[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 77.487709][ T26] audit: type=1800 audit(1564040182.801:33): pid=9360 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 [ 77.523181][ T26] audit: type=1800 audit(1564040182.801:34): pid=9360 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: [ 82.293044][ T26] audit: type=1400 audit(1564040187.601:35): avc: denied { map } for pid=9537 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 '10.128.0.148' (ECDSA) to the list of known hosts. [ 1092.434115][ T26] audit: type=1400 audit(1564041197.741:36): avc: denied { map } for pid=9549 comm="syz-executor655" path="/root/syz-executor655714424" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 1092.474987][ T9550] IPVS: ftp: loaded support on port[0] = 21 [ 1092.533068][ T9550] chnl_net:caif_netlink_parms(): no params data found [ 1092.558510][ T9550] bridge0: port 1(bridge_slave_0) entered blocking state [ 1092.565977][ T9550] bridge0: port 1(bridge_slave_0) entered disabled state [ 1092.573777][ T9550] device bridge_slave_0 entered promiscuous mode [ 1092.581737][ T9550] bridge0: port 2(bridge_slave_1) entered blocking state [ 1092.588922][ T9550] bridge0: port 2(bridge_slave_1) entered disabled state [ 1092.596505][ T9550] device bridge_slave_1 entered promiscuous mode [ 1092.612644][ T9550] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1092.623265][ T9550] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1092.641719][ T9550] team0: Port device team_slave_0 added [ 1092.648628][ T9550] team0: Port device team_slave_1 added [ 1092.729214][ T9550] device hsr_slave_0 entered promiscuous mode [ 1092.797811][ T9550] device hsr_slave_1 entered promiscuous mode [ 1092.876045][ T9550] bridge0: port 2(bridge_slave_1) entered blocking state [ 1092.883252][ T9550] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1092.891111][ T9550] bridge0: port 1(bridge_slave_0) entered blocking state [ 1092.898222][ T9550] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1092.932922][ T9550] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1092.945515][ T9554] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1092.955694][ T9554] bridge0: port 1(bridge_slave_0) entered disabled state [ 1092.964402][ T9554] bridge0: port 2(bridge_slave_1) entered disabled state [ 1092.972525][ T9554] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1092.984694][ T9550] 8021q: adding VLAN 0 to HW filter on device team0 [ 1092.994889][ T3527] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1093.003603][ T3527] bridge0: port 1(bridge_slave_0) entered blocking state [ 1093.010819][ T3527] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1093.022206][ T9554] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1093.030678][ T9554] bridge0: port 2(bridge_slave_1) entered blocking state [ 1093.037811][ T9554] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1093.054630][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1093.063739][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1093.074929][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1093.089490][ T9550] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1093.100603][ T9550] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1093.112303][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1093.120947][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1093.129221][ T9552] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 1093.146779][ T9550] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1543.947556][ C0] ------------[ cut here ]------------ [ 1543.953161][ C0] refcount_t: increment on 0; use-after-free. [ 1543.959658][ C0] WARNING: CPU: 0 PID: 0 at lib/refcount.c:156 refcount_inc_checked+0x61/0x70 [ 1543.968559][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 1543.975144][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.3.0-rc1+ #76 [ 1543.982810][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1543.992849][ C0] Call Trace: [ 1543.996111][ C0] [ 1543.998958][ C0] dump_stack+0x172/0x1f0 [ 1544.003275][ C0] ? refcount_inc_not_zero_checked+0x190/0x200 [ 1544.009418][ C0] panic+0x2dc/0x755 [ 1544.013295][ C0] ? add_taint.cold+0x16/0x16 [ 1544.017975][ C0] ? __kasan_check_write+0x14/0x20 [ 1544.023071][ C0] ? __warn.cold+0x5/0x4c [ 1544.027407][ C0] ? __warn+0xe7/0x1e0 [ 1544.031460][ C0] ? refcount_inc_checked+0x61/0x70 [ 1544.031950][T18038] ================================================================== [ 1544.036647][ C0] __warn.cold+0x20/0x4c [ 1544.036669][ C0] ? vprintk_emit+0x1ea/0x700 [ 1544.044791][T18038] BUG: KASAN: use-after-free in refcount_inc_not_zero_checked+0x81/0x200 [ 1544.049014][ C0] ? refcount_inc_checked+0x61/0x70 [ 1544.053668][T18038] Read of size 4 at addr ffff88809fdfc140 by task syz-executor655/18038 [ 1544.062061][ C0] report_bug+0x263/0x2b0 [ 1544.067229][T18038] [ 1544.075548][ C0] do_error_trap+0x11b/0x200 [ 1544.086744][ C0] do_invalid_op+0x37/0x50 [ 1544.091156][ C0] ? refcount_inc_checked+0x61/0x70 [ 1544.096348][ C0] invalid_op+0x23/0x30 [ 1544.100501][ C0] RIP: 0010:refcount_inc_checked+0x61/0x70 [ 1544.106302][ C0] Code: 1d 5f 30 64 06 31 ff 89 de e8 4b b3 35 fe 84 db 75 dd e8 02 b2 35 fe 48 c7 c7 00 03 c6 87 c6 05 3f 30 64 06 01 e8 57 17 07 fe <0f> 0b eb c1 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 41 57 41 [ 1544.125907][ C0] RSP: 0018:ffff8880ae809bf0 EFLAGS: 00010282 [ 1544.131986][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 1544.139961][ C0] RDX: 0000000000000100 RSI: ffffffff815c5966 RDI: ffffed1015d01370 [ 1544.147929][ C0] RBP: ffff8880ae809c00 R08: ffffffff88c7a1c0 R09: fffffbfff14a7757 [ 1544.155898][ C0] R10: fffffbfff14a7756 R11: ffffffff8a53bab7 R12: ffff88809fdfc140 [ 1544.163868][ C0] R13: ffff88809fdfc128 R14: ffff888098d5b4c8 R15: ffff888098d5b4a0 [ 1544.171854][ C0] ? vprintk_func+0x86/0x189 [ 1544.176447][ C0] nr_insert_socket+0x2d/0xe0 [ 1544.181124][ C0] nr_rx_frame+0x1605/0x1e73 [ 1544.185723][ C0] nr_loopback_timer+0x7b/0x170 [ 1544.190570][ C0] call_timer_fn+0x1ac/0x780 [ 1544.195158][ C0] ? nr_process_rx_frame+0x1540/0x1540 [ 1544.200618][ C0] ? msleep_interruptible+0x150/0x150 [ 1544.205980][ C0] ? run_timer_softirq+0x685/0x17a0 [ 1544.211176][ C0] ? trace_hardirqs_on+0x67/0x240 [ 1544.216200][ C0] ? __kasan_check_read+0x11/0x20 [ 1544.221218][ C0] ? nr_process_rx_frame+0x1540/0x1540 [ 1544.226668][ C0] ? nr_process_rx_frame+0x1540/0x1540 [ 1544.232125][ C0] run_timer_softirq+0x697/0x17a0 [ 1544.237150][ C0] ? add_timer+0x930/0x930 [ 1544.241695][ C0] ? kvm_clock_read+0x18/0x30 [ 1544.246376][ C0] ? kvm_sched_clock_read+0x9/0x20 [ 1544.251488][ C0] ? sched_clock+0x2e/0x50 [ 1544.255898][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1544.262132][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1544.268470][ C0] __do_softirq+0x262/0x98c [ 1544.272969][ C0] ? sched_clock_cpu+0x1b/0x1b0 [ 1544.277831][ C0] irq_exit+0x19b/0x1e0 [ 1544.281986][ C0] smp_apic_timer_interrupt+0x1a3/0x610 [ 1544.287537][ C0] apic_timer_interrupt+0xf/0x20 [ 