[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.3' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 54.836555][ T3702] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 54.870813][ T8536] general protection fault, probably for non-canonical address 0xfbd59c0000000020: 0000 [#1] PREEMPT SMP KASAN executing program [ 54.882750][ T8536] KASAN: maybe wild-memory-access in range [0xdead000000000100-0xdead000000000107] [ 54.892037][ T8536] CPU: 1 PID: 8536 Comm: syz-executor432 Not tainted 5.11.0-rc4-syzkaller #0 [ 54.900806][ T8536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.910870][ T8536] RIP: 0010:ieee80211_chanctx_num_assigned+0xb1/0x140 [ 54.917667][ T8536] Code: a8 f6 ff ff 48 39 c5 74 3b 49 bd 00 00 00 00 00 fc ff df e8 71 30 15 f9 48 8d bb 58 09 00 00 41 83 c4 01 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 75 68 48 8b 83 58 09 00 00 48 8d 98 a8 f6 ff ff 48 [ 54.937282][ T8536] RSP: 0018:ffffc9000192f330 EFLAGS: 00010212 [ 54.943446][ T8536] RAX: 1bd5a00000000020 RBX: deacfffffffff7a8 RCX: 0000000000000000 [ 54.951998][ T8536] RDX: ffff88801d27b780 RSI: ffffffff885d907f RDI: dead000000000100 [ 54.959980][ T8536] RBP: ffff88801c8ae520 R08: 0000000000000000 R09: 0000000000000001 [ 54.967958][ T8536] R10: ffffffff885d90db R11: 0000000000000000 R12: 0000000000000002 [ 54.975937][ T8536] R13: dffffc0000000000 R14: ffff88801c8ae500 R15: 0000000000000000 [ 54.984177][ T8536] FS: 00007fc209af0700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 54.993135][ T8536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.000150][ T8536] CR2: 00007ffe7aa65c50 CR3: 000000001f203000 CR4: 0000000000350ee0 [ 55.008948][ T8536] Call Trace: [ 55.012613][ T8536] ieee80211_assign_vif_chanctx+0x7b8/0x1230 [ 55.018670][ T8536] __ieee80211_vif_release_channel+0x236/0x430 [ 55.024933][ T8536] ieee80211_vif_release_channel+0x117/0x220 [ 55.031003][ T8536] ieee80211_ibss_disconnect+0x44e/0x7b0 [ 55.036643][ T8536] ieee80211_ibss_leave+0x12/0xe0 [ 55.041676][ T8536] __cfg80211_leave_ibss+0x19a/0x4c0 [ 55.046973][ T8536] cfg80211_leave_ibss+0x57/0x80 [ 55.051916][ T8536] cfg80211_change_iface+0x7f2/0xf10 [ 55.057622][ T8536] nl80211_set_interface+0x65c/0x8d0 [ 55.062907][ T8536] ? nl80211_notify_iface+0x180/0x180 [ 55.068281][ T8536] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 55.074832][ T8536] ? nl80211_pre_doit+0xa2/0x630 [ 55.079766][ T8536] genl_family_rcv_msg_doit+0x228/0x320 [ 55.085318][ T8536] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x280/0x280 [ 55.092709][ T8536] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 55.098961][ T8536] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 55.105421][ T8536] ? ns_capable+0xde/0x100 [ 55.109840][ T8536] genl_rcv_msg+0x328/0x580 [ 55.114345][ T8536] ? genl_get_cmd+0x480/0x480 [ 55.119044][ T8536] ? nl80211_notify_iface+0x180/0x180 [ 55.124515][ T8536] ? lock_release+0x710/0x710 [ 55.129194][ T8536] netlink_rcv_skb+0x153/0x420 [ 55.133967][ T8536] ? genl_get_cmd+0x480/0x480 [ 55.138645][ T8536] ? netlink_ack+0xaa0/0xaa0 [ 55.143257][ T8536] genl_rcv+0x24/0x40 [ 55.147250][ T8536] netlink_unicast+0x533/0x7d0 [ 55.152004][ T8536] ? netlink_attachskb+0x870/0x870 [ 55.157103][ T8536] ? _copy_from_iter_full+0x275/0x850 [ 55.162466][ T8536] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 55.168717][ T8536] ? __phys_addr_symbol+0x2c/0x70 [ 55.173831][ T8536] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 55.179732][ T8536] ? __check_object_size+0x171/0x3f0 [ 55.185113][ T8536] netlink_sendmsg+0x856/0xd90 [ 55.189955][ T8536] ? netlink_unicast+0x7d0/0x7d0 [ 55.194885][ T8536] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 55.201124][ T8536] ? netlink_unicast+0x7d0/0x7d0 [ 55.206168][ T8536] sock_sendmsg+0xcf/0x120 [ 55.210577][ T8536] ____sys_sendmsg+0x6e8/0x810 [ 55.215327][ T8536] ? kernel_sendmsg+0x50/0x50 [ 55.219984][ T8536] ? do_recvmmsg+0x6c0/0x6c0 [ 55.224568][ T8536] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 55.230542][ T8536] ___sys_sendmsg+0xf3/0x170 [ 55.235120][ T8536] ? sendmsg_copy_msghdr+0x160/0x160 [ 55.240396][ T8536] ? __fget_files+0x266/0x3d0 [ 55.245251][ T8536] ? lock_downgrade+0x6d0/0x6d0 [ 55.250739][ T8536] ? __fget_files+0x288/0x3d0 [ 55.255410][ T8536] ? __fget_light+0xea/0x280 [ 55.260001][ T8536] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 55.266574][ T8536] __sys_sendmsg+0xe5/0x1b0 [ 55.271076][ T8536] ? __sys_sendmsg_sock+0xb0/0xb0 [ 55.276094][ T8536] ? __do_sys_futex+0x2a2/0x470 [ 55.281133][ T8536] ? syscall_enter_from_user_mode+0x1d/0x50 [ 55.287059][ T8536] do_syscall_64+0x2d/0x70 [ 55.291476][ T8536] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.297405][ T8536] RIP: 0033:0x447609 [ 55.301278][ T8536] Code: e8 ec e7 ff ff 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 9b 04 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 55.320864][ T8536] RSP: 002b:00007fc209aefd98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 55.329254][ T8536] RAX: ffffffffffffffda RBX: 00000000006dcc68 RCX: 0000000000447609 executing program [ 55.337209][ T8536] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003 [ 55.345159][ T8536] RBP: 00000000006dcc60 R08: 0000000000000005 R09: 0000000000000000 [ 55.353105][ T8536] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000006dcc6c [ 55.361222][ T8536] R13: 0000000000000000 R14: 000000306e616c77 R15: 0000000000000300 [ 55.369177][ T8536] Modules linked in: [ 55.374529][ T8536] ---[ end trace a23b077ae0a68f19 ]--- [ 55.380070][ T8536] RIP: 0010:ieee80211_chanctx_num_assigned+0xb1/0x140 [ 55.387049][ T8536] Code: a8 f6 ff ff 48 39 c5 74 3b 49 bd 00 00 00 00 00 fc ff df e8 71 30 15 f9 48 8d bb 58 09 00 00 41 83 c4 01 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 75 68 48 8b 83 58 09 00 00 48 8d 98 a8 f6 ff ff 48 [ 55.406964][ T8536] RSP: 0018:ffffc9000192f330 EFLAGS: 00010212 [ 55.413080][ T8536] RAX: 1bd5a00000000020 RBX: deacfffffffff7a8 RCX: 0000000000000000 [ 55.423545][ T8536] RDX: ffff88801d27b780 RSI: ffffffff885d907f RDI: dead000000000100 [ 55.431698][ T8536] RBP: ffff88801c8ae520 R08: 0000000000000000 R09: 0000000000000001 [ 55.439768][ T8536] R10: ffffffff885d90db R11: 0000000000000000 R12: 0000000000000002 [ 55.447839][ T8536] R13: dffffc0000000000 R14: ffff88801c8ae500 R15: 0000000000000000 [ 55.456080][ T8536] FS: 00007fc209af0700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 55.465002][ T8536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.471825][ T8536] CR2: 00007fc209aeed18 CR3: 000000001f203000 CR4: 0000000000350ef0 [ 55.479865][ T8536] Kernel panic - not syncing: Fatal exception [ 55.489490][ T8536] Kernel Offset: disabled [ 55.493894][ T8536] Rebooting in 86400 seconds..