[ 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 '10.128.0.98' (ECDSA) to the list of known hosts. syzkaller login: [ 94.111001][ T36] audit: type=1400 audit(1612472340.871:8): avc: denied { execmem } for pid=8433 comm="syz-executor195" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 94.131785][ T8434] IPVS: ftp: loaded support on port[0] = 21 [ 94.258389][ T239] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.279382][ T239] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 94.305769][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 94.327879][ T113] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.337343][ T113] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.349811][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program [ 94.402790][ T8475] ------------[ cut here ]------------ [ 94.408746][ T8475] WARNING: CPU: 0 PID: 8475 at net/mac80211/cfg.c:3614 ieee80211_probe_client+0x6ed/0x7f0 [ 94.422684][ T8475] Modules linked in: [ 94.426751][ T8475] CPU: 0 PID: 8475 Comm: syz-executor195 Not tainted 5.11.0-rc6-syzkaller #0 [ 94.435623][ T8475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.445924][ T8475] RIP: 0010:ieee80211_probe_client+0x6ed/0x7f0 [ 94.452118][ T8475] Code: f9 48 c7 c2 c0 d5 62 8a be 89 02 00 00 48 c7 c7 20 d6 62 8a c6 05 c0 1b 38 05 01 e8 d5 64 63 00 e9 e3 f9 ff ff e8 f3 59 1b f9 <0f> 0b 41 bc ea ff ff ff e9 51 fe ff ff e8 b1 f3 5d f9 e9 de fc ff [ 94.471913][ T8475] RSP: 0018:ffffc90001197500 EFLAGS: 00010293 [ 94.478216][ T8475] RAX: 0000000000000000 RBX: ffff8880359d0000 RCX: 0000000000000000 [ 94.486446][ T8475] RDX: ffff8880275163c0 RSI: ffffffff8857799d RDI: 0000000000000003 [ 94.494676][ T8475] RBP: ffff888031e6b820 R08: 0000000000000000 R09: 0000000000000000 [ 94.502670][ T8475] R10: ffffffff885778d8 R11: 0000000000000000 R12: ffff888035970c80 [ 94.510819][ T8475] R13: 0000000000000000 R14: 0000000000000001 R15: ffffc90001197684 [ 94.519661][ T8475] FS: 0000000000da8300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 94.529871][ T8475] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.536558][ T8475] CR2: 0000000020000200 CR3: 0000000017c62000 CR4: 00000000001506f0 [ 94.546011][ T8475] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 94.554107][ T8475] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 94.562243][ T8475] Call Trace: [ 94.565799][ T8475] nl80211_probe_client+0x3a9/0xb90 [ 94.571138][ T8475] ? nl80211_probe_mesh_link+0xa00/0xa00 [ 94.576889][ T8475] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 94.583175][ T8475] ? nl80211_pre_doit+0xa2/0x630 [ 94.588349][ T8475] genl_family_rcv_msg_doit+0x228/0x320 [ 94.594512][ T8475] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x280/0x280 [ 94.601905][ T8475] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 94.608308][ T8475] ? cap_capable+0x1f1/0x280 [ 94.614684][ T8475] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 94.620962][ T8475] ? ns_capable+0xde/0x100 [ 94.625605][ T8475] genl_rcv_msg+0x328/0x580 [ 94.630188][ T8475] ? genl_get_cmd+0x480/0x480 [ 94.641387][ T8475] ? nl80211_probe_mesh_link+0xa00/0xa00 [ 94.647228][ T8475] ? lock_release+0x710/0x710 [ 94.651949][ T8475] netlink_rcv_skb+0x153/0x420 [ 94.657056][ T8475] ? genl_get_cmd+0x480/0x480 [ 94.661863][ T8475] ? netlink_ack+0xaa0/0xaa0 [ 94.667170][ T8475] genl_rcv+0x24/0x40 [ 94.671193][ T8475] netlink_unicast+0x533/0x7d0 [ 94.677371][ T8475] ? netlink_attachskb+0x870/0x870 [ 94.682647][ T8475] ? _copy_from_iter_full+0x275/0x850 [ 94.688494][ T8475] netlink_sendmsg+0x856/0xd90 [ 94.693345][ T8475] ? netlink_unicast+0x7d0/0x7d0 [ 94.698438][ T8475] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 94.704884][ T8475] ? netlink_unicast+0x7d0/0x7d0 [ 94.709955][ T8475] sock_sendmsg+0xcf/0x120 [ 94.714576][ T8475] ____sys_sendmsg+0x6e8/0x810 [ 94.726921][ T8475] ? kernel_sendmsg+0x50/0x50 [ 94.731672][ T8475] ? do_recvmmsg+0x6c0/0x6c0 [ 94.736424][ T8475] ___sys_sendmsg+0xf3/0x170 [ 94.741094][ T8475] ? sendmsg_copy_msghdr+0x160/0x160 [ 94.746748][ T8475] ? lockdep_init_map_waits+0x26a/0x720 [ 94.752712][ T8475] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 94.758792][ T8475] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 94.765318][ T8475] ? percpu_counter_add_batch+0xbd/0x180 [ 94.771020][ T8475] ? find_held_lock+0x2d/0x110 [ 94.775923][ T8475] ? fd_install+0x1e3/0x640 [ 94.780565][ T8475] ? lock_downgrade+0x6d0/0x6d0 [ 94.785740][ T8475] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 94.792025][ T8475] ? __fget_light+0x215/0x280 [ 94.796812][ T8475] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 94.803102][ T8475] __sys_sendmsg+0xe5/0x1b0 [ 94.809009][ T8475] ? __sys_sendmsg_sock+0xb0/0xb0 [ 94.814562][ T8475] ? syscall_enter_from_user_mode+0x1d/0x50 [ 94.820573][ T8475] do_syscall_64+0x2d/0x70 [ 94.825711][ T8475] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.832068][ T8475] RIP: 0033:0x440fc9 [ 94.836073][ T8475] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 94.856127][ T8475] RSP: 002b:00007ffc2f9166b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 94.864650][ T8475] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 0000000000440fc9 [ 94.872653][ T8475] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000004 [ 94.880910][ T8475] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 94.889111][ T8475] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000170c6 [ 94.897245][ T8475] R13: 00007ffc2f916710 R14: 00007ffc2f916700 R15: 00007ffc2f9166d4 [ 94.905356][ T8475] Kernel panic - not syncing: panic_on_warn set ... [ 94.911965][ T8475] CPU: 0 PID: 8475 Comm: syz-executor195 Not tainted 5.11.0-rc6-syzkaller #0 [ 94.920740][ T8475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.931074][ T8475] Call Trace: [ 94.934463][ T8475] dump_stack+0x107/0x163 [ 94.938814][ T8475] panic+0x306/0x73d [ 94.942708][ T8475] ? __warn_printk+0xf3/0xf3 [ 94.947306][ T8475] ? __warn.cold+0x1a/0x44 [ 94.951741][ T8475] ? ieee80211_probe_client+0x6ed/0x7f0 [ 94.957297][ T8475] __warn.cold+0x35/0x44 [ 94.961548][ T8475] ? ieee80211_probe_client+0x6ed/0x7f0 [ 94.967119][ T8475] report_bug+0x1bd/0x210 [ 94.971726][ T8475] handle_bug+0x3c/0x60 [ 94.976030][ T8475] exc_invalid_op+0x14/0x40 [ 94.980585][ T8475] asm_exc_invalid_op+0x12/0x20 [ 94.985574][ T8475] RIP: 0010:ieee80211_probe_client+0x6ed/0x7f0 [ 94.992233][ T8475] Code: f9 48 c7 c2 c0 d5 62 8a be 89 02 00 00 48 c7 c7 20 d6 62 8a c6 05 c0 1b 38 05 01 e8 d5 64 63 00 e9 e3 f9 ff ff e8 f3 59 1b f9 <0f> 0b 41 bc ea ff ff ff e9 51 fe ff ff e8 b1 f3 5d f9 e9 de fc ff [ 95.011941][ T8475] RSP: 0018:ffffc90001197500 EFLAGS: 00010293 [ 95.018027][ T8475] RAX: 0000000000000000 RBX: ffff8880359d0000 RCX: 0000000000000000 [ 95.026019][ T8475] RDX: ffff8880275163c0 RSI: ffffffff8857799d RDI: 0000000000000003 [ 95.034001][ T8475] RBP: ffff888031e6b820 R08: 0000000000000000 R09: 0000000000000000 [ 95.041995][ T8475] R10: ffffffff885778d8 R11: 0000000000000000 