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🐞 Open [708] 🐞 Fixed [181] 🐞 Invalid [624] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
android-44 | KASAN: use-after-free Read in tcp_init_tso_segs | 1 | 1438d | 1395d | 0/2 | auto-closed as invalid on 2019/08/29 08:15 | |||
android-414 | KASAN: use-after-free Read in tcp_init_tso_segs | C | 1131 | 1234d | 1245d | 0/1 | public: reported C repro on 2019/09/10 11:54 |
IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready 8021q: adding VLAN 0 to HW filter on device batadv0 ================================================================== BUG: KASAN: use-after-free in tcp_skb_pcount include/net/tcp.h:911 [inline] BUG: KASAN: use-after-free in tcp_init_tso_segs+0x1ae/0x200 net/ipv4/tcp_output.c:1790 Read of size 2 at addr ffff888081814330 by task syz-executor314/6858 CPU: 0 PID: 6858 Comm: syz-executor314 Not tainted 4.14.145 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x197 lib/dump_stack.c:53 print_address_description.cold+0x7c/0x1dc mm/kasan/report.c:252 kasan_report_error mm/kasan/report.c:351 [inline] kasan_report mm/kasan/report.c:409 [inline] kasan_report.cold+0xa9/0x2af mm/kasan/report.c:393 __asan_report_load2_noabort+0x14/0x20 mm/kasan/report.c:428 tcp_skb_pcount include/net/tcp.h:911 [inline] tcp_init_tso_segs+0x1ae/0x200 net/ipv4/tcp_output.c:1790 tcp_write_xmit+0x15e/0x4960 net/ipv4/tcp_output.c:2330 __tcp_push_pending_frames+0xa6/0x260 net/ipv4/tcp_output.c:2563 tcp_send_fin+0x17e/0xc40 net/ipv4/tcp_output.c:3115 tcp_close+0xcc8/0xfb0 net/ipv4/tcp.c:2221 inet_release+0xec/0x1c0 net/ipv4/af_inet.c:425 __sock_release+0xce/0x2b0 net/socket.c:602 sock_close+0x1b/0x30 net/socket.c:1139 __fput+0x275/0x7a0 fs/file_table.c:210 ____fput+0x16/0x20 fs/file_table.c:244 task_work_run+0x114/0x190 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x7df/0x2c10 kernel/exit.c:874 do_group_exit+0x111/0x330 kernel/exit.c:977 SYSC_exit_group kernel/exit.c:988 [inline] SyS_exit_group+0x1d/0x20 kernel/exit.c:986 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x440618 RSP: 002b:00007ffca8db1a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000440618 RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00000000004c6970 R08: 00000000000000e7 R09: ffffffffffffffd0 R10: 0000000020000800 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000006d95e0 R14: 0000000000000000 R15: 0000000000000000 Allocated by task 6858: save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:59 save_stack+0x45/0xd0 mm/kasan/kasan.c:447 set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc mm/kasan/kasan.c:551 [inline] kasan_kmalloc+0xce/0xf0 mm/kasan/kasan.c:529 kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:489 kmem_cache_alloc_node+0x144/0x780 mm/slab.c:3642 __alloc_skb+0x9c/0x500 net/core/skbuff.c:193 alloc_skb_fclone include/linux/skbuff.h:1022 [inline] sk_stream_alloc_skb+0xb3/0x780 net/ipv4/tcp.c:855 tcp_sendmsg_locked+0xf61/0x3200 net/ipv4/tcp.c:1301 tcp_sendmsg+0x30/0x50 net/ipv4/tcp.c:1457 inet_sendmsg+0x122/0x500 net/ipv4/af_inet.c:762 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 SYSC_sendto+0x206/0x310 net/socket.c:1763 SyS_sendto+0x40/0x50 net/socket.c:1731 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 Freed by task 6858: save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:59 save_stack+0x45/0xd0 mm/kasan/kasan.c:447 set_track mm/kasan/kasan.c:459 [inline] kasan_slab_free+0x75/0xc0 mm/kasan/kasan.c:524 __cache_free mm/slab.c:3496 [inline] kmem_cache_free+0x83/0x2b0 mm/slab.c:3758 kfree_skbmem+0x8d/0x120 net/core/skbuff.c:607 __kfree_skb+0x1e/0x30 net/core/skbuff.c:646 sk_wmem_free_skb include/net/sock.h:1416 [inline] tcp_remove_empty_skb.part.0+0x231/0x2e0 net/ipv4/tcp.c:929 tcp_remove_empty_skb net/ipv4/tcp.c:925 [inline] tcp_sendmsg_locked+0x1ced/0x3200 net/ipv4/tcp.c:1435 tcp_sendmsg+0x30/0x50 net/ipv4/tcp.c:1457 inet_sendmsg+0x122/0x500 net/ipv4/af_inet.c:762 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 SYSC_sendto+0x206/0x310 net/socket.c:1763 SyS_sendto+0x40/0x50 net/socket.c:1731 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 The buggy address belongs to the object at ffff888081814300 which belongs to the cache skbuff_fclone_cache of size 472 The buggy address is located 48 bytes inside of 472-byte region [ffff888081814300, ffff8880818144d8) The buggy address belongs to the page: page:ffffea0002060500 count:1 mapcount:0 mapping:ffff888081814080 index:0x0 flags: 0x1fffc0000000100(slab) raw: 01fffc0000000100 ffff888081814080 0000000000000000 0000000100000006 raw: ffffea000264e960 ffffea00020162e0 ffff8880a9e19a80 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff888081814200: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc ffff888081814280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888081814300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888081814380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888081814400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci2-linux-4-14 | 2019/09/21 05:31 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/21 05:04 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/21 04:39 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/21 04:34 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/21 04:13 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/21 03:54 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/21 03:29 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/21 02:49 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/21 02:32 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/21 02:17 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/21 01:52 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/21 01:28 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/21 01:00 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/21 00:12 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 