------------[ cut here ]------------
WARNING: CPU: 0 PID: 7934 at fs/ext4/ext4_jbd2.c:75 ext4_journal_check_start+0x243/0x2a0 fs/ext4/ext4_jbd2.c:75
Modules linked in:
CPU: 0 UID: 0 PID: 7934 Comm: syz.5.304 Not tainted 6.15.0-rc2-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:ext4_journal_check_start+0x243/0x2a0 fs/ext4/ext4_jbd2.c:75
Code: 83 c4 08 bb e2 ff ff ff 89 d8 5b 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc e8 1a 40 49 ff bb fb ff ff ff eb e4 e8 0e 40 49 ff 90 <0f> 0b 90 eb d4 e8 03 40 49 ff 90 0f 0b 90 43 80 7c 25 00 00 0f 85
RSP: 0018:ffffc9000462f400 EFLAGS: 00010287
RAX: ffffffff827a0462 RBX: 0000000000000001 RCX: 0000000000080000
RDX: ffffc9001d002000 RSI: 0000000000000809 RDI: 000000000000080a
RBP: 0000000000000001 R08: ffffffff827a0336 R09: 1ffff110069cbc70
R10: dffffc0000000000 R11: ffffed10069cbc71 R12: dffffc0000000000
R13: 1ffff11006abacc7 R14: ffff8880355d6000 R15: ffff8880355d6638
FS:  00007fe295ff66c0(0000) GS:ffff888124fc9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000003000 CR3: 00000000328f8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __ext4_journal_start_sb+0x181/0x600 fs/ext4/ext4_jbd2.c:107
 ext4_sample_last_mounted fs/ext4/file.c:863 [inline]
 ext4_file_open+0x71c/0xa10 fs/ext4/file.c:895
 do_dentry_open+0xdec/0x1960 fs/open.c:956
 vfs_open+0x3b/0x370 fs/open.c:1086
 do_open fs/namei.c:3845 [inline]
 path_openat+0x2caf/0x35d0 fs/namei.c:4004
 do_filp_open+0x284/0x4e0 fs/namei.c:4031
 do_open_execat+0x16e/0x500 fs/exec.c:893
 open_exec+0x40/0x60 fs/exec.c:930
 bm_register_write+0xb79/0x1550 fs/binfmt_misc.c:833
 vfs_write+0x2bc/0xd10 fs/read_write.c:682
 ksys_write+0x19d/0x2d0 fs/read_write.c:736
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe29818d169
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:00007fe295ff6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe2983a6080 RCX: 00007fe29818d169
RDX: 000000000000004b RSI: 0000200000000140 RDI: 0000000000000004
RBP: 00007fe29820e990 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fe2983a6080 R15: 00007fff934321a8
 </TASK>