Warning: Permanently added '10.128.0.38' (ECDSA) to the list of known hosts. [ 44.861441] random: sshd: uninitialized urandom read (32 bytes read) [ 44.994219] audit: type=1400 audit(1577559601.905:36): avc: denied { map } for pid=7034 comm="syz-executor171" path="/root/syz-executor171153299" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 44.997908] FAULT_INJECTION: forcing a failure. [ 44.997908] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 45.033705] CPU: 1 PID: 7034 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 45.041759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.051466] Call Trace: [ 45.054459] dump_stack+0x142/0x197 [ 45.058173] should_fail.cold+0x10f/0x159 [ 45.062326] ? __might_sleep+0x93/0xb0 [ 45.066509] __alloc_pages_nodemask+0x1d6/0x7a0 [ 45.071297] ? __alloc_pages_slowpath+0x2930/0x2930 [ 45.076311] ? wp_page_copy+0x928/0x13d0 [ 45.080635] ? save_trace+0x290/0x290 [ 45.084802] ? get_task_policy.part.0+0x85/0xa0 [ 45.089474] alloc_pages_vma+0xc9/0x4c0 [ 45.093699] wp_page_copy+0x1f8/0x13d0 [ 45.097675] ? follow_pfn+0x220/0x220 [ 45.101478] ? do_raw_spin_unlock+0x16b/0x260 [ 45.105996] do_wp_page+0x24b/0x1250 [ 45.109809] ? finish_mkwrite_fault+0x620/0x620 [ 45.114500] __handle_mm_fault+0x1cc3/0x33d0 [ 45.119224] ? copy_page_range+0x1de0/0x1de0 [ 45.123708] ? find_held_lock+0x35/0x130 [ 45.127934] ? handle_mm_fault+0x1b6/0x7c0 [ 45.132211] handle_mm_fault+0x293/0x7c0 [ 45.136272] __do_page_fault+0x4c1/0xb80 [ 45.140334] ? vmalloc_fault+0xe30/0xe30 [ 45.144579] ? page_fault+0x2f/0x50 [ 45.148206] do_page_fault+0x71/0x511 [ 45.152080] ? page_fault+0x2f/0x50 [ 45.155751] page_fault+0x45/0x50 [ 45.161089] RIP: 0033:0x400efc [ 45.164387] RSP: 002b:00007ffe88070350 EFLAGS: 00010297 [ 45.169742] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000444daa [ 45.177323] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 45.184717] RBP: 00007ffe88070380 R08: 0000000000000000 R09: 0000000000c3a940 [ 45.192011] R10: 0000000000c3ac10 R11: 0000000000000246 R12: 00007ffe88070420 [ 45.200673] R13: 0000000000403730 R14: 0000000000000000 R15: 0000000000000000 [ 45.209114] syz-executor171 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=0 [ 45.219560] syz-executor171 cpuset=/ mems_allowed=0-1 [ 45.225228] CPU: 0 PID: 7034 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 45.233207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.242961] Call Trace: [ 45.245583] dump_stack+0x142/0x197 [ 45.249992] dump_header+0x177/0x6cd [ 45.253737] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 45.258852] ? ___ratelimit+0x55/0x537 [ 45.262772] oom_kill_process.cold+0x10/0xadd [ 45.267282] ? oom_unkillable_task+0x294/0x390 [ 45.271863] ? lock_downgrade+0x740/0x740 [ 45.276039] out_of_memory+0x2ee/0x1180 [ 45.280137] ? lock_acquire+0x16f/0x430 [ 45.284211] ? oom_killer_disable+0x1d0/0x1d0 [ 45.288712] ? mutex_trylock+0x168/0x1c0 [ 45.292770] ? pagefault_out_of_memory+0xb8/0xd7 [ 45.297660] pagefault_out_of_memory+0xc9/0xd7 [ 45.302406] ? out_of_memory+0x1180/0x1180 [ 45.306643] ? lock_downgrade+0x740/0x740 [ 45.310945] mm_fault_error+0xb6/0x2c0 [ 45.314838] __do_page_fault+0xa35/0xb80 [ 45.319014] ? vmalloc_fault+0xe30/0xe30 [ 45.323187] ? page_fault+0x2f/0x50 [ 45.327032] do_page_fault+0x71/0x511 [ 45.330835] ? page_fault+0x2f/0x50 [ 45.334467] page_fault+0x45/0x50 [ 45.337913] RIP: 0033:0x400efc [ 45.341183] RSP: 002b:00007ffe88070350 EFLAGS: 00010297 [ 45.346626] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000444daa [ 45.353892] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 45.361161] RBP: 00007ffe88070380 R08: 0000000000000000 R09: 0000000000c3a940 [ 45.368696] R10: 0000000000c3ac10 R11: 0000000000000246 R12: 00007ffe88070420 [ 45.375969] R13: 0000000000403730 R14: 0000000000000000 R15: 0000000000000000 [ 45.383929] Mem-Info: [ 45.386439] active_anon:3907 inactive_anon:191 isolated_anon:0 [ 45.386439] active_file:4138 inactive_file:7000 isolated_file:0 [ 45.386439] unevictable:0 dirty:5479 writeback:0 unstable:0 [ 45.386439] slab_reclaimable:13209 slab_unreclaimable:92625 [ 45.386439] mapped:1914 shmem:242 pagetables:312 bounce:0 [ 45.386439] free:1466704 free_pcp:280 free_cma:0 [ 45.420143] Node 0 active_anon:15628kB inactive_anon:764kB active_file:16412kB inactive_file:28000kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:7656kB dirty:21908kB writeback:0kB shmem:968kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 45.448275] Node 1 active_anon:0kB inactive_anon:0kB active_file:140kB 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 [ 45.474792] Node 0 DMA free:15908kB min:216kB low:268kB high:320kB 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 [ 45.501837] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 45.506895] Node 0 DMA32 free:2069116kB min:36380kB low:45472kB high:54564kB active_anon:15628kB inactive_anon:764kB active_file:16412kB inactive_file:28000kB unevictable:0kB writepending:21908kB present:3129332kB managed:2634384kB mlocked:0kB kernel_stack:5920kB pagetables:1248kB bounce:0kB free_pcp:1116kB local_pcp:328kB free_cma:0kB [ 45.538240] lowmem_reserve[]: 0 0 0 0 0 [ 45.542668] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 45.568832] lowmem_reserve[]: 0 0 0 0 0 [ 45.572921] Node 1 Normal free:3781784kB min:53508kB low:66884kB high:80260kB active_anon:0kB inactive_anon:0kB active_file:140kB 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 [ 45.602542] lowmem_reserve[]: 0 0 0 0 0 [ 45.606845] 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 [ 45.620538] Node 0 DMA32: 1485*4kB (UME) 385*8kB (UME) 1976*16kB (UME) 1168*32kB (UME) 425*64kB (UME) 259*128kB (UME) 116*256kB (UME) 61*512kB (UM) 34*1024kB (ME) 16*2048kB (UM) 440*4096kB (M) = 2069116kB [ 45.639169] 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 [ 45.650593] Node 1 Normal: 48*4kB (U) 373*8kB (UME) 265*16kB (UE) 69*32kB (UM) 14*64kB (UME) 11*128kB (U) 8*256kB (UM) 1*512kB (U) 1*1024kB (M) 5*2048kB (UME) 917*4096kB (M) = 3781784kB [ 45.668443] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 45.677839] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 45.686930] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 45.696125] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 45.701334] IPVS: ftp: loaded support on port[0] = 21 [ 45.704915] 11382 total pagecache pages [ 45.714285] 0 pages in swap cache [ 45.717813] Swap cache stats: add 0, delete 0, find 0/0 [ 45.723579] Free swap = 0kB [ 45.727129] Total swap = 0kB [ 45.731092] 1965979 pages RAM [ 45.734388] 0 pages HighMem/MovableOnly [ 45.738761] 335858 pages reserved [ 45.742269] 0 pages cma reserved [ 45.745718] Out of memory: Kill process 6959 (restorecond) score 0 or sacrifice child [ 45.754359] Killed process 6959 (restorecond) total-vm:51708kB, anon-rss:4920kB, file-rss:1172kB, shmem-rss:0kB [ 45.785209] oom_reaper: reaped process 6959 (restorecond), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 46.458298] audit: type=1400 audit(1577559603.365:37): avc: denied { create } for pid=7036 comm="syz-executor171" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 46.485117] audit: type=1400 audit(1577559603.365:38): avc: denied { write } for pid=7036 comm="syz-executor171" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 46.488486] FAULT_INJECTION: forcing a failure. [ 46.488486] name failslab, interval 1, probability 0, space 0, times 1 [ 46.510482] audit: type=1400 audit(1577559603.365:39): avc: denied { read } for pid=7036 comm="syz-executor171" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 46.544392] CPU: 1 PID: 7047 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 46.544400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.561632] Call Trace: [ 46.564931] dump_stack+0x142/0x197 [ 46.568575] should_fail.cold+0x10f/0x159 [ 46.572771] should_failslab+0xdb/0x130 [ 46.576815] kmem_cache_alloc+0x2d7/0x780 [ 46.580956] ? __this_cpu_preempt_check+0x1d/0x30 [ 46.585799] ? recalc_bh_state+0x3b/0x170 [ 46.589958] alloc_buffer_head+0x24/0xe0 [ 46.594004] alloc_page_buffers+0xb7/0x200 [ 46.598224] __getblk_gfp+0x342/0x7c0 [ 46.602023] ? filemap_write_and_wait+0x8d/0xb0 [ 46.606693] __bread_gfp+0x2e/0x290 [ 46.610311] ext4_fill_super+0x581/0xb470 [ 46.614493] ? netdev_bits+0xb0/0xb0 [ 46.618210] ? format_decode+0x1d8/0x930 [ 46.622269] ? set_precision+0x150/0x150 [ 46.626361] ? ext4_calculate_overhead+0x1010/0x1010 [ 46.631452] ? snprintf+0xa5/0xd0 [ 46.634954] ? vsprintf+0x40/0x40 [ 46.638530] ? set_blocksize+0x270/0x300 [ 46.642584] ? set_bdev_super+0x120/0x120 [ 46.646719] mount_bdev+0x2be/0x370 [ 46.650329] ? mount_bdev+0x2be/0x370 [ 46.654140] ? ext4_calculate_overhead+0x1010/0x1010 [ 46.659246] ext4_mount+0x35/0x40 [ 46.662707] mount_fs+0x97/0x2a1 [ 46.666064] vfs_kern_mount.part.0+0x5e/0x3d0 [ 46.670568] do_mount+0x417/0x27d0 [ 46.674090] ? retint_kernel+0x2d/0x2d [ 46.677958] ? copy_mount_string+0x40/0x40 [ 46.682173] ? memset+0x32/0x40 [ 46.685445] ? copy_mount_options+0x1fe/0x2f0 [ 46.689922] SyS_mount+0xab/0x120 [ 46.693355] ? copy_mnt_ns+0x8c0/0x8c0 [ 46.697223] do_syscall_64+0x1e8/0x640 [ 46.701100] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.705983] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.711158] RIP: 0033:0x448f7a [ 46.715549] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 46.723334] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 46.730586] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 46.737845] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 46.745095] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 46.752356] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 46.765968] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 46.818831] FAULT_INJECTION: forcing a failure. [ 46.818831] name failslab, interval 1, probability 0, space 0, times 0 [ 46.830801] CPU: 0 PID: 7052 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 46.838700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.848049] Call Trace: [ 46.851320] dump_stack+0x142/0x197 [ 46.854934] should_fail.cold+0x10f/0x159 [ 46.859086] should_failslab+0xdb/0x130 [ 46.863103] kmem_cache_alloc+0x2d7/0x780 [ 46.867352] ? add_to_page_cache_lru+0x159/0x310 [ 46.872105] ? add_to_page_cache_locked+0x40/0x40 [ 46.876931] alloc_buffer_head+0x24/0xe0 [ 46.881020] alloc_page_buffers+0xb7/0x200 [ 46.885241] __getblk_gfp+0x342/0x7c0 [ 46.889024] ? filemap_write_and_wait+0x8d/0xb0 [ 46.893679] __bread_gfp+0x2e/0x290 [ 46.897294] ext4_fill_super+0x581/0xb470 [ 46.901430] ? netdev_bits+0xb0/0xb0 [ 46.905184] ? format_decode+0x1d8/0x930 [ 46.909318] ? set_precision+0x150/0x150 [ 46.913373] ? ext4_calculate_overhead+0x1010/0x1010 [ 46.918469] ? snprintf+0xa5/0xd0 [ 46.921905] ? vsprintf+0x40/0x40 [ 46.925367] ? set_blocksize+0x270/0x300 [ 46.929415] ? set_bdev_super+0x120/0x120 [ 46.933645] mount_bdev+0x2be/0x370 [ 46.937298] ? mount_bdev+0x2be/0x370 [ 46.941117] ? ext4_calculate_overhead+0x1010/0x1010 [ 46.946210] ext4_mount+0x35/0x40 [ 46.949675] mount_fs+0x97/0x2a1 [ 46.953060] vfs_kern_mount.part.0+0x5e/0x3d0 [ 46.957549] do_mount+0x417/0x27d0 [ 46.961175] ? retint_kernel+0x2d/0x2d [ 46.965049] ? copy_mount_string+0x40/0x40 [ 46.969267] ? memset+0x32/0x40 [ 46.972547] ? copy_mount_options+0x1fe/0x2f0 [ 46.977049] SyS_mount+0xab/0x120 [ 46.980482] ? copy_mnt_ns+0x8c0/0x8c0 [ 46.984352] do_syscall_64+0x1e8/0x640 [ 46.988408] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.993257] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.998450] RIP: 0033:0x448f7a [ 47.001622] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 47.009314] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 47.016569] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 47.023832] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 47.031090] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000001 [ 47.038354] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 47.049009] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 