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 CPU: 0 PID: 8099 Comm: syz-executor675 Not tainted 4.19.152-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:call_commit_handler net/wireless/wext-core.c:900 [inline] RIP: 0010:ioctl_standard_call+0x229/0x2e0 net/wireless/wext-core.c:1029 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ba 00 00 00 48 8b 9d e8 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 8b 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b RSP: 0018:ffff8880a9befb08 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff88057926 RDX: 0000000000000000 RSI: ffffffff8805792f RDI: ffff8880a909d428 RBP: ffff8880a909d240 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880a9befbf0 R14: 0000000000008b04 R15: 0000000000000004 FS: 0000000001a94880(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000006d2090 CR3: 00000000b25b5000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: wireless_process_ioctl+0x35b/0x4d0 net/wireless/wext-core.c:954 wext_ioctl_dispatch net/wireless/wext-core.c:987 [inline] wext_ioctl_dispatch net/wireless/wext-core.c:975 [inline] wext_handle_ioctl+0x26b/0x280 net/wireless/wext-core.c:1048 sock_ioctl+0x306/0x5f0 net/socket.c:1015 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441579 Code: e8 ec 05 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 0d fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffcc7666ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ffcc7666b00 RCX: 0000000000441579 RDX: 00000000200001c0 RSI: 0000000000008b04 RDI: 0000000000000005 RBP: 0000000000000003 R08: 0000001d00000000 R09: 0000001d00000000 R10: 0000001d00000000 R11: 0000000000000246 R12: 0000000000000032 R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 Modules linked in: ---[ end trace 378d58bb8f9f0166 ]--- RIP: 0010:call_commit_handler net/wireless/wext-core.c:900 [inline] RIP: 0010:ioctl_standard_call+0x229/0x2e0 net/wireless/wext-core.c:1029 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ba 00 00 00 48 8b 9d e8 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 8b 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b RSP: 0018:ffff8880a9befb08 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff88057926 RDX: 0000000000000000 RSI: ffffffff8805792f RDI: ffff8880a909d428 RBP: ffff8880a909d240 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880a9befbf0 R14: 0000000000008b04 R15: 0000000000000004 FS: 0000000001a94880(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000006d2090 CR3: 00000000b25b5000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400