[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.179' (ECDSA) to the list of known hosts. syzkaller login: [ 33.852211] IPVS: ftp: loaded support on port[0] = 21 [ 33.923714] chnl_net:caif_netlink_parms(): no params data found [ 34.017581] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.024123] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.031576] device bridge_slave_0 entered promiscuous mode [ 34.039430] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.045774] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.052984] device bridge_slave_1 entered promiscuous mode [ 34.068547] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 34.077369] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 34.094205] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 34.101346] team0: Port device team_slave_0 added [ 34.106873] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 34.113882] team0: Port device team_slave_1 added [ 34.128137] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 34.134360] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 34.159691] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 34.170830] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 34.177161] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 34.202402] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 34.213166] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 34.220591] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 34.238902] device hsr_slave_0 entered promiscuous mode [ 34.244449] device hsr_slave_1 entered promiscuous mode [ 34.250515] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 34.257554] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 34.314213] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.320640] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.327511] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.333860] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.361775] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 34.368848] 8021q: adding VLAN 0 to HW filter on device bond0 [ 34.377557] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 34.385416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 34.394330] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.411657] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.421215] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 34.427353] 8021q: adding VLAN 0 to HW filter on device team0 [ 34.435130] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 34.442765] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.449149] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.458326] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 34.465939] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.472332] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.488297] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 34.495894] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 34.504279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 34.512578] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 34.521259] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 34.530500] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 34.536699] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 34.548386] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 34.555427] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 34.562536] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 34.572825] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 34.619035] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 34.628547] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 34.657463] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 34.664306] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 34.671796] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 34.680710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 34.688311] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 34.695046] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 34.704009] device veth0_vlan entered promiscuous mode [ 34.712882] device veth1_vlan entered promiscuous mode [ 34.718994] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 34.727721] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 34.738515] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 34.747858] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 34.755021] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 34.768914] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 34.777747] device veth0_macvtap entered promiscuous mode [ 34.783694] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 34.791768] device veth1_macvtap entered promiscuous mode [ 34.799810] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 34.808496] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 34.818519] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 34.825124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 34.833515] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 34.842648] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 34.850073] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 34.926178] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 34.955627] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 35.008244] FAULT_INJECTION: forcing a failure. [ 35.008244] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 35.021251] CPU: 0 PID: 8211 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 35.029140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.038485] Call Trace: [ 35.041052] dump_stack+0x1b2/0x281 [ 35.044678] should_fail.cold+0x10a/0x149 [ 35.048805] __alloc_pages_nodemask+0x22c/0x2720 [ 35.053629] ? unwind_next_frame+0xe54/0x17d0 [ 35.058106] ? __lock_acquire+0x5fc/0x3f20 [ 35.062334] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 35.067157] ? __lock_acquire+0x5fc/0x3f20 [ 35.071464] alloc_pages_vma+0xd2/0x6d0 [ 35.075415] wp_page_copy+0x1f5/0x25c0 [ 35.079286] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 35.083758] ? __lock_acquire+0x5fc/0x3f20 [ 35.087977] do_wp_page+0x245/0x1db0 [ 35.091758] ? __handle_mm_fault+0x129c/0x4620 [ 35.096328] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 35.100986] __handle_mm_fault+0x234f/0x4620 [ 35.105391] ? vm_insert_page+0x7c0/0x7c0 [ 35.109529] ? lock_acquire+0x170/0x3f0 [ 35.113490] ? mark_held_locks+0xa6/0xf0 [ 35.117539] handle_mm_fault+0x455/0x9c0 [ 35.121580] __do_page_fault+0x549/0xad0 [ 35.125713] ? spurious_fault+0x640/0x640 [ 35.129842] ? do_page_fault+0x60/0x500 [ 35.133796] ? page_fault+0x2f/0x50 [ 35.137399] page_fault+0x45/0x50 [ 35.140845] RIP: 0001:0x7ffda98e26f0 [ 35.144533] RSP: 55b04f08:0000000000000000 EFLAGS: 00000000 executing program [ 35.146900] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 35.170812] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 35.184947] FAULT_INJECTION: forcing a failure. [ 35.184947] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 35.197925] CPU: 1 PID: 8219 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 35.205806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.215152] Call Trace: [ 35.217725] dump_stack+0x1b2/0x281 [ 35.221342] should_fail.cold+0x10a/0x149 [ 35.225478] __alloc_pages_nodemask+0x22c/0x2720 [ 35.230223] ? kasan_slab_free+0xc3/0x1a0 [ 35.234358] ? ___pmd_free_tlb+0xa3/0xf0 [ 35.238415] ? free_pgd_range+0x697/0xcd0 [ 35.242549] ? exit_mmap+0x27f/0x4d0 [ 35.246251] ? mmput+0xfa/0x420 [ 35.249506] ? do_exit+0x984/0x2850 [ 35.253117] ? do_syscall_64+0x1d5/0x640 [ 35.257158] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.262555] ? debug_check_no_obj_freed+0x2c0/0x680 [ 35.267556] ? lock_acquire+0x170/0x3f0 [ 35.271508] ? lock_downgrade+0x740/0x740 [ 35.275638] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 35.280457] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.285806] ? ___pmd_free_tlb+0xa3/0xf0 [ 35.289848] alloc_pages_current+0x155/0x260 [ 35.294238] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.299256] __get_free_pages+0xb/0x40 [ 35.303228] tlb_remove_table+0x15c/0x240 [ 35.307439] free_pgd_range+0x697/0xcd0 [ 35.311407] free_pgtables+0x1ec/0x2b0 [ 35.315273] exit_mmap+0x27f/0x4d0 [ 35.318793] ? SyS_remap_file_pages+0x6a0/0x6a0 [ 35.323443] ? kmem_cache_free+0x23a/0x2b0 [ 35.327653] ? __khugepaged_exit+0x29b/0x3c0 [ 35.332043] mmput+0xfa/0x420 [ 35.335137] do_exit+0x984/0x2850 [ 35.338590] ? __do_page_fault+0x571/0xad0 [ 35.342809] ? mm_update_next_owner+0x5b0/0x5b0 [ 35.347464] ? lock_downgrade+0x740/0x740 [ 35.351604] do_group_exit+0x100/0x2e0 [ 35.355474] SyS_exit_group+0x19/0x20 [ 35.359255] ? do_group_exit+0x2e0/0x2e0 [ 35.363301] do_syscall_64+0x1d5/0x640 [ 35.367188] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.372354] RIP: 0033:0x7f1555a89779 [ 35.376060] RSP: 002b:00007ffda98e2658 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 35.383759] RAX: ffffffffffffffda RBX: 00007f1555b071b0 RCX: 00007f1555a89779 [ 35.391005] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 35.398256] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000 executing program [ 35.405525] R10: 0000000000008000 R11: 0000000000000246 R12: 00007f1555b071b0 [ 35.412861] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 35.446695] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 35.495945] FAULT_INJECTION: forcing a failure. [ 35.495945] name failslab, interval 1, probability 0, space 0, times 1 [ 35.507518] CPU: 0 PID: 8226 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 35.515393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.524734] Call Trace: [ 35.527300] dump_stack+0x1b2/0x281 [ 35.530909] should_fail.cold+0x10a/0x149 [ 35.535122] should_failslab+0xd6/0x130 [ 35.539078] kmem_cache_alloc_node_trace+0x25a/0x400 [ 35.544156] __kmalloc_node_track_caller+0x38/0x70 [ 35.549061] __alloc_skb+0x96/0x510 [ 35.552681] kobject_uevent_env+0x882/0xf30 [ 35.556999] loop_clr_fd+0x59f/0xc20 [ 35.560701] lo_ioctl+0x895/0x1cd0 [ 35.564220] ? kasan_slab_free+0x12d/0x1a0 [ 35.568435] ? loop_set_status64+0xe0/0xe0 [ 35.572654] blkdev_ioctl+0x540/0x1830 [ 35.576524] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.581866] ? blkpg_ioctl+0x8d0/0x8d0 [ 35.585752] ? lock_downgrade+0x740/0x740 [ 35.589893] ? debug_check_no_obj_freed+0x2c0/0x680 [ 35.594900] ? lock_acquire+0x170/0x3f0 [ 35.598870] block_ioctl+0xd9/0x120 [ 35.602487] ? blkdev_fallocate+0x3a0/0x3a0 [ 35.606800] do_vfs_ioctl+0x75a/0xff0 [ 35.610591] ? debug_check_no_obj_freed+0x2c0/0x680 [ 35.615582] ? ioctl_preallocate+0x1a0/0x1a0 [ 35.619971] ? debug_object_activate+0x490/0x490 [ 35.624718] ? kfree+0x14a/0x250 [ 35.628080] ? SyS_mount+0xcc/0x120 [ 35.631684] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 35.636694] ? security_file_ioctl+0x83/0xb0 [ 35.641096] SyS_ioctl+0x7f/0xb0 [ 35.644437] ? do_vfs_ioctl+0xff0/0xff0 [ 35.648394] do_syscall_64+0x1d5/0x640 [ 35.652414] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.657583] RIP: 0033:0x7f1555a8ab77 [ 35.661273] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.668955] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 35.676207] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 35.683454] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 executing program [ 35.690701] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 [ 35.697950] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 0000000000000002 [ 35.720754] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value executing program [ 35.788161] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 35.796824] FAULT_INJECTION: forcing a failure. [ 35.796824] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 35.809675] CPU: 0 PID: 8240 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 35.817552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.827062] Call Trace: [ 35.829653] dump_stack+0x1b2/0x281 [ 35.833261] should_fail.cold+0x10a/0x149 [ 35.837386] __alloc_pages_nodemask+0x22c/0x2720 [ 35.842120] ? trace_hardirqs_on+0x10/0x10 [ 35.846335] ? trace_hardirqs_on+0x10/0x10 [ 35.850562] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 35.855382] ? lock_acquire+0x170/0x3f0 [ 35.859340] ? reacquire_held_locks+0xb5/0x3f0 [ 35.863896] ? alloc_set_pte+0xd57/0x1610 [ 35.868035] ? __lock_acquire+0x5fc/0x3f20 [ 35.872266] alloc_pages_vma+0xd2/0x6d0 [ 35.876221] wp_page_copy+0x1f5/0x25c0 [ 35.880089] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 