------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:2494! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 6220 Comm: syz-executor Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:_ocfs2_free_suballoc_bits+0xfc6/0x11e0 fs/ocfs2/suballoc.c:2494 Code: f7 e8 3e 85 85 fe 49 8b 3e 4c 89 fe 48 8b 54 24 20 48 8b 4c 24 50 4c 8b 44 24 10 e8 34 93 00 00 e9 2d 01 00 00 e8 fa 79 34 fe <0f> 0b e8 f3 79 34 fe 0f 0b 65 44 8b 3d f9 1e b4 7c 48 c7 c0 f0 e0 RSP: 0018:ffffc90003677340 EFLAGS: 00010293 RAX: ffffffff834dfa96 RBX: 1ffff1100e020720 RCX: ffff88807c503b80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffffc900036774c8 R08: ffffffff8e1fdeef R09: 1ffffffff1c3fbdd R10: dffffc0000000000 R11: fffffbfff1c3fbde R12: ffff88807030ebc8 R13: 0000000000000002 R14: 0000000000000000 R15: ffff888066d81000 FS: 000055558fe71500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f57833d8d90 CR3: 000000006800e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ocfs2_free_suballoc_bits fs/ocfs2/suballoc.c:2531 [inline] ocfs2_free_dinode+0xad/0xd0 fs/ocfs2/suballoc.c:2546 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+0x2009/0x4630 fs/ocfs2/inode.c:1219 evict+0x4c9/0x8d0 fs/inode.c:705 d_delete_notify include/linux/fsnotify.h:267 [inline] vfs_rmdir+0x397/0x4d0 fs/namei.c:4212 do_rmdir+0x29a/0x5c0 fs/namei.c:4260 __do_sys_unlinkat fs/namei.c:4440 [inline] __se_sys_unlinkat fs/namei.c:4434 [inline] __x64_sys_unlinkat+0xc0/0xe0 fs/namei.c:4434 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f89ccb9b937 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:00007ffdd11a3d98 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f89ccb9b937 RDX: 0000000000000200 RSI: 00007ffdd11a4f40 RDI: 00000000ffffff9c RBP: 00007f89ccc32048 R08: 0000000000008560 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000207 R12: 00007ffdd11a4f40 R13: 00007f89ccc32048 R14: 00000000000569bc R15: 00007ffdd11a7100 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:_ocfs2_free_suballoc_bits+0xfc6/0x11e0 fs/ocfs2/suballoc.c:2494 Code: f7 e8 3e 85 85 fe 49 8b 3e 4c 89 fe 48 8b 54 24 20 48 8b 4c 24 50 4c 8b 44 24 10 e8 34 93 00 00 e9 2d 01 00 00 e8 fa 79 34 fe <0f> 0b e8 f3 79 34 fe 0f 0b 65 44 8b 3d f9 1e b4 7c 48 c7 c0 f0 e0 RSP: 0018:ffffc90003677340 EFLAGS: 00010293 RAX: ffffffff834dfa96 RBX: 1ffff1100e020720 RCX: ffff88807c503b80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffffc900036774c8 R08: ffffffff8e1fdeef R09: 1ffffffff1c3fbdd R10: dffffc0000000000 R11: fffffbfff1c3fbde R12: ffff88807030ebc8 R13: 0000000000000002 R14: 0000000000000000 R15: ffff888066d81000 FS: 000055558fe71500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f57833d8d90 CR3: 000000006800e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400