b62c1afc9e..323a5810a947069b003be79fa7ca098b673dff3c 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -417,8 +417,11 @@ static int shm_try_destroy_orphaned(int id, void *p, void *data) void shm_destroy_orphaned(struct ipc_namespace *ns) { down_write(&shm_ids(ns).rwsem); - if (shm_ids(ns).in_use) + if (shm_ids(ns).in_use) { + rcu_read_lock(); idr_for_each(&shm_ids(ns).ipcs_idr, &shm_try_destroy_orphaned, ns); + rcu_read_unlock(); + } up_write(&shm_ids(ns).rwsem); } diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index f063ab2058d2b3be898d901d21806b5889c4882a..b9b44397e660630a76463935c64f4d4c52f7a1b6 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -4921,6 +4921,9 @@ static int check_func_arg(struct bpf_verifier_env *env, u32 arg, return -EACCES; } meta->mem_size = reg->var_off.value; + err = mark_chain_precision(env, regno); + if (err) + return err; } else if (arg_type_is_int_ptr(arg_type)) { int size = int_ptr_type_to_size(arg_type); diff --git a/kernel/module.c b/kernel/module.c index 0dac54adf7e85dc09276a1fb440cb78662125f37..f4fd4906bdeb3aa8a281a7de559a4ea9ec670877 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -3048,6 +3048,10 @@ static int elf_validity_check(struct load_info *info) * strings in the section safe. */ info->secstrings = (void *)info->hdr + strhdr->sh_offset; + if (strhdr->sh_size == 0) { + pr_err("empty section name table\n"); + return -ENOEXEC; + } if (info->secstrings[strhdr->sh_size - 1] != '\0') return -ENOEXEC; diff --git a/lib/lzo/Makefile b/lib/lzo/Makefile index 2f58fafbbdddc09ce803d92c504b580661e53bc6..fc7b2b7ef4b20ee7719a7efc0518387f82f11c3f 100644 --- a/lib/lzo/Makefile +++ b/lib/lzo/Makefile @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0-only -lzo_compress-objs := lzo1x_compress.o +lzo_compress-objs := lzo1x_compress.o lzo1x_compress_safe.o lzo_decompress-objs := lzo1x_decompress_safe.o obj-$(CONFIG_LZO_COMPRESS) += lzo_compress.o diff --git a/lib/lzo/lzo1x_compress.c b/lib/lzo/lzo1x_compress.c index 8ad5ba2b86e2da84caecbcf2bd6d0a118e0499b9..469c143f7585244af19ee85ee3168db2c1950010 100644 --- a/lib/lzo/lzo1x_compress.c +++ b/lib/lzo/lzo1x_compress.c @@ -18,11 +18,22 @@ #include #include "lzodefs.h" -static noinline size_t -lzo1x_1_do_compress(const unsigned char *in, size_t in_len, - unsigned char *out, size_t *out_len, - size_t ti, void *wrkmem, signed char *state_offset, - const unsigned char bitstream_version) +#undef LZO_UNSAFE + +#ifndef LZO_SAFE +#define LZO_UNSAFE 1 +#define LZO_SAFE(name) name +#define HAVE_OP(x) 1 +#endif + +#define NEED_OP(x) if (!HAVE_OP(x)) goto output_overrun + +static noinline int +LZO_SAFE(lzo1x_1_do_compress)(const unsigned char *in, size_t in_len, + unsigned char **out, unsigned char *op_end, + size_t *tp, void *wrkmem, + signed char *state_offset, + const unsigned char bitstream_version) { const unsigned char *ip; unsigned char *op; @@ -30,8 +41,9 @@ lzo1x_1_do_compress(const unsigned char *in, size_t in_len, const unsigned char * const ip_end = in + in_len - 20; const unsigned char *ii; lzo_dict_t * const dict = (lzo_dict_t *) wrkmem; + size_t ti = *tp; - op = out; + op = *out; ip = in; ii = ip; ip += ti < 4 ? 4 - ti : 0; @@ -118,25 +130,32 @@ lzo1x_1_do_compress(const unsigned char *in, size_t in_len, if (t != 0) { if (t <= 3) { op[*state_offset] |= t; + NEED_OP(4); COPY4(op, ii); op += t; } else if (t <= 16) { + NEED_OP(17); *op++ = (t - 3); COPY8(op, ii); COPY8(op + 8, ii + 8); op += t; } else { if (t <= 18) { + NEED_OP(1); *op++ = (t - 3); } else { size_t tt = t - 18; + NEED_OP(1); *op++ = 0; while (unlikely(tt > 255)) { tt -= 255; + NEED_OP(1); *op++ = 0; } + NEED_OP(1); *op++ = tt; } + NEED_OP(t); do { COPY8(op, ii); COPY8(op + 8, ii + 8); @@ -153,6 +172,7 @@ lzo1x_1_do_compress(const unsigned char *in, size_t in_len, if (unlikely(run_length)) { ip += run_length; run_length -= MIN_ZERO_RUN_LENGTH; + NEED_OP(4); put_unaligned_le32((run_length << 21) | 