35.884568] ? __lock_acquire+0x5fc/0x3f20 [ 35.888788] do_wp_page+0x245/0x1db0 [ 35.892488] ? __handle_mm_fault+0x129c/0x4620 [ 35.897045] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 35.901690] __handle_mm_fault+0x234f/0x4620 [ 35.906079] ? vm_insert_page+0x7c0/0x7c0 [ 35.910202] ? lock_acquire+0x170/0x3f0 [ 35.914156] ? mark_held_locks+0xa6/0xf0 [ 35.918205] handle_mm_fault+0x455/0x9c0 [ 35.922251] __do_page_fault+0x549/0xad0 [ 35.926306] ? spurious_fault+0x640/0x640 [ 35.930432] ? do_page_fault+0x60/0x500 [ 35.934386] ? page_fault+0x2f/0x50 executing program [ 35.938006] page_fault+0x45/0x50 [ 35.941435] RIP: 0001:0x7f1555b09ce0 [ 35.945154] RSP: 55b04f08:0000000000000000 EFLAGS: 00000000 [ 35.946813] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 35.970835] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 35.988329] FAULT_INJECTION: forcing a failure. [ 35.988329] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 36.000383] CPU: 0 PID: 8245 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 36.008243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.017637] Call Trace: [ 36.020216] dump_stack+0x1b2/0x281 [ 36.023918] should_fail.cold+0x10a/0x149 [ 36.028051] __alloc_pages_nodemask+0x22c/0x2720 [ 36.032798] ? trace_hardirqs_on+0x10/0x10 [ 36.037022] ? trace_hardirqs_on+0x10/0x10 [ 36.041236] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 36.046067] ? lock_acquire+0x170/0x3f0 [ 36.050033] ? reacquire_held_locks+0xb5/0x3f0 [ 36.054607] ? alloc_set_pte+0xd57/0x1610 [ 36.058736] ? __lock_acquire+0x5fc/0x3f20 [ 36.062950] alloc_pages_vma+0xd2/0x6d0 [ 36.066921] wp_page_copy+0x1f5/0x25c0 [ 36.070802] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 36.075279] ? __lock_acquire+0x5fc/0x3f20 [ 36.079510] do_wp_page+0x245/0x1db0 [ 36.083200] ? __handle_mm_fault+0x129c/0x4620 [ 36.087759] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 36.092412] __handle_mm_fault+0x234f/0x4620 [ 36.096798] ? vm_insert_page+0x7c0/0x7c0 [ 36.100924] ? lock_acquire+0x170/0x3f0 [ 36.104879] ? mark_held_locks+0xa6/0xf0 [ 36.108926] handle_mm_fault+0x455/0x9c0 [ 36.112963] __do_page_fault+0x549/0xad0 [ 36.117094] ? spurious_fault+0x640/0x640 [ 36.121218] ? do_page_fault+0x60/0x500 [ 36.125174] ? page_fault+0x2f/0x50 [ 36.128787] page_fault+0x45/0x50 [ 36.132234] RIP: 0001:0x7f1555b09ce0 executing program executing program [ 36.135935] RSP: 55b04f08:0000000000000000 EFLAGS: 00000000 [ 36.139253] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 36.167797] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 36.222389] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 36.231717] FAULT_INJECTION: forcing a failure. [ 36.231717] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 36.244659] CPU: 0 PID: 8255 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 36.252547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.261880] Call Trace: [ 36.264445] dump_stack+0x1b2/0x281 [ 36.268053] should_fail.cold+0x10a/0x149 [ 36.272189] __alloc_pages_nodemask+0x22c/0x2720 [ 36.276940] ? kasan_slab_free+0xc3/0x1a0 [ 36.281072] ? ___pmd_free_tlb+0xa3/0xf0 [ 36.285116] ? free_pgd_range+0x697/0xcd0 [ 36.289332] ? exit_mmap+0x27f/0x4d0 [ 36.293018] ? mmput+0xfa/0x420 [ 36.296273] ? do_exit+0x984/0x2850 [ 36.299891] ? do_syscall_64+0x1d5/0x640 [ 36.303926] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.309273] ? debug_check_no_obj_freed+0x2c0/0x680 [ 36.314277] ? lock_acquire+0x170/0x3f0 [ 36.318231] ? lock_downgrade+0x740/0x740 [ 36.322442] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 36.327265] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.332614] ? ___pmd_free_tlb+0xa3/0xf0 [ 36.336740] alloc_pages_current+0x155/0x260 [ 36.341126] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.346137] __get_free_pages+0xb/0x40 [ 36.350002] tlb_remove_table+0x15c/0x240 [ 36.354128] free_pgd_range+0x697/0xcd0 [ 36.358083] free_pgtables+0x1ec/0x2b0 [ 36.361958] exit_mmap+0x27f/0x4d0 [ 36.365483] ? SyS_remap_file_pages+0x6a0/0x6a0 [ 36.370161] ? kmem_cache_free+0x23a/0x2b0 [ 36.374379] ? __khugepaged_exit+0x29b/0x3c0 [ 36.378766] mmput+0xfa/0x420 [ 36.381851] do_exit+0x984/0x2850 [ 36.385281] ? __do_page_fault+0x571/0xad0 [ 36.389580] ? mm_update_next_owner+0x5b0/0x5b0 [ 36.394224] ? lock_downgrade+0x740/0x740 [ 36.398349] do_group_exit+0x100/0x2e0 [ 36.402231] SyS_exit_group+0x19/0x20 [ 36.406023] ? do_group_exit+0x2e0/0x2e0 [ 36.410062] do_syscall_64+0x1d5/0x640 [ 36.413930] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.419095] RIP: 0033:0x7f1555a89779 executing program [ 36.422796] RSP: 002b:00007ffda98e2658 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 36.430573] RAX: ffffffffffffffda RBX: 00007f1555b071b0 RCX: 00007f1555a89779 [ 36.437873] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 36.445127] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000 [ 36.452381] R10: 0000000000008000 R11: 0000000000000246 R12: 00007f1555b071b0 [ 36.459704] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 36.487312] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 36.526147] FAULT_INJECTION: forcing a failure. [ 36.526147] name failslab, interval 1, probability 0, space 0, times 0 [ 36.538867] CPU: 1 PID: 8260 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 36.546745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.556077] Call Trace: [ 36.558665] dump_stack+0x1b2/0x281 [ 36.562272] should_fail.cold+0x10a/0x149 [ 36.566399] should_failslab+0xd6/0x130 [ 36.570354] kmem_cache_alloc_node+0x263/0x410 [ 36.574924] __alloc_skb+0x5c/0x510 [ 36.578548] kobject_uevent_env+0x882/0xf30 [ 36.582857] loop_clr_fd+0x59f/0xc20 [ 36.586549] lo_ioctl+0x895/0x1cd0 [ 36.590070] ? kasan_slab_free+0x12d/0x1a0 [ 36.594293] ? loop_set_status64+0xe0/0xe0 [ 36.598506] blkdev_ioctl+0x540/0x1830 [ 36.602370] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.607723] ? blkpg_ioctl+0x8d0/0x8d0 [ 36.611858] ? lock_downgrade+0x740/0x740 [ 36.615990] ? debug_check_no_obj_freed+0x2c0/0x680 [ 36.620998] ? lock_acquire+0x170/0x3f0 [ 36.624953] block_ioctl+0xd9/0x120 [ 36.628588] ? blkdev_fallocate+0x3a0/0x3a0 [ 36.632894] do_vfs_ioctl+0x75a/0xff0 [ 36.636673] ? debug_check_no_obj_freed+0x2c0/0x680 [ 36.641664] ? ioctl_preallocate+0x1a0/0x1a0 [ 36.646051] ? debug_object_activate+0x490/0x490 [ 36.650814] ? kfree+0x14a/0x250 [ 36.654157] ? SyS_mount+0xcc/0x120 [ 36.657763] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 36.662762] ? security_file_ioctl+0x83/0xb0 [ 36.667166] SyS_ioctl+0x7f/0xb0 [ 36.670526] ? do_vfs_ioctl+0xff0/0xff0 [ 36.674495] do_syscall_64+0x1d5/0x640 [ 36.678384] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.683549] RIP: 0033:0x7f1555a8ab77 executing program [ 36.687235] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.694928] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 36.702177] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 36.709424] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 [ 36.716688] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 [ 36.723941] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 0000000000000008 executing program [ 36.755216] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 36.787356] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value executing program [ 36.846515] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 36.895339] FAULT_INJECTION: forcing a failure. [ 36.895339] name failslab, interval 1, probability 0, space 0, times 0 [ 36.907192] CPU: 0 PID: 8275 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 36.915086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.924421] Call Trace: [ 36.926993] dump_stack+0x1b2/0x281 [ 36.930599] should_fail.cold+0x10a/0x149 [ 36.934742] should_failslab+0xd6/0x130 [ 36.938711] kmem_cache_alloc_node_trace+0x25a/0x400 [ 36.943807] __kmalloc_node_track_caller+0x38/0x70 [ 36.948716] __alloc_skb+0x96/0x510 [ 36.952323] kobject_uevent_env+0x882/0xf30 [ 36.956677] loop_clr_fd+0x59f/0xc20 [ 36.960373] lo_ioctl+0x895/0x1cd0 [ 36.963893] ? kasan_slab_free+0x12d/0x1a0 [ 36.968119] ? loop_set_status64+0xe0/0xe0 [ 36.972420] blkdev_ioctl+0x540/0x1830 [ 36.976286] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.981641] ? blkpg_ioctl+0x8d0/0x8d0 [ 36.985507] ? lock_downgrade+0x740/0x740 [ 36.989632] ? debug_check_no_obj_freed+0x2c0/0x680 [ 36.994635] ? lock_acquire+0x170/0x3f0 [ 36.998593] block_ioctl+0xd9/0x120 [ 37.002199] ? blkdev_fallocate+0x3a0/0x3a0 [ 37.006510] do_vfs_ioctl+0x75a/0xff0 [ 37.010293] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.015308] ? ioctl_preallocate+0x1a0/0x1a0 [ 37.019696] ? debug_object_activate+0x490/0x490 [ 37.024428] ? kfree+0x14a/0x250 [ 37.027777] ? SyS_mount+0xcc/0x120 [ 37.031384] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 37.036376] ? security_file_ioctl+0x83/0xb0 [ 37.040771] SyS_ioctl+0x7f/0xb0 [ 37.044113] ? do_vfs_ioctl+0xff0/0xff0 [ 37.048063] do_syscall_64+0x1d5/0x640 [ 37.051932] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.057098] RIP: 0033:0x7f1555a8ab77 [ 37.060958] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.068643] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 37.075892] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 37.083138] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 executing program [ 37.090385] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 [ 37.097726] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 000000000000000b [ 37.116489] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 37.155046] FAULT_INJECTION: forcing a failure. [ 37.155046] name failslab, interval 1, probability 0, space 0, times 0 [ 37.166752] CPU: 0 PID: 8280 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 37.174619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.183958] Call Trace: [ 37.186526] dump_stack+0x1b2/0x281 [ 37.190218] should_fail.cold+0x10a/0x149 [ 37.194349] should_failslab+0xd6/0x130 [ 37.198306] __kmalloc+0x2c1/0x400 [ 37.201825] ? kobject_get_path+0xb5/0x230 [ 37.206048] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 37.211481] kobject_get_path+0xb5/0x230 [ 37.215524] kobject_uevent_env+0x230/0xf30 [ 37.219829] loop_clr_fd+0x59f/0xc20 [ 37.223703] lo_ioctl+0x895/0x1cd0 [ 37.227333] ? kasan_slab_free+0x12d/0x1a0 [ 37.231544] ? loop_set_status64+0xe0/0xe0 [ 37.235763] blkdev_ioctl+0x540/0x1830 [ 37.239627] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.244983] ? blkpg_ioctl+0x8d0/0x8d0 [ 37.248855] ? lock_downgrade+0x740/0x740 [ 37.252979] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.257978] ? lock_acquire+0x170/0x3f0 [ 37.261931] block_ioctl+0xd9/0x120 [ 37.265534] ? blkdev_fallocate+0x3a0/0x3a0 [ 37.269839] do_vfs_ioctl+0x75a/0xff0 [ 37.273645] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.278647] ? ioctl_preallocate+0x1a0/0x1a0 [ 37.283039] ? debug_object_activate+0x490/0x490 [ 37.287773] ? kfree+0x14a/0x250 [ 37.291122] ? SyS_mount+0xcc/0x120 [ 37.294740] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 37.299750] ? security_file_ioctl+0x83/0xb0 [ 37.304135] SyS_ioctl+0x7f/0xb0 [ 37.307481] ? do_vfs_ioctl+0xff0/0xff0 [ 37.311447] do_syscall_64+0x1d5/0x640 [ 37.315318] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.320485] RIP: 0033:0x7f1555a8ab77 [ 37.324172] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.331857] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 37.339116] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 37.346372] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 executing program [ 37.353616] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 [ 37.360860] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 000000000000000c [ 37.384362] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 37.424783] FAULT_INJECTION: forcing a failure. [ 37.424783] name failslab, interval 1, probability 0, space 0, times 0 [ 37.436568] CPU: 0 PID: 8287 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 37.444435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.453772] Call Trace: [ 37.456339] dump_stack+0x1b2/0x281 [ 37.459968] should_fail.cold+0x10a/0x149 [ 37.464096] should_failslab+0xd6/0x130 [ 37.468053] kmem_cache_alloc_node_trace+0x25a/0x400 [ 37.473134] __kmalloc_node_track_caller+0x38/0x70 [ 37.478042] __alloc_skb+0x96/0x510 [ 37.481666] kobject_uevent_env+0x882/0xf30 [ 37.485973] loop_clr_fd+0x59f/0xc20 [ 37.489667] lo_ioctl+0x895/0x1cd0 [ 37.493186] ? kasan_slab_free+0x12d/0x1a0 [ 37.497417] ? loop_set_status64+0xe0/0xe0 [ 37.501639] blkdev_ioctl+0x540/0x1830 [ 37.505523] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.510867] ? blkpg_ioctl+0x8d0/0x8d0 [ 37.514736] ? lock_downgrade+0x740/0x740 [ 37.518876] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.523870] ? lock_acquire+0x170/0x3f0 [ 37.527841] block_ioctl+0xd9/0x120 [ 37.531446] ? blkdev_fallocate+0x3a0/0x3a0 [ 37.535746] do_vfs_ioctl+0x75a/0xff0 [ 37.539524] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.544518] ? ioctl_preallocate+0x1a0/0x1a0 [ 37.548908] ? debug_object_activate+0x490/0x490 [ 37.553641] ? kfree+0x14a/0x250 [ 37.556998] ? SyS_mount+0xcc/0x120 [ 37.560601] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 37.565621] ? security_file_ioctl+0x83/0xb0 [ 37.570014] SyS_ioctl+0x7f/0xb0 [ 37.573357] ? do_vfs_ioctl+0xff0/0xff0 [ 37.577330] do_syscall_64+0x1d5/0x640 [ 37.581218] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.586397] RIP: 0033:0x7f1555a8ab77 [ 37.590086] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.597768] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 37.605018] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 37.612262] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 executing program [ 37.619526] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 [ 37.626775] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 000000000000000d [ 37.661698] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 37.694985] FAULT_INJECTION: forcing a failure. [ 37.694985] name failslab, interval 1, probability 0, space 0, times 0 [ 37.706261] CPU: 0 PID: 8296 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 37.714122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.723456] Call Trace: [ 37.726024] dump_stack+0x1b2/0x281 [ 37.729646] should_fail.cold+0x10a/0x149 [ 37.733774] should_failslab+0xd6/0x130 [ 37.737727] kmem_cache_alloc_node+0x263/0x410 [ 37.742287] __alloc_skb+0x5c/0x510 [ 37.745899] kobject_uevent_env+0x882/0xf30 [ 37.750206] loop_clr_fd+0x59f/0xc20 [ 37.753924] lo_ioctl+0x895/0x1cd0 [ 37.757459] ? kasan_slab_free+0x12d/0x1a0 [ 37.761667] ? loop_set_status64+0xe0/0xe0 [ 37.765883] blkdev_ioctl+0x540/0x1830 [ 37.769753] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.775095] ? blkpg_ioctl+0x8d0/0x8d0 [ 37.778959] ? lock_downgrade+0x740/0x740 [ 37.783086] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.788089] ? lock_acquire+0x170/0x3f0 [ 37.792061] block_ioctl+0xd9/0x120 [ 37.795664] ? blkdev_fallocate+0x3a0/0x3a0 [ 37.799978] do_vfs_ioctl+0x75a/0xff0 [ 37.803756] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.808746] ? ioctl_preallocate+0x1a0/0x1a0 [ 37.813132] ? debug_object_activate+0x490/0x490 [ 37.817872] ? kfree+0x14a/0x250 [ 37.821221] ? SyS_mount+0xcc/0x120 [ 37.824833] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 37.829913] ? security_file_ioctl+0x83/0xb0 [ 37.834307] SyS_ioctl+0x7f/0xb0 [ 37.837656] ? do_vfs_ioctl+0xff0/0xff0 [ 37.841606] do_syscall_64+0x1d5/0x640 [ 37.845482] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.850647] RIP: 0033:0x7f1555a8ab77 [ 37.854337] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.862027] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 37.869274] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 37.876527] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 [ 37.883777] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 37.891023] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 000000000000000e [ 37.914985] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 37.954937] FAULT_INJECTION: forcing a failure. [ 37.954937] name failslab, interval 1, probability 0, space 0, times 0 [ 37.966815] CPU: 1 PID: 8301 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 37.974701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.984041] Call Trace: [ 37.986620] dump_stack+0x1b2/0x281 [ 37.990247] should_fail.cold+0x10a/0x149 [ 37.994388] should_failslab+0xd6/0x130 [ 37.998360] __kmalloc+0x2c1/0x400 [ 38.001886] ? inotify_handle_event+0xa7/0x360 [ 38.006469] inotify_handle_event+0xa7/0x360 [ 38.010871] fsnotify+0x6a1/0x11b0 [ 38.014414] ? __fsnotify_inode_delete+0x20/0x20 [ 38.019158] ? __fsnotify_update_child_dentry_flags.part.0+0x2e0/0x2e0 [ 38.025837] __fput+0x539/0x7a0 [ 38.029111] task_work_run+0x11f/0x190 [ 38.032989] exit_to_usermode_loop+0x1ad/0x200 [ 38.037558] do_syscall_64+0x4a3/0x640 [ 38.041445] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.046620] RIP: 0033:0x7f1555a47fe3 executing program [ 38.050315] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 38.058009] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f1555a47fe3 [ 38.065267] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 38.072521] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 [ 38.079779] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 [ 38.087035] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 000000000000000f [ 38.104954] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 38.155283] FAULT_INJECTION: forcing a failure. [ 38.155283] name failslab, interval 1, probability 0, space 0, times 0 [ 38.167223] CPU: 0 PID: 8309 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 38.175097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.184433] Call Trace: [ 38.187008] dump_stack+0x1b2/0x281 [ 38.190628] should_fail.cold+0x10a/0x149 [ 38.194765] should_failslab+0xd6/0x130 [ 38.198719] kmem_cache_alloc_node+0x263/0x410 [ 38.203285] __alloc_skb+0x5c/0x510 [ 38.206913] kobject_uevent_env+0x882/0xf30 [ 38.211222] loop_clr_fd+0x59f/0xc20 [ 38.214920] lo_ioctl+0x895/0x1cd0 [ 38.218449] ? kasan_slab_free+0x12d/0x1a0 [ 38.222671] ? loop_set_status64+0xe0/0xe0 [ 38.226897] blkdev_ioctl+0x540/0x1830 [ 38.230791] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.236133] ? blkpg_ioctl+0x8d0/0x8d0 [ 38.240011] ? lock_downgrade+0x740/0x740 [ 38.244150] ? debug_check_no_obj_freed+0x2c0/0x680 [ 38.249154] ? lock_acquire+0x170/0x3f0 [ 38.253111] block_ioctl+0xd9/0x120 [ 38.256726] ? blkdev_fallocate+0x3a0/0x3a0 [ 38.261027] do_vfs_ioctl+0x75a/0xff0 [ 38.264815] ? debug_check_no_obj_freed+0x2c0/0x680 [ 38.269823] ? ioctl_preallocate+0x1a0/0x1a0 [ 38.274216] ? debug_object_activate+0x490/0x490 [ 38.278973] ? kfree+0x14a/0x250 [ 38.282333] ? SyS_mount+0xcc/0x120 [ 38.285963] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 38.290956] ? security_file_ioctl+0x83/0xb0 [ 38.295343] SyS_ioctl+0x7f/0xb0 [ 38.298688] ? do_vfs_ioctl+0xff0/0xff0 [ 38.302640] do_syscall_64+0x1d5/0x640 [ 38.306511] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.311678] RIP: 0033:0x7f1555a8ab77 [ 38.315365] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.323051] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 38.330295] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 38.337540] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 [ 38.344785] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 38.352033] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 0000000000000010 [ 38.381898] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 38.391497] FAULT_INJECTION: forcing a failure. [ 38.391497] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 38.404552] CPU: 0 PID: 8318 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 38.412422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.421759] Call Trace: [ 38.424338] dump_stack+0x1b2/0x281 [ 38.427964] should_fail.cold+0x10a/0x149 [ 38.432099] __alloc_pages_nodemask+0x22c/0x2720 [ 38.436838] ? __lock_acquire+0x5fc/0x3f20 [ 38.441096] ? trace_hardirqs_on+0x10/0x10 [ 38.445308] ? __lock_acquire+0x5fc/0x3f20 [ 38.449523] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 38.454349] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 38.459777] ? _find_next_bit+0xdb/0x100 [ 38.463880] ? check_preemption_disabled+0x35/0x240 [ 38.468883] ? __lock_acquire+0x5fc/0x3f20 [ 38.473099] alloc_pages_vma+0xd2/0x6d0 [ 38.477050] wp_page_copy+0x1f5/0x25c0 [ 38.480917] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 38.485387] ? __lock_acquire+0x5fc/0x3f20 [ 38.489599] do_wp_page+0x245/0x1db0 [ 38.493289] ? __handle_mm_fault+0x129c/0x4620 [ 38.497856] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 38.502516] __handle_mm_fault+0x234f/0x4620 [ 38.506908] ? vm_insert_page+0x7c0/0x7c0 [ 38.511057] ? lock_acquire+0x170/0x3f0 [ 38.515012] ? mark_held_locks+0xa6/0xf0 [ 38.519052] handle_mm_fault+0x455/0x9c0 [ 38.523107] __do_page_fault+0x549/0xad0 [ 38.527157] ? spurious_fault+0x640/0x640 executing program [ 38.531283] ? do_page_fault+0x60/0x500 [ 38.535236] ? page_fault+0x2f/0x50 [ 38.538839] page_fault+0x45/0x50 [ 38.542272] RIP: 0001:0x7f1555b09ce0 [ 38.545961] RSP: 0001:00007ffda98e2630 EFLAGS: 00000000 [ 38.553558] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 38.579604] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 38.624455] FAULT_INJECTION: forcing a failure. [ 38.624455] name failslab, interval 1, probability 0, space 0, times 0 [ 38.635947] CPU: 0 PID: 8323 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 38.643819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.653151] Call Trace: [ 38.655719] dump_stack+0x1b2/0x281 [ 38.659340] should_fail.cold+0x10a/0x149 [ 38.663465] should_failslab+0xd6/0x130 [ 38.667416] kmem_cache_alloc_node_trace+0x25a/0x400 [ 38.672500] __kmalloc_node_track_caller+0x38/0x70 [ 38.677405] __alloc_skb+0x96/0x510 [ 38.681012] kobject_uevent_env+0x882/0xf30 [ 38.685312] loop_clr_fd+0x59f/0xc20 [ 38.689018] lo_ioctl+0x895/0x1cd0 [ 38.692543] ? kasan_slab_free+0x12d/0x1a0 [ 38.696755] ? loop_set_status64+0xe0/0xe0 [ 38.700979] blkdev_ioctl+0x540/0x1830 [ 38.704849] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.710205] ? blkpg_ioctl+0x8d0/0x8d0 [ 38.714067] ? lock_downgrade+0x740/0x740 [ 38.718195] ? debug_check_no_obj_freed+0x2c0/0x680 [ 38.723189] ? lock_acquire+0x170/0x3f0 [ 38.727141] block_ioctl+0xd9/0x120 [ 38.730744] ? blkdev_fallocate+0x3a0/0x3a0 [ 38.735054] do_vfs_ioctl+0x75a/0xff0 [ 38.738833] ? debug_check_no_obj_freed+0x2c0/0x680 [ 38.743828] ? ioctl_preallocate+0x1a0/0x1a0 [ 38.748233] ? debug_object_activate+0x490/0x490 [ 38.752968] ? kfree+0x14a/0x250 [ 38.756326] ? SyS_mount+0xcc/0x120 [ 38.759930] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 38.764937] ? security_file_ioctl+0x83/0xb0 [ 38.769321] SyS_ioctl+0x7f/0xb0 [ 38.772668] ? do_vfs_ioctl+0xff0/0xff0 [ 38.776622] do_syscall_64+0x1d5/0x640 [ 38.780504] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.785668] RIP: 0033:0x7f1555a8ab77 [ 38.789366] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.797143] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 38.804389] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 38.811657] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 executing program [ 38.818903] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 [ 38.826152] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 0000000000000012 [ 38.865198] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 38.915597] FAULT_INJECTION: forcing a failure. [ 38.915597] name failslab, interval 1, probability 0, space 0, times 0 [ 38.926845] CPU: 0 PID: 8330 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 38.934718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.944048] Call Trace: [ 38.946621] dump_stack+0x1b2/0x281 [ 38.950255] should_fail.cold+0x10a/0x149 [ 38.954385] should_failslab+0xd6/0x130 [ 38.958339] kmem_cache_alloc_node+0x263/0x410 [ 38.962898] __alloc_skb+0x5c/0x510 [ 38.966505] kobject_uevent_env+0x882/0xf30 [ 38.970810] loop_clr_fd+0x59f/0xc20 [ 38.974522] lo_ioctl+0x895/0x1cd0 [ 38.978048] ? kasan_slab_free+0x12d/0x1a0 [ 38.982264] ? loop_set_status64+0xe0/0xe0 [ 38.986480] blkdev_ioctl+0x540/0x1830 [ 38.990346] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.995686] ? blkpg_ioctl+0x8d0/0x8d0 [ 38.999691] ? lock_downgrade+0x740/0x740 [ 39.003840] ? debug_check_no_obj_freed+0x2c0/0x680 [ 39.008836] ? lock_acquire+0x170/0x3f0 [ 39.012792] block_ioctl+0xd9/0x120 [ 39.016405] ? blkdev_fallocate+0x3a0/0x3a0 [ 39.020790] do_vfs_ioctl+0x75a/0xff0 [ 39.024567] ? debug_check_no_obj_freed+0x2c0/0x680 [ 39.029587] ? ioctl_preallocate+0x1a0/0x1a0 [ 39.033972] ? debug_object_activate+0x490/0x490 [ 39.038718] ? kfree+0x14a/0x250 [ 39.042076] ? SyS_mount+0xcc/0x120 [ 39.045680] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 39.050673] ? security_file_ioctl+0x83/0xb0 [ 39.055056] SyS_ioctl+0x7f/0xb0 [ 39.058396] ? do_vfs_ioctl+0xff0/0xff0 [ 39.062359] do_syscall_64+0x1d5/0x640 [ 39.066225] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.071390] RIP: 0033:0x7f1555a8ab77 [ 39.075077] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.082764] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 39.090029] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 39.097276] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 [ 39.104524] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 39.111787] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 0000000000000013 [ 39.147504] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 39.184806] FAULT_INJECTION: forcing a failure. [ 39.184806] name failslab, interval 1, probability 0, space 0, times 0 [ 39.196293] CPU: 1 PID: 8337 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 39.204168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.213541] Call Trace: [ 39.216117] dump_stack+0x1b2/0x281 [ 39.219725] should_fail.cold+0x10a/0x149 [ 39.223854] should_failslab+0xd6/0x130 [ 39.227817] kmem_cache_alloc_node_trace+0x25a/0x400 [ 39.232899] __kmalloc_node_track_caller+0x38/0x70 [ 39.237813] __alloc_skb+0x96/0x510 [ 39.241433] kobject_uevent_env+0x882/0xf30 [ 39.245761] loop_clr_fd+0x59f/0xc20 [ 39.249456] lo_ioctl+0x895/0x1cd0 [ 39.252991] ? kasan_slab_free+0x12d/0x1a0 [ 39.257201] ? loop_set_status64+0xe0/0xe0 [ 39.261415] blkdev_ioctl+0x540/0x1830 [ 39.265281] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.270636] ? blkpg_ioctl+0x8d0/0x8d0 [ 39.274516] ? lock_downgrade+0x740/0x740 [ 39.278662] ? debug_check_no_obj_freed+0x2c0/0x680 [ 39.283744] ? lock_acquire+0x170/0x3f0 [ 39.287697] block_ioctl+0xd9/0x120 [ 39.291310] ? blkdev_fallocate+0x3a0/0x3a0 [ 39.295630] do_vfs_ioctl+0x75a/0xff0 [ 39.299415] ? debug_check_no_obj_freed+0x2c0/0x680 [ 39.304416] ? ioctl_preallocate+0x1a0/0x1a0 [ 39.308915] ? debug_object_activate+0x490/0x490 [ 39.313659] ? kfree+0x14a/0x250 [ 39.317004] ? SyS_mount+0xcc/0x120 [ 39.320609] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 39.325627] ? security_file_ioctl+0x83/0xb0 [ 39.330104] SyS_ioctl+0x7f/0xb0 [ 39.333463] ? do_vfs_ioctl+0xff0/0xff0 [ 39.337416] do_syscall_64+0x1d5/0x640 [ 39.341286] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 39.346452] RIP: 0033:0x7f1555a8ab77 [ 39.350146] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.357833] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 39.365077] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 39.372331] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 [ 39.379586] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 [ 39.386843] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 0000000000000014 [ 39.421846] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 39.444358] FAULT_INJECTION: forcing a failure. [ 39.444358] name failslab, interval 1, probability 0, space 0, times 0 [ 39.455744] CPU: 1 PID: 8346 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 39.463618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.472954] Call Trace: [ 39.475522] dump_stack+0x1b2/0x281 [ 39.479129] should_fail.cold+0x10a/0x149 [ 39.483255] should_failslab+0xd6/0x130 [ 39.487207] __kmalloc+0x2c1/0x400 [ 39.490725] ? kobject_get_path+0xb5/0x230 [ 39.494937] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 39.500374] kobject_get_path+0xb5/0x230 [ 39.504432] kobject_uevent_env+0x230/0xf30 [ 39.508739] loop_clr_fd+0x59f/0xc20 [ 39.512429] lo_ioctl+0x895/0x1cd0 [ 39.515946] ? kasan_slab_free+0x12d/0x1a0 [ 39.520156] ? loop_set_status64+0xe0/0xe0 [ 39.524367] blkdev_ioctl+0x540/0x1830 [ 39.528229] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.533568] ? blkpg_ioctl+0x8d0/0x8d0 [ 39.537434] ? lock_downgrade+0x740/0x740 [ 39.541560] ? debug_check_no_obj_freed+0x2c0/0x680 [ 39.546562] ? lock_acquire+0x170/0x3f0 [ 39.550526] block_ioctl+0xd9/0x120 [ 39.554134] ? blkdev_fallocate+0x3a0/0x3a0 [ 39.558436] do_vfs_ioctl+0x75a/0xff0 [ 39.562216] ? debug_check_no_obj_freed+0x2c0/0x680 [ 39.567209] ? ioctl_preallocate+0x1a0/0x1a0 [ 39.571615] ? debug_object_activate+0x490/0x490 [ 39.576350] ? kfree+0x14a/0x250 [ 39.579705] ? SyS_mount+0xcc/0x120 [ 39.583319] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 39.588312] ? security_file_ioctl+0x83/0xb0 [ 39.592694] SyS_ioctl+0x7f/0xb0 [ 39.596043] ? do_vfs_ioctl+0xff0/0xff0 [ 39.599991] do_syscall_64+0x1d5/0x640 [ 39.603878] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.609041] RIP: 0033:0x7f1555a8ab77 [ 39.612726] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 39.620407] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 39.627651] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 39.634905] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 [ 39.642148] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 [ 39.649394] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 0000000000000015 [ 39.667843] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 39.713839] FAULT_INJECTION: forcing a failure. [ 39.713839] name failslab, interval 1, probability 0, space 0, times 0 [ 39.725799] CPU: 1 PID: 8350 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 39.733683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.743030] Call Trace: [ 39.745597] dump_stack+0x1b2/0x281 [ 39.749203] should_fail.cold+0x10a/0x149 [ 39.753338] should_failslab+0xd6/0x130 [ 39.757292] kmem_cache_alloc_trace+0x29a/0x3d0 [ 39.761937] ? kobj_ns_drop+0x80/0x80 [ 39.765715] call_usermodehelper_setup+0x73/0x2e0 [ 39.770543] kobject_uevent_env+0xc21/0xf30 [ 39.774875] loop_clr_fd+0x59f/0xc20 [ 39.778573] lo_ioctl+0x895/0x1cd0 [ 39.782090] ? kasan_slab_free+0x12d/0x1a0 [ 39.786298] ? loop_set_status64+0xe0/0xe0 [ 39.790520] blkdev_ioctl+0x540/0x1830 [ 39.794383] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.799731] ? blkpg_ioctl+0x8d0/0x8d0 [ 39.803602] ? lock_downgrade+0x740/0x740 [ 39.807728] ? debug_check_no_obj_freed+0x2c0/0x680 [ 39.812726] ? lock_acquire+0x170/0x3f0 [ 39.816679] block_ioctl+0xd9/0x120 [ 39.820292] ? blkdev_fallocate+0x3a0/0x3a0 [ 39.824595] do_vfs_ioctl+0x75a/0xff0 [ 39.828376] ? debug_check_no_obj_freed+0x2c0/0x680 [ 39.833381] ? ioctl_preallocate+0x1a0/0x1a0 [ 39.837774] ? debug_object_activate+0x490/0x490 [ 39.842509] ? kfree+0x14a/0x250 [ 39.845868] ? SyS_mount+0xcc/0x120 [ 39.849477] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 39.854469] ? security_file_ioctl+0x83/0xb0 [ 39.858855] SyS_ioctl+0x7f/0xb0 [ 39.862200] ? do_vfs_ioctl+0xff0/0xff0 [ 39.866169] do_syscall_64+0x1d5/0x640 [ 39.870034] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.875211] RIP: 0033:0x7f1555a8ab77 [ 39.878897] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.886579] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 39.893826] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 39.901074] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 executing program [ 39.908317] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 [ 39.915600] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 0000000000000016 [ 39.949408] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 39.993461] FAULT_INJECTION: forcing a failure. [ 39.993461] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 40.005260] CPU: 0 PID: 8359 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 40.013111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.022446] Call Trace: [ 40.025010] dump_stack+0x1b2/0x281 [ 40.028617] should_fail.cold+0x10a/0x149 [ 40.032744] __alloc_pages_nodemask+0x22c/0x2720 [ 40.037478] ? __lock_acquire+0x5fc/0x3f20 [ 40.041690] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 40.046515] ? __mutex_lock+0x360/0x1310 [ 40.050584] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 40.056025] ? __mutex_unlock_slowpath+0x75/0x770 [ 40.060854] cache_grow_begin+0x91/0x700 [ 40.064891] ? fs_reclaim_release+0xd0/0x110 [ 40.069273] ? check_preemption_disabled+0x35/0x240 [ 40.074280] cache_alloc_refill+0x273/0x350 [ 40.078579] kmem_cache_alloc_trace+0x340/0x3d0 [ 40.083234] ? dev_uevent_filter+0xd0/0xd0 [ 40.087442] kobject_uevent_env+0x20c/0xf30 [ 40.091742] loop_clr_fd+0x59f/0xc20 [ 40.095432] lo_ioctl+0x895/0x1cd0 [ 40.098948] ? kasan_slab_free+0x12d/0x1a0 [ 40.103155] ? loop_set_status64+0xe0/0xe0 [ 40.107380] blkdev_ioctl+0x540/0x1830 [ 40.111249] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.116688] ? blkpg_ioctl+0x8d0/0x8d0 [ 40.120553] ? lock_downgrade+0x740/0x740 [ 40.124681] ? debug_check_no_obj_freed+0x2c0/0x680 [ 40.129672] ? lock_acquire+0x170/0x3f0 [ 40.133621] block_ioctl+0xd9/0x120 [ 40.137236] ? blkdev_fallocate+0x3a0/0x3a0 [ 40.141542] do_vfs_ioctl+0x75a/0xff0 [ 40.145323] ? debug_check_no_obj_freed+0x2c0/0x680 [ 40.150320] ? ioctl_preallocate+0x1a0/0x1a0 [ 40.154706] ? debug_object_activate+0x490/0x490 [ 40.159436] ? kfree+0x14a/0x250 [ 40.162776] ? SyS_mount+0xcc/0x120 [ 40.166378] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 40.171369] ? security_file_ioctl+0x83/0xb0 [ 40.175753] SyS_ioctl+0x7f/0xb0 [ 40.179100] ? do_vfs_ioctl+0xff0/0xff0 [ 40.183048] do_syscall_64+0x1d5/0x640 [ 40.186911] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 40.192073] RIP: 0033:0x7f1555a8ab77 [ 40.195756] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.203438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 40.210690] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 40.217939] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 [ 40.225182] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 [ 40.232426] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 0000000000000017 executing program [ 40.255431] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value executing program [ 40.323834] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 40.332432] FAULT_INJECTION: forcing a failure. [ 40.332432] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 40.344944] CPU: 1 PID: 8372 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 40.352811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.362144] Call Trace: [ 40.364799] dump_stack+0x1b2/0x281 [ 40.368425] should_fail.cold+0x10a/0x149 [ 40.372551] __alloc_pages_nodemask+0x22c/0x2720 [ 40.377291] ? __lock_acquire+0x5fc/0x3f20 [ 40.381682] ? trace_hardirqs_on+0x10/0x10 [ 40.385907] ? __lock_acquire+0x5fc/0x3f20 [ 40.390118] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 40.394950] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 40.400386] ? _find_next_bit+0xdb/0x100 [ 40.404443] ? check_preemption_disabled+0x35/0x240 [ 40.409436] ? __lock_acquire+0x5fc/0x3f20 [ 40.413648] alloc_pages_vma+0xd2/0x6d0 [ 40.417601] wp_page_copy+0x1f5/0x25c0 [ 40.421467] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 40.425936] ? __lock_acquire+0x5fc/0x3f20 [ 40.430145] do_wp_page+0x245/0x1db0 [ 40.433848] ? __handle_mm_fault+0x129c/0x4620 [ 40.438404] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 40.443048] __handle_mm_fault+0x234f/0x4620 [ 40.447476] ? vm_insert_page+0x7c0/0x7c0 [ 40.451602] ? lock_acquire+0x170/0x3f0 [ 40.455678] ? mark_held_locks+0xa6/0xf0 [ 40.459721] handle_mm_fault+0x455/0x9c0 [ 40.464030] __do_page_fault+0x549/0xad0 [ 40.468072] ? spurious_fault+0x640/0x640 executing program [ 40.472195] ? do_page_fault+0x60/0x500 [ 40.476162] ? page_fault+0x2f/0x50 [ 40.479764] page_fault+0x45/0x50 [ 40.483194] RIP: 0001:0x7f1555b09ce0 [ 40.486897] RSP: 0001:00007ffda98e2630 EFLAGS: 00000000 [ 40.488721] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 40.516726] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 40.564251] FAULT_INJECTION: forcing a failure. [ 40.564251] name failslab, interval 1, probability 0, space 0, times 0 [ 40.575499] CPU: 0 PID: 8377 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 40.583366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.592698] Call Trace: [ 40.595268] dump_stack+0x1b2/0x281 [ 40.598878] should_fail.cold+0x10a/0x149 [ 40.603183] should_failslab+0xd6/0x130 [ 40.607150] kmem_cache_alloc_trace+0x29a/0x3d0 [ 40.611796] ? dev_uevent_filter+0xd0/0xd0 [ 40.616009] kobject_uevent_env+0x20c/0xf30 [ 40.620309] loop_clr_fd+0x59f/0xc20 [ 40.624000] lo_ioctl+0x895/0x1cd0 [ 40.627525] ? kasan_slab_free+0x12d/0x1a0 [ 40.631736] ? loop_set_status64+0xe0/0xe0 [ 40.635951] blkdev_ioctl+0x540/0x1830 [ 40.639816] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.645156] ? blkpg_ioctl+0x8d0/0x8d0 [ 40.649016] ? lock_downgrade+0x740/0x740 [ 40.653148] ? debug_check_no_obj_freed+0x2c0/0x680 [ 