[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 34.178395] restorecond (6178) used greatest stack depth: 15536 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 34.345360] audit: type=1800 audit(1543390004.374:33): pid=6084 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 34.366499] audit: type=1800 audit(1543390004.374:34): pid=6084 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 37.551237] audit: type=1400 audit(1543390007.574:35): avc: denied { map } for pid=6260 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.10.40' (ECDSA) to the list of known hosts. [ 58.256598] audit: type=1400 audit(1543390028.284:36): avc: denied { map } for pid=6274 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2018/11/28 07:27:08 parsed 1 programs [ 58.836189] audit: type=1400 audit(1543390028.864:37): avc: denied { map } for pid=6274 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=14857 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2018/11/28 07:27:11 executed programs: 0 [ 61.123506] IPVS: ftp: loaded support on port[0] = 21 [ 61.128350] IPVS: ftp: loaded support on port[0] = 21 [ 61.139743] IPVS: ftp: loaded support on port[0] = 21 [ 61.171365] IPVS: ftp: loaded support on port[0] = 21 [ 61.180445] IPVS: ftp: loaded support on port[0] = 21 [ 61.189045] IPVS: ftp: loaded support on port[0] = 21 [ 62.542658] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.556880] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.572806] device bridge_slave_0 entered promiscuous mode [ 62.590535] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.599340] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.607214] device bridge_slave_0 entered promiscuous mode [ 62.616868] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.624013] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.631367] device bridge_slave_0 entered promiscuous mode [ 62.638963] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.647605] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.655275] device bridge_slave_0 entered promiscuous mode [ 62.679669] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.688513] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.696418] device bridge_slave_1 entered promiscuous mode [ 62.703780] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.710205] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.718229] device bridge_slave_1 entered promiscuous mode [ 62.725134] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.731488] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.745673] device bridge_slave_0 entered promiscuous mode [ 62.758761] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.768256] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.775426] device bridge_slave_1 entered promiscuous mode [ 62.783563] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.789926] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.799063] device bridge_slave_1 entered promiscuous mode [ 62.808143] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 62.819766] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.828661] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.836922] device bridge_slave_1 entered promiscuous mode [ 62.844283] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.851627] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.860208] device bridge_slave_0 entered promiscuous mode [ 62.868144] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 62.881443] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 62.893657] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 62.901290] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 62.917185] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 62.928866] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.951148] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.965412] device bridge_slave_1 entered promiscuous mode [ 62.974383] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 62.983673] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 62.996555] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 63.006459] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 63.040008] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 63.131355] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 63.174547] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 63.227436] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 63.257995] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 63.270644] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 63.295555] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 63.317642] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 63.343300] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 63.352275] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.369748] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 63.382729] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 63.398288] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 63.412917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.428745] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 63.442572] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 63.456996] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 63.492576] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.505008] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 63.528964] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 63.580474] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 63.589541] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.751699] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 63.762820] team0: Port device team_slave_0 added [ 63.775500] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 63.785908] team0: Port device team_slave_0 added [ 63.791937] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 63.799461] team0: Port device team_slave_0 added [ 63.852145] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 63.868462] team0: Port device