Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.214' (ECDSA) to the list of known hosts. syzkaller login: [ 34.220559] IPVS: ftp: loaded support on port[0] = 21 [ 34.290425] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 34.298275] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 34.309917] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 34.321924] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 34.334409] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready executing program [ 34.341008] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 34.348123] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 34.354960] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 34.365736] kasan: CONFIG_KASAN_INLINE enabled [ 34.371563] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 34.379029] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 34.385247] CPU: 1 PID: 8117 Comm: syz-executor110 Not tainted 4.19.160-syzkaller #0 [ 34.393104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.402489] RIP: 0010:ioctl_standard_call+0x1f7/0x2c0 [ 34.407662] 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 [ 34.426565] RSP: 0018:ffff8880b058fb08 EFLAGS: 00010246 [ 34.431913] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87b3e434 [ 34.439163] RDX: 0000000000000000 RSI: ffffffff87b3e43d RDI: ffff888094cb9328 [ 34.446429] RBP: ffff888094cb9140 R08: 0000000000000000 R09: 0000000000000000 [ 34.453677] R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880b058fbf0 [ 34.460927] R13: 0000000000008b04 R14: 0000000000000000 R15: 0000000000000004 [ 34.468177] FS: 00000000009fb880(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 34.476379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.482239] CR2: 00000000200000c0 CR3: 00000000a9bcc000 CR4: 00000000001406e0 [ 34.489490] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.496752] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.503999] Call Trace: [ 34.506572] ? cfg80211_wext_freq+0x1a0/0x1a0 [ 34.511046] ? cfg80211_wext_freq+0x1a0/0x1a0 [ 34.515521] ? iw_handler_get_private+0x1a0/0x1a0 [ 34.520348] wireless_process_ioctl+0x376/0x4b0 [ 34.525009] ? wireless_process_ioctl+0x4b0/0x4b0 [ 34.529833] wext_handle_ioctl+0x26b/0x280 [ 34.534046] ? call_commit_handler+0x100/0x100 [ 34.538619] ? do_raw_spin_unlock+0x171/0x230 [ 34.543101] sock_ioctl+0x306/0x5d0 [ 34.546708] ? dlci_ioctl_set+0x30/0x30 [ 34.550684] ? mark_held_locks+0xf0/0xf0 [ 34.554726] ? __handle_mm_fault+0xf34/0x41c0 [ 34.559216] ? dlci_ioctl_set+0x30/0x30 [ 34.563306] do_vfs_ioctl+0xcdb/0x12e0 [ 34.567180] ? ioctl_preallocate+0x200/0x200 [ 34.571573] ? __do_page_fault+0x6d1/0xd60 [ 34.575794] ? lock_downgrade+0x720/0x720 [ 34.579954] ? up_read+0x17/0x110 [ 34.583386] ? __do_page_fault+0x180/0xd60 [ 34.587604] ksys_ioctl+0x9b/0xc0 [ 34.591036] __x64_sys_ioctl+0x6f/0xb0 [ 34.594901] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 34.599524] do_syscall_64+0xf9/0x620 [ 34.603353] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.608531] RIP: 0033:0x441529 [ 34.611710] 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 [ 34.630600] RSP: 002b:00007ffe5f213b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 34.638293] RAX: ffffffffffffffda RBX: 00007ffe5f213ba0 RCX: 0000000000441529 [ 34.645546] RDX: 00000000200000c0 RSI: 0000000000008b04 RDI: 0000000000000003 [ 34.652795] RBP: 0000000000000003 R08: 0000001e00000000 R09: 0000001e00000000 [ 34.660043] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 [ 34.667304] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 34.674554] Modules linked in: [ 34.679136] ---[ end trace c39d9b3b3310ac23 ]--- [ 34.683916] RIP: 0010:ioctl_standard_call+0x1f7/0x2c0 [ 34.689260] 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 [ 34.708373] RSP: 0018:ffff8880b058fb08 EFLAGS: 00010246 [ 34.713879] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87b3e434 [ 34.721192] RDX: 0000000000000000 RSI: ffffffff87b3e43d RDI: ffff888094cb9328 [ 34.728519] RBP: ffff888094cb9140 R08: 0000000000000000 R09: 0000000000000000 [ 34.735797] R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880b058fbf0 [ 34.743095] R13: 0000000000008b04 R14: 0000000000000000 R15: 0000000000000004 [ 34.750416] FS: 00000000009fb880(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 34.758690] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.764568] CR2: 00000000200000c0 CR3: 00000000a9bcc000 CR4: 00000000001406e0 [ 34.771876] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.779188] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.786445] Kernel panic - not syncing: Fatal exception [ 34.792328] Kernel Offset: disabled [ 34.795949] Rebooting in 86400 seconds..