[ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.107' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 73.557932][ T8394] ------------[ cut here ]------------ [ 73.564673][ T8394] DEBUG_LOCKS_WARN_ON(lock->magic != lock) [ 73.564740][ T8394] WARNING: CPU: 1 PID: 8394 at kernel/locking/mutex.c:931 __mutex_lock+0xc0b/0x1120 [ 73.580541][ T8394] Modules linked in: [ 73.584572][ T8394] CPU: 1 PID: 8394 Comm: syz-executor533 Not tainted 5.12.0-rc4-syzkaller #0 [ 73.593592][ T8394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.604556][ T8394] RIP: 0010:__mutex_lock+0xc0b/0x1120 [ 73.610167][ T8394] Code: 08 84 d2 0f 85 a3 04 00 00 8b 05 18 cb be 04 85 c0 0f 85 12 f5 ff ff 48 c7 c6 20 8b 6b 89 48 c7 c7 e0 88 6b 89 e8 b2 3b bd ff <0f> 0b e9 f8 f4 ff ff 65 48 8b 1c 25 00 f0 01 00 be 08 00 00 00 48 [ 73.630177][ T8394] RSP: 0018:ffffc90002a2f3f8 EFLAGS: 00010286 [ 73.637155][ T8394] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 73.645202][ T8394] RDX: ffff888020b554c0 RSI: ffffffff815c51f5 RDI: fffff52000545e71 [ 73.653399][ T8394] RBP: ffff8880195a4c90 R08: 0000000000000000 R09: 0000000000000000 [ 73.662076][ T8394] R10: ffffffff815bdf8e R11: 0000000000000000 R12: 0000000000000000 [ 73.670207][ T8394] R13: dffffc0000000000 R14: ffffc90002a2f5a8 R15: ffff888014580014 [ 73.678549][ T8394] FS: 0000000001f49300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 73.687845][ T8394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.695673][ T8394] CR2: 00007ffc43046ba8 CR3: 0000000011a5a000 CR4: 00000000001506e0 [ 73.704234][ T8394] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.712525][ T8394] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.721037][ T8394] Call Trace: [ 73.724327][ T8394] ? ___sys_sendmsg+0xf3/0x170 [ 73.729335][ T8394] ? ieee802154_del_seclevel+0x3f/0x70 [ 73.734837][ T8394] ? mutex_lock_io_nested+0xf70/0xf70 [ 73.740285][ T8394] ? memset+0x20/0x40 [ 73.744284][ T8394] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 73.750585][ T8394] ? llsec_parse_seclevel+0x28c/0x3d0 [ 73.756081][ T8394] ? ieee802154_llsec_parse_dev_addr+0x370/0x370 [ 73.762583][ T8394] ieee802154_del_seclevel+0x3f/0x70 [ 73.767885][ T8394] nl802154_del_llsec_seclevel+0x1a7/0x250 [ 73.774238][ T8394] ? llsec_parse_seclevel+0x3d0/0x3d0 [ 73.779850][ T8394] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.786853][ T8394] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 73.795154][ T8394] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 73.802761][ T8394] genl_family_rcv_msg_doit+0x228/0x320 [ 73.808410][ T8394] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 73.816147][ T8394] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.822865][ T8394] ? ns_capable+0xde/0x100 [ 73.827357][ T8394] genl_rcv_msg+0x328/0x580 [ 73.832083][ T8394] ? genl_get_cmd+0x480/0x480 [ 73.837389][ T8394] ? llsec_parse_seclevel+0x3d0/0x3d0 [ 73.842813][ T8394] ? lock_release+0x720/0x720 [ 73.847920][ T8394] netlink_rcv_skb+0x153/0x420 [ 73.853102][ T8394] ? genl_get_cmd+0x480/0x480 [ 73.857983][ T8394] ? netlink_ack+0xaa0/0xaa0 [ 73.862627][ T8394] genl_rcv+0x24/0x40 [ 73.866738][ T8394] netlink_unicast+0x533/0x7d0 [ 73.871630][ T8394] ? netlink_attachskb+0x870/0x870 [ 73.876914][ T8394] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 73.883208][ T8394] ? __phys_addr_symbol+0x2c/0x70 [ 73.888424][ T8394] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 73.894258][ T8394] ? __check_object_size+0x171/0x3f0 [ 73.899604][ T8394] netlink_sendmsg+0x856/0xd90 [ 73.904396][ T8394] ? netlink_unicast+0x7d0/0x7d0 [ 73.909909][ T8394] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.916314][ T8394] ? netlink_unicast+0x7d0/0x7d0 [ 73.921296][ T8394] sock_sendmsg+0xcf/0x120 [ 73.925742][ T8394] ____sys_sendmsg+0x6e8/0x810 [ 73.930835][ T8394] ? kernel_sendmsg+0x50/0x50 [ 73.935556][ T8394] ? do_recvmmsg+0x6d0/0x6d0 [ 73.940183][ T8394] ? lock_chain_count+0x20/0x20 [ 73.945400][ T8394] ? stack_trace_consume_entry+0x160/0x160 [ 73.951766][ T8394] ___sys_sendmsg+0xf3/0x170 [ 73.956407][ T8394] ? sendmsg_copy_msghdr+0x160/0x160 [ 73.961921][ T8394] ? __lock_acquire+0x16b3/0x54c0 [ 73.967094][ T8394] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 73.973994][ T8394] ? lockdep_hardirqs_on+0x79/0x100 [ 73.979628][ T8394] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.985909][ T8394] ? __fget_light+0x215/0x280 [ 73.991009][ T8394] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 73.997422][ T8394] __sys_sendmsg+0xe5/0x1b0 [ 74.002034][ T8394] ? __sys_sendmsg_sock+0x30/0x30 [ 74.007069][ T8394] ? syscall_enter_from_user_mode+0x27/0x70 [ 74.013040][ T8394] do_syscall_64+0x2d/0x70 [ 74.017468][ T8394] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 74.023964][ T8394] RIP: 0033:0x440909 [ 74.027862][ T8394] 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 c0 ff ff ff f7 d8 64 89 01 48 [ 74.048373][ T8394] RSP: 002b:00007ffc43047c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 74.056820][ T8394] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 0000000000440909 [ 74.065170][ T8394] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000006 [ 74.073235][ T8394] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc43047dd8 [ 74.081920][ T8394] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403c10 [ 74.090013][ T8394] R13: 431bde82d7b634db R14: 00000000004ae018 R15: 00000000004004a0 [ 74.098236][ T8394] Kernel panic - not syncing: panic_on_warn set ... [ 74.104838][ T8394] CPU: 0 PID: 8394 Comm: syz-executor533 Not tainted 5.12.0-rc4-syzkaller #0 [ 74.113580][ T8394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.123761][ T8394] Call Trace: [ 74.127047][ T8394] dump_stack+0x141/0x1d7 [ 74.131375][ T8394] panic+0x306/0x73d [ 74.135627][ T8394] ? __warn_printk+0xf3/0xf3 [ 74.140461][ T8394] ? __warn.cold+0x1a/0x44 [ 74.144901][ T8394] ? __mutex_lock+0xc0b/0x1120 [ 74.150167][ T8394] __warn.cold+0x35/0x44 [ 74.154513][ T8394] ? wake_up_klogd.part.0+0x8e/0xd0 [ 74.160062][ T8394] ? __mutex_lock+0xc0b/0x1120 [ 74.164848][ T8394] report_bug+0x1bd/0x210 [ 74.169805][ T8394] handle_bug+0x3c/0x60 [ 74.174249][ T8394] exc_invalid_op+0x14/0x40 [ 74.178848][ T8394] asm_exc_invalid_op+0x12/0x20 [ 74.183706][ T8394] RIP: 0010:__mutex_lock+0xc0b/0x1120 [ 74.189109][ T8394] Code: 08 84 d2 0f 85 a3 04 00 00 8b 05 18 cb be 04 85 c0 0f 85 12 f5 ff ff 48 c7 c6 20 8b 6b 89 48 c7 c7 e0 88 6b 89 e8 b2 3b bd ff <0f> 0b e9 f8 f4 ff ff 65 48 8b 1c 25 00 f0 01 00 be 08 00 00 00 48 [ 74.208814][ T8394] RSP: 0018:ffffc90002a2f3f8 EFLAGS: 00010286 [ 74.215162][ T8394] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 74.223406][ T8394] RDX: ffff888020b554c0 RSI: ffffffff815c51f5 RDI: fffff52000545e71 [ 74.231547][ T8394] RBP: ffff8880195a4c90 R08: 0000000000000000 R09: 0000000000000000 [ 74.239542][ T8394] R10: ffffffff815bdf8e R11: 0000000000000000 R12: 0000000000000000 [ 74.247501][ T8394] R13: dffffc0000000000 R14: ffffc90002a2f5a8 R15: ffff888014580014 [ 74.255654][ T8394] ? wake_up_klogd.part.0+0x8e/0xd0 [ 74.261154][ T8394] ? vprintk_func+0x95/0x1e0 [ 74.266168][ T8394] ? __mutex_lock+0xc0b/0x1120 [ 74.270972][ T8394] ? ___sys_sendmsg+0xf3/0x170 [ 74.275847][ T8394] ? ieee802154_del_seclevel+0x3f/0x70 [ 74.281315][ T8394] ? mutex_lock_io_nested+0xf70/0xf70 [ 74.287116][ T8394] ? memset+0x20/0x40 [ 74.291116][ T8394] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 74.297359][ T8394] ? llsec_parse_seclevel+0x28c/0x3d0 [ 74.302808][ T8394] ? ieee802154_llsec_parse_dev_addr+0x370/0x370 [ 74.309159][ T8394] ieee802154_del_seclevel+0x3f/0x70 [ 74.314460][ T8394] nl802154_del_llsec_seclevel+0x1a7/0x250 [ 74.320370][ T8394] ? llsec_parse_seclevel+0x3d0/0x3d0 [ 74.325741][ T8394] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.331995][ T8394] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 74.339620][ T8394] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 74.346916][ T8394] genl_family_rcv_msg_doit+0x228/0x320 [ 74.352468][ T8394] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 74.359832][ T8394] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.366168][ T8394] ? ns_capable+0xde/0x100 [ 74.370596][ T8394] genl_rcv_msg+0x328/0x580 [ 74.375287][ T8394] ? genl_get_cmd+0x480/0x480 [ 74.380088][ T8394] ? llsec_parse_seclevel+0x3d0/0x3d0 [ 74.385471][ T8394] ? lock_release+0x720/0x720 [ 74.390152][ T8394] netlink_rcv_skb+0x153/0x420 [ 74.395051][ T8394] ? genl_get_cmd+0x480/0x480 [ 74.400367][ T8394] ? netlink_ack+0xaa0/0xaa0 [ 74.405827][ T8394] genl_rcv+0x24/0x40 [ 74.410239][ T8394] netlink_unicast+0x533/0x7d0 [ 74.416746][ T8394] ? netlink_attachskb+0x870/0x870 [ 74.422321][ T8394] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 74.428711][ T8394] ? __phys_addr_symbol+0x2c/0x70 [ 74.433821][ T8394] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 74.439543][ T8394] ? __check_object_size+0x171/0x3f0 [ 74.444839][ T8394] netlink_sendmsg+0x856/0xd90 [ 74.449640][ T8394] ? netlink_unicast+0x7d0/0x7d0 [ 74.454845][ T8394] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.461080][ T8394] ? netlink_unicast+0x7d0/0x7d0 [ 74.466006][ T8394] sock_sendmsg+0xcf/0x120 [ 74.470533][ T8394] ____sys_sendmsg+0x6e8/0x810 [ 74.475306][ T8394] ? kernel_sendmsg+0x50/0x50 [ 74.479989][ T8394] ? do_recvmmsg+0x6d0/0x6d0 [ 74.484565][ T8394] ? lock_chain_count+0x20/0x20 [ 74.489405][ T8394] ? stack_trace_consume_entry+0x160/0x160 [ 74.495315][ T8394] ___sys_sendmsg+0xf3/0x170 [ 74.499904][ T8394] ? sendmsg_copy_msghdr+0x160/0x160 [ 74.505214][ T8394] ? __lock_acquire+0x16b3/0x54c0 [ 74.510245][ T8394] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 74.516218][ T8394] ? lockdep_hardirqs_on+0x79/0x100 [ 74.521412][ T8394] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.527663][ T8394] ? __fget_light+0x215/0x280 [ 74.532349][ T8394] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 74.538582][ T8394] __sys_sendmsg+0xe5/0x1b0 [ 74.543075][ T8394] ? __sys_sendmsg_sock+0x30/0x30 [ 74.548102][ T8394] ? syscall_enter_from_user_mode+0x27/0x70 [ 74.554037][ T8394] do_syscall_64+0x2d/0x70 [ 74.558460][ T8394] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 74.567417][ T8394] RIP: 0033:0x440909 [ 74.571841][ T8394] 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 c0 ff ff ff f7 d8 64 89 01 48 [ 74.591474][ T8394] RSP: 002b:00007ffc43047c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 74.600126][ T8394] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 0000000000440909 [ 74.608089][ T8394] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000006 [ 74.616620][ T8394] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc43047dd8 [ 74.624768][ T8394] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403c10 [ 74.632750][ T8394] R13: 431bde82d7b634db R14: 00000000004ae018 R15: 00000000004004a0 [ 74.641271][ T8394] Kernel Offset: disabled [ 74.645868][ T8394] Rebooting in 86400 seconds..