syzbot

         option from the mount to silence this warning.
=======================================================
ocfs2: Mounting device (7,0) 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: 4522 Comm: syz.0.17 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+0x17e4/0x1810 fs/ocfs2/aops.c:1241
lr : ocfs2_write_cluster fs/ocfs2/aops.c:1180 [inline]
lr : ocfs2_write_cluster_by_desc+0x17e4/0x1810 fs/ocfs2/aops.c:1241
sp : ffff800020b46c80
x29: ffff800020b46fa0 x28: ffff0000dedcc030 x27: dfff800000000000
x26: ffff0000dedcc028 x25: ffff800020b46dc0 x24: ffff0000e4fbc178
x23: 0000000000000004 x22: 0000000000000000 x21: ffff0000e4fbc1a0
x20: 0000000000000000 x19: 0000000000000000 x18: ffff800011a5bd40
x17: ffff800018184000 x16: ffff8000082e9244 x15: 0000000000000000
x14: 00000000fffffffc x13: 1ffff00002a0a0b1 x12: 0000000000ff0100
x11: ff00800009ce9cd4 x10: 0000000000000000 x9 : ffff800009ce9cd4
x8 : ffff0000dea29bc0 x7 : ffff800009d294b4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082e9358
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 ocfs2_write_cluster fs/ocfs2/aops.c:1180 [inline]
 ocfs2_write_cluster_by_desc+0x17e4/0x1810 fs/ocfs2/aops.c:1241
 ocfs2_write_begin_nolock+0x28e8/0x3ab4 fs/ocfs2/aops.c:1817
 ocfs2_write_begin+0x1b4/0x30c fs/ocfs2/aops.c:1904
 generic_perform_write+0x230/0x4e4 mm/filemap.c:3862
 __generic_file_write_iter+0x130/0x250 mm/filemap.c:3960
 ocfs2_file_write_iter+0x1300/0x1bf4 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+0x5ac/0x7c4 fs/read_write.c:584
 ksys_pwrite64 fs/read_write.c:699 [inline]
 __do_sys_pwrite64 fs/read_write.c:709 [inline]
 __se_sys_pwrite64 fs/read_write.c:706 [inline]
 __arm64_sys_pwrite64+0x170/0x200 fs/read_write.c:706
 __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: 52808fe2 9405f5a1 d4210000 979ee50c (d4210000) 
---[ end trace 0000000000000000 ]---