[ 32.494341] audit: type=1800 audit(1555794115.229:33): pid=6874 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 [ 32.522739] audit: type=1800 audit(1555794115.229:34): pid=6874 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: [ 37.006042] random: sshd: uninitialized urandom read (32 bytes read) [ 37.366623] audit: type=1400 audit(1555794120.099:35): avc: denied { map } for pid=7048 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 [ 37.412673] random: sshd: uninitialized urandom read (32 bytes read) [ 37.998199] random: sshd: uninitialized urandom read (32 bytes read) [ 38.193581] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.1.32' (ECDSA) to the list of known hosts. [ 43.702761] random: sshd: uninitialized urandom read (32 bytes read) [ 43.825062] audit: type=1400 audit(1555794126.559:36): avc: denied { map } for pid=7060 comm="syz-executor693" path="/root/syz-executor693537477" 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 [ 44.630634] IPVS: ftp: loaded support on port[0] = 21 [ 44.924372] chnl_net:caif_netlink_parms(): no params data found [ 44.954379] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.961185] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.968283] device bridge_slave_0 entered promiscuous mode [ 44.975522] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.982149] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.989035] device bridge_slave_1 entered promiscuous mode [ 45.005138] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.014172] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.029446] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 45.036892] team0: Port device team_slave_0 added [ 45.042599] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 45.049692] team0: Port device team_slave_1 added [ 45.055219] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 45.062556] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 45.122082] device hsr_slave_0 entered promiscuous mode [ 45.160320] device hsr_slave_1 entered promiscuous mode [ 45.200565] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 45.207619] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 45.220858] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.227301] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.234302] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.240777] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.269383] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 45.276261] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.284318] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.292997] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.311948] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.319043] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.328850] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.335270] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.343593] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.351317] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.357912] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.373315] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.381060] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.387405] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.405773] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 45.415691] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 45.429328] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.437021] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.445456] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.453418] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.462886] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready executing program [ 45.471139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.478093] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.490465] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.499903] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.738316] FAULT_INJECTION: forcing a failure. [ 45.738316] name failslab, interval 1, probability 0, space 0, times 1 [ 45.749719] CPU: 1 PID: 7075 Comm: syz-executor693 Not tainted 4.14.113 #3 [ 45.756745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.766113] Call Trace: [ 45.768733] dump_stack+0x138/0x19c [ 45.772445] should_fail.cold+0x10f/0x159 [ 45.776599] should_failslab+0xdb/0x130 [ 45.780562] kmem_cache_alloc_node_trace+0x283/0x770 [ 45.785653] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 45.791109] __kmalloc_node_track_caller+0x3d/0x80 [ 45.796040] __kmalloc_reserve.isra.0+0x40/0xe0 [ 45.800695] __alloc_skb+0xcf/0x500 [ 45.804315] ? skb_scrub_packet+0x4b0/0x4b0 [ 45.808654] ? __local_bh_enable_ip+0x99/0x1a0 [ 45.813512] tcp_send_fin+0x7b4/0xc40 [ 45.817300] tcp_close+0xcd6/0xfc0 [ 45.820848] ? __sock_release+0x89/0x2c0 [ 45.824896] ? ip_mc_drop_socket+0x1d6/0x230 [ 45.829316] inet_release+0xf2/0x1c0 [ 45.833042] __sock_release+0xd3/0x2c0 [ 45.836932] ? __sock_release+0x2c0/0x2c0 [ 45.841073] sock_close+0x1b/0x30 [ 45.844535] __fput+0x277/0x7a0 [ 45.847851] ____fput+0x16/0x20 [ 45.851217] task_work_run+0x119/0x190 [ 45.855116] get_signal+0x1689/0x1a80 [ 45.858948] ? kick_process+0xef/0x180 [ 45.862839] ? task_work_add+0x8e/0xf0 [ 45.866717] ? fput+0xd4/0x150 [ 45.869919] do_signal+0x86/0x1980 [ 45.873479] ? SyS_sendmsg+0x50/0x50 [ 45.877184] ? lock_downgrade+0x6e0/0x6e0 [ 45.881332] ? setup_sigcontext+0x7d0/0x7d0 [ 45.885668] ? __mutex_unlock_slowpath+0x71/0x800 [ 45.890538] ? check_preemption_disabled+0x3c/0x250 [ 45.895558] ? wait_for_completion+0x420/0x420 [ 45.900136] ? __sb_end_write+0xc1/0x100 [ 45.904192] ? mutex_unlock+0xd/0x10 [ 45.907891] ? exit_to_usermode_loop+0x3d/0x220 [ 45.912550] exit_to_usermode_loop+0x15c/0x220 [ 45.917126] do_syscall_64+0x4a9/0x630 [ 45.921018] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.925945] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.931119] RIP: 0033:0x448109 executing program [ 45.934305] RSP: 002b:00007faf5f9e5cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 45.942006] RAX: fffffffffffffe00 RBX: 00007faf5f9e5cc0 RCX: 0000000000448109 [ 45.949264] RDX: 000000000000003c RSI: 0000000020004f40 RDI: 0000000000000004 [ 45.956531] RBP: 0000000000000006 R08: 0000000000000001 R09: 0000000000000032 [ 45.963794] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc3c [ 45.971051] R13: 00007ffc50e8467f R14: 00007faf5f9e69c0 R15: 000000000000000d [ 45.979110] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 45.996867] FAULT_INJECTION: forcing a failure. [ 45.996867] name failslab, interval 1, probability 0, space 0, times 0 [ 46.009108] CPU: 0 PID: 7077 Comm: syz-executor693 Not tainted 4.14.113 #3 [ 46.016136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.025494] Call Trace: [ 46.028073] dump_stack+0x138/0x19c [ 46.031698] should_fail.cold+0x10f/0x159 [ 46.035956] should_failslab+0xdb/0x130 [ 46.039919] kmem_cache_alloc+0x2d9/0x780 [ 46.044065] taskstats_exit+0x619/0xbd0 [ 46.048196] ? taskstats_user_cmd+0xd10/0xd10 [ 46.052679] ? _raw_spin_unlock_irq+0x5e/0x90 [ 46.057162] ? acct_collect+0x637/0x800 [ 46.061126] do_exit+0x368/0x2c10 [ 46.064571] ? find_held_lock+0x35/0x130 [ 46.068652] ? mm_update_next_owner+0x5d0/0x5d0 [ 46.073333] do_group_exit+0x111/0x330 [ 46.077231] get_signal+0x348/0x1a80 [ 46.080943] ? __fget_light+0x172/0x1f0 [ 46.084930] ? __fdget+0x1b/0x20 [ 46.088318] do_signal+0x86/0x1980 [ 46.091860] ? SyS_sendmsg+0x50/0x50 [ 46.095772] ? lock_downgrade+0x6e0/0x6e0 [ 46.099939] ? setup_sigcontext+0x7d0/0x7d0 [ 46.104276] ? __mutex_unlock_slowpath+0x71/0x800 [ 46.109124] ? check_preemption_disabled+0x3c/0x250 [ 46.114135] ? wait_for_completion+0x420/0x420 [ 46.118813] ? __sb_end_write+0xc1/0x100 [ 46.122881] ? mutex_unlock+0xd/0x10 [ 46.126583] ? exit_to_usermode_loop+0x3d/0x220 [ 46.131246] exit_to_usermode_loop+0x15c/0x220 [ 46.136454] do_syscall_64+0x4a9/0x630 [ 46.140520] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.145373] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.150568] RIP: 0033:0x448109 [ 46.153748] RSP: 002b:00007faf5fa06cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 46.161593] RAX: ffffffffffffffe0 RBX: 00007faf5fa06cc0 RCX: 0000000000448109 [ 46.168856] RDX: 000000000000003c RSI: 0000000020004f40 RDI: 0000000000000004 [ 46.176115] RBP: 0000000000000006 R08: 0000000000000001 R09: 0000000000000032 [ 46.190353] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc2c executing program [ 46.197618] R13: 00007ffc50e8467f R14: 00007faf5fa079c0 R15: 0000000000000000 [ 46.216069] FAULT_INJECTION: forcing a failure. [ 46.216069] name failslab, interval 1, probability 0, space 0, times 0 [ 46.227803] CPU: 0 PID: 7079 Comm: syz-executor693 Not tainted 4.14.113 #3 [ 46.234871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.244214] Call Trace: [ 46.246794] dump_stack+0x138/0x19c [ 46.250411] should_fail.cold+0x10f/0x159 [ 46.254547] should_failslab+0xdb/0x130 [ 46.258535] kmem_cache_alloc+0x2d9/0x780 [ 46.262678] taskstats_exit+0x619/0xbd0 [ 46.266701] ? taskstats_user_cmd+0xd10/0xd10 [ 46.271206] ? _raw_spin_unlock_irq+0x5e/0x90 [ 46.275691] ? acct_collect+0x637/0x800 [ 46.279660] do_exit+0x368/0x2c10 [ 46.283112] ? find_held_lock+0x35/0x130 [ 46.287161] ? mm_update_next_owner+0x5d0/0x5d0 [ 46.291822] do_group_exit+0x111/0x330 [ 46.295702] get_signal+0x348/0x1a80 [ 46.299401] ? __fget_light+0x172/0x1f0 [ 46.303517] ? __fdget+0x1b/0x20 [ 46.306872] do_signal+0x86/0x1980 [ 46.310395] ? SyS_sendmsg+0x50/0x50 [ 46.314113] ? lock_downgrade+0x6e0/0x6e0 [ 46.318254] ? setup_sigcontext+0x7d0/0x7d0 [ 46.322586] ? __mutex_unlock_slowpath+0x71/0x800 [ 46.327420] ? check_preemption_disabled+0x3c/0x250 [ 46.332429] ? wait_for_completion+0x420/0x420 [ 46.336999] ? __sb_end_write+0xc1/0x100 [ 46.341049] ? mutex_unlock+0xd/0x10 [ 46.344748] ? exit_to_usermode_loop+0x3d/0x220 [ 46.349406] exit_to_usermode_loop+0x15c/0x220 [ 46.353978] do_syscall_64+0x4a9/0x630 [ 46.357866] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.362700] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.367878] RIP: 