23:55 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 23:50 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 23:23 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 23:01 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 22:49 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 22:31 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 22:08 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 21:32 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 21:10 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 20:46 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 20:04 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 19:42 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 19:15 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 18:40 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 18:16 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 18:09 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 17:48 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 17:01 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 16:38 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 16:13 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 15:48 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 15:21 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 15:01 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 14:38 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/20 13:49 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/10 14:01 | linux-4.14.y | e2cd24b62938 | a60cb4cd | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/21 04:06 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | ||||
ci2-linux-4-14 | 2019/09/21 03:23 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | syz | ||||
ci2-linux-4-14 | 2019/09/21 05:21 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/20 22:53 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/20 15:07 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/20 14:13 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/20 12:15 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/20 10:50 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/20 09:28 | linux-4.14.y | b10ab5e2c476 | d96e88f3 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/20 06:43 | linux-4.14.y | b10ab5e2c476 | 4d3ae0b7 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/20 00:23 | linux-4.14.y | b10ab5e2c476 | 4d3ae0b7 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/19 21:54 | linux-4.14.y | b10ab5e2c476 | 4d3ae0b7 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/19 19:19 | linux-4.14.y | b10ab5e2c476 | eb940044 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/19 15:06 | linux-4.14.y | b10ab5e2c476 | eb940044 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/19 12:46 | linux-4.14.y | b10ab5e2c476 | eb940044 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/19 09:33 | linux-4.14.y | b10ab5e2c476 | eb940044 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/19 09:09 | linux-4.14.y | b10ab5e2c476 | eb940044 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/19 02:34 | linux-4.14.y | 968722f5371a | 46c0be24 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/18 19:44 | linux-4.14.y | 968722f5371a | 46c0be24 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/18 17:09 | linux-4.14.y | 968722f5371a | 46c0be24 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/18 15:41 | linux-4.14.y | 968722f5371a | 1037b424 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/18 13:30 | linux-4.14.y | 968722f5371a | 1037b424 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/18 12:18 | linux-4.14.y | 968722f5371a | c2dcd700 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/18 08:33 | linux-4.14.y | 968722f5371a | 03e0d245 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/18 00:31 | linux-4.14.y | 968722f5371a | 03e0d245 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/17 22:50 | linux-4.14.y | 968722f5371a | 13dcda9b | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/17 19:35 | linux-4.14.y | 968722f5371a | 13dcda9b | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/17 15:11 | linux-4.14.y | 968722f5371a | 13dcda9b | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/17 12:09 | linux-4.14.y | 968722f5371a | 13dcda9b | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/16 22:08 | linux-4.14.y | 968722f5371a | 51ca0454 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/16 20:49 | linux-4.14.y | 968722f5371a | 51ca0454 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/16 09:41 | linux-4.14.y | 968722f5371a | 55c50e70 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/16 08:00 | linux-4.14.y | 968722f5371a | 55c50e70 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/16 06:39 | linux-4.14.y | e2cd24b62938 | 32d59357 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/15 18:35 | linux-4.14.y | e2cd24b62938 | 32d59357 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/15 15:28 | linux-4.14.y | e2cd24b62938 | 32d59357 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/15 09:21 | linux-4.14.y | e2cd24b62938 | 32d59357 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/15 03:30 | linux-4.14.y | e2cd24b62938 | 32d59357 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/14 19:04 | linux-4.14.y | e2cd24b62938 | 32d59357 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/14 07:29 | linux-4.14.y | e2cd24b62938 | 32d59357 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/14 02:55 | linux-4.14.y | e2cd24b62938 | 32d59357 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/13 22:04 | linux-4.14.y | e2cd24b62938 | 32d59357 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/13 16:25 | linux-4.14.y | e2cd24b62938 | 32d59357 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/09/10 11:22 | linux-4.14.y | e2cd24b62938 | a60cb4cd | .config | console log | report |