R12: ffff888035970c80 [ 95.050011][ T8475] R13: 0000000000000000 R14: 0000000000000001 R15: ffffc90001197684 [ 95.058022][ T8475] ? ieee80211_probe_client+0x628/0x7f0 [ 95.063704][ T8475] ? ieee80211_probe_client+0x6ed/0x7f0 [ 95.069282][ T8475] nl80211_probe_client+0x3a9/0xb90 [ 95.074510][ T8475] ? nl80211_probe_mesh_link+0xa00/0xa00 [ 95.080146][ T8475] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 95.086406][ T8475] ? nl80211_pre_doit+0xa2/0x630 [ 95.091348][ T8475] genl_family_rcv_msg_doit+0x228/0x320 [ 95.096923][ T8475] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x280/0x280 [ 95.104330][ T8475] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 95.110600][ T8475] ? cap_capable+0x1f1/0x280 [ 95.115250][ T8475] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 95.121524][ T8475] ? ns_capable+0xde/0x100 [ 95.125954][ T8475] genl_rcv_msg+0x328/0x580 [ 95.130468][ T8475] ? genl_get_cmd+0x480/0x480 [ 95.135152][ T8475] ? nl80211_probe_mesh_link+0xa00/0xa00 [ 95.141163][ T8475] ? lock_release+0x710/0x710 [ 95.145852][ T8475] netlink_rcv_skb+0x153/0x420 [ 95.150761][ T8475] ? genl_get_cmd+0x480/0x480 [ 95.155455][ T8475] ? netlink_ack+0xaa0/0xaa0 [ 95.160736][ T8475] genl_rcv+0x24/0x40 [ 95.164748][ T8475] netlink_unicast+0x533/0x7d0 [ 95.169531][ T8475] ? netlink_attachskb+0x870/0x870 [ 95.174643][ T8475] ? _copy_from_iter_full+0x275/0x850 [ 95.180042][ T8475] netlink_sendmsg+0x856/0xd90 [ 95.184818][ T8475] ? netlink_unicast+0x7d0/0x7d0 [ 95.189770][ T8475] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 95.196016][ T8475] ? netlink_unicast+0x7d0/0x7d0 [ 95.200965][ T8475] sock_sendmsg+0xcf/0x120 [ 95.205501][ T8475] ____sys_sendmsg+0x6e8/0x810 [ 95.210290][ T8475] ? kernel_sendmsg+0x50/0x50 [ 95.214976][ T8475] ? do_recvmmsg+0x6c0/0x6c0 [ 95.219652][ T8475] ___sys_sendmsg+0xf3/0x170 [ 95.224291][ T8475] ? sendmsg_copy_msghdr+0x160/0x160 [ 95.229782][ T8475] ? lockdep_init_map_waits+0x26a/0x720 [ 95.235353][ T8475] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 95.241448][ T8475] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 95.247709][ T8475] ? percpu_counter_add_batch+0xbd/0x180 [ 95.253371][ T8475] ? find_held_lock+0x2d/0x110 [ 95.258157][ T8475] ? fd_install+0x1e3/0x640 [ 95.262682][ T8475] ? lock_downgrade+0x6d0/0x6d0 [ 95.267535][ T8475] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 95.273824][ T8475] ? __fget_light+0x215/0x280 [ 95.278532][ T8475] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 95.284949][ T8475] __sys_sendmsg+0xe5/0x1b0 [ 95.289615][ T8475] ? __sys_sendmsg_sock+0xb0/0xb0 [ 95.294694][ T8475] ? syscall_enter_from_user_mode+0x1d/0x50 [ 95.300614][ T8475] do_syscall_64+0x2d/0x70 [ 95.305064][ T8475] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.311107][ T8475] RIP: 0033:0x440fc9 [ 95.315059][ T8475] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 95.334976][ T8475] RSP: 002b:00007ffc2f9166b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 95.343402][ T8475] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 0000000000440fc9 [ 95.351377][ T8475] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000004 [ 95.359361][ T8475] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 95.367445][ T8475] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000170c6 [ 95.375435][ T8475] R13: 00007ffc2f916710 R14: 00007ffc2f916700 R15: 00007ffc2f9166d4 [ 95.384269][ T8475] Kernel Offset: disabled [ 95.388793][ T8475] Rebooting in 86400 seconds..