[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 36.283501][ T23] audit: type=1800 audit(1572419789.970:25): pid=7112 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2447 res=0 [ 36.328579][ T23] audit: type=1800 audit(1572419789.970:26): pid=7112 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2490 res=0 [ 36.352179][ T23] audit: type=1800 audit(1572419789.970:27): pid=7112 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2469 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 '10.128.1.7' (ECDSA) to the list of known hosts. 2019/10/30 07:16:41 fuzzer started 2019/10/30 07:16:43 dialing manager at 10.128.0.105:40771 2019/10/30 07:16:43 syscalls: 2540 2019/10/30 07:16:43 code coverage: enabled 2019/10/30 07:16:43 comparison tracing: enabled 2019/10/30 07:16:43 extra coverage: extra coverage is not supported by the kernel 2019/10/30 07:16:43 setuid sandbox: enabled 2019/10/30 07:16:43 namespace sandbox: enabled 2019/10/30 07:16:43 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/30 07:16:43 fault injection: enabled 2019/10/30 07:16:43 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/30 07:16:43 net packet injection: enabled 2019/10/30 07:16:43 net device setup: enabled 2019/10/30 07:16:43 concurrency sanitizer: enabled syzkaller login: [ 60.291193][ T7283] KCSAN: could not find function: 'poll_schedule_timeout' 2019/10/30 07:17:08 adding functions to KCSAN blacklist: '__cgroup_account_cputime' 'blk_mq_run_hw_queue' 'do_nanosleep' 'find_get_pages_range_tag' 'do_syslog' 'atime_needs_update' 'ktime_get_seconds' 'icmp_global_allow' 'dccp_rcv_reset' 'xprt_connect' 'n_tty_receive_buf_common' 'snd_seq_prioq_cell_out' 'do_readlinkat' '__dev_queue_xmit' 'ext4_mb_good_group' 'mem_cgroup_protected' 'alloc_pid' 'exit_signals' 'filemap_map_pages' 'fsnotify' 'do_signal_stop' 'do_exit' 'tcp_poll' 'ktime_get_with_offset' 'timer_clear_idle' '__skb_try_recv_from_queue' 'ext4_mark_iloc_dirty' 'snd_ctl_notify' 'ktime_get_real_seconds' 'find_group_orlov' 'xas_find_marked' '__hrtimer_run_queues' 'pipe_wait' 'sit_tunnel_xmit' '__nf_conntrack_find_get' 'ext4_free_inodes_count' 'kcm_wait_data' 'blk_stat_add' 'relay_switch_subbuf' '__es_shrink' '__ext4_new_inode' 'getboottime64' 'poll_schedule_timeout' 'copy_process' 'snapshot_refaults' 'snd_seq_check_queue' 'tomoyo_supervisor' 'blk_mq_get_request' 'blk_mq_sched_dispatch_requests' 'shmem_file_read_iter' 'iput' 'delete_from_page_cache_batch' 'tcp_add_backlog' 'ep_poll' 'tick_sched_do_timer' 'blk_mq_dispatch_rq_list' 'echo_char' 'ip_finish_output2' '__delete_from_page_cache' 'list_lru_count_one' '__nf_ct_refresh_acct' 'wbt_done' 'dd_has_work' 'ktime_get_ts64' 'get_task_cred' '__alloc_file' 'ext4_free_inode' 'tick_nohz_idle_stop_tick' 'blk_mq_free_request' 'shmem_getpage_gfp' 'osq_lock' 'audit_log_start' 'process_srcu' '__mark_inode_dirty' 'commit_echoes' 'kauditd_thread' 'generic_permission' 'vm_area_dup' '__skb_wait_for_more_packets' 'evict' 'page_counter_try_charge' '__snd_rawmidi_transmit_ack' 'ext4_has_free_clusters' 'generic_file_read_iter' 'mem_cgroup_select_victim_node' 'inet_putpeer' 'task_dump_owner' 'mod_timer' 'rcu_gp_fqs_loop' 'd_alloc_parallel' 'generic_write_end' 'tick_do_update_jiffies64' 'pid_update_inode' 'generic_fillattr' 'list_lru_add' 'run_timer_softirq' 'add_timer' 'mm_update_next_owner' '__add_to_page_cache_locked' 'virtqueue_disable_cb' 'balance_dirty_pages' 'taskstats_exit' 'enqueue_timer' '__find_get_block' 'rcu_gp_fqs_check_wake' 'bio_endio' 'ext4_da_write_end' 'update_defense_level' 'ext4_nonda_switch' 'get_signal' 'tcp_v4_rcv' 'unix_release_sock' 'pcpu_alloc' 'install_new_memslots' 'pipe_poll' 'p9_poll_workfn' 'sk_wait_data' 'yama_ptracer_del' 'kernfs_refresh_inode' 'udp_set_dev_scratch' 'find_next_bit' 'queue_access_lock' 07:21:30 executing program 0: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x0, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f0000000440)=""/246) pipe(&(0x7f00000003c0)={0xffffffffffffffff, 0xffffffffffffffff}) dup3(r1, r0, 0x0) 07:21:30 executing program 1: open(&(0x7f00000000c0)='./bus\x00', 0x106b2, 0x0) r0 = open(&(0x7f0000000180)='./bus\x00', 0x0, 0x0) mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x4, 0x810, r0, 0x0) mincore(&(0x7f0000ffb000/0x4000)=nil, 0x4000, &(0x7f00000001c0)=""/169) getuid() [ 336.811489][ T7290] IPVS: ftp: loaded support on port[0] = 21 [ 336.975862][ T7290] chnl_net:caif_netlink_parms(): no params data found [ 337.023446][ T7290] bridge0: port 1(bridge_slave_0) entered blocking state [ 337.031776][ T7290] bridge0: port 1(bridge_slave_0) entered disabled state [ 337.039685][ T7290] device bridge_slave_0 entered promiscuous mode [ 337.047895][ T7290] bridge0: port 2(bridge_slave_1) entered blocking state [ 337.055855][ T7290] bridge0: port 2(bridge_slave_1) entered disabled state [ 337.063985][ T7290] device bridge_slave_1 entered promiscuous mode [ 337.085892][ T7293] IPVS: ftp: loaded support on port[0] = 21 [ 337.088820][ T7290] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 337.103334][ T7290] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 337.130407][ T7290] team0: Port device team_slave_0 added [ 337.139353][ T7290] team0: Port device team_slave_1 added 07:21:30 executing program 2: socket$inet6(0xa, 0x696afeb95ee97b88, 0x6) r0 = dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x80000) socket(0x10, 0x2, 0xff) setsockopt$inet_tcp_TCP_REPAIR(r0, 0x6, 0x13, &(0x7f0000000000)=0xffffffffffffffff, 0x18312611) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) mkdirat(0xffffffffffffffff, 0x0, 0x48) r1 = socket$inet6(0xa, 0x400000000001, 0x0) r2 = dup(r1) getsockopt$sock_cred(r1, 0x1, 0x11, 0x0, &(0x7f0000000180)) ioctl$sock_FIOSETOWN(0xffffffffffffffff, 0x8901, &(0x7f0000000240)=0xffffffffffffffff) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000040)={0x0, 0x0}) setpgid(0x0, r3) ioctl(0xffffffffffffffff, 0x5452, &(0x7f0000000000)) syz_open_procfs(0x0, 0x0) quotactl(0x0, 0x0, 0x0, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0xa, &(0x7f0000000100)=0x81, 0x195) bind$inet6(r1, &(0x7f00000000c0)={0xa, 0x8000000004e20}, 0x1c) sendto$inet6(r1, 0x0, 0x0, 0x28048018, &(0x7f00000001c0)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x31, &(0x7f0000000140), 0x4) ioctl$EVIOCGABS20(0xffffffffffffffff, 0x80184560, 0x0) clock_adjtime(0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r4 = syz_open_procfs(0x0, 0x0) preadv(r4, 0x0, 0x0, 0x10400003) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x37, 0x0, 0x0) r5 = open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, 0x0, 0x0) ioctl$FS_IOC_MEASURE_VERITY(0xffffffffffffffff, 0xc0046686, 0x0) ioctl$SNDRV_TIMER_IOCTL_CONTINUE(0xffffffffffffffff, 0x54a2) ftruncate(r5, 0x7fff) sendfile(r2, r5, 0x0, 0x8040fffffffd) [ 337.233156][ T7290] device hsr_slave_0 entered promiscuous mode [ 337.270143][ T7290] device hsr_slave_1 entered promiscuous mode [ 337.476070][ T7290] bridge0: port 2(bridge_slave_1) entered blocking state [ 337.483216][ T7290] bridge0: port 2(bridge_slave_1) entered forwarding state [ 337.490551][ T7290] bridge0: port 1(bridge_slave_0) entered blocking state [ 337.497610][ T7290] bridge0: port 1(bridge_slave_0) entered forwarding state [ 337.697490][ T7300] IPVS: ftp: loaded support on port[0] = 21 [ 337.708046][ T7293] chnl_net:caif_netlink_parms(): no params data found [ 337.857323][ T7293] bridge0: port 1(bridge_slave_0) entered blocking state [ 337.890577][ T7293] bridge0: port 1(bridge_slave_0) entered disabled state [ 337.919887][ T7293] device bridge_slave_0 entered promiscuous mode [ 337.944691][ T7293] bridge0: port 2(bridge_slave_1) entered blocking state 07:21:31 executing program 3: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_elf64(r2, &(0x7f0000000040)=ANY=[@ANYPTR64=&(0x7f0000000000)=ANY=[@ANYRES16=0x0]], 0xfd3f) rt_sigprocmask(0x0, &(0x7f0000032ff8)={0xfffffffffffffffe}, 0x0, 0x8) close(r1) pipe(&(0x7f00000006c0)={0xffffffffffffffff, 0xffffffffffffffff}) close(r4) tee(r3, r2, 0x4, 0x0) [ 337.971369][ T7293] bridge0: port 2(bridge_slave_1) entered disabled state [ 337.991617][ T7293] device bridge_slave_1 entered promiscuous mode [ 338.062523][ T7294] bridge0: port 1(bridge_slave_0) entered disabled state [ 338.091391][ T7294] bridge0: port 2(bridge_slave_1) entered disabled state [ 338.130416][ T7290] 8021q: adding VLAN 0 to HW filter on device bond0 [ 338.139370][ T7293] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 338.181075][ T7293] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 338.300228][ T7293] team0: Port device team_slave_0 added [ 338.340296][ T7293] team0: Port device team_slave_1 added [ 338.389377][ T7290] 8021q: adding VLAN 0 to HW filter on device team0 [ 338.421948][ T7323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 338.430648][ T7323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 338.525050][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 338.542230][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 338.571491][ T3007] bridge0: port 1(bridge_slave_0) entered blocking state [ 338.578589][ T3007] bridge0: port 1(bridge_slave_0) entered forwarding state [ 338.630824][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 338.662310][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 338.682098][ T3007] bridge0: port 2(bridge_slave_1) entered blocking state [ 338.689255][ T3007] bridge0: port 2(bridge_slave_1) entered forwarding state [ 338.728616][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 338.763145][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 338.791455][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 338.830891][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 338.893033][ T7293] device hsr_slave_0 entered promiscuous mode [ 338.930177][ T7293] device hsr_slave_1 entered promiscuous mode [ 338.971699][ T7293] debugfs: Directory 'hsr0' with parent '/' already present! [ 338.987250][ T7290] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network 07:21:32 executing program 4: r0 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) write$P9_RWALK(0xffffffffffffffff, 0x0, 0x0) r1 = perf_event_open(&(0x7f0000000180)={0x6, 0x70, 0x0, 0x0, 0x0, 0x0, 0xfffffff6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r0, r1) [ 339.039913][ T7290] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 339.081659][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 339.095609][ T7326] IPVS: ftp: loaded support on port[0] = 21 [ 339.105645][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 339.161184][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 339.212585][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 339.241561][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 339.280915][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 339.312327][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 339.352590][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 339.599333][ T7338] IPVS: ftp: loaded support on port[0] = 21 [ 339.630116][ T7290] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 339.642001][ T7300] chnl_net:caif_netlink_parms(): no params data found [ 339.947756][ T7300] bridge0: port 1(bridge_slave_0) entered blocking state [ 339.966595][ T7300] bridge0: port 1(bridge_slave_0) entered disabled state [ 339.991037][ T7300] device bridge_slave_0 entered promiscuous mode [ 340.053255][ T7326] chnl_net:caif_netlink_parms(): no params data found [ 340.148675][ T7293] 8021q: adding VLAN 0 to HW filter on device bond0 [ 340.168292][ T7300] bridge0: port 2(bridge_slave_1) entered blocking state [ 340.179900][ T7300] bridge0: port 2(bridge_slave_1) entered disabled state [ 340.239912][ T7300] device bridge_slave_1 entered promiscuous mode [ 340.305883][ T7293] 8021q: adding VLAN 0 to HW filter on device team0 [ 340.340107][ T7300] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 340.371385][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 340.386218][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 340.474502][ T7300] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 340.503576][ T7323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 