syzbot


WARNING in journal_end

Status: upstream: reported C repro on 2022/12/26 21:28
Subsystems: reiserfs
[Documentation on labels]
Reported-by: syzbot+81e9c755ef1260599dd8@syzkaller.appspotmail.com
First crash: 545d, last: 497d
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in journal_end reiserfs C error done 522 147d 573d 0/27 auto-obsoleted due to no activity on 2024/04/08 04:41
linux-5.15 WARNING in journal_end origin:lts-only C 21 5d07h 437d 0/3 upstream: reported C repro on 2023/04/14 09:59
linux-4.19 WARNING in journal_end reiserfs C error 3 515d 546d 0/1 upstream: reported C repro on 2022/12/26 09:51
linux-6.1 WARNING in journal_end origin:upstream C 44 7d11h 446d 0/3 upstream: reported C repro on 2023/04/05 07:47
Fix bisection attempts (1)
Created Duration User Patch Repo Result
2023/02/01 21:52 24m bisect fix linux-4.14.y job log (0) log

Sample crash report:
REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are!
REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage.
REISERFS error (device loop0): vs-4080 _reiserfs_free_block: block 531: bit already cleared
REISERFS (device loop0): Remounting filesystem read-only
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7991 at fs/reiserfs/journal.c:3402 journal_end+0x2a5/0x300 fs/reiserfs/journal.c:3402
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 7991 Comm: syz-executor763 Not tainted 4.14.302-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x44 kernel/panic.c:547
 report_bug+0x208/0x250 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967
RIP: 0010:journal_end+0x2a5/0x300 fs/reiserfs/journal.c:3402
RSP: 0018:ffff88809729fb00 EFLAGS: 00010297
RAX: ffff888096142080 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8880982f4ac0 RDI: ffff88809729fb80
RBP: ffff88809729fb78 R08: 0000000000000001 R09: ffff88809729fb78
R10: ffff88809729fbaf R11: ffff888096142080 R12: ffff88809729fb8c
R13: 0000000000000000 R14: ffff88808e3407b0 R15: ffff88809729fb78
 reiserfs_truncate_file+0x189/0xdb0 fs/reiserfs/inode.c:2320
 reiserfs_file_release+0x758/0xaf0 fs/reiserfs/file.c:115
 __fput+0x25f/0x7a0 fs/file_table.c:210
 task_work_run+0x11f/0x190 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xa44/0x2850 kernel/exit.c:868
 do_group_exit+0x100/0x2e0 kernel/exit.c:965
 SYSC_exit_group kernel/exit.c:976 [inline]
 SyS_exit_group+0x19/0x20 kernel/exit.c:974
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7fe7b42b5419
RSP: 002b:00007ffdc2457cd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fe7b432b330 RCX: 00007fe7b42b5419
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe7b432b330
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/12/26 21:28 linux-4.14.y c4215ee4771b 9da18ae8 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-4-14 WARNING in journal_end
2023/02/13 13:54 linux-4.14.y a8ad60f2af58 957959cb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 WARNING in journal_end
* Struck through repros no longer work on HEAD.