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
EXT4-fs error (device loop2): ext4_quota_enable:5709: comm syz-executor.2: Bad quota inode # 3
Modules linked in:
CPU: 0 PID: 14254 Comm: syz-executor.3 Not tainted 4.14.202-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88805f73e400 task.stack: ffff88804ea60000
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:ffff88804ea67b48 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000aedb000
RDX: 0000000000000000 RSI: ffffffff86cbd871 RDI: ffff88805f7210a0
RBP: ffff88805f720ec0 R08: ffff8880ba52abf0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88804ea67cb8
R13: 0000000000008b04 R14: 0000000000000000 R15: ffff88804ea67bf0
FS:  00007f7ce791b700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000016a9e60 CR3: 000000009cb59000 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
EXT4-fs warning (device loop2): ext4_enable_quotas:5749: Failed to enable quota tracking (type=-1, err=-116). Please run e2fsck to fix.
EXT4-fs (loop2): mount failed
 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: 0033:0x45de59
RSP: 002b:00007f7ce791ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000013440 RCX: 000000000045de59
RDX: 00000000200002c0 RSI: 0000000000008b04 RDI: 000000000000000c
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffdc593d72f R14: 00007f7ce791b9c0 R15: 000000000118bf2c
Code: 
BTRFS: device fsid 62a8c8c6-5f16-4b21-bcd6-2e7662f68358 
ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 
devid 1 transid 7 /dev/loop4
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: ffff88804ea67b48
RIP: ioctl_standard_call+0x19b/0x260 net/wireless/wext-core.c:1031 RSP: ffff88804ea67b48
---[ end trace 627ca5aa0daca283 ]---