team_slave_1 added [ 63.885845] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 63.894084] team0: Port device team_slave_1 added [ 63.908922] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 63.922013] team0: Port device team_slave_0 added [ 63.929497] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 63.939304] team0: Port device team_slave_1 added [ 63.961607] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 63.970390] team0: Port device team_slave_0 added [ 64.000071] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.018241] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 64.028782] team0: Port device team_slave_0 added [ 64.045474] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.059836] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.075386] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.084799] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 64.096343] team0: Port device team_slave_1 added [ 64.108421] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 64.119333] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.137258] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.151829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.160904] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 64.173185] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 64.187183] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 64.201719] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.211689] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.219866] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.227913] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.235760] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.243822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.252505] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 64.259954] team0: Port device team_slave_1 added [ 64.265892] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 64.275905] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 64.283798] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 64.291172] team0: Port device team_slave_1 added [ 64.303324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.311301] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.328670] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.337094] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.345976] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 64.355897] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 64.369370] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 64.383285] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 64.403031] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.411009] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.430898] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.445327] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.452965] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.460591] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.468588] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.476455] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.487124] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 64.498549] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 64.510170] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 64.529992] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.543083] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.561870] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.570191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.578550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.587054] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.601790] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 64.617532] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 64.630825] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.643150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.651116] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.660484] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.670299] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 64.686783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.703801] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.730324] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 64.746749] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.765296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.793510] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 64.804543] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.814847] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.903152] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 64.910602] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.921823] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.285468] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.291989] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.299073] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.305498] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.319333] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 65.392094] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.398537] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.405305] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.411699] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.423589] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 65.439840] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.446241] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.452946] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.459330] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.467875] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 65.616427] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.622850] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.629510] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.635931] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.657620] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 