------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:1443! Internal error: Oops - BUG: 00000000f2000800 [#1] SMP Modules linked in: CPU: 0 UID: 0 PID: 6744 Comm: syz.1.19 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1443 [inline] pc : ocfs2_claim_suballoc_bits+0x1df4/0x1e00 fs/ocfs2/suballoc.c:1996 lr : ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1443 [inline] lr : ocfs2_claim_suballoc_bits+0x1df4/0x1e00 fs/ocfs2/suballoc.c:1996 sp : ffff8000a43167e0 x29: ffff8000a4316a20 x28: ffff0000c64b5b88 x27: ffff0000fcf5ce00 x26: dfff800000000000 x25: ffff0000c64b5b80 x24: ffff8000a4316ae0 x23: ffff700014862d14 x22: 0000000000000400 x21: ffff8000a43168a0 x20: 0000000000000000 x19: ffff0000fcf5cec6 x18: 00000000ffffffff x17: ffff800093335000 x16: ffff80008add13c8 x15: 0000000000000005 x14: 0000000000000002 x13: 0000000000000005 x12: 0000000000000000 x11: 0000000000080000 x10: 000000000000503f x9 : ffff8000a636a000 x8 : 0000000000005040 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff8000a4316ed0 x4 : ffff8000a4316ae0 x3 : 0000000000000040 x2 : 0000000000000040 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1443 [inline] (P) ocfs2_claim_suballoc_bits+0x1df4/0x1e00 fs/ocfs2/suballoc.c:1996 (P) __ocfs2_claim_clusters+0x27c/0x7c4 fs/ocfs2/suballoc.c:2421 ocfs2_claim_clusters fs/ocfs2/suballoc.c:2458 [inline] ocfs2_block_group_alloc_contig fs/ocfs2/suballoc.c:432 [inline] ocfs2_block_group_alloc fs/ocfs2/suballoc.c:699 [inline] ocfs2_reserve_suballoc_bits+0xbb4/0x3b9c fs/ocfs2/suballoc.c:834 ocfs2_reserve_new_metadata_blocks+0x368/0x810 fs/ocfs2/suballoc.c:984 ocfs2_mknod+0xbd8/0x1cf0 fs/ocfs2/namei.c:350 ocfs2_create+0x190/0x474 fs/ocfs2/namei.c:676 lookup_open fs/namei.c:3796 [inline] open_last_lookups fs/namei.c:3895 [inline] path_openat+0x12d8/0x2c40 fs/namei.c:4131 do_filp_open+0x18c/0x36c fs/namei.c:4161 do_sys_openat2+0x11c/0x1b4 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_openat fs/open.c:1468 [inline] __se_sys_openat fs/open.c:1463 [inline] __arm64_sys_openat+0x120/0x158 fs/open.c:1463 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:724 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 Code: d4210000 97952938 d4210000 97952936 (d4210000) ---[ end trace 0000000000000000 ]---