0033:0x448109 [ 46.371055] RSP: 002b:00007faf5fa06cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 46.378772] RAX: ffffffffffffffe0 RBX: 00007faf5fa06cc0 RCX: 0000000000448109 [ 46.386037] RDX: 000000000000003c RSI: 0000000020004f40 RDI: 0000000000000004 executing program [ 46.393294] RBP: 0000000000000006 R08: 0000000000000001 R09: 0000000000000032 [ 46.400553] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc2c [ 46.407822] R13: 00007ffc50e8467f R14: 00007faf5fa079c0 R15: 0000000000000000 [ 46.424094] FAULT_INJECTION: forcing a failure. [ 46.424094] name failslab, interval 1, probability 0, space 0, times 0 [ 46.435413] CPU: 0 PID: 7081 Comm: syz-executor693 Not tainted 4.14.113 #3 [ 46.442544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.451971] Call Trace: [ 46.454553] dump_stack+0x138/0x19c [ 46.458167] should_fail.cold+0x10f/0x159 [ 46.462314] should_failslab+0xdb/0x130 [ 46.466300] kmem_cache_alloc+0x2d9/0x780 [ 46.470468] taskstats_exit+0x619/0xbd0 [ 46.474431] ? taskstats_user_cmd+0xd10/0xd10 [ 46.478921] ? _raw_spin_unlock_irq+0x5e/0x90 [ 46.483421] ? acct_collect+0x637/0x800 [ 46.487406] do_exit+0x368/0x2c10 [ 46.490880] ? find_held_lock+0x35/0x130 [ 46.494926] ? mm_update_next_owner+0x5d0/0x5d0 [ 46.499670] do_group_exit+0x111/0x330 [ 46.503559] get_signal+0x348/0x1a80 [ 46.507262] ? __fget_light+0x172/0x1f0 [ 46.511249] ? __fdget+0x1b/0x20 [ 46.514607] do_signal+0x86/0x1980 [ 46.518158] ? SyS_sendmsg+0x50/0x50 [ 46.521881] ? lock_downgrade+0x6e0/0x6e0 [ 46.526015] ? setup_sigcontext+0x7d0/0x7d0 [ 46.530325] ? __mutex_unlock_slowpath+0x71/0x800 [ 46.535164] ? check_preemption_disabled+0x3c/0x250 [ 46.540257] ? wait_for_completion+0x420/0x420 [ 46.544854] ? __sb_end_write+0xc1/0x100 [ 46.548913] ? mutex_unlock+0xd/0x10 [ 46.552627] ? exit_to_usermode_loop+0x3d/0x220 [ 46.557291] exit_to_usermode_loop+0x15c/0x220 [ 46.561860] do_syscall_64+0x4a9/0x630 [ 46.565731] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.570590] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.575783] RIP: 0033:0x448109 [ 46.578963] RSP: 002b:00007faf5fa06cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 46.586693] RAX: ffffffffffffffe0 RBX: 00007faf5fa06cc0 RCX: 0000000000448109 executing program [ 46.593955] RDX: 000000000000003c RSI: 0000000020004f40 RDI: 0000000000000004 [ 46.601230] RBP: 0000000000000006 R08: 0000000000000001 R09: 0000000000000032 [ 46.608494] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc2c [ 46.615755] R13: 00007ffc50e8467f R14: 00007faf5fa079c0 R15: 0000000000000000 [ 46.633148] FAULT_INJECTION: forcing a failure. [ 46.633148] name failslab, interval 1, probability 0, space 0, times 0 [ 46.645976] CPU: 0 PID: 7083 Comm: syz-executor693 Not tainted 4.14.113 #3 [ 46.653032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.662384] Call Trace: [ 46.664964] dump_stack+0x138/0x19c [ 46.668587] should_fail.cold+0x10f/0x159 [ 46.672727] should_failslab+0xdb/0x130 [ 46.676689] kmem_cache_alloc+0x2d9/0x780 [ 46.680842] taskstats_exit+0x619/0xbd0 [ 46.684805] ? taskstats_user_cmd+0xd10/0xd10 [ 46.689315] ? _raw_spin_unlock_irq+0x5e/0x90 [ 46.693809] ? acct_collect+0x637/0x800 [ 46.697791] do_exit+0x368/0x2c10 [ 46.701232] ? find_held_lock+0x35/0x130 [ 46.705295] ? mm_update_next_owner+0x5d0/0x5d0 [ 46.709975] do_group_exit+0x111/0x330 [ 46.713863] get_signal+0x348/0x1a80 [ 46.717563] ? __fget_light+0x172/0x1f0 [ 46.721543] ? __fdget+0x1b/0x20 [ 46.724919] do_signal+0x86/0x1980 [ 46.728460] ? SyS_sendmsg+0x50/0x50 [ 46.732184] ? lock_downgrade+0x6e0/0x6e0 [ 46.736318] ? setup_sigcontext+0x7d0/0x7d0 [ 46.740674] ? __mutex_unlock_slowpath+0x71/0x800 [ 46.745508] ? check_preemption_disabled+0x3c/0x250 [ 46.750544] ? wait_for_completion+0x420/0x420 [ 46.755120] ? __sb_end_write+0xc1/0x100 [ 46.759186] ? mutex_unlock+0xd/0x10 [ 46.762906] ? exit_to_usermode_loop+0x3d/0x220 [ 46.767564] exit_to_usermode_loop+0x15c/0x220 [ 46.772131] do_syscall_64+0x4a9/0x630 [ 46.776060] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.780917] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.786100] RIP: 0033:0x448109 [ 46.789285] RSP: 002b:00007faf5fa06cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 executing program [ 46.796979] RAX: ffffffffffffffe0 RBX: 00007faf5fa06cc0 RCX: 0000000000448109 [ 46.804241] RDX: 000000000000003c RSI: 0000000020004f40 RDI: 0000000000000004 [ 46.811516] RBP: 0000000000000006 R08: 0000000000000001 R09: 0000000000000032 [ 46.818786] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc2c [ 46.826045] R13: 00007ffc50e8467f R14: 00007faf5fa079c0 R15: 0000000000000000 [ 46.843385] FAULT_INJECTION: forcing a failure. [ 46.843385] name failslab, interval 1, probability 0, space 0, times 0 [ 46.854672] CPU: 0 PID: 7085 Comm: syz-executor693 Not tainted 4.14.113 #3 [ 46.861686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.871027] Call Trace: [ 46.873621] dump_stack+0x138/0x19c [ 46.877269] should_fail.cold+0x10f/0x159 [ 46.881426] should_failslab+0xdb/0x130 [ 46.885385] kmem_cache_alloc+0x2d9/0x780 [ 46.889522] taskstats_exit+0x619/0xbd0 [ 46.893483] ? taskstats_user_cmd+0xd10/0xd10 [ 46.897965] ? _raw_spin_unlock_irq+0x5e/0x90 [ 46.902472] ? acct_collect+0x637/0x800 [ 46.907064] do_exit+0x368/0x2c10 [ 46.910514] ? find_held_lock+0x35/0x130 [ 46.914569] ? mm_update_next_owner+0x5d0/0x5d0 [ 46.919252] do_group_exit+0x111/0x330 [ 46.923130] get_signal+0x348/0x1a80 [ 46.926833] ? __fget_light+0x172/0x1f0 [ 46.930793] ? __fdget+0x1b/0x20 [ 46.934162] do_signal+0x86/0x1980 [ 46.937800] ? SyS_sendmsg+0x50/0x50 [ 46.941531] ? lock_downgrade+0x6e0/0x6e0 [ 46.946134] ? setup_sigcontext+0x7d0/0x7d0 [ 46.952373] ? __mutex_unlock_slowpath+0x71/0x800 [ 46.957792] ? check_preemption_disabled+0x3c/0x250 [ 46.962852] ? wait_for_completion+0x420/0x420 [ 46.970863] ? __sb_end_write+0xc1/0x100 [ 46.974922] ? mutex_unlock+0xd/0x10 [ 46.978649] ? exit_to_usermode_loop+0x3d/0x220 [ 46.983310] exit_to_usermode_loop+0x15c/0x220 [ 46.987886] do_syscall_64+0x4a9/0x630 [ 46.991760] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.997218] entry_SYSCALL_64_after_hwframe+0x42/0xb7 executing program [ 47.002521] RIP: 0033:0x448109 [ 47.005705] RSP: 002b:00007faf5fa06cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 47.013411] RAX: ffffffffffffffe0 RBX: 00007faf5fa06cc0 RCX: 0000000000448109 [ 47.020673] RDX: 000000000000003c RSI: 0000000020004f40 RDI: 0000000000000004 [ 47.027970] RBP: 0000000000000006 R08: 0000000000000001 R09: 0000000000000032 [ 47.035232] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc2c [ 47.042644] R13: 00007ffc50e8467f R14: 00007faf5fa079c0 R15: 0000000000000000 [ 47.061232] FAULT_INJECTION: forcing a failure. [ 47.061232] name failslab, interval 1, probability 0, space 0, times 0 [ 47.073053] CPU: 1 PID: 7087 Comm: syz-executor693 Not tainted 4.14.113 #3 [ 47.080081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.090904] Call Trace: [ 47.093496] dump_stack+0x138/0x19c [ 47.097116] should_fail.cold+0x10f/0x159 [ 47.101257] should_failslab+0xdb/0x130 [ 47.105452] kmem_cache_alloc+0x2d9/0x780 [ 47.110096] taskstats_exit+0x619/0xbd0 [ 47.114079] ? taskstats_user_cmd+0xd10/0xd10 [ 47.118571] ? _raw_spin_unlock_irq+0x5e/0x90 [ 47.123068] ? acct_collect+0x637/0x800 [ 47.127042] do_exit+0x368/0x2c10 [ 47.130712] ? find_held_lock+0x35/0x130 [ 47.135557] ? mm_update_next_owner+0x5d0/0x5d0 [ 47.140229] do_group_exit+0x111/0x330 [ 47.144127] get_signal+0x348/0x1a80 [ 47.147834] ? __fget_light+0x172/0x1f0 [ 47.153716] ? __fdget+0x1b/0x20 [ 47.157074] do_signal+0x86/0x1980 [ 47.160602] ? SyS_sendmsg+0x50/0x50 [ 47.164306] ? lock_downgrade+0x6e0/0x6e0 [ 47.168458] ? setup_sigcontext+0x7d0/0x7d0 [ 47.172787] ? __mutex_unlock_slowpath+0x71/0x800 [ 47.177750] ? check_preemption_disabled+0x3c/0x250 [ 47.182837] ? wait_for_completion+0x420/0x420 [ 47.187423] ? __sb_end_write+0xc1/0x100 [ 47.191476] ? mutex_unlock+0xd/0x10 [ 47.195179] ? exit_to_usermode_loop+0x3d/0x220 [ 47.199840] exit_to_usermode_loop+0x15c/0x220 [ 47.204421] do_syscall_64+0x4a9/0x630 [ 47.208313] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.213194] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.218380] RIP: 0033:0x448109 [ 47.221551] RSP: 002b:00007faf5fa06cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 47.229734] RAX: ffffffffffffffe0 RBX: 00007faf5fa06cc0 RCX: 0000000000448109 [ 47.237029] RDX: 000000000000003c RSI: 0000000020004f40 RDI: 0000000000000004 [ 47.244314] RBP: 0000000000000006 R08: 0000000000000001 R09: 0000000000000032 [ 47.251589] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc2c executing program [ 47.258848] R13: 00007ffc50e8467f R14: 00007faf5fa079c0 R15: 0000000000000000 [ 47.275115] FAULT_INJECTION: forcing a failure. [ 47.275115] name failslab, interval 1, probability 0, space 0, times 0 [ 47.287081] CPU: 1 PID: 7089 Comm: syz-executor693 Not tainted 4.14.113 #3 [ 47.294099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.306310] Call Trace: [ 47.308898] dump_stack+0x138/0x19c [ 47.312516] should_fail.cold+0x10f/0x159 [ 47.316672] should_failslab+0xdb/0x130 [ 47.320633] kmem_cache_alloc+0x2d9/0x780 [ 47.324771] taskstats_exit+0x619/0xbd0 [ 47.328735] ? taskstats_user_cmd+0xd10/0xd10 [ 47.333215] ? _raw_spin_unlock_irq+0x5e/0x90 [ 47.337722] ? acct_collect+0x637/0x800 [ 47.341683] do_exit+0x368/0x2c10 [ 47.345126] ? find_held_lock+0x35/0x130 [ 47.349171] ? mm_update_next_owner+0x5d0/0x5d0 [ 47.353848] do_group_exit+0x111/0x330 [ 47.357727] get_signal+0x348/0x1a80 [ 47.361429] ? __fget_light+0x172/0x1f0 [ 47.365391] ? __fdget+0x1b/0x20 [ 47.368747] do_signal+0x86/0x1980 [ 47.372273] ? SyS_sendmsg+0x50/0x50 [ 47.375990] ? lock_downgrade+0x6e0/0x6e0 [ 47.380132] ? setup_sigcontext+0x7d0/0x7d0 [ 47.384454] ? __mutex_unlock_slowpath+0x71/0x800 [ 47.389301] ? check_preemption_disabled+0x3c/0x250 [ 47.394346] ? wait_for_completion+0x420/0x420 [ 47.399187] ? __sb_end_write+0xc1/0x100 [ 47.403248] ? mutex_unlock+0xd/0x10 [ 47.406969] ? exit_to_usermode_loop+0x3d/0x220 [ 