R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff9f0a52ff R14: 00007f191c1c4300 R15: 0000000000022000
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 9194 Comm: kworker/0:4 Not tainted 4.19.202-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events netlink_sock_destruct_work
RIP: 0010:klist_iter_exit+0x21/0x80 lib/klist.c:314
Code: 66 0f 1f 84 00 00 00 00 00 41 54 55 53 48 89 fb e8 74 cf 74 f9 48 8d 6b 08 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 <80> 3c 02 00 75 40 4c 8b 63 08 4d 85 e4 74 2e e8 4b cf 74 f9 31 f6
RSP: 0018:ffff888042defc48 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff87edb31c RDI: 0000000000000000
RBP: 0000000000000008 R08: 0000000000000000 R09: fffffbfff15cf778
R10: ffffffff8ae7bbc7 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff896f0740 R14: ffff8880ba02a840 R15: ffff8880ba02f000
FS:  0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000970004 CR3: 00000000457fb000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000000000000060a
Call Trace:
 nfc_device_iter_exit net/nfc/nfc.h:133 [inline]
 nfc_genl_dump_devices_done+0x31/0x50 net/nfc/netlink.c:658
 genl_lock_done+0x82/0xc0 net/netlink/genetlink.c:495
 netlink_sock_destruct+0x96/0x280 net/netlink/af_netlink.c:398
 __sk_destruct+0x4b/0x8a0 net/core/sock.c:1559
 sk_destruct net/core/sock.c:1599 [inline]
 __sk_free+0x165/0x3b0 net/core/sock.c:1610
 sk_free+0x3b/0x50 net/core/sock.c:1621
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Modules linked in:
---[ end trace 1e5e989c05b339ab ]---
RIP: 0010:klist_iter_exit+0x21/0x80 lib/klist.c:314
Code: 66 0f 1f 84 00 00 00 00 00 41 54 55 53 48 89 fb e8 74 cf 74 f9 48 8d 6b 08 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 <80> 3c 02 00 75 40 4c 8b 63 08 4d 85 e4 74 2e e8 4b cf 74 f9 31 f6
audit: type=1800 audit(1628513972.351:227): pid=18612 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.3" name="bus" dev="sda1" ino=14714 res=0
RSP: 0018:ffff888042defc48 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff87edb31c RDI: 0000000000000000
RBP: 0000000000000008 R08: 0000000000000000 R09: fffffbfff15cf778
R10: ffffffff8ae7bbc7 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff896f0740 R14: ffff8880ba02a840 R15: ffff8880ba02f000
FS:  0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000518d70 CR3: 000000003d7eb000 CR4: 00000000001406f0
mmap: syz-executor.5 (18620): VmData 37515264 exceed data ulimit 8. Update limits or use boot option ignore_rlimit_data.
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
audit: type=1804 audit(1628513972.529:228): pid=18592 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir592235580/syzkaller.U0ggtK/234/bus" dev="sda1" ino=14391 res=1
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000000000000060a