[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.201' (ECDSA) to the list of known hosts. syzkaller login: [ 84.435002] audit: type=1400 audit(1601630809.302:8): avc: denied { execmem } for pid=6362 comm="syz-executor515" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 84.438602] FAULT_INJECTION: forcing a failure. [ 84.438602] name failslab, interval 1, probability 0, space 0, times 1 [ 84.466953] CPU: 1 PID: 6362 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 84.474821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.484148] Call Trace: [ 84.486713] dump_stack+0x1b2/0x283 [ 84.490332] should_fail.cold+0x10a/0x154 [ 84.494464] should_failslab+0xd6/0x130 [ 84.498418] kmem_cache_alloc_node_trace+0x25a/0x400 [ 84.503506] init_cache_node+0x38/0x170 [ 84.507455] setup_kmem_cache_node+0xf2/0x4e0 [ 84.511936] __do_tune_cpucache+0x151/0x200 [ 84.516247] do_tune_cpucache+0x21/0xc0 [ 84.520298] enable_cpucache+0x3a/0xd0 [ 84.524157] __kmem_cache_create+0x19d/0x240 [ 84.528542] create_cache+0xab/0x1b0 [ 84.532246] kmem_cache_create+0x1bb/0x260 [ 84.536489] copy_pid_ns+0x6f2/0xa60 [ 84.540177] ? copy_ipcs+0x44/0x3f0 [ 84.543793] create_new_namespaces+0x25f/0x720 [ 84.548352] unshare_nsproxy_namespaces+0xa1/0x1d0 [ 84.553256] SyS_unshare+0x308/0x7f0 [ 84.556945] ? walk_process_tree+0x2a0/0x2a0 [ 84.561341] ? mntput+0x5c/0x80 [ 84.564612] ? SyS_access+0x20/0x20 [ 84.568216] ? do_syscall_64+0x4c/0x640 [ 84.572160] ? walk_process_tree+0x2a0/0x2a0 [ 84.576556] do_syscall_64+0x1d5/0x640 [ 84.580418] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 84.585580] RIP: 0033:0x44a1e7 [ 84.588742] RSP: 002b:00007ffc91759a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 84.596433] RAX: ffffffffffffffda RBX: 00007ffc91759b60 RCX: 000000000044a1e7 [ 84.603675] RDX: 0000000000000003 RSI: 00000000000001ff RDI: 0000000020000000 [ 84.610919] RBP: 00007ffc91759a70 R08: 000000000000f8c0 R09: 0000000000003dc0 [ 84.618178] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000004046a0 [ 84.625450] R13: 0000000000404730 R14: 0000000000000000 R15: 0000000000000000 [ 84.633188] enable_cpucache failed for pid_2, error 12 [ 84.638562] kmem_cache_create(pid_2) failed with error -12 [ 84.644244] CPU: 1 PID: 6362 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 84.652109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.661438] Call Trace: [ 84.664002] dump_stack+0x1b2/0x283 [ 84.667608] kmem_cache_create.cold+0x60/0x82 [ 84.672079] copy_pid_ns+0x6f2/0xa60 [ 84.675766] ? copy_ipcs+0x44/0x3f0 [ 84.679378] create_new_namespaces+0x25f/0x720 [ 84.683934] unshare_nsproxy_namespaces+0xa1/0x1d0 [ 84.688854] SyS_unshare+0x308/0x7f0 [ 84.692558] ? walk_process_tree+0x2a0/0x2a0 [ 84.696954] ? mntput+0x5c/0x80 [ 84.700208] ? SyS_access+0x20/0x20 [ 84.703811] ? do_syscall_64+0x4c/0x640 [ 84.707758] ? walk_process_tree+0x2a0/0x2a0 [ 84.712140] do_syscall_64+0x1d5/0x640 [ 84.716004] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 84.721165] RIP: 0033:0x44a1e7 [ 84.724327] RSP: 002b:00007ffc91759a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 84.732008] RAX: ffffffffffffffda RBX: 00007ffc91759b60 RCX: 000000000044a1e7 [ 84.739253] RDX: 0000000000000003 RSI: 00000000000001ff RDI: 0000000020000000 [ 84.746495] RBP: 00007ffc91759a70 R08: 000000000000f8c0 R09: 0000000000003dc0 [ 84.753737] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000004046a0 [ 84.760980] R13: 0000000000404730 R14: 0000000000000000 R15: 0000000000000000 [ 84.786795] IPVS: ftp: loaded support on port[0] = 21 [ 84.846049] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 84.866061] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.873495] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.907084] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 84.927924] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 84.934143] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.942245] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.949341] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program [ 85.006716] FAULT_INJECTION: forcing a failure. [ 85.006716] name failslab, interval 1, probability 0, space 0, times 0 [ 85.018347] CPU: 0 PID: 6405 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 85.026243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.035594] Call Trace: [ 85.038207] dump_stack+0x1b2/0x283 [ 85.041833] should_fail.cold+0x10a/0x154 [ 85.045980] should_failslab+0xd6/0x130 [ 85.049960] kmem_cache_alloc_trace+0x29a/0x3d0 [ 85.054608] jfs_fill_super+0x94/0xab0 [ 85.058507] ? parse_options+0xd10/0xd10 [ 85.062563] ? set_blocksize+0x125/0x380 [ 85.066705] mount_bdev+0x2b3/0x360 [ 85.070304] ? parse_options+0xd10/0xd10 [ 85.074341] mount_fs+0x92/0x2a0 [ 85.077686] vfs_kern_mount.part.0+0x5b/0x470 [ 85.082158] do_mount+0xe53/0x2a00 [ 85.085679] ? retint_kernel+0x2d/0x2d [ 85.089552] ? copy_mount_string+0x40/0x40 [ 85.093810] ? memset+0x20/0x40 [ 85.097065] ? copy_mount_options+0x1fa/0x2f0 [ 85.101533] ? copy_mnt_ns+0xa30/0xa30 [ 85.105395] SyS_mount+0xa8/0x120 [ 85.108820] ? copy_mnt_ns+0xa30/0xa30 [ 85.112711] do_syscall_64+0x1d5/0x640 [ 85.116576] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 85.121738] RIP: 0033:0x44a16a [ 85.124917] RSP: 002b:00007ffc917596d8 EFLAGS: 00000283 ORIG_RAX: 00000000000000a5 [ 85.132633] RAX: ffffffffffffffda RBX: 00007ffc91759720 RCX: 000000000044a16a [ 85.139879] RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007ffc917596e0 [ 85.147141] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f executing program [ 85.154397] R10: 0000000000000000 R11: 0000000000000283 R12: 0000000000000005 [ 85.161689] R13: 00007ffc917596e0 R14: 0000000000000000 R15: 0000000000000005 [ 85.244618] FAULT_INJECTION: forcing a failure. [ 85.244618] name failslab, interval 1, probability 0, space 0, times 0 [ 85.256365] CPU: 0 PID: 6412 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 85.264377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.273759] Call Trace: [ 85.276337] dump_stack+0x1b2/0x283 [ 85.279944] should_fail.cold+0x10a/0x154 [ 85.284071] should_failslab+0xd6/0x130 [ 85.288057] kmem_cache_alloc_node_trace+0x25a/0x400 [ 85.293136] __kmalloc_node_track_caller+0x38/0x70 [ 85.298059] __alloc_skb+0x96/0x510 [ 85.301681] kobject_uevent_env+0x70b/0xcb0 [ 85.306024] loop_clr_fd+0x59f/0xc20 [ 85.309727] lo_ioctl+0x895/0x1cd0 [ 85.313275] ? kasan_slab_free+0x12d/0x1a0 [ 85.317486] ? loop_set_status64+0xe0/0xe0 [ 85.321718] blkdev_ioctl+0x540/0x1830 [ 85.325599] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 85.330973] ? blkpg_ioctl+0x8d0/0x8d0 [ 85.334841] ? lock_downgrade+0x740/0x740 [ 85.338969] ? debug_check_no_obj_freed+0x2c0/0x674 [ 85.343987] block_ioctl+0xd9/0x120 [ 85.347604] ? blkdev_fallocate+0x3a0/0x3a0 [ 85.351928] do_vfs_ioctl+0x75a/0xff0 [ 85.355716] ? selinux_inode_setxattr+0x730/0x730 [ 85.360544] ? ioctl_preallocate+0x1a0/0x1a0 [ 85.364942] ? debug_object_activate+0x490/0x490 [ 85.369691] ? security_file_ioctl+0x83/0xb0 [ 85.374098] SyS_ioctl+0x7f/0xb0 [ 85.377449] ? do_vfs_ioctl+0xff0/0xff0 [ 85.381411] do_syscall_64+0x1d5/0x640 [ 85.385292] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 85.390467] RIP: 0033:0x4476b7 executing program [ 85.393638] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 85.401333] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 85.408593] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 85.415847] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 85.423099] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 85.430352] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 85.504711] FAULT_INJECTION: forcing a failure. [ 85.504711] name failslab, interval 1, probability 0, space 0, times 0 [ 85.516230] CPU: 1 PID: 6417 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 85.524149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.533622] Call Trace: [ 85.536203] dump_stack+0x1b2/0x283 [ 85.539826] should_fail.cold+0x10a/0x154 [ 85.543961] should_failslab+0xd6/0x130 [ 85.547919] kmem_cache_alloc_node_trace+0x25a/0x400 [ 85.553032] __kmalloc_node_track_caller+0x38/0x70 [ 85.557970] __alloc_skb+0x96/0x510 [ 85.561576] kobject_uevent_env+0x70b/0xcb0 [ 85.565880] loop_clr_fd+0x59f/0xc20 [ 85.569574] lo_ioctl+0x895/0x1cd0 [ 85.573106] ? kasan_slab_free+0x12d/0x1a0 [ 85.577314] ? loop_set_status64+0xe0/0xe0 [ 85.581525] blkdev_ioctl+0x540/0x1830 [ 85.585405] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 85.590744] ? blkpg_ioctl+0x8d0/0x8d0 [ 85.594607] ? lock_downgrade+0x740/0x740 [ 85.598744] ? debug_check_no_obj_freed+0x2c0/0x674 [ 85.603751] block_ioctl+0xd9/0x120 [ 85.607352] ? blkdev_fallocate+0x3a0/0x3a0 [ 85.611657] do_vfs_ioctl+0x75a/0xff0 [ 85.615449] ? selinux_inode_setxattr+0x730/0x730 [ 85.620278] ? ioctl_preallocate+0x1a0/0x1a0 [ 85.624706] ? debug_object_activate+0x490/0x490 [ 85.629444] ? security_file_ioctl+0x83/0xb0 [ 85.633835] SyS_ioctl+0x7f/0xb0 [ 85.637190] ? do_vfs_ioctl+0xff0/0xff0 [ 85.641176] do_syscall_64+0x1d5/0x640 [ 85.645039] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 85.650202] RIP: 0033:0x4476b7 executing program [ 85.653366] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 85.661049] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 85.668309] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 85.675555] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 85.682830] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 85.690085] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 85.755207] FAULT_INJECTION: forcing a failure. [ 85.755207] name failslab, interval 1, probability 0, space 0, times 0 [ 85.767090] CPU: 0 PID: 6426 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 85.774948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.784276] Call Trace: [ 85.786883] dump_stack+0x1b2/0x283 [ 85.790501] should_fail.cold+0x10a/0x154 [ 85.794636] should_failslab+0xd6/0x130 [ 85.798597] kmem_cache_alloc_node+0x263/0x410 [ 85.803163] __alloc_skb+0x5c/0x510 [ 85.806775] kobject_uevent_env+0x70b/0xcb0 [ 85.811087] loop_clr_fd+0x59f/0xc20 [ 85.814791] lo_ioctl+0x895/0x1cd0 [ 85.818329] ? kasan_slab_free+0x12d/0x1a0 [ 85.822547] ? loop_set_status64+0xe0/0xe0 [ 85.826787] blkdev_ioctl+0x540/0x1830 [ 85.830685] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 85.836030] ? blkpg_ioctl+0x8d0/0x8d0 [ 85.839899] ? lock_downgrade+0x740/0x740 [ 85.844023] ? debug_check_no_obj_freed+0x2c0/0x674 [ 85.849039] block_ioctl+0xd9/0x120 [ 85.852662] ? blkdev_fallocate+0x3a0/0x3a0 [ 85.856981] do_vfs_ioctl+0x75a/0xff0 [ 85.860796] ? selinux_inode_setxattr+0x730/0x730 [ 85.865614] ? ioctl_preallocate+0x1a0/0x1a0 [ 85.869998] ? debug_object_activate+0x490/0x490 [ 85.874749] ? security_file_ioctl+0x83/0xb0 [ 85.879135] SyS_ioctl+0x7f/0xb0 [ 85.882494] ? do_vfs_ioctl+0xff0/0xff0 [ 85.886473] do_syscall_64+0x1d5/0x640 [ 85.890337] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 85.895516] RIP: 0033:0x4476b7 executing program [ 85.898679] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 85.906361] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 85.913617] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 85.920865] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 85.928112] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 85.935358] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 86.024775] FAULT_INJECTION: forcing a failure. [ 86.024775] name failslab, interval 1, probability 0, space 0, times 0 [ 86.036307] CPU: 0 PID: 6431 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 86.044217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.053545] Call Trace: [ 86.056112] dump_stack+0x1b2/0x283 [ 86.059766] should_fail.cold+0x10a/0x154 [ 86.063906] should_failslab+0xd6/0x130 [ 86.067857] kmem_cache_alloc_trace+0x29a/0x3d0 [ 86.072514] ? kobject_create.cold+0x20/0x20 [ 86.076933] call_usermodehelper_setup+0x73/0x2e0 [ 86.081751] kobject_uevent_env+0xab1/0xcb0 [ 86.086051] loop_clr_fd+0x59f/0xc20 [ 86.089761] lo_ioctl+0x895/0x1cd0 [ 86.093276] ? kasan_slab_free+0x12d/0x1a0 [ 86.097497] ? loop_set_status64+0xe0/0xe0 [ 86.101705] blkdev_ioctl+0x540/0x1830 [ 86.105566] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 86.110901] ? blkpg_ioctl+0x8d0/0x8d0 [ 86.114763] ? lock_downgrade+0x740/0x740 [ 86.118887] ? debug_check_no_obj_freed+0x2c0/0x674 [ 86.123881] block_ioctl+0xd9/0x120 [ 86.127490] ? blkdev_fallocate+0x3a0/0x3a0 [ 86.131796] do_vfs_ioctl+0x75a/0xff0 [ 86.135568] ? selinux_inode_setxattr+0x730/0x730 [ 86.140381] ? ioctl_preallocate+0x1a0/0x1a0 [ 86.144763] ? debug_object_activate+0x490/0x490 [ 86.149492] ? security_file_ioctl+0x83/0xb0 [ 86.153895] SyS_ioctl+0x7f/0xb0 [ 86.157247] ? do_vfs_ioctl+0xff0/0xff0 [ 86.161196] do_syscall_64+0x1d5/0x640 [ 86.165074] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 86.170234] RIP: 0033:0x4476b7 executing program [ 86.173394] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 86.181084] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 86.188325] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 86.195568] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 86.202810] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 86.210054] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 86.265224] FAULT_INJECTION: forcing a failure. [ 86.265224] name failslab, interval 1, probability 0, space 0, times 0 [ 86.276519] CPU: 0 PID: 6438 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 86.284395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.293735] Call Trace: [ 86.296300] dump_stack+0x1b2/0x283 [ 86.299908] should_fail.cold+0x10a/0x154 [ 86.304040] should_failslab+0xd6/0x130 [ 86.308004] kmem_cache_alloc_trace+0x29a/0x3d0 [ 86.312647] ? kobject_create.cold+0x20/0x20 [ 86.317029] call_usermodehelper_setup+0x73/0x2e0 [ 86.321863] kobject_uevent_env+0xab1/0xcb0 [ 86.326165] loop_clr_fd+0x59f/0xc20 [ 86.329863] lo_ioctl+0x895/0x1cd0 [ 86.333386] ? kasan_slab_free+0x12d/0x1a0 [ 86.337605] ? loop_set_status64+0xe0/0xe0 [ 86.341818] blkdev_ioctl+0x540/0x1830 [ 86.345687] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 86.351026] ? blkpg_ioctl+0x8d0/0x8d0 [ 86.354918] ? lock_downgrade+0x740/0x740 [ 86.359043] ? debug_check_no_obj_freed+0x2c0/0x674 [ 86.364037] block_ioctl+0xd9/0x120 [ 86.367655] ? blkdev_fallocate+0x3a0/0x3a0 [ 86.371955] do_vfs_ioctl+0x75a/0xff0 [ 86.375734] ? selinux_inode_setxattr+0x730/0x730 [ 86.380556] ? ioctl_preallocate+0x1a0/0x1a0 [ 86.384959] ? debug_object_activate+0x490/0x490 [ 86.389693] ? security_file_ioctl+0x83/0xb0 [ 86.394077] SyS_ioctl+0x7f/0xb0 [ 86.397416] ? do_vfs_ioctl+0xff0/0xff0 [ 86.401381] do_syscall_64+0x1d5/0x640 [ 86.405254] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 86.410419] RIP: 0033:0x4476b7 executing program [ 86.413583] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 86.421265] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 86.428509] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 86.435753] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 86.443011] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 86.450257] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 86.515045] FAULT_INJECTION: forcing a failure. [ 86.515045] name failslab, interval 1, probability 0, space 0, times 0 [ 86.527026] CPU: 1 PID: 6445 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 86.534894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.544270] Call Trace: [ 86.546837] dump_stack+0x1b2/0x283 [ 86.550444] should_fail.cold+0x10a/0x154 [ 86.554569] should_failslab+0xd6/0x130 [ 86.558520] kmem_cache_alloc_node+0x263/0x410 [ 86.563140] __alloc_skb+0x5c/0x510 [ 86.566766] kobject_uevent_env+0x70b/0xcb0 [ 86.571102] loop_clr_fd+0x59f/0xc20 [ 86.574795] lo_ioctl+0x895/0x1cd0 [ 86.578314] ? kasan_slab_free+0x12d/0x1a0 [ 86.582523] ? loop_set_status64+0xe0/0xe0 [ 86.586749] blkdev_ioctl+0x540/0x1830 [ 86.590619] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 86.595962] ? blkpg_ioctl+0x8d0/0x8d0 [ 86.599839] ? lock_downgrade+0x740/0x740 [ 86.603988] ? debug_check_no_obj_freed+0x2c0/0x674 [ 86.608988] block_ioctl+0xd9/0x120 [ 86.612616] ? blkdev_fallocate+0x3a0/0x3a0 [ 86.616934] do_vfs_ioctl+0x75a/0xff0 [ 86.620724] ? selinux_inode_setxattr+0x730/0x730 [ 86.625540] ? ioctl_preallocate+0x1a0/0x1a0 [ 86.629927] ? debug_object_activate+0x490/0x490 [ 86.634680] ? security_file_ioctl+0x83/0xb0 [ 86.639101] SyS_ioctl+0x7f/0xb0 [ 86.642461] ? do_vfs_ioctl+0xff0/0xff0 [ 86.646413] do_syscall_64+0x1d5/0x640 [ 86.650293] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 86.655457] RIP: 0033:0x4476b7 executing program [ 86.658620] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 86.666302] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 86.673551] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 86.680796] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 86.688055] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 86.695304] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 86.764778] FAULT_INJECTION: forcing a failure. [ 86.764778] name failslab, interval 1, probability 0, space 0, times 0 [ 86.776846] CPU: 1 PID: 6452 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 86.784784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.794136] Call Trace: [ 86.796716] dump_stack+0x1b2/0x283 [ 86.800323] should_fail.cold+0x10a/0x154 [ 86.804465] should_failslab+0xd6/0x130 [ 86.808434] kmem_cache_alloc_node+0x263/0x410 [ 86.813007] __alloc_skb+0x5c/0x510 [ 86.816656] kobject_uevent_env+0x70b/0xcb0 [ 86.820972] loop_clr_fd+0x59f/0xc20 [ 86.824665] lo_ioctl+0x895/0x1cd0 [ 86.828181] ? kasan_slab_free+0x12d/0x1a0 [ 86.832406] ? loop_set_status64+0xe0/0xe0 [ 86.836617] blkdev_ioctl+0x540/0x1830 [ 86.840477] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 86.845814] ? blkpg_ioctl+0x8d0/0x8d0 [ 86.849677] ? lock_downgrade+0x740/0x740 [ 86.853800] ? debug_check_no_obj_freed+0x2c0/0x674 [ 86.858795] block_ioctl+0xd9/0x120 [ 86.862395] ? blkdev_fallocate+0x3a0/0x3a0 [ 86.866691] do_vfs_ioctl+0x75a/0xff0 [ 86.870468] ? selinux_inode_setxattr+0x730/0x730 [ 86.875285] ? ioctl_preallocate+0x1a0/0x1a0 [ 86.879669] ? debug_object_activate+0x490/0x490 [ 86.884402] ? security_file_ioctl+0x83/0xb0 [ 86.888792] SyS_ioctl+0x7f/0xb0 [ 86.892134] ? do_vfs_ioctl+0xff0/0xff0 [ 86.896087] do_syscall_64+0x1d5/0x640 [ 86.899952] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 86.905113] RIP: 0033:0x4476b7 executing program [ 86.908290] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 86.915985] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 86.923240] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 86.930497] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 86.937757] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 86.945000] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 87.004782] FAULT_INJECTION: forcing a failure. [ 87.004782] name failslab, interval 1, probability 0, space 0, times 0 [ 87.016864] CPU: 0 PID: 6459 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 87.024749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.034090] Call Trace: [ 87.036688] dump_stack+0x1b2/0x283 [ 87.040339] should_fail.cold+0x10a/0x154 [ 87.044486] should_failslab+0xd6/0x130 [ 87.048447] kmem_cache_alloc_node+0x263/0x410 [ 87.053018] __alloc_skb+0x5c/0x510 [ 87.056623] kobject_uevent_env+0x70b/0xcb0 [ 87.060925] loop_clr_fd+0x59f/0xc20 [ 87.064615] lo_ioctl+0x895/0x1cd0 [ 87.068165] ? kasan_slab_free+0x12d/0x1a0 [ 87.072372] ? loop_set_status64+0xe0/0xe0 [ 87.076582] blkdev_ioctl+0x540/0x1830 [ 87.080443] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 87.085787] ? blkpg_ioctl+0x8d0/0x8d0 [ 87.089675] ? lock_downgrade+0x740/0x740 [ 87.093800] ? debug_check_no_obj_freed+0x2c0/0x674 [ 87.098799] block_ioctl+0xd9/0x120 [ 87.102402] ? blkdev_fallocate+0x3a0/0x3a0 [ 87.106716] do_vfs_ioctl+0x75a/0xff0 [ 87.110514] ? selinux_inode_setxattr+0x730/0x730 [ 87.115349] ? ioctl_preallocate+0x1a0/0x1a0 [ 87.119739] ? debug_object_activate+0x490/0x490 [ 87.124496] ? security_file_ioctl+0x83/0xb0 [ 87.128886] SyS_ioctl+0x7f/0xb0 [ 87.132251] ? do_vfs_ioctl+0xff0/0xff0 [ 87.136201] do_syscall_64+0x1d5/0x640 [ 87.140074] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 87.145254] RIP: 0033:0x4476b7 executing program [ 87.148503] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 87.156188] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 