47.412010] exit_to_usermode_loop+0x15c/0x220 [ 47.416585] do_syscall_64+0x4a9/0x630 [ 47.420468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.425422] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.430603] RIP: 0033:0x448109 [ 47.433790] RSP: 002b:00007faf5fa06cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 47.441487] RAX: ffffffffffffffe0 RBX: 00007faf5fa06cc0 RCX: 0000000000448109 [ 47.448741] RDX: 000000000000003c RSI: 0000000020004f40 RDI: 0000000000000004 [ 47.455996] RBP: 0000000000000006 R08: 0000000000000001 R09: 0000000000000032 executing program [ 47.463261] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc2c [ 47.470614] R13: 00007ffc50e8467f R14: 00007faf5fa079c0 R15: 0000000000000000 [ 47.485452] FAULT_INJECTION: forcing a failure. [ 47.485452] name failslab, interval 1, probability 0, space 0, times 0 [ 47.496964] CPU: 0 PID: 7091 Comm: syz-executor693 Not tainted 4.14.113 #3 [ 47.504469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.513806] Call Trace: [ 47.516416] dump_stack+0x138/0x19c [ 47.520051] should_fail.cold+0x10f/0x159 [ 47.524198] should_failslab+0xdb/0x130 [ 47.528160] kmem_cache_alloc+0x2d9/0x780 [ 47.532317] taskstats_exit+0x619/0xbd0 [ 47.536283] ? taskstats_user_cmd+0xd10/0xd10 [ 47.540770] ? _raw_spin_unlock_irq+0x5e/0x90 [ 47.545285] ? acct_collect+0x637/0x800 [ 47.549245] do_exit+0x368/0x2c10 [ 47.552689] ? find_held_lock+0x35/0x130 [ 47.556737] ? mm_update_next_owner+0x5d0/0x5d0 [ 47.561416] do_group_exit+0x111/0x330 [ 47.565296] get_signal+0x348/0x1a80 [ 47.568997] ? __fget_light+0x172/0x1f0 [ 47.572965] ? __fdget+0x1b/0x20 [ 47.576335] do_signal+0x86/0x1980 [ 47.579888] ? SyS_sendmsg+0x50/0x50 [ 47.583609] ? lock_downgrade+0x6e0/0x6e0 [ 47.587739] ? setup_sigcontext+0x7d0/0x7d0 [ 47.592065] ? __mutex_unlock_slowpath+0x71/0x800 [ 47.596997] ? check_preemption_disabled+0x3c/0x250 [ 47.602009] ? wait_for_completion+0x420/0x420 [ 47.606577] ? __sb_end_write+0xc1/0x100 [ 47.610860] ? mutex_unlock+0xd/0x10 [ 47.614564] ? exit_to_usermode_loop+0x3d/0x220 [ 47.619227] exit_to_usermode_loop+0x15c/0x220 [ 47.623801] do_syscall_64+0x4a9/0x630 [ 47.627701] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.632542] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.637735] RIP: 0033:0x448109 [ 47.640931] RSP: 002b:00007faf5fa06cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 47.648862] RAX: ffffffffffffffe0 RBX: 00007faf5fa06cc0 RCX: 0000000000448109 [ 47.656287] RDX: 000000000000003c RSI: 0000000020004f40 RDI: 0000000000000004 executing program [ 47.663652] RBP: 0000000000000006 R08: 0000000000000001 R09: 0000000000000032 [ 47.670925] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc2c [ 47.678189] R13: 00007ffc50e8467f R14: 00007faf5fa079c0 R15: 0000000000000000 [ 47.695871] FAULT_INJECTION: forcing a failure. [ 47.695871] name failslab, interval 1, probability 0, space 0, times 0 [ 47.707212] CPU: 0 PID: 7093 Comm: syz-executor693 Not tainted 4.14.113 #3 [ 47.714232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.723575] Call Trace: [ 47.726154] dump_stack+0x138/0x19c [ 47.729770] should_fail.cold+0x10f/0x159 [ 47.733913] should_failslab+0xdb/0x130 [ 47.737875] kmem_cache_alloc+0x2d9/0x780 [ 47.742014] taskstats_exit+0x619/0xbd0 [ 47.745980] ? taskstats_user_cmd+0xd10/0xd10 [ 47.750471] ? _raw_spin_unlock_irq+0x5e/0x90 [ 47.754953] ? acct_collect+0x637/0x800 [ 47.758916] do_exit+0x368/0x2c10 [ 47.762357] ? find_held_lock+0x35/0x130 [ 47.766405] ? mm_update_next_owner+0x5d0/0x5d0 [ 47.771072] do_group_exit+0x111/0x330 [ 47.775341] get_signal+0x348/0x1a80 [ 47.779066] ? __fget_light+0x172/0x1f0 [ 47.783032] ? __fdget+0x1b/0x20 [ 47.786391] do_signal+0x86/0x1980 [ 47.789918] ? SyS_sendmsg+0x50/0x50 [ 47.793623] ? lock_downgrade+0x6e0/0x6e0 [ 47.797757] ? setup_sigcontext+0x7d0/0x7d0 [ 47.802084] ? __mutex_unlock_slowpath+0x71/0x800 [ 47.806949] ? check_preemption_disabled+0x3c/0x250 [ 47.812046] ? wait_for_completion+0x420/0x420 [ 47.816615] ? __sb_end_write+0xc1/0x100 [ 47.820668] ? mutex_unlock+0xd/0x10 [ 47.824371] ? exit_to_usermode_loop+0x3d/0x220 [ 47.829035] exit_to_usermode_loop+0x15c/0x220 [ 47.833612] do_syscall_64+0x4a9/0x630 [ 47.837483] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.842318] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.847503] RIP: 0033:0x448109 [ 47.850710] RSP: 002b:00007faf5fa06cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 executing program [ 47.858895] RAX: ffffffffffffffe0 RBX: 00007faf5fa06cc0 RCX: 0000000000448109 [ 47.866180] RDX: 000000000000003c RSI: 0000000020004f40 RDI: 0000000000000004 [ 47.873468] RBP: 0000000000000006 R08: 0000000000000001 R09: 0000000000000032 [ 47.880734] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc2c [ 47.888012] R13: 00007ffc50e8467f R14: 00007faf5fa079c0 R15: 0000000000000000 [ 47.904047] FAULT_INJECTION: forcing a failure. [ 47.904047] name failslab, interval 1, probability 0, space 0, times 0 [ 47.915417] CPU: 0 PID: 7095 Comm: syz-executor693 Not tainted 4.14.113 #3 [ 