0xfffc18 | (run_length & 0x7), op); op += 4; @@ -245,10 +265,12 @@ lzo1x_1_do_compress(const unsigned char *in, size_t in_len, ip += m_len; if (m_len <= M2_MAX_LEN && m_off <= M2_MAX_OFFSET) { m_off -= 1; + NEED_OP(2); *op++ = (((m_len - 1) << 5) | ((m_off & 7) << 2)); *op++ = (m_off >> 3); } else if (m_off <= M3_MAX_OFFSET) { m_off -= 1; + NEED_OP(1); if (m_len <= M3_MAX_LEN) *op++ = (M3_MARKER | (m_len - 2)); else { @@ -256,14 +278,18 @@ lzo1x_1_do_compress(const unsigned char *in, size_t in_len, *op++ = M3_MARKER | 0; while (unlikely(m_len > 255)) { m_len -= 255; + NEED_OP(1); *op++ = 0; } + NEED_OP(1); *op++ = (m_len); } + NEED_OP(2); *op++ = (m_off << 2); *op++ = (m_off >> 6); } else { m_off -= 0x4000; + NEED_OP(1); if (m_len <= M4_MAX_LEN) *op++ = (M4_MARKER | ((m_off >> 11) & 8) | (m_len - 2)); @@ -284,11 +310,14 @@ lzo1x_1_do_compress(const unsigned char *in, size_t in_len, m_len -= M4_MAX_LEN; *op++ = (M4_MARKER | ((m_off >> 11) & 8)); while (unlikely(m_len > 255)) { + NEED_OP(1); m_len -= 255; *op++ = 0; } + NEED_OP(1); *op++ = (m_len); } + NEED_OP(2); *op++ = (m_off << 2); *op++ = (m_off >> 6); } @@ -297,14 +326,20 @@ lzo1x_1_do_compress(const unsigned char *in, size_t in_len, ii = ip; goto next; } - *out_len = op - out; - return in_end - (ii - ti); + *out = op; + *tp = in_end - (ii - ti); + return LZO_E_OK; + +output_overrun: + return LZO_E_OUTPUT_OVERRUN; } -int lzogeneric1x_1_compress(const unsigned char *in, size_t in_len, - unsigned char *out, size_t *out_len, - void *wrkmem, const unsigned char bitstream_version) +static int LZO_SAFE(lzogeneric1x_1_compress)( + const unsigned char *in, size_t in_len, + unsigned char *out, size_t *out_len, + void *wrkmem, const unsigned char bitstream_version) { + unsigned char * const op_end = out + *out_len; const unsigned char *ip = in; unsigned char *op = out; unsigned char *data_start; @@ -328,14 +363,18 @@ int lzogeneric1x_1_compress(const unsigned char *in, size_t in_len, while (l > 20) { size_t ll = l <= (m4_max_offset + 1) ? l : (m4_max_offset + 1); uintptr_t ll_end = (uintptr_t) ip + ll; + int err; + if ((ll_end + ((t + ll) >> 5)) <= ll_end) break; BUILD_BUG_ON(D_SIZE * sizeof(lzo_dict_t) > LZO1X_1_MEM_COMPRESS); memset(wrkmem, 0, D_SIZE * sizeof(lzo_dict_t)); - t = lzo1x_1_do_compress(ip, ll, op, out_len, t, wrkmem, - &state_offset, bitstream_version); + err = LZO_SAFE(lzo1x_1_do_compress)( + ip, ll, &op, op_end, &t, wrkmem, + &state_offset, bitstream_version); + if (err != LZO_E_OK) + return err; ip += ll; - op += *out_len; l -= ll; } t += l; @@ -344,20 +383,26 @@ int lzogeneric1x_1_compress(const unsigned char *in, size_t in_len, const unsigned char *ii = in + in_len - t; if (op == data_start && t <= 238) { + NEED_OP(1); *op++ = (17 + t); } else if (t <= 3) { op[state_offset] |= t; } else if (t <= 18) { + NEED_OP(1); *op++ = (t - 3); } else { size_t tt = t - 18; + NEED_OP(1); *op++ = 0; while (tt > 255) { tt -= 255; + NEED_OP(1); *op++ = 0; } + NEED_OP(1); *op++ = tt; } + NEED_OP(t); if (t >= 16) do { COPY8(op, ii); COPY8(op + 8, ii + 8); @@ -370,31 +415,38 @@ int lzogeneric1x_1_compress(const unsigned char *in, size_t in_len, } while (--t > 0); } + NEED_OP(3); *op++ = M4_MARKER | 1; *op++ = 0; *op++ = 0; *out_len = op - out; return LZO_E_OK; + +output_overrun: + return LZO_E_OUTPUT_OVERRUN; } -int lzo1x_1_compress(const unsigned char *in, size_t in_len, - unsigned char *out, size_t *out_len, - void *wrkmem) +int LZO_SAFE(lzo1x_1_compress)(const unsigned char *in, size_t in_len, + unsigned char *out, size_t *out_len, + void *wrkmem) { - return lzogeneric1x_1_compress(in, in_len, out, out_len, wrkmem, 0); + return LZO_SAFE(lzogeneric1x_1_compress)( + in, in_len, out, out_len, wrkmem, 0); } -int lzorle1x_1_compress(const unsigned char *in, size_t in_len, - unsigned char *out, size_t *out_len, - void *wrkmem) +int LZO_SAFE(lzorle1x_1_compress)(const unsigned char *in, size_t in_len, + unsigned