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WARNING in skb_warn_bad_offload (2)

Status: closed as invalid on 2018/04/25 20:49
First crash: 2302d, last: 2133d
Similar bugs (8)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING in skb_warn_bad_offload C inconclusive 81 663d 1524d 0/1 upstream: reported C repro on 2019/12/25 14:39
android-49 WARNING in skb_warn_bad_offload (3) C 2188 1545d 1782d 0/3 public: reported C repro on 2019/04/11 08:44
android-49 WARNING in skb_warn_bad_offload C 442 2302d 2409d 1/3 fixed on 2017/11/07 12:35
android-44 WARNING in skb_warn_bad_offload C 2265 1545d 1782d 0/2 public: reported C repro on 2019/04/12 00:00
upstream WARNING in skb_warn_bad_offload (3) net C done 115 368d 505d 22/26 fixed on 2023/02/24 13:50
upstream WARNING in skb_warn_bad_offload net C 6527 2184d 2308d 5/26 fixed on 2018/04/09 09:36
upstream WARNING in skb_warn_bad_offload (4) net C done 1763 130d 157d 25/26 fixed on 2023/12/21 03:45
upstream WARNING in skb_warn_bad_offload (2) net C 6 2130d 2130d 8/26 fixed on 2018/07/09 18:05

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3808 at net/core/dev.c:2466 skb_warn_bad_offload+0x2af/0x390 net/core/dev.c:2461
syz0: caps=(0x00000400000058c1, 0x0000000000000000) len=90 data_len=0 gso_size=574 gso_type=5 ip_summed=0
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 3808 Comm: syzkaller611831 Not tainted 4.9.83-ga92bb8d #43
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d8a37388 ffffffff81d95149 ffffffff83a480c0 ffff8801d8a37460
 ffffffff83ee3100 ffffffff82f3634f 0000000000000009 ffff8801d8a37450
 ffffffff8142f6c1 0000000041b58ab3 ffffffff8418b1f0 ffffffff8142f505
Call Trace:
 [<ffffffff81d95149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d95149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8142f6c1>] panic+0x1bc/0x3a8 kernel/panic.c:179
 [<ffffffff811311c4>] __warn+0x1c4/0x1e0 kernel/panic.c:542
 [<ffffffff811312a4>] warn_slowpath_fmt+0xc4/0x110 kernel/panic.c:565
 [<ffffffff82f3634f>] skb_warn_bad_offload+0x2af/0x390 net/core/dev.c:2461
 [<ffffffff82f49eeb>] __skb_gso_segment+0x52b/0x670 net/core/dev.c:2767
 [<ffffffff82f4ad8e>] skb_gso_segment include/linux/netdevice.h:4000 [inline]
 [<ffffffff82f4ad8e>] validate_xmit_skb+0x44e/0x980 net/core/dev.c:3003
 [<ffffffff82f4b377>] validate_xmit_skb_list+0xb7/0x120 net/core/dev.c:3052
 [<ffffffff82fe524a>] sch_direct_xmit+0x34a/0x5d0 net/sched/sch_generic.c:177
 [<ffffffff82f4d732>] __dev_xmit_skb net/core/dev.c:3144 [inline]
 [<ffffffff82f4d732>] __dev_queue_xmit+0x17b2/0x20a0 net/core/dev.c:3404
 [<ffffffff82f4e037>] dev_queue_xmit+0x17/0x20 net/core/dev.c:3469
 [<ffffffff8355b61c>] packet_snd net/packet/af_packet.c:2953 [inline]
 [<ffffffff8355b61c>] packet_sendmsg+0x2ccc/0x4760 net/packet/af_packet.c:2978
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed9b08>] SYSC_sendto+0x2c8/0x340 net/socket.c:1670
 [<ffffffff82edc010>] SyS_sendto+0x40/0x50 net/socket.c:1638
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b4e7d>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (2630):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/02/26 05:03 https://android.googlesource.com/kernel/common android-4.9 a92bb8d6eac3 9fe8aa42 .config console log report syz C ci-android-49-kasan-gce
2018/02/25 03:23 https://android.googlesource.com/kernel/common android-4.9 a92bb8d6eac3 5c1e0207 .config console log report syz C ci-android-49-kasan-gce
2018/02/22 12:21 https://android.googlesource.com/kernel/common android-4.9 7595d550012d 04cbdbd1 .config console log report syz C ci-android-49-kasan-gce
2018/02/22 02:15 https://android.googlesource.com/kernel/common android-4.9 7ec482be026a 04cbdbd1 .config console log report syz C ci-android-49-kasan-gce
2018/02/20 17:48 https://android.googlesource.com/kernel/common android-4.9 cdfc8df1d262 5abac192 .config console log report syz C ci-android-49-kasan-gce
2018/02/20 12:38 https://android.googlesource.com/kernel/common android-4.9 cdfc8df1d262 5abac192 .config console log report syz C ci-android-49-kasan-gce
2018/01/12 13:44 https://android.googlesource.com/kernel/common android-4.9 91549408ceb8 9dc808a6 .config console log report syz C ci-android-49-kasan-gce-386