40.658144] ? lock_acquire+0x170/0x3f0 [ 40.662091] block_ioctl+0xd9/0x120 [ 40.665698] ? blkdev_fallocate+0x3a0/0x3a0 [ 40.669993] do_vfs_ioctl+0x75a/0xff0 [ 40.673799] ? debug_check_no_obj_freed+0x2c0/0x680 [ 40.678788] ? ioctl_preallocate+0x1a0/0x1a0 [ 40.683184] ? debug_object_activate+0x490/0x490 [ 40.687914] ? kfree+0x14a/0x250 [ 40.691253] ? SyS_mount+0xcc/0x120 [ 40.694861] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 40.699864] ? security_file_ioctl+0x83/0xb0 [ 40.704247] SyS_ioctl+0x7f/0xb0 [ 40.707609] ? do_vfs_ioctl+0xff0/0xff0 [ 40.711560] do_syscall_64+0x1d5/0x640 [ 40.715424] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.720587] RIP: 0033:0x7f1555a8ab77 [ 40.724273] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.731960] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 40.739203] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 40.746445] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 [ 40.753691] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 40.760935] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 000000000000001b [ 40.793160] FAULT_INJECTION: forcing a failure. [ 40.793160] name failslab, interval 1, probability 0, space 0, times 0 [ 40.808947] CPU: 1 PID: 8382 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 40.816830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.826167] Call Trace: [ 40.828742] dump_stack+0x1b2/0x281 [ 40.832361] should_fail.cold+0x10a/0x149 [ 40.836489] should_failslab+0xd6/0x130 [ 40.840582] kmem_cache_alloc_trace+0x29a/0x3d0 [ 40.845229] befs_fill_super+0x9c/0xed0 [ 40.849177] ? pointer+0x9e0/0x9e0 [ 40.852693] ? befs_iget+0x23b0/0x23b0 [ 40.856607] ? vsprintf+0x30/0x30 [ 40.860040] ? ns_test_super+0x50/0x50 [ 40.863901] ? set_blocksize+0x125/0x380 [ 40.867946] mount_bdev+0x2b3/0x360 [ 40.871551] ? befs_iget+0x23b0/0x23b0 [ 40.875415] mount_fs+0x92/0x2a0 [ 40.878762] vfs_kern_mount.part.0+0x5b/0x470 [ 40.883237] do_mount+0xe65/0x2a30 [ 40.886760] ? retint_kernel+0x2d/0x2d [ 40.890629] ? copy_mount_string+0x40/0x40 [ 40.894843] ? memset+0x20/0x40 [ 40.898098] ? copy_mount_options+0x1fa/0x2f0 [ 40.902575] ? copy_mnt_ns+0xa30/0xa30 [ 40.906440] SyS_mount+0xa8/0x120 [ 40.909873] ? copy_mnt_ns+0xa30/0xa30 [ 40.913736] do_syscall_64+0x1d5/0x640 [ 40.917600] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.922761] RIP: 0033:0x7f1555a8c15a [ 40.926544] RSP: 002b:00007ffda98e2528 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 40.934227] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8c15a executing program [ 40.941470] RDX: 0000000020003b80 RSI: 0000000020003bc0 RDI: 00007ffda98e2530 [ 40.948711] RBP: 00007ffda98e2530 R08: 00007ffda98e2570 R09: 0000000000000000 [ 40.955974] R10: 0000000000008000 R11: 0000000000000282 R12: 0000000000000005 [ 40.963220] R13: 0000000000008000 R14: 00007ffda98e2570 R15: 000000000000001c [ 41.021788] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 41.030626] FAULT_INJECTION: forcing a failure. [ 41.030626] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 41.043746] CPU: 0 PID: 8389 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 41.051617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.060953] Call Trace: [ 41.063535] dump_stack+0x1b2/0x281 [ 41.067148] should_fail.cold+0x10a/0x149 [ 41.071361] __alloc_pages_nodemask+0x22c/0x2720 [ 41.076099] ? unwind_next_frame+0xe54/0x17d0 [ 41.080571] ? __lock_acquire+0x5fc/0x3f20 [ 41.084790] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 41.089621] ? __lock_acquire+0x5fc/0x3f20 [ 41.093843] alloc_pages_vma+0xd2/0x6d0 [ 41.097799] wp_page_copy+0x1f5/0x25c0 [ 41.101677] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 41.106154] ? __lock_acquire+0x5fc/0x3f20 [ 41.110493] do_wp_page+0x245/0x1db0 [ 41.114199] ? __handle_mm_fault+0x129c/0x4620 [ 41.118773] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 41.123424] __handle_mm_fault+0x234f/0x4620 [ 41.127826] ? vm_insert_page+0x7c0/0x7c0 [ 41.131963] ? lock_acquire+0x170/0x3f0 [ 41.136010] ? mark_held_locks+0xa6/0xf0 [ 41.140050] handle_mm_fault+0x455/0x9c0 [ 41.144101] __do_page_fault+0x549/0xad0 [ 41.148142] ? spurious_fault+0x640/0x640 [ 41.152269] ? do_page_fault+0x60/0x500 [ 41.156228] ? page_fault+0x2f/0x50 [ 41.159828] page_fault+0x45/0x50 [ 41.163257] RIP: 0001:0x7ffda98e26f0 executing program [ 41.166945] RSP: 55b04f08:0000000000000000 EFLAGS: 00000000 [ 41.168917] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 41.191586] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 41.234171] FAULT_INJECTION: forcing a failure. [ 41.234171] name failslab, interval 1, probability 0, space 0, times 0 [ 41.245601] CPU: 1 PID: 8395 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 41.253473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.262815] Call Trace: [ 41.265395] dump_stack+0x1b2/0x281 [ 41.269010] should_fail.cold+0x10a/0x149 [ 41.273141] should_failslab+0xd6/0x130 [ 41.277092] kmem_cache_alloc_node+0x263/0x410 [ 41.281649] __alloc_skb+0x5c/0x510 [ 41.285257] kobject_uevent_env+0x882/0xf30 [ 41.289565] loop_clr_fd+0x59f/0xc20 [ 41.293257] lo_ioctl+0x895/0x1cd0 [ 41.296776] ? kasan_slab_free+0x12d/0x1a0 [ 41.300983] ? loop_set_status64+0xe0/0xe0 [ 41.305193] blkdev_ioctl+0x540/0x1830 [ 41.309059] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.314574] ? blkpg_ioctl+0x8d0/0x8d0 [ 41.318434] ? lock_downgrade+0x740/0x740 [ 41.322559] ? debug_check_no_obj_freed+0x2c0/0x680 [ 41.327569] ? lock_acquire+0x170/0x3f0 [ 41.331517] block_ioctl+0xd9/0x120 [ 41.335131] ? blkdev_fallocate+0x3a0/0x3a0 [ 41.339428] do_vfs_ioctl+0x75a/0xff0 [ 41.343201] ? debug_check_no_obj_freed+0x2c0/0x680 [ 41.348202] ? ioctl_preallocate+0x1a0/0x1a0 [ 41.352607] ? debug_object_activate+0x490/0x490 [ 41.357349] ? kfree+0x14a/0x250 [ 41.360706] ? SyS_mount+0xcc/0x120 [ 41.364328] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 41.369340] ? security_file_ioctl+0x83/0xb0 [ 41.373726] SyS_ioctl+0x7f/0xb0 [ 41.377067] ? do_vfs_ioctl+0xff0/0xff0 [ 41.381018] do_syscall_64+0x1d5/0x640 [ 41.384885] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.390054] RIP: 0033:0x7f1555a8ab77 [ 41.393748] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.401436] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 41.408682] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 41.415928] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 [ 41.423178] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 41.430424] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 000000000000001e [ 41.454764] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 41.466767] FAULT_INJECTION: forcing a failure. [ 41.466767] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 41.479540] CPU: 1 PID: 8400 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 41.487405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.496735] Call Trace: [ 41.499304] dump_stack+0x1b2/0x281 [ 41.502907] should_fail.cold+0x10a/0x149 [ 41.507045] __alloc_pages_nodemask+0x22c/0x2720 [ 41.511781] ? __lock_acquire+0x5fc/0x3f20 [ 41.515993] ? trace_hardirqs_on+0x10/0x10 [ 41.520204] ? trace_hardirqs_on+0x10/0x10 [ 41.524416] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 41.529232] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 41.534656] ? _find_next_bit+0xdb/0x100 [ 41.538693] ? check_preemption_disabled+0x35/0x240 [ 41.543684] ? __lock_acquire+0x5fc/0x3f20 [ 41.547895] alloc_pages_vma+0xd2/0x6d0 [ 41.551845] wp_page_copy+0x1f5/0x25c0 [ 41.555709] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 41.560188] ? __lock_acquire+0x5fc/0x3f20 [ 41.564397] do_wp_page+0x245/0x1db0 [ 41.568085] ? __handle_mm_fault+0x129c/0x4620 [ 41.572641] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 41.577288] __handle_mm_fault+0x234f/0x4620 [ 41.581671] ? vm_insert_page+0x7c0/0x7c0 executing program [ 41.585794] ? lock_acquire+0x170/0x3f0 [ 41.589746] ? mark_held_locks+0xa6/0xf0 [ 41.593789] handle_mm_fault+0x455/0x9c0 [ 41.597835] __do_page_fault+0x549/0xad0 [ 41.601887] ? spurious_fault+0x640/0x640 [ 41.606014] ? do_page_fault+0x60/0x500 [ 41.609960] ? page_fault+0x2f/0x50 [ 41.613573] page_fault+0x45/0x50 [ 41.617015] RIP: 0000: (null) [ 41.620871] RSP: 56485300:0000000000000000 EFLAGS: 7f1555b071b0 [ 41.621704] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 41.645575] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 41.673554] FAULT_INJECTION: forcing a failure. [ 41.673554] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 41.685355] CPU: 0 PID: 8407 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 41.693213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.702566] Call Trace: [ 41.705145] dump_stack+0x1b2/0x281 [ 41.708750] should_fail.cold+0x10a/0x149 [ 41.712881] __alloc_pages_nodemask+0x22c/0x2720 [ 41.717624] ? __lock_acquire+0x5fc/0x3f20 [ 41.721835] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 41.726674] ? __mutex_lock+0x360/0x1310 [ 41.730738] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 41.736170] ? __mutex_unlock_slowpath+0x75/0x770 [ 41.740993] cache_grow_begin+0x91/0x700 [ 41.745038] ? fs_reclaim_release+0xd0/0x110 [ 41.749430] ? check_preemption_disabled+0x35/0x240 [ 41.754432] cache_alloc_refill+0x273/0x350 [ 41.758735] kmem_cache_alloc_trace+0x340/0x3d0 [ 41.763392] ? dev_uevent_filter+0xd0/0xd0 [ 41.767607] kobject_uevent_env+0x20c/0xf30 [ 41.771915] loop_clr_fd+0x59f/0xc20 [ 41.775607] lo_ioctl+0x895/0x1cd0 [ 41.779124] ? kasan_slab_free+0x12d/0x1a0 [ 41.783350] ? loop_set_status64+0xe0/0xe0 [ 41.787576] blkdev_ioctl+0x540/0x1830 [ 41.791439] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.796791] ? blkpg_ioctl+0x8d0/0x8d0 [ 41.800651] ? lock_downgrade+0x740/0x740 [ 41.804774] ? debug_check_no_obj_freed+0x2c0/0x680 [ 41.809764] ? lock_acquire+0x170/0x3f0 [ 41.813716] block_ioctl+0xd9/0x120 [ 41.817316] ? blkdev_fallocate+0x3a0/0x3a0 [ 41.821613] do_vfs_ioctl+0x75a/0xff0 [ 41.825387] ? debug_check_no_obj_freed+0x2c0/0x680 [ 41.830401] ? ioctl_preallocate+0x1a0/0x1a0 [ 41.834784] ? debug_object_activate+0x490/0x490 [ 41.839514] ? kfree+0x14a/0x250 [ 41.842859] ? SyS_mount+0xcc/0x120 [ 41.846467] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 41.851457] ? security_file_ioctl+0x83/0xb0 [ 41.855841] SyS_ioctl+0x7f/0xb0 [ 41.859186] ? do_vfs_ioctl+0xff0/0xff0 [ 41.863135] do_syscall_64+0x1d5/0x640 [ 41.867004] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.872166] RIP: 0033:0x7f1555a8ab77 [ 41.875868] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.883551] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 executing program [ 41.890808] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 41.898052] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 [ 41.905295] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 [ 41.912536] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 0000000000000020 [ 41.948442] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 41.972806] FAULT_INJECTION: forcing a failure. [ 41.972806] name failslab, interval 1, probability 0, space 0, times 0 [ 41.984918] CPU: 0 PID: 8412 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 41.992781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.002120] Call Trace: [ 42.004693] dump_stack+0x1b2/0x281 [ 42.008300] should_fail.cold+0x10a/0x149 [ 42.012440] should_failslab+0xd6/0x130 [ 42.016396] kmem_cache_alloc_trace+0x29a/0x3d0 [ 42.021127] ? dev_uevent_filter+0xd0/0xd0 [ 42.025346] kobject_uevent_env+0x20c/0xf30 [ 42.029652] loop_clr_fd+0x59f/0xc20 [ 42.033346] lo_ioctl+0x895/0x1cd0 [ 42.036976] ? kasan_slab_free+0x12d/0x1a0 [ 42.041208] ? loop_set_status64+0xe0/0xe0 [ 42.045433] blkdev_ioctl+0x540/0x1830 [ 42.049308] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.054650] ? blkpg_ioctl+0x8d0/0x8d0 [ 42.058512] ? lock_downgrade+0x740/0x740 [ 42.062638] ? debug_check_no_obj_freed+0x2c0/0x680 [ 42.067647] ? lock_acquire+0x170/0x3f0 [ 42.071601] block_ioctl+0xd9/0x120 [ 42.075207] ? blkdev_fallocate+0x3a0/0x3a0 [ 42.079510] do_vfs_ioctl+0x75a/0xff0 [ 42.083289] ? debug_check_no_obj_freed+0x2c0/0x680 [ 42.088289] ? ioctl_preallocate+0x1a0/0x1a0 [ 42.092687] ? debug_object_activate+0x490/0x490 [ 42.097446] ? kfree+0x14a/0x250 [ 42.100792] ? SyS_mount+0xcc/0x120 [ 42.104397] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 42.109389] ? security_file_ioctl+0x83/0xb0 [ 42.113774] SyS_ioctl+0x7f/0xb0 [ 42.117112] ? do_vfs_ioctl+0xff0/0xff0 [ 42.121066] do_syscall_64+0x1d5/0x640 [ 