47.922442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.931787] Call Trace: [ 47.934389] dump_stack+0x138/0x19c [ 47.938005] should_fail.cold+0x10f/0x159 [ 47.942141] should_failslab+0xdb/0x130 [ 47.946126] kmem_cache_alloc+0x2d9/0x780 [ 47.950276] taskstats_exit+0x619/0xbd0 [ 47.954238] ? taskstats_user_cmd+0xd10/0xd10 [ 47.958718] ? _raw_spin_unlock_irq+0x5e/0x90 [ 47.963202] ? acct_collect+0x637/0x800 [ 47.967170] do_exit+0x368/0x2c10 [ 47.970623] ? find_held_lock+0x35/0x130 [ 47.974671] ? mm_update_next_owner+0x5d0/0x5d0 [ 47.979338] do_group_exit+0x111/0x330 [ 47.983218] get_signal+0x348/0x1a80 [ 47.986917] ? __fget_light+0x172/0x1f0 [ 47.990921] ? __fdget+0x1b/0x20 [ 47.994279] do_signal+0x86/0x1980 [ 47.997809] ? SyS_sendmsg+0x50/0x50 [ 48.001517] ? lock_downgrade+0x6e0/0x6e0 [ 48.005669] ? setup_sigcontext+0x7d0/0x7d0 [ 48.009996] ? __mutex_unlock_slowpath+0x71/0x800 [ 48.014836] ? check_preemption_disabled+0x3c/0x250 [ 48.019844] ? wait_for_completion+0x420/0x420 [ 48.024414] ? __sb_end_write+0xc1/0x100 [ 48.028555] ? mutex_unlock+0xd/0x10 [ 48.032277] ? exit_to_usermode_loop+0x3d/0x220 [ 48.036938] exit_to_usermode_loop+0x15c/0x220 [ 48.041509] do_syscall_64+0x4a9/0x630 [ 48.045381] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.050219] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.055398] RIP: 0033:0x448109 [ 48.058574] RSP: 002b:00007faf5fa06cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 executing program [ 48.066276] RAX: ffffffffffffffe0 RBX: 00007faf5fa06cc0 RCX: 0000000000448109 [ 48.073552] RDX: 000000000000003c RSI: 0000000020004f40 RDI: 0000000000000004 [ 48.080808] RBP: 0000000000000006 R08: 0000000000000001 R09: 0000000000000032 [ 48.088147] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc2c [ 48.095590] R13: 00007ffc50e8467f R14: 00007faf5fa079c0 R15: 0000000000000000 [ 48.113131] FAULT_INJECTION: forcing a failure. [ 48.113131] name failslab, interval 1, probability 0, space 0, times 0 [ 48.124468] CPU: 0 PID: 7097 Comm: syz-executor693 Not tainted 4.14.113 #3 [ 48.140810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.150158] Call Trace: [ 48.152738] dump_stack+0x138/0x19c [ 48.156354] should_fail.cold+0x10f/0x159 [ 48.160492] should_failslab+0xdb/0x130 [ 48.164452] kmem_cache_alloc+0x2d9/0x780 [ 48.168587] taskstats_exit+0x619/0xbd0 [ 48.172566] ? taskstats_user_cmd+0xd10/0xd10 [ 48.177053] ? _raw_spin_unlock_irq+0x5e/0x90 [ 48.181533] ? acct_collect+0x637/0x800 [ 48.185493] do_exit+0x368/0x2c10 [ 48.188936] ? find_held_lock+0x35/0x130 [ 48.192985] ? mm_update_next_owner+0x5d0/0x5d0 [ 48.197641] do_group_exit+0x111/0x330 [ 48.201546] get_signal+0x348/0x1a80 [ 48.205266] ? __fget_light+0x172/0x1f0 [ 48.209227] ? __fdget+0x1b/0x20 [ 48.212589] do_signal+0x86/0x1980 [ 48.216122] ? SyS_sendmsg+0x50/0x50 [ 48.219822] ? lock_downgrade+0x6e0/0x6e0 [ 48.223969] ? setup_sigcontext+0x7d0/0x7d0 [ 48.228284] ? __mutex_unlock_slowpath+0x71/0x800 [ 48.233120] ? check_preemption_disabled+0x3c/0x250 [ 48.238244] ? wait_for_completion+0x420/0x420 [ 48.242846] ? __sb_end_write+0xc1/0x100 [ 48.247164] ? mutex_unlock+0xd/0x10 [ 48.250866] ? exit_to_usermode_loop+0x3d/0x220 [ 48.255523] exit_to_usermode_loop+0x15c/0x220 [ 48.260184] do_syscall_64+0x4a9/0x630 [ 48.264067] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.268922] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.274122] RIP: 0033:0x448109 [ 48.277317] RSP: 002b:00007faf5fa06cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 48.285213] RAX: ffffffffffffffe0 RBX: 00007faf5fa06cc0 RCX: 0000000000448109 [ 48.292479] RDX: 000000000000003c RSI: 0000000020004f40 RDI: 0000000000000004 [ 48.299768] RBP: 0000000000000006 R08: 0000000000000001 R09: 0000000000000032 [ 48.308519] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc2c executing program [ 48.315991] R13: 00007ffc50e8467f R14: 00007faf5fa079c0 R15: 0000000000000000 [ 48.332432] FAULT_INJECTION: forcing a failure. [ 48.332432] name failslab, interval 1, probability 0, space 0, times 0 [ 48.343899] CPU: 0 PID: 7099 Comm: syz-executor693 Not tainted 4.14.113 #3 [ 48.350996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.360344] Call Trace: [ 48.362938] dump_stack+0x138/0x19c [ 48.366592] should_fail.cold+0x10f/0x159 [ 48.370735] should_failslab+0xdb/0x130 [ 48.374700] kmem_cache_alloc+0x2d9/0x780 [ 48.378862] taskstats_exit+0x619/0xbd0 [ 48.382873] ? taskstats_user_cmd+0xd10/0xd10 [ 48.387377] ? _raw_spin_unlock_irq+0x5e/0x90 [ 48.391860] ? acct_collect+0x637/0x800 [ 48.395852] do_exit+0x368/0x2c10 [ 48.399297] ? find_held_lock+0x35/0x130 [ 48.404134] ? mm_update_next_owner+0x5d0/0x5d0 [ 48.408822] do_group_exit+0x111/0x330 [ 48.412742] get_signal+0x348/0x1a80 [ 48.416476] ? __fget_light+0x172/0x1f0 [ 48.420468] ? __fdget+0x1b/0x20 [ 48.423833] do_signal+0x86/0x1980 [ 48.427365] ? SyS_sendmsg+0x50/0x50 [ 48.431086] ? lock_downgrade+0x6e0/0x6e0 [ 48.435249] ? setup_sigcontext+0x7d0/0x7d0 [ 48.439946] ? __mutex_unlock_slowpath+0x71/0x800 [ 48.444803] ? check_preemption_disabled+0x3c/0x250 [ 48.449817] ? wait_for_completion+0x420/0x420 [ 48.454393] ? __sb_end_write+0xc1/0x100 [ 48.458459] ? mutex_unlock+0xd/0x10 [ 48.462160] ? exit_to_usermode_loop+0x3d/0x220 [ 48.466820] exit_to_usermode_loop+0x15c/0x220 [ 48.471599] do_syscall_64+0x4a9/0x630 [ 48.475504] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.480345] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.485542] RIP: 0033:0x448109 [ 48.488714] RSP: 002b:00007faf5fa06cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 48.496408] RAX: ffffffffffffffe0 RBX: 00007faf5fa06cc0 RCX: 0000000000448109 [ 48.503663] RDX: 000000000000003c RSI: 0000000020004f40 RDI: 0000000000000004 [ 48.510918] RBP: 0000000000000006 R08: 0000000000000001 R09: 0000000000000032 executing program [ 48.518177] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc2c [ 48.525462] R13: 00007ffc50e8467f R14: 00007faf5fa079c0 R15: 0000000000000000 [ 48.539983] FAULT_INJECTION: forcing a failure. [ 48.539983] name failslab, interval 1, probability 0, space 0, times 0 [ 48.551447] CPU: 0 PID: 7101 Comm: syz-executor693 Not tainted 4.14.113 #3 [ 48.558566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.567941] Call Trace: [ 48.570524] dump_stack+0x138/0x19c [ 48.574149] should_fail.cold+0x10f/0x159 [ 48.578294] should_failslab+0xdb/0x130 [ 48.582257] kmem_cache_alloc+0x2d9/0x780 [ 48.586396] taskstats_exit+0x619/0xbd0 [ 48.590433] ? taskstats_user_cmd+0xd10/0xd10 [ 48.594925] ? _raw_spin_unlock_irq+0x5e/0x90 [ 48.599420] ? acct_collect+0x637/0x800 [ 48.603382] do_exit+0x368/0x2c10 [ 48.606831] ? find_held_lock+0x35/0x130 [ 48.610907] ? mm_update_next_owner+0x5d0/0x5d0 [ 48.615611] do_group_exit+0x111/0x330 [ 48.619493] get_signal+0x348/0x1a80 [ 48.623194] ? __fget_light+0x172/0x1f0 [ 48.627181] ? __fdget+0x1b/0x20 [ 48.630565] do_signal+0x86/0x1980 [ 48.634103] ? SyS_sendmsg+0x50/0x50 [ 48.637821] ? lock_downgrade+0x6e0/0x6e0 [ 48.641970] ? setup_sigcontext+0x7d0/0x7d0 [ 48.646285] ? __mutex_unlock_slowpath+0x71/0x800 [ 48.651128] ? check_preemption_disabled+0x3c/0x250 [ 48.656138] ? wait_for_completion+0x420/0x420 [ 48.660708] ? __sb_end_write+0xc1/0x100 [ 48.664773] ? mutex_unlock+0xd/0x10 [ 48.668487] ? exit_to_usermode_loop+0x3d/0x220 [ 48.673181] exit_to_usermode_loop+0x15c/0x220 [ 48.677793] do_syscall_64+0x4a9/0x630 [ 48.681695] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.686537] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.691716] RIP: 0033:0x448109 [ 48.694890] RSP: 002b:00007faf5fa06cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 48.702586] RAX: ffffffffffffffe0 RBX: 00007faf5fa06cc0 RCX: 0000000000448109 [ 48.709985] RDX: 000000000000003c RSI: 0000000020004f40 RDI: 0000000000000004 executing program [ 48.717252] RBP: 0000000000000006 R08: 0000000000000001 R09: 0000000000000032 [ 48.727056] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc2c [ 48.734671] R13: 00007ffc50e8467f R14: 00007faf5fa079c0 R15: 0000000000000000 [ 48.749267] FAULT_INJECTION: forcing a failure. [ 48.749267] name failslab, interval 1, probability 0, space 0, times 0 [ 48.750489] ------------[ cut here ]------------ [ 48.760942] CPU: 0 PID: 7103 Comm: syz-executor693 Not tainted 4.14.113 #3 [ 48.765640] kernel BUG at net/core/skbuff.c:2644! [ 48.772766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.777686] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 48.786954] Call Trace: [ 48.792310] Modules linked in: [ 48.794905] dump_stack+0x138/0x19c [ 48.798076] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.14.113 #3 [ 48.801692] should_fail.cold+0x10f/0x159 [ 48.807908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.807918] task: ffff8880a9d1c340 task.stack: ffff8880a9d28000 [ 48.812070] should_failslab+0xdb/0x130 [ 48.821604] RIP: 0010:skb_copy_and_csum_bits+0x65c/0x740 [ 48.827650] kmem_cache_alloc+0x2d9/0x780 [ 48.831603] RSP: 0018:ffff8880aef072d8 EFLAGS: 00010206 [ 48.837224] taskstats_exit+0x619/0xbd0 [ 48.846712] ? taskstats_user_cmd+0xd10/0xd10 [ 48.850699] RAX: ffff8880a9d1c340 RBX: 0000000000000000 RCX: ffff888094e5e34c [ 48.855190] ? _raw_spin_unlock_irq+0x5e/0x90 [ 48.862460] RDX: 0000000000000100 RSI: ffff888091dca968 RDI: ffff88808f8f3dc8 [ 48.867303] ? acct_collect+0x637/0x800 [ 48.874559] RBP: ffff8880aef07360 R08: 0000000000000000 R09: 0000000000000000 [ 48.874568] R10: 000000000000003c R11: ffff888091dcabe3 R12: 000000008c410295 [ 48.878556] do_exit+0x368/0x2c10 [ 48.885816] R13: 0000000000000000 R14: 000000000000003c R15: ffff88808f8f3dc0 [ 48.893097] ? find_held_lock+0x35/0x130 [ 48.896538] FS: 0000000000000000(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 [ 48.903805] ? mm_update_next_owner+0x5d0/0x5d0 [ 48.908451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.916674] do_group_exit+0x111/0x330 [ 48.921335] CR2: 00007faf5fa06db8 CR3: 000000009e0a5000 CR4: 00000000001406e0 [ 48.927214] get_signal+0x348/0x1a80 [ 48.931077] Call Trace: [ 48.938440] ? __fget_light+0x172/0x1f0 [ 48.942134] [ 48.944708] ? __fdget+0x1b/0x20 [ 