2018/01/09 17:21 https://android.googlesource.com/kernel/common android-4.9 8910fa508811 a7899a58 .config console log report syz C ci-android-49-kasan-gce-386
2018/01/06 06:48 https://android.googlesource.com/kernel/common android-4.9 bc7ff9b9988f 00193447 .config console log report syz C ci-android-49-kasan-gce-386
2018/01/02 18:06 https://android.googlesource.com/kernel/common android-4.9 f3f3457d4582 00193447 .config console log report syz C ci-android-49-kasan-gce-386
2017/12/31 04:30 https://android.googlesource.com/kernel/common android-4.9 f3f3457d4582 bb6384b8 .config console log report syz C ci-android-49-kasan-gce
2017/12/25 13:54 https://android.googlesource.com/kernel/common android-4.9 250637879165 73aba437 .config console log report syz C ci-android-49-kasan-gce
2017/12/19 03:24 https://android.googlesource.com/kernel/common android-4.9 9542d2a0126e 1c4160ef .config console log report syz C ci-android-49-kasan-gce
2017/12/09 12:50 https://android.googlesource.com/kernel/common android-4.9 f26d3c76d376 5ad0ce95 .config console log report syz C ci-android-49-kasan-gce
2017/12/04 03:13 https://android.googlesource.com/kernel/common android-4.9 b76348094703 48359b97 .config console log report syz C ci-android-49-kasan-gce
2017/11/09 16:58 https://android.googlesource.com/kernel/common android-4.9 a93e3124db19 e0a2b195 .config console log report syz C ci-android-49-kasan-gce
2018/02/26 05:10 https://android.googlesource.com/kernel/common android-4.9 a92bb8d6eac3 9fe8aa42 .config console log report syz C ci-android-49-kasan-gce-386
2018/02/25 03:25 https://android.googlesource.com/kernel/common android-4.9 a92bb8d6eac3 5c1e0207 .config console log report syz C ci-android-49-kasan-gce-386
2018/02/22 12:23 https://android.googlesource.com/kernel/common android-4.9 7595d550012d 04cbdbd1 .config console log report syz C ci-android-49-kasan-gce-386
2018/02/22 02:16 https://android.googlesource.com/kernel/common android-4.9 7ec482be026a 04cbdbd1 .config console log report syz C ci-android-49-kasan-gce-386
2018/02/20 17:48 https://android.googlesource.com/kernel/common android-4.9 cdfc8df1d262 5abac192 .config console log report syz C ci-android-49-kasan-gce-386
2018/02/20 12:37 https://android.googlesource.com/kernel/common android-4.9 cdfc8df1d262 5abac192 .config console log report syz C ci-android-49-kasan-gce-386
2018/04/25 15:18 https://android.googlesource.com/kernel/common android-4.9 320d53a9d07c 73417389 .config console log report ci-android-49-kasan-gce
2018/04/24 07:49 https://android.googlesource.com/kernel/common android-4.9 142d4b530f5a e7e85d36 .config console log report ci-android-49-kasan-gce
2018/04/22 16:17 https://android.googlesource.com/kernel/common android-4.9 ee0bcd679075 d23fcf6c .config console log report ci-android-49-kasan-gce
2018/04/21 19:37 https://android.googlesource.com/kernel/common android-4.9 ee0bcd679075 d23fcf6c .config console log report ci-android-49-kasan-gce
2018/04/20 10:06 https://android.googlesource.com/kernel/common android-4.9 8683408f8e81 eae05cb0 .config console log report ci-android-49-kasan-gce
2018/04/19 16:12 https://android.googlesource.com/kernel/common android-4.9 8683408f8e81 3642839c .config console log report ci-android-49-kasan-gce-root
2018/04/12 02:58 https://android.googlesource.com/kernel/common android-4.9 f6bec4e8c771 9cd56d71 .config console log report ci-android-49-kasan-gce
2018/04/06 04:17 https://android.googlesource.com/kernel/common android-4.9 7cd956196346 a932eae6 .config console log report ci-android-49-kasan-gce
2018/04/05 22:45 https://android.googlesource.com/kernel/common android-4.9 7cd956196346 a932eae6 .config console log report ci-android-49-kasan-gce
2018/04/05 10:59 https://android.googlesource.com/kernel/common android-4.9 7cd956196346 5e1ccffc .config console log report ci-android-49-kasan-gce
2018/04/03 23:15 https://android.googlesource.com/kernel/common android-4.9 13b40d327b49 676bd07e .config console log report ci-android-49-kasan-gce
2018/03/25 10:20 https://android.googlesource.com/kernel/common android-4.9 dd1e37e64645 2e9d9054 .config console log report ci-android-49-kasan-gce