42.124931] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.130094] RIP: 0033:0x7f1555a8ab77 [ 42.133778] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.141456] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 executing program [ 42.148720] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 42.155965] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 [ 42.163297] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 [ 42.170543] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 0000000000000021 [ 42.193441] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 42.202104] FAULT_INJECTION: forcing a failure. [ 42.202104] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 42.214717] CPU: 0 PID: 8417 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 42.222686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.232024] Call Trace: [ 42.234637] dump_stack+0x1b2/0x281 [ 42.238259] should_fail.cold+0x10a/0x149 [ 42.242391] __alloc_pages_nodemask+0x22c/0x2720 [ 42.247126] ? __lock_acquire+0x5fc/0x3f20 [ 42.251351] ? trace_hardirqs_on+0x10/0x10 [ 42.255569] ? __lock_acquire+0x5fc/0x3f20 [ 42.259792] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 42.264619] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 42.270051] ? _find_next_bit+0xdb/0x100 [ 42.274094] ? check_preemption_disabled+0x35/0x240 [ 42.279087] ? __lock_acquire+0x5fc/0x3f20 [ 42.283303] alloc_pages_vma+0xd2/0x6d0 [ 42.287268] wp_page_copy+0x1f5/0x25c0 [ 42.291132] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 42.295602] ? __lock_acquire+0x5fc/0x3f20 [ 42.299814] do_wp_page+0x245/0x1db0 [ 42.303501] ? __handle_mm_fault+0x129c/0x4620 [ 42.308054] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 42.312700] __handle_mm_fault+0x234f/0x4620 [ 42.317084] ? vm_insert_page+0x7c0/0x7c0 [ 42.321218] ? lock_acquire+0x170/0x3f0 [ 42.325171] ? mark_held_locks+0xa6/0xf0 [ 42.329209] handle_mm_fault+0x455/0x9c0 [ 42.333247] __do_page_fault+0x549/0xad0 [ 42.337290] ? spurious_fault+0x640/0x640 [ 42.341416] ? do_page_fault+0x60/0x500 [ 42.345363] ? page_fault+0x2f/0x50 executing program [ 42.348963] page_fault+0x45/0x50 [ 42.352391] RIP: 0001:0x7f1555b09ce0 [ 42.356083] RSP: 0001:00007ffda98e2630 EFLAGS: 00000000 [ 42.357330] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 42.383866] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 42.413335] FAULT_INJECTION: forcing a failure. [ 42.413335] name failslab, interval 1, probability 0, space 0, times 0 [ 42.424593] CPU: 0 PID: 8423 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 42.432456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.441787] Call Trace: [ 42.444354] dump_stack+0x1b2/0x281 [ 42.447959] should_fail.cold+0x10a/0x149 [ 42.452084] should_failslab+0xd6/0x130 [ 42.456035] kmem_cache_alloc_node_trace+0x25a/0x400 [ 42.461115] __kmalloc_node_track_caller+0x38/0x70 [ 42.466019] __alloc_skb+0x96/0x510 [ 42.469639] kobject_uevent_env+0x882/0xf30 [ 42.473938] loop_clr_fd+0x59f/0xc20 [ 42.477627] lo_ioctl+0x895/0x1cd0 [ 42.481157] ? kasan_slab_free+0x12d/0x1a0 [ 42.485370] ? loop_set_status64+0xe0/0xe0 [ 42.489582] blkdev_ioctl+0x540/0x1830 [ 42.493442] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.498778] ? blkpg_ioctl+0x8d0/0x8d0 [ 42.502640] ? lock_downgrade+0x740/0x740 [ 42.506762] ? debug_check_no_obj_freed+0x2c0/0x680 [ 42.511754] ? lock_acquire+0x170/0x3f0 [ 42.515706] block_ioctl+0xd9/0x120 [ 42.519310] ? blkdev_fallocate+0x3a0/0x3a0 [ 42.523611] do_vfs_ioctl+0x75a/0xff0 [ 42.527395] ? debug_check_no_obj_freed+0x2c0/0x680 [ 42.532403] ? ioctl_preallocate+0x1a0/0x1a0 [ 42.536791] ? debug_object_activate+0x490/0x490 [ 42.541532] ? kfree+0x14a/0x250 [ 42.544873] ? SyS_mount+0xcc/0x120 [ 42.548596] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 42.553596] ? security_file_ioctl+0x83/0xb0 [ 42.557994] SyS_ioctl+0x7f/0xb0 [ 42.561337] ? do_vfs_ioctl+0xff0/0xff0 [ 42.565300] do_syscall_64+0x1d5/0x640 [ 42.569168] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.574358] RIP: 0033:0x7f1555a8ab77 [ 42.578051] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.585733] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 42.592988] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 42.600238] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 executing program [ 42.607482] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 [ 42.614725] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 0000000000000023 [ 42.646326] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 42.673590] FAULT_INJECTION: forcing a failure. [ 42.673590] name failslab, interval 1, probability 0, space 0, times 0 [ 42.684932] CPU: 0 PID: 8430 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 42.692798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.702124] Call Trace: [ 42.704690] dump_stack+0x1b2/0x281 [ 42.708334] should_fail.cold+0x10a/0x149 [ 42.712461] should_failslab+0xd6/0x130 [ 42.716770] kmem_cache_alloc_node_trace+0x25a/0x400 [ 42.721848] __kmalloc_node_track_caller+0x38/0x70 [ 42.726759] __alloc_skb+0x96/0x510 [ 42.730451] kobject_uevent_env+0x882/0xf30 [ 42.734754] loop_clr_fd+0x59f/0xc20 [ 42.738442] lo_release+0xff/0x190 [ 42.741978] ? loop_clr_fd+0xc20/0xc20 [ 42.745839] __blkdev_put+0x5aa/0x800 [ 42.749704] ? revalidate_disk+0x1f0/0x1f0 [ 42.753915] ? locks_remove_file+0x2cd/0x420 [ 42.758303] ? blkdev_put+0x75/0x4c0 [ 42.761992] ? blkdev_put+0x4c0/0x4c0 [ 42.765766] blkdev_close+0x86/0xb0 [ 42.769370] __fput+0x25f/0x7a0 [ 42.772626] task_work_run+0x11f/0x190 [ 42.776507] exit_to_usermode_loop+0x1ad/0x200 [ 42.781063] do_syscall_64+0x4a3/0x640 [ 42.784934] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.790097] RIP: 0033:0x7f1555a47fe3 [ 42.793782] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 42.801461] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f1555a47fe3 [ 42.808804] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 42.816045] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 executing program [ 42.823288] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 [ 42.830528] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 0000000000000024 [ 42.860448] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 42.912381] FAULT_INJECTION: forcing a failure. [ 42.912381] name failslab, interval 1, probability 0, space 0, times 0 [ 42.923784] CPU: 0 PID: 8436 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 42.931643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.940972] Call Trace: [ 42.943537] dump_stack+0x1b2/0x281 [ 42.947154] should_fail.cold+0x10a/0x149 [ 42.951279] should_failslab+0xd6/0x130 [ 42.955229] kmem_cache_alloc_trace+0x29a/0x3d0 [ 42.959873] ? dev_uevent_filter+0xd0/0xd0 [ 42.964082] kobject_uevent_env+0x20c/0xf30 [ 42.968394] loop_clr_fd+0x59f/0xc20 [ 42.972086] lo_ioctl+0x895/0x1cd0 [ 42.975605] ? kasan_slab_free+0x12d/0x1a0 [ 42.979813] ? loop_set_status64+0xe0/0xe0 [ 42.984026] blkdev_ioctl+0x540/0x1830 [ 42.987886] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.993226] ? blkpg_ioctl+0x8d0/0x8d0 [ 42.997108] ? lock_downgrade+0x740/0x740 [ 43.001230] ? debug_check_no_obj_freed+0x2c0/0x680 [ 43.006262] ? lock_acquire+0x170/0x3f0 [ 43.010219] block_ioctl+0xd9/0x120 [ 43.013819] ? blkdev_fallocate+0x3a0/0x3a0 [ 43.018113] do_vfs_ioctl+0x75a/0xff0 [ 43.021886] ? debug_check_no_obj_freed+0x2c0/0x680 [ 43.026881] ? ioctl_preallocate+0x1a0/0x1a0 [ 43.031268] ? debug_object_activate+0x490/0x490 [ 43.035999] ? kfree+0x14a/0x250 [ 43.039337] ? SyS_mount+0xcc/0x120 [ 43.042955] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 43.047945] ? security_file_ioctl+0x83/0xb0 [ 43.052336] SyS_ioctl+0x7f/0xb0 [ 43.055678] ? do_vfs_ioctl+0xff0/0xff0 [ 43.059627] do_syscall_64+0x1d5/0x640 [ 43.063489] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.068662] RIP: 0033:0x7f1555a8ab77 [ 43.072348] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.080032] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 43.087294] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 43.094540] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 [ 43.101781] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 43.109032] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 0000000000000025 [ 43.136112] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 43.147010] FAULT_INJECTION: forcing a failure. [ 43.147010] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 43.159919] CPU: 0 PID: 8440 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 43.167788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.177113] Call Trace: [ 43.179676] dump_stack+0x1b2/0x281 [ 43.183293] should_fail.cold+0x10a/0x149 [ 43.187420] __alloc_pages_nodemask+0x22c/0x2720 [ 43.192154] ? __lock_acquire+0x5fc/0x3f20 [ 43.196366] ? trace_hardirqs_on+0x10/0x10 [ 43.200586] ? trace_hardirqs_on+0x10/0x10 [ 43.204799] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 43.209614] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 43.215047] ? _find_next_bit+0xdb/0x100 [ 43.219083] ? check_preemption_disabled+0x35/0x240 [ 43.224074] ? __lock_acquire+0x5fc/0x3f20 [ 43.228298] alloc_pages_vma+0xd2/0x6d0 [ 43.232247] wp_page_copy+0x1f5/0x25c0 [ 43.236118] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 43.240585] ? __lock_acquire+0x5fc/0x3f20 [ 43.244802] do_wp_page+0x245/0x1db0 [ 43.248493] ? __handle_mm_fault+0x129c/0x4620 [ 43.253047] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 43.257701] __handle_mm_fault+0x234f/0x4620 [ 43.262085] ? vm_insert_page+0x7c0/0x7c0 [ 43.266219] ? lock_acquire+0x170/0x3f0 [ 43.270186] ? mark_held_locks+0xa6/0xf0 [ 43.274319] handle_mm_fault+0x455/0x9c0 [ 43.278361] __do_page_fault+0x549/0xad0 [ 43.282407] ? spurious_fault+0x640/0x640 executing program [ 43.286540] ? do_page_fault+0x60/0x500 [ 43.290487] ? page_fault+0x2f/0x50 [ 43.294087] page_fault+0x45/0x50 [ 43.297514] RIP: 0000: (null) [ 43.301379] RSP: 56485300:0000000000000000 EFLAGS: 7f1555b071b0 [ 43.309536] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 43.331198] FAULT_INJECTION: forcing a failure. [ 43.331198] name failslab, interval 1, probability 0, space 0, times 0 [ 43.342570] CPU: 0 PID: 8447 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 43.350444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.359790] Call Trace: [ 43.362384] dump_stack+0x1b2/0x281 [ 43.365993] should_fail.cold+0x10a/0x149 [ 43.370130] should_failslab+0xd6/0x130 [ 43.374082] kmem_cache_alloc_trace+0x29a/0x3d0 [ 43.378729] befs_fill_super+0x9c/0xed0 [ 43.382678] ? pointer+0x9e0/0x9e0 [ 43.386208] ? befs_iget+0x23b0/0x23b0 [ 43.390068] ? vsprintf+0x30/0x30 [ 43.393498] ? ns_test_super+0x50/0x50 [ 43.397367] ? set_blocksize+0x125/0x380 [ 43.401415] mount_bdev+0x2b3/0x360 [ 43.405021] ? befs_iget+0x23b0/0x23b0 [ 43.408887] mount_fs+0x92/0x2a0 [ 43.412246] vfs_kern_mount.part.0+0x5b/0x470 [ 43.416720] do_mount+0xe65/0x2a30 [ 43.420257] ? retint_kernel+0x2d/0x2d [ 43.424121] ? copy_mount_string+0x40/0x40 [ 43.428357] ? memset+0x20/0x40 [ 43.431626] ? copy_mount_options+0x1fa/0x2f0 [ 43.436096] ? copy_mnt_ns+0xa30/0xa30 [ 43.439964] SyS_mount+0xa8/0x120 [ 43.443393] ? copy_mnt_ns+0xa30/0xa30 [ 43.447260] do_syscall_64+0x1d5/0x640 [ 43.451131] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.456298] RIP: 0033:0x7f1555a8c15a [ 43.459985] RSP: 002b:00007ffda98e2528 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 43.467686] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8c15a [ 43.474931] RDX: 0000000020003b80 RSI: 0000000020003bc0 RDI: 00007ffda98e2530 [ 43.482178] RBP: 00007ffda98e2530 R08: 00007ffda98e2570 R09: 0000000000000000 [ 43.489421] R10: 0000000000008000 R11: 0000000000000282 R12: 0000000000000005 [ 43.496662] R13: 0000000000008000 R14: 00007ffda98e2570 R15: 0000000000000027 executing program [ 43.571497] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 43.612322] FAULT_INJECTION: forcing a failure. [ 43.612322] name failslab, interval 1, probability 0, space 0, times 0 [ 43.624026] CPU: 1 PID: 8454 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 43.632004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.641343] Call Trace: [ 43.643916] dump_stack+0x1b2/0x281 [ 43.647523] should_fail.cold+0x10a/0x149 [ 43.651648] should_failslab+0xd6/0x130 [ 43.655599] kmem_cache_alloc_node_trace+0x25a/0x400 [ 43.660678] __kmalloc_node_track_caller+0x38/0x70 [ 43.665586] __alloc_skb+0x96/0x510 [ 43.669282] kobject_uevent_env+0x882/0xf30 [ 43.673595] loop_clr_fd+0x59f/0xc20 [ 43.677296] lo_ioctl+0x895/0x1cd0 [ 43.680812] ? kasan_slab_free+0x12d/0x1a0 [ 43.685029] ? loop_set_status64+0xe0/0xe0 [ 43.689261] blkdev_ioctl+0x540/0x1830 [ 43.693127] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.698466] ? blkpg_ioctl+0x8d0/0x8d0 [ 43.702335] ? lock_downgrade+0x740/0x740 [ 43.706464] ? debug_check_no_obj_freed+0x2c0/0x680 [ 43.711457] ? lock_acquire+0x170/0x3f0 [ 43.715410] block_ioctl+0xd9/0x120 [ 43.719010] ? blkdev_fallocate+0x3a0/0x3a0 [ 43.723304] do_vfs_ioctl+0x75a/0xff0 [ 43.727079] ? debug_check_no_obj_freed+0x2c0/0x680 [ 43.732082] ? ioctl_preallocate+0x1a0/0x1a0 [ 43.736469] ? debug_object_activate+0x490/0x490 [ 43.741203] ? kfree+0x14a/0x250 [ 43.744545] ? SyS_mount+0xcc/0x120 [ 43.748149] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 43.753144] ? security_file_ioctl+0x83/0xb0 [ 43.757526] SyS_ioctl+0x7f/0xb0 [ 43.760865] ? do_vfs_ioctl+0xff0/0xff0 [ 43.764823] do_syscall_64+0x1d5/0x640 [ 43.768690] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.773965] RIP: 0033:0x7f1555a8ab77 [ 43.777655] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.785342] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 43.792590] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 43.799846] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 executing program [ 43.807102] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 [ 43.814348] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 0000000000000028 [ 43.847704] FAULT_INJECTION: forcing a failure. [ 43.847704] name failslab, interval 1, probability 0, space 0, times 0 [ 43.860712] CPU: 1 PID: 8460 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 43.868595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.877936] Call Trace: [ 43.880501] dump_stack+0x1b2/0x281 [ 43.884108] should_fail.cold+0x10a/0x149 [ 43.888234] should_failslab+0xd6/0x130 [ 43.892190] __kmalloc+0x2c1/0x400 [ 43.895716] ? __list_lru_init+0x67/0x710 [ 43.899847] __list_lru_init+0x67/0x710 [ 43.903800] sget_userns+0x504/0xc10 [ 43.907488] ? set_bdev_super+0x110/0x110 [ 43.911621] ? ns_test_super+0x50/0x50 [ 43.915497] ? set_bdev_super+0x110/0x110 [ 43.919624] ? ns_test_super+0x50/0x50 [ 43.923491] sget+0xd1/0x110 [ 43.926493] mount_bdev+0xcd/0x360 [ 43.930010] ? befs_iget+0x23b0/0x23b0 [ 43.933873] mount_fs+0x92/0x2a0 [ 43.937241] vfs_kern_mount.part.0+0x5b/0x470 [ 43.941712] do_mount+0xe65/0x2a30 [ 43.945231] ? retint_kernel+0x2d/0x2d [ 43.949091] ? copy_mount_string+0x40/0x40 [ 43.953300] ? memset+0x20/0x40 [ 43.956570] ? copy_mount_options+0x1fa/0x2f0 [ 43.961043] ? copy_mnt_ns+0xa30/0xa30 [ 43.964911] SyS_mount+0xa8/0x120 [ 43.968387] ? copy_mnt_ns+0xa30/0xa30 [ 43.972255] do_syscall_64+0x1d5/0x640 [ 43.976134] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.981299] RIP: 0033:0x7f1555a8c15a [ 43.984995] RSP: 002b:00007ffda98e2528 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 43.992681] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8c15a [ 43.999938] RDX: 0000000020003b80 RSI: 0000000020003bc0 RDI: 00007ffda98e2530 executing program [ 44.007191] RBP: 00007ffda98e2530 R08: 00007ffda98e2570 R09: 0000000000000000 [ 44.014435] R10: 0000000000008000 R11: 0000000000000282 R12: 0000000000000005 [ 44.021677] R13: 0000000000008000 R14: 00007ffda98e2570 R15: 0000000000000029 [ 44.071811] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 44.122186] FAULT_INJECTION: forcing a failure. [ 44.122186] name failslab, interval 1, probability 0, space 0, times 0 [ 44.133483] CPU: 1 PID: 8468 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 44.141348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.150677] Call Trace: [ 44.153244] dump_stack+0x1b2/0x281 [ 44.156855] should_fail.cold+0x10a/0x149 [ 44.160986] should_failslab+0xd6/0x130 [ 44.164940] kmem_cache_alloc_trace+0x29a/0x3d0 [ 44.169613] ? dev_uevent_filter+0xd0/0xd0 [ 44.173936] kobject_uevent_env+0x20c/0xf30 [ 44.178261] loop_clr_fd+0x59f/0xc20 [ 44.181964] lo_ioctl+0x895/0x1cd0 [ 44.185490] ? kasan_slab_free+0x12d/0x1a0 [ 44.189699] ? loop_set_status64+0xe0/0xe0 [ 44.193928] blkdev_ioctl+0x540/0x1830 [ 44.197799] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.203149] ? blkpg_ioctl+0x8d0/0x8d0 [ 44.207015] ? lock_downgrade+0x740/0x740 [ 44.211151] ? debug_check_no_obj_freed+0x2c0/0x680 [ 44.216147] ? lock_acquire+0x170/0x3f0 [ 44.220108] block_ioctl+0xd9/0x120 [ 44.223718] ? blkdev_fallocate+0x3a0/0x3a0 [ 44.228015] do_vfs_ioctl+0x75a/0xff0 [ 44.231802] ? debug_check_no_obj_freed+0x2c0/0x680 [ 44.236797] ? ioctl_preallocate+0x1a0/0x1a0 [ 44.241210] ? debug_object_activate+0x490/0x490 [ 44.245945] ? kfree+0x14a/0x250 [ 44.249286] ? SyS_mount+0xcc/0x120 [ 44.252886] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 44.257874] ? security_file_ioctl+0x83/0xb0 [ 44.262258] SyS_ioctl+0x7f/0xb0 [ 44.265599] ? do_vfs_ioctl+0xff0/0xff0 [ 44.269551] do_syscall_64+0x1d5/0x640 [ 44.273420] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.278587] RIP: 0033:0x7f1555a8ab77 [ 44.282280] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.289977] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 44.297245] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 44.304498] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 [ 44.311746] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 44.319011] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 000000000000002a [ 44.338812] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 44.382826] FAULT_INJECTION: forcing a failure. [ 44.382826] name failslab, interval 1, probability 0, space 0, times 0 [ 44.394584] CPU: 0 PID: 8473 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 44.402562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.411899] Call Trace: [ 44.414466] dump_stack+0x1b2/0x281 [ 44.418070] should_fail.cold+0x10a/0x149 [ 44.422207] should_failslab+0xd6/0x130 [ 44.426173] kmem_cache_alloc_node_trace+0x25a/0x400 [ 44.431261] __kmalloc_node_track_caller+0x38/0x70 [ 44.436182] __alloc_skb+0x96/0x510 [ 44.439788] kobject_uevent_env+0x882/0xf30 [ 44.444087] loop_clr_fd+0x59f/0xc20 [ 44.447784] lo_ioctl+0x895/0x1cd0 [ 44.451306] ? kasan_slab_free+0x12d/0x1a0 [ 44.455518] ? loop_set_status64+0xe0/0xe0 [ 44.459727] blkdev_ioctl+0x540/0x1830 [ 44.463590] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.468930] ? blkpg_ioctl+0x8d0/0x8d0 [ 44.472793] ? lock_downgrade+0x740/0x740 [ 44.476921] ? debug_check_no_obj_freed+0x2c0/0x680 [ 44.481910] ? lock_acquire+0x170/0x3f0 [ 44.485861] block_ioctl+0xd9/0x120 [ 44.489477] ? blkdev_fallocate+0x3a0/0x3a0 [ 44.493782] do_vfs_ioctl+0x75a/0xff0 [ 44.497570] ? debug_check_no_obj_freed+0x2c0/0x680 [ 44.502569] ? ioctl_preallocate+0x1a0/0x1a0 [ 44.506957] ? debug_object_activate+0x490/0x490 [ 44.511695] ? kfree+0x14a/0x250 [ 44.515041] ? SyS_mount+0xcc/0x120 [ 44.518642] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 44.523632] ? security_file_ioctl+0x83/0xb0 [ 44.528014] SyS_ioctl+0x7f/0xb0 [ 44.531353] ? do_vfs_ioctl+0xff0/0xff0 [ 44.535301] do_syscall_64+0x1d5/0x640 [ 44.539164] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.544330] RIP: 0033:0x7f1555a8ab77 [ 44.548013] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.555714] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 44.562960] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 44.570204] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 executing program [ 44.577446] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 [ 44.584687] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 000000000000002b [ 44.608947] FAULT_INJECTION: forcing a failure. [ 44.608947] name failslab, interval 1, probability 0, space 0, times 0 [ 44.626474] CPU: 1 PID: 8481 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 44.634350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.643764] Call Trace: [ 44.646342] dump_stack+0x1b2/0x281 [ 44.649946] should_fail.cold+0x10a/0x149 [ 44.654079] should_failslab+0xd6/0x130 [ 44.658027] kmem_cache_alloc_trace+0x29a/0x3d0 [ 44.662671] befs_fill_super+0x9c/0xed0 [ 44.666619] ? pointer+0x9e0/0x9e0 [ 44.670134] ? befs_iget+0x23b0/0x23b0 [ 44.674009] ? vsprintf+0x30/0x30 [ 44.677437] ? ns_test_super+0x50/0x50 [ 44.681303] ? set_blocksize+0x125/0x380 [ 44.685469] mount_bdev+0x2b3/0x360 [ 44.689073] ? befs_iget+0x23b0/0x23b0 [ 44.692946] mount_fs+0x92/0x2a0 [ 44.696290] vfs_kern_mount.part.0+0x5b/0x470 [ 44.700761] do_mount+0xe65/0x2a30 [ 44.704282] ? retint_kernel+0x2d/0x2d [ 44.708152] ? copy_mount_string+0x40/0x40 [ 44.712364] ? memset+0x20/0x40 [ 44.715631] ? copy_mount_options+0x1fa/0x2f0 [ 44.720144] ? copy_mnt_ns+0xa30/0xa30 [ 44.724027] SyS_mount+0xa8/0x120 [ 44.727457] ? copy_mnt_ns+0xa30/0xa30 [ 44.731320] do_syscall_64+0x1d5/0x640 [ 44.735189] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.740356] RIP: 0033:0x7f1555a8c15a [ 44.744044] RSP: 002b:00007ffda98e2528 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 44.751736] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8c15a [ 44.759241] RDX: 0000000020003b80 RSI: 0000000020003bc0 RDI: 00007ffda98e2530 [ 44.766584] RBP: 00007ffda98e2530 R08: 00007ffda98e2570 R09: 0000000000000000 [ 44.773829] R10: 0000000000008000 R11: 0000000000000282 R12: 0000000000000005 executing program [ 44.781167] R13: 0000000000008000 R14: 00007ffda98e2570 R15: 000000000000002c [ 44.821032] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 44.830286] FAULT_INJECTION: forcing a failure. [ 44.830286] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 44.843121] CPU: 1 PID: 8487 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 44.850985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.860315] Call Trace: [ 44.862882] dump_stack+0x1b2/0x281 [ 44.866485] should_fail.cold+0x10a/0x149 [ 44.870614] __alloc_pages_nodemask+0x22c/0x2720 [ 44.875348] ? __lock_acquire+0x5fc/0x3f20 [ 44.879556] ? trace_hardirqs_on+0x10/0x10 [ 44.883762] ? trace_hardirqs_on+0x10/0x10 [ 44.887971] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 44.892784] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 44.898207] ? _find_next_bit+0xdb/0x100 [ 44.902248] ? check_preemption_disabled+0x35/0x240 [ 44.907239] ? __lock_acquire+0x5fc/0x3f20 [ 44.911451] alloc_pages_vma+0xd2/0x6d0 [ 44.915399] wp_page_copy+0x1f5/0x25c0 [ 44.919328] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 44.923806] ? __lock_acquire+0x5fc/0x3f20 [ 44.928020] do_wp_page+0x245/0x1db0 [ 44.931712] ? __handle_mm_fault+0x129c/0x4620 [ 44.936274] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 44.941899] __handle_mm_fault+0x234f/0x4620 [ 44.946294] ? vm_insert_page+0x7c0/0x7c0 [ 44.950418] ? lock_acquire+0x170/0x3f0 [ 44.954373] ? mark_held_locks+0xa6/0xf0 [ 44.958411] handle_mm_fault+0x455/0x9c0 [ 44.962453] __do_page_fault+0x549/0xad0 [ 44.966498] ? spurious_fault+0x640/0x640 executing program [ 44.970625] ? do_page_fault+0x60/0x500 [ 44.974576] ? page_fault+0x2f/0x50 [ 44.978177] page_fault+0x45/0x50 [ 44.981612] RIP: 0000: (null) [ 44.985476] RSP: 56485300:0000000000000000 EFLAGS: 7f1555b071b0 [ 44.986982] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 45.015896] FAULT_INJECTION: forcing a failure. [ 45.015896] name failslab, interval 1, probability 0, space 0, times 0 [ 45.027376] CPU: 0 PID: 8494 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 45.035250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.044592] Call Trace: [ 45.047164] dump_stack+0x1b2/0x281 [ 45.050765] should_fail.cold+0x10a/0x149 [ 45.054889] should_failslab+0xd6/0x130 [ 45.058837] kmem_cache_alloc_trace+0x29a/0x3d0 [ 45.063481] befs_fill_super+0x9c/0xed0 [ 45.067442] ? pointer+0x9e0/0x9e0 [ 45.070961] ? befs_iget+0x23b0/0x23b0 [ 45.074835] ? vsprintf+0x30/0x30 [ 45.078291] ? ns_test_super+0x50/0x50 [ 45.082163] ? set_blocksize+0x125/0x380 [ 45.086215] mount_bdev+0x2b3/0x360 [ 45.089816] ? befs_iget+0x23b0/0x23b0 [ 45.093690] mount_fs+0x92/0x2a0 [ 45.097035] vfs_kern_mount.part.0+0x5b/0x470 [ 45.101503] do_mount+0xe65/0x2a30 [ 45.105023] ? retint_kernel+0x2d/0x2d [ 45.108885] ? copy_mount_string+0x40/0x40 [ 45.113126] ? memset+0x20/0x40 [ 45.116386] ? copy_mount_options+0x1fa/0x2f0 [ 45.120856] ? copy_mnt_ns+0xa30/0xa30 [ 45.124718] SyS_mount+0xa8/0x120 [ 45.128145] ? copy_mnt_ns+0xa30/0xa30 [ 45.132006] do_syscall_64+0x1d5/0x640 [ 45.135882] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 45.141050] RIP: 0033:0x7f1555a8c15a [ 45.144746] RSP: 002b:00007ffda98e2528 