syzbot


WARNING in pskb_expand_head
Status: upstream: reported C repro on 2021/01/24 20:51
Reported-by: syzbot+a1c17e56a8a62294c714@syzkaller.appspotmail.com
First crash: 280d, last: 5d17h

Cause bisection: introduced by (bisect log) :
commit 3226b158e67cfaa677fd180152bfb28989cb2fac
Author: Eric Dumazet <edumazet@google.com>
Date: Wed Jan 13 16:18:19 2021 +0000

  net: avoid 32 x truesize under-estimation for tiny skbs

Crash: WARNING in pskb_expand_head (log)
Repro: C syz .config

Sample crash report:

Crashes (76):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-bpf-next-kasan-gce 2021/01/20 21:48 bpf-next 7d68e3828842 d4f4eca5 .config log report syz C WARNING in pskb_expand_head
ci-upstream-kasan-gce-root 2021/08/25 14:58 upstream 6e764bcd1cf7 b599f2fc .config log report info WARNING in pskb_expand_head
ci-upstream-kasan-gce-smack-root 2021/08/25 01:20 upstream 6e764bcd1cf7 b599f2fc .config log report info WARNING in pskb_expand_head
ci-upstream-kasan-gce-smack-root 2021/08/18 01:55 upstream 794c7931a242 a2fe1cb5 .config log report info WARNING in pskb_expand_head
ci-upstream-kasan-gce-smack-root 2021/07/26 15:58 upstream ff1176468d36 fd511809 .config log report info WARNING in pskb_expand_head
ci-upstream-kasan-gce-smack-root 2021/06/29 06:24 upstream 233a806b00e3 9d2ab5df .config log report info WARNING in pskb_expand_head
ci-upstream-kasan-gce-root 2021/06/18 05:16 upstream fd0aa1a4567d aba2b2fb .config log report info WARNING in pskb_expand_head
ci-upstream-kasan-gce-root 2021/05/26 18:59 upstream ad9f25d33860 54f0bcf1 .config log report info WARNING in pskb_expand_head
ci-upstream-kasan-gce-root 2021/04/19 07:48 upstream bf05bf16c76b 7e2b734b .config log report info WARNING in pskb_expand_head
ci-upstream-kasan-gce-smack-root 2021/04/18 18:25 upstream c98ff1d013d2 7e2b734b .config log report info WARNING in pskb_expand_head
ci-upstream-kasan-gce-smack-root 2021/04/10 04:58 upstream 17e7124aad76 6a81331a .config log report info WARNING in pskb_expand_head
ci-upstream-kasan-gce-root 2021/03/30 20:17 upstream 1e43c377a79f 6a81331a .config log report info WARNING in pskb_expand_head
ci-upstream-kasan-gce-smack-root 2021/02/19 22:05 upstream f40ddce88593 f689d40a .config log report info WARNING in pskb_expand_head
ci-upstream-kasan-gce-smack-root 2021/02/18 02:31 upstream f40ddce88593 14052202 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-kasan-gce 2021/10/22 22:00 bpf 1acfe7c9b44b 282f03fb .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-kasan-gce 2021/10/21 05:13 bpf 6020e87c1373 f111d03b .config log report info WARNING in pskb_expand_head
ci-upstream-net-this-kasan-gce 2021/09/27 14:58 net 763716a55cb1 78494d16 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-kasan-gce 2021/09/13 16:07 bpf 57f780f1c433 3ce60af8 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-kasan-gce 2021/08/31 19:40 bpf 57f780f1c433 7eb7e152 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-kasan-gce 2021/08/16 22:22 bpf 3776f3517ed9 33c26cb7 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-kasan-gce 2021/08/13 20:33 bpf 3776f3517ed9 3fd2ea69 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-kasan-gce 2021/08/06 15:14 bpf a02215ce72a3 f9e341e3 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-kasan-gce 2021/07/17 08:21 bpf a6c39de76d70 f115ae98 .config log report info WARNING in pskb_expand_head
ci-upstream-net-this-kasan-gce 2021/07/15 17:51 net 3ffd3dad4b5d b9a2f64e .config log report info WARNING in pskb_expand_head
ci-upstream-net-this-kasan-gce 2021/07/15 15:04 net 3ffd3dad4b5d b9a2f64e .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-kasan-gce 2021/07/06 17:54 bpf 2620e92ae6ed 6c4484eb .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-kasan-gce 2021/06/30 16:33 bpf d6765985a42a 84fd4c77 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-kasan-gce 2021/06/24 19:01 bpf c2f5c57d99de ec865f6a .config log report info WARNING in pskb_expand_head
