syzbot


WARNING in cset_cgroup_from_root

Status: upstream: reported C repro on 2024/09/04 18:40
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+d7f3c693c6ed6adea1a1@syzkaller.appspotmail.com
First crash: 38d, last: 4h21m
Bug presence (2)
Date Name Commit Repro Result
2024/09/06 linux-5.15.y (ToT) 14e468424d3e C [report] WARNING in cset_cgroup_from_root
2024/09/06 upstream (ToT) b831f83e40a2 C Didn't crash
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in cset_cgroup_from_root origin:lts-only C done 139 55d 71d 3/3 fixed on 2024/09/23 09:27

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3563 at kernel/cgroup/cgroup.c:1424 cset_cgroup_from_root+0x1c7/0x230
Modules linked in:
CPU: 1 PID: 3563 Comm: syz-executor887 Not tainted 5.15.166-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:cset_cgroup_from_root+0x1c7/0x230 kernel/cgroup/cgroup.c:1424
Code: 78 4c 89 f8 48 c1 e8 03 80 3c 28 00 74 08 4c 89 ff e8 1d b1 52 00 4d 8b 27 4d 85 e4 75 c7 e8 30 e8 08 00 0f 0b e8 29 e8 08 00 <0f> 0b e9 a4 fe ff ff e8 1d e8 08 00 0f 0b e9 f9 fe ff ff 48 c7 c1
RSP: 0018:ffffc90002f87958 EFLAGS: 00010093
RAX: ffffffff817771d7 RBX: 0000000000000000 RCX: ffff888026000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81777075 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffffffff8c945b50
R13: dffffc0000000000 R14: ffffffff8c945b40 R15: ffffffff8c947f80
FS:  000055555ffd2380(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000280 CR3: 000000007c6c3000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 cgroup_path_ns_locked+0x6c/0xd0 kernel/cgroup/cgroup.c:2302
 proc_cpuset_show+0x27d/0x3f0 kernel/cgroup/cpuset.c:3787
 proc_single_show+0xf6/0x180 fs/proc/base.c:778
 seq_read_iter+0x43a/0xd10 fs/seq_file.c:230
 seq_read+0x452/0x5c0 fs/seq_file.c:162
 vfs_read+0x2fc/0xe10 fs/read_write.c:483
 ksys_read+0x1a2/0x2c0 fs/read_write.c:623
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f489ead1529
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcbe8bb678 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ffcbe8bb680 RCX: 00007f489ead1529
RDX: 0000000000002020 RSI: 0000000020004180 RDI: 0000000000000003
RBP: 00007f489eb44610 R08: 0000000000000000 R09: 65732f636f72702f
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffcbe8bb8b8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>

Crashes (272):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/09/06 15:09 linux-5.15.y 14e468424d3e 464ac2ed .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/09/06 14:12 linux-5.15.y 14e468424d3e 464ac2ed .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/09/06 12:31 linux-5.15.y 14e468424d3e 464ac2ed .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/09/06 09:35 linux-5.15.y 14e468424d3e 464ac2ed .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/09/06 06:31 linux-5.15.y 14e468424d3e 464ac2ed .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/13 07:17 linux-5.15.y 3a5928702e71 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/13 05:02 linux-5.15.y 3a5928702e71 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/13 03:51 linux-5.15.y 3a5928702e71 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/12 08:08 linux-5.15.y 3a5928702e71 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/11 18:11 linux-5.15.y 3a5928702e71 cd942402 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/11 17:56 linux-5.15.y 3a5928702e71 cd942402 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/11 03:53 linux-5.15.y 3a5928702e71 8fbfc0c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/11 01:44 linux-5.15.y 3a5928702e71 8fbfc0c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/10 14:18 linux-5.15.y 3a5928702e71 0278d004 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/09 12:10 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/09 04:02 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/08 21:58 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/08 21:11 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/08 15:55 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/07 23:12 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/07 17:35 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/07 16:25 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/07 06:29 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/07 04:40 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/07 03:23 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/06 18:19 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/06 02:45 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/06 01:00 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/05 09:56 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/04 22:19 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/04 19:32 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/04 13:34 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/04 09:47 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/04 03:37 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/04 02:30 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/03 02:07 linux-5.15.y 3a5928702e71 02f9582a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/03 00:56 linux-5.15.y 3a5928702e71 02f9582a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/02 23:32 linux-5.15.y 3a5928702e71 02f9582a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/02 01:52 linux-5.15.y 3a5928702e71 ea2b66a6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/10/01 22:49 linux-5.15.y 3a5928702e71 ea2b66a6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/09/30 22:54 linux-5.15.y 3a5928702e71 bbd4e0a4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/09/30 11:13 linux-5.15.y 3a5928702e71 ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/09/30 02:30 linux-5.15.y 3a5928702e71 ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/09/29 14:51 linux-5.15.y 3a5928702e71 ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/09/29 00:25 linux-5.15.y 3a5928702e71 ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/09/28 05:17 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/09/27 02:43 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
2024/09/04 18:39 linux-5.15.y 14e468424d3e 9d47f20a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cset_cgroup_from_root
* Struck through repros no longer work on HEAD.