[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 38.307030] audit: type=1800 audit(1546105465.847:25): pid=7691 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 38.339685] audit: type=1800 audit(1546105465.847:26): pid=7691 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 38.377176] audit: type=1800 audit(1546105465.847:27): pid=7691 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.104' (ECDSA) to the list of known hosts. 2018/12/29 17:44:39 parsed 1 programs 2018/12/29 17:44:41 executed programs: 0 syzkaller login: [ 53.846615] IPVS: ftp: loaded support on port[0] = 21 [ 54.091252] chnl_net:caif_netlink_parms(): no params data found [ 54.206779] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.214337] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.221729] device bridge_slave_0 entered promiscuous mode [ 54.240819] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.247231] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.254405] device bridge_slave_1 entered promiscuous mode [ 54.307904] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 54.329100] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 54.383203] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 54.390927] team0: Port device team_slave_0 added [ 54.408384] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 54.416146] team0: Port device team_slave_1 added [ 54.433172] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 54.452086] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.516066] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 54.534558] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 54.684722] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.691163] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.697914] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.704323] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.082971] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.100853] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.275907] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.332390] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.387098] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.393871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.402656] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.452532] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 55.458616] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.514901] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.522010] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.530297] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.538050] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.544476] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.592386] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 55.599519] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.607782] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.616143] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.622558] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.670812] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 55.677657] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.735010] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 55.742273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.800459] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 55.807278] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.817236] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.825642] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.874385] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 55.881442] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.889284] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.943771] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 55.950667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.963444] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.013286] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 56.020493] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.028675] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.364159] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 56.530520] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.859079] ================================================================== [ 56.866583] BUG: KASAN: use-after-free in __smc_diag_dump.isra.4+0x2792/0x2ae0 [ 56.873996] Read of size 8 at addr ffff888089d51160 by task syz-executor0/8279 [ 56.881343] [ 56.882970] CPU: 0 PID: 8279 Comm: syz-executor0 Not tainted 4.20.0+ #298 [ 56.889883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.899224] Call Trace: [ 56.901815] dump_stack+0x1d3/0x2c6 [ 56.905445] ? dump_stack_print_info.cold.1+0x20/0x20 [ 56.910643] ? printk+0xa7/0xcf [ 56.914011] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 56.918759] ? lock_release+0xa00/0xa00 [ 56.922738] print_address_description.cold.5+0x9/0x1ff [ 56.928097] ? __smc_diag_dump.isra.4+0x2792/0x2ae0 [ 56.933111] kasan_report.cold.6+0x1b/0x39 [ 56.937341] ? __smc_diag_dump.isra.4+0x2792/0x2ae0 [ 56.942361] ? __smc_diag_dump.isra.4+0x2792/0x2ae0 [ 56.947377] __asan_report_load8_noabort+0x14/0x20 [ 56.952303] __smc_diag_dump.isra.4+0x2792/0x2ae0 [ 56.957145] ? netlink_rcv_skb+0x1b5/0x430 [ 56.961375] ? sock_sendmsg+0xd5/0x120 [ 56.965261] ? smc_diag_handler_dump+0x350/0x350 [ 56.970017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.975554] ? check_preemption_disabled+0x48/0x280 [ 56.980575] ? __lock_is_held+0xb5/0x140 [ 56.984651] ? __kmalloc_node_track_caller+0x3c/0x70 [ 56.989748] ? rcu_read_lock_sched_held+0x108/0x120 [ 56.994768] ? kasan_unpoison_shadow+0x35/0x50 [ 56.999350] ? lock_acquire+0x1ed/0x520 [ 57.003322] ? smc_diag_dump_proto.isra.5+0xf8/0x3c0 [ 57.008423] ? __kmalloc_node_track_caller+0x4d/0x70 [ 57.013525] ? lock_release+0xa00/0xa00 [ 57.017502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.023039] ? __alloc_skb+0x4bd/0x760 [ 57.026918] ? __netlink_dump_start+0x592/0x7c0 [ 57.031617] ? kasan_check_write+0x14/0x20 [ 57.035858] smc_diag_dump_proto.isra.5+0x2e8/0x3c0 [ 57.040876] ? __smc_diag_dump.isra.4+0x2ae0/0x2ae0 [ 57.045893] ? kasan_check_write+0x14/0x20 [ 57.050126] smc_diag_dump+0x26/0x70 [ 57.053840] netlink_dump+0x600/0x1080 [ 57.057722] ? check_preemption_disabled+0x48/0x280 [ 57.062751] ? netlink_broadcast+0x50/0x50 [ 57.066999] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 57.072300] ? rcu_read_unlock_special+0x370/0x370 [ 57.077239] __netlink_dump_start+0x59a/0x7c0 [ 57.081740] smc_diag_handler_dump+0x2a3/0x350 [ 57.086318] ? smc_gid_be16_convert+0x2c0/0x2c0 [ 57.090983] ? smc_diag_dump_proto.isra.5+0x3c0/0x3c0 [ 57.096172] ? netlink_deliver_tap+0x355/0xf40 [ 57.100761] sock_diag_rcv_msg+0x31d/0x410 [ 57.104997] netlink_rcv_skb+0x16c/0x430 [ 57.109056] ? sock_diag_bind+0x80/0x80 [ 57.113033] ? netlink_ack+0xb70/0xb70 [ 57.116930] sock_diag_rcv+0x2a/0x40 [ 57.120645] netlink_unicast+0x59f/0x750 [ 57.124711] ? netlink_attachskb+0x9a0/0x9a0 [ 57.129117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.134652] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 57.139668] netlink_sendmsg+0xa18/0xfc0 [ 57.143731] ? netlink_unicast+0x750/0x750 [ 57.147969] ? aa_sock_msg_perm.isra.14+0xba/0x160 [ 57.153244] ? apparmor_socket_sendmsg+0x29/0x30 [ 57.158000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.163538] ? security_socket_sendmsg+0x94/0xc0 [ 57.168287] ? netlink_unicast+0x750/0x750 [ 57.172518] sock_sendmsg+0xd5/0x120 [ 57.176228] ___sys_sendmsg+0x7fd/0x930 [ 57.180204] ? copy_msghdr_from_user+0x580/0x580 [ 57.184971] ? __fget_light+0x2e9/0x430 [ 57.188946] ? fget_raw+0x20/0x20 [ 57.192396] ? __might_fault+0x12b/0x1e0 [ 57.196457] ? lock_downgrade+0x900/0x900 [ 57.200613] ? lock_release+0xa00/0xa00 [ 57.204594] ? arch_local_save_flags+0x40/0x40 [ 57.209172] ? pvclock_read_flags+0x160/0x160 [ 57.213661] ? posix_ktime_get_ts+0x15/0x20 [ 57.217980] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 57.223429] ? __local_bh_enable_ip+0x1a3/0x260 [ 57.228104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 57.233636] ? sockfd_lookup_light+0xc5/0x160 [ 57.238127] __sys_sendmsg+0x11d/0x280 [ 57.242017] ? __ia32_sys_shutdown+0x80/0x80 [ 57.246422] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 57.251959] ? put_old_timespec32+0x110/0x280 [ 57.256470] ? do_fast_syscall_32+0x150/0xfb2 [ 57.260994] ? do_fast_syscall_32+0x150/0xfb2 [ 57.265497] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 57.270958] __ia32_compat_sys_sendmsg+0x7a/0xb0 [ 57.275714] do_fast_syscall_32+0x34d/0xfb2 [ 57.280036] ? do_int80_syscall_32+0x890/0x890 [ 57.284625] ? entry_SYSENTER_compat+0x68/0x7f [ 57.289207] ? trace_hardirqs_off_caller+0xbb/0x310 [ 57.294220] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.299057] ? trace_hardirqs_on_caller+0x310/0x310 [ 57.304076] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 