--------- ------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:2918! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 18745 Comm: syz-executor Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2026 RIP: 0010:_ocfs2_free_suballoc_bits+0x26c2/0x27a0 fs/ocfs2/suballoc.c:2918 Code: 20 48 8b 54 24 68 e9 34 ea ff ff 89 f9 80 e1 07 fe c1 38 c1 0f 8c 0f f5 ff ff e8 29 d3 41 fe e9 05 f5 ff ff e8 ff c1 d1 fd 90 <0f> 0b e8 f7 c1 d1 fd e9 a9 00 00 00 89 d9 80 e1 07 fe c1 38 c1 0f RSP: 0018:ffffc900066df220 EFLAGS: 00010293 RAX: ffffffff83f64d51 RBX: 0000000000000000 RCX: ffff88802a593e80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffffc900066df4a8 R08: ffffffff907a657f R09: 1ffffffff20f4caf R10: dffffc0000000000 R11: fffffbfff20f4cb0 R12: ffff88804f6a7000 R13: 0000000000000002 R14: dffffc0000000000 R15: ffff88805173ae28 FS: 000055556b4de500(0000) GS:ffff888124cc6000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd46b7bcff8 CR3: 0000000057ff7000 CR4: 0000000000350ef0 Call Trace: ocfs2_free_suballoc_bits fs/ocfs2/suballoc.c:2972 [inline] ocfs2_free_dinode+0xb1/0xe0 fs/ocfs2/suballoc.c:2987 ocfs2_remove_inode fs/ocfs2/inode.c:808 [inline] ocfs2_wipe_inode fs/ocfs2/inode.c:930 [inline] ocfs2_delete_inode fs/ocfs2/inode.c:1191 [inline] ocfs2_evict_inode+0x1dee/0x4390 fs/ocfs2/inode.c:1333 evict+0x624/0xb50 fs/inode.c:822 d_delete_notify include/linux/fsnotify.h:381 [inline] vfs_rmdir+0x413/0x6a0 fs/namei.c:5528 filename_rmdir+0x292/0x520 fs/namei.c:5572 __do_sys_unlinkat fs/namei.c:5747 [inline] __se_sys_unlinkat+0x71/0x1a0 fs/namei.c:5740 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f30e559d277 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:00007ffee3d9ea98 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f30e559d277 RDX: 0000000000000200 RSI: 00007ffee3d9fc40 RDI: 00000000ffffff9c RBP: 00007f30e56344bb R08: 0000000000008550 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000207 R12: 00007ffee3d9fc40 R13: 00007f30e56344bb R14: 000000000018439b R15: 00007ffee3da1e00 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:_ocfs2_free_suballoc_bits+0x26c2/0x27a0 fs/ocfs2/suballoc.c:2918 Code: 20 48 8b 54 24 68 e9 34 ea ff ff 89 f9 80 e1 07 fe c1 38 c1 0f 8c 0f f5 ff ff e8 29 d3 41 fe e9 05 f5 ff ff e8 ff c1 d1 fd 90 <0f> 0b e8 f7 c1 d1 fd e9 a9 00 00 00 89 d9 80 e1 07 fe c1 38 c1 0f RSP: 0018:ffffc900066df220 EFLAGS: 00010293 RAX: ffffffff83f64d51 RBX: 0000000000000000 RCX: ffff88802a593e80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffffc900066df4a8 R08: ffffffff907a657f R09: 1ffffffff20f4caf R10: dffffc0000000000 R11: fffffbfff20f4cb0 R12: ffff88804f6a7000 R13: 0000000000000002 R14: dffffc0000000000 R15: ffff88805173ae28 FS: 000055556b4de500(0000) GS:ffff888124cc6000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fac34990ff8 CR3: 0000000057ff7000 CR4: 0000000000350ef0