loop4: detected capacity change from 0 to 32768
JBD2: Ignoring recovery information on journal
------------[ cut here ]------------
kernel BUG at fs/ocfs2/journal.c:1001!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4880 Comm: syz.4.138 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : ocfs2_journal_toggle_dirty+0x2fc/0x300 fs/ocfs2/journal.c:1001
lr : ocfs2_journal_toggle_dirty+0x2fc/0x300 fs/ocfs2/journal.c:1001
sp : ffff800021156d60
x29: ffff800021156de0 x28: ffff0000d4b88000 x27: 1fffe000180c6b27
x26: dfff800000000000 x25: 00000000ffffffff x24: 0000000000000000
x23: ffff0000f7c5d600 x22: 0000000000000000 x21: ffff0000c0635938
x20: ffff0000c0635910 x19: ffff0000d289c000 x18: ffff800011abbcc0
x17: 1fffe00033ed797e x16: ffff8000082d1108 x15: 0000000000000002
x14: 0000000000000406 x13: 1ffff00002a180b1 x12: 0000000000080000
x11: 000000000007ffff x10: ffff80002d239000 x9 : ffff800009d56bb8
x8 : 0000000000080000 x7 : ffff800008a7baec x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800008a7e228
x2 : 0000000000000000 x1 : 00000000ffffffff x0 : 0000000000000000
Call trace:
 ocfs2_journal_toggle_dirty+0x2fc/0x300 fs/ocfs2/journal.c:1001
 ocfs2_journal_wipe+0xec/0x26c fs/ocfs2/journal.c:1187
 ocfs2_check_volume fs/ocfs2/super.c:2418 [inline]
 ocfs2_mount_volume+0x828/0x1164 fs/ocfs2/super.c:1819
 ocfs2_fill_super+0x2b50/0x3e98 fs/ocfs2/super.c:1082
 mount_bdev+0x264/0x358 fs/super.c:1443
 ocfs2_mount+0x44/0x58 fs/ocfs2/super.c:1186
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
 vfs_get_tree+0x90/0x274 fs/super.c:1573
 do_new_mount+0x228/0x810 fs/namespace.c:3078
 path_mount+0x5b4/0xe78 fs/namespace.c:3408
 do_mount fs/namespace.c:3421 [inline]
 __do_sys_mount fs/namespace.c:3629 [inline]
 __se_sys_mount fs/namespace.c:3606 [inline]
 __arm64_sys_mount+0x49c/0x584 fs/namespace.c:3606
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: aa1603e0 97ae0215 17ffff94 979d2bef (d4210000) 
---[ end trace 0000000000000000 ]---