87.163484] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 87.170773] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 87.178054] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 87.185298] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 87.254766] FAULT_INJECTION: forcing a failure. [ 87.254766] name failslab, interval 1, probability 0, space 0, times 0 [ 87.266485] CPU: 1 PID: 6467 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 87.274351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.283681] Call Trace: [ 87.286248] dump_stack+0x1b2/0x283 [ 87.289869] should_fail.cold+0x10a/0x154 [ 87.294048] should_failslab+0xd6/0x130 [ 87.298086] __kmalloc+0x2c1/0x400 [ 87.301602] ? kobject_get_path+0xb8/0x1b0 [ 87.305810] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 87.311349] kobject_get_path+0xb8/0x1b0 [ 87.315425] kobject_uevent_env+0x21e/0xcb0 [ 87.319729] loop_clr_fd+0x59f/0xc20 [ 87.323452] lo_ioctl+0x895/0x1cd0 [ 87.326989] ? kasan_slab_free+0x12d/0x1a0 [ 87.331197] ? loop_set_status64+0xe0/0xe0 [ 87.335408] blkdev_ioctl+0x540/0x1830 [ 87.339268] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 87.344611] ? blkpg_ioctl+0x8d0/0x8d0 [ 87.348505] ? lock_downgrade+0x740/0x740 [ 87.352639] ? debug_check_no_obj_freed+0x2c0/0x674 [ 87.357641] block_ioctl+0xd9/0x120 [ 87.361278] ? blkdev_fallocate+0x3a0/0x3a0 [ 87.365615] do_vfs_ioctl+0x75a/0xff0 [ 87.369409] ? selinux_inode_setxattr+0x730/0x730 [ 87.374226] ? ioctl_preallocate+0x1a0/0x1a0 [ 87.378612] ? debug_object_activate+0x490/0x490 [ 87.383347] ? security_file_ioctl+0x83/0xb0 [ 87.387750] SyS_ioctl+0x7f/0xb0 [ 87.391113] ? do_vfs_ioctl+0xff0/0xff0 [ 87.395065] do_syscall_64+0x1d5/0x640 [ 87.398930] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 87.404133] RIP: 0033:0x4476b7 [ 87.407327] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 87.415025] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 87.422268] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 87.429517] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 87.436780] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 87.444049] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 87.504776] FAULT_INJECTION: forcing a failure. [ 87.504776] name failslab, interval 1, probability 0, space 0, times 0 [ 87.516143] CPU: 1 PID: 6474 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 87.524018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.533530] Call Trace: [ 87.536099] dump_stack+0x1b2/0x283 [ 87.539717] should_fail.cold+0x10a/0x154 [ 87.543873] should_failslab+0xd6/0x130 [ 87.547856] kmem_cache_alloc_node_trace+0x25a/0x400 [ 87.552934] __kmalloc_node_track_caller+0x38/0x70 [ 87.557838] __alloc_skb+0x96/0x510 [ 87.561470] kobject_uevent_env+0x70b/0xcb0 [ 87.565783] loop_clr_fd+0x59f/0xc20 [ 87.569470] lo_ioctl+0x895/0x1cd0 [ 87.573028] ? kasan_slab_free+0x12d/0x1a0 [ 87.577234] ? loop_set_status64+0xe0/0xe0 [ 87.581442] blkdev_ioctl+0x540/0x1830 [ 87.585302] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 87.590637] ? blkpg_ioctl+0x8d0/0x8d0 [ 87.594506] ? lock_downgrade+0x740/0x740 [ 87.598633] ? debug_check_no_obj_freed+0x2c0/0x674 [ 87.603643] block_ioctl+0xd9/0x120 [ 87.607244] ? blkdev_fallocate+0x3a0/0x3a0 [ 87.611552] do_vfs_ioctl+0x75a/0xff0 [ 87.615328] ? selinux_inode_setxattr+0x730/0x730 [ 87.620150] ? ioctl_preallocate+0x1a0/0x1a0 [ 87.624554] ? debug_object_activate+0x490/0x490 [ 87.629284] ? security_file_ioctl+0x83/0xb0 [ 87.633685] SyS_ioctl+0x7f/0xb0 [ 87.637037] ? do_vfs_ioctl+0xff0/0xff0 [ 87.641000] do_syscall_64+0x1d5/0x640 [ 87.644862] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 87.650023] RIP: 0033:0x4476b7 executing program [ 87.653205] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 87.660913] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 87.668169] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 87.675425] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 87.682677] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 87.689919] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 87.744899] FAULT_INJECTION: forcing a failure. [ 87.744899] name failslab, interval 1, probability 0, space 0, times 0 [ 87.756514] CPU: 1 PID: 6480 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 87.764396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.773745] Call Trace: [ 87.776313] dump_stack+0x1b2/0x283 [ 87.779918] should_fail.cold+0x10a/0x154 [ 87.784040] should_failslab+0xd6/0x130 [ 87.787987] kmem_cache_alloc_trace+0x29a/0x3d0 [ 87.792631] ? kobject_create.cold+0x20/0x20 [ 87.797014] call_usermodehelper_setup+0x73/0x2e0 [ 87.801829] kobject_uevent_env+0xab1/0xcb0 [ 87.806132] loop_clr_fd+0x59f/0xc20 [ 87.809826] lo_ioctl+0x895/0x1cd0 [ 87.813369] ? kasan_slab_free+0x12d/0x1a0 [ 87.817645] ? loop_set_status64+0xe0/0xe0 [ 87.821857] blkdev_ioctl+0x540/0x1830 [ 87.825735] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 87.831086] ? blkpg_ioctl+0x8d0/0x8d0 [ 87.834946] ? lock_downgrade+0x740/0x740 [ 87.839075] ? debug_check_no_obj_freed+0x2c0/0x674 [ 87.844087] block_ioctl+0xd9/0x120 [ 87.847685] ? blkdev_fallocate+0x3a0/0x3a0 [ 87.851979] do_vfs_ioctl+0x75a/0xff0 [ 87.855755] ? selinux_inode_setxattr+0x730/0x730 [ 87.860587] ? ioctl_preallocate+0x1a0/0x1a0 [ 87.864970] ? debug_object_activate+0x490/0x490 [ 87.869700] ? security_file_ioctl+0x83/0xb0 [ 87.874109] SyS_ioctl+0x7f/0xb0 [ 87.877463] ? do_vfs_ioctl+0xff0/0xff0 [ 87.881413] do_syscall_64+0x1d5/0x640 [ 87.885280] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 87.890446] RIP: 0033:0x4476b7 executing program [ 87.893609] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 87.901288] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 87.908530] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 87.915816] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 87.923206] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 87.930490] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 88.004697] FAULT_INJECTION: forcing a failure. [ 88.004697] name failslab, interval 1, probability 0, space 0, times 0 [ 88.016638] CPU: 0 PID: 6486 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 88.024503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.033950] Call Trace: [ 88.036582] dump_stack+0x1b2/0x283 [ 88.040217] should_fail.cold+0x10a/0x154 [ 88.044370] should_failslab+0xd6/0x130 [ 88.048325] kmem_cache_alloc_trace+0x29a/0x3d0 [ 88.052967] ? dev_uevent_filter+0xd0/0xd0 [ 88.057176] kobject_uevent_env+0x1fa/0xcb0 [ 88.061493] loop_clr_fd+0x59f/0xc20 [ 88.065199] lo_ioctl+0x895/0x1cd0 [ 88.068716] ? kasan_slab_free+0x12d/0x1a0 [ 88.072924] ? loop_set_status64+0xe0/0xe0 [ 88.077134] blkdev_ioctl+0x540/0x1830 [ 88.080998] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 88.086334] ? blkpg_ioctl+0x8d0/0x8d0 [ 88.090206] ? lock_downgrade+0x740/0x740 [ 88.094333] ? debug_check_no_obj_freed+0x2c0/0x674 [ 88.099331] block_ioctl+0xd9/0x120 [ 88.102949] ? blkdev_fallocate+0x3a0/0x3a0 [ 88.107269] do_vfs_ioctl+0x75a/0xff0 [ 88.111084] ? selinux_inode_setxattr+0x730/0x730 [ 88.115904] ? ioctl_preallocate+0x1a0/0x1a0 [ 88.120289] ? debug_object_activate+0x490/0x490 [ 88.125049] ? security_file_ioctl+0x83/0xb0 [ 88.129450] SyS_ioctl+0x7f/0xb0 [ 88.132792] ? do_vfs_ioctl+0xff0/0xff0 [ 88.136774] do_syscall_64+0x1d5/0x640 [ 88.140644] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 88.145807] RIP: 0033:0x4476b7 executing program [ 88.148977] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 88.156696] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 88.163960] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 88.171208] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 88.178458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 88.185701] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 88.245075] FAULT_INJECTION: forcing a failure. [ 88.245075] name failslab, interval 1, probability 0, space 0, times 0 [ 88.257083] CPU: 0 PID: 6492 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 88.264945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.274411] Call Trace: [ 88.276978] dump_stack+0x1b2/0x283 [ 88.280586] should_fail.cold+0x10a/0x154 [ 88.284746] should_failslab+0xd6/0x130 [ 88.288705] __kmalloc+0x2c1/0x400 [ 88.292234] ? kobject_get_path+0xb8/0x1b0 [ 88.296444] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 88.301869] kobject_get_path+0xb8/0x1b0 [ 88.305913] kobject_uevent_env+0x21e/0xcb0 [ 88.310213] loop_clr_fd+0x59f/0xc20 [ 88.313918] lo_ioctl+0x895/0x1cd0 [ 88.317449] ? kasan_slab_free+0x12d/0x1a0 [ 88.321771] ? loop_set_status64+0xe0/0xe0 [ 88.325987] blkdev_ioctl+0x540/0x1830 [ 88.329856] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 88.335195] ? blkpg_ioctl+0x8d0/0x8d0 [ 88.339058] ? lock_downgrade+0x740/0x740 [ 88.343184] ? debug_check_no_obj_freed+0x2c0/0x674 [ 88.348197] block_ioctl+0xd9/0x120 [ 88.351798] ? blkdev_fallocate+0x3a0/0x3a0 [ 88.356113] do_vfs_ioctl+0x75a/0xff0 [ 88.359905] ? selinux_inode_setxattr+0x730/0x730 [ 88.364722] ? ioctl_preallocate+0x1a0/0x1a0 [ 88.369110] ? debug_object_activate+0x490/0x490 [ 88.373857] ? security_file_ioctl+0x83/0xb0 [ 88.378256] SyS_ioctl+0x7f/0xb0 [ 88.381596] ? do_vfs_ioctl+0xff0/0xff0 [ 88.385566] do_syscall_64+0x1d5/0x640 [ 88.389437] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 88.394601] RIP: 0033:0x4476b7 [ 88.397768] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 88.405471] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 88.412714] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 88.419959] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 88.427217] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 88.434481] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 88.514668] FAULT_INJECTION: forcing a failure. [ 88.514668] name failslab, interval 1, probability 0, space 0, times 0 [ 88.526917] CPU: 0 PID: 6499 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 88.534841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.544173] Call Trace: [ 88.546741] dump_stack+0x1b2/0x283 [ 88.550350] should_fail.cold+0x10a/0x154 [ 88.554484] should_failslab+0xd6/0x130 [ 88.558444] kmem_cache_alloc_node+0x263/0x410 [ 