47.085764] FAULT_INJECTION: forcing a failure. [ 47.085764] name failslab, interval 1, probability 0, space 0, times 0 [ 47.097730] CPU: 0 PID: 7054 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 47.105621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.114981] Call Trace: [ 47.117584] dump_stack+0x142/0x197 [ 47.121229] should_fail.cold+0x10f/0x159 [ 47.125402] should_failslab+0xdb/0x130 [ 47.129393] kmem_cache_alloc+0x2d7/0x780 [ 47.134591] ? __this_cpu_preempt_check+0x1d/0x30 [ 47.139562] ? recalc_bh_state+0x3b/0x170 [ 47.143701] alloc_buffer_head+0x24/0xe0 [ 47.147766] alloc_page_buffers+0xb7/0x200 [ 47.151998] __getblk_gfp+0x342/0x7c0 [ 47.155798] ? filemap_write_and_wait+0x8d/0xb0 [ 47.160471] __bread_gfp+0x2e/0x290 [ 47.164387] ext4_fill_super+0x581/0xb470 [ 47.168545] ? netdev_bits+0xb0/0xb0 [ 47.172246] ? format_decode+0x1d8/0x930 [ 47.176834] ? set_precision+0x150/0x150 [ 47.180899] ? ext4_calculate_overhead+0x1010/0x1010 [ 47.186002] ? snprintf+0xa5/0xd0 [ 47.189446] ? vsprintf+0x40/0x40 [ 47.192903] ? set_blocksize+0x270/0x300 [ 47.196955] ? set_bdev_super+0x120/0x120 [ 47.201109] mount_bdev+0x2be/0x370 [ 47.204877] ? mount_bdev+0x2be/0x370 [ 47.208680] ? ext4_calculate_overhead+0x1010/0x1010 [ 47.213774] ext4_mount+0x35/0x40 [ 47.217404] mount_fs+0x97/0x2a1 [ 47.220756] vfs_kern_mount.part.0+0x5e/0x3d0 [ 47.225236] do_mount+0x417/0x27d0 [ 47.228759] ? retint_kernel+0x2d/0x2d [ 47.232631] ? copy_mount_string+0x40/0x40 [ 47.236851] ? memset+0x32/0x40 [ 47.240114] ? copy_mount_options+0x1fe/0x2f0 [ 47.244592] SyS_mount+0xab/0x120 [ 47.249069] ? copy_mnt_ns+0x8c0/0x8c0 [ 47.252954] do_syscall_64+0x1e8/0x640 [ 47.257010] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.261867] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.267070] RIP: 0033:0x448f7a [ 47.270265] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 47.277993] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 47.285268] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 47.292824] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 47.300152] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 47.307411] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 47.320971] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 47.371105] IPVS: ftp: loaded support on port[0] = 21 [ 47.373215] FAULT_INJECTION: forcing a failure. [ 47.373215] name failslab, interval 1, probability 0, space 0, times 0 [ 47.388234] CPU: 0 PID: 7060 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 47.396128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.405878] Call Trace: [ 47.408482] dump_stack+0x142/0x197 [ 47.412115] should_fail.cold+0x10f/0x159 [ 47.416263] should_failslab+0xdb/0x130 [ 47.420235] kmem_cache_alloc+0x2d7/0x780 [ 47.424364] ? __this_cpu_preempt_check+0x1d/0x30 [ 47.429189] ? recalc_bh_state+0x3b/0x170 [ 47.433318] alloc_buffer_head+0x24/0xe0 [ 47.437446] alloc_page_buffers+0xb7/0x200 [ 47.441664] __getblk_gfp+0x342/0x7c0 [ 47.445447] ? filemap_write_and_wait+0x8d/0xb0 [ 47.450103] __bread_gfp+0x2e/0x290 [ 47.453725] ext4_fill_super+0x581/0xb470 [ 47.457876] ? netdev_bits+0xb0/0xb0 [ 47.461629] ? format_decode+0x1d8/0x930 [ 47.465695] ? set_precision+0x150/0x150 [ 47.469749] ? ext4_calculate_overhead+0x1010/0x1010 [ 47.474839] ? snprintf+0xa5/0xd0 [ 47.478312] ? vsprintf+0x40/0x40 [ 47.481763] ? set_blocksize+0x270/0x300 [ 47.485803] ? set_bdev_super+0x120/0x120 [ 47.490124] mount_bdev+0x2be/0x370 [ 47.493731] ? mount_bdev+0x2be/0x370 [ 47.497520] ? ext4_calculate_overhead+0x1010/0x1010 [ 47.502796] ext4_mount+0x35/0x40 [ 47.506242] mount_fs+0x97/0x2a1 [ 47.509596] vfs_kern_mount.part.0+0x5e/0x3d0 [ 47.514085] do_mount+0x417/0x27d0 [ 47.517625] ? retint_kernel+0x2d/0x2d [ 47.521508] ? copy_mount_string+0x40/0x40 [ 47.525722] ? memset+0x32/0x40 [ 47.529105] ? copy_mount_options+0x1fe/0x2f0 [ 47.533601] SyS_mount+0xab/0x120 [ 47.537267] ? copy_mnt_ns+0x8c0/0x8c0 [ 47.541154] do_syscall_64+0x1e8/0x640 [ 47.545462] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.550308] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.555500] RIP: 0033:0x448f7a [ 47.558675] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 47.566366] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 47.573616] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 47.580877] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 47.588134] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 47.595496] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 47.605674] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 47.657704] FAULT_INJECTION: forcing a failure. [ 47.657704] name failslab, interval 1, probability 0, space 0, times 0 [ 47.669391] CPU: 0 PID: 7064 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 47.677293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.686652] Call Trace: [ 47.689249] dump_stack+0x142/0x197 [ 47.692880] should_fail.cold+0x10f/0x159 [ 47.697143] should_failslab+0xdb/0x130 [ 47.701097] kmem_cache_alloc+0x2d7/0x780 [ 47.705243] ? __this_cpu_preempt_check+0x1d/0x30 [ 47.710248] ? recalc_bh_state+0x3b/0x170 [ 47.714379] alloc_buffer_head+0x24/0xe0 [ 47.718421] alloc_page_buffers+0xb7/0x200 [ 47.722649] __getblk_gfp+0x342/0x7c0 [ 47.726448] ? filemap_write_and_wait+0x8d/0xb0 [ 47.731799] __bread_gfp+0x2e/0x290 [ 47.735415] ext4_fill_super+0x581/0xb470 [ 47.739566] ? netdev_bits+0xb0/0xb0 [ 47.743269] ? format_decode+0x1d8/0x930 [ 47.747328] ? set_precision+0x150/0x150 [ 47.751391] ? ext4_calculate_overhead+0x1010/0x1010 [ 47.756476] ? snprintf+0xa5/0xd0 [ 47.759909] ? vsprintf+0x40/0x40 [ 47.763430] ? set_blocksize+0x270/0x300 [ 47.767730] ? set_bdev_super+0x120/0x120 [ 47.771858] mount_bdev+0x2be/0x370 [ 47.775460] ? mount_bdev+0x2be/0x370 [ 47.779237] ? ext4_calculate_overhead+0x1010/0x1010 [ 47.784407] ext4_mount+0x35/0x40 [ 47.787839] mount_fs+0x97/0x2a1 [ 47.791189] vfs_kern_mount.part.0+0x5e/0x3d0 [ 47.795665] do_mount+0x417/0x27d0 [ 47.799185] ? retint_kernel+0x2d/0x2d [ 47.803053] ? copy_mount_string+0x40/0x40 [ 47.807267] ? memset+0x32/0x40 [ 47.810525] ? copy_mount_options+0x1fe/0x2f0 [ 47.814999] SyS_mount+0xab/0x120 [ 47.818446] ? copy_mnt_ns+0x8c0/0x8c0 [ 47.822337] do_syscall_64+0x1e8/0x640 [ 47.826211] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.831060] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.836251] RIP: 0033:0x448f7a [ 47.839440] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 47.847897] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 47.855154] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 47.862410] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 47.869692] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 47.877268] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 47.888503] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 47.927518] FAULT_INJECTION: forcing a failure. [ 47.927518] name failslab, interval 1, probability 0, space 0, times 0 [ 47.939027] CPU: 0 PID: 7069 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 47.946918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.956278] Call Trace: [ 47.958876] dump_stack+0x142/0x197 [ 47.962515] should_fail.cold+0x10f/0x159 [ 47.966687] should_failslab+0xdb/0x130 [ 47.970642] kmem_cache_alloc+0x2d7/0x780 [ 47.974769] ? __this_cpu_preempt_check+0x1d/0x30 [ 47.979604] ? recalc_bh_state+0x3b/0x170 [ 47.983746] alloc_buffer_head+0x24/0xe0 [ 47.987790] alloc_page_buffers+0xb7/0x200 [ 47.992013] __getblk_gfp+0x342/0x7c0 [ 47.995795] ? filemap_write_and_wait+0x8d/0xb0 [ 48.000454] __bread_gfp+0x2e/0x290 [ 48.004073] ext4_fill_super+0x581/0xb470 [ 48.008311] ? netdev_bits+0xb0/0xb0 [ 48.012026] ? format_decode+0x1d8/0x930 [ 48.016069] ? set_precision+0x150/0x150 [ 48.020130] ? ext4_calculate_overhead+0x1010/0x1010 [ 48.025210] ? snprintf+0xa5/0xd0 [ 48.028646] ? vsprintf+0x40/0x40 [ 48.032082] ? set_blocksize+0x270/0x300 [ 48.036120] ? set_bdev_super+0x120/0x120 [ 48.040264] mount_bdev+0x2be/0x370 [ 48.043881] ? mount_bdev+0x2be/0x370 [ 48.047858] ? ext4_calculate_overhead+0x1010/0x1010 [ 48.053183] ext4_mount+0x35/0x40 [ 48.057104] mount_fs+0x97/0x2a1 [ 48.060475] vfs_kern_mount.part.0+0x5e/0x3d0 [ 48.064971] do_mount+0x417/0x27d0 [ 48.068600] ? retint_kernel+0x2d/0x2d [ 48.072506] ? copy_mount_string+0x40/0x40 [ 48.076728] ? memset+0x32/0x40 [ 48.079991] ? copy_mount_options+0x1fe/0x2f0 [ 48.084473] SyS_mount+0xab/0x120 [ 48.087906] ? copy_mnt_ns+0x8c0/0x8c0 [ 48.091778] do_syscall_64+0x1e8/0x640 [ 48.095648] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.100510] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.105838] RIP: 0033:0x448f7a [ 48.109011] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 48.116971] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 48.124224] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 48.131473] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 48.138730] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005 [ 48.145980] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 48.157525] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 48.217768] FAULT_INJECTION: forcing a failure. [ 48.217768] name failslab, interval 1, probability 0, space 0, times 0 [ 48.229481] CPU: 1 PID: 7074 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 48.237473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.246831] Call Trace: [ 48.249432] dump_stack+0x142/0x197 [ 48.253081] should_fail.cold+0x10f/0x159 [ 48.257359] should_failslab+0xdb/0x130 [ 48.261330] kmem_cache_alloc+0x2d7/0x780 [ 48.265487] ? add_to_page_cache_lru+0x159/0x310 [ 48.270238] ? add_to_page_cache_locked+0x40/0x40 [ 48.275098] alloc_buffer_head+0x24/0xe0 [ 48.279172] alloc_page_buffers+0xb7/0x200 [ 48.283412] __getblk_gfp+0x342/0x7c0 [ 48.287200] ? filemap_write_and_wait+0x8d/0xb0 [ 48.291856] __bread_gfp+0x2e/0x290 [ 48.295486] ext4_fill_super+0x581/0xb470 [ 48.299617] ? netdev_bits+0xb0/0xb0 [ 48.303312] ? format_decode+0x1d8/0x930 [ 48.307366] ? set_precision+0x150/0x150 [ 48.311417] ? ext4_calculate_overhead+0x1010/0x1010 [ 48.316513] ? snprintf+0xa5/0xd0 [ 48.319944] ? vsprintf+0x40/0x40 [ 48.323388] ? set_blocksize+0x270/0x300 [ 48.327430] ? set_bdev_super+0x120/0x120 [ 48.331560] mount_bdev+0x2be/0x370 [ 48.335351] ? mount_bdev+0x2be/0x370 [ 48.339130] ? ext4_calculate_overhead+0x1010/0x1010 [ 48.344229] ext4_mount+0x35/0x40 [ 48.347810] mount_fs+0x97/0x2a1 [ 48.351175] vfs_kern_mount.part.0+0x5e/0x3d0 [ 48.355658] do_mount+0x417/0x27d0 [ 48.359193] ? retint_kernel+0x2d/0x2d [ 48.363083] ? copy_mount_string+0x40/0x40 [ 48.367305] ? memset+0x32/0x40 [ 48.370587] ? copy_mount_options+0x1fe/0x2f0 [ 48.375079] SyS_mount+0xab/0x120 [ 48.378519] ? copy_mnt_ns+0x8c0/0x8c0 [ 48.382401] do_syscall_64+0x1e8/0x640 [ 48.386270] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.391098] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.396278] RIP: 0033:0x448f7a [ 48.399452] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 48.407154] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 48.414411] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 48.421666] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 48.428941] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000006 [ 48.436210] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 48.447410] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 48.489601] FAULT_INJECTION: forcing a failure. [ 48.489601] name failslab, interval 1, probability 0, space 0, times 0 [ 48.501182] CPU: 0 PID: 7080 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 48.509076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.518667] Call Trace: [ 48.521248] dump_stack+0x142/0x197 [ 48.524877] should_fail.cold+0x10f/0x159 [ 48.529018] should_failslab+0xdb/0x130 [ 48.533187] kmem_cache_alloc+0x2d7/0x780 [ 48.537347] ? __this_cpu_preempt_check+0x1d/0x30 [ 48.542267] ? recalc_bh_state+0x3b/0x170 [ 48.546400] alloc_buffer_head+0x24/0xe0 [ 48.550542] alloc_page_buffers+0xb7/0x200 [ 48.554759] __getblk_gfp+0x342/0x7c0 [ 48.559154] ? filemap_write_and_wait+0x8d/0xb0 [ 48.563808] __bread_gfp+0x2e/0x290 [ 48.567413] ext4_fill_super+0x581/0xb470 [ 48.571542] ? netdev_bits+0xb0/0xb0 [ 48.575347] ? format_decode+0x1d8/0x930 [ 48.579407] ? set_precision+0x150/0x150 [ 48.583468] ? ext4_calculate_overhead+0x1010/0x1010 [ 48.588560] ? snprintf+0xa5/0xd0 [ 48.591995] ? vsprintf+0x40/0x40 [ 48.595439] ? set_blocksize+0x270/0x300 [ 48.600461] ? set_bdev_super+0x120/0x120 [ 48.604688] mount_bdev+0x2be/0x370 [ 48.608306] ? mount_bdev+0x2be/0x370 [ 48.612101] ? ext4_calculate_overhead+0x1010/0x1010 [ 48.617186] ext4_mount+0x35/0x40 [ 48.620705] mount_fs+0x97/0x2a1 [ 48.624058] vfs_kern_mount.part.0+0x5e/0x3d0 [ 48.628545] do_mount+0x417/0x27d0 [ 48.632065] ? retint_kernel+0x2d/0x2d [ 48.635939] ? copy_mount_string+0x40/0x40 [ 48.640155] ? memset+0x32/0x40 [ 48.643418] ? copy_mount_options+0x1fe/0x2f0 [ 48.647893] SyS_mount+0xab/0x120 [ 48.651337] ? copy_mnt_ns+0x8c0/0x8c0 [ 48.655205] do_syscall_64+0x1e8/0x640 [ 48.659071] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.663906] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.669075] RIP: 0033:0x448f7a [ 48.672243] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 48.679937] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 48.687209] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 48.694544] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 48.701796] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000007 [ 48.709322] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 48.719832] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 48.758418] FAULT_INJECTION: forcing a failure. [ 48.758418] name failslab, interval 1, probability 0, space 0, times 0 [ 48.769983] CPU: 1 PID: 7084 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 48.777885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.787254] Call Trace: [ 48.789856] dump_stack+0x142/0x197 [ 48.793573] should_fail.cold+0x10f/0x159 [ 48.798153] should_failslab+0xdb/0x130 [ 48.802116] kmem_cache_alloc+0x2d7/0x780 [ 48.806317] ? __this_cpu_preempt_check+0x1d/0x30 [ 48.811157] ? recalc_bh_state+0x3b/0x170 [ 48.815291] alloc_buffer_head+0x24/0xe0 [ 48.819345] alloc_page_buffers+0xb7/0x200 [ 48.823571] __getblk_gfp+0x342/0x7c0 [ 48.827357] ? filemap_write_and_wait+0x8d/0xb0 [ 48.832012] __bread_gfp+0x2e/0x290 [ 48.835708] ext4_fill_super+0x581/0xb470 [ 48.839837] ? netdev_bits+0xb0/0xb0 [ 48.843539] ? format_decode+0x1d8/0x930 [ 48.847584] ? set_precision+0x150/0x150 [ 48.851660] ? ext4_calculate_overhead+0x1010/0x1010 [ 48.856749] ? snprintf+0xa5/0xd0 [ 48.860206] ? vsprintf+0x40/0x40 [ 48.863647] ? set_blocksize+0x270/0x300 [ 48.867697] ? set_bdev_super+0x120/0x120 [ 48.871830] mount_bdev+0x2be/0x370 [ 48.875452] ? mount_bdev+0x2be/0x370 [ 48.879244] ? ext4_calculate_overhead+0x1010/0x1010 [ 48.884335] ext4_mount+0x35/0x40 [ 48.887771] mount_fs+0x97/0x2a1 [ 48.891123] vfs_kern_mount.part.0+0x5e/0x3d0 [ 48.895663] do_mount+0x417/0x27d0 [ 48.899233] ? retint_kernel+0x2d/0x2d [ 48.903116] ? copy_mount_string+0x40/0x40 [ 48.907374] ? memset+0x32/0x40 [ 48.910910] ? copy_mount_options+0x1fe/0x2f0 [ 48.915464] SyS_mount+0xab/0x120 [ 48.919438] ? copy_mnt_ns+0x8c0/0x8c0 [ 48.923320] do_syscall_64+0x1e8/0x640 [ 48.927204] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.932036] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.937207] RIP: 0033:0x448f7a [ 48.940378] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 48.948067] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 48.955412] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 48.962682] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 48.969946] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000008 [ 48.977288] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 48.987338] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 49.037732] FAULT_INJECTION: forcing a failure. [ 49.037732] name failslab, interval 1, probability 0, space 0, times 0 [ 49.049984] CPU: 1 PID: 7088 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 49.057987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.067366] Call Trace: [ 49.070055] dump_stack+0x142/0x197 [ 49.073703] should_fail.cold+0x10f/0x159 [ 49.077870] should_failslab+0xdb/0x130 [ 49.081870] kmem_cache_alloc+0x2d7/0x780 [ 49.086016] ? __this_cpu_preempt_check+0x1d/0x30 [ 49.090862] ? recalc_bh_state+0x3b/0x170 [ 49.095000] alloc_buffer_head+0x24/0xe0 [ 49.099224] alloc_page_buffers+0xb7/0x200 [ 49.103506] __getblk_gfp+0x342/0x7c0 [ 49.107329] ? filemap_write_and_wait+0x8d/0xb0 [ 49.112005] __bread_gfp+0x2e/0x290 [ 49.115624] ext4_fill_super+0x581/0xb470 [ 49.119782] ? netdev_bits+0xb0/0xb0 [ 49.123493] ? format_decode+0x1d8/0x930 [ 49.127546] ? set_precision+0x150/0x150 [ 49.131797] ? ext4_calculate_overhead+0x1010/0x1010 [ 49.136915] ? snprintf+0xa5/0xd0 [ 49.140840] ? vsprintf+0x40/0x40 [ 49.144302] ? set_blocksize+0x270/0x300 [ 49.148361] ? set_bdev_super+0x120/0x120 [ 49.152502] mount_bdev+0x2be/0x370 [ 49.156119] ? mount_bdev+0x2be/0x370 [ 49.160159] ? ext4_calculate_overhead+0x1010/0x1010 [ 49.165261] ext4_mount+0x35/0x40 [ 49.168704] mount_fs+0x97/0x2a1 [ 49.172058] vfs_kern_mount.part.0+0x5e/0x3d0 [ 49.176553] do_mount+0x417/0x27d0 [ 49.180102] ? retint_kernel+0x2d/0x2d [ 49.184008] ? copy_mount_string+0x40/0x40 [ 49.188325] ? memset+0x32/0x40 [ 49.191651] ? copy_mount_options+0x1fe/0x2f0 [ 49.196231] SyS_mount+0xab/0x120 [ 49.199785] ? copy_mnt_ns+0x8c0/0x8c0 [ 49.203682] do_syscall_64+0x1e8/0x640 [ 49.209045] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.213883] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.219070] RIP: 0033:0x448f7a [ 49.222375] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 49.230084] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 49.237360] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 