2018/03/22 05:22 https://android.googlesource.com/kernel/common android-4.9 71df7bbae4d8 95c88d7a .config console log report ci-android-49-kasan-gce
2018/03/21 13:21 https://android.googlesource.com/kernel/common android-4.9 71df7bbae4d8 f63eeee9 .config console log report ci-android-49-kasan-gce
2018/03/20 23:12 https://android.googlesource.com/kernel/common android-4.9 71df7bbae4d8 72c33b66 .config console log report ci-android-49-kasan-gce
2018/03/19 03:17 https://android.googlesource.com/kernel/common android-4.9 bb52bba67e35 08dacaa0 .config console log report ci-android-49-kasan-gce
2018/03/15 14:46 https://android.googlesource.com/kernel/common android-4.9 3a3a0844ac38 08dacaa0 .config console log report ci-android-49-kasan-gce
2018/03/14 15:24 https://android.googlesource.com/kernel/common android-4.9 97d7f1c7c0f0 08dacaa0 .config console log report ci-android-49-kasan-gce
2018/03/13 08:36 https://android.googlesource.com/kernel/common android-4.9 a2904940bde8 f505ca4b .config console log report ci-android-49-kasan-gce
2018/03/12 10:19 https://android.googlesource.com/kernel/common android-4.9 a2904940bde8 f505ca4b .config console log report ci-android-49-kasan-gce
2018/03/11 21:10 https://android.googlesource.com/kernel/common android-4.9 a2904940bde8 36d1c454 .config console log report ci-android-49-kasan-gce
2018/03/11 09:14 https://android.googlesource.com/kernel/common android-4.9 00db063b0f88 36d1c454 .config console log report ci-android-49-kasan-gce
2018/03/09 00:43 https://android.googlesource.com/kernel/common android-4.9 00db063b0f88 36d1c454 .config console log report ci-android-49-kasan-gce
2018/03/08 13:03 https://android.googlesource.com/kernel/common android-4.9 00db063b0f88 acd0caa5 .config console log report ci-android-49-kasan-gce
2018/04/21 16:29 https://android.googlesource.com/kernel/common android-4.9 ee0bcd679075 d23fcf6c .config console log report ci-android-49-kasan-gce-386
2018/04/17 03:51 https://android.googlesource.com/kernel/common android-4.9 8683408f8e81 b80fd3b5 .config console log report ci-android-49-kasan-gce-386
2018/04/16 04:22 https://android.googlesource.com/kernel/common android-4.9 8683408f8e81 7a67784c .config console log report ci-android-49-kasan-gce-386
2018/04/09 12:49 https://android.googlesource.com/kernel/common android-4.9 4fb542f2aa14 f13fb445 .config console log report ci-android-49-kasan-gce-386
2018/04/06 15:24 https://android.googlesource.com/kernel/common android-4.9 7cd956196346 4f1152d4 .config console log report ci-android-49-kasan-gce-386
2018/04/05 23:50 https://android.googlesource.com/kernel/common android-4.9 7cd956196346 a932eae6 .config console log report ci-android-49-kasan-gce-386
2018/03/20 20:33 https://android.googlesource.com/kernel/common android-4.9 71df7bbae4d8 72c33b66 .config console log report ci-android-49-kasan-gce-386
2018/03/19 11:06 https://android.googlesource.com/kernel/common android-4.9 bb52bba67e35 7e7d7ed2 .config console log report ci-android-49-kasan-gce-386
2018/03/19 09:46 https://android.googlesource.com/kernel/common android-4.9 bb52bba67e35 08dacaa0 .config console log report ci-android-49-kasan-gce-386
2018/03/19 06:50 https://android.googlesource.com/kernel/common android-4.9 bb52bba67e35 08dacaa0 .config console log report ci-android-49-kasan-gce-386
2018/03/17 13:18 https://android.googlesource.com/kernel/common android-4.9 fc8bd0f6ffec 08dacaa0 .config console log report ci-android-49-kasan-gce-386
2018/03/15 17:08 https://android.googlesource.com/kernel/common android-4.9 3a3a0844ac38 08dacaa0 .config console log report ci-android-49-kasan-gce-386
2018/03/12 20:56 https://android.googlesource.com/kernel/common android-4.9 a2904940bde8 f505ca4b .config console log report ci-android-49-kasan-gce-386
2018/03/10 19:47 https://android.googlesource.com/kernel/common android-4.9 00db063b0f88 36d1c454 .config console log report ci-android-49-kasan-gce-386
2018/03/09 17:49 https://android.googlesource.com/kernel/common android-4.9 00db063b0f88 36d1c454 .config console log report ci-android-49-kasan-gce-386
2018/03/07 12:16 https://android.googlesource.com/kernel/common android-4.9 b324a701539e c8a18476 .config console log report ci-android-49-kasan-gce-386
* Struck through repros no longer work on HEAD.