VFS: Lookup of '.incomplete' in exfat loop4 would have caused loop
VFS: Lookup of '.incomplete' in exfat loop4 would have caused loop
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kernel BUG at fs/namei.c:2956!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 294 Comm: syz-executor Not tainted 6.1.112-syzkaller-00022-g5b095ade1229 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:may_delete+0x6eb/0x6f0 fs/namei.c:2956
Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 7f fe ff ff 4c 89 e7 e8 c6 6b f3 ff e9 72 fe ff ff e8 2c 00 ac ff 0f 0b e8 25 00 ac ff <0f> 0b 0f 1f 00 55 48 89 e5 41 56 53 48 89 fb e8 11 00 ac ff 4c 8d
RSP: 0018:ffffc9000dadfa38 EFLAGS: 00010293
RAX: ffffffff81c9a58b RBX: ffff88810fdcbad0 RCX: ffff888110035100
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc9000dadfaa0 R08: ffffffff81c99f1f R09: fffff52001b5bf39
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811785f000
R13: 1ffff11022f0be00 R14: ffff888117b4e1d0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f333ddff370 CR3: 000000013c0df000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vfs_rmdir+0x32/0x500 fs/namei.c:4172
 incfs_kill_sb+0x1b4/0x230 fs/incfs/vfs.c:1999
 deactivate_locked_super+0xad/0x110 fs/super.c:334
 deactivate_super+0xbe/0xf0 fs/super.c:365
 cleanup_mnt+0x485/0x510 fs/namespace.c:1186
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1193
 task_work_run+0x24d/0x2e0 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0xbd5/0x2b80 kernel/exit.c:877
 do_group_exit+0x21a/0x2d0 kernel/exit.c:1027
 __do_sys_exit_group kernel/exit.c:1038 [inline]
 __se_sys_exit_group kernel/exit.c:1036 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1036
 x64_sys_call+0x610/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa2f257e819
Code: Unable to access opcode bytes at 0x7fa2f257e7ef.
RSP: 002b:00007ffe076c6128 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fa2f25f1621 RCX: 00007fa2f257e819
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000028 R08: 00007ffe076c3ec6 R09: 00007ffe076c73e0
R10: 000000000000000a R11: 0000000000000246 R12: 00007ffe076c73e0
R13: 00007fa2f25f15fc R14: 000000000001b1a7 R15: 00007ffe076cb770
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:may_delete+0x6eb/0x6f0 fs/namei.c:2956
Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 7f fe ff ff 4c 89 e7 e8 c6 6b f3 ff e9 72 fe ff ff e8 2c 00 ac ff 0f 0b e8 25 00 ac ff <0f> 0b 0f 1f 00 55 48 89 e5 41 56 53 48 89 fb e8 11 00 ac ff 4c 8d
RSP: 0018:ffffc9000dadfa38 EFLAGS: 00010293
RAX: ffffffff81c9a58b RBX: ffff88810fdcbad0 RCX: ffff888110035100
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc9000dadfaa0 R08: ffffffff81c99f1f R09: fffff52001b5bf39
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811785f000
R13: 1ffff11022f0be00 R14: ffff888117b4e1d0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe543d1b58 CR3: 000000011fd0b000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400