49.245590] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 49.252855] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000009 [ 49.260231] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 49.270357] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 49.329068] FAULT_INJECTION: forcing a failure. [ 49.329068] name failslab, interval 1, probability 0, space 0, times 0 [ 49.340866] CPU: 1 PID: 7094 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 49.348770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.358132] Call Trace: [ 49.360736] dump_stack+0x142/0x197 [ 49.364370] should_fail.cold+0x10f/0x159 [ 49.368625] should_failslab+0xdb/0x130 [ 49.372641] kmem_cache_alloc+0x2d7/0x780 [ 49.376774] ? __this_cpu_preempt_check+0x1d/0x30 [ 49.381602] ? recalc_bh_state+0x3b/0x170 [ 49.385798] alloc_buffer_head+0x24/0xe0 [ 49.389935] alloc_page_buffers+0xb7/0x200 [ 49.394166] __getblk_gfp+0x342/0x7c0 [ 49.397968] ? filemap_write_and_wait+0x8d/0xb0 [ 49.402714] __bread_gfp+0x2e/0x290 [ 49.406338] ext4_fill_super+0x581/0xb470 [ 49.410471] ? netdev_bits+0xb0/0xb0 [ 49.414165] ? format_decode+0x1d8/0x930 [ 49.418220] ? set_precision+0x150/0x150 [ 49.422271] ? ext4_calculate_overhead+0x1010/0x1010 [ 49.427355] ? snprintf+0xa5/0xd0 [ 49.430788] ? vsprintf+0x40/0x40 [ 49.434236] ? set_blocksize+0x270/0x300 [ 49.438276] ? set_bdev_super+0x120/0x120 [ 49.442407] mount_bdev+0x2be/0x370 [ 49.446015] ? mount_bdev+0x2be/0x370 [ 49.449796] ? ext4_calculate_overhead+0x1010/0x1010 [ 49.454887] ext4_mount+0x35/0x40 [ 49.458336] mount_fs+0x97/0x2a1 [ 49.461685] vfs_kern_mount.part.0+0x5e/0x3d0 [ 49.466163] do_mount+0x417/0x27d0 [ 49.469684] ? retint_kernel+0x2d/0x2d [ 49.473576] ? copy_mount_string+0x40/0x40 [ 49.477795] ? memset+0x32/0x40 [ 49.481096] ? copy_mount_options+0x1fe/0x2f0 [ 49.485590] SyS_mount+0xab/0x120 [ 49.489042] ? copy_mnt_ns+0x8c0/0x8c0 [ 49.492933] do_syscall_64+0x1e8/0x640 [ 49.496812] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.501648] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.506819] RIP: 0033:0x448f7a [ 49.510003] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 49.517768] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 49.525063] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 49.532334] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 49.539599] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000000a [ 49.546855] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 49.557242] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 49.607698] FAULT_INJECTION: forcing a failure. [ 49.607698] name failslab, interval 1, probability 0, space 0, times 0 [ 49.619334] CPU: 1 PID: 7098 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 49.627528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.636891] Call Trace: [ 49.639488] dump_stack+0x142/0x197 [ 49.643121] should_fail.cold+0x10f/0x159 [ 49.647392] should_failslab+0xdb/0x130 [ 49.651476] kmem_cache_alloc+0x2d7/0x780 [ 49.655620] ? add_to_page_cache_lru+0x159/0x310 [ 49.660485] ? add_to_page_cache_locked+0x40/0x40 [ 49.665325] alloc_buffer_head+0x24/0xe0 [ 49.669501] alloc_page_buffers+0xb7/0x200 [ 49.673734] __getblk_gfp+0x342/0x7c0 [ 49.677523] ? filemap_write_and_wait+0x8d/0xb0 [ 49.682185] __bread_gfp+0x2e/0x290 [ 49.685799] ext4_fill_super+0x581/0xb470 [ 49.689947] ? netdev_bits+0xb0/0xb0 [ 49.693643] ? format_decode+0x1d8/0x930 [ 49.697689] ? set_precision+0x150/0x150 [ 49.701741] ? ext4_calculate_overhead+0x1010/0x1010 [ 49.706827] ? snprintf+0xa5/0xd0 [ 49.710291] ? vsprintf+0x40/0x40 [ 49.713742] ? set_blocksize+0x270/0x300 [ 49.717782] ? set_bdev_super+0x120/0x120 [ 49.721922] mount_bdev+0x2be/0x370 [ 49.725547] ? mount_bdev+0x2be/0x370 [ 49.729327] ? ext4_calculate_overhead+0x1010/0x1010 [ 49.734415] ext4_mount+0x35/0x40 [ 49.738026] mount_fs+0x97/0x2a1 [ 49.741389] vfs_kern_mount.part.0+0x5e/0x3d0 [ 49.745903] do_mount+0x417/0x27d0 [ 49.749446] ? retint_kernel+0x2d/0x2d [ 49.753329] ? copy_mount_string+0x40/0x40 [ 49.757564] ? memset+0x32/0x40 [ 49.760836] ? copy_mount_options+0x1fe/0x2f0 [ 49.765335] SyS_mount+0xab/0x120 [ 49.768796] ? copy_mnt_ns+0x8c0/0x8c0 [ 49.772679] do_syscall_64+0x1e8/0x640 [ 49.776561] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.781400] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.786583] RIP: 0033:0x448f7a [ 49.789752] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 49.797458] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 49.804793] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 49.812055] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 49.819311] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000000b [ 49.826560] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 49.836693] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 49.879775] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 49.920422] FAULT_INJECTION: forcing a failure. [ 49.920422] name failslab, interval 1, probability 0, space 0, times 0 [ 49.933651] CPU: 1 PID: 7104 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 49.942078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.942082] Call Trace: [ 49.942098] dump_stack+0x142/0x197 [ 49.942111] should_fail.cold+0x10f/0x159 [ 49.942124] should_failslab+0xdb/0x130 [ 49.942131] kmem_cache_alloc_trace+0x2e9/0x790 [ 49.942140] ? bd_set_size+0x89/0xb0 [ 49.942151] ? devm_device_remove_groups+0x50/0x50 [ 49.942160] kobject_uevent_env+0x378/0xc23 [ 49.942170] ? lock_downgrade+0x740/0x740 [ 49.942183] kobject_uevent+0x20/0x26 [ 49.954206] loop_clr_fd+0x4a7/0xae0 [ 49.961951] lo_ioctl+0x8ea/0x1ce0 [ 49.961961] ? SyS_mount+0xcf/0x120 [ 49.961969] ? loop_probe+0x160/0x160 [ 49.961979] blkdev_ioctl+0x96b/0x1860 [ 49.961989] ? blkpg_ioctl+0x980/0x980 [ 49.972260] ? __might_sleep+0x93/0xb0 [ 49.972272] block_ioctl+0xde/0x120 [ 49.972281] ? blkdev_fallocate+0x3b0/0x3b0 [ 49.972289] do_vfs_ioctl+0x7ae/0x1060 [ 49.972298] ? selinux_file_mprotect+0x5d0/0x5d0 [ 