1544.292467][ C0] [ 1544.295405][ C0] RIP: 0010:native_safe_halt+0xe/0x10 [ 1544.300774][ C0] Code: 08 8d 73 fa eb 8a 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d 04 f7 4e 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d f4 f6 4e 00 fb f4 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 1e 45 27 fa e8 f9 [ 1544.320467][ C0] RSP: 0018:ffffffff88c07ce8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1544.328889][ C0] RAX: 1ffffffff11a5e35 RBX: ffffffff88c7a1c0 RCX: 0000000000000000 [ 1544.336954][ C0] RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffffffff88c7aa4c [ 1544.344926][ C0] RBP: ffffffff88c07d18 R08: ffffffff88c7a1c0 R09: 0000000000000000 [ 1544.352894][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 1544.360856][ C0] R13: ffffffff89a4faf8 R14: 0000000000000000 R15: 0000000000000000 [ 1544.368854][ C0] ? default_idle+0x4e/0x360 [ 1544.373444][ C0] arch_cpu_idle+0xa/0x10 [ 1544.377772][ C0] default_idle_call+0x84/0xb0 [ 1544.382533][ C0] do_idle+0x413/0x760 [ 1544.386602][ C0] ? arch_cpu_idle_exit+0x80/0x80 [ 1544.391621][ C0] ? do_idle+0x17/0x760 [ 1544.395777][ C0] cpu_startup_entry+0x1b/0x20 [ 1544.400621][ C0] rest_init+0x245/0x37b [ 1544.404865][ C0] arch_call_rest_init+0xe/0x1b [ 1544.411210][ C0] start_kernel+0x912/0x951 [ 1544.415709][ C0] ? mem_encrypt_init+0xb/0xb [ 1544.420386][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1544.426619][ C0] ? x86_family+0x41/0x50 [ 1544.430949][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1544.437193][ C0] x86_64_start_reservations+0x29/0x2b [ 1544.442662][ C0] x86_64_start_kernel+0x77/0x7b [ 1544.447599][ C0] secondary_startup_64+0xa4/0xb0 [ 1544.452643][T18038] CPU: 1 PID: 18038 Comm: syz-executor655 Not tainted 5.3.0-rc1+ #76 [ 1544.460711][T18038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1544.470754][T18038] Call Trace: [ 1544.474058][T18038] dump_stack+0x172/0x1f0 [ 1544.478384][T18038] ? refcount_inc_not_zero_checked+0x81/0x200 [ 1544.484448][T18038] print_address_description.cold+0xd4/0x306 [ 1544.490420][T18038] ? refcount_inc_not_zero_checked+0x81/0x200 [ 1544.496480][T18038] ? refcount_inc_not_zero_checked+0x81/0x200 [ 1544.502541][T18038] __kasan_report.cold+0x1b/0x36 [ 1544.507492][T18038] ? refcount_inc_not_zero_checked+0x81/0x200 [ 1544.513556][T18038] kasan_report+0x12/0x17 [ 1544.517895][T18038] check_memory_region+0x134/0x1a0 [ 1544.523006][T18038] __kasan_check_read+0x11/0x20 [ 1544.527853][T18038] refcount_inc_not_zero_checked+0x81/0x200 [ 1544.533750][T18038] ? refcount_dec_and_mutex_lock+0x90/0x90 [ 1544.539900][T18038] ? __kasan_check_write+0x14/0x20 [ 1544.545011][T18038] refcount_inc_checked+0x17/0x70 [ 1544.550042][T18038] nr_release+0x62/0x3e0 [ 1544.554285][T18038] __sock_release+0xce/0x280 [ 1544.558876][T18038] sock_close+0x1e/0x30 [ 1544.563028][T18038] __fput+0x2ff/0x890 [ 1544.567003][T18038] ? __sock_release+0x280/0x280 [ 1544.571849][T18038] ____fput+0x16/0x20 [ 1544.575827][T18038] task_work_run+0x145/0x1c0 [ 1544.580419][T18038] exit_to_usermode_loop+0x316/0x380 [ 1544.585699][T18038] do_syscall_64+0x5a9/0x6a0 [ 1544.590284][T18038] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1544.596166][T18038] RIP: 0033:0x408211 [ 1544.600054][T18038] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 24 1a 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 1544.619656][T18038] RSP: 002b:00007ffc56ddf440 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 1544.628060][T18038] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000408211 [ 1544.636023][T18038] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 1544.643990][T18038] RBP: 0000000000178ea6 R08: 0000000000000000 R09: 0000000000000000 [ 1544.651959][T18038] R10: 00007ffc56ddf470 R11: 0000000000000293 R12: 0000000000000001 [ 1544.659918][T18038] R13: 00000000006e5a10 R14: 00000000006e5a1c R15: 0000000000000004 [ 1544.667904][T18038] [ 1544.670256][T18038] Allocated by task 0: [ 1544.674337][T18038] save_stack+0x23/0x90 [ 1544.678501][T18038] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 1544.684131][T18038] kasan_kmalloc+0x9/0x10 [ 1544.688450][T18038] __kmalloc+0x163/0x770 [ 1544.692704][T18038] sk_prot_alloc+0x23a/0x310 [ 1544.697281][T18038] sk_alloc+0x39/0xf70 [ 1544.701342][T18038] nr_rx_frame+0x733/0x1e73 [ 1544.705833][T18038] nr_loopback_timer+0x7b/0x170 [ 1544.710680][T18038] call_timer_fn+0x1ac/0x780 [ 1544.715263][T18038] run_timer_softirq+0x697/0x17a0 [ 1544.720281][T18038] __do_softirq+0x262/0x98c [ 1544.724771][T18038] [ 1544.727088][T18038] Freed by task 18040: [ 1544.731154][T18038] save_stack+0x23/0x90 [ 1544.735305][T18038] __kasan_slab_free+0x102/0x150 [ 1544.740244][T18038] kasan_slab_free+0xe/0x10 [ 1544.744738][T18038] kfree+0x10a/0x2c0 [ 1544.748626][T18038] __sk_destruct+0x4f7/0x6e0 [ 1544.753208][T18038] sk_destruct+0x86/0xa0 [ 1544.757445][T18038] __sk_free+0xfb/0x360 [ 1544.761608][T18038] sk_free+0x42/0x50 [ 1544.765507][T18038] sock_efree+0x61/0x80 [ 1544.769659][T18038] skb_release_head_state+0xeb/0x250 [ 1544.774940][T18038] skb_release_all+0x16/0x60 [ 1544.779563][T18038] kfree_skb+0x101/0x3c0 [ 1544.783818][T18038] nr_accept+0x56e/0x700 [ 1544.788053][T18038] __sys_accept4+0x34e/0x6a0 [ 1544.792726][T18038] __x64_sys_accept+0x75/0xb0 [ 1544.797400][T18038] do_syscall_64+0xfd/0x6a0 [ 1544.801907][T18038] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1544.807785][T18038] [ 1544.810123][T18038] The buggy address belongs to the object at ffff88809fdfc0c0 [ 1544.810123][T18038] which belongs to the cache kmalloc-2k of size 2048 [ 1544.824178][T18038] The buggy address is located 128 bytes inside of [ 1544.824178][T18038] 2048-byte region [ffff88809fdfc0c0, ffff88809fdfc8c0) [ 1544.837532][T18038] The buggy address belongs to the page: [ 1544.843163][T18038] page:ffffea00027f7f00 refcount:1 mapcount:0 mapping:ffff8880aa400e00 index:0x0 compound_mapcount: 0 [ 1544.854095][T18038] flags: 0x1fffc0000010200(slab|head) [ 1544.859462][T18038] raw: 01fffc0000010200 ffffea00025d8308 ffff8880aa401948 ffff8880aa400e00 [ 1544.868045][T18038] raw: 0000000000000000 ffff88809fdfc0c0 0000000100000003 0000000000000000 [ 1544.876616][T18038] page dumped because: kasan: bad access detected [ 1544.883024][T18038] [ 1544.885449][T18038] Memory state around the buggy address: [ 1544.891084][T18038] ffff88809fdfc000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 1544.899155][T18038] ffff88809fdfc080: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 1544.907213][T18038] >ffff88809fdfc100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1544.915264][T18038] ^ [ 1544.921406][T18038] ffff88809fdfc180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1544.929458][T18038] ffff88809fdfc200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1544.937596][T18038] ================================================================== [ 1544.945651][T18038] Disabling lock debugging due to kernel taint [ 1544.952863][ C0] Kernel Offset: disabled [ 1544.957193][ C0] Rebooting in 86400 seconds..