char *out, size_t *out_len, + void *wrkmem) { - return lzogeneric1x_1_compress(in, in_len, out, out_len, - wrkmem, LZO_VERSION); + return LZO_SAFE(lzogeneric1x_1_compress)( + in, in_len, out, out_len, wrkmem, LZO_VERSION); } -EXPORT_SYMBOL_GPL(lzo1x_1_compress); -EXPORT_SYMBOL_GPL(lzorle1x_1_compress); +EXPORT_SYMBOL_GPL(LZO_SAFE(lzo1x_1_compress)); +EXPORT_SYMBOL_GPL(LZO_SAFE(lzorle1x_1_compress)); +#ifndef LZO_UNSAFE MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("LZO1X-1 Compressor"); +#endif diff --git a/lib/lzo/lzo1x_compress_safe.c b/lib/lzo/lzo1x_compress_safe.c new file mode 100644 index 0000000000000000000000000000000000000000..371c9f849492814afed88a443acb2262dcf35dfe --- /dev/null +++ b/lib/lzo/lzo1x_compress_safe.c @@ -0,0 +1,18 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * LZO1X Compressor from LZO + * + * Copyright (C) 1996-2012 Markus F.X.J. Oberhumer + * + * The full LZO package can be found at: + * http://www.oberhumer.com/opensource/lzo/ + * + * Changed for Linux kernel use by: + * Nitin Gupta + * Richard Purdie + */ + +#define LZO_SAFE(name) name##_safe +#define HAVE_OP(x) ((size_t)(op_end - op) >= (size_t)(x)) + +#include "lzo1x_compress.c" diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 8e1dddb78fb20350233caff59a3160f9a2724a57..c2c47a0305ebd9af69be04c14e5942473cd96851 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -3657,6 +3657,7 @@ struct hci_dev *hci_alloc_dev(void) mutex_init(&hdev->lock); mutex_init(&hdev->req_lock); + mutex_init(&hdev->mgmt_pending_lock); INIT_LIST_HEAD(&hdev->mgmt_pending); INIT_LIST_HEAD(&hdev->reject_list); diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index bd8cfcfca7aef62b5dde403e3ef9233805087b3a..51236a5991449a7515b9562de74ecd2b4d06ad37 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -1276,22 +1276,17 @@ static void settings_rsp(struct mgmt_pending_cmd *cmd, void *data) send_settings_rsp(cmd->sk, cmd->opcode, match->hdev); - list_del(&cmd->list); - if (match->sk == NULL) { match->sk = cmd->sk; sock_hold(match->sk); } - - mgmt_pending_free(cmd); } static void cmd_status_rsp(struct mgmt_pending_cmd *cmd, void *data) { u8 *status = data; - mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, *status); - mgmt_pending_remove(cmd); + mgmt_cmd_status(cmd->sk, cmd->hdev->id, cmd->opcode, *status); } static void cmd_complete_rsp(struct mgmt_pending_cmd *cmd, void *data) @@ -1300,8 +1295,6 @@ static void cmd_complete_rsp(struct mgmt_pending_cmd *cmd, void *data) u8 *status = data; cmd->cmd_complete(cmd, *status); - mgmt_pending_remove(cmd); - return; } @@ -1310,13 +1303,13 @@ static void cmd_complete_rsp(struct mgmt_pending_cmd *cmd, void *data) static int generic_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status) { - return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, + return mgmt_cmd_complete(cmd->sk, cmd->hdev->id, cmd->opcode, status, cmd->param, cmd->param_len); } static int addr_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status) { - return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, + return mgmt_cmd_complete(cmd->sk, cmd->hdev->id, cmd->opcode, status, cmd->param, sizeof(struct mgmt_addr_info)); } @@ -1354,7 +1347,7 @@ void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status) if (status) { u8 mgmt_err = mgmt_status(status); - mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); + mgmt_cmd_status(cmd->sk, cmd->hdev->id, cmd->opcode, mgmt_err); hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE); goto remove_cmd; } @@ -1519,7 +1512,7 @@ void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status) if (status) { u8 mgmt_err = mgmt_status(status); - mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); + mgmt_cmd_status(cmd->sk, cmd->hdev->id, cmd->opcode, mgmt_err); goto remove_cmd; } @@ -1882,12 +1875,12 @@ static void le_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode) if (status) { u8 