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 45.152426] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8c15a [ 45.159668] RDX: 0000000020003b80 RSI: 0000000020003bc0 RDI: 00007ffda98e2530 executing program [ 45.166910] RBP: 00007ffda98e2530 R08: 00007ffda98e2570 R09: 0000000000000000 [ 45.174156] R10: 0000000000008000 R11: 0000000000000282 R12: 0000000000000005 [ 45.181414] R13: 0000000000008000 R14: 00007ffda98e2570 R15: 000000000000002e [ 45.227287] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 45.272168] FAULT_INJECTION: forcing a failure. [ 45.272168] name failslab, interval 1, probability 0, space 0, times 0 [ 45.283480] CPU: 1 PID: 8500 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 45.291356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.300689] Call Trace: [ 45.303269] dump_stack+0x1b2/0x281 [ 45.306874] should_fail.cold+0x10a/0x149 [ 45.310998] should_failslab+0xd6/0x130 [ 45.314948] kmem_cache_alloc_trace+0x29a/0x3d0 [ 45.319594] ? dev_uevent_filter+0xd0/0xd0 [ 45.323809] kobject_uevent_env+0x20c/0xf30 [ 45.328114] loop_clr_fd+0x59f/0xc20 [ 45.331815] lo_ioctl+0x895/0x1cd0 [ 45.335344] ? kasan_slab_free+0x12d/0x1a0 [ 45.339553] ? loop_set_status64+0xe0/0xe0 [ 45.343765] blkdev_ioctl+0x540/0x1830 [ 45.347628] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 45.352971] ? blkpg_ioctl+0x8d0/0x8d0 [ 45.356833] ? lock_downgrade+0x740/0x740 [ 45.360960] ? debug_check_no_obj_freed+0x2c0/0x680 [ 45.365963] ? lock_acquire+0x170/0x3f0 [ 45.369915] block_ioctl+0xd9/0x120 [ 45.373529] ? blkdev_fallocate+0x3a0/0x3a0 [ 45.377835] do_vfs_ioctl+0x75a/0xff0 [ 45.381613] ? debug_check_no_obj_freed+0x2c0/0x680 [ 45.386610] ? ioctl_preallocate+0x1a0/0x1a0 [ 45.391008] ? debug_object_activate+0x490/0x490 [ 45.395747] ? kfree+0x14a/0x250 [ 45.399107] ? SyS_mount+0xcc/0x120 [ 45.402712] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 45.407719] ? security_file_ioctl+0x83/0xb0 [ 45.412110] SyS_ioctl+0x7f/0xb0 [ 45.415457] ? do_vfs_ioctl+0xff0/0xff0 [ 45.419414] do_syscall_64+0x1d5/0x640 [ 45.423287] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 45.428453] RIP: 0033:0x7f1555a8ab77 [ 45.432138] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.439821] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 45.447076] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 45.454335] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 [ 45.461579] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 executing program [ 45.468828] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 000000000000002f [ 45.500765] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 45.542168] FAULT_INJECTION: forcing a failure. [ 45.542168] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 45.553957] CPU: 0 PID: 8506 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 45.561830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.571163] Call Trace: [ 45.573749] dump_stack+0x1b2/0x281 [ 45.577381] should_fail.cold+0x10a/0x149 [ 45.581516] __alloc_pages_nodemask+0x22c/0x2720 [ 45.586267] ? __lock_acquire+0x5fc/0x3f20 [ 45.590480] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 45.595301] ? __mutex_lock+0x360/0x1310 [ 45.599343] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 45.604772] ? __mutex_unlock_slowpath+0x75/0x770 [ 45.609593] cache_grow_begin+0x91/0x700 [ 45.613629] ? fs_reclaim_release+0xd0/0x110 [ 45.618018] ? check_preemption_disabled+0x35/0x240 [ 45.623014] cache_alloc_refill+0x273/0x350 [ 45.627315] kmem_cache_alloc_trace+0x340/0x3d0 [ 45.631967] ? dev_uevent_filter+0xd0/0xd0 [ 45.636181] kobject_uevent_env+0x20c/0xf30 [ 45.640491] loop_clr_fd+0x59f/0xc20 [ 45.644186] lo_ioctl+0x895/0x1cd0 [ 45.647706] ? kasan_slab_free+0x12d/0x1a0 [ 45.651920] ? loop_set_status64+0xe0/0xe0 [ 45.656134] blkdev_ioctl+0x540/0x1830 [ 45.660014] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 45.665371] ? blkpg_ioctl+0x8d0/0x8d0 [ 45.669235] ? lock_downgrade+0x740/0x740 [ 45.673361] ? debug_check_no_obj_freed+0x2c0/0x680 [ 45.678353] ? lock_acquire+0x170/0x3f0 [ 45.682306] block_ioctl+0xd9/0x120 [ 45.685909] ? blkdev_fallocate+0x3a0/0x3a0 [ 45.690208] do_vfs_ioctl+0x75a/0xff0 [ 45.694080] ? debug_check_no_obj_freed+0x2c0/0x680 [ 45.699864] ? ioctl_preallocate+0x1a0/0x1a0 [ 45.704254] ? debug_object_activate+0x490/0x490 [ 45.709009] ? kfree+0x14a/0x250 [ 45.712363] ? SyS_mount+0xcc/0x120 [ 45.715978] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 45.720984] ? security_file_ioctl+0x83/0xb0 [ 45.725371] SyS_ioctl+0x7f/0xb0 [ 45.728712] ? do_vfs_ioctl+0xff0/0xff0 [ 45.732668] do_syscall_64+0x1d5/0x640 [ 45.736535] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 45.741700] RIP: 0033:0x7f1555a8ab77 [ 45.745385] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.753076] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 45.760332] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 45.767577] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 [ 45.774824] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 [ 45.782069] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 0000000000000030 [ 45.818303] befs: Unrecognized mount option "smackfsfloor=/dev/vhost-net" or missing value [ 45.861575] FAULT_INJECTION: forcing a failure. [ 45.861575] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 45.873387] CPU: 0 PID: 8513 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 45.881244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.890577] Call Trace: [ 45.893146] dump_stack+0x1b2/0x281 [ 45.896754] should_fail.cold+0x10a/0x149 [ 45.900879] __alloc_pages_nodemask+0x22c/0x2720 [ 45.905617] ? __lock_acquire+0x5fc/0x3f20 [ 45.909830] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 45.914651] ? __mutex_lock+0x360/0x1310 [ 45.918703] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 45.924129] ? __mutex_unlock_slowpath+0x75/0x770 [ 45.928951] cache_grow_begin+0x91/0x700 [ 45.932983] ? fs_reclaim_release+0xd0/0x110 [ 45.937365] ? check_preemption_disabled+0x35/0x240 [ 45.942369] cache_alloc_refill+0x273/0x350 [ 45.946684] kmem_cache_alloc_trace+0x340/0x3d0 [ 45.951350] ? dev_uevent_filter+0xd0/0xd0 [ 45.955573] kobject_uevent_env+0x20c/0xf30 [ 45.959872] loop_clr_fd+0x59f/0xc20 [ 45.963562] lo_ioctl+0x895/0x1cd0 [ 45.967078] ? kasan_slab_free+0x12d/0x1a0 [ 45.971302] ? loop_set_status64+0xe0/0xe0 [ 45.975544] blkdev_ioctl+0x540/0x1830 [ 45.979410] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 45.984755] ? blkpg_ioctl+0x8d0/0x8d0 [ 45.988620] ? lock_downgrade+0x740/0x740 [ 45.992844] ? debug_check_no_obj_freed+0x2c0/0x680 [ 45.997853] ? lock_acquire+0x170/0x3f0 [ 46.001832] block_ioctl+0xd9/0x120 [ 46.005439] ? blkdev_fallocate+0x3a0/0x3a0 [ 46.009743] do_vfs_ioctl+0x75a/0xff0 [ 46.013523] ? debug_check_no_obj_freed+0x2c0/0x680 [ 46.018525] ? ioctl_preallocate+0x1a0/0x1a0 [ 46.022912] ? debug_object_activate+0x490/0x490 [ 46.027644] ? kfree+0x14a/0x250 [ 46.030989] ? SyS_mount+0xcc/0x120 [ 46.034603] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 46.039602] ? security_file_ioctl+0x83/0xb0 [ 46.044004] SyS_ioctl+0x7f/0xb0 [ 46.047343] ? do_vfs_ioctl+0xff0/0xff0 [ 46.051301] do_syscall_64+0x1d5/0x640 [ 46.055169] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 46.060334] RIP: 0033:0x7f1555a8ab77 [ 46.064022] RSP: 002b:00007ffda98e2528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.071705] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8ab77 [ 46.078951] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 46.086197] RBP: 00005555564852c0 R08: 00007ffda98e2570 R09: 0000000000000000 [ 46.093439] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000005 [ 46.100694] R13: 0000000000000016 R14: 00007ffda98e2570 R15: 0000000000000031 [ 46.134206] FAULT_INJECTION: forcing a failure. [ 46.134206] name failslab, interval 1, probability 0, space 0, times 0 [ 46.146856] CPU: 1 PID: 8520 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 46.154734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.164080] Call Trace: [ 46.166647] dump_stack+0x1b2/0x281 [ 46.170260] should_fail.cold+0x10a/0x149 [ 46.174384] should_failslab+0xd6/0x130 [ 46.178333] __kmalloc+0x2c1/0x400 [ 46.181845] ? register_shrinker+0x1ab/0x220 [ 46.186227] register_shrinker+0x1ab/0x220 [ 46.190435] sget_userns+0x9aa/0xc10 [ 46.194241] ? set_bdev_super+0x110/0x110 [ 46.198397] ? ns_test_super+0x50/0x50 [ 46.202270] ? set_bdev_super+0x110/0x110 [ 46.206397] ? ns_test_super+0x50/0x50 [ 46.210257] sget+0xd1/0x110 [ 46.213252] mount_bdev+0xcd/0x360 [ 46.216772] ? befs_iget+0x23b0/0x23b0 [ 46.220649] mount_fs+0x92/0x2a0 [ 46.223991] vfs_kern_mount.part.0+0x5b/0x470 [ 46.228463] do_mount+0xe65/0x2a30 [ 46.231979] ? retint_kernel+0x2d/0x2d [ 46.235845] ? copy_mount_string+0x40/0x40 [ 46.240059] ? memset+0x20/0x40 [ 46.243328] ? copy_mount_options+0x1fa/0x2f0 [ 46.247800] ? copy_mnt_ns+0xa30/0xa30 [ 46.251663] SyS_mount+0xa8/0x120 [ 46.255109] ? copy_mnt_ns+0xa30/0xa30 [ 46.258984] do_syscall_64+0x1d5/0x640 [ 46.262851] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.268043] RIP: 0033:0x7f1555a8c15a [ 46.271751] RSP: 002b:00007ffda98e2528 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 46.279438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8c15a [ 46.286686] RDX: 0000000020003b80 RSI: 0000000020003bc0 RDI: 00007ffda98e2530 [ 46.293943] RBP: 00007ffda98e2530 R08: 00007ffda98e2570 R09: 0000000000000000 [ 46.301195] R10: 0000000000008000 R11: 0000000000000282 R12: 0000000000000005 [ 46.308468] R13: 0000000000008000 R14: 00007ffda98e2570 R15: 0000000000000032 [ 46.317206] ------------[ cut here ]------------ [ 46.322118] WARNING: CPU: 1 PID: 8520 at fs/super.c:1163 kill_block_super+0xbe/0xe0 [ 46.329897] Kernel panic - not syncing: panic_on_warn set ... [ 46.329897] [ 46.337239] CPU: 1 PID: 8520 Comm: syz-executor918 Not tainted 4.14.281-syzkaller #0 [ 46.345096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.354426] Call Trace: [ 46.356993] dump_stack+0x1b2/0x281 [ 46.360604] panic+0x1f9/0x42d [ 46.363789] ? add_taint.cold+0x16/0x16 [ 46.367742] ? kill_block_super+0xbe/0xe0 [ 46.371867] ? kill_block_super+0xbe/0xe0 [ 46.375991] __warn.cold+0x20/0x44 [ 46.379504] ? ist_end_non_atomic+0x10/0x10 [ 46.383799] ? kill_block_super+0xbe/0xe0 [ 46.387938] report_bug+0x208/0x250 [ 46.391543] do_error_trap+0x195/0x2d0 [ 46.395403] ? math_error+0x2d0/0x2d0 [ 46.399176] ? retint_kernel+0x2d/0x2d [ 46.403046] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.407879] invalid_op+0x1b/0x40 [ 46.411319] RIP: 0010:kill_block_super+0xbe/0xe0 [ 46.416066] RSP: 0018:ffff888097567bc8 EFLAGS: 00010297 [ 46.421407] RAX: ffff88809721a4c0 RBX: 0000000000000000 RCX: 1ffff11012e435ae [ 46.428664] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880a584fcb0 [ 46.435923] RBP: ffff8880b56f22c0 R08: ffffffff8b9ce3c0 R09: 0000000000000001 [ 46.443283] R10: 0000000000000000 R11: ffff88809721a4c0 R12: ffff8880a584f800 [ 46.450531] R13: ffffffff8926c1d0 R14: ffffffff88f45500 R15: dffffc0000000000 [ 46.457804] ? kill_block_super+0xbe/0xe0 [ 46.462037] deactivate_locked_super+0x6c/0xd0 [ 46.466597] sget_userns+0x9c4/0xc10 [ 46.470287] ? set_bdev_super+0x110/0x110 [ 46.474412] ? ns_test_super+0x50/0x50 [ 46.478278] ? set_bdev_super+0x110/0x110 [ 46.482406] ? ns_test_super+0x50/0x50 [ 46.486429] sget+0xd1/0x110 [ 46.489424] mount_bdev+0xcd/0x360 [ 46.492943] ? befs_iget+0x23b0/0x23b0 [ 46.496818] mount_fs+0x92/0x2a0 [ 46.500169] vfs_kern_mount.part.0+0x5b/0x470 [ 46.504657] do_mount+0xe65/0x2a30 [ 46.508192] ? retint_kernel+0x2d/0x2d [ 46.512085] ? copy_mount_string+0x40/0x40 [ 46.516320] ? memset+0x20/0x40 [ 46.519577] ? copy_mount_options+0x1fa/0x2f0 [ 46.524052] ? copy_mnt_ns+0xa30/0xa30 [ 46.527922] SyS_mount+0xa8/0x120 [ 46.531362] ? copy_mnt_ns+0xa30/0xa30 [ 46.535228] do_syscall_64+0x1d5/0x640 [ 46.539109] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.544279] RIP: 0033:0x7f1555a8c15a [ 46.547975] RSP: 002b:00007ffda98e2528 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 46.555659] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1555a8c15a [ 46.562916] RDX: 0000000020003b80 RSI: 0000000020003bc0 RDI: 00007ffda98e2530 [ 46.570163] RBP: 00007ffda98e2530 R08: 00007ffda98e2570 R09: 0000000000000000 [ 46.577425] R10: 0000000000008000 R11: 0000000000000282 R12: 0000000000000005 [ 46.584673] R13: 0000000000008000 R14: 00007ffda98e2570 R15: 0000000000000032 [ 46.592157] Kernel Offset: disabled [ 46.595834] Rebooting in 86400 seconds..