88.563040] __alloc_skb+0x5c/0x510 [ 88.566646] kobject_uevent_env+0x70b/0xcb0 [ 88.570949] loop_clr_fd+0x59f/0xc20 [ 88.574641] lo_ioctl+0x895/0x1cd0 [ 88.578160] ? kasan_slab_free+0x12d/0x1a0 [ 88.582368] ? loop_set_status64+0xe0/0xe0 [ 88.586607] blkdev_ioctl+0x540/0x1830 [ 88.590467] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 88.596000] ? blkpg_ioctl+0x8d0/0x8d0 [ 88.599865] ? lock_downgrade+0x740/0x740 [ 88.603989] ? debug_check_no_obj_freed+0x2c0/0x674 [ 88.609018] block_ioctl+0xd9/0x120 [ 88.612648] ? blkdev_fallocate+0x3a0/0x3a0 [ 88.616962] do_vfs_ioctl+0x75a/0xff0 [ 88.620739] ? selinux_inode_setxattr+0x730/0x730 [ 88.625582] ? ioctl_preallocate+0x1a0/0x1a0 [ 88.629983] ? debug_object_activate+0x490/0x490 [ 88.634717] ? security_file_ioctl+0x83/0xb0 [ 88.639103] SyS_ioctl+0x7f/0xb0 [ 88.642445] ? do_vfs_ioctl+0xff0/0xff0 [ 88.646412] do_syscall_64+0x1d5/0x640 [ 88.650321] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 88.655486] RIP: 0033:0x4476b7 executing program [ 88.658649] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 88.666346] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 88.673590] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 88.680834] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 88.688094] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 88.695340] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 88.754855] FAULT_INJECTION: forcing a failure. [ 88.754855] name failslab, interval 1, probability 0, space 0, times 0 [ 88.766737] CPU: 1 PID: 6506 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 88.774604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.783937] Call Trace: [ 88.786502] dump_stack+0x1b2/0x283 [ 88.790118] should_fail.cold+0x10a/0x154 [ 88.794258] should_failslab+0xd6/0x130 [ 88.798219] kmem_cache_alloc_node_trace+0x25a/0x400 [ 88.803302] __kmalloc_node_track_caller+0x38/0x70 [ 88.808225] __alloc_skb+0x96/0x510 [ 88.811831] kobject_uevent_env+0x70b/0xcb0 [ 88.816146] loop_clr_fd+0x59f/0xc20 [ 88.819842] lo_ioctl+0x895/0x1cd0 [ 88.823377] ? kasan_slab_free+0x12d/0x1a0 [ 88.827594] ? loop_set_status64+0xe0/0xe0 [ 88.831811] blkdev_ioctl+0x540/0x1830 [ 88.835683] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 88.841030] ? blkpg_ioctl+0x8d0/0x8d0 [ 88.844906] ? lock_downgrade+0x740/0x740 [ 88.849043] ? debug_check_no_obj_freed+0x2c0/0x674 [ 88.854056] block_ioctl+0xd9/0x120 [ 88.857658] ? blkdev_fallocate+0x3a0/0x3a0 [ 88.861971] do_vfs_ioctl+0x75a/0xff0 [ 88.865760] ? selinux_inode_setxattr+0x730/0x730 [ 88.870589] ? ioctl_preallocate+0x1a0/0x1a0 [ 88.874982] ? debug_object_activate+0x490/0x490 [ 88.879723] ? security_file_ioctl+0x83/0xb0 [ 88.884122] SyS_ioctl+0x7f/0xb0 [ 88.887477] ? do_vfs_ioctl+0xff0/0xff0 [ 88.891442] do_syscall_64+0x1d5/0x640 [ 88.895321] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 88.900483] RIP: 0033:0x4476b7 executing program [ 88.903666] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 88.911374] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 88.918625] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 88.925884] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 88.933149] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 88.940392] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 89.004931] FAULT_INJECTION: forcing a failure. [ 89.004931] name failslab, interval 1, probability 0, space 0, times 0 [ 89.016805] CPU: 0 PID: 6512 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 89.024668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.033997] Call Trace: [ 89.036590] dump_stack+0x1b2/0x283 [ 89.040222] should_fail.cold+0x10a/0x154 [ 89.044389] should_failslab+0xd6/0x130 [ 89.048343] kmem_cache_alloc_node_trace+0x25a/0x400 [ 89.053423] __kmalloc_node_track_caller+0x38/0x70 [ 89.058343] __alloc_skb+0x96/0x510 [ 89.061952] kobject_uevent_env+0x70b/0xcb0 [ 89.066255] loop_clr_fd+0x59f/0xc20 [ 89.069977] lo_ioctl+0x895/0x1cd0 [ 89.073494] ? kasan_slab_free+0x12d/0x1a0 [ 89.077702] ? loop_set_status64+0xe0/0xe0 [ 89.081914] blkdev_ioctl+0x540/0x1830 [ 89.085788] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 89.091150] ? blkpg_ioctl+0x8d0/0x8d0 [ 89.095043] ? lock_downgrade+0x740/0x740 [ 89.099175] ? debug_check_no_obj_freed+0x2c0/0x674 [ 89.104176] block_ioctl+0xd9/0x120 [ 89.107840] ? blkdev_fallocate+0x3a0/0x3a0 [ 89.112138] do_vfs_ioctl+0x75a/0xff0 [ 89.115913] ? selinux_inode_setxattr+0x730/0x730 [ 89.120744] ? ioctl_preallocate+0x1a0/0x1a0 [ 89.125129] ? debug_object_activate+0x490/0x490 [ 89.129860] ? security_file_ioctl+0x83/0xb0 [ 89.134271] SyS_ioctl+0x7f/0xb0 [ 89.137609] ? do_vfs_ioctl+0xff0/0xff0 [ 89.141559] do_syscall_64+0x1d5/0x640 [ 89.145422] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 89.150584] RIP: 0033:0x4476b7 executing program [ 89.153878] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 89.161564] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 89.168821] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 89.176086] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 89.183336] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 89.190587] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 89.254592] FAULT_INJECTION: forcing a failure. [ 89.254592] name failslab, interval 1, probability 0, space 0, times 0 [ 89.266407] CPU: 0 PID: 6519 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 89.274306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.283681] Call Trace: [ 89.286252] dump_stack+0x1b2/0x283 [ 89.289861] should_fail.cold+0x10a/0x154 [ 89.293989] should_failslab+0xd6/0x130 [ 89.297941] kmem_cache_alloc_node_trace+0x25a/0x400 [ 89.303022] __kmalloc_node_track_caller+0x38/0x70 [ 89.307934] __alloc_skb+0x96/0x510 [ 89.311557] kobject_uevent_env+0x70b/0xcb0 [ 89.315872] loop_clr_fd+0x59f/0xc20 [ 89.319586] lo_ioctl+0x895/0x1cd0 [ 89.323111] ? kasan_slab_free+0x12d/0x1a0 [ 89.327346] ? loop_set_status64+0xe0/0xe0 [ 89.331571] blkdev_ioctl+0x540/0x1830 [ 89.335446] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 89.340796] ? blkpg_ioctl+0x8d0/0x8d0 [ 89.344661] ? lock_downgrade+0x740/0x740 [ 89.348791] ? debug_check_no_obj_freed+0x2c0/0x674 [ 89.353796] block_ioctl+0xd9/0x120 [ 89.357401] ? blkdev_fallocate+0x3a0/0x3a0 [ 89.361717] do_vfs_ioctl+0x75a/0xff0 [ 89.365509] ? selinux_inode_setxattr+0x730/0x730 [ 89.370334] ? ioctl_preallocate+0x1a0/0x1a0 [ 89.374735] ? debug_object_activate+0x490/0x490 [ 89.379511] ? security_file_ioctl+0x83/0xb0 [ 89.383912] SyS_ioctl+0x7f/0xb0 [ 89.387258] ? do_vfs_ioctl+0xff0/0xff0 [ 89.391214] do_syscall_64+0x1d5/0x640 [ 89.395080] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 89.400347] RIP: 0033:0x4476b7 executing program [ 89.403517] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 89.411208] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 89.418476] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 89.425725] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 89.432976] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 89.440241] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 89.475128] FAULT_INJECTION: forcing a failure. [ 89.475128] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 89.487017] CPU: 0 PID: 6527 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 89.494890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.504229] Call Trace: [ 89.506803] dump_stack+0x1b2/0x283 [ 89.510412] should_fail.cold+0x10a/0x154 [ 89.514557] __alloc_pages_nodemask+0x22c/0x2720 [ 89.519292] ? kmem_cache_free+0x7c/0x2b0 [ 89.523417] ? ___pte_free_tlb+0x44/0xc0 [ 89.527455] ? free_pgtables+0x1ec/0x2b0 [ 89.531492] ? exit_mmap+0x27f/0x4d0 [ 89.535178] ? mmput+0xfa/0x420 [ 89.538448] ? SyS_exit_group+0x19/0x20 [ 89.542398] ? do_syscall_64+0x1d5/0x640 [ 89.546439] ? debug_check_no_obj_freed+0x2c0/0x674 [ 89.551459] ? lock_acquire+0x170/0x3f0 [ 89.555420] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 89.560245] ? debug_check_no_obj_freed+0x2c0/0x674 [ 89.565244] alloc_pages_current+0x155/0x260 [ 89.569627] ? ___pte_free_tlb+0x44/0xc0 [ 89.573664] __get_free_pages+0xb/0x40 [ 89.577535] tlb_remove_table+0x15c/0x240 [ 89.581669] free_pgd_range+0x84b/0xcd0 [ 89.585639] free_pgtables+0x1ec/0x2b0 [ 89.589534] exit_mmap+0x27f/0x4d0 [ 89.593048] ? SyS_remap_file_pages+0x6a0/0x6a0 [ 89.597697] ? kmem_cache_free+0x23a/0x2b0 [ 89.601971] ? __khugepaged_exit+0x29b/0x3c0 [ 89.606357] mmput+0xfa/0x420 [ 89.609454] do_exit+0x948/0x27f0 [ 89.612892] ? __do_page_fault+0x5a0/0xb50 [ 89.617113] ? mm_update_next_owner+0x5b0/0x5b0 [ 89.621765] ? lock_downgrade+0x740/0x740 [ 89.625895] do_group_exit+0x100/0x2e0 [ 89.629757] SyS_exit_group+0x19/0x20 [ 89.633530] ? do_group_exit+0x2e0/0x2e0 [ 89.637569] do_syscall_64+0x1d5/0x640 [ 89.641439] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 89.646605] RIP: 0033:0x446248 [ 89.649957] RSP: 002b:00007ffc91759838 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 89.657644] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446248 [ 89.664892] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 executing program [ 89.672139] RBP: 00000000004c89f0 R08: 00000000000000e7 R09: ffffffffffffffd4 [ 89.679386] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 89.686630] R13: 00000000006e1f80 R14: 000000000000000c R15: 0000000000000005 [ 89.733821] FAULT_INJECTION: forcing a failure. [ 89.733821] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 89.746829] CPU: 1 PID: 6533 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 89.754710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.764048] Call Trace: [ 89.766661] dump_stack+0x1b2/0x283 [ 89.770285] should_fail.cold+0x10a/0x154 [ 89.774408] __alloc_pages_nodemask+0x22c/0x2720 [ 89.779156] ? __lock_acquire+0x5fc/0x3f20 [ 89.783367] ? trace_hardirqs_on+0x10/0x10 [ 89.787626] ? trace_hardirqs_on+0x10/0x10 [ 89.791838] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 89.796654] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 89.802092] ? _find_next_bit+0xdb/0x100 [ 89.806129] ? check_preemption_disabled+0x35/0x240 [ 89.811119] ? __lock_acquire+0x5fc/0x3f20 [ 89.815330] alloc_pages_vma+0xd2/0x6d0 [ 89.819304] wp_page_copy+0x1f5/0x1ba0 [ 