[....] Starting enhanced syslogd: rsyslogd[ 16.073895] audit: type=1400 audit(1518080739.250:5): avc: denied { syslog } for pid=3958 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. 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. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 18.875599] audit: type=1400 audit(1518080742.052:6): avc: denied { map } for pid=4096 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 '10.128.0.38' (ECDSA) to the list of known hosts. [ 63.801069] audit: type=1400 audit(1518080786.977:7): avc: denied { map } for pid=4114 comm="syzkaller189484" path="/root/syzkaller189484219" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 63.818527] IPVS: ftp: loaded support on port[0] = 21 [ 63.827053] audit: type=1400 audit(1518080786.978:8): avc: denied { sys_admin } for pid=4120 comm="syzkaller189484" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 63.877638] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz3.accept_dad = 0 net.ipv6.conf.syz3.router_solicitations = 0 net.ipv6.conf.syz7.accept_dad = 0 net.ipv6.conf.syz7.router_solicitations = 0 net.ipv6.conf.syz5.accept_dad = 0 net.ipv6.conf.syz5.router_solicitations = 0 [ 63.879066] audit: type=1400 audit(1518080787.052:9): avc: denied { net_admin } for pid=4124 comm="syzkaller189484" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 63.910289] IPVS: ftp: loaded support on port[0] = 21 [ 63.937768] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz1.accept_dad = 0 [ 63.973679] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz1.router_solicitations = 0 net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 [ 64.018176] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz6.accept_dad = 0 [ 64.072310] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz6.router_solicitations = 0 net.ipv6.conf.syz4.accept_dad = 0 [ 64.145421] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz4.router_solicitations = 0 net.ipv6.conf.syz2.accept_dad = 0 net.ipv6.conf.syz2.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 64.577642] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 64.681000] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 64.771422] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 64.794802] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 64.810127] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 64.881073] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 64.981198] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 65.056894] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument executing program RTNETLINK answers: Invalid argument [ 66.015724] audit: type=1400 audit(1518080789.191:10): avc: denied { sys_chroot } for pid=4125 comm="syzkaller189484" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 66.108108] audit: type=1400 audit(1518080789.259:11): avc: denied { prog_load } for pid=5035 comm="syzkaller189484" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 66.130857] audit: type=1400 audit(1518080789.283:12): avc: denied { prog_run } for pid=5035 comm="syzkaller189484" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 executing program executing program executing program executing program RTNETLINK answers: Invalid argument executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 77.707259] WARNING: CPU: 0 PID: 8143 at net/strparser/strparser.c:532 strp_done+0xb7/0xe0 [ 77.715717] Kernel panic - not syncing: panic_on_warn set ... [ 77.715717] [ 77.723081] CPU: 0 PID: 8143 Comm: syzkaller189484 Not tainted 4.15.0+ #221 [ 77.730154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.739482] Call Trace: [ 77.742050] dump_stack+0x194/0x257 [ 77.745658] ? arch_local_irq_restore+0x53/0x53 [ 77.750308] ? vsnprintf+0x1ed/0x1900 [ 77.754091] panic+0x1e4/0x41c [ 77.757256] ? refcount_error_report+0x214/0x214 [ 77.761986] ? show_regs_print_info+0x18/0x18 [ 77.766462] ? __warn+0x1c1/0x200 [ 77.769893] ? strp_done+0xb7/0xe0 [ 77.773408] __warn+0x1dc/0x200 [ 77.776661] ? strp_done+0xb7/0xe0 [ 77.780180] report_bug+0x211/0x2d0 [ 77.783788] fixup_bug.part.11+0x37/0x80 [ 77.787824] do_error_trap+0x2d7/0x3e0 [ 77.791688] ? lockdep_init_map+0x9/0x10 [ 77.795728] ? math_error+0x400/0x400 [ 77.799506] ? find_held_lock+0x35/0x1d0 [ 77.803554] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 77.808375] do_invalid_op+0x1b/0x20 [ 77.812064] invalid_op+0x22/0x40 [ 77.815491] RIP: 0010:strp_done+0xb7/0xe0 [ 77.819607] RSP: 0018:ffff8801b87678c0 EFLAGS: 00010293 [ 77.824942] RAX: ffff8801b4434680 RBX: ffff8801b4448c08 RCX: ffffffff85156eb7 [ 77.832183] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801b4448c10 [ 77.839432] RBP: ffff8801b87678d8 R08: 0000000000000001 R09: 0000000000000000 [ 77.846676] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801cd8e9ac0 [ 77.853920] R13: ffffc900012b7000 R14: ffff8801c95f8a80 R15: ffff8801b8767ad8 [ 77.861177] ? strp_done+0xb7/0xe0 [ 77.864701] kcm_ioctl+0x139a/0x17f0 [ 77.868399] ? kcm_unattach+0x1510/0x1510 [ 77.872538] ? find_held_lock+0x35/0x1d0 [ 77.876585] ? avc_has_extended_perms+0x6e5/0x12c0 [ 77.881490] ? lock_downgrade+0x980/0x980 [ 77.885613] ? lock_release+0xa40/0xa40 [ 77.889561] ? check_noncircular+0x20/0x20 [ 77.893770] ? copy_overflow+0x20/0x20 [ 77.897654] sock_do_ioctl+0xef/0x390 [ 77.901432] ? compat_ifr_data_ioctl+0x170/0x170 [ 77.906166] ? avc_ss_reset+0x110/0x110 [ 77.910112] ? lock_downgrade+0x980/0x980 [ 77.914240] ? lock_release+0xa40/0xa40 [ 77.918190] ? __lock_is_held+0xb6/0x140 [ 77.922244] sock_ioctl+0x36b/0x610 [ 77.925844] ? sock_ioctl+0x36b/0x610 [ 77.929622] ? dlci_ioctl_set+0x40/0x40 [ 77.933579] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 77.939448] ? up_read+0x1a/0x40 [ 77.942813] ? rcu_note_context_switch+0x710/0x710 [ 77.947724] ? dlci_ioctl_set+0x40/0x40 [ 77.951671] do_vfs_ioctl+0x1b1/0x1520 [ 77.955532] ? do_vfs_ioctl+0x1b1/0x1520 [ 77.959564] ? _cond_resched+0x14/0x30 [ 77.963434] ? ioctl_preallocate+0x2b0/0x2b0 [ 77.967820] ? selinux_capable+0x40/0x40 [ 77.971867] ? syscall_return_slowpath+0x2ad/0x550 [ 77.976776] ? security_file_ioctl+0x89/0xb0 [ 77.981165] SyS_ioctl+0x8f/0xc0 [ 77.984510] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 77.989239] RIP: 0033:0x44def9 [ 77.992403] RSP: 002b:00007fd29f1ffcc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 78.000089] RAX: ffffffffffffffda RBX: 0000000000700054 RCX: 000000000044def9 [ 78.007331] RDX: 000000002031aff8 RSI: 00000000000089e0 RDI: 0000000000000008 [ 78.014573] RBP: 0000000000700050 R08: 0000000000000000 R09: 0000000000000000 [ 78.021817] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 78.029058] R13: 000000000080f40f R14: 00007fd29f2009c0 R15: 0000000000000008 [ 78.036950] Dumping ftrace buffer: [ 78.040576] (ftrace buffer empty) [ 78.044258] Kernel Offset: disabled [ 78.047859] Rebooting in 86400 seconds..