------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:2584! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 1 UID: 0 PID: 5865 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:_ocfs2_free_suballoc_bits+0x1176/0x1330 fs/ocfs2/suballoc.c:2584 Code: e7 e8 ce c3 7b fe 49 8b 3c 24 4c 89 fe 4c 89 f2 48 8b 4c 24 48 4c 8b 44 24 20 e8 35 9f 00 00 e9 10 01 00 00 e8 5b 5a 18 fe 90 <0f> 0b e8 53 5a 18 fe 90 0f 0b f3 0f 1e fa 65 8b 1d 49 ff f8 0e bf RSP: 0018:ffffc900030f7300 EFLAGS: 00010293 RAX: ffffffff83a750d5 RBX: 0000000000000002 RCX: ffff88802e72da00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffffc900030f74a8 R08: ffffffff8fa38337 R09: 1ffffffff1f47066 R10: dffffc0000000000 R11: fffffbfff1f47067 R12: ffff88802f224e80 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880523b0878 FS: 000055556d0d2500(0000) GS:ffff888125d1b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c32782e CR3: 000000005b3fa000 CR4: 0000000000350ef0 Call Trace: ocfs2_free_suballoc_bits fs/ocfs2/suballoc.c:2624 [inline] ocfs2_free_dinode+0xb1/0xe0 fs/ocfs2/suballoc.c:2639 ocfs2_remove_inode fs/ocfs2/inode.c:772 [inline] ocfs2_wipe_inode fs/ocfs2/inode.c:894 [inline] ocfs2_delete_inode fs/ocfs2/inode.c:1155 [inline] ocfs2_evict_inode+0x1dba/0x40e0 fs/ocfs2/inode.c:1292 evict+0x504/0x9c0 fs/inode.c:810 d_delete_notify include/linux/fsnotify.h:377 [inline] vfs_rmdir+0x3ec/0x520 fs/namei.c:4474 do_rmdir+0x25f/0x550 fs/namei.c:4516 __do_sys_unlinkat fs/namei.c:4690 [inline] __se_sys_unlinkat fs/namei.c:4684 [inline] __x64_sys_unlinkat+0xc2/0xf0 fs/namei.c:4684 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f955b98e1c7 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:00007ffed52c1778 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f955b98e1c7 RDX: 0000000000000200 RSI: 00007ffed52c2920 RDI: 00000000ffffff9c RBP: 00007f955ba11c05 R08: 000055556d0f566b R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000207 R12: 00007ffed52c2920 R13: 00007f955ba11c05 R14: 000000000002d0d1 R15: 00007ffed52c4ae0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:_ocfs2_free_suballoc_bits+0x1176/0x1330 fs/ocfs2/suballoc.c:2584 Code: e7 e8 ce c3 7b fe 49 8b 3c 24 4c 89 fe 4c 89 f2 48 8b 4c 24 48 4c 8b 44 24 20 e8 35 9f 00 00 e9 10 01 00 00 e8 5b 5a 18 fe 90 <0f> 0b e8 53 5a 18 fe 90 0f 0b f3 0f 1e fa 65 8b 1d 49 ff f8 0e bf RSP: 0018:ffffc900030f7300 EFLAGS: 00010293 RAX: ffffffff83a750d5 RBX: 0000000000000002 RCX: ffff88802e72da00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffffc900030f74a8 R08: ffffffff8fa38337 R09: 1ffffffff1f47066 R10: dffffc0000000000 R11: fffffbfff1f47067 R12: ffff88802f224e80 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880523b0878 FS: 000055556d0d2500(0000) GS:ffff888125c1b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f41c8a96f98 CR3: 000000005b3fa000 CR4: 0000000000350ef0