syzbot


WARNING in udf_free_inode

Status: auto-obsoleted due to no activity on 2024/10/14 23:57
Reported-by: syzbot+99421c2e931ac778e38a@syzkaller.appspotmail.com
First crash: 100d, last: 100d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING in udf_free_inode C 5 603d 741d 0/1 upstream: reported C repro on 2022/10/05 19:55
linux-4.19 WARNING in udf_free_inode C error 5 717d 741d 0/1 upstream: reported C repro on 2022/10/05 09:13
upstream WARNING in udf_free_inode udf C error 19 606d 740d 22/28 fixed on 2023/06/08 14:41

Sample crash report:
WARNING: CPU: 1 PID: 3626 at fs/udf/udfdecl.h:116 udf_free_inode+0x230/0x2d0 fs/udf/ialloc.c:41
Modules linked in:
CPU: 1 PID: 3626 Comm: syz.4.15 Not tainted 5.15.162-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:udf_updated_lvid fs/udf/udfdecl.h:114 [inline]
RIP: 0010:udf_free_inode+0x230/0x2d0 fs/udf/ialloc.c:41
Code: ff ff 4c 89 f7 31 f6 4c 89 ea 31 c9 41 b8 01 00 00 00 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 85 62 ff ff e8 60 50 a7 fe <0f> 0b e9 7c ff ff ff 44 89 e9 80 e1 07 fe c1 38 c1 0f 8c 5e fe ff
RSP: 0018:ffffc900032b7c78 EFLAGS: 00010293
RAX: ffffffff82d90b00 RBX: 00000000e2d4e8e2 RCX: ffff88807b605940
RDX: 0000000000000000 RSI: 00000000e2d4e8e2 RDI: 0000000000000000
RBP: ffff88801a2fe01f R08: ffffffff82d90a75 R09: fffff52000656f4d
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100f70dccf
R13: ffff8880628887c0 R14: ffff88807b86e000 R15: ffff88807b86e678
FS:  0000555555acd500(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563f73b6fc08 CR3: 000000001d4e6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 evict+0x2a4/0x620 fs/inode.c:587
 __dentry_kill+0x436/0x650 fs/dcache.c:582
 dentry_kill+0xbb/0x290
 dput+0xd8/0x1a0 fs/dcache.c:889
 __fput+0x5ec/0x890 fs/file_table.c:288
 task_work_run+0x129/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fe2e2dc4bd9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffd93eec18 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000000cbc1 RCX: 00007fe2e2dc4bd9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: ffffffffffffffff R08: 0000000000000001 R09: 0000001ed93eef4f
R10: 00007fe2e2c4f000 R11: 0000000000000246 R12: 00007fe2e2f52f6c
R13: 0000000000000032 R14: 00007fe2e2f54a60 R15: 00007fe2e2f52f60
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/07/06 23:56 linux-5.15.y f45bea23c39c 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in udf_free_inode
* Struck through repros no longer work on HEAD.