ci-upstream-net-this-kasan-gce 2021/06/24 04:31 net 7c2becf7968b fe4ab389 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-kasan-gce 2021/06/05 01:54 bpf 1a8024239dac 966a236b .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-kasan-gce 2021/05/25 15:55 bpf a8deba8547e3 3c7fef33 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-kasan-gce 2021/05/25 15:53 bpf a8deba8547e3 3c7fef33 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-kasan-gce 2021/05/18 01:39 bpf d0c0fe10ce6d a343ba6b .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-kasan-gce 2021/04/10 13:41 bpf afd0be729953 bfeda1b1 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-kasan-gce 2021/02/19 22:00 bpf 57baf8cc70ea f689d40a .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-kasan-gce 2021/02/10 15:45 bpf b8776f14a470 2bd9619f .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-kasan-gce 2021/02/01 17:42 bpf 06cc6e5dc659 e6b95f32 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/10/15 18:25 bpf-next 431bfb9ee3e2 0c5d9412 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/10/12 02:33 bpf-next 431bfb9ee3e2 838e7e2c .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/10/06 22:10 bpf-next 9d0578722391 62ee0987 .config log report info WARNING in pskb_expand_head
ci-upstream-net-kasan-gce 2021/10/02 07:06 net-next 20ab39d13e2e db0f5787 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/10/01 00:32 bpf-next e68ac0082787 1d849ab4 .config log report info WARNING in pskb_expand_head
ci-upstream-net-kasan-gce 2021/09/26 21:59 net-next d59bdda85eb7 78494d16 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/08/27 01:19 bpf-next 48b2e71c2e53 b318694d .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/08/17 14:00 bpf-next 1bda52f80471 33c26cb7 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/08/16 19:11 bpf-next fa183a86eefd 33c26cb7 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/08/14 04:35 bpf-next faff1cca3b8b 2489ab88 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/08/10 03:02 bpf-next 6aab1c81b98a 6972b106 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/08/08 07:33 bpf-next c83ae15dc947 6972b106 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/08/05 22:23 bpf-next 372642ea83ff d2d6e680 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/08/05 08:25 bpf-next 372642ea83ff 7f7bb950 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/07/25 03:45 bpf-next 2b7e9f25e590 4d1b57d4 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/06/23 17:59 bpf-next 4b9718b5a201 aba2b2fb .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/06/19 23:30 bpf-next f42cfb469f9b aba2b2fb .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/06/14 05:16 bpf-next ca16b429f39b 1ba81399 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/05/30 02:43 bpf-next e8e0f0f48478 325a8dab .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/05/29 21:36 bpf-next e8e0f0f48478 325a8dab .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/05/18 05:07 bpf-next f18ba26da88a a343ba6b .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/05/11 21:39 bpf-next f4cceb783169 b3c3bb8e .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/04/16 03:44 bpf-next d3d93e34bd98 c59079a6 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/04/09 16:33 bpf-next 92d3bff28aa4 6a81331a .config log report info WARNING in pskb_expand_head
ci-upstream-net-kasan-gce 2021/03/30 17:49 net-next 37f368d8d09d 6a81331a .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/03/30 17:32 bpf-next 7aae231ac93b 6a81331a .config log report info WARNING in pskb_expand_head
ci-upstream-net-kasan-gce 2021/02/27 09:46 net-next d310ec03a34e 4c37c133 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/02/27 01:35 bpf-next a7d24d9582f8 4c37c133 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/02/23 20:04 bpf-next 6b12bb20aeb3 fcc6d71b .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/02/18 02:21 bpf-next 7b1e385c9a48 14052202 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/02/10 15:56 bpf-next ee5cc0363ea0 2bd9619f .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/01/26 14:11 bpf-next 190d1c921ad0 52e37319 .config log report info WARNING in pskb_expand_head
ci-upstream-bpf-next-kasan-gce 2021/01/20 20:42 bpf-next 7d68e3828842 d4f4eca5 .config log report info WARNING in pskb_expand_head