loop4: detected capacity change from 0 to 32768
ocfs2: Mounting device (7,4) on (node local, slot 0) with writeback data mode.
------------[ cut here ]------------
kernel BUG at fs/ocfs2/aops.c:1180!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 5960 Comm: syz.4.347 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : ocfs2_write_cluster fs/ocfs2/aops.c:1180 [inline]
pc : ocfs2_write_cluster_by_desc+0x1854/0x1880 fs/ocfs2/aops.c:1241
lr : ocfs2_write_cluster fs/ocfs2/aops.c:1180 [inline]
lr : ocfs2_write_cluster_by_desc+0x1854/0x1880 fs/ocfs2/aops.c:1241
sp : ffff800021cd6c20
x29: ffff800021cd6f40 x28: 0000000000000000 x27: ffff800021cd6d60
x26: dfff800000000000 x25: 0000000000001000 x24: ffff70000439adac
x23: 0000000000000004 x22: ffff00010051b658 x21: 0000000000000000
x20: ffff0001004c3360 x19: 0000000000000000 x18: ffff800011b7bf60
x17: ffff800018338000 x16: ffff8000082ef028 x15: 0000000000000002
x14: 0000000000000001 x13: 1fffe0002009863c x12: 0000000000080000
x11: 000000000001a30a x10: ffff80002a466000 x9 : ffff800009d120b0
x8 : 000000000001a30b x7 : ffff800009d528bc x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082ef13c
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 ocfs2_write_cluster fs/ocfs2/aops.c:1180 [inline]
 ocfs2_write_cluster_by_desc+0x1854/0x1880 fs/ocfs2/aops.c:1241
 ocfs2_write_begin_nolock+0x2778/0x3a44 fs/ocfs2/aops.c:1817
 ocfs2_write_begin+0x1b8/0x31c fs/ocfs2/aops.c:1904
 generic_perform_write+0x234/0x4f4 mm/filemap.c:3862
 __generic_file_write_iter+0x130/0x250 mm/filemap.c:3960
 ocfs2_file_write_iter+0x138c/0x1c64 fs/ocfs2/file.c:2469
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x3ec/0x7f0 fs/read_write.c:584
 ksys_write+0x12c/0x224 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:646
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 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: f9402fe8 39007914 d4210000 979e638c (d4210000) 
---[ end trace 0000000000000000 ]---