89.823201] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 89.827674] ? __lock_acquire+0x5fc/0x3f20 [ 89.831884] do_wp_page+0x245/0x1db0 [ 89.835572] ? __handle_mm_fault+0x129c/0x4620 [ 89.840149] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 89.844804] __handle_mm_fault+0x234f/0x4620 [ 89.849229] ? vm_insert_page+0x7c0/0x7c0 [ 89.853356] ? lock_acquire+0x170/0x3f0 [ 89.857342] ? task_work_run+0xfd/0x190 [ 89.861303] handle_mm_fault+0x306/0x7a0 [ 89.865354] __do_page_fault+0x578/0xb50 [ 89.869401] ? spurious_fault+0x640/0x640 [ 89.873533] ? do_page_fault+0x60/0x4f2 [ 89.877710] ? page_fault+0x2f/0x50 [ 89.881495] page_fault+0x45/0x50 [ 89.884949] RIP: 6e1f80:0xc [ 89.887883] RSP: 0000:00000000006dae50 EFLAGS: 00000001 [ 89.888896] syz-executor515 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 [ 89.904832] syz-executor515 cpuset=/ mems_allowed=0-1 [ 89.925352] CPU: 1 PID: 6533 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 89.933381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.942727] Call Trace: [ 89.945329] dump_stack+0x1b2/0x283 [ 89.948955] dump_header+0x178/0x82f [ 89.952694] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 89.957793] ? ___ratelimit+0x2cd/0x522 [ 89.961765] oom_kill_process.cold+0x10/0xa69 [ 89.966264] ? lock_downgrade+0x740/0x740 [ 89.970420] out_of_memory+0x2dc/0x1190 [ 89.974390] ? pagefault_out_of_memory+0xaa/0xc9 [ 89.979137] ? oom_killer_disable+0x1c0/0x1c0 [ 89.983643] ? mutex_trylock+0x152/0x1a0 [ 89.987803] ? pagefault_out_of_memory+0xaa/0xc9 [ 89.992553] pagefault_out_of_memory+0xbb/0xc9 [ 89.997147] ? out_of_memory+0x1190/0x1190 [ 90.001363] ? lock_downgrade+0x740/0x740 [ 90.005489] mm_fault_error+0xad/0x2c0 [ 90.009351] __do_page_fault+0x9d1/0xb50 [ 90.013415] ? spurious_fault+0x640/0x640 [ 90.017554] ? do_page_fault+0x60/0x4f2 [ 90.021521] ? page_fault+0x2f/0x50 [ 90.025148] page_fault+0x45/0x50 [ 90.028605] RIP: 6e1f80:0xc [ 90.031525] RSP: 0000:00000000006dae50 EFLAGS: 00000001 [ 90.032422] Mem-Info: [ 90.040285] active_anon:3692 inactive_anon:4042 isolated_anon:0 [ 90.040285] active_file:6415 inactive_file:9359 isolated_file:0 [ 90.040285] unevictable:0 dirty:344 writeback:0 unstable:0 [ 90.040285] slab_reclaimable:15609 slab_unreclaimable:109709 [ 90.040285] mapped:4168 shmem:4210 pagetables:368 bounce:0 [ 90.040285] free:1435969 free_pcp:276 free_cma:0 [ 90.075606] Node 0 active_anon:14772kB inactive_anon:16168kB active_file:25528kB inactive_file:37436kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16672kB dirty:1376kB writeback:0kB shmem:16840kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 90.104007] Node 1 active_anon:0kB inactive_anon:0kB active_file:132kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 90.129829] Node 0 DMA free:15908kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 90.156245] lowmem_reserve[]: 0 2557 2557 2557 2557 [ 90.161321] Node 0 DMA32 free:1944824kB min:36272kB low:45340kB high:54408kB active_anon:14772kB inactive_anon:16168kB active_file:25528kB inactive_file:37436kB unevictable:0kB writepending:1376kB present:3129332kB managed:2621180kB mlocked:0kB kernel_stack:6144kB pagetables:1416kB bounce:0kB free_pcp:1336kB local_pcp:632kB free_cma:0kB [ 90.191308] lowmem_reserve[]: 0 0 0 0 0 [ 90.195368] Node 0 Normal free:0kB min:4kB low:4kB high:4kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:328kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 90.220876] lowmem_reserve[]: 0 0 0 0 0 [ 90.224924] Node 1 Normal free:3782652kB min:53612kB low:67012kB high:80412kB active_anon:0kB inactive_anon:0kB active_file:132kB inactive_file:0kB unevictable:0kB writepending:8kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 90.252572] lowmem_reserve[]: 0 0 0 0 0 [ 90.256887] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 90.270828] Node 0 DMA32: 1418*4kB (UM) 43*8kB (UM) 42*16kB (UME) 147*32kB (UE) 30*64kB (UME) 13*128kB (U) 9*256kB (UE) 6*512kB (UME) 3*1024kB (U) 2*2048kB (UM) 468*4096kB (M) = 1944448kB [ 90.287852] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 90.298629] Node 1 Normal: 65*4kB (UE) 389*8kB (U) 273*16kB (UME) 58*32kB (UME) 18*64kB (UM) 10*128kB (UM) 5*256kB (UM) 4*512kB (U) 1*1024kB (M) 5*2048kB (UME) 917*4096kB (M) = 3782652kB [ 90.315655] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 90.324549] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 90.333109] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 90.342010] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 90.350623] 19985 total pagecache pages [ 90.354654] 0 pages in swap cache [ 90.358095] Swap cache stats: add 0, delete 0, find 0/0 [ 90.363705] Free swap = 0kB [ 90.366788] Total swap = 0kB [ 90.369948] 1965979 pages RAM [ 90.373045] 0 pages HighMem/MovableOnly executing program [ 90.377063] 339077 pages reserved [ 90.380504] 0 pages cma reserved [ 90.383845] Out of memory: Kill process 6533 (syz-executor515) score 999 or sacrifice child [ 90.392594] Killed process 6533 (syz-executor515) total-vm:17596kB, anon-rss:2128kB, file-rss:0kB, shmem-rss:0kB [ 90.405093] oom_reaper: reaped process 6533 (syz-executor515), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 90.464693] FAULT_INJECTION: forcing a failure. [ 90.464693] name failslab, interval 1, probability 0, space 0, times 0 [ 90.476697] CPU: 0 PID: 6539 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 90.484568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.493944] Call Trace: [ 90.496553] dump_stack+0x1b2/0x283 [ 90.500186] should_fail.cold+0x10a/0x154 [ 90.504327] should_failslab+0xd6/0x130 [ 90.508351] __kmalloc+0x2c1/0x400 [ 90.511866] ? kobject_get_path+0xb8/0x1b0 [ 90.516075] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 90.521506] kobject_get_path+0xb8/0x1b0 [ 90.525544] kobject_uevent_env+0x21e/0xcb0 [ 90.529844] loop_clr_fd+0x59f/0xc20 [ 90.533536] lo_ioctl+0x895/0x1cd0 [ 90.537057] ? kasan_slab_free+0x12d/0x1a0 [ 90.541282] ? loop_set_status64+0xe0/0xe0 [ 90.545493] blkdev_ioctl+0x540/0x1830 [ 90.549364] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 90.554707] ? blkpg_ioctl+0x8d0/0x8d0 [ 90.558573] ? lock_downgrade+0x740/0x740 [ 90.562699] ? debug_check_no_obj_freed+0x2c0/0x674 [ 90.567696] block_ioctl+0xd9/0x120 [ 90.571299] ? blkdev_fallocate+0x3a0/0x3a0 [ 90.575601] do_vfs_ioctl+0x75a/0xff0 [ 90.579395] ? selinux_inode_setxattr+0x730/0x730 [ 90.584214] ? ioctl_preallocate+0x1a0/0x1a0 [ 90.588600] ? debug_object_activate+0x490/0x490 [ 90.593342] ? security_file_ioctl+0x83/0xb0 [ 90.597729] SyS_ioctl+0x7f/0xb0 [ 90.601072] ? do_vfs_ioctl+0xff0/0xff0 [ 90.605038] do_syscall_64+0x1d5/0x640 [ 90.608915] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 90.614078] RIP: 0033:0x4476b7 [ 90.617257] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 90.624981] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 90.632240] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 90.639483] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 90.646747] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 90.653992] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 90.724794] FAULT_INJECTION: forcing a failure. [ 90.724794] name failslab, interval 1, probability 0, space 0, times 0 [ 90.736402] CPU: 1 PID: 6544 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 90.744264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.753593] Call Trace: [ 90.756158] dump_stack+0x1b2/0x283 [ 90.759766] should_fail.cold+0x10a/0x154 [ 90.763910] should_failslab+0xd6/0x130 [ 90.767865] kmem_cache_alloc_node_trace+0x25a/0x400 [ 90.772946] __kmalloc_node_track_caller+0x38/0x70 [ 90.777854] __alloc_skb+0x96/0x510 [ 90.781470] kobject_uevent_env+0x70b/0xcb0 [ 90.785772] loop_clr_fd+0x59f/0xc20 [ 90.789463] lo_ioctl+0x895/0x1cd0 [ 90.793000] ? kasan_slab_free+0x12d/0x1a0 [ 90.797208] ? loop_set_status64+0xe0/0xe0 [ 90.801435] blkdev_ioctl+0x540/0x1830 [ 90.805296] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 90.810644] ? blkpg_ioctl+0x8d0/0x8d0 [ 90.814509] ? lock_downgrade+0x740/0x740 [ 90.818636] ? debug_check_no_obj_freed+0x2c0/0x674 [ 90.823629] block_ioctl+0xd9/0x120 [ 90.827229] ? blkdev_fallocate+0x3a0/0x3a0 [ 90.831554] do_vfs_ioctl+0x75a/0xff0 [ 90.835328] ? selinux_inode_setxattr+0x730/0x730 [ 90.840148] ? ioctl_preallocate+0x1a0/0x1a0 [ 90.844531] ? debug_object_activate+0x490/0x490 [ 90.849283] ? security_file_ioctl+0x83/0xb0 [ 90.853671] SyS_ioctl+0x7f/0xb0 [ 90.857015] ? do_vfs_ioctl+0xff0/0xff0 [ 90.860987] do_syscall_64+0x1d5/0x640 [ 90.864853] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 90.870018] RIP: 0033:0x4476b7 executing program [ 90.873182] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 90.880863] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 90.888109] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 90.895384] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 90.902662] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 90.909906] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 90.965358] FAULT_INJECTION: forcing a failure. [ 90.965358] name failslab, interval 1, probability 0, space 0, times 0 [ 90.977014] CPU: 1 PID: 6551 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 90.984902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.994240] Call Trace: [ 90.996826] dump_stack+0x1b2/0x283 [ 91.000436] should_fail.cold+0x10a/0x154 [ 91.004563] should_failslab+0xd6/0x130 [ 91.008511] kmem_cache_alloc_node+0x263/0x410 [ 91.013068] __alloc_skb+0x5c/0x510 [ 91.016672] kobject_uevent_env+0x70b/0xcb0 [ 91.020996] loop_clr_fd+0x59f/0xc20 [ 91.024695] lo_ioctl+0x895/0x1cd0 [ 91.028217] ? kasan_slab_free+0x12d/0x1a0 [ 91.032425] ? loop_set_status64+0xe0/0xe0 [ 91.036636] blkdev_ioctl+0x540/0x1830 [ 91.040531] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 91.045869] ? blkpg_ioctl+0x8d0/0x8d0 [ 91.049759] ? lock_downgrade+0x740/0x740 [ 91.053898] ? debug_check_no_obj_freed+0x2c0/0x674 [ 91.058942] block_ioctl+0xd9/0x120 [ 91.062543] ? blkdev_fallocate+0x3a0/0x3a0 [ 91.066841] do_vfs_ioctl+0x75a/0xff0 [ 91.070620] ? selinux_inode_setxattr+0x730/0x730 [ 91.075438] ? ioctl_preallocate+0x1a0/0x1a0 [ 91.079822] ? debug_object_activate+0x490/0x490 [ 91.084556] ? security_file_ioctl+0x83/0xb0 [ 