48.948665] ? sock_wmalloc+0xf0/0xf0 [ 48.950806] do_signal+0x86/0x1980 [ 48.954156] ? default_idle_call+0x36/0x90 [ 48.957939] ? SyS_sendmsg+0x50/0x50 [ 48.961463] ? ip_route_output_key_hash+0x1da/0x2e0 [ 48.965774] ? lock_downgrade+0x6e0/0x6e0 [ 48.969476] icmp_glue_bits+0x7f/0x1d0 [ 48.974488] ? setup_sigcontext+0x7d0/0x7d0 [ 48.978630] __ip_append_data.isra.0+0x1570/0x20c0 [ 48.982518] ? __mutex_unlock_slowpath+0x71/0x800 [ 48.986846] ? __lock_is_held+0xb6/0x140 [ 48.991770] ? check_preemption_disabled+0x3c/0x250 [ 48.996600] ? icmp_push_reply+0x500/0x500 [ 49.000646] ? wait_for_completion+0x420/0x420 [ 49.005651] ? rcu_read_lock_sched_held+0x110/0x130 [ 49.009870] ? __sb_end_write+0xc1/0x100 [ 49.014441] ? __ip_flush_pending_frames.isra.0+0x2d0/0x2d0 [ 49.019448] ? mutex_unlock+0xd/0x10 [ 49.023587] ? ipv4_mtu+0x25e/0x3a0 [ 49.029376] ? exit_to_usermode_loop+0x3d/0x220 [ 49.033087] ? icmp_push_reply+0x500/0x500 [ 49.036697] exit_to_usermode_loop+0x15c/0x220 [ 49.041355] ip_append_data.part.0+0xde/0x150 [ 49.045584] do_syscall_64+0x4a9/0x630 [ 49.050165] ? icmp_push_reply+0x500/0x500 [ 49.054836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.058706] ip_append_data+0x5b/0x80 [ 49.062929] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.067867] icmp_push_reply+0x189/0x500 [ 49.071740] RIP: 0033:0x448109 [ 49.076918] __icmp_send+0x979/0x11f0 [ 49.080963] RSP: 002b:00007faf5fa06cb8 EFLAGS: 00000246 [ 49.084153] ? icmp_route_lookup.constprop.0+0x11d0/0x11d0 [ 49.089481] ORIG_RAX: 0000000000000133 [ 49.094847] ? selinux_peerlbl_enabled+0xa2/0xd0 [ 49.094858] ? selinux_ip_postroute+0x45b/0xa30 [ 49.100509] RAX: ffffffffffffffe0 RBX: 00007faf5fa06cc0 RCX: 0000000000448109 [ 49.104496] ? selinux_ip_postroute_compat+0x3f0/0x3f0 [ 49.109229] RDX: 000000000000003c RSI: 0000000020004f40 RDI: 0000000000000004 [ 49.113897] ? __lock_is_held+0xb6/0x140 [ 49.121243] RBP: 0000000000000006 R08: 0000000000000001 R09: 0000000000000032 [ 49.126527] ? check_preemption_disabled+0x3c/0x250 [ 49.133907] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc2c [ 49.137970] ip_fragment.constprop.0+0x1b6/0x200 [ 49.145235] R13: 00007ffc50e8467f R14: 00007faf5fa079c0 R15: 0000000000000000 [ 49.150524] ip_finish_output+0x7c8/0xc70 [ 49.174112] ip_output+0x1e6/0x590 [ 49.177909] ? ip_mc_output+0xd40/0xd40 [ 49.181968] ? __lock_is_held+0xb6/0x140 [ 49.186025] ? check_preemption_disabled+0x3c/0x250 [ 49.191831] ? ip_fragment.constprop.0+0x200/0x200 [ 49.196770] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 49.202225] ip_local_out+0x9c/0x180 [ 49.205936] ip_queue_xmit+0x7d7/0x1b10 [ 49.209904] ? __tcp_v4_send_check+0x1c0/0x360 [ 49.214483] __tcp_transmit_skb+0x1744/0x3000 [ 49.218990] ? bictcp_cong_avoid+0xe50/0xe50 [ 49.223476] ? __tcp_select_window+0x6e0/0x6e0 [ 49.228072] __tcp_retransmit_skb+0x53b/0x1bb0 [ 49.233541] ? bictcp_state+0x427/0x4f0 [ 49.237514] ? bictcp_cwnd_event+0x120/0x120 [ 49.241922] tcp_retransmit_skb+0x2e/0x230 [ 49.246159] tcp_retransmit_timer+0x825/0x2580 [ 49.250739] ? sched_clock+0x2e/0x50 [ 49.254471] tcp_write_timer_handler+0x482/0x7e0 [ 49.259231] tcp_write_timer+0xd8/0x180 [ 49.263200] call_timer_fn+0x164/0x680 [ 49.267121] ? tcp_write_timer_handler+0x7e0/0x7e0 [ 49.272061] ? __next_timer_interrupt+0x140/0x140 [ 49.276898] ? trace_hardirqs_on_caller+0x19b/0x590 [ 49.281908] run_timer_softirq+0x5b4/0x1570 [ 49.286249] ? tcp_write_timer_handler+0x7e0/0x7e0 [ 49.291177] ? add_timer+0xae0/0xae0 [ 49.294884] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 49.300333] __do_softirq+0x24e/0x9ae [ 49.304128] ? sched_clock+0x2e/0x50 [ 49.307857] irq_exit+0x160/0x1b0 [ 49.311388] smp_apic_timer_interrupt+0x156/0x600 [ 49.316241] apic_timer_interrupt+0x8e/0xa0 [ 49.320555] [ 49.322792] RIP: 0010:native_safe_halt+0x2/0x10 [ 49.327448] RSP: 0018:ffff8880a9d2fe70 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 [ 49.335149] RAX: 1ffffffff0ee2968 RBX: ffff8880a9d1c340 RCX: 0000000000000000 [ 49.342417] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880a9d1cbbc [ 49.349681] RBP: ffff8880a9d2fe98 R08: 1ffffffff1049901 R09: 0000000000000000 [ 49.356942] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff87714b30 [ 49.364218] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880a9d1c340 [ 49.371518] ? default_idle+0x4c/0x380 [ 49.375423] arch_cpu_idle+0x10/0x20 [ 49.379130] default_idle_call+0x36/0x90 [ 49.383201] do_idle+0x262/0x3d0 [ 49.386575] cpu_startup_entry+0x1b/0x20 [ 49.390630] start_secondary+0x362/0x4d0 [ 49.394698] secondary_startup_64+0xa5/0xb0 [ 49.399025] Code: d4 49 01 c7 44 89 75 bc 4c 89 7d c0 e9 75 fa ff ff 44 8b 65 d4 e9 61 ff ff ff e8 e0 d1 8d fc 0f 0b e9 94 fe ff ff e8 d4 d1 8d fc <0f> 0b e8 ed 76 b7 fc e9 7e fd ff ff 48 8b bd 78 ff ff ff e8 dc [ 49.418210] RIP: skb_copy_and_csum_bits+0x65c/0x740 RSP: ffff8880aef072d8 [ 49.425192] ---[ end trace 6f021a7cc2fdba49 ]--- [ 49.429957] Kernel panic - not syncing: Fatal exception in interrupt [ 49.437263] Kernel Offset: disabled [ 49.440881] Rebooting in 86400 seconds..