Warning: Permanently added '10.128.15.195' (ECDSA) to the list of known hosts. 2019/03/25 00:36:45 parsed 1 programs 2019/03/25 00:36:45 executed programs: 0 [ 70.237477] IPVS: ftp: loaded support on port[0] = 21 [ 70.277635] IPVS: ftp: loaded support on port[0] = 21 [ 70.315336] IPVS: ftp: loaded support on port[0] = 21 [ 70.354635] IPVS: ftp: loaded support on port[0] = 21 [ 70.434270] IPVS: ftp: loaded support on port[0] = 21 [ 70.551982] IPVS: ftp: loaded support on port[0] = 21 [ 70.825045] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.832541] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.839349] device bridge_slave_0 entered promiscuous mode [ 70.856941] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.866420] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.873568] device bridge_slave_1 entered promiscuous mode [ 70.926892] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 70.940220] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.946548] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.955300] device bridge_slave_0 entered promiscuous mode [ 70.981386] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 71.035357] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.044589] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.052101] device bridge_slave_1 entered promiscuous mode [ 71.081383] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.087819] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.100489] device bridge_slave_0 entered promiscuous mode [ 71.117482] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.128378] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.135814] device bridge_slave_1 entered promiscuous mode [ 71.143102] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 71.158022] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 71.169298] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.176703] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.183751] device bridge_slave_0 entered promiscuous mode [ 71.191302] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 71.209866] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 71.238165] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.245317] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.252249] device bridge_slave_1 entered promiscuous mode [ 71.259131] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.267985] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 71.285244] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 71.297460] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.306262] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.313783] device bridge_slave_0 entered promiscuous mode [ 71.335367] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 71.346337] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.356508] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.366431] device bridge_slave_1 entered promiscuous mode [ 71.397295] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 71.412709] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 71.426299] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 71.440772] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 71.447959] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.463963] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.470901] device bridge_slave_0 entered promiscuous mode [ 71.485638] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.499981] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.512826] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.519165] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.527343] device bridge_slave_1 entered promiscuous mode [ 71.534656] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 71.547711] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 71.557755] team0: Port device team_slave_0 added [ 71.584217] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 71.597106] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 71.608566] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 71.616522] team0: Port device team_slave_1 added [ 71.623792] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.636724] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 71.649432] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.671093] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.699112] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.725106] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 71.734228] team0: Port device team_slave_0 added [ 71.745692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.762815] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 71.771841] team0: Port device team_slave_0 added [ 71.797113] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.814157] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 71.828954] team0: Port device team_slave_1 added [ 71.836814] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 71.846926] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 71.854816] team0: Port device team_slave_1 added [ 