49.972307] ? ioctl_preallocate+0x1c0/0x1c0 [ 49.980943] ? trace_hardirqs_off+0xd/0x10 [ 49.980954] ? quarantine_put+0xfa/0x1a0 [ 49.980966] ? security_file_ioctl+0x7d/0xb0 [ 49.980972] ? security_file_ioctl+0x89/0xb0 [ 49.980983] SyS_ioctl+0x8f/0xc0 [ 49.980995] ? do_vfs_ioctl+0x1060/0x1060 [ 49.989549] do_syscall_64+0x1e8/0x640 [ 49.997032] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.004863] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.013464] RIP: 0033:0x4464c7 [ 50.013468] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.013477] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004464c7 [ 50.013481] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 50.013486] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 50.013490] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c [ 50.013494] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 50.052466] FAULT_INJECTION: forcing a failure. [ 50.052466] name failslab, interval 1, probability 0, space 0, times 0 [ 50.067647] CPU: 1 PID: 7107 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 50.076050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.076057] Call Trace: [ 50.084457] dump_stack+0x142/0x197 [ 50.099431] should_fail.cold+0x10f/0x159 [ 50.113940] ? __lock_is_held+0xb6/0x140 [ 50.113952] ? mempool_free+0x1d0/0x1d0 [ 50.113962] should_failslab+0xdb/0x130 [ 50.113970] kmem_cache_alloc+0x47/0x780 [ 50.113982] ? mempool_free+0x1d0/0x1d0 [ 50.128508] mempool_alloc_slab+0x47/0x60 [ 50.147569] mempool_alloc+0x138/0x300 [ 50.147578] ? __find_get_block+0x5c4/0xbf0 [ 50.147589] ? remove_element.isra.0+0x1b0/0x1b0 [ 50.147598] ? mark_held_locks+0xb1/0x100 [ 50.147607] ? save_trace+0x290/0x290 [ 50.147614] ? trace_hardirqs_on_caller+0x400/0x590 [ 50.147623] bio_alloc_bioset+0x368/0x680 [ 50.147634] ? bvec_alloc+0x2e0/0x2e0 [ 50.147640] ? __getblk_gfp+0x5c/0x7c0 [ 50.147650] submit_bh_wbc+0xf6/0x720 [ 50.147660] __bread_gfp+0x106/0x290 [ 50.159870] ext4_fill_super+0x581/0xb470 [ 50.167615] ? netdev_bits+0xb0/0xb0 [ 50.175632] ? format_decode+0x1d8/0x930 [ 50.183634] ? set_precision+0x150/0x150 [ 50.183653] ? ext4_calculate_overhead+0x1010/0x1010 [ 50.183662] ? snprintf+0xa5/0xd0 [ 50.183668] ? vsprintf+0x40/0x40 [ 50.183679] ? set_blocksize+0x270/0x300 [ 50.183686] ? set_bdev_super+0x120/0x120 [ 50.183698] mount_bdev+0x2be/0x370 [ 50.191815] ? mount_bdev+0x2be/0x370 [ 50.191822] ? ext4_calculate_overhead+0x1010/0x1010 [ 50.191832] ext4_mount+0x35/0x40 [ 50.191841] mount_fs+0x97/0x2a1 [ 50.191851] vfs_kern_mount.part.0+0x5e/0x3d0 [ 50.191861] do_mount+0x417/0x27d0 [ 50.191869] ? retint_kernel+0x2d/0x2d [ 50.191879] ? copy_mount_string+0x40/0x40 [ 50.191893] ? memset+0x32/0x40 [ 50.191901] ? copy_mount_options+0x1fe/0x2f0 [ 50.191911] SyS_mount+0xab/0x120 [ 50.200128] ? copy_mnt_ns+0x8c0/0x8c0 [ 50.200143] do_syscall_64+0x1e8/0x640 [ 50.200149] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.200162] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.200168] RIP: 0033:0x448f7a [ 50.200172] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 50.200180] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 50.200185] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 50.200189] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 50.200196] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000000d [ 50.209085] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 50.224931] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 50.416741] FAULT_INJECTION: forcing a failure. [ 50.416741] name failslab, interval 1, probability 0, space 0, times 0 [ 50.428311] CPU: 0 PID: 7112 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 50.436211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.445578] Call Trace: [ 50.445595] dump_stack+0x142/0x197 [ 50.445608] should_fail.cold+0x10f/0x159 [ 50.445621] should_failslab+0xdb/0x130 [ 50.445630] kmem_cache_alloc_trace+0x2e9/0x790 [ 50.454218] FAULT_INJECTION: forcing a failure. [ 50.454218] name failslab, interval 1, probability 0, space 0, times 0 [ 50.455970] ? memcpy+0x46/0x50 [ 50.455983] ext4_fill_super+0x11d/0xb470 [ 50.455993] ? netdev_bits+0xb0/0xb0 [ 50.486853] ? format_decode+0x1d8/0x930 [ 50.490924] ? set_precision+0x150/0x150 [ 50.494994] ? vsnprintf+0x290/0x1560 [ 50.498784] ? ext4_calculate_overhead+0x1010/0x1010 [ 50.503890] ? snprintf+0xa5/0xd0 [ 50.507349] ? vsprintf+0x40/0x40 [ 50.510816] ? set_blocksize+0x270/0x300 [ 50.514874] ? set_bdev_super+0x120/0x120 [ 50.519024] mount_bdev+0x2be/0x370 [ 50.522634] ? mount_bdev+0x2be/0x370 [ 50.526430] ? ext4_calculate_overhead+0x1010/0x1010 [ 50.531524] ext4_mount+0x35/0x40 [ 50.534967] mount_fs+0x97/0x2a1 [ 50.538333] vfs_kern_mount.part.0+0x5e/0x3d0 [ 50.542828] do_mount+0x417/0x27d0 [ 50.546353] ? retint_kernel+0x2d/0x2d [ 50.550237] ? copy_mount_string+0x40/0x40 [ 50.554453] ? memset+0x32/0x40 [ 50.557730] ? copy_mount_options+0x1fe/0x2f0 [ 50.562213] SyS_mount+0xab/0x120 [ 50.565652] ? copy_mnt_ns+0x8c0/0x8c0 [ 50.569566] do_syscall_64+0x1e8/0x640 [ 50.573438] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.578532] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.583718] RIP: 0033:0x448f7a [ 50.586892] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 50.594593] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 50.601848] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 50.609108] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 50.616376] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000000e [ 50.623650] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 50.630919] CPU: 1 PID: 7111 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 50.638814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.648444] Call Trace: [ 50.651039] dump_stack+0x142/0x197 [ 50.654678] should_fail.cold+0x10f/0x159 [ 50.658845] should_failslab+0xdb/0x130 [ 50.662962] kmem_cache_alloc+0x2d7/0x780 [ 50.667122] ? __this_cpu_preempt_check+0x1d/0x30 [ 50.672014] ? recalc_bh_state+0x3b/0x170 [ 