Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 36.829886] audit: type=1800 audit(1569662708.418:33): pid=7290 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=2465 res=0 [ 36.853914] audit: type=1800 audit(1569662708.418:34): pid=7290 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=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 40.931548] audit: type=1400 audit(1569662712.518:35): avc: denied { map } for pid=7463 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 '10.128.0.227' (ECDSA) to the list of known hosts. [ 53.458654] audit: type=1400 audit(1569662725.048:36): avc: denied { map } for pid=7476 comm="syz-executor564" path="/root/syz-executor564242588" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 53.477414] IPVS: ftp: loaded support on port[0] = 21 [ 53.538880] chnl_net:caif_netlink_parms(): no params data found [ 53.569294] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.576355] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.583680] device bridge_slave_0 entered promiscuous mode [ 53.591337] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.597846] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.604777] device bridge_slave_1 entered promiscuous mode [ 53.620525] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 53.629773] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 53.645415] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 53.652810] team0: Port device team_slave_0 added [ 53.658436] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 53.666381] team0: Port device team_slave_1 added [ 53.672774] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 53.680377] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 53.737276] device hsr_slave_0 entered promiscuous mode [ 53.775352] device hsr_slave_1 entered promiscuous mode [ 53.845451] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 53.852412] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 53.866351] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.872805] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.879783] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.886336] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.916784] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 53.923031] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.931825] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.941031] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.960464] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.967918] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.975639] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 53.985906] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 53.992065] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.001279] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.009326] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.015738] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.024634] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.032940] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.039323] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.057142] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.065440] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.072986] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.081622] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.091614] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.102218] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 54.108379] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 54.115676] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.127888] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 54.139633] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.226671] kasan: CONFIG_KASAN_INLINE enabled [ 54.231459] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 54.239890] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 54.246232] CPU: 1 PID: 7476 Comm: syz-executor564 Not tainted 4.19.75 #0 [ 54.253178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.262534] RIP: 0010:release_task+0x100/0x1630 [ 54.267194] Code: 1d 4e 25 f8 07 31 ff 89 de e8 7c b8 2b 00 84 db 0f 84 65 0f 00 00 e8 2f b7 2b 00 49 8d bc 24 90 00 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 9d 10 00 00 49 8b 9c 24 90 00 00 00 be 04 00 [ 54.286172] RSP: 0018:ffff8880971efa08 EFLAGS: 00010206 [ 54.291527] RAX: 0000000000000012 RBX: 0000000000000001 RCX: ffffffff813fbac6 [ 54.298831] RDX: 0000000000000000 RSI: ffffffff813fab51 RDI: 0000000000000090 [ 54.306092] RBP: ffff8880971efa90 R08: ffff888086df0240 R09: ffffed1015d24733 [ 54.313352] R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000000000 [ 54.320610] R13: 0000000000000010 R14: dffffc0000000000 R15: ffff8880a573e040 [ 54.327870] FS: 00005555570eb880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 54.336084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.341950] CR2: 00005646f3e461b0 CR3: 00000000a16e5000 CR4: 00000000001406e0 [ 54.349263] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.356533] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.363788] Call Trace: [ 54.366369] ? _raw_spin_unlock_irq+0x28/0x90 [ 54.370856] ? lockdep_hardirqs_on+0x415/0x5d0 [ 54.375430] ? trace_hardirqs_on+0x67/0x220 [ 54.379743] wait_consider_task+0x2c95/0x3910 [ 54.384228] ? release_task+0x1630/0x1630 [ 54.388363] ? lock_acquire+0x16f/0x3f0 [ 54.392326] ? do_wait+0x3aa/0x9d0 [ 54.395902] ? kasan_check_write+0x14/0x20 [ 54.400158] do_wait+0x439/0x9d0 [ 54.403519] ? wait_consider_task+0x3910/0x3910 [ 54.408179] kernel_wait4+0x171/0x290 [ 54.411973] ? __ia32_sys_waitid+0x140/0x140 [ 54.416421] ? task_stopped_code+0x180/0x180 [ 54.420819] ? find_held_lock+0x35/0x130 [ 54.424867] ? __do_page_fault+0x676/0xe90 [ 54.429093] __do_sys_wait4+0x147/0x160 [ 54.433059] ? kernel_wait4+0x290/0x290 [ 54.437028] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 54.442611] ? up_read+0x1a/0x110 [ 54.446053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.451618] ? __do_page_fault+0x484/0xe90 [ 54.455856] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 54.460743] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 54.465638] ? do_syscall_64+0x26/0x620 [ 54.469613] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.474975] ? do_syscall_64+0x26/0x620 [ 54.479098] __x64_sys_wait4+0x97/0xf0 [ 54.482984] do_syscall_64+0xfd/0x620 [ 54.486980] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.492159] RIP: 0033:0x40208a [ 54.495341] Code: c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 8b 05 ae 8a 2d 00 85 c0 75 36 45 31 d2 48 63 d2 48 63 ff b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 d0 ff ff ff f7 [ 54.514515] RSP: 002b:00007fff8c734e38 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 54.522296] RAX: ffffffffffffffda RBX: 0000000000001d35 RCX: 000000000040208a [ 54.529565] RDX: 0000000040000000 RSI: 00007fff8c734e44 RDI: ffffffffffffffff [ 54.536845] RBP: 00000000006d3018 R08: 0000000000000000 R09: 00005555570eb880 [ 54.544102] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403040 [ 54.551369] R13: 00000000004030d0 R14: 0000000000000000 R15: 0000000000000000 [ 54.558677] Modules linked in: [ 54.563680] ---[ end trace 361299dee640a08e ]--- [ 54.568640] RIP: 0010:release_task+0x100/0x1630 [ 54.573315] Code: 1d 4e 25 f8 07 31 ff 89 de e8 7c b8 2b 00 84 db 0f 84 65 0f 00 00 e8 2f b7 2b 00 49 8d bc 24 90 00 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 9d 10 00 00 49 8b 9c 24 90 00 00 00 be 04 00 [ 54.592296] RSP: 0018:ffff8880971efa08 EFLAGS: 00010206 [ 54.597697] RAX: 0000000000000012 RBX: 0000000000000001 RCX: ffffffff813fbac6 [ 54.605021] RDX: 0000000000000000 RSI: ffffffff813fab51 RDI: 0000000000000090 [ 54.612296] RBP: ffff8880971efa90 R08: ffff888086df0240 R09: ffffed1015d24733 [ 54.619738] R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000000000 [ 54.627038] R13: 0000000000000010 R14: dffffc0000000000 R15: ffff8880a573e040 [ 54.634340] FS: 00005555570eb880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 54.642665] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.648711] CR2: 00005646f3e461b0 CR3: 00000000a16e5000 CR4: 00000000001406e0 [ 54.656119] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.663391] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.670847] Kernel panic - not syncing: Fatal exception [ 54.677669] Kernel Offset: disabled [ 54.681320] Rebooting in 86400 seconds..