71.879610] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.900865] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.919906] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.929373] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.941147] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 71.948130] team0: Port device team_slave_0 added [ 71.969177] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 71.978710] team0: Port device team_slave_0 added [ 71.992196] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.001818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.014615] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 72.024321] team0: Port device team_slave_1 added [ 72.034254] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 72.041790] team0: Port device team_slave_1 added [ 72.059717] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.081949] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.094456] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.131315] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.145248] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.165748] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.182894] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.218978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.239760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.276507] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.286307] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 72.294038] team0: Port device team_slave_0 added [ 72.315503] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.364254] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 72.377469] team0: Port device team_slave_1 added [ 72.419311] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.434973] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.441438] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.448363] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.454755] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.480316] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.524586] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.561941] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.583540] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.589910] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.596630] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.603007] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.695011] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.701446] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.708072] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.714476] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.828373] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.834808] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.841480] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.847835] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.965776] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.972190] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.978813] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.985209] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.144269] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.150695] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.157312] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.163699] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.595834] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.678024] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.765392] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.782492] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.847398] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.872502] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.931355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.945570] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 75.044990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.057464] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.070452] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.085878] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 75.103301] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.113093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.127522] random: crng init done [ 75.221385] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.258505] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 75.289847] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 75.303794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.318781] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.424208] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.438762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.478174] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.611467] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.667046] 8021q: adding VLAN 0 to HW filter on device team0 2019/03/25 00:36:51 executed programs: 6 2019/03/25 00:36:56 executed programs: 355 2019/03/25 00:37:01 executed programs: 726 2019/03/25 00:37:06 executed programs: 1075 2019/03/25 00:37:11 executed programs: 1437 2019/03/25 00:37:16 executed programs: 1806 2019/03/25 00:37:21 executed programs: 2165 2019/03/25 00:37:26 executed programs: 2535 2019/03/25 00:37:31 executed programs: 2892 