netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'.
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
BTRFS error (device loop2): superblock checksum mismatch
audit: type=1804 audit(1604233648.492:11374): pid=15021 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir158772115/syzkaller.itbY3X/133/file0" dev="sda1" ino=16978 res=1
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 15027 Comm: syz-executor.3 Not tainted 4.14.203-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88809952a5c0 task.stack: ffff8880b4a28000
RIP: 0010:call_commit_handler net/wireless/wext-core.c:902 [inline]
RIP: 0010:ioctl_standard_call+0x19b/0x260 net/wireless/wext-core.c:1031
RSP: 0018:ffff8880b4a2fb48 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90009fef000
RDX: 0000000000000000 RSI: ffffffff86cbfc41 RDI: ffff88805b4b4f60
RBP: ffff88805b4b4d80 R08: ffff8880ba52abf0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b4a2fcb8
R13: 0000000000008b04 R14: 0000000000000000 R15: ffff8880b4a2fbf0
FS:  00007fa6cddb9700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a28d58cb0f CR3: 000000009e6f3000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 wireless_process_ioctl+0x312/0x450 net/wireless/wext-core.c:956
 wext_ioctl_dispatch net/wireless/wext-core.c:989 [inline]
 wext_ioctl_dispatch net/wireless/wext-core.c:977 [inline]
 wext_handle_ioctl+0x17e/0x190 net/wireless/wext-core.c:1045
 dev_ioctl+0x24c/0xbe0 net/core/dev_ioctl.c:444
 sock_do_ioctl net/socket.c:981 [inline]
 sock_ioctl+0x164/0x4c0 net/socket.c:1071
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007fa6cddb8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000013440 RCX: 000000000045deb9
RDX: 00000000200002c0 RSI: 0000000000008b04 RDI: 0000000000000005
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe28b509cf R14: 00007fa6cddb99c0 R15: 000000000118bf2c
Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 c8 00 00 00 48 8b 9d e0 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 99 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 
RIP: call_commit_handler net/wireless/wext-core.c:902 [inline] RSP: ffff8880b4a2fb48
RIP: ioctl_standard_call+0x19b/0x260 net/wireless/wext-core.c:1031 RSP: ffff8880b4a2fb48
BTRFS error (device loop2): open_ctree failed
---[ end trace 00c19262f0cc4d18 ]---