340.517903][ T7323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready 07:21:34 executing program 5: perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xee6a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r1 = open(&(0x7f0000000140)='./bus\x00', 0x0, 0x0) ioctl$FICLONERANGE(r1, 0x4020940d, &(0x7f00000000c0)={r0}) [ 340.552846][ T7323] bridge0: port 1(bridge_slave_0) entered blocking state [ 340.559979][ T7323] bridge0: port 1(bridge_slave_0) entered forwarding state [ 340.611989][ T7323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 340.644982][ T7323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 340.676190][ T7323] bridge0: port 2(bridge_slave_1) entered blocking state [ 340.683338][ T7323] bridge0: port 2(bridge_slave_1) entered forwarding state [ 340.734581][ T7323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 340.767837][ T7323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 340.899949][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 340.965761][ T7294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 340.983815][ T7294] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 341.030044][ T7294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 341.063456][ T7294] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 341.101255][ T7294] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 341.115278][ T7300] team0: Port device team_slave_0 added [ 341.147434][ T7338] chnl_net:caif_netlink_parms(): no params data found [ 341.178773][ T7293] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 341.193461][ T7293] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 341.221771][ T7326] bridge0: port 1(bridge_slave_0) entered blocking state [ 341.228961][ T7326] bridge0: port 1(bridge_slave_0) entered disabled state [ 341.254063][ T7326] device bridge_slave_0 entered promiscuous mode [ 341.287660][ T7371] IPVS: ftp: loaded support on port[0] = 21 [ 341.294894][ T7300] team0: Port device team_slave_1 added [ 341.304613][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 341.330697][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 341.339549][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready 07:21:35 executing program 0: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x0, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f0000000440)=""/246) pipe(&(0x7f00000003c0)={0xffffffffffffffff, 0xffffffffffffffff}) dup3(r1, r0, 0x0) [ 341.392055][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 341.437419][ T7326] bridge0: port 2(bridge_slave_1) entered blocking state [ 341.452176][ T7326] bridge0: port 2(bridge_slave_1) entered disabled state [ 341.484700][ T7326] device bridge_slave_1 entered promiscuous mode [ 341.593241][ T7326] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 341.637252][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 341.660495][ T7326] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 341.672441][ T7293] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 341.812972][ T7300] device hsr_slave_0 entered promiscuous mode [ 341.828239][ T7300] device hsr_slave_1 entered promiscuous mode [ 341.884071][ T7300] debugfs: Directory 'hsr0' with parent '/' already present! [ 341.921576][ T7338] bridge0: port 1(bridge_slave_0) entered blocking state [ 341.930231][ T7338] bridge0: port 1(bridge_slave_0) entered disabled state [ 341.938266][ T7338] device bridge_slave_0 entered promiscuous mode 07:21:35 executing program 0: r0 = socket$inet(0x2, 0x200000002, 0x0) bind$inet(r0, &(0x7f0000000040)={0x2, 0x4e21, @multicast1}, 0x10) setsockopt$inet_udp_encap(r0, 0x11, 0x64, &(0x7f0000000180)=0x2, 0x4) syz_emit_ethernet(0x3e, &(0x7f00000000c0)={@link_local, @dev, [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x30, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @multicast1}, @udp={0x0, 0x4e21, 0x1c, 0x0, [@guehdr={0x1}, @guehdr={0x1}, @guehdr={0x1}], "0006000000000000"}}}}}, 0x0) [ 341.989289][ T7326] team0: Port device team_slave_0 added [ 342.027068][ T7338] bridge0: port 2(bridge_slave_1) entered blocking state [ 342.058721][ T7338] bridge0: port 2(bridge_slave_1) entered disabled state [ 342.089071][ T7338] device bridge_slave_1 entered promiscuous mode [ 342.170865][ T7326] team0: Port device team_slave_1 added [ 342.300278][ T7338] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 07:21:36 executing program 0: syz_open_dev$sndmidi(&(0x7f0000000100)='/dev/snd/midiC#D#\x00', 0x2, 0xa1a41) [ 342.375676][ T7338] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 342.516750][ T7326] device hsr_slave_0 entered promiscuous mode 07:21:36 executing program 1: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() r1 = creat(&(0x7f00000000c0)='./file1\x00', 0x0) write$eventfd(r1, &(0x7f0000000080), 0xfffffe5e) fdatasync(r1) perf_event_open(&(0x7f0000000040)={0x4, 0x70, 0x7f, 0x80, 0xcb, 0xa9, 0x0, 0x3, 0x10011, 0x8, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0xe7e6, 0x0, @perf_bp={0x0, 0x2}, 0x8000, 0x0, 0x8, 0x1, 0xffffffff, 0x0, 0xfff}, r0, 0xd, 0xffffffffffffffff, 0x0) wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f00000001c0)="665306ffffea3c07bc3376003639405cb4aed12f0000000000ae47a825d86800278dcff47d010000805ae64f8f36460234432479aed75d492b41fd983f79e65199615607672c59957ab35f4ad614fd33cebbc150bb2b03b5b2461179f5f90bba001b3096116888df13fd41a483c38340015080da6218a81069f2858ec973328e5a2c078a3fe3b52020203517e25ee74e82ba80a0fa881e689f7615baf78f08ea33bcb860d6a0b65d658c16f22a9cd1db9af8f9979695f5ca7c3636ecfead2098b4a5c259b8602dd9a2d2fa31e598713ce29bdb54", 0xd4}], 0x4, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) r2 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) tkill(r0, 0x3c) ptrace$cont(0x18, r0, 0x0, 0x0) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) ptrace$setregs(0xffffffffffffffff, 0x0, 0x0, 0x0) ptrace$cont(0xffffffffffffffff, 0x0, 0x0, 0x0) [ 342.560241][ T7326] device hsr_slave_1 entered promiscuous mode [ 342.613859][ T7326] debugfs: Directory 'hsr0' with parent '/' already present! [ 342.659578][ T7338] team0: Port device team_slave_0 added [ 342.728193][ T7338] team0: Port device team_slave_1 added 07:21:36 executing program 1: 07:21:36 executing program 0: [ 342.886722][ T7371] chnl_net:caif_netlink_parms(): no params data found [ 343.002947][ T7338] device hsr_slave_0 entered promiscuous mode [ 343.046895][ T7338] device hsr_slave_1 entered promiscuous mode [ 343.179896][ T7338] debugfs: Directory 'hsr0' with parent '/' already present! [ 343.190533][ T7300] 8021q: adding VLAN 0 to HW filter on device bond0 [ 343.336564][ T7300] 8021q: adding VLAN 0 to HW filter on device team0 [ 343.387841][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 343.417125][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 07:21:37 executing program 1: [ 343.545395][ T7294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 343.573255][ T7294] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready 07:21:37 executing program 0: [ 343.657341][ T7294] bridge0: port 1(bridge_slave_0) entered blocking state [ 343.664557][ T7294] bridge0: port 1(bridge_slave_0) entered forwarding state [ 343.840628][ T7294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 343.849435][ T7294] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 344.010408][ T7294] bridge0: port 2(bridge_slave_1) entered blocking state [ 344.017533][ T7294] bridge0: port 2(bridge_slave_1) entered forwarding state [ 344.120693][ T7294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 344.255416][ T7371] bridge0: port 1(bridge_slave_0) entered blocking state [ 344.274333][ T7371] bridge0: port 1(bridge_slave_0) entered disabled state [ 344.371533][ T7371] device bridge_slave_0 entered promiscuous mode [ 344.453987][ T7326] 8021q: adding VLAN 0 to HW filter on device bond0 [ 344.576238][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 344.592785][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 344.668648][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 344.730812][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 