2019/03/25 00:37:36 executed programs: 3267 2019/03/25 00:37:41 executed programs: 3634 2019/03/25 00:37:46 executed programs: 4016 2019/03/25 00:37:51 executed programs: 4378 2019/03/25 00:37:56 executed programs: 4728 2019/03/25 00:38:01 executed programs: 5083 2019/03/25 00:38:06 executed programs: 5437 2019/03/25 00:38:11 executed programs: 5812 2019/03/25 00:38:16 executed programs: 6178 2019/03/25 00:38:21 executed programs: 6552 2019/03/25 00:38:26 executed programs: 6921 2019/03/25 00:38:31 executed programs: 7281 2019/03/25 00:38:36 executed programs: 7656 2019/03/25 00:38:41 executed programs: 8014 2019/03/25 00:38:46 executed programs: 8387 2019/03/25 00:38:51 executed programs: 8775 2019/03/25 00:38:56 executed programs: 9155 2019/03/25 00:39:01 executed programs: 9527 2019/03/25 00:39:06 executed programs: 9883 2019/03/25 00:39:11 executed programs: 10248 2019/03/25 00:39:16 executed programs: 10618 2019/03/25 00:39:21 executed programs: 10979 2019/03/25 00:39:26 executed programs: 11357 2019/03/25 00:39:31 executed programs: 11739 2019/03/25 00:39:36 executed programs: 12109 2019/03/25 00:39:42 executed programs: 12479 2019/03/25 00:39:47 executed programs: 12847 2019/03/25 00:39:52 executed programs: 13209 2019/03/25 00:39:57 executed programs: 13577 2019/03/25 00:40:02 executed programs: 13962 2019/03/25 00:40:07 executed programs: 14344 2019/03/25 00:40:12 executed programs: 14716 2019/03/25 00:40:17 executed programs: 15103 2019/03/25 00:40:22 executed programs: 15461 2019/03/25 00:40:27 executed programs: 15814 2019/03/25 00:40:32 executed programs: 16169 2019/03/25 00:40:37 executed programs: 16546 2019/03/25 00:40:42 executed programs: 16933 2019/03/25 00:40:47 executed programs: 17314 2019/03/25 00:40:52 executed programs: 17701 2019/03/25 00:40:57 executed programs: 18081 2019/03/25 00:41:02 executed programs: 18453 2019/03/25 00:41:07 executed programs: 18829 2019/03/25 00:41:12 executed programs: 19195 2019/03/25 00:41:17 executed programs: 19565 2019/03/25 00:41:22 executed programs: 19935 2019/03/25 00:41:27 executed programs: 20301 2019/03/25 00:41:32 executed programs: 20670 2019/03/25 00:41:37 executed programs: 21043 2019/03/25 00:41:42 executed programs: 21405 2019/03/25 00:41:47 executed programs: 21752 2019/03/25 00:41:52 executed programs: 22133 2019/03/25 00:41:57 executed programs: 22492 [ 384.889770] ================================================================== [ 384.897227] BUG: KASAN: use-after-free in link_path_walk+0x1198/0x18e0 [ 384.903885] Read of size 1 at addr ffff8801d1793282 by task syz-executor3/31766 [ 384.911323] [ 384.912945] CPU: 0 PID: 31766 Comm: syz-executor3 Not tainted 4.13.0-rc2+ #1 [ 384.920125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.929470] Call Trace: [ 384.932039] dump_stack+0x145/0x1e1 [ 384.935659] ? arch_local_irq_restore+0x43/0x43 [ 384.940303] ? printk+0x91/0xab [ 384.943556] ? log_store.cold.31+0x22/0x22 [ 384.947767] ? link_path_walk+0x1198/0x18e0 [ 384.952088] print_address_description.cold.7+0x9/0x1c9 [ 384.957430] ? link_path_walk+0x1198/0x18e0 [ 384.961740] kasan_report.cold.8+0x121/0x2da [ 384.966125] __asan_report_load1_noabort+0x14/0x20 [ 384.971029] link_path_walk+0x1198/0x18e0 [ 384.975151] ? ktime_mono_to_any+0x2c0/0x2c0 [ 384.979531] ? put_itimerspec64+0x2c0/0x2c0 [ 384.983842] ? walk_component+0x2a50/0x2a50 [ 384.988138] ? current_time+0x73/0xa0 [ 384.991912] ? __atime_needs_update+0x236/0xcd0 [ 384.996557] ? depot_save_stack+0x12b/0x423 [ 385.000854] ? new_inode+0x30/0x30 [ 385.004366] ? save_stack+0xa9/0xd0 [ 385.007966] ? trailing_symlink+0x19c/0x800 [ 385.012258] ? user_path_at_empty+0x1e/0x40 [ 385.016552] path_lookupat.isra.39+0x1a1/0xc00 [ 385.021126] ? find_held_lock+0x36/0x1c0 [ 385.025174] ? path_parentat.isra.36+0x130/0x130 [ 385.029906] ? __check_object_size+0x2c7/0x446 [ 385.034480] ? check_stack_object+0x110/0x110 [ 385.038949] filename_lookup+0x22e/0x480 [ 385.042991] ? filename_parentat.isra.50+0x500/0x500 [ 385.048070] ? digsig_verify+0x13d0/0x13d0 [ 385.052281] ? getname_flags+0xf6/0x520 [ 385.056230] user_path_at_empty+0x31/0x40 [ 385.060352] do_mount+0x119/0x2c20 [ 385.063868] ? copy_mount_string+0x20/0x20 [ 385.068074] ? rcu_lockdep_current_cpu_online+0x19c/0x200 [ 385.073587] ? rcu_is_watching+0x61/0x170 [ 385.077709] ? rcu_pm_notify+0xc0/0xc0 [ 385.081584] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 385.086141] ? copy_mount_options+0x55/0x270 [ 385.090524] ? rcu_read_lock_sched_held+0x108/0x120 [ 385.095515] ? kmem_cache_alloc_trace+0x637/0x7a0 [ 385.100352] ? kasan_check_write+0x14/0x20 [ 385.104582] ? _copy_from_user+0x9c/0xd0 [ 385.108620] ? copy_mount_options+0x55/0x270 [ 385.113002] SyS_mount+0xb8/0xd0 [ 385.116344] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 385.121073] RIP: 0033:0x4576b9 [ 385.124236] RSP: 002b:00007fb8e2ed1c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 385.131931] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000004576b9 [ 385.139187] RDX: 0000000020000040 RSI: 0000000020000000 RDI: 0000000000000000 [ 385.146442] RBP: 0000000000000082 R08: 0000000020000340 R09: 0000000000000000 [ 385.153693] R10: 0000000000200000 R11: 0000000000000246 