syzbot


WARNING in invalidate_bh_lrus_cpu

Status: auto-obsoleted due to no activity on 2024/09/24 01:36
Reported-by: syzbot+cf10c5b9fe87ec51c92b@syzkaller.appspotmail.com
First crash: 113d, last: 113d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in invalidate_bh_lrus_cpu 1 450d 450d 0/3 auto-obsoleted due to no activity on 2023/10/22 19:10
linux-6.1 WARNING in invalidate_bh_lrus_cpu (2) 1 115d 115d 0/3 auto-obsoleted due to no activity on 2024/09/21 13:16
upstream WARNING in invalidate_bh_lrus_cpu fs 1 175d 171d 0/28 auto-obsoleted due to no activity on 2024/07/13 15:02

Sample crash report:
------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 0 PID: 3570 at fs/buffer.c:1148 __brelse fs/buffer.c:1148 [inline]
WARNING: CPU: 0 PID: 3570 at fs/buffer.c:1148 brelse include/linux/buffer_head.h:325 [inline]
WARNING: CPU: 0 PID: 3570 at fs/buffer.c:1148 __invalidate_bh_lrus fs/buffer.c:1394 [inline]
WARNING: CPU: 0 PID: 3570 at fs/buffer.c:1148 invalidate_bh_lrus_cpu+0x1b0/0x270 fs/buffer.c:1440
Modules linked in:
CPU: 0 PID: 3570 Comm: kworker/0:7 Not tainted 5.15.160-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: mm_percpu_wq lru_add_drain_per_cpu
RIP: 0010:__brelse fs/buffer.c:1148 [inline]
RIP: 0010:brelse include/linux/buffer_head.h:325 [inline]
RIP: 0010:__invalidate_bh_lrus fs/buffer.c:1394 [inline]
RIP: 0010:invalidate_bh_lrus_cpu+0x1b0/0x270 fs/buffer.c:1440
Code: 48 89 df be 04 00 00 00 e8 3d 67 e4 ff f0 ff 0b eb 1a e8 83 97 9a ff eb 1d e8 7c 97 9a ff 48 c7 c7 a0 6b 97 8a e8 c0 3f 66 ff <0f> 0b 49 bf 00 00 00 00 00 fc ff df 48 8b 5c 24 10 43 80 3c 3e 00
RSP: 0018:ffffc90003157ba0 EFLAGS: 00010046
RAX: cc09e0545cf4f000 RBX: ffff888073e65060 RCX: ffff888022e70000
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90003157c50 R08: ffffffff8166860c R09: ffffed1017344f24
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000038
R13: ffff8880b9a365b0 R14: 1ffff11017346cb6 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8877234000 CR3: 0000000065bea000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
 process_scheduled_works kernel/workqueue.c:2373 [inline]
 worker_thread+0xd83/0x1280 kernel/workqueue.c:2462
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/16 01:35 linux-5.15.y c61bd26ae81a f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in invalidate_bh_lrus_cpu
* Struck through repros no longer work on HEAD.