ocfs2: Mounting device (7,2) on (node local, slot 0) with ordered data mode.
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:1387!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4170 Comm: syz.2.13 Not tainted 5.15.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1387 [inline]
pc : ocfs2_claim_suballoc_bits+0x1ba8/0x1d84 fs/ocfs2/suballoc.c:1927
lr : ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1387 [inline]
lr : ocfs2_claim_suballoc_bits+0x1ba8/0x1d84 fs/ocfs2/suballoc.c:1927
sp : ffff800020636320
x29: ffff800020636580 x28: 1ffff000040c6c98 x27: ffff7000040c6c7c
x26: 0000000000000000 x25: ffff8000206363e0 x24: dfff800000000000
x23: 1fffe00019b25c66 x22: 0000000000000100 x21: ffff8000206363e0
x20: 0000000000000000 x19: ffff0000ed613ec6 x18: 0000000000000000
x17: 0000000000000002 x16: ffff800011b4eaf8 x15: 00000000fffffffc
x14: ffff0000c2269b40 x13: 0000000000ff0100 x12: 0000000000080000
x11: 000000000000ec9e x10: ffff800024759000 x9 : 000000000000ec9f
x8 : ffff800009f085c4 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff8000206368d0 x4 : ffff800020636640 x3 : 0000000000000100
x2 : 0000000000000100 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1387 [inline]
 ocfs2_claim_suballoc_bits+0x1ba8/0x1d84 fs/ocfs2/suballoc.c:1927
 __ocfs2_claim_clusters+0x294/0x8c4 fs/ocfs2/suballoc.c:2338
 ocfs2_claim_clusters+0x8c/0xc4 fs/ocfs2/suballoc.c:2375
 ocfs2_local_alloc_new_window fs/ocfs2/localalloc.c:1170 [inline]
 ocfs2_local_alloc_slide_window fs/ocfs2/localalloc.c:1299 [inline]
 ocfs2_reserve_local_alloc_bits+0x1014/0x2474 fs/ocfs2/localalloc.c:668
 ocfs2_reserve_clusters_with_limit+0x194/0xabc fs/ocfs2/suballoc.c:1162
 ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1223 [inline]
 ocfs2_lock_allocators+0x294/0x584 fs/ocfs2/suballoc.c:2669
 ocfs2_write_begin_nolock+0x2274/0x3e1c fs/ocfs2/aops.c:1741
 ocfs2_write_begin+0x1ac/0x38c fs/ocfs2/aops.c:1905
 generic_perform_write+0x24c/0x520 mm/filemap.c:3785
 __generic_file_write_iter+0x230/0x454 mm/filemap.c:3912
 ocfs2_file_write_iter+0x1540/0x1e60 fs/ocfs2/file.c:2472
 call_write_iter include/linux/fs.h:2174 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x884/0xb44 fs/read_write.c:594
 ksys_write+0x15c/0x26c fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:656
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: d4210000 9796ef8e d4210000 9796ef8c (d4210000) 
---[ end trace 64b5571a1b3e942f ]---