fscrypt: AES-256-CTS-CBC using implementation "cts(cbc-aes-aesni)" overlayfs: filesystem on './file0' not supported as upperdir ------------[ cut here ]------------ kernel BUG at fs/namei.c:2894! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 581 Comm: syz.5.45 Not tainted 5.4.290-syzkaller-00017-g6b07fcd94a6a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:may_delete+0x750/0x760 fs/namei.c:2894 Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c e8 fd ff ff 4c 89 e7 e8 31 0d f6 ff e9 db fd ff ff e8 07 23 c6 ff 0f 0b e8 00 23 c6 ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 41 56 53 48 89 fb RSP: 0000:ffff8881e40a7788 EFLAGS: 00010293 RAX: ffffffff819e2800 RBX: ffff8881e9e1c238 RCX: ffff8881e400ee40 RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 RBP: ffff8881c85ece00 R08: ffffffff819e2128 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881e9e1c220 R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8881c85fe518 FS: 00007f5b7700b6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00004000006c5000 CR3: 00000001ed34b000 CR4: 00000000003406a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vfs_rmdir+0x29/0x3c0 fs/namei.c:4008 incfs_kill_sb+0x105/0x200 fs/incfs/vfs.c:1944 deactivate_locked_super+0xa8/0x110 fs/super.c:335 deactivate_super+0x1e2/0x2a0 fs/super.c:366 cleanup_mnt+0x44e/0x500 fs/namespace.c:1102 task_work_run+0x140/0x170 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0xcaf/0x2bc0 kernel/exit.c:861 do_group_exit+0x138/0x300 kernel/exit.c:984 get_signal+0xdb1/0x1440 kernel/signal.c:2738 do_signal+0xb0/0x11f0 arch/x86/kernel/signal.c:809 exit_to_usermode_loop+0xc0/0x1a0 arch/x86/entry/common.c:159 prepare_exit_to_usermode+0x199/0x200 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 RIP: 0033:0x7f5b789a1169 Code: Bad RIP value. RSP: 002b:00007f5b7700b0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f5b78bb9fa8 RCX: 00007f5b789a1169 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f5b78bb9fa8 RBP: 00007f5b78bb9fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5b78bb9fac R13: 0000000000000000 R14: 00007ffdf6896720 R15: 00007ffdf6896808 Modules linked in: ---[ end trace 7dccc60c4e3e4021 ]--- RIP: 0010:may_delete+0x750/0x760 fs/namei.c:2894 Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c e8 fd ff ff 4c 89 e7 e8 31 0d f6 ff e9 db fd ff ff e8 07 23 c6 ff 0f 0b e8 00 23 c6 ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 41 56 53 48 89 fb RSP: 0000:ffff8881e40a7788 EFLAGS: 00010293 RAX: ffffffff819e2800 RBX: ffff8881e9e1c238 RCX: ffff8881e400ee40 RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 RBP: ffff8881c85ece00 R08: ffffffff819e2128 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881e9e1c220 R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8881c85fe518 FS: 00007f5b7700b6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd614debf98 CR3: 00000001da694000 CR4: 00000000003406a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400