344.804822][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 344.890905][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 344.965456][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 345.045250][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 345.130637][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 345.139165][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 345.261309][ T7300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 345.269102][ T7371] bridge0: port 2(bridge_slave_1) entered blocking state [ 345.281925][ T7371] bridge0: port 2(bridge_slave_1) entered disabled state [ 345.360094][ T7371] device bridge_slave_1 entered promiscuous mode [ 345.446768][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 345.465798][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 345.530656][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 345.581772][ T7326] 8021q: adding VLAN 0 to HW filter on device team0 [ 345.629042][ T7300] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 345.725643][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 345.780759][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 345.789296][ T3001] bridge0: port 1(bridge_slave_0) entered blocking state [ 345.796465][ T3001] bridge0: port 1(bridge_slave_0) entered forwarding state [ 345.941070][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 346.010013][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 346.018568][ T3001] bridge0: port 2(bridge_slave_1) entered blocking state [ 346.025650][ T3001] bridge0: port 2(bridge_slave_1) entered forwarding state [ 346.160807][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 346.241238][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 346.335552][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 346.410916][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 346.482348][ T7371] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 346.508495][ T7338] 8021q: adding VLAN 0 to HW filter on device bond0 [ 346.567393][ T7326] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 346.631168][ T7326] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 346.719721][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 346.750774][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 346.791131][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 346.840130][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 346.849361][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 346.900738][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 346.909596][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 346.970285][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 347.012628][ T7371] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 347.057173][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 347.107801][ T7371] team0: Port device team_slave_0 added [ 347.161724][ T7371] team0: Port device team_slave_1 added [ 347.186865][ T7326] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 347.224112][ T7338] 8021q: adding VLAN 0 to HW filter on device team0 [ 347.242798][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 347.275291][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 347.334401][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 347.342767][ T7493] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 347.348440][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 347.402798][ T3007] bridge0: port 1(bridge_slave_0) entered blocking state [ 347.409999][ T3007] bridge0: port 1(bridge_slave_0) entered forwarding state [ 347.441155][ C0] hrtimer: interrupt took 25854 ns [ 347.484530][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 347.504294][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 347.538251][ T3007] bridge0: port 2(bridge_slave_1) entered blocking state [ 347.545380][ T3007] bridge0: port 2(bridge_slave_1) entered forwarding state [ 347.586201][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 347.596048][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 