57.309087] ? recalc_sigpending_tsk+0x180/0x180 [ 57.313841] ? __switch_to_asm+0x40/0x70 [ 57.317895] ? __switch_to_asm+0x34/0x70 [ 57.321963] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.326808] entry_SYSENTER_compat+0x70/0x7f [ 57.331212] RIP: 0023:0xf7f23849 [ 57.334580] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 57.353501] RSP: 002b:00000000f7f1f0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000172 [ 57.361202] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000020000040 [ 57.368462] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 57.375727] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.382995] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 57.390268] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 57.397556] [ 57.399174] Allocated by task 8279: [ 57.402831] save_stack+0x43/0xd0 [ 57.406274] kasan_kmalloc+0xcb/0xd0 [ 57.410014] kasan_slab_alloc+0x12/0x20 [ 57.413983] kmem_cache_alloc+0x130/0x730 [ 57.418126] sock_alloc_inode+0x1d/0x260 [ 57.422185] alloc_inode+0x63/0x190 [ 57.425808] new_inode_pseudo+0x71/0x1a0 [ 57.429860] sock_alloc+0x41/0x270 [ 57.433392] __sock_create+0x175/0x930 [ 57.437286] sock_create_kern+0x3b/0x50 [ 57.441385] smc_create+0x17c/0x3b0 [ 57.445021] __sock_create+0x536/0x930 [ 57.448899] __sys_socket+0x106/0x260 [ 57.452694] __ia32_sys_socket+0x73/0xb0 [ 57.456749] do_fast_syscall_32+0x34d/0xfb2 [ 57.461068] entry_SYSENTER_compat+0x70/0x7f [ 57.465464] [ 57.467081] Freed by task 8278: [ 57.470353] save_stack+0x43/0xd0 [ 57.473800] __kasan_slab_free+0x102/0x150 [ 57.478029] kasan_slab_free+0xe/0x10 [ 57.481823] kmem_cache_free+0x83/0x290 [ 57.485792] sock_destroy_inode+0x51/0x60 [ 57.489933] destroy_inode+0x159/0x200 [ 57.493820] evict+0x5e0/0x980 [ 57.497005] iput+0x679/0xa90 [ 57.500109] __sock_release+0x1ec/0x250 [ 57.504076] sock_release+0x17/0x20 [ 57.507702] smc_release+0x297/0x9a0 [ 57.511411] __sock_release+0xd7/0x250 [ 57.515294] sock_close+0x19/0x20 [ 57.518736] __fput+0x385/0xa50 [ 57.522020] ____fput+0x15/0x20 [ 57.525293] task_work_run+0x1e8/0x2a0 [ 57.529172] exit_to_usermode_loop+0x318/0x380 [ 57.533762] do_fast_syscall_32+0xcd5/0xfb2 [ 57.538079] entry_SYSENTER_compat+0x70/0x7f [ 57.542470] [ 57.544093] The buggy address belongs to the object at ffff888089d51140 [ 57.544093] which belongs to the cache sock_inode_cache(17:syz0) of size 976 [ 57.557973] The buggy address is located 32 bytes inside of [ 57.557973] 976-byte region [ffff888089d51140, ffff888089d51510) [ 57.569746] The buggy address belongs to the page: [ 57.574669] page:ffffea0002275440 count:1 mapcount:0 mapping:ffff88809a781980 index:0xffff888089d51ffd [ 57.584108] flags: 0x1fffc0000000200(slab) [ 57.588343] raw: 01fffc0000000200 ffffea00022746c8 ffffea00025ba908 ffff88809a781980 [ 57.596226] raw: ffff888089d51ffd ffff888089d51140 0000000100000003 ffff888085e92d80 [ 57.604092] page dumped because: kasan: bad access detected [ 57.609931] page->mem_cgroup:ffff888085e92d80 [ 57.614419] [ 57.616033] Memory state around the buggy address: [ 57.620956] ffff888089d51000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 57.628309] ffff888089d51080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 57.635663] >ffff888089d51100: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 57.643009] ^ [ 57.649507] ffff888089d51180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 57.656890] ffff888089d51200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 57.664239] ================================================================== [ 57.671594] Disabling lock debugging due to kernel taint [ 57.677866] Kernel panic - not syncing: panic_on_warn set ... [ 57.683760] CPU: 0 PID: 8279 Comm: syz-executor0 Tainted: G B 4.20.0+ #298 [ 57.692064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.701406] Call Trace: [ 57.703998] dump_stack+0x1d3/0x2c6 [ 57.707623] ? dump_stack_print_info.cold.1+0x20/0x20 [ 57.712811] ? __smc_diag_dump.isra.4+0x2720/0x2ae0 [ 57.717822] panic+0x2ad/0x55f [ 57.721008] ? add_taint.cold.5+0x16/0x16 [ 57.725150] ? trace_hardirqs_on+0xb4/0x310 [ 57.729471] ? __smc_diag_dump.isra.4+0x2792/0x2ae0 [ 57.734482] end_report+0x47/0x4f [ 57.737928] kasan_report.cold.6+0xe/0x39 [ 57.742077] ? __smc_diag_dump.isra.4+0x2792/0x2ae0 [ 57.747086] ? __smc_diag_dump.isra.4+0x2792/0x2ae0 [ 57.752098] __asan_report_load8_noabort+0x14/0x20 [ 57.757024] __smc_diag_dump.isra.4+0x2792/0x2ae0 [ 57.761860] ? netlink_rcv_skb+0x1b5/0x430 [ 