91.088939] SyS_ioctl+0x7f/0xb0 [ 91.092309] ? do_vfs_ioctl+0xff0/0xff0 [ 91.096259] do_syscall_64+0x1d5/0x640 [ 91.100158] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 91.105342] RIP: 0033:0x4476b7 [ 91.108504] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 91.116183] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 91.123426] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 91.130684] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 91.137927] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 91.145177] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 91.204733] FAULT_INJECTION: forcing a failure. [ 91.204733] name failslab, interval 1, probability 0, space 0, times 0 [ 91.216086] CPU: 0 PID: 6558 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 91.224009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.233339] Call Trace: [ 91.235926] dump_stack+0x1b2/0x283 [ 91.239534] should_fail.cold+0x10a/0x154 [ 91.243679] should_failslab+0xd6/0x130 [ 91.247646] kmem_cache_alloc_node_trace+0x25a/0x400 [ 91.252727] __kmalloc_node_track_caller+0x38/0x70 [ 91.257636] __alloc_skb+0x96/0x510 [ 91.261248] kobject_uevent_env+0x70b/0xcb0 [ 91.265561] loop_clr_fd+0x59f/0xc20 [ 91.269271] lo_ioctl+0x895/0x1cd0 [ 91.272796] ? kasan_slab_free+0x12d/0x1a0 [ 91.277004] ? loop_set_status64+0xe0/0xe0 [ 91.281226] blkdev_ioctl+0x540/0x1830 [ 91.285099] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 91.290439] ? blkpg_ioctl+0x8d0/0x8d0 [ 91.294304] ? lock_downgrade+0x740/0x740 [ 91.298429] ? debug_check_no_obj_freed+0x2c0/0x674 [ 91.303431] block_ioctl+0xd9/0x120 [ 91.307039] ? blkdev_fallocate+0x3a0/0x3a0 [ 91.311337] do_vfs_ioctl+0x75a/0xff0 [ 91.315141] ? selinux_inode_setxattr+0x730/0x730 [ 91.319979] ? ioctl_preallocate+0x1a0/0x1a0 [ 91.324382] ? debug_object_activate+0x490/0x490 [ 91.329135] ? security_file_ioctl+0x83/0xb0 [ 91.333524] SyS_ioctl+0x7f/0xb0 [ 91.336871] ? do_vfs_ioctl+0xff0/0xff0 [ 91.340831] do_syscall_64+0x1d5/0x640 [ 91.344697] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 91.349862] RIP: 0033:0x4476b7 executing program [ 91.353027] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 91.360710] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 91.367972] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 91.375242] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 91.382487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 91.389760] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 91.444888] FAULT_INJECTION: forcing a failure. [ 91.444888] name failslab, interval 1, probability 0, space 0, times 0 [ 91.456683] CPU: 1 PID: 6565 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 91.464560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.473934] Call Trace: [ 91.476511] dump_stack+0x1b2/0x283 [ 91.480132] should_fail.cold+0x10a/0x154 [ 91.484266] should_failslab+0xd6/0x130 [ 91.488219] kmem_cache_alloc_node+0x263/0x410 [ 91.492818] __alloc_skb+0x5c/0x510 [ 91.496463] kobject_uevent_env+0x70b/0xcb0 [ 91.500766] loop_clr_fd+0x59f/0xc20 [ 91.504507] lo_ioctl+0x895/0x1cd0 [ 91.508031] ? kasan_slab_free+0x12d/0x1a0 [ 91.512244] ? loop_set_status64+0xe0/0xe0 [ 91.516465] blkdev_ioctl+0x540/0x1830 [ 91.520323] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 91.525657] ? blkpg_ioctl+0x8d0/0x8d0 [ 91.529583] ? lock_downgrade+0x740/0x740 [ 91.533724] ? debug_check_no_obj_freed+0x2c0/0x674 [ 91.538754] block_ioctl+0xd9/0x120 [ 91.542388] ? blkdev_fallocate+0x3a0/0x3a0 [ 91.546701] do_vfs_ioctl+0x75a/0xff0 [ 91.550479] ? selinux_inode_setxattr+0x730/0x730 [ 91.555297] ? ioctl_preallocate+0x1a0/0x1a0 [ 91.559684] ? debug_object_activate+0x490/0x490 [ 91.564419] ? security_file_ioctl+0x83/0xb0 [ 91.568853] SyS_ioctl+0x7f/0xb0 [ 91.572195] ? do_vfs_ioctl+0xff0/0xff0 [ 91.576150] do_syscall_64+0x1d5/0x640 [ 91.580017] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 91.585185] RIP: 0033:0x4476b7 executing program [ 91.588364] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 91.596047] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 91.603303] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 91.610543] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 91.617787] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 91.625031] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 91.661600] FAULT_INJECTION: forcing a failure. [ 91.661600] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 91.673637] CPU: 1 PID: 6573 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 91.681545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.690907] Call Trace: [ 91.693475] dump_stack+0x1b2/0x283 [ 91.697083] should_fail.cold+0x10a/0x154 [ 91.701211] __alloc_pages_nodemask+0x22c/0x2720 [ 91.705946] ? __lock_acquire+0x5fc/0x3f20 [ 91.710157] ? trace_hardirqs_on+0x10/0x10 [ 91.714370] ? trace_hardirqs_on+0x10/0x10 [ 91.718578] ? deref_stack_reg+0x124/0x1a0 [ 91.722786] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 91.728644] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 91.733460] ? trace_hardirqs_on+0x10/0x10 [ 91.737670] ? unwind_next_frame+0xe54/0x17d0 [ 91.742141] ? lock_acquire+0x170/0x3f0 [ 91.746106] ? mem_cgroup_id_get_online+0xb0/0xb0 [ 91.750935] ? __unlock_page_memcg+0x4f/0x100 [ 91.755461] alloc_pages_current+0x155/0x260 [ 91.759875] __get_free_pages+0xb/0x40 [ 91.763762] __tlb_remove_page_size+0x272/0x440 [ 91.768407] unmap_page_range+0xf92/0x1ce0 [ 91.772624] ? vm_normal_page_pmd+0x340/0x340 [ 91.777096] unmap_single_vma+0x147/0x2b0 [ 91.781222] unmap_vmas+0x9d/0x160 [ 91.784767] exit_mmap+0x270/0x4d0 [ 91.788295] ? SyS_remap_file_pages+0x6a0/0x6a0 [ 91.792945] ? kmem_cache_free+0x23a/0x2b0 [ 91.797171] ? __khugepaged_exit+0x29b/0x3c0 [ 91.801571] mmput+0xfa/0x420 [ 91.804667] do_exit+0x948/0x27f0 [ 91.808111] ? __do_page_fault+0x5a0/0xb50 [ 91.812333] ? mm_update_next_owner+0x5b0/0x5b0 [ 91.816976] ? lock_downgrade+0x740/0x740 [ 91.821100] do_group_exit+0x100/0x2e0 [ 91.824975] SyS_exit_group+0x19/0x20 [ 91.828768] ? do_group_exit+0x2e0/0x2e0 [ 91.832810] do_syscall_64+0x1d5/0x640 [ 91.836693] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 91.841864] RIP: 0033:0x446248 [ 91.845026] RSP: 002b:00007ffc91759838 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 91.852706] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446248 executing program [ 91.859964] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 91.867220] RBP: 00000000004c89f0 R08: 00000000000000e7 R09: ffffffffffffffd4 [ 91.874468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 91.881719] R13: 00000000006e1f80 R14: 000000000000000c R15: 0000000000000005 [ 91.934766] FAULT_INJECTION: forcing a failure. [ 91.934766] name failslab, interval 1, probability 0, space 0, times 0 [ 91.946449] CPU: 1 PID: 6579 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 91.954319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.963660] Call Trace: [ 91.966230] dump_stack+0x1b2/0x283 [ 91.969840] should_fail.cold+0x10a/0x154 [ 91.973966] should_failslab+0xd6/0x130 [ 91.977917] kmem_cache_alloc_node+0x263/0x410 [ 91.982489] __alloc_skb+0x5c/0x510 [ 91.986110] kobject_uevent_env+0x70b/0xcb0 [ 91.990412] loop_clr_fd+0x59f/0xc20 [ 91.994141] lo_ioctl+0x895/0x1cd0 [ 91.997661] ? kasan_slab_free+0x12d/0x1a0 [ 92.001889] ? loop_set_status64+0xe0/0xe0 [ 92.006117] blkdev_ioctl+0x540/0x1830 [ 92.010030] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 92.015367] ? blkpg_ioctl+0x8d0/0x8d0 [ 92.019264] ? lock_downgrade+0x740/0x740 [ 92.023391] ? debug_check_no_obj_freed+0x2c0/0x674 [ 92.028391] block_ioctl+0xd9/0x120 [ 92.032016] ? blkdev_fallocate+0x3a0/0x3a0 [ 92.036321] do_vfs_ioctl+0x75a/0xff0 [ 92.040103] ? selinux_inode_setxattr+0x730/0x730 [ 92.045030] ? ioctl_preallocate+0x1a0/0x1a0 [ 92.049458] ? debug_object_activate+0x490/0x490 [ 92.054204] ? security_file_ioctl+0x83/0xb0 [ 92.058597] SyS_ioctl+0x7f/0xb0 [ 92.061940] ? do_vfs_ioctl+0xff0/0xff0 [ 92.065907] do_syscall_64+0x1d5/0x640 [ 92.069782] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 92.074949] RIP: 0033:0x4476b7 executing program [ 92.078127] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 92.085856] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 92.093105] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 92.100350] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 92.107680] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 92.114936] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 92.150849] FAULT_INJECTION: forcing a failure. [ 92.150849] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 92.162733] CPU: 1 PID: 6585 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 92.170635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.179990] Call Trace: [ 92.182557] dump_stack+0x1b2/0x283 [ 92.186171] should_fail.cold+0x10a/0x154 [ 92.190307] __alloc_pages_nodemask+0x22c/0x2720 [ 92.195055] ? trace_hardirqs_on+0x10/0x10 [ 92.199269] ? trace_hardirqs_on+0x10/0x10 [ 92.203545] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 92.208373] ? reacquire_held_locks+0xb5/0x3f0 [ 92.212936] ? alloc_set_pte+0xd57/0x1610 [ 92.217104] ? __lock_acquire+0x5fc/0x3f20 [ 92.221318] alloc_pages_vma+0xd2/0x6d0 [ 92.225271] wp_page_copy+0x1f5/0x1ba0 [ 92.229141] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 92.233612] ? __lock_acquire+0x5fc/0x3f20 [ 92.237825] do_wp_page+0x245/0x1db0 [ 92.241517] ? __handle_mm_fault+0x129c/0x4620 [ 92.246093] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 92.250747] __handle_mm_fault+0x234f/0x4620 [ 92.255136] ? vm_insert_page+0x7c0/0x7c0 [ 92.259280] ? lock_acquire+0x170/0x3f0 [ 92.263255] ? task_work_run+0xfd/0x190 [ 92.267238] handle_mm_fault+0x306/0x7a0 [ 92.271290] __do_page_fault+0x578/0xb50 [ 92.275328] ? spurious_fault+0x640/0x640 [ 92.279468] ? do_page_fault+0x60/0x4f2 [ 92.283419] ? page_fault+0x2f/0x50 [ 92.287024] page_fault+0x45/0x50 [ 92.290453] RIP: 6e1f80:0xc [ 92.293357] RSP: 0001:00000000006dae50 EFLAGS: 00000001 [ 92.293988] syz-executor515 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 [ 92.309855] syz-executor515 cpuset=/ mems_allowed=0-1 [ 92.315171] CPU: 1 PID: 6585 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 