[moderation] [net?] [nfc?] general protection fault in nci_unregister_device

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 2a8120d7b482 Merge tag 's390-6.10-2' of git://git.kernel.o..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=15b43f84980000
kernel config: https://syzkaller.appspot.com/x/.config?x=5dd4fde1337a9e18
dashboard link: https://syzkaller.appspot.com/bug?extid=dab0c7ffecd91d20c962
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: i386
CC: [da...@davemloft.net edum...@google.com kr...@kernel.org ku...@kernel.org linux-...@vger.kernel.org net...@vger.kernel.org pab...@redhat.com]

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-2a8120d7.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/78c72ae6bdaf/vmlinux-2a8120d7.xz
kernel image: https://storage.googleapis.com/syzbot-assets/99dbb805b738/bzImage-2a8120d7.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+dab0c7...@syzkaller.appspotmail.com

Oops: general protection fault, probably for non-canonical address 0xe2571a001ffff113: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0x12b8f000ffff8898-0x12b8f000ffff889f]
CPU: 1 PID: 5439 Comm: syz-executor.2 Not tainted 6.9.0-syzkaller-10713-g2a8120d7b482 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__lock_acquire+0xe3e/0x3b30 kernel/locking/lockdep.c:5005
Code: 11 00 00 39 05 b3 cf 1f 12 0f 82 be 05 00 00 ba 01 00 00 00 e9 e4 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 82 1f 00 00 49 81 3c 24 a0 3d e3 92 0f 84 98 f2
RSP: 0018:ffffc90006267b80 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 02571e001ffff113 RSI: ffff88801e3d8000 RDI: 12b8f000ffff8898
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8fe29817 R11: 0000000000000001 R12: 12b8f000ffff8898
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff88802c100000(0063) knlGS:00000000568f9400
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000032726000 CR3: 000000005d828000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
lock_acquire kernel/locking/lockdep.c:5754 [inline]
lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
_raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170
put_pwq_unlocked kernel/workqueue.c:1662 [inline]
put_pwq_unlocked kernel/workqueue.c:1655 [inline]
destroy_workqueue+0x5df/0xaa0 kernel/workqueue.c:5851
nci_unregister_device+0xc0/0x300 net/nfc/nci/core.c:1305
virtual_ncidev_close+0x51/0xb0 drivers/nfc/virtual_ncidev.c:168
__fput+0x408/0xbb0 fs/file_table.c:422
__fput_sync+0x47/0x50 fs/file_table.c:507
__do_sys_close fs/open.c:1556 [inline]
__se_sys_close fs/open.c:1541 [inline]
__ia32_sys_close+0x86/0x100 fs/open.c:1541
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x75/0x120 arch/x86/entry/common.c:386
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7348579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000ff930a20 EFLAGS: 00000293 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000568f9400
RDX: 0000000000000000 RSI: 00000000f749eff4 RDI: 00000000ffffffff
RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__lock_acquire+0xe3e/0x3b30 kernel/locking/lockdep.c:5005
Code: 11 00 00 39 05 b3 cf 1f 12 0f 82 be 05 00 00 ba 01 00 00 00 e9 e4 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 82 1f 00 00 49 81 3c 24 a0 3d e3 92 0f 84 98 f2
RSP: 0018:ffffc90006267b80 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 02571e001ffff113 RSI: ffff88801e3d8000 RDI: 12b8f000ffff8898
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8fe29817 R11: 0000000000000001 R12: 12b8f000ffff8898
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff88802c100000(0063) knlGS:00000000568f9400
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000032726000 CR3: 000000005d828000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 11 00 adc %eax,(%rax)
2: 00 39 add %bh,(%rcx)
4: 05 b3 cf 1f 12 add $0x121fcfb3,%eax
9: 0f 82 be 05 00 00 jb 0x5cd
f: ba 01 00 00 00 mov $0x1,%edx
14: e9 e4 00 00 00 jmp 0xfd
19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
20: fc ff df
23: 4c 89 e2 mov %r12,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 0f 85 82 1f 00 00 jne 0x1fb6
34: 49 81 3c 24 a0 3d e3 cmpq $0xffffffff92e33da0,(%r12)
3b: 92
3c: 0f .byte 0xf
3d: 84 .byte 0x84
3e: 98 cwtl
3f: f2 repnz


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