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kernel BUG at fs/namei.c:2794!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1953 Comm: syz.7.478 Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:may_delete+0x7a5/0x7b0 fs/namei.c:2794
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c cb fd ff ff 48 89 df e8 bc 09 f5 ff e9 be fd ff ff e8 b2 94 ba ff 0f 0b e8 ab 94 ba ff <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8
RSP: 0018:ffffc9000097f848 EFLAGS: 00010293
RAX: ffffffff81aa0ed5 RBX: ffff8881294bbdd0 RCX: ffff8881116e62c0
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc9000097f8c0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200012feec R12: ffff8881295a2af0
R13: 1ffff110252977ba R14: ffff888110706250 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000012552e000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_rmdir+0x29/0x3c0 fs/namei.c:3841
 incfs_kill_sb+0xf7/0x200 fs/incfs/vfs.c:1973
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x44f/0x500 fs/namespace.c:1123
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1130
 task_work_run+0x127/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xa7c/0x24e0 kernel/exit.c:873
 do_group_exit+0x149/0x310 kernel/exit.c:987
 get_signal+0xfb1/0x1300 kernel/signal.c:2794
 arch_do_signal_or_restart+0xe7/0x11b0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0xa2/0xe0 kernel/entry/common.c:169
 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:199
 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:274
 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f81890570d9
Code: Unable to access opcode bytes at RIP 0x7f81890570af.
RSP: 002b:00007f8187ab00e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f81892defa8 RCX: 00007f81890570d9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f81892defac
RBP: 00007f81892defa0 R08: 00155c555ca91c17 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f81892df038 R14: 00007ffff69fd060 R15: 00007ffff69fd148
Modules linked in:
---[ end trace 32aefbd7abd331c6 ]---
RIP: 0010:may_delete+0x7a5/0x7b0 fs/namei.c:2794
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c cb fd ff ff 48 89 df e8 bc 09 f5 ff e9 be fd ff ff e8 b2 94 ba ff 0f 0b e8 ab 94 ba ff <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8
RSP: 0018:ffffc9000097f848 EFLAGS: 00010293
RAX: ffffffff81aa0ed5 RBX: ffff8881294bbdd0 RCX: ffff8881116e62c0
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc9000097f8c0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200012feec R12: ffff8881295a2af0
R13: 1ffff110252977ba R14: ffff888110706250 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e122ff8 CR3: 000000000640f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400