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WARNING in update_cpumasks_hier

Status: closed as invalid on 2022/10/12 18:04
Subsystems: cgroups
[Documentation on labels]
First crash: 862d, last: 783d
Cause bisection: introduced by (bisect log) :
commit e4b8954074f6d0db01c8c97d338a67f9389c042f
Author: Eric Dumazet <edumazet@google.com>
Date: Tue Dec 7 01:30:37 2021 +0000

  netlink: add net device refcount tracker to struct ethnl_req_info

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

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3604 at kernel/cgroup/cpuset.c:1487 update_cpumasks_hier+0xa09/0x14b0 kernel/cgroup/cpuset.c:1487
Modules linked in:
CPU: 0 PID: 3604 Comm: syz-executor286 Not tainted 5.16.0-rc5-next-20211215-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:update_cpumasks_hier+0xa09/0x14b0 kernel/cgroup/cpuset.c:1487
Code: 00 0f 85 75 09 00 00 49 33 9c 24 30 01 00 00 31 ff 0f b6 db 48 89 de e8 65 78 04 00 48 85 db 0f 84 4c fc ff ff e8 c7 75 04 00 <0f> 0b e9 40 fc ff ff e8 bb 75 04 00 e8 e6 c8 ef ff e8 b1 75 04 00
RSP: 0018:ffffc90001d2fa78 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000
RDX: ffff888078f3d7c0 RSI: ffffffff817389a9 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ffa4957
R10: ffffffff8173899b R11: 0000000000000000 R12: ffff88801d30b000
R13: dffffc0000000000 R14: ffff88801d30b130 R15: 0000000000000000
FS:  0000555557134300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f40bc9d0130 CR3: 0000000078a69000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 update_cpumask kernel/cgroup/cpuset.c:1616 [inline]
 cpuset_write_resmask+0xfb7/0x20f0 kernel/cgroup/cpuset.c:2454
 cgroup_file_write+0x1ec/0x780 kernel/cgroup/cgroup.c:3852
 kernfs_fop_write_iter+0x342/0x500 fs/kernfs/file.c:296
 call_write_iter include/linux/fs.h:2079 [inline]
 new_sync_write+0x429/0x660 fs/read_write.c:503
 vfs_write+0x7cd/0xae0 fs/read_write.c:590
 ksys_write+0x12d/0x250 fs/read_write.c:643
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f40bc95dd39
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd833500c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f40bc95dd39
RDX: 0000000000000048 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000017 R09: 00007ffd833500f0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd833500ec
R13: 00007ffd83350100 R14: 00007ffd83350140 R15: 0000000000000000
 </TASK>

