[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ 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 '10.128.0.164' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 72.083807][ T4837] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.125203][ T8454] general protection fault, probably for non-canonical address 0xfbd59c0000000020: 0000 [#1] PREEMPT SMP KASAN [ 72.136960][ T8454] KASAN: maybe wild-memory-access in range [0xdead000000000100-0xdead000000000107] [ 72.146249][ T8454] CPU: 0 PID: 8454 Comm: syz-executor938 Not tainted 5.12.0-rc4-next-20210326-syzkaller #0 [ 72.159449][ T8454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.169514][ T8454] RIP: 0010:ieee80211_chanctx_num_assigned+0xb1/0x140 [ 72.176327][ T8454] Code: a8 f6 ff ff 48 39 c5 74 3b 49 bd 00 00 00 00 00 fc ff df e8 91 53 05 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 [ 72.196424][ T8454] RSP: 0018:ffffc900016a7330 EFLAGS: 00010a02 [ 72.202507][ T8454] RAX: 1bd5a00000000020 RBX: deacfffffffff7a8 RCX: 0000000000000000 [ 72.210491][ T8454] RDX: ffff888011dab900 RSI: ffffffff886ed53f RDI: dead000000000100 [ 72.218482][ T8454] RBP: ffff8880151cae20 R08: 0000000000000000 R09: 0000000000000001 [ 72.226467][ T8454] R10: ffffffff886ed59b R11: 0000000000000000 R12: 0000000000000002 [ 72.234454][ T8454] R13: dffffc0000000000 R14: ffff8880151cae00 R15: 0000000000000000 [ 72.242470][ T8454] FS: 0000000000b003c0(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 72.251428][ T8454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.258031][ T8454] CR2: 00000000004b6110 CR3: 0000000026714000 CR4: 00000000001506f0 [ 72.266014][ T8454] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.273993][ T8454] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.281979][ T8454] Call Trace: [ 72.285270][ T8454] ieee80211_assign_vif_chanctx+0x7bd/0x1240 [ 72.291275][ T8454] __ieee80211_vif_release_channel+0x236/0x430 [ 72.297459][ T8454] ieee80211_vif_release_channel+0x117/0x220 [ 72.303530][ T8454] ieee80211_ibss_disconnect+0x44e/0x7b0 [ 72.309407][ T8454] ieee80211_ibss_leave+0x12/0x150 [ 72.314558][ T8454] __cfg80211_leave_ibss+0x1a2/0x4d0 [ 72.319841][ T8454] cfg80211_leave_ibss+0x57/0x80 [ 72.324797][ T8454] cfg80211_change_iface+0x820/0xf30 [ 72.330070][ T8454] nl80211_set_interface+0x65c/0x8d0 [ 72.335350][ T8454] ? nl80211_notify_iface+0x180/0x180 [ 72.340737][ T8454] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.346972][ T8454] ? nl80211_pre_doit+0xa6/0x620 [ 72.351908][ T8454] genl_family_rcv_msg_doit+0x228/0x320 [ 72.357457][ T8454] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 72.364834][ T8454] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.371077][ T8454] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.377401][ T8454] ? ns_capable+0xde/0x100 [ 72.381828][ T8454] genl_rcv_msg+0x328/0x580 [ 72.386326][ T8454] ? genl_get_cmd+0x480/0x480 [ 72.390991][ T8454] ? nl80211_notify_iface+0x180/0x180 [ 72.396354][ T8454] ? lock_release+0x720/0x720 [ 72.401037][ T8454] netlink_rcv_skb+0x153/0x420 [ 72.405816][ T8454] ? genl_get_cmd+0x480/0x480 [ 72.410489][ T8454] ? netlink_ack+0xaa0/0xaa0 [ 72.415087][ T8454] genl_rcv+0x24/0x40 [ 72.419070][ T8454] netlink_unicast+0x533/0x7d0 [ 72.423822][ T8454] ? netlink_attachskb+0x870/0x870 [ 72.428949][ T8454] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.435285][ T8454] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.441540][ T8454] ? __phys_addr_symbol+0x2c/0x70 [ 72.446561][ T8454] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 72.452271][ T8454] ? __check_object_size+0x171/0x3f0 [ 72.457554][ T8454] netlink_sendmsg+0x856/0xd90 [ 72.462327][ T8454] ? netlink_unicast+0x7d0/0x7d0 [ 72.467263][ T8454] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.473539][ T8454] ? netlink_unicast+0x7d0/0x7d0 [ 72.478470][ T8454] sock_sendmsg+0xcf/0x120 [ 72.482899][ T8454] ____sys_sendmsg+0x6e8/0x810 [ 72.487745][ T8454] ? kernel_sendmsg+0x50/0x50 [ 72.492649][ T8454] ? do_recvmmsg+0x6d0/0x6d0 [ 72.497352][ T8454] ? lock_chain_count+0x20/0x20 [ 72.502201][ T8454] ? find_held_lock+0x2d/0x110 [ 72.506958][ T8454] ___sys_sendmsg+0xf3/0x170 [ 72.511549][ T8454] ? sendmsg_copy_msghdr+0x160/0x160 [ 72.516830][ T8454] ? __lock_acquire+0x16a7/0x5230 [ 72.521872][ T8454] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 72.527853][ T8454] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.534085][ T8454] ? __fget_light+0x215/0x280 [ 72.538771][ T8454] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.545003][ T8454] __sys_sendmsg+0xe5/0x1b0 [ 72.549513][ T8454] ? __sys_sendmsg_sock+0x30/0x30 [ 72.554531][ T8454] ? __context_tracking_enter+0xef/0x100 [ 72.560186][ T8454] ? syscall_enter_from_user_mode+0x27/0x70 [ 72.566074][ T8454] do_syscall_64+0x2d/0x70 [ 72.570484][ T8454] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.576535][ T8454] RIP: 0033:0x441629 [ 72.580426][ T8454] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 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 c4 ff ff ff f7 d8 64 89 01 48 [ 72.600032][ T8454] RSP: 002b:00007ffdb2011ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 72.608439][ T8454] RAX: ffffffffffffffda RBX: 000000000001196f RCX: 0000000000441629 [ 72.616404][ T8454] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000004 [ 72.624387][ T8454] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 72.632350][ T8454] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdb2011bdc [ 72.641476][ T8454] R13: 431bde82d7b634db R14: 00007ffdb2011bf0 R15: 00000000004004b8 [ 72.649462][ T8454] Modules linked in: [ 72.655030][ T8454] ---[ end trace 80bf3cf770166290 ]--- [ 72.660535][ T8454] RIP: 0010:ieee80211_chanctx_num_assigned+0xb1/0x140 [ 72.667602][ T8454] Code: a8 f6 ff ff 48 39 c5 74 3b 49 bd 00 00 00 00 00 fc ff df e8 91 53 05 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 [ 72.687459][ T8454] RSP: 0018:ffffc900016a7330 EFLAGS: 00010a02 [ 72.693640][ T8454] RAX: 1bd5a00000000020 RBX: deacfffffffff7a8 RCX: 0000000000000000 [ 72.701671][ T8454] RDX: ffff888011dab900 RSI: ffffffff886ed53f RDI: dead000000000100 [ 72.709677][ T8454] RBP: ffff8880151cae20 R08: 0000000000000000 R09: 0000000000000001 [ 72.717699][ T8454] R10: ffffffff886ed59b R11: 0000000000000000 R12: 0000000000000002 [ 72.725996][ T8454] R13: dffffc0000000000 R14: ffff8880151cae00 R15: 0000000000000000 [ 72.734037][ T8454] FS: 0000000000b003c0(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 72.743038][ T8454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.749635][ T8454] CR2: 00000000004b6110 CR3: 0000000026714000 CR4: 00000000001506f0 [ 72.757685][ T8454] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.765794][ T8454] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.773846][ T8454] Kernel panic - not syncing: Fatal exception [ 72.780471][ T8454] Kernel Offset: disabled [ 72.784794][ T8454] Rebooting in 86400 seconds..