[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.176' (ECDSA) to the list of known hosts. syzkaller login: [ 36.231241] IPVS: ftp: loaded support on port[0] = 21 [ 36.296092] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 36.304264] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.314795] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.331445] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 36.344854] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 36.351433] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.358552] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.366565] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 36.377095] kasan: CONFIG_KASAN_INLINE enabled [ 36.383516] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 36.390951] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 36.397183] CPU: 1 PID: 8108 Comm: syz-executor334 Not tainted 4.19.157-syzkaller #0 [ 36.405081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.414424] RIP: 0010:ioctl_standard_call+0x1f7/0x2c0 [ 36.419598] Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 c7 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 98 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b [ 36.438493] RSP: 0018:ffff8880b133fb08 EFLAGS: 00010246 [ 36.443883] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87b3cf44 [ 36.451138] RDX: 0000000000000000 RSI: ffffffff87b3cf4d RDI: ffff8880afc85728 [ 36.458388] RBP: ffff8880afc85540 R08: 0000000000000000 R09: 0000000000000000 [ 36.465636] R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880b133fbf0 [ 36.473035] R13: 0000000000008b04 R14: 0000000000000000 R15: 0000000000000004 [ 36.480286] FS: 0000000000851880(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 36.488488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.494363] CR2: 00000000200000c0 CR3: 0000000099826000 CR4: 00000000001406e0 [ 36.501611] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.508856] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.516106] Call Trace: [ 36.518682] ? cfg80211_wext_freq+0x1a0/0x1a0 [ 36.523152] ? cfg80211_wext_freq+0x1a0/0x1a0 [ 36.527624] ? iw_handler_get_private+0x1a0/0x1a0 [ 36.532486] wireless_process_ioctl+0x376/0x4b0 [ 36.537153] ? wireless_process_ioctl+0x4b0/0x4b0 [ 36.541984] wext_handle_ioctl+0x26b/0x280 [ 36.546202] ? call_commit_handler+0x100/0x100 [ 36.550767] ? do_raw_spin_unlock+0x171/0x230 [ 36.555247] sock_ioctl+0x306/0x5d0 [ 36.558875] ? dlci_ioctl_set+0x30/0x30 [ 36.562830] ? mark_held_locks+0xf0/0xf0 [ 36.566871] ? __handle_mm_fault+0xf34/0x41c0 [ 36.571345] ? dlci_ioctl_set+0x30/0x30 [ 36.575296] do_vfs_ioctl+0xcdb/0x12e0 [ 36.579163] ? ioctl_preallocate+0x200/0x200 [ 36.583549] ? __do_page_fault+0x6d1/0xd60 [ 36.587759] ? lock_downgrade+0x720/0x720 [ 36.591911] ? up_read+0x17/0x110 [ 36.595341] ? __do_page_fault+0x180/0xd60 [ 36.599568] ksys_ioctl+0x9b/0xc0 [ 36.603015] __x64_sys_ioctl+0x6f/0xb0 [ 36.606944] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 36.611510] do_syscall_64+0xf9/0x620 [ 36.615292] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.620460] RIP: 0033:0x441529 [ 36.623656] 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 8b 0d fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 36.643497] RSP: 002b:00007fff29729238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.651183] RAX: ffffffffffffffda RBX: 00007fff29729260 RCX: 0000000000441529 [ 36.658432] RDX: 00000000200000c0 RSI: 0000000000008b04 RDI: 0000000000000003 [ 36.665685] RBP: 0000000000000003 R08: 0000001d00000000 R09: 0000001d00000000 [ 36.672931] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 [ 36.680193] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 36.687442] Modules linked in: [ 36.691275] ---[ end trace c0a226930bc6b779 ]--- [ 36.696049] RIP: 0010:ioctl_standard_call+0x1f7/0x2c0 [ 36.701851] Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 c7 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 98 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b [ 36.720855] RSP: 0018:ffff8880b133fb08 EFLAGS: 00010246 [ 36.726366] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87b3cf44 [ 36.733814] RDX: 0000000000000000 RSI: ffffffff87b3cf4d RDI: ffff8880afc85728 [ 36.741168] RBP: ffff8880afc85540 R08: 0000000000000000 R09: 0000000000000000 [ 36.748477] R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880b133fbf0 [ 36.755754] R13: 0000000000008b04 R14: 0000000000000000 R15: 0000000000000004 [ 36.763091] FS: 0000000000851880(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 36.771358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.777243] CR2: 00000000200000c0 CR3: 0000000099826000 CR4: 00000000001406e0 [ 36.784556] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.791868] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.799207] Kernel panic - not syncing: Fatal exception [ 36.805371] Kernel Offset: disabled [ 36.808980] Rebooting in 86400 seconds..