------------[ cut here ]------------
WARNING: CPU: 0 PID: 11858 at fs/ext4/ext4_jbd2.c:73 ext4_journal_check_start+0x1de/0x2b0 fs/ext4/ext4_jbd2.c:73
Modules linked in:
CPU: 0 UID: 0 PID: 11858 Comm: syz.4.1324 Not tainted 6.14.0-rc2-syzkaller-00034-gfebbc555cf0f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:ext4_journal_check_start+0x1de/0x2b0 fs/ext4/ext4_jbd2.c:73
Code: 89 d8 5b 5d 41 5c 41 5d e9 5a da a6 fe e8 8a 6c 50 ff bb fb ff ff ff 89 d8 5b 5d 41 5c 41 5d e9 43 da a6 fe e8 73 6c 50 ff 90 <0f> 0b 90 bb e2 ff ff ff eb c7 e8 63 6c 50 ff 90 0f 0b 90 e9 2e ff
RSP: 0018:ffffc90003857680 EFLAGS: 00010287
RAX: 0000000000001f3c RBX: ffff88805f498000 RCX: ffffc9000d55c000
RDX: 0000000000080000 RSI: ffffffff826966cd RDI: 0000000000000007
RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000001 R11: 1ffff1102835344a R12: ffff88805f498638
R13: ffff88805f49a000 R14: 000000000003da8c R15: ffffffff826c9a16
FS:  00007f0b78a536c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0b78a52f98 CR3: 0000000068c1a000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __ext4_journal_start_sb+0xbe/0x660 fs/ext4/ext4_jbd2.c:105
 ext4_sample_last_mounted fs/ext4/file.c:859 [inline]
 ext4_file_open+0x636/0xe00 fs/ext4/file.c:887
 do_dentry_open+0x738/0x1c40 fs/open.c:956
 vfs_open+0x82/0x3f0 fs/open.c:1086
 do_open fs/namei.c:3830 [inline]
 path_openat+0x1e88/0x2d80 fs/namei.c:3989
 do_filp_open+0x20c/0x470 fs/namei.c:4016
 do_open_execat+0xfa/0x450 fs/exec.c:895
 open_exec+0x45/0x80 fs/exec.c:932
 bm_register_write+0xe57/0x18c0 fs/binfmt_misc.c:833
 vfs_write+0x24f/0x1150 fs/read_write.c:677
 ksys_write+0x12b/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0b77b8cde9
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:00007f0b78a53038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f0b77da6080 RCX: 00007f0b77b8cde9
RDX: 000000000000002a RSI: 0000400000000000 RDI: 0000000000000004
RBP: 00007f0b77c0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f0b77da6080 R15: 00007fffe2e03828
 </TASK>