50.676150] alloc_buffer_head+0x24/0xe0 [ 50.680194] alloc_page_buffers+0xb7/0x200 [ 50.684427] __getblk_gfp+0x342/0x7c0 [ 50.688218] ? filemap_write_and_wait+0x8d/0xb0 [ 50.692877] __bread_gfp+0x2e/0x290 [ 50.696497] ext4_fill_super+0x581/0xb470 [ 50.700636] ? netdev_bits+0xb0/0xb0 [ 50.704351] ? format_decode+0x1d8/0x930 [ 50.708398] ? set_precision+0x150/0x150 [ 50.712454] ? ext4_calculate_overhead+0x1010/0x1010 [ 50.717559] ? snprintf+0xa5/0xd0 [ 50.720997] ? vsprintf+0x40/0x40 [ 50.724454] ? set_blocksize+0x270/0x300 [ 50.728531] ? set_bdev_super+0x120/0x120 [ 50.732669] mount_bdev+0x2be/0x370 [ 50.736293] ? mount_bdev+0x2be/0x370 [ 50.740080] ? ext4_calculate_overhead+0x1010/0x1010 [ 50.745186] ext4_mount+0x35/0x40 [ 50.748633] mount_fs+0x97/0x2a1 [ 50.752007] vfs_kern_mount.part.0+0x5e/0x3d0 [ 50.756500] do_mount+0x417/0x27d0 [ 50.760203] ? retint_kernel+0x2d/0x2d [ 50.764081] ? copy_mount_string+0x40/0x40 [ 50.768303] ? memset+0x32/0x40 [ 50.771580] ? copy_mount_options+0x1fe/0x2f0 [ 50.776067] SyS_mount+0xab/0x120 [ 50.779499] ? copy_mnt_ns+0x8c0/0x8c0 [ 50.783384] do_syscall_64+0x1e8/0x640 [ 50.787253] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.792084] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.797255] RIP: 0033:0x448f7a [ 50.800427] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 50.808115] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 50.815457] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 50.822715] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 50.829967] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 50.837232] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 50.847199] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 50.862039] FAULT_INJECTION: forcing a failure. [ 50.862039] name failslab, interval 1, probability 0, space 0, times 0 [ 50.874011] CPU: 1 PID: 7118 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 50.881908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.891263] Call Trace: [ 50.893836] dump_stack+0x142/0x197 [ 50.897449] should_fail.cold+0x10f/0x159 [ 50.901574] ? submit_bh_wbc+0xf6/0x720 [ 50.905542] should_failslab+0xdb/0x130 [ 50.909496] kmem_cache_alloc+0x47/0x780 [ 50.913543] __debug_object_init+0x5b8/0x8e0 [ 50.917945] ? create_task_io_context+0x31/0x3d0 [ 50.922678] ? debug_object_destroy+0x250/0x250 [ 50.927327] ? __lockdep_init_map+0x10c/0x570 [ 50.931831] debug_object_init+0x16/0x20 [ 50.935892] __init_work+0x47/0x60 [ 50.939420] create_task_io_context+0x174/0x3d0 [ 50.944077] generic_make_request_checks+0x1505/0x1ac0 [ 50.949394] ? rcu_read_lock_sched_held+0x110/0x130 [ 50.954399] ? blk_cleanup_queue+0x610/0x610 [ 50.958842] ? trace_hardirqs_on+0x10/0x10 [ 50.963059] generic_make_request+0x7d/0xa40 [ 50.967450] ? blk_queue_enter+0x520/0x520 [ 50.971697] ? find_held_lock+0x35/0x130 [ 50.975822] ? guard_bio_eod+0x161/0x530 [ 50.979864] submit_bio+0x1a5/0x3f0 [ 50.983470] ? submit_bio+0x1a5/0x3f0 [ 50.987248] ? generic_make_request+0xa40/0xa40 [ 50.992256] ? guard_bio_eod+0x1fd/0x530 [ 50.996307] submit_bh_wbc+0x550/0x720 [ 51.000184] __bread_gfp+0x106/0x290 [ 51.003879] ext4_fill_super+0x581/0xb470 [ 51.008014] ? netdev_bits+0xb0/0xb0 [ 51.011708] ? format_decode+0x1d8/0x930 [ 51.015748] ? set_precision+0x150/0x150 [ 51.020759] ? ext4_calculate_overhead+0x1010/0x1010 [ 51.025843] ? snprintf+0xa5/0xd0 [ 51.029274] ? vsprintf+0x40/0x40 [ 51.033142] ? set_blocksize+0x270/0x300 [ 51.037184] ? set_bdev_super+0x120/0x120 [ 51.041329] mount_bdev+0x2be/0x370 [ 51.044956] ? mount_bdev+0x2be/0x370 [ 51.048742] ? ext4_calculate_overhead+0x1010/0x1010 [ 51.053847] ext4_mount+0x35/0x40 [ 51.057303] mount_fs+0x97/0x2a1 [ 51.060658] vfs_kern_mount.part.0+0x5e/0x3d0 [ 51.065160] do_mount+0x417/0x27d0 [ 51.068684] ? retint_kernel+0x2d/0x2d [ 51.072559] ? copy_mount_string+0x40/0x40 [ 51.076781] ? memset+0x32/0x40 [ 51.080044] ? copy_mount_options+0x1fe/0x2f0 [ 51.084537] SyS_mount+0xab/0x120 [ 51.087968] ? copy_mnt_ns+0x8c0/0x8c0 [ 51.091851] do_syscall_64+0x1e8/0x640 [ 51.095716] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.101423] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.106611] RIP: 0033:0x448f7a [ 51.109794] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 51.117494] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 51.125007] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 51.132282] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 51.139538] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000000f [ 51.146891] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 51.157193] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 51.167469] FAULT_INJECTION: forcing a failure. [ 51.167469] name failslab, interval 1, probability 0, space 0, times 0 [ 51.178963] CPU: 1 PID: 7122 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 51.186942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.196300] Call Trace: [ 51.198898] dump_stack+0x142/0x197 [ 51.202544] should_fail.cold+0x10f/0x159 [ 51.206702] should_failslab+0xdb/0x130 [ 51.210687] kmem_cache_alloc+0x2d7/0x780 [ 51.214844] ? __this_cpu_preempt_check+0x1d/0x30 [ 51.219688] ? recalc_bh_state+0x3b/0x170 [ 51.223822] alloc_buffer_head+0x24/0xe0 [ 51.227953] alloc_page_buffers+0xb7/0x200 [ 51.232178] __getblk_gfp+0x342/0x7c0 [ 51.236054] ? filemap_write_and_wait+0x8d/0xb0 [ 51.240753] __bread_gfp+0x2e/0x290 [ 51.244366] ext4_fill_super+0x581/0xb470 [ 51.248594] ? netdev_bits+0xb0/0xb0 [ 51.252304] ? format_decode+0x1d8/0x930 [ 51.256348] ? set_precision+0x150/0x150 [ 51.260410] ? ext4_calculate_overhead+0x1010/0x1010 [ 51.265730] ? snprintf+0xa5/0xd0 [ 51.269190] ? vsprintf+0x40/0x40 [ 51.272641] ? set_blocksize+0x270/0x300 [ 51.276687] ? set_bdev_super+0x120/0x120 [ 51.280842] mount_bdev+0x2be/0x370 [ 51.284451] ? mount_bdev+0x2be/0x370 [ 51.288250] ? ext4_calculate_overhead+0x1010/0x1010 [ 51.293339] ext4_mount+0x35/0x40 [ 51.296774] mount_fs+0x97/0x2a1 [ 51.300237] vfs_kern_mount.part.0