Crashes (270):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/12/16 03:45 linux-next 93bf6eee76c0 572bcb40 .config console log report syz C ci-upstream-linux-next-kasan-gce-root WARNING in update_cpumasks_hier
2022/02/03 18:44 upstream 88808fbbead4 4ebb2798 .config console log report info ci-upstream-kasan-gce-root WARNING in update_cpumasks_hier
2022/02/02 03:11 upstream 9f7fb8de5d9b 4ebb2798 .config console log report info ci-upstream-kasan-gce-selinux-root WARNING in update_cpumasks_hier
2022/02/02 02:21 upstream 9f7fb8de5d9b 4ebb2798 .config console log report info ci-upstream-kasan-gce-root WARNING in update_cpumasks_hier
2022/02/01 21:41 upstream 9f7fb8de5d9b c1c1631d .config console log report info ci-upstream-kasan-gce-root WARNING in update_cpumasks_hier
2022/02/01 19:50 upstream 26291c54e111 c1c1631d .config console log report info ci-upstream-kasan-gce WARNING in update_cpumasks_hier
2022/02/01 13:52 upstream 26291c54e111 c1c1631d .config console log report info ci-upstream-kasan-gce-smack-root WARNING in update_cpumasks_hier
2022/02/01 09:53 upstream 26291c54e111 c1c1631d .config console log report info ci-upstream-kasan-gce-root WARNING in update_cpumasks_hier
2022/01/29 13:50 upstream 169387e2aa29 495e00c5 .config console log report info ci-qemu-upstream WARNING in update_cpumasks_hier
2022/02/03 16:54 upstream 88808fbbead4 4ebb2798 .config console log report info ci-upstream-kasan-gce-386 WARNING in update_cpumasks_hier
2022/02/03 15:51 upstream 88808fbbead4 4ebb2798 .config console log report info ci-upstream-kasan-gce-386 WARNING in update_cpumasks_hier
2022/02/02 23:49 upstream 27bb0b18c208 4ebb2798 .config console log report info ci-upstream-kasan-gce-386 WARNING in update_cpumasks_hier
2022/02/02 00:46 upstream 9f7fb8de5d9b 4ebb2798 .config console log report info ci-upstream-kasan-gce-386 WARNING in update_cpumasks_hier
2022/02/01 15:51 upstream 26291c54e111 c1c1631d .config console log report info ci-upstream-kasan-gce-386 WARNING in update_cpumasks_hier
2022/02/01 12:52 upstream 26291c54e111 c1c1631d .config console log report info ci-qemu-upstream-386 WARNING in update_cpumasks_hier
2022/01/31 15:54 upstream 26291c54e111 6b7c57fe .config console log report info ci-upstream-kasan-gce-386 WARNING in update_cpumasks_hier
2022/02/03 12:04 bpf b293dcc473d2 4ebb2798 .config console log report info ci-upstream-bpf-kasan-gce WARNING in update_cpumasks_hier
2022/02/03 07:00 bpf b7892f7d5cb2 4ebb2798 .config console log report info ci-upstream-bpf-kasan-gce WARNING in update_cpumasks_hier
2022/02/03 03:26 bpf b7892f7d5cb2 4ebb2798 .config console log report info ci-upstream-bpf-kasan-gce WARNING in update_cpumasks_hier
2022/02/02 19:17 bpf b7892f7d5cb2 4ebb2798 .config console log report info ci-upstream-bpf-kasan-gce WARNING in update_cpumasks_hier
2022/02/01 23:04 bpf b7892f7d5cb2 4ebb2798 .config console log report info ci-upstream-bpf-kasan-gce WARNING in update_cpumasks_hier
2022/02/01 17:37 bpf e2bcbd7769ee c1c1631d .config console log report info ci-upstream-bpf-kasan-gce WARNING in update_cpumasks_hier
2022/01/31 04:59 bpf e2bcbd7769ee 495e00c5 .config console log report info ci-upstream-bpf-kasan-gce WARNING in update_cpumasks_hier
2022/01/23 04:08 net-old afa114d987c4 214351e1 .config console log report info ci-upstream-net-this-kasan-gce WARNING in update_cpumasks_hier
2022/03/05 10:47 bpf-next e5313968c41b 45a13a73 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/03/03 20:13 bpf-next e5313968c41b 45a13a73 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/03/03 11:30 bpf-next e5313968c41b 45a13a73 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/03/02 05:27 bpf-next e5313968c41b 45a13a73 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/25 19:32 bpf-next e5313968c41b 45a13a73 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/25 03:32 bpf-next e5313968c41b 7c337266 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/24 14:11 bpf-next e5313968c41b b28851a4 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/24 08:40 bpf-next e5313968c41b 6e821dbf .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/22 15:23 bpf-next e5313968c41b 6e821dbf .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/22 10:52 bpf-next e5313968c41b 6e821dbf .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/21 20:53 bpf-next e5313968c41b 6e821dbf .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/20 22:38 bpf-next e5313968c41b 3cd800e4 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/20 15:57 bpf-next e5313968c41b 3cd800e4 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/20 14:37 bpf-next e5313968c41b 3cd800e4 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/18 23:33 bpf-next e5313968c41b 3cd800e4 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/17 00:58 bpf-next e5313968c41b 2bea8a27 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/16 21:06 bpf-next e5313968c41b 8b9ca619 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/16 14:12 bpf-next e5313968c41b 8b9ca619 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/14 20:59 bpf-next e5313968c41b 8b9ca619 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/13 07:44 bpf-next e5313968c41b 8b9ca619 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/12 01:01 bpf-next e5313968c41b 8b9ca619 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/11 18:44 bpf-next e5313968c41b 8b9ca619 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/11 17:41 bpf-next e5313968c41b 0b33604d .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/09 23:00 bpf-next e5313968c41b 0b33604d .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/08 21:17 bpf-next f95f768f0af4 0b33604d .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/08 14:05 bpf-next 5d1e9f437df5 0b33604d .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/07 17:28 bpf-next e91d280c840f a7dab638 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/07 02:42 bpf-next 422ee58dc0ef a7dab638 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/05 20:10 bpf-next 0908a66ad112 a7dab638 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/05 07:06 bpf-next 0908a66ad112 e13a05ed .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/04 17:03 bpf-next 227a0713b319 e13a05ed .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/02/04 03:52 bpf-next ca33aa4ec5cb 30646bfe .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/01/31 22:45 bpf-next 0407a65f356e 6b7c57fe .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/01/31 18:54 bpf-next b3dddab2ff10 6b7c57fe .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/01/31 17:25 bpf-next b3dddab2ff10 6b7c57fe .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/01/31 02:18 bpf-next b3dddab2ff10 495e00c5 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/01/30 11:57 bpf-next b3dddab2ff10 495e00c5 .config console log report info ci-upstream-bpf-next-kasan-gce WARNING in update_cpumasks_hier
2022/01/10 21:37 linux-next 57c149e506d5 ddb0ab8c .config console log report info ci-upstream-linux-next-kasan-gce-root WARNING in update_cpumasks_hier
2021/12/15 23:07 linux-next 93bf6eee76c0 572bcb40 .config console log report info ci-upstream-linux-next-kasan-gce-root WARNING in update_cpumasks_hier
* Struck through repros no longer work on HEAD.