------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:2484! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4172 Comm: syz-executor Not tainted 5.15.185-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:_ocfs2_free_suballoc_bits+0xe9c/0x1060 fs/ocfs2/suballoc.c:2484 Code: ff e8 58 5f 9a fe 49 8b 3f 4c 89 f6 48 8b 54 24 20 48 8b 4c 24 40 4c 8b 44 24 18 e8 8e 8c 00 00 e9 27 01 00 00 e8 24 e7 54 fe <0f> 0b e8 1d e7 54 fe 0f 0b 65 44 8b 35 4b 3a df 7c bf 07 00 00 00 RSP: 0018:ffffc90002f0f360 EFLAGS: 00010293 RAX: ffffffff8322dafc RBX: 1ffff1100bc25000 RCX: ffff8880666d1dc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffffc90002f0f4e8 R08: dffffc0000000000 R09: fffffbfff1ad157e R10: fffffbfff1ad157e R11: 1ffffffff1ad157d R12: ffff88805e128878 R13: 0000000000000002 R14: 0000000000000000 R15: ffff88804fcd2000 FS: 000055555e081500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000002e1030 CR3: 0000000061eff000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ocfs2_free_suballoc_bits fs/ocfs2/suballoc.c:2521 [inline] ocfs2_free_dinode+0xad/0xd0 fs/ocfs2/suballoc.c:2536 ocfs2_remove_inode fs/ocfs2/inode.c:696 [inline] ocfs2_wipe_inode fs/ocfs2/inode.c:818 [inline] ocfs2_delete_inode fs/ocfs2/inode.c:1079 [inline] ocfs2_evict_inode+0x1b49/0x3e40 fs/ocfs2/inode.c:1216 evict+0x485/0x870 fs/inode.c:647 d_delete_notify include/linux/fsnotify.h:267 [inline] vfs_rmdir+0x3b4/0x430 fs/namei.c:4162 do_rmdir+0x295/0x710 fs/namei.c:4210 __do_sys_unlinkat fs/namei.c:4390 [inline] __se_sys_unlinkat fs/namei.c:4384 [inline] __x64_sys_unlinkat+0xc0/0xe0 fs/namei.c:4384 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f7ebae5ff07 Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 07 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd74e7abb8 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f7ebae5ff07 RDX: 0000000000000200 RSI: 00007ffd74e7bd60 RDI: 00000000ffffff9c RBP: 00007f7ebaee2925 R08: 000055555e0a466b R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000207 R12: 00007ffd74e7bd60 R13: 00007f7ebaee2925 R14: 0000000000019d9d R15: 00007ffd74e7df20 Modules linked in: ---[ end trace 35673d4d9808a31f ]--- RIP: 0010:_ocfs2_free_suballoc_bits+0xe9c/0x1060 fs/ocfs2/suballoc.c:2484 Code: ff e8 58 5f 9a fe 49 8b 3f 4c 89 f6 48 8b 54 24 20 48 8b 4c 24 40 4c 8b 44 24 18 e8 8e 8c 00 00 e9 27 01 00 00 e8 24 e7 54 fe <0f> 0b e8 1d e7 54 fe 0f 0b 65 44 8b 35 4b 3a df 7c bf 07 00 00 00 RSP: 0018:ffffc90002f0f360 EFLAGS: 00010293 RAX: ffffffff8322dafc RBX: 1ffff1100bc25000 RCX: ffff8880666d1dc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffffc90002f0f4e8 R08: dffffc0000000000 R09: fffffbfff1ad157e R10: fffffbfff1ad157e R11: 1ffffffff1ad157d R12: ffff88805e128878 R13: 0000000000000002 R14: 0000000000000000 R15: ffff88804fcd2000 FS: 000055555e081500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff182e2e7f CR3: 0000000061eff000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400