92.323063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.332441] Call Trace: [ 92.335030] dump_stack+0x1b2/0x283 [ 92.338658] dump_header+0x178/0x82f [ 92.342372] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 92.347505] ? ___ratelimit+0x2cd/0x522 [ 92.351489] oom_kill_process.cold+0x10/0xa69 [ 92.355964] ? lock_downgrade+0x740/0x740 [ 92.360188] out_of_memory+0x2dc/0x1190 [ 92.364140] ? pagefault_out_of_memory+0xaa/0xc9 [ 92.368873] ? oom_killer_disable+0x1c0/0x1c0 [ 92.373345] ? mutex_trylock+0x152/0x1a0 [ 92.377388] ? pagefault_out_of_memory+0xaa/0xc9 [ 92.382124] pagefault_out_of_memory+0xbb/0xc9 [ 92.386689] ? out_of_memory+0x1190/0x1190 [ 92.390912] ? lock_downgrade+0x740/0x740 [ 92.395039] mm_fault_error+0xad/0x2c0 [ 92.398908] __do_page_fault+0x9d1/0xb50 [ 92.402959] ? spurious_fault+0x640/0x640 [ 92.407095] ? do_page_fault+0x60/0x4f2 [ 92.411045] ? page_fault+0x2f/0x50 [ 92.414650] page_fault+0x45/0x50 [ 92.418122] RIP: 6e1f80:0xc [ 92.421027] RSP: 0001:00000000006dae50 EFLAGS: 00000001 [ 92.421586] Mem-Info: [ 92.430081] active_anon:3688 inactive_anon:4042 isolated_anon:0 [ 92.430081] active_file:6415 inactive_file:9385 isolated_file:0 [ 92.430081] unevictable:0 dirty:370 writeback:0 unstable:0 [ 92.430081] slab_reclaimable:15672 slab_unreclaimable:110422 [ 92.430081] mapped:4200 shmem:4210 pagetables:336 bounce:0 [ 92.430081] free:1435266 free_pcp:239 free_cma:0 [ 92.463881] Node 0 active_anon:14752kB inactive_anon:16168kB active_file:25528kB inactive_file:37540kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16812kB dirty:1476kB writeback:0kB shmem:16840kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 92.492149] Node 1 active_anon:0kB inactive_anon:0kB active_file:132kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 92.518215] Node 0 DMA free:15908kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 92.544445] lowmem_reserve[]: 0 2557 2557 2557 2557 [ 92.549556] Node 0 DMA32 free:1943820kB min:36272kB low:45340kB high:54408kB active_anon:14752kB inactive_anon:16168kB active_file:25528kB inactive_file:37540kB unevictable:0kB writepending:1484kB present:3129332kB managed:2621180kB mlocked:0kB kernel_stack:6144kB pagetables:1344kB bounce:0kB free_pcp:940kB local_pcp:244kB free_cma:0kB [ 92.579590] lowmem_reserve[]: 0 0 0 0 0 [ 92.583584] Node 0 Normal free:0kB min:4kB low:4kB high:4kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:328kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 92.609289] lowmem_reserve[]: 0 0 0 0 0 [ 92.613534] Node 1 Normal free:3782652kB min:53612kB low:67012kB high:80412kB active_anon:0kB inactive_anon:0kB active_file:132kB inactive_file:0kB unevictable:0kB writepending:8kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 92.641440] lowmem_reserve[]: 0 0 0 0 0 [ 92.645487] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 92.659157] Node 0 DMA32: 1483*4kB (UM) 147*8kB (UME) 24*16kB (UME) 85*32kB (UME) 36*64kB (UM) 13*128kB (U) 8*256kB (U) 6*512kB (UME) 3*1024kB (U) 2*2048kB (UM) 468*4096kB (M) = 1943396kB [ 92.676167] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 92.686967] Node 1 Normal: 65*4kB (UE) 389*8kB (U) 273*16kB (UME) 58*32kB (UME) 18*64kB (UM) 10*128kB (UM) 5*256kB (UM) 4*512kB (U) 1*1024kB (M) 5*2048kB (UME) 917*4096kB (M) = 3782652kB [ 92.703877] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 92.712768] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 92.721714] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 92.730608] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 92.739246] 20013 total pagecache pages [ 92.743209] 0 pages in swap cache [ 92.746683] Swap cache stats: add 0, delete 0, find 0/0 executing program [ 92.752038] Free swap = 0kB [ 92.755123] Total swap = 0kB [ 92.758132] 1965979 pages RAM [ 92.761211] 0 pages HighMem/MovableOnly [ 92.765218] 339077 pages reserved [ 92.768658] 0 pages cma reserved [ 92.771998] Out of memory: Kill process 6585 (syz-executor515) score 999 or sacrifice child [ 92.780554] Killed process 6585 (syz-executor515) total-vm:17596kB, anon-rss:2128kB, file-rss:0kB, shmem-rss:0kB [ 92.791653] oom_reaper: reaped process 6585 (syz-executor515), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 92.811223] FAULT_INJECTION: forcing a failure. [ 92.811223] name failslab, interval 1, probability 0, space 0, times 0 [ 92.823036] CPU: 0 PID: 6591 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 92.830920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.840269] Call Trace: [ 92.842885] dump_stack+0x1b2/0x283 [ 92.846533] should_fail.cold+0x10a/0x154 [ 92.850682] should_failslab+0xd6/0x130 [ 92.854646] __kmalloc+0x2c1/0x400 [ 92.858164] ? __list_lru_init+0x67/0x710 [ 92.862291] __list_lru_init+0x67/0x710 [ 92.866245] sget_userns+0x504/0xc10 [ 92.869945] ? set_bdev_super+0x110/0x110 [ 92.874081] ? ns_test_super+0x50/0x50 [ 92.877946] ? set_bdev_super+0x110/0x110 [ 92.882067] ? ns_test_super+0x50/0x50 [ 92.885929] sget+0xd1/0x110 [ 92.888924] mount_bdev+0xcd/0x360 [ 92.892437] ? parse_options+0xd10/0xd10 [ 92.896475] mount_fs+0x92/0x2a0 [ 92.899817] vfs_kern_mount.part.0+0x5b/0x470 [ 92.904288] do_mount+0xe53/0x2a00 [ 92.907805] ? retint_kernel+0x2d/0x2d [ 92.911666] ? copy_mount_string+0x40/0x40 [ 92.915891] ? memset+0x20/0x40 [ 92.919144] ? copy_mount_options+0x1fa/0x2f0 [ 92.923632] ? copy_mnt_ns+0xa30/0xa30 [ 92.927541] SyS_mount+0xa8/0x120 [ 92.931029] ? copy_mnt_ns+0xa30/0xa30 [ 92.934894] do_syscall_64+0x1d5/0x640 [ 92.938759] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 92.943939] RIP: 0033:0x44a16a [ 92.947103] RSP: 002b:00007ffc917596d8 EFLAGS: 00000283 ORIG_RAX: 00000000000000a5 [ 92.954793] RAX: ffffffffffffffda RBX: 00007ffc91759720 RCX: 000000000044a16a executing program [ 92.962038] RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007ffc917596e0 [ 92.969282] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 92.976559] R10: 0000000000000000 R11: 0000000000000283 R12: 0000000000000005 [ 92.983818] R13: 00007ffc917596e0 R14: 0000000000000000 R15: 0000000000000005 [ 93.075015] FAULT_INJECTION: forcing a failure. [ 93.075015] name failslab, interval 1, probability 0, space 0, times 0 [ 93.087170] CPU: 0 PID: 6598 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 93.095049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.104393] Call Trace: [ 93.106959] dump_stack+0x1b2/0x283 [ 93.110567] should_fail.cold+0x10a/0x154 [ 93.114696] should_failslab+0xd6/0x130 [ 93.118698] __kmalloc+0x2c1/0x400 [ 93.122242] ? kobject_get_path+0xb8/0x1b0 [ 93.126458] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 93.131891] kobject_get_path+0xb8/0x1b0 [ 93.135930] kobject_uevent_env+0x21e/0xcb0 [ 93.140231] loop_clr_fd+0x59f/0xc20 [ 93.143921] lo_ioctl+0x895/0x1cd0 [ 93.147446] ? kasan_slab_free+0x12d/0x1a0 [ 93.151665] ? loop_set_status64+0xe0/0xe0 [ 93.155877] blkdev_ioctl+0x540/0x1830 [ 93.159741] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 93.165078] ? blkpg_ioctl+0x8d0/0x8d0 [ 93.168942] ? lock_downgrade+0x740/0x740 [ 93.173068] ? debug_check_no_obj_freed+0x2c0/0x674 [ 93.178064] block_ioctl+0xd9/0x120 [ 93.181664] ? blkdev_fallocate+0x3a0/0x3a0 [ 93.185963] do_vfs_ioctl+0x75a/0xff0 [ 93.189739] ? selinux_inode_setxattr+0x730/0x730 [ 93.194574] ? ioctl_preallocate+0x1a0/0x1a0 [ 93.198965] ? debug_object_activate+0x490/0x490 [ 93.203746] ? security_file_ioctl+0x83/0xb0 [ 93.208177] SyS_ioctl+0x7f/0xb0 [ 93.211549] ? do_vfs_ioctl+0xff0/0xff0 [ 93.215511] do_syscall_64+0x1d5/0x640 [ 93.219397] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 93.224577] RIP: 0033:0x4476b7 [ 93.227743] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 93.235440] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 93.242683] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 93.250027] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 93.257274] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 93.264522] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 93.298241] FAULT_INJECTION: forcing a failure. [ 93.298241] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 93.310150] CPU: 0 PID: 6602 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 93.318029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.327385] Call Trace: [ 93.329968] dump_stack+0x1b2/0x283 [ 93.333607] should_fail.cold+0x10a/0x154 [ 93.337744] __alloc_pages_nodemask+0x22c/0x2720 [ 93.342495] ? __lock_acquire+0x5fc/0x3f20 [ 93.346707] ? __lock_acquire+0x5fc/0x3f20 [ 93.350919] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 93.355742] ? __lock_acquire+0x5fc/0x3f20 [ 93.359964] alloc_pages_vma+0xd2/0x6d0 [ 93.363917] wp_page_copy+0x1f5/0x1ba0 [ 93.367799] ? tlb_flush_mmu_free+0x1a0/0x1a0 [ 93.372268] ? __lock_acquire+0x5fc/0x3f20 [ 93.376481] do_wp_page+0x245/0x1db0 [ 93.380171] ? __handle_mm_fault+0x129c/0x4620 [ 93.384730] ? finish_mkwrite_fault+0x5e0/0x5e0 [ 93.389427] __handle_mm_fault+0x234f/0x4620 [ 93.393812] ? vm_insert_page+0x7c0/0x7c0 [ 93.397937] ? lock_acquire+0x170/0x3f0 [ 93.401889] ? task_work_run+0xfd/0x190 [ 93.405845] handle_mm_fault+0x306/0x7a0 [ 93.409897] __do_page_fault+0x578/0xb50 [ 93.413935] ? spurious_fault+0x640/0x640 [ 93.418060] ? do_page_fault+0x60/0x4f2 [ 93.422011] ? page_fault+0x2f/0x50 [ 93.425645] page_fault+0x45/0x50 [ 93.429080] RIP: 6e1f80:0xc [ 93.431981] RSP: 0000:00000000006dae50 EFLAGS: 00000001 [ 93.433282] syz-executor515 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 [ 93.449263] syz-executor515 cpuset=/ mems_allowed=0-1 [ 93.454612] CPU: 0 PID: 6602 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 93.462482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.471810] Call Trace: [ 93.474392] dump_stack+0x1b2/0x283 [ 93.477998] dump_header+0x178/0x82f [ 93.481712] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 93.486793] ? ___ratelimit+0x2cd/0x522 [ 93.490745] oom_kill_process.cold+0x10/0xa69 [ 93.495233] ? lock_downgrade+0x740/0x740 [ 93.499366] out_of_memory+0x2dc/0x1190 [ 93.503315] ? pagefault_out_of_memory+0xaa/0xc9 [ 93.508050] ? oom_killer_disable+0x1c0/0x1c0 [ 93.512521] ? mutex_trylock+0x152/0x1a0 [ 93.516557] ? pagefault_out_of_memory+0xaa/0xc9 [ 93.521297] pagefault_out_of_memory+0xbb/0xc9 [ 