R12: 000000000072bf0c [ 385.160939] R13: 00007ffc5d5c192f R14: 00007fb8e2ed29c0 R15: 0000000000000000 [ 385.168191] [ 385.169805] Allocated by task 31776: [ 385.173500] save_stack_trace+0x16/0x20 [ 385.177455] save_stack+0x43/0xd0 [ 385.180881] kasan_kmalloc+0xc7/0xe0 [ 385.184568] __kmalloc_track_caller+0x143/0x7a0 [ 385.189208] kstrdup+0x2c/0x60 [ 385.192374] bpf_symlink+0x1e/0x100 [ 385.195976] vfs_symlink+0x2f4/0x520 [ 385.199661] SyS_symlink+0x1a9/0x210 [ 385.203365] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 385.208092] [ 385.209709] Freed by task 31781: [ 385.213053] save_stack_trace+0x16/0x20 [ 385.217002] save_stack+0x43/0xd0 [ 385.220428] kasan_slab_free+0x71/0xc0 [ 385.224297] kfree+0xcc/0x270 [ 385.227381] bpf_evict_inode+0xe8/0x120 [ 385.231329] evict+0x452/0x9d0 [ 385.234494] iput+0x52c/0xad0 [ 385.237573] do_unlinkat+0x5f8/0x910 [ 385.241267] SyS_unlink+0x11/0x20 [ 385.244696] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 385.249418] [ 385.251039] The buggy address belongs to the object at ffff8801d1793280 [ 385.251039] which belongs to the cache kmalloc-32 of size 32 [ 385.263493] The buggy address is located 2 bytes inside of [ 385.263493] 32-byte region [ffff8801d1793280, ffff8801d17932a0) [ 385.275076] The buggy address belongs to the page: [ 385.279980] page:ffffea000745e4c0 count:1 mapcount:0 mapping:ffff8801d1793000 index:0xffff8801d1793fc1 [ 385.289405] flags: 0x2fffc0000000100(slab) [ 385.293612] raw: 02fffc0000000100 ffff8801d1793000 ffff8801d1793fc1 0000000100000020 [ 385.301466] raw: ffffea00074161a0 ffffea000740b9a0 ffff8801da8001c0 0000000000000000 [ 385.309331] page dumped because: kasan: bad access detected [ 385.315013] [ 385.316611] Memory state around the buggy address: [ 385.321512] ffff8801d1793180: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc [ 385.328855] ffff8801d1793200: fb fb fb fb fc fc fc fc 00 fc fc fc fc fc fc fc [ 385.336188] >ffff8801d1793280: fb fb fb fb fc fc fc fc 00 fc fc fc fc fc fc fc [ 385.343518] ^ [ 385.346855] ffff8801d1793300: 05 fc fc fc fc fc fc fc fb fb fb fb fc fc fc fc [ 385.354200] ffff8801d1793380: 00 01 fc fc fc fc fc fc fb fb fb fb fc fc fc fc [ 385.361530] ================================================================== [ 385.368880] Disabling lock debugging due to kernel taint [ 385.376505] Kernel panic - not syncing: panic_on_warn set ... [ 385.376505] [ 385.383890] CPU: 0 PID: 31766 Comm: syz-executor3 Tainted: G B 4.13.0-rc2+ #1 [ 385.392263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.401594] Call Trace: [ 385.404157] dump_stack+0x145/0x1e1 [ 385.407758] ? arch_local_irq_restore+0x43/0x43 [ 385.412411] ? link_path_walk+0x1198/0x18e0 [ 385.416721] panic+0x1a9/0x34e [ 385.419890] ? add_taint.cold.5+0x11/0x11 [ 385.424011] ? ___preempt_schedule+0x16/0x18 [ 385.428392] ? link_path_walk+0x1198/0x18e0 [ 385.432687] kasan_end_report+0x47/0x4f [ 385.436635] kasan_report.cold.8+0x76/0x2da [ 385.440928] __asan_report_load1_noabort+0x14/0x20 [ 385.445828] link_path_walk+0x1198/0x18e0 [ 385.449948] ? ktime_mono_to_any+0x2c0/0x2c0 [ 385.454329] ? put_itimerspec64+0x2c0/0x2c0 [ 385.458624] ? walk_component+0x2a50/0x2a50 [ 385.462919] ? current_time+0x73/0xa0 [ 385.470781] ? __atime_needs_update+0x236/0xcd0 [ 385.475455] ? depot_save_stack+0x12b/0x423 [ 385.479753] ? new_inode+0x30/0x30 [ 385.483267] ? save_stack+0xa9/0xd0 [ 385.486865] ? trailing_symlink+0x19c/0x800 [ 385.491157] ? user_path_at_empty+0x1e/0x40 [ 385.495461] path_lookupat.isra.39+0x1a1/0xc00 [ 385.500025] ? find_held_lock+0x36/0x1c0 [ 385.504065] ? path_parentat.isra.36+0x130/0x130 [ 385.508794] ? __check_object_size+0x2c7/0x446 [ 385.513350] ? check_stack_object+0x110/0x110 [ 385.517822] filename_lookup+0x22e/0x480 [ 385.521864] ? filename_parentat.isra.50+0x500/0x500 [ 385.526941] ? digsig_verify+0x13d0/0x13d0 [ 385.531154] ? getname_flags+0xf6/0x520 [ 385.535101] user_path_at_empty+0x31/0x40 [ 385.539224] do_mount+0x119/0x2c20 [ 385.542739] ? copy_mount_string+0x20/0x20 [ 385.546949] ? rcu_lockdep_current_cpu_online+0x19c/0x200 [ 385.552464] ? rcu_is_watching+0x61/0x170 [ 385.556587] ? rcu_pm_notify+0xc0/0xc0 [ 385.560556] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 385.568313] ? copy_mount_options+0x55/0x270 [ 385.572699] ? rcu_read_lock_sched_held+0x108/0x120 [ 385.577690] ? kmem_cache_alloc_trace+0x637/0x7a0 [ 385.582506] ? kasan_check_write+0x14/0x20 [ 385.586730] ? _copy_from_user+0x9c/0xd0 [ 385.590764] ? copy_mount_options+0x55/0x270 [ 385.595145] SyS_mount+0xb8/0xd0 [ 385.598491] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 385.603226] RIP: 0033:0x4576b9 [ 385.606406] RSP: 002b:00007fb8e2ed1c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 385.614694] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000004576b9 [ 385.621935] RDX: 0000000020000040 RSI: 0000000020000000 RDI: 0000000000000000 [ 385.629190] RBP: 0000000000000082 R08: 0000000020000340 R09: 0000000000000000 [ 385.636462] R10: 0000000000200000 R11: 0000000000000246 R12: 000000000072bf0c [ 385.643717] R13: 00007ffc5d5c192f R14: 00007fb8e2ed29c0 R15: 0000000000000000 [ 385.651816] Kernel Offset: disabled [ 385.655429] Rebooting in 86400 seconds..