EXT4-fs (loop0): Test dummy encryption mode enabled
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
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WARNING: CPU: 1 PID: 8790 at fs/ext4/ext4_jbd2.c:73 ext4_journal_check_start+0x1eb/0x250 fs/ext4/ext4_jbd2.c:73
Modules linked in:
CPU: 1 PID: 8790 Comm: syz.0.1038 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:ext4_journal_check_start+0x1eb/0x250 fs/ext4/ext4_jbd2.c:73
Code: 48 83 c4 08 41 bf e2 ff ff ff 44 89 f8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 42 7f 59 ff 41 bf fb ff ff ff eb e5 e8 35 7f 59 ff <0f> 0b eb d6 e8 2c 7f 59 ff 0f 0b 43 80 7c 25 00 00 0f 85 0b ff ff
RSP: 0018:ffffc9000b60f658 EFLAGS: 00010287
RAX: ffffffff822e117b RBX: ffff8880791d0000 RCX: 0000000000080000
RDX: ffffc9000e5ac000 RSI: 000000000002f72f RDI: 000000000002f730
RBP: 0000000000000bfe R08: ffff8880791d2417 R09: 1ffff1100f23a482
R10: dffffc0000000000 R11: ffffed100f23a483 R12: dffffc0000000000
R13: 1ffff1100f23a0c6 R14: ffff8880791d0630 R15: 0000000000000001
FS:  00007faeafcbf6c0(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c313818 CR3: 0000000066e58000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 __ext4_journal_start_sb+0x147/0x560 fs/ext4/ext4_jbd2.c:105
 __ext4_new_inode+0x13c7/0x3aa0 fs/ext4/ialloc.c:1091
 ext4_mkdir+0x40b/0xc90 fs/ext4/namei.c:3068
 vfs_mkdir+0x2a5/0x470 fs/namei.c:4168
 cachefiles_get_directory+0x231/0xa70 fs/cachefiles/namei.c:133
 cachefiles_add_cache+0xa88/0xd50 fs/cachefiles/cache.c:127
 cachefiles_daemon_write+0x5f9/0x6b0 fs/cachefiles/daemon.c:344
 vfs_write+0x299/0x9a0 fs/read_write.c:582
 ksys_write+0x151/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7faeaed9e199
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007faeafcbf028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007faeaf025fa0 RCX: 00007faeaed9e199
RDX: 0000000000000004 RSI: 0000200000000700 RDI: 0000000000000004
RBP: 00007faeaee35888 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007faeaf026038 R14: 00007faeaf025fa0 R15: 00007ffcfcab7678
 </TASK>