347.611214][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 347.620741][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 347.644287][ T23] kauditd_printk_skb: 3 callbacks suppressed [ 347.644313][ T23] audit: type=1800 audit(1572420101.330:31): pid=7497 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="sda1" ino=16528 res=0 07:21:41 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x3, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, 0x0, 0xfefd, 0x0, 0x0, 0xfffffffffffffffc) ioctl$KVM_NMI(r2, 0xae9a) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 347.702943][ T7371] device hsr_slave_0 entered promiscuous mode [ 347.740274][ T7371] device hsr_slave_1 entered promiscuous mode [ 347.789953][ T7371] debugfs: Directory 'hsr0' with parent '/' already present! [ 347.846613][ T7323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 347.868538][ T7323] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 347.892331][ T7507] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 347.935862][ T7323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 347.980875][ T7323] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 348.017844][ T7323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 348.054319][ T7323] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 348.093463][ T7507] kvm: emulating exchange as write [ 348.097822][ T7323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 348.139894][ T7323] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 348.180342][ T7338] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 348.289225][ T7338] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 348.750223][ T7371] 8021q: adding VLAN 0 to HW filter on device bond0 [ 348.765369][ T7372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 348.796935][ T7372] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 348.904398][ T7371] 8021q: adding VLAN 0 to HW filter on device team0 [ 349.005804][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 349.037749][ T7324] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 349.100311][ T7324] bridge0: port 1(bridge_slave_0) entered blocking state [ 349.107436][ T7324] bridge0: port 1(bridge_slave_0) entered forwarding state [ 349.200622][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 349.208730][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 349.266537][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 349.320353][ T3001] bridge0: port 2(bridge_slave_1) entered blocking state [ 349.327445][ T3001] bridge0: port 2(bridge_slave_1) entered forwarding state [ 349.387813][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 349.415298][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 349.442734][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 349.473759][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 349.507893][ T7371] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 349.543631][ T7371] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 349.584317][ T7372] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 349.611214][ T7372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 349.650596][ T7372] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 349.669947][ T7372] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 349.678650][ T7372] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 349.701154][ T7372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 349.725180][ T7372] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 349.779571][ T7371] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 349.823234][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready 07:21:43 executing program 3: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_elf64(r2, &(0x7f0000000040)=ANY=[@ANYPTR64=&(0x7f0000000000)=ANY=[@ANYRES16=0x0]], 0xfd3f) rt_sigprocmask(0x0, &(0x7f0000032ff8)={0xfffffffffffffffe}, 0x0, 0x8) close(r1) pipe(&(0x7f00000006c0)={0xffffffffffffffff, 0xffffffffffffffff}) close(r4) tee(r3, r2, 0x4, 0x0) [ 350.311101][ T23] audit: