------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:2871! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 5794 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026 RIP: 0010:_ocfs2_free_suballoc_bits+0x2689/0x27a0 fs/ocfs2/suballoc.c:2871 Code: fe 48 8b 74 24 18 e9 41 ea ff ff 89 f9 80 e1 07 fe c1 38 c1 0f 8c 22 f5 ff ff e8 92 3d 6b fe e9 18 f5 ff ff e8 78 2f 05 fe 90 <0f> 0b e8 70 2f 05 fe e9 e8 00 00 00 44 89 f1 80 e1 07 fe c1 38 c1 RSP: 0018:ffffc90004a27220 EFLAGS: 00010293 RAX: ffffffff83bf2458 RBX: 0000000000000000 RCX: ffff88803a033d00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90004a27488 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1ed4617 R12: 0000000000000002 R13: ffff888061fc2180 R14: ffff8880630e9000 R15: dffffc0000000000 FS: 000055555af10500(0000) GS:ffff88812643f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555af3baa8 CR3: 0000000040ea4000 CR4: 00000000003526f0 Call Trace: ocfs2_free_suballoc_bits fs/ocfs2/suballoc.c:2925 [inline] ocfs2_free_dinode+0xb1/0xe0 fs/ocfs2/suballoc.c:2940 ocfs2_remove_inode fs/ocfs2/inode.c:774 [inline] ocfs2_wipe_inode fs/ocfs2/inode.c:896 [inline] ocfs2_delete_inode fs/ocfs2/inode.c:1157 [inline] ocfs2_evict_inode+0x1ebd/0x44c0 fs/ocfs2/inode.c:1299 evict+0x61e/0xb10 fs/inode.c:846 d_delete_notify include/linux/fsnotify.h:377 [inline] vfs_rmdir+0x42d/0x6f0 fs/namei.c:5351 filename_rmdir+0x292/0x520 fs/namei.c:5393 __do_sys_unlinkat fs/namei.c:5568 [inline] __se_sys_unlinkat+0x71/0x1a0 fs/namei.c:5561 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6d712cb8b7 Code: 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 b8 07 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdd2b42798 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f6d712cb8b7 RDX: 0000000000000200 RSI: 00007ffdd2b43940 RDI: 00000000ffffff9c RBP: 00007f6d71362050 R08: 0000000000008560 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000207 R12: 00007ffdd2b43940 R13: 00007f6d71362050 R14: 000000000001d48c R15: 00007ffdd2b45b00 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:_ocfs2_free_suballoc_bits+0x2689/0x27a0 fs/ocfs2/suballoc.c:2871 Code: fe 48 8b 74 24 18 e9 41 ea ff ff 89 f9 80 e1 07 fe c1 38 c1 0f 8c 22 f5 ff ff e8 92 3d 6b fe e9 18 f5 ff ff e8 78 2f 05 fe 90 <0f> 0b e8 70 2f 05 fe e9 e8 00 00 00 44 89 f1 80 e1 07 fe c1 38 c1 RSP: 0018:ffffc90004a27220 EFLAGS: 00010293 RAX: ffffffff83bf2458 RBX: 0000000000000000 RCX: ffff88803a033d00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90004a27488 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1ed4617 R12: 0000000000000002 R13: ffff888061fc2180 R14: ffff8880630e9000 R15: dffffc0000000000 FS: 000055555af10500(0000) GS:ffff88812643f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555af3baa8 CR3: 0000000040ea4000 CR4: 00000000003526f0