------------[ cut here ]------------
WARNING: CPU: 0 PID: 8511 at fs/ext4/ext4_jbd2.c:76 ext4_journal_check_start+0x24f/0x2b0 fs/ext4/ext4_jbd2.c:76
Modules linked in:
CPU: 0 UID: 0 PID: 8511 Comm: syz.2.345 Not tainted 6.16.0-rc4-syzkaller-00108-g17bbde2e1716 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:ext4_journal_check_start+0x24f/0x2b0 fs/ext4/ext4_jbd2.c:76
Code: 5b 41 5c 41 5d 41 5e 41 5f 5d e9 fc 49 f8 08 cc e8 26 d5 55 ff 41 bf fb ff ff ff eb e0 e8 19 d5 55 ff eb d3 e8 12 d5 55 ff 90 <0f> 0b 90 eb c8 e8 07 d5 55 ff 90 0f 0b 90 43 80 7c 25 00 00 0f 85
RSP: 0018:ffffc900047c7398 EFLAGS: 00010287
RAX: ffffffff826a787e RBX: ffff888024fac000 RCX: 0000000000080000
RDX: ffffc9000edda000 RSI: 0000000000000886 RDI: 0000000000000887
RBP: 0000000000000364 R08: ffff888024faa387 R09: 1ffff110049f5470
R10: dffffc0000000000 R11: ffffed10049f5471 R12: dffffc0000000000
R13: 1ffff110049f58c8 R14: ffff888024fac640 R15: 0000000000000001
FS:  00007f3814db46c0(0000) GS:ffff888125c84000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559e0ddd9048 CR3: 0000000028960000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __ext4_journal_start_sb+0x16b/0x5c0 fs/ext4/ext4_jbd2.c:108
 ext4_sample_last_mounted fs/ext4/file.c:868 [inline]
 ext4_file_open+0x72c/0xa40 fs/ext4/file.c:900
 do_dentry_open+0xdf3/0x1970 fs/open.c:964
 vfs_open+0x3b/0x340 fs/open.c:1094
 do_open fs/namei.c:3896 [inline]
 path_openat+0x2ee5/0x3830 fs/namei.c:4055
 do_filp_open+0x1fa/0x410 fs/namei.c:4082
 do_open_execat+0x135/0x450 fs/exec.c:780
 open_exec+0x40/0x60 fs/exec.c:817
 bm_register_write+0x2d1/0x1750 fs/binfmt_misc.c:833
 vfs_write+0x27b/0xa90 fs/read_write.c:684
 ksys_write+0x145/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3816f8e929
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:00007f3814db4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f38171b6160 RCX: 00007f3816f8e929
RDX: 000000000000004b RSI: 0000200000000140 RDI: 0000000000000006
RBP: 00007f3817010b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f38171b6160 R15: 00007fff5d27c7e8
 </TASK>