mgmt_err = mgmt_status(status); - mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp, + mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, true, cmd_status_rsp, &mgmt_err); goto unlock; } - mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match); + mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, true, settings_rsp, &match); new_settings(hdev, match.sk); @@ -2079,7 +2072,7 @@ static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status) if (!cmd) goto unlock; - mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, + mgmt_cmd_complete(cmd->sk, cmd->hdev->id, cmd->opcode, mgmt_status(status), hdev->dev_class, 3); mgmt_pending_remove(cmd); @@ -2833,7 +2826,7 @@ static int pairing_complete(struct mgmt_pending_cmd *cmd, u8 status) bacpy(&rp.addr.bdaddr, &conn->dst); rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type); - err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, + err = mgmt_cmd_complete(cmd->sk, cmd->hdev->id, MGMT_OP_PAIR_DEVICE, status, &rp, sizeof(rp)); /* So we don't get further callbacks for this connection */ @@ -4752,7 +4745,7 @@ static int start_limited_discovery(struct sock *sk, struct hci_dev *hdev, static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status) { - return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, + return mgmt_cmd_complete(cmd->sk, cmd->hdev->id, cmd->opcode, status, cmd->param, 1); } @@ -5091,7 +5084,7 @@ static void set_advertising_complete(struct hci_dev *hdev, u8 status, if (status) { u8 mgmt_err = mgmt_status(status); - mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, + mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, true, cmd_status_rsp, &mgmt_err); goto unlock; } @@ -5101,7 +5094,7 @@ static void set_advertising_complete(struct hci_dev *hdev, u8 status, else hci_dev_clear_flag(hdev, HCI_ADVERTISING); - mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp, + mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, true, settings_rsp, &match); new_settings(hdev, match.sk); @@ -5490,7 +5483,7 @@ static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode) */ hci_dev_clear_flag(hdev, HCI_BREDR_ENABLED); - mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); + mgmt_cmd_status(cmd->sk, cmd->hdev->id, cmd->opcode, mgmt_err); } else { send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev); new_settings(hdev, cmd->sk); @@ -5628,7 +5621,7 @@ static void sc_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode) goto unlock; if (status) { - mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, + mgmt_cmd_status(cmd->sk, cmd->hdev->id, cmd->opcode, mgmt_status(status)); goto remove; } @@ -6081,7 +6074,7 @@ static int conn_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status) rp.max_tx_power = HCI_TX_POWER_INVALID; } - err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO, + err = mgmt_cmd_complete(cmd->sk, cmd->hdev->id, MGMT_OP_GET_CONN_INFO, status, &rp, sizeof(rp)); hci_conn_drop(conn); @@ -6278,7 +6271,7 @@ static int clock_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status) if (status) goto complete; - hdev = hci_dev_get(cmd->index); + hdev = hci_dev_get(cmd->hdev->id); if (hdev) { rp.local_clock = cpu_to_le32(hdev->clock); hci_dev_put(hdev); @@ -6290,7 +6283,7 @@ static int clock_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status) } complete: - err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp, + err = mgmt_cmd_complete(cmd->sk, cmd->hdev->id, cmd->opcode, status, &rp, sizeof(rp)); if (conn) { @@ -7436,10 +7429,10 @@ static void add_advertising_complete(struct hci_dev *hdev, u8 status, rp.instance = cp->instance; if (status) - mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, + mgmt_cmd_status(cmd->sk, cmd->hdev->id, cmd->opcode, mgmt_status(status)); else - mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, + mgmt_cmd_complete(cmd->sk, cmd->hdev->id, cmd->opcode, mgmt_status(status), &rp, sizeof(rp)); mgmt_pending_remove(cmd); @@ -7623,7 +7616,7 @@ static void remove_advertising_complete(struct hci_dev *hdev, u8 status, cp = cmd->param; rp.instance = cp->instance; - mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, MGMT_STATUS_SUCCESS, + mgmt_cmd_complete(cmd->sk, cmd->hdev->id, cmd->opcode, MGMT_STATUS_SUCCESS, &rp, sizeof(rp)); mgmt_pending_remove(cmd); @@ -7919,7 +7912,7 @@ void mgmt_index_removed(struct hci_dev *hdev) switch (hdev->dev_type) { case HCI_PRIMARY: - mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status); + mgmt_pending_foreach(0, hdev, true, cmd_complete_rsp, &status); if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) { mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev, @@ -7982,7 +7975,8 @@ void mgmt_power_on(struct hci_dev *hdev, int err) hci_update_background_scan(hdev); } - mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); + mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, true, settings_rsp, + &match); new_settings(hdev, match.sk); @@ -7997,7 +7991,8 @@ void __mgmt_power_off(struct hci_dev *hdev) struct cmd_lookup match = { NULL, hdev }; u8 status, zero_cod[] = { 0, 0, 0 }; - mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); + mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, true, settings_rsp, + &match); /* If the power off is because of hdev unregistration let * use the appropriate INVALID_INDEX status. Otherwise use @@ -8011,7 +8006,7 @@ void __mgmt_power_off(struct hci_dev *hdev) else status = MGMT_STATUS_NOT_POWERED; - mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status); + mgmt_pending_foreach(0, hdev, true, cmd_complete_rsp, &status); if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0) { mgmt_limited_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, @@ -8248,7 +8243,6 @@ static void unpair_device_rsp(struct mgmt_pending_cmd *cmd, void *data) device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk); cmd->cmd_complete(cmd, 0); - mgmt_pending_remove(cmd); } bool mgmt_powering_down(struct hci_dev *hdev) @@ -8288,7 +8282,7 @@ void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, if (link_type != ACL_LINK && link_type != LE_LINK) return; - mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk); + mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, true, disconnect_rsp, &sk); bacpy(&ev.addr.bdaddr, bdaddr); ev.addr.type = link_to_bdaddr(link_type, addr_type); @@ -8303,7 +8297,7 @@ void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, if (sk) sock_put(sk); - mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, + mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, true, unpair_device_rsp, hdev); } @@ -8314,8 +8308,8 @@ void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, struct mgmt_cp_disconnect *cp; struct mgmt_pending_cmd *cmd; - mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, - hdev); + mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, true, + unpair_device_rsp, hdev); cmd = pending_find(MGMT_OP_DISCONNECT, hdev); if (!cmd) @@ -8511,7 +8505,7 @@ void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status) if (status) { u8 mgmt_err = mgmt_status(status); - mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, + mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, true, cmd_status_rsp, &mgmt_err); return; } @@ -8521,8 +8515,8 @@ void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status) else changed = hci_dev_test_and_clear_flag(hdev, HCI_LINK_SECURITY); - mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp, - &match); + mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, true, + settings_rsp, &match); if (changed) new_settings(hdev, match.sk); @@ -8561,8 +8555,8 @@ void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status) new_settings(hdev, NULL); } - mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp, - &mgmt_err); + mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, true, + cmd_status_rsp, &mgmt_err); return; } @@ -8577,7 +8571,7 @@ void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status) hci_dev_clear_flag(hdev, HCI_HS_ENABLED); } - mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match); + mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, true, settings_rsp, &match); if (changed) new_settings(hdev, match.sk); @@ -8614,9 +8608,12 @@ void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, { struct cmd_lookup match = { NULL, hdev, mgmt_status(status) }; - mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match); - mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match); - mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match); + mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, false, sk_lookup, + &match); + mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, false, sk_lookup, + &match); + mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, false, sk_lookup, + &match); if (!status) { mgmt_limited_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, diff --git a/net/bluetooth/mgmt_util.c b/net/bluetooth/mgmt_util.c index 0d0a6d77b9e8543a5c8d4ba58903cadafaaccb10..cab19de2a2c4b492d6542a3efcf500955cdf7219 100644 --- a/net/bluetooth/mgmt_util.c +++ b/net/bluetooth/mgmt_util.c @@ -184,15 +184,22 @@ int mgmt_cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status, struct mgmt_pending_cmd *mgmt_pending_find(unsigned short channel, u16 opcode, struct hci_dev *hdev) { - struct mgmt_pending_cmd *cmd; + struct mgmt_pending_cmd *cmd, *tmp; - list_for_each_entry(cmd, &hdev->mgmt_pending, list) { + mutex_lock(&hdev->mgmt_pending_lock); + + list_for_each_entry_safe(cmd, tmp, &hdev->mgmt_pending, list) { if (hci_sock_get_channel(cmd->sk) != channel) continue; - if (cmd->opcode == opcode) + + if (cmd->opcode == opcode) { + mutex_unlock(&hdev->mgmt_pending_lock); return cmd; + } } + mutex_unlock(&hdev->mgmt_pending_lock); + return NULL; } @@ -213,18 +220,28 @@ struct mgmt_pending_cmd *mgmt_pending_find_data(unsigned short channel, return NULL; } -void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev, +void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev, bool remove, void (*cb)(struct mgmt_pending_cmd *cmd, void *data), void *data) { struct mgmt_pending_cmd *cmd, *tmp; + mutex_lock(&hdev->mgmt_pending_lock); + list_for_each_entry_safe(cmd, tmp, &hdev->mgmt_pending, list) { if (opcode > 0 && cmd->opcode != opcode) continue; + if (remove) + list_del(&cmd->list); + cb(cmd, data); + + if (remove) + mgmt_pending_free(cmd); } + + mutex_unlock(&hdev->mgmt_pending_lock); } struct mgmt_pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode, @@ -238,7 +255,7 @@ struct mgmt_pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode, return NULL; cmd->opcode = opcode; - cmd->index = hdev->id; + cmd->hdev = hdev; cmd->param = kmemdup(data, len, GFP_KERNEL); if (!cmd->param) { @@ -251,7 +268,9 @@ struct mgmt_pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode, cmd->sk = sk; sock_hold(sk); + mutex_lock(&hdev->mgmt_pending_lock); list_add(&cmd->list, &hdev->mgmt_pending); + mutex_unlock(&hdev->mgmt_pending_lock); return cmd; } @@ -265,6 +284,9 @@ void mgmt_pending_free(struct mgmt_pending_cmd *cmd) void mgmt_pending_remove(struct mgmt_pending_cmd *cmd) { + mutex_lock(&cmd->hdev->mgmt_pending_lock); list_del(&cmd->list); + mutex_unlock(&cmd->hdev->mgmt_pending_lock); + mgmt_pending_free(cmd); } diff --git a/net/bluetooth/mgmt_util.h b/net/bluetooth/mgmt_util.h index 6559f189213c8b27140bb123fefe1f3a4250c80c..811aa7c810a00d8ab22f0e5664d2199baab4a743 100644 --- a/net/bluetooth/mgmt_util.h +++ b/net/bluetooth/mgmt_util.h @@ -23,7 +23,7 @@ struct mgmt_pending_cmd { struct list_head list; u16 opcode; - int index; + struct hci_dev *hdev; void *param; size_t param_len; struct sock *sk; @@ -43,7 +43,7 @@ struct mgmt_pending_cmd *mgmt_pending_find_data(unsigned short channel, u16 opcode, struct hci_dev *hdev, const void *data); -void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev, +void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev, bool remove, void (*cb)(struct mgmt_pending_cmd *cmd, void *data), void *data); struct mgmt_pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode, diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c index 5e716ee4db834838b818332841fcbfa378b921c6..30dfe2424af4f85333bc989b46ad824f1b9da5dc 100644 --- a/net/ipv4/esp4.c +++ b/net/ipv4/esp4.c @@ -120,46 +120,15 @@ static void esp_ssg_unref(struct xfrm_state *x, void *tmp) } #ifdef CONFIG_INET_ESPINTCP -struct esp_tcp_sk { - struct sock *sk; - struct rcu_head rcu; -}; - -static void esp_free_tcp_sk(struct rcu_head *head) -{ - struct esp_tcp_sk *esk = container_of(head, struct esp_tcp_sk, rcu); - - sock_put(esk->sk); - kfree(esk); -} - static struct sock *esp_find_tcp_sk(struct xfrm_state *x) { struct xfrm_encap_tmpl *encap = x->encap; - struct esp_tcp_sk *esk; __be16 sport, dport; - struct sock *nsk; struct sock *sk; - sk = rcu_dereference(x->encap_sk); - if (sk && sk->sk_state == TCP_ESTABLISHED) - return sk; - spin_lock_bh(&x->lock); sport = encap->encap_sport; dport = encap->encap_dport; - nsk = rcu_dereference_protected(x->encap_sk, - lockdep_is_held(&x->lock)); - if (sk && sk == nsk) { - esk = kmalloc(sizeof(*esk), GFP_ATOMIC); - if (!esk) { - spin_unlock_bh(&x->lock); - return ERR_PTR(-ENOMEM); - } - RCU_INIT_POINTER(x->encap_sk, NULL); - esk->sk = sk; - call_rcu(&esk->rcu, esp_free_tcp_sk); - } spin_unlock_bh(&x->lock); sk = inet_lookup_established(xs_net(x), &tcp_hashinfo, x->id.daddr.a4, @@ -172,20 +141,6 @@ static struct sock *esp_find_tcp_sk(struct xfrm_state *x) return ERR_PTR(-EINVAL); } - spin_lock_bh(&x->lock); - nsk = rcu_dereference_protected(x->encap_sk, - lockdep_is_held(&x->lock)); - if (encap->encap_sport != sport || - encap->encap_dport != dport) { - sock_put(sk); - sk = nsk ?: ERR_PTR(-EREMCHG); - } else if (sk == nsk) { - sock_put(sk); - } else { - rcu_assign_pointer(x->encap_sk, sk); - } - spin_unlock_bh(&x->lock); - return sk; } @@ -210,6 +165,8 @@ static int esp_output_tcp_finish(struct xfrm_state *x, struct sk_buff *skb) err = espintcp_push_skb(sk, skb); bh_unlock_sock(sk); + sock_put(sk); + out: rcu_read_unlock(); return err; @@ -395,6 +352,8 @@ static struct ip_esp_hdr *esp_output_tcp_encap(struct xfrm_state *x, if (IS_ERR(sk)) return ERR_CAST(sk); + sock_put(sk); + *lenp = htons(len); esph = (struct ip_esp_hdr *)(lenp + 1); diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index 99b22e708343b32f9e9871a106bfa6758af7e70d..7832967d93ea13b2e30ef33ecc9b750c1e0d404d 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -10,6 +10,7 @@ #include #include #include +#include static struct sk_buff *__skb_udp_tunnel_segment(struct sk_buff *skb, netdev_features_t features, @@ -268,9 +269,32 @@ struct sk_buff *__udp_gso_segment(struct sk_buff *gso_skb, bool copy_dtor; __sum16 check; __be16 newlen; + int ret = 0; - if (skb_shinfo(gso_skb)->gso_type & SKB_GSO_FRAGLIST) - return __udp_gso_segment_list(gso_skb, features, is_ipv6); + if (skb_shinfo(gso_skb)->gso_type & SKB_GSO_FRAGLIST) { + /* Detect modified geometry and pass those to skb_segment. */ + if (skb_pagelen(gso_skb) - sizeof(*uh) == skb_shinfo(gso_skb)->gso_size) + return __udp_gso_segment_list(gso_skb, features, is_ipv6); + + ret = __skb_linearize(gso_skb); + if (ret) + return ERR_PTR(ret); + + /* Setup csum, as fraglist skips this in udp4_gro_receive. */ + gso_skb->csum_start = skb_transport_header(gso_skb) - gso_skb->head; + gso_skb->csum_offset = offsetof(struct udphdr, check); + gso_skb->ip_summed = CHECKSUM_PARTIAL; + + uh = udp_hdr(gso_skb); + if (is_ipv6) + uh->check = ~udp_v6_check(gso_skb->len, + &ipv6_hdr(gso_skb)->saddr, + &ipv6_hdr(gso_skb)->daddr, 0); + else + uh->check = ~udp_v4_check(gso_skb->len, + ip_hdr(gso_skb)->saddr, + ip_hdr(gso_skb)->daddr, 0); + } mss = skb_shinfo(gso_skb)->gso_size; if (gso_skb->len <= sizeof(*uh) + mss) diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c index 5382beac4e3c20529774dca1f8d0fd2bdfbfd7c5..11680203c785bf9fc94347afbe518d1fc804e5da 100644 --- a/net/ipv6/esp6.c +++ b/net/ipv6/esp6.c @@ -136,46 +136,15 @@ static void esp_ssg_unref(struct xfrm_state *x, void *tmp) } #ifdef CONFIG_INET6_ESPINTCP -struct esp_tcp_sk { - struct sock *sk; - struct rcu_head rcu; -}; - -static void esp_free_tcp_sk(struct rcu_head *head) -{ - struct esp_tcp_sk *esk = container_of(head, struct esp_tcp_sk, rcu); - - sock_put(esk->sk); - kfree(esk); -} - static struct sock *esp6_find_tcp_sk(struct xfrm_state *x) { struct xfrm_encap_tmpl *encap = x->encap; - struct esp_tcp_sk *esk; __be16 sport, dport; - struct sock *nsk; struct sock *sk; - sk = rcu_dereference(x->encap_sk); - if (sk && sk->sk_state == TCP_ESTABLISHED) - return sk; - spin_lock_bh(&x->lock); sport = encap->encap_sport; dport = encap->encap_dport; - nsk = rcu_dereference_protected(x->encap_sk, - lockdep_is_held(&x->lock)); - if (sk && sk == nsk) { - esk = kmalloc(sizeof(*esk), GFP_ATOMIC); - if (!esk) { - spin_unlock_bh(&x->lock); - return ERR_PTR(-ENOMEM); - } - RCU_INIT_POINTER(x->encap_sk, NULL); - esk->sk = sk; - call_rcu(&esk->rcu, esp_free_tcp_sk); - } spin_unlock_bh(&x->lock); sk = __inet6_lookup_established(xs_net(x), &tcp_hashinfo, &x->id.daddr.in6, @@ -188,20 +157,6 @@ static struct sock *esp6_find_tcp_sk(struct xfrm_state *x) return ERR_PTR(-EINVAL); } - spin_lock_bh(&x->lock); - nsk = rcu_dereference_protected(x->encap_sk, - lockdep_is_held(&x->lock)); - if (encap->encap_sport != sport || - encap->encap_dport != dport) { - sock_put(sk); - sk = nsk ?: ERR_PTR(-EREMCHG); - } else if (sk == nsk) { - sock_put(sk); - } else { - rcu_assign_pointer(x->encap_sk, sk); - } - spin_unlock_bh(&x->lock); - return sk; } @@ -226,6 +181,8 @@ static int esp_output_tcp_finish(struct xfrm_state *x, struct sk_buff *skb) err = espintcp_push_skb(sk, skb); bh_unlock_sock(sk); + sock_put(sk); + out: rcu_read_unlock(); return err; @@ -430,6 +387,8 @@ static struct ip_esp_hdr *esp6_output_tcp_encap(struct xfrm_state *x, if (IS_ERR(sk)) return ERR_CAST(sk); + sock_put(sk); + *lenp = htons(len); esph = (struct ip_esp_hdr *)(lenp + 1); diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c index 96059c99b915eae2d3f2a2cafd943e352f5edce2..2e9344b3c657c47d902b970a3505b73abd2821b0 100644 --- a/net/netlabel/netlabel_kapi.c +++ b/net/netlabel/netlabel_kapi.c @@ -1140,6 +1140,9 @@ int netlbl_conn_setattr(struct sock *sk, break; #if IS_ENABLED(CONFIG_IPV6) case AF_INET6: + if (sk->sk_family != AF_INET6) + return -EAFNOSUPPORT; + addr6 = (struct sockaddr_in6 *)addr; entry = netlbl_domhsh_getentry_af6(secattr->domain, &addr6->sin6_addr); diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index 21e940b619319908f92ecb1a4ce36e459e8dc2c7..1115269d17f323797120a642ebb262649fe03752 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -1027,9 +1027,13 @@ int tls_sw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size) num_async++; else if (ret == -ENOMEM) goto wait_for_memory; - else if (ctx->open_rec && ret == -ENOSPC) + else if (ctx->open_rec && ret == -ENOSPC) { + if (msg_pl->cork_bytes) { + ret = 0; + goto send_end; + } goto rollback_iter; - else if (ret != -EAGAIN) + } else if (ret != -EAGAIN) goto send_end; } continue; diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index ba73014805a4f23cccb956af4de3acf4aef9f1de..c4d424db2d64a3526d46d338fd3ce68aa356a792 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -669,9 +669,6 @@ int __xfrm_state_delete(struct xfrm_state *x) net->xfrm.state_num--; spin_unlock(&net->xfrm.xfrm_state_lock); - if (x->encap_sk) - sock_put(rcu_dereference_raw(x->encap_sk)); - xfrm_dev_state_delete(x); /* All xfrm_state objects are created by xfrm_state_alloc.