type=1804 audit(1572420104.000:32): pid=7564 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir736063760/syzkaller.8oG6Ao/0/bus" dev="sda1" ino=16543 res=1 [ 350.425875][ T23] audit: type=1804 audit(1572420104.110:33): pid=7562 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir736063760/syzkaller.8oG6Ao/0/bus" dev="sda1" ino=16543 res=1 [ 350.945856][ T7529] ================================================================== [ 350.953991][ T7529] BUG: KCSAN: data-race in flush_old_exec / get_task_mm [ 350.960905][ T7529] [ 350.963224][ T7529] write to 0xffff8880a516a124 of 4 bytes by task 7535 on cpu 1: [ 350.970846][ T7529] flush_old_exec+0x6b8/0xfd0 [ 350.975510][ T7529] load_elf_binary+0x69a/0x2ec0 [ 350.980347][ T7529] search_binary_handler+0x127/0x420 [ 350.985615][ T7529] __do_execve_file.isra.0+0xb76/0x11d0 [ 350.991144][ T7529] __x64_sys_execve+0x62/0x80 [ 350.995830][ T7529] do_syscall_64+0xcc/0x370 [ 351.000317][ T7529] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 351.006184][ T7529] [ 351.008500][ T7529] read to 0xffff8880a516a124 of 4 bytes by task 7529 on cpu 0: [ 351.016030][ T7529] get_task_mm+0x4f/0xa0 [ 351.020260][ T7529] proc_pid_status+0x4a/0x1000 [ 351.025006][ T7529] proc_single_show+0x89/0xe0 [ 351.029664][ T7529] seq_read+0x350/0x960 [ 351.033803][ T7529] __vfs_read+0x67/0xc0 [ 351.037943][ T7529] vfs_read+0x143/0x2c0 [ 351.042079][ T7529] ksys_read+0xd5/0x1b0 [ 351.046219][ T7529] __x64_sys_read+0x4c/0x60 [ 351.050724][ T7529] do_syscall_64+0xcc/0x370 [ 351.055207][ T7529] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 351.061072][ T7529] [ 351.063381][ T7529] Reported by Kernel Concurrency Sanitizer on: [ 351.069531][ T7529] CPU: 0 PID: 7529 Comm: ps Not tainted 5.4.0-rc3+ #0 [ 351.076270][ T7529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.086307][ T7529] ================================================================== [ 351.094348][ T7529] Kernel panic - not syncing: panic_on_warn set ... [ 351.100922][ T7529] CPU: 0 PID: 7529 Comm: ps Not tainted 5.4.0-rc3+ #0 [ 351.107673][ T7529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.117724][ T7529] Call Trace: [ 351.121021][ T7529] dump_stack+0xf5/0x159 [ 351.125249][ T7529] panic+0x210/0x640 [ 351.129132][ T7529] ? do_syscall_64+0xcc/0x370 [ 351.133793][ T7529] ? vprintk_func+0x8d/0x140 [ 351.138374][ T7529] kcsan_report.cold+0xc/0x10 [ 351.143040][ T7529] __kcsan_setup_watchpoint+0x32e/0x4a0 [ 351.148584][ T7529] __tsan_read4+0x2c/0x30 [ 351.152900][ T7529] get_task_mm+0x4f/0xa0 [ 351.157146][ T7529] proc_pid_status+0x4a/0x1000 [ 351.161909][ T7529] ? __tsan_write4+0x32/0x40 [ 351.166488][ T7529] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 351.172108][ T7529] proc_single_show+0x89/0xe0 [ 351.176772][ T7529] seq_read+0x350/0x960 [ 351.180923][ T7529] __vfs_read+0x67/0xc0 [ 351.185063][ T7529] ? seq_hlist_start_head_rcu+0x60/0x60 [ 351.190594][ T7529] vfs_read+0x143/0x2c0 [ 351.194751][ T7529] ksys_read+0xd5/0x1b0 [ 351.198906][ T7529] __x64_sys_read+0x4c/0x60 [ 351.203402][ T7529] do_syscall_64+0xcc/0x370 [ 351.207894][ T7529] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 351.213800][ T7529] RIP: 0033:0x7f6ef5482310 [ 351.218220][ T7529] Code: 73 01 c3 48 8b 0d 28 4b 2b 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 83 3d e5 a2 2b 00 00 75 10 b8 00 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 6e 8a 01 00 48 89 04 24 [ 351.237819][ T7529] RSP: 002b:00007ffd523001c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 351.246212][ T7529] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6ef5482310 [ 351.254167][ T7529] RDX: 0000000000000fff RSI: 00007f6ef594fd00 RDI: 0000000000000006 [ 351.262120][ T7529] RBP: 0000000000000fff R08: 0000000000000000 R09: 00007f6ef574a57b [ 351.270080][ T7529] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6ef594fd00 [ 351.278043][ T7529] R13: 0000000000000020 R14: 0000000000000005 R15: 0000000000000000 [ 351.287493][ T7529] Kernel Offset: disabled [ 351.291818][ T7529] Rebooting in 86400 seconds..