------------[ cut here ]------------ WARNING: CPU: 1 PID: 10370 at fs/ext4/ext4_jbd2.c:73 ext4_journal_check_start+0x1ed/0x250 fs/ext4/ext4_jbd2.c:73 Modules linked in: CPU: 1 UID: 0 PID: 10370 Comm: syz.7.1435 Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:ext4_journal_check_start+0x1ed/0x250 fs/ext4/ext4_jbd2.c:73 Code: 41 bf e2 ff ff ff 44 89 f8 5b 41 5c 41 5d 41 5e 41 5f e9 91 6b 9d fe e8 41 97 4c ff 41 bf fb ff ff ff eb e2 e8 34 97 4c ff 90 <0f> 0b 90 eb d1 e8 29 97 4c ff 90 0f 0b 90 43 80 7c 25 00 00 0f 85 RSP: 0018:ffffc90004f6f440 EFLAGS: 00010283 RAX: ffffffff8272d58c RBX: 0000000000000001 RCX: 0000000000080000 RDX: ffffc9000d1fa000 RSI: 0000000000000675 RDI: 0000000000000676 RBP: 0000000000000001 R08: ffffffff8272d460 R09: 1ffff1100b411470 R10: dffffc0000000000 R11: ffffed100b411471 R12: dffffc0000000000 R13: 1ffff1100b4110c7 R14: ffff88805a088000 R15: ffff88805a088638 FS: 00007f3fb0e666c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbf704d56c0 CR3: 00000000289ae000 CR4: 0000000000350ef0 Call Trace: <TASK> __ext4_journal_start_sb+0x181/0x600 fs/ext4/ext4_jbd2.c:105 ext4_sample_last_mounted fs/ext4/file.c:859 [inline] ext4_file_open+0x5f5/0x8b0 fs/ext4/file.c:887 do_dentry_open+0xdee/0x1960 fs/open.c:955 vfs_open+0x3b/0x370 fs/open.c:1085 do_open fs/namei.c:3830 [inline] path_openat+0x2c81/0x3590 fs/namei.c:3989 do_filp_open+0x27f/0x4e0 fs/namei.c:4016 do_open_execat+0x165/0x4f0 fs/exec.c:895 open_exec+0x40/0x60 fs/exec.c:932 bm_register_write+0xc63/0x1630 fs/binfmt_misc.c:833 vfs_write+0x2a1/0xd10 fs/read_write.c:677 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3faff8cda9 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:00007f3fb0e66038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3fb01a6080 RCX: 00007f3faff8cda9 RDX: 000000000000002a RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007f3fb000e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f3fb01a6080 R15: 00007ffddddb6fe8 </TASK>