[ 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 '10.128.0.38' (ECDSA) to the list of known hosts. syzkaller login: [ 32.985115] IPVS: ftp: loaded support on port[0] = 21 [ 33.043077] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 33.058134] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 33.065335] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 33.106300] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 33.119535] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 33.129333] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 33.136450] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 33.143877] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 33.154397] kasan: CONFIG_KASAN_INLINE enabled [ 33.161765] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 33.169784] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 33.176013] CPU: 1 PID: 8136 Comm: syz-executor615 Not tainted 4.19.162-syzkaller #0 [ 33.183875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.193222] RIP: 0010:ioctl_standard_call+0x1f7/0x2c0 [ 33.198394] 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 [ 33.217277] RSP: 0018:ffff888097767b08 EFLAGS: 00010246 [ 33.222614] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87b3eca4 [ 33.229860] RDX: 0000000000000000 RSI: ffffffff87b3ecad RDI: ffff888094f295e8 [ 33.237106] RBP: ffff888094f29400 R08: 0000000000000000 R09: 0000000000000000 [ 33.244453] R10: 0000000000000001 R11: 0000000000000000 R12: ffff888097767bf0 [ 33.251700] R13: 0000000000008b04 R14: 0000000000000000 R15: 0000000000000004 [ 33.258948] FS: 0000000001269880(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 33.267150] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.273007] CR2: 00007fb74dd3b000 CR3: 000000009a0a3000 CR4: 00000000001406e0 [ 33.280256] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.287507] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.294782] Call Trace: [ 33.297372] ? cfg80211_wext_freq+0x1a0/0x1a0 [ 33.301843] ? cfg80211_wext_freq+0x1a0/0x1a0 [ 33.306328] ? iw_handler_get_private+0x1a0/0x1a0 [ 33.311149] wireless_process_ioctl+0x376/0x4b0 [ 33.315793] ? wireless_process_ioctl+0x4b0/0x4b0 [ 33.320701] wext_handle_ioctl+0x26b/0x280 [ 33.324910] ? call_commit_handler+0x100/0x100 [ 33.329474] ? do_raw_spin_unlock+0x171/0x230 [ 33.333961] sock_ioctl+0x306/0x5d0 [ 33.337567] ? dlci_ioctl_set+0x30/0x30 [ 33.341516] ? mark_held_locks+0xf0/0xf0 [ 33.345557] ? __handle_mm_fault+0xf34/0x41c0 [ 33.350042] ? dlci_ioctl_set+0x30/0x30 [ 33.353992] do_vfs_ioctl+0xcdb/0x12e0 [ 33.357855] ? ioctl_preallocate+0x200/0x200 [ 33.362253] ? __do_page_fault+0x6d1/0xd60 [ 33.366475] ? lock_downgrade+0x720/0x720 [ 33.370599] ? up_read+0x17/0x110 [ 33.374034] ? __do_page_fault+0x180/0xd60 [ 33.378260] ksys_ioctl+0x9b/0xc0 [ 33.381690] __x64_sys_ioctl+0x6f/0xb0 [ 33.385552] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 33.390119] do_syscall_64+0xf9/0x620 [ 33.393897] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.399063] RIP: 0033:0x441529 [ 33.402244] 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 [ 33.421921] RSP: 002b:00007ffe1f787ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 33.429604] RAX: ffffffffffffffda RBX: 00007ffe1f788020 RCX: 0000000000441529 [ 33.436849] RDX: 00000000200000c0 RSI: 0000000000008b04 RDI: 0000000000000003 [ 33.444107] RBP: 0000000000000003 R08: 0000001e00000000 R09: 0000001e00000000 [ 33.451350] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 [ 33.458597] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 33.465843] Modules linked in: [ 33.479075] ---[ end trace 167ac498706af925 ]--- [ 33.483839] RIP: 0010:ioctl_standard_call+0x1f7/0x2c0 [ 33.489094] 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 [ 33.508068] RSP: 0018:ffff888097767b08 EFLAGS: 00010246 [ 33.513419] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87b3eca4 [ 33.520802] RDX: 0000000000000000 RSI: ffffffff87b3ecad RDI: ffff888094f295e8 [ 33.528118] RBP: ffff888094f29400 R08: 0000000000000000 R09: 0000000000000000 [ 33.535367] R10: 0000000000000001 R11: 0000000000000000 R12: ffff888097767bf0 [ 33.542644] R13: 0000000000008b04 R14: 0000000000000000 R15: 0000000000000004 [ 33.549942] FS: 0000000001269880(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 33.558185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.564054] CR2: 00000000200000c0 CR3: 000000009a0a3000 CR4: 00000000001406f0 [ 33.571334] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.578624] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.585890] Kernel panic - not syncing: Fatal exception [ 33.592054] Kernel Offset: disabled [ 33.595667] Rebooting in 86400 seconds..