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: 23496 Comm: syz-executor.4 Not tainted 4.14.204-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff888060d62580 task.stack: ffff888063a58000 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:ffff888063a5fb48 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000acfe000 RDX: 0000000000000000 RSI: ffffffff86cc0c41 RDI: ffff8880b03a52e0 RBP: ffff8880b03a5100 R08: ffff8880ba42abf0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888063a5fcb8 R13: 0000000000008b04 R14: 0000000000000000 R15: ffff888063a5fbf0 FS: 00007f577a950700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdf8beffd0 CR3: 0000000064a17000 CR4: 00000000001426f0 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:00007f577a94fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000013440 RCX: 000000000045deb9 RDX: 00000000200000c0 RSI: 0000000000008b04 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffc7954978f R14: 00007f577a9509c0 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: ffff888063a5fb48 RIP: ioctl_standard_call+0x19b/0x260 net/wireless/wext-core.c:1031 RSP: ffff888063a5fb48 ---[ end trace 6e1a85f849700f57 ]---