FAT-fs (loop7): Filesystem has been set read-only ------------[ cut here ]------------ kernel BUG at fs/namei.c:2794! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 14896 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:may_delete+0x7b1/0x7c0 fs/namei.c:2794 Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c dd fd ff ff 48 89 df e8 10 24 f5 ff e9 d0 fd ff ff e8 96 35 bb ff 0f 0b e8 8f 35 bb ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 41 56 53 RSP: 0018:ffffc90000e5fca0 EFLAGS: 00010293 RAX: ffffffff81a86eb1 RBX: ffff88813e76d330 RCX: ffff888100293b40 RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 RBP: ffffc90000e5fd20 R08: dffffc0000000000 R09: ffffed1020057a21 R10: ffffed1020057a21 R11: 1ffff11020057a20 R12: ffff88811aa4d020 R13: 1ffff11027ceda66 R14: ffff88813e76d348 R15: ffff88813e481360 FS: 000055559514d500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000011b28a000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vfs_rmdir+0x2c/0x3e0 fs/namei.c:3841 incfs_kill_sb+0xfe/0x210 fs/incfs/vfs.c:1973 deactivate_locked_super+0xa0/0x100 fs/super.c:335 deactivate_super+0xaf/0xe0 fs/super.c:366 cleanup_mnt+0x446/0x500 fs/namespace.c:1123 __cleanup_mnt+0x19/0x20 fs/namespace.c:1130 task_work_run+0x127/0x190 kernel/task_work.c:189 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop+0xcb/0xe0 kernel/entry/common.c:172 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: 0033:0x7f9b9a7d1a77 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffc201bed78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9b9a7d1a77 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc201bee30 RBP: 00007ffc201bee30 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc201bff20 R13: 00007f9b9a854d7d R14: 000055559514d4a8 R15: 00007ffc201c0ff0 Modules linked in: ---[ end trace a2a1a72c9d115b2e ]--- RIP: 0010:may_delete+0x7b1/0x7c0 fs/namei.c:2794 Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c dd fd ff ff 48 89 df e8 10 24 f5 ff e9 d0 fd ff ff e8 96 35 bb ff 0f 0b e8 8f 35 bb ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 41 56 53 RSP: 0018:ffffc90000e5fca0 EFLAGS: 00010293 RAX: ffffffff81a86eb1 RBX: ffff88813e76d330 RCX: ffff888100293b40 RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 RBP: ffffc90000e5fd20 R08: dffffc0000000000 R09: ffffed1020057a21 R10: ffffed1020057a21 R11: 1ffff11020057a20 R12: ffff88811aa4d020 R13: 1ffff11027ceda66 R14: ffff88813e76d348 R15: ffff88813e481360 FS: 000055559514d500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3063de CR3: 000000011b28a000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400