IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
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
Modules linked in:
CPU: 0 PID: 7974 Comm: syz-executor025 Not tainted 4.14.204-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880b3268180 task.stack: ffff8880b44b8000
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:ffff8880b44bfb48 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff11016897f5a
RDX: 0000000000000000 RSI: ffff8880b3268a08 RDI: ffff888095a10ce0
RBP: ffff888095a10b00 R08: ffffffff8b9c2f90 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b44bfcb8
R13: 0000000000008b04 R14: 0000000000000000 R15: ffff8880b44bfbf0
FS:  0000000000f10880(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000006d2090 CR3: 000000009a54b000 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: 0033:0x441559
RSP: 002b:00007fff1443e338 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fff1443e360 RCX: 0000000000441559
RDX: 00000000200001c0 RSI: 0000000000008b04 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000001300000000 R09: 0000001300000000
R10: 0000001300000000 R11: 0000000000000246 R12: 0000000000000032
R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004
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: ffff8880b44bfb48
RIP: ioctl_standard_call+0x19b/0x260 net/wireless/wext-core.c:1031 RSP: ffff8880b44bfb48
---[ end trace b31b4a62d7af2d76 ]---