57.766086] ? sock_sendmsg+0xd5/0x120 [ 57.769968] ? smc_diag_handler_dump+0x350/0x350 [ 57.774723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.780259] ? check_preemption_disabled+0x48/0x280 [ 57.785269] ? __lock_is_held+0xb5/0x140 [ 57.789331] ? __kmalloc_node_track_caller+0x3c/0x70 [ 57.794426] ? rcu_read_lock_sched_held+0x108/0x120 [ 57.799442] ? kasan_unpoison_shadow+0x35/0x50 [ 57.804021] ? lock_acquire+0x1ed/0x520 [ 57.807994] ? smc_diag_dump_proto.isra.5+0xf8/0x3c0 [ 57.813091] ? __kmalloc_node_track_caller+0x4d/0x70 [ 57.818186] ? lock_release+0xa00/0xa00 [ 57.822158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.827690] ? __alloc_skb+0x4bd/0x760 [ 57.831572] ? __netlink_dump_start+0x592/0x7c0 [ 57.836246] ? kasan_check_write+0x14/0x20 [ 57.840480] smc_diag_dump_proto.isra.5+0x2e8/0x3c0 [ 57.845493] ? __smc_diag_dump.isra.4+0x2ae0/0x2ae0 [ 57.850503] ? kasan_check_write+0x14/0x20 [ 57.854733] smc_diag_dump+0x26/0x70 [ 57.858442] netlink_dump+0x600/0x1080 [ 57.862324] ? check_preemption_disabled+0x48/0x280 [ 57.867335] ? netlink_broadcast+0x50/0x50 [ 57.871566] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 57.876865] ? rcu_read_unlock_special+0x370/0x370 [ 57.881795] __netlink_dump_start+0x59a/0x7c0 [ 57.886290] smc_diag_handler_dump+0x2a3/0x350 [ 57.890866] ? smc_gid_be16_convert+0x2c0/0x2c0 [ 57.895532] ? smc_diag_dump_proto.isra.5+0x3c0/0x3c0 [ 57.900716] ? netlink_deliver_tap+0x355/0xf40 [ 57.905298] sock_diag_rcv_msg+0x31d/0x410 [ 57.909529] netlink_rcv_skb+0x16c/0x430 [ 57.913592] ? sock_diag_bind+0x80/0x80 [ 57.917577] ? netlink_ack+0xb70/0xb70 [ 57.921475] sock_diag_rcv+0x2a/0x40 [ 57.925182] netlink_unicast+0x59f/0x750 [ 57.929237] ? netlink_attachskb+0x9a0/0x9a0 [ 57.933642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.939176] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 57.944188] netlink_sendmsg+0xa18/0xfc0 [ 57.948246] ? netlink_unicast+0x750/0x750 [ 57.952476] ? aa_sock_msg_perm.isra.14+0xba/0x160 [ 57.957401] ? apparmor_socket_sendmsg+0x29/0x30 [ 57.962168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.967700] ? security_socket_sendmsg+0x94/0xc0 [ 57.972450] ? netlink_unicast+0x750/0x750 [ 57.976682] sock_sendmsg+0xd5/0x120 [ 57.980389] ___sys_sendmsg+0x7fd/0x930 [ 57.984374] ? copy_msghdr_from_user+0x580/0x580 [ 57.989130] ? __fget_light+0x2e9/0x430 [ 57.993099] ? fget_raw+0x20/0x20 [ 57.996543] ? __might_fault+0x12b/0x1e0 [ 58.000617] ? lock_downgrade+0x900/0x900 [ 58.004763] ? lock_release+0xa00/0xa00 [ 58.008731] ? arch_local_save_flags+0x40/0x40 [ 58.013309] ? pvclock_read_flags+0x160/0x160 [ 58.017795] ? posix_ktime_get_ts+0x15/0x20 [ 58.022109] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 58.027551] ? __local_bh_enable_ip+0x1a3/0x260 [ 58.032223] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 58.037753] ? sockfd_lookup_light+0xc5/0x160 [ 58.042242] __sys_sendmsg+0x11d/0x280 [ 58.046123] ? __ia32_sys_shutdown+0x80/0x80 [ 58.050529] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 58.056057] ? put_old_timespec32+0x110/0x280 [ 58.060548] ? do_fast_syscall_32+0x150/0xfb2 [ 58.065037] ? do_fast_syscall_32+0x150/0xfb2 [ 58.069633] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 58.075084] __ia32_compat_sys_sendmsg+0x7a/0xb0 [ 58.079838] do_fast_syscall_32+0x34d/0xfb2 [ 58.084153] ? do_int80_syscall_32+0x890/0x890 [ 58.088732] ? entry_SYSENTER_compat+0x68/0x7f [ 58.093309] ? trace_hardirqs_off_caller+0xbb/0x310 [ 58.098317] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.103152] ? trace_hardirqs_on_caller+0x310/0x310 [ 58.108159] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 58.113168] ? recalc_sigpending_tsk+0x180/0x180 [ 58.117919] ? __switch_to_asm+0x40/0x70 [ 58.121973] ? __switch_to_asm+0x34/0x70 [ 58.126029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.130868] entry_SYSENTER_compat+0x70/0x7f [ 58.135269] RIP: 0023:0xf7f23849 [ 58.138630] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 58.157526] RSP: 002b:00000000f7f1f0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000172 [ 58.165224] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000020000040 [ 58.172488] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 58.179761] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 58.187019] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 58.194275] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 58.202434] Kernel Offset: disabled [ 58.206055] Rebooting in 86400 seconds..