93.525867] ? out_of_memory+0x1190/0x1190 [ 93.530079] ? lock_downgrade+0x740/0x740 [ 93.534224] mm_fault_error+0xad/0x2c0 [ 93.538111] __do_page_fault+0x9d1/0xb50 [ 93.542168] ? spurious_fault+0x640/0x640 [ 93.546291] ? do_page_fault+0x60/0x4f2 [ 93.550265] ? page_fault+0x2f/0x50 [ 93.553872] page_fault+0x45/0x50 [ 93.557309] RIP: 6e1f80:0xc [ 93.560231] RSP: 0000:00000000006dae50 EFLAGS: 00000001 [ 93.561096] Mem-Info: [ 93.568968] active_anon:3740 inactive_anon:4042 isolated_anon:0 [ 93.568968] active_file:6415 inactive_file:9395 isolated_file:0 [ 93.568968] unevictable:0 dirty:382 writeback:0 unstable:0 [ 93.568968] slab_reclaimable:15694 slab_unreclaimable:110378 [ 93.568968] mapped:4259 shmem:4210 pagetables:358 bounce:0 [ 93.568968] free:1435165 free_pcp:253 free_cma:0 [ 93.602981] Node 0 active_anon:14772kB inactive_anon:16168kB active_file:25528kB inactive_file:37592kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16868kB dirty:1524kB writeback:0kB shmem:16840kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 93.631227] Node 1 active_anon:0kB inactive_anon:0kB active_file:132kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 93.657299] Node 0 DMA free:15908kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 93.683577] lowmem_reserve[]: 0 2557 2557 2557 2557 [ 93.689089] Node 0 DMA32 free:1941528kB min:36272kB low:45340kB high:54408kB active_anon:14772kB inactive_anon:16168kB active_file:25528kB inactive_file:37592kB unevictable:0kB writepending:1532kB present:3129332kB managed:2621180kB mlocked:0kB kernel_stack:6144kB pagetables:1344kB bounce:0kB free_pcp:1176kB local_pcp:484kB free_cma:0kB [ 93.719106] lowmem_reserve[]: 0 0 0 0 0 [ 93.723089] Node 0 Normal free:0kB min:4kB low:4kB high:4kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:328kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 93.748954] lowmem_reserve[]: 0 0 0 0 0 [ 93.752947] Node 1 Normal free:3782652kB min:53612kB low:67012kB high:80412kB active_anon:0kB inactive_anon:0kB active_file:132kB inactive_file:0kB unevictable:0kB writepending:8kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 93.780592] lowmem_reserve[]: 0 0 0 0 0 [ 93.784654] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 93.798266] Node 0 DMA32: 1466*4kB (UME) 54*8kB (UME) 12*16kB (UME) 50*32kB (UME) 38*64kB (UME) 14*128kB (UE) 9*256kB (UE) 5*512kB (UM) 3*1024kB (U) 2*2048kB (UM) 468*4096kB (M) = 1941272kB [ 93.815795] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 93.826509] Node 1 Normal: 65*4kB (UE) 389*8kB (U) 273*16kB (UME) 58*32kB (UME) 18*64kB (UM) 10*128kB (UM) 5*256kB (UM) 4*512kB (U) 1*1024kB (M) 5*2048kB (UME) 917*4096kB (M) = 3782652kB [ 93.843590] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 93.852462] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 93.861087] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 93.869973] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 93.878595] 20025 total pagecache pages [ 93.882560] 0 pages in swap cache [ 93.886054] Swap cache stats: add 0, delete 0, find 0/0 [ 93.891406] Free swap = 0kB [ 93.894399] Total swap = 0kB [ 93.897462] 1965979 pages RAM executing program [ 93.900562] 0 pages HighMem/MovableOnly [ 93.904566] 339077 pages reserved [ 93.908007] 0 pages cma reserved [ 93.911350] Out of memory: Kill process 6602 (syz-executor515) score 999 or sacrifice child [ 93.919895] Killed process 6602 (syz-executor515) total-vm:17596kB, anon-rss:2128kB, file-rss:0kB, shmem-rss:0kB [ 93.931102] oom_reaper: reaped process 6602 (syz-executor515), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 93.994815] FAULT_INJECTION: forcing a failure. [ 93.994815] name failslab, interval 1, probability 0, space 0, times 0 [ 94.006497] CPU: 1 PID: 6609 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 94.014367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.023711] Call Trace: [ 94.026305] dump_stack+0x1b2/0x283 [ 94.029912] should_fail.cold+0x10a/0x154 [ 94.034039] should_failslab+0xd6/0x130 [ 94.037991] kmem_cache_alloc_trace+0x29a/0x3d0 [ 94.042636] ? dev_uevent_filter+0xd0/0xd0 [ 94.046864] kobject_uevent_env+0x1fa/0xcb0 [ 94.051189] loop_clr_fd+0x59f/0xc20 [ 94.054925] lo_ioctl+0x895/0x1cd0 [ 94.058457] ? kasan_slab_free+0x12d/0x1a0 [ 94.062665] ? loop_set_status64+0xe0/0xe0 [ 94.066877] blkdev_ioctl+0x540/0x1830 [ 94.070777] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 94.076115] ? blkpg_ioctl+0x8d0/0x8d0 [ 94.080008] ? lock_downgrade+0x740/0x740 [ 94.084135] ? debug_check_no_obj_freed+0x2c0/0x674 [ 94.089153] block_ioctl+0xd9/0x120 [ 94.092768] ? blkdev_fallocate+0x3a0/0x3a0 [ 94.097064] do_vfs_ioctl+0x75a/0xff0 [ 94.100854] ? selinux_inode_setxattr+0x730/0x730 [ 94.105673] ? ioctl_preallocate+0x1a0/0x1a0 [ 94.110082] ? debug_object_activate+0x490/0x490 [ 94.114824] ? security_file_ioctl+0x83/0xb0 [ 94.119207] SyS_ioctl+0x7f/0xb0 [ 94.122551] ? do_vfs_ioctl+0xff0/0xff0 [ 94.126503] do_syscall_64+0x1d5/0x640 [ 94.130384] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 94.135550] RIP: 0033:0x4476b7 executing program [ 94.138750] RSP: 002b:00007ffc917596d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 94.146432] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004476b7 [ 94.153675] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 94.160944] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 94.168195] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 94.175456] R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 [ 94.215446] FAULT_INJECTION: forcing a failure. [ 94.215446] name failslab, interval 1, probability 0, space 0, times 0 [ 94.227371] CPU: 1 PID: 6615 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 94.235265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.244651] Call Trace: [ 94.247238] dump_stack+0x1b2/0x283 [ 94.250888] should_fail.cold+0x10a/0x154 [ 94.255041] should_failslab+0xd6/0x130 [ 94.259078] __kmalloc+0x2c1/0x400 [ 94.262618] ? register_shrinker+0x1ab/0x220 [ 94.267023] register_shrinker+0x1ab/0x220 [ 94.271236] sget_userns+0x9aa/0xc10 [ 94.274931] ? set_bdev_super+0x110/0x110 [ 94.279065] ? ns_test_super+0x50/0x50 [ 94.282958] ? set_bdev_super+0x110/0x110 [ 94.287086] ? ns_test_super+0x50/0x50 [ 94.290955] sget+0xd1/0x110 [ 94.293985] mount_bdev+0xcd/0x360 [ 94.297516] ? parse_options+0xd10/0xd10 [ 94.301555] mount_fs+0x92/0x2a0 [ 94.304899] vfs_kern_mount.part.0+0x5b/0x470 [ 94.309371] do_mount+0xe53/0x2a00 [ 94.312888] ? retint_kernel+0x2d/0x2d [ 94.316758] ? copy_mount_string+0x40/0x40 [ 94.320972] ? memset+0x20/0x40 [ 94.324256] ? copy_mount_options+0x1fa/0x2f0 [ 94.328735] ? copy_mnt_ns+0xa30/0xa30 [ 94.332684] SyS_mount+0xa8/0x120 [ 94.336111] ? copy_mnt_ns+0xa30/0xa30 [ 94.339979] do_syscall_64+0x1d5/0x640 [ 94.343845] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 94.349030] RIP: 0033:0x44a16a [ 94.352217] RSP: 002b:00007ffc917596d8 EFLAGS: 00000283 ORIG_RAX: 00000000000000a5 [ 94.359931] RAX: ffffffffffffffda RBX: 00007ffc91759720 RCX: 000000000044a16a [ 94.367176] RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007ffc917596e0 [ 94.374424] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 94.381689] R10: 0000000000000000 R11: 0000000000000283 R12: 0000000000000005 [ 94.388934] R13: 00007ffc917596e0 R14: 0000000000000000 R15: 0000000000000005 [ 94.397327] ------------[ cut here ]------------ [ 94.402223] WARNING: CPU: 1 PID: 6615 at fs/super.c:1163 kill_block_super+0xbe/0xe0 [ 94.410007] Kernel panic - not syncing: panic_on_warn set ... [ 94.410007] [ 94.417364] CPU: 1 PID: 6615 Comm: syz-executor515 Not tainted 4.14.198-syzkaller #0 [ 94.425232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.434577] Call Trace: [ 94.437143] dump_stack+0x1b2/0x283 [ 94.440748] panic+0x1f9/0x42d [ 94.443933] ? add_taint.cold+0x16/0x16 [ 94.447884] ? kill_block_super+0xbe/0xe0 [ 94.452009] ? kill_block_super+0xbe/0xe0 [ 94.456147] __warn.cold+0x20/0x4b [ 94.459678] ? ist_end_non_atomic+0x10/0x10 [ 94.463972] ? kill_block_super+0xbe/0xe0 [ 94.468100] report_bug+0x208/0x249 [ 94.471710] do_error_trap+0x195/0x2d0 [ 94.475572] ? math_error+0x2d0/0x2d0 [ 94.479348] ? retint_kernel+0x2d/0x2d [ 94.483220] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 94.488042] invalid_op+0x1b/0x40 [ 94.491472] RIP: 0010:kill_block_super+0xbe/0xe0 [ 94.496198] RSP: 0018:ffff888086d07bc8 EFLAGS: 00010297 [ 94.501535] RAX: ffff8880a1066380 RBX: 0000000000000000 RCX: 1ffff1101420cd86 [ 94.508780] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880a698abb0 [ 94.516041] RBP: ffff8880a3cee380 R08: ffffffff8a082978 R09: 0000000000000001 [ 94.523287] R10: 0000000000000000 R11: ffff8880a1066380 R12: ffff8880a698a700 [ 94.530533] R13: ffffffff87f9ddf0 R14: ffffffff87d536a0 R15: dffffc0000000000 [ 94.537795] ? kill_block_super+0xbe/0xe0 [ 94.541920] deactivate_locked_super+0x6c/0xd0 [ 94.546479] sget_userns+0x9c4/0xc10 [ 94.550169] ? set_bdev_super+0x110/0x110 [ 94.554294] ? ns_test_super+0x50/0x50 [ 94.558157] ? set_bdev_super+0x110/0x110 [ 94.562286] ? ns_test_super+0x50/0x50 [ 94.566151] sget+0xd1/0x110 [ 94.569150] mount_bdev+0xcd/0x360 [ 94.572667] ? parse_options+0xd10/0xd10 [ 94.576709] mount_fs+0x92/0x2a0 [ 94.580090] vfs_kern_mount.part.0+0x5b/0x470 [ 94.584563] do_mount+0xe53/0x2a00 [ 94.588082] ? retint_kernel+0x2d/0x2d [ 94.592039] ? copy_mount_string+0x40/0x40 [ 94.596306] ? memset+0x20/0x40 [ 94.599563] ? copy_mount_options+0x1fa/0x2f0 [ 94.604032] ? copy_mnt_ns+0xa30/0xa30 [ 94.607933] SyS_mount+0xa8/0x120 [ 94.611376] ? copy_mnt_ns+0xa30/0xa30 [ 94.615248] do_syscall_64+0x1d5/0x640 [ 94.619119] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 94.624283] RIP: 0033:0x44a16a [ 94.627450] RSP: 002b:00007ffc917596d8 EFLAGS: 00000283 ORIG_RAX: 00000000000000a5 [ 94.635214] RAX: ffffffffffffffda RBX: 00007ffc91759720 RCX: 000000000044a16a [ 94.642598] RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007ffc917596e0 [ 94.649877] RBP: 0000000000000006 R08: 00007ffc91759720 R09: 6f6f6c2f7665642f [ 94.657136] R10: 0000000000000000 R11: 0000000000000283 R12: 0000000000000005 [ 94.664384] R13: 00007ffc917596e0 R14: 0000000000000000 R15: 0000000000000005 [ 94.673020] Kernel Offset: disabled [ 94.676701] Rebooting in 86400 seconds..