65.666192] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.672627] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.679308] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.685758] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.693408] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 65.835396] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.841796] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.848509] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.854909] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.863423] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 66.192840] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.201556] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.244235] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.251351] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.258593] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.265837] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.337963] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.437202] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.461602] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.660845] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 68.676000] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.686072] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.755482] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 68.781864] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 68.804541] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.929185] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 68.940815] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.950760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.990613] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 69.023200] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 69.043235] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 69.049414] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.064554] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.100407] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 69.113641] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 69.131500] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.142886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.306186] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.327702] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 69.337339] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.348654] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.377230] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.424436] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 69.430644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.440819] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.465536] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.475717] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 69.484117] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.500962] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.593687] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.747372] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.765881] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.960304] audit: type=1400 audit(1543390040.984:38): avc: denied { associate } for pid=6296 comm="syz-executor0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 2018/11/28 07:27:21 executed programs: 6 2018/11/28 07:27:26 executed programs: 203 [ 80.316176] ================================================================== [ 80.323697] BUG: KASAN: user-memory-access in n_tty_set_termios+0x106/0xe80 [ 80.330807] Write of size 512 at addr 0000000000001060 by task syz-executor1/9393 [ 80.330816] [ 80.330832] CPU: 1 PID: 9393 Comm: syz-executor1 Not tainted 4.20.0-rc4+ #132 [ 80.347460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.347467] Call Trace: [ 80.347488] dump_stack+0x244/0x39d [ 80.347509] ? dump_stack_print_info.cold.1+0x20/0x20 [ 80.347528] ? vprintk_func+0x85/0x181 [ 80.372139] kasan_report.cold.8+0x6d/0x309 [ 80.376474] ? n_tty_set_termios+0x106/0xe80 [ 80.380894] check_memory_region+0x13e/0x1b0 [ 80.385315] memset+0x23/0x40 [ 80.388431] n_tty_set_termios+0x106/0xe80 [ 80.392671] ? n_tty_receive_signal_char+0x120/0x120 [ 80.397778] tty_set_termios+0x7a0/0xac0 [ 80.401848] ? tty_wait_until_sent+0x5d0/0x5d0 [ 80.406441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 80.411988] set_termios+0x41e/0x7d0 [ 80.415710] ? tty_perform_flush+0x80/0x80 [ 80.419959] ? drop_futex_key_refs.isra.14+0x6d/0xe0 [ 80.425074] tty_mode_ioctl+0x857/0xb40 [ 80.429065] ? set_termios+0x7d0/0x7d0 [ 80.432962] ? perf_trace_sched_process_exec+0x860/0x860 [ 80.438421] ? avc_has_extended_perms+0x8cb/0x15a0 [ 80.443361] n_tty_ioctl_helper+0x54/0x3b0 [ 80.447603] n_tty_ioctl+0x54/0x360 [ 80.451243] ? ldsem_down_read+0x32/0x40 [ 80.455309] ? ldsem_down_read+0x32/0x40 [ 80.459381] tty_ioctl+0x5c6/0x17d0 [ 80.463009] ? commit_echoes+0x1c0/0x1c0 [ 80.467076] ? tty_vhangup+0x30/0x30 [ 80.470800] ? avc_has_extended_perms+0xab2/0x15a0 [ 80.475748] ? avc_ss_reset+0x190/0x190 [ 80.479727] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 80.484658] ? kasan_check_read+0x11/0x20 [ 80.488824] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 80.494112] ? rcu_softirq_qs+0x20/0x20 [ 80.498124] ? perf_trace_sched_process_exec+0x860/0x860 [ 80.503592] ? __might_fault+0x12b/0x1e0 [ 80.507661] ? lock_downgrade+0x900/0x900 [ 80.511846] ? tty_vhangup+0x30/0x30 [ 80.515565] do_vfs_ioctl+0x1de/0x1790 [ 80.519459] ? ioctl_preallocate+0x300/0x300 [ 80.523877] ? selinux_file_mprotect+0x620/0x620 [ 80.528638] ? rht_deferred_worker+0xff2/0x1de0 [ 80.533312] ? __sanitizer_cov_trace_const_cmp2+0x1b/0x20 [ 80.538873] ? put_timespec64+0x10f/0x1b0 [ 80.543058] ? nsecs_to_jiffies+0x30/0x30 [ 80.547208] ? do_syscall_64+0x9a/0x820 [ 80.551199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.556736] ? security_file_ioctl+0x94/0xc0 [ 80.561161] ksys_ioctl+0xa9/0xd0 [ 80.564625] __x64_sys_ioctl+0x73/0xb0 [ 80.568517] do_syscall_64+0x1b9/0x820 [ 80.572408] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 80.577778] ? syscall_return_slowpath+0x5e0/0x5e0 [ 80.582710] ? trace_hardirqs_on_caller+0x310/0x310 [ 80.587746] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 80.592806] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 80.599473] ? __switch_to_asm+0x40/0x70 [ 80.603536] ? __switch_to_asm+0x34/0x70 [ 80.607604] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 80.612462] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.617650] RIP: 0033:0x457569 [ 80.620844] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.639762] RSP: 002b:00007fa30bc06c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 80.647489] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 [ 80.654753] RDX: 0000000020000140 RSI: 0000000000005402 RDI: 0000000000000005 [ 80.662016] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 80.669286] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa30bc076d4 [ 80.676553] R13: 00000000004c10be R14: 00000000004d2410 R15: 00000000ffffffff [ 80.683840] ================================================================== [ 80.691208] Disabling lock debugging due to kernel taint [ 80.724957] Kernel panic - not syncing: panic_on_warn set ... [ 80.729329] kobject: 'loop5' (00000000bee52097): kobject_uevent_env [ 80.730868] CPU: 1 PID: 9393 Comm: syz-executor1 Tainted: G B 4.20.0-rc4+ #132 [ 80.745926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.755274] Call Trace: [ 80.757872] dump_stack+0x244/0x39d [ 80.761510] ? dump_stack_print_info.cold.1+0x20/0x20 [ 80.763268] kobject: 'loop5' (00000000bee52097): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 80.766715] panic+0x2ad/0x55c [ 80.779353] ? add_taint.cold.5+0x16/0x16 [ 80.783507] ? preempt_schedule+0x4d/0x60 [ 80.787665] ? ___preempt_schedule+0x16/0x18 [ 80.792079] ? trace_hardirqs_on+0xb4/0x310 [ 80.796421] kasan_end_report+0x47/0x4f [ 80.800397] kasan_report.cold.8+0x76/0x309 [ 80.804720] ? n_tty_set_termios+0x106/0xe80 [ 80.809149] check_memory_region+0x13e/0x1b0 [ 80.813561] memset+0x23/0x40 [ 80.816687] n_tty_set_termios+0x106/0xe80 [ 80.820925] ? n_tty_receive_signal_char+0x120/0x120 [ 80.826030] tty_set_termios+0x7a0/0xac0 [ 80.830095] ? tty_wait_until_sent+0x5d0/0x5d0 [ 80.834715] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 80.840262] set_termios+0x41e/0x7d0 [ 80.843989] ? tty_perform_flush+0x80/0x80 [ 80.848234] ? drop_futex_key_refs.isra.14+0x6d/0xe0 [ 80.853346] tty_mode_ioctl+0x857/0xb40 [ 80.857331] ? set_termios+0x7d0/0x7d0 [ 80.860130] kobject: 'loop3' (0000000001efa54a): kobject_uevent_env [ 80.861236] ? perf_trace_sched_process_exec+0x860/0x860 [ 80.873078] ? avc_has_extended_perms+0x8cb/0x15a0 [ 80.874038] kobject: 'loop3' (0000000001efa54a): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 80.878030] n_tty_ioctl_helper+0x54/0x3b0 [ 80.891687] n_tty_ioctl+0x54/0x360 [ 80.895329] ? ldsem_down_read+0x32/0x40 [ 80.899398] ? ldsem_down_read+0x32/0x40 [ 80.903471] tty_ioctl+0x5c6/0x17d0 [ 80.904873] kobject: 'loop0' (00000000f968521b): kobject_uevent_env [ 80.907116] ? commit_echoes+0x1c0/0x1c0 [ 80.917573] ? tty_vhangup+0x30/0x30 [ 80.921300] ? avc_has_extended_perms+0xab2/0x15a0 [ 80.922371] kobject: 'loop0' (00000000f968521b): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 80.926242] ? avc_ss_reset+0x190/0x190 [ 80.939655] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 80.944594] ? kasan_check_read+0x11/0x20 [ 80.948757] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 80.954041] ? rcu_softirq_qs+0x20/0x20 [ 80.958037] ? perf_trace_sched_process_exec+0x860/0x860 [ 80.963498] ? __might_fault+0x12b/0x1e0 [ 80.967602] ? lock_downgrade+0x900/0x900 [ 80.971763] ? tty_vhangup+0x30/0x30 [ 80.975483] do_vfs_ioctl+0x1de/0x1790 [ 80.979394] ? ioctl_preallocate+0x300/0x300 [ 80.983819] ? selinux_file_mprotect+0x620/0x620 [ 80.984461] kobject: 'loop0' (00000000f968521b): kobject_uevent_env [ 80.988588] ? rht_deferred_worker+0xff2/0x1de0 [ 80.988607] ? __sanitizer_cov_trace_const_cmp2+0x1b/0x20 [ 80.988630] ? put_timespec64+0x10f/0x1b0 [ 81.001099] kobject: 'loop0' (00000000f968521b): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 81.005232] ? nsecs_to_jiffies+0x30/0x30 [ 81.005249] ? do_syscall_64+0x9a/0x820 [ 81.005268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.005281] ? security_file_ioctl+0x94/0xc0 [ 81.005295] ksys_ioctl+0xa9/0xd0 [ 81.005309] __x64_sys_ioctl+0x73/0xb0 [ 81.005323] do_syscall_64+0x1b9/0x820 [ 81.005342] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 81.025754] kobject: 'loop5' (00000000bee52097): kobject_uevent_env [ 81.027028] ? syscall_return_slowpath+0x5e0/0x5e0 [ 81.027048] ? trace_hardirqs_on_caller+0x310/0x310 [ 81.039332] kobject: 'loop5' (00000000bee52097): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 81.040450] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 81.040468] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 81.040485] ? __switch_to_asm+0x40/0x70 [ 81.095118] ? __switch_to_asm+0x34/0x70 [ 81.099194] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 81.104375] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.109571] RIP: 0033:0x457569 [ 81.111269] kobject: 'loop3' (0000000001efa54a): kobject_uevent_env [ 81.112765] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.112773] RSP: 002b:00007fa30bc06c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 81.112786] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 [ 81.112794] RDX: 0000000020000140 RSI: 0000000000005402 RDI: 0000000000000005 [ 81.112802] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 81.112815] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa30bc076d4 [ 81.119236] kobject: 'loop3' (0000000001efa54a): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 81.138119] R13: 00000000004c10be R14: 00000000004d2410 R15: 00000000ffffffff [ 81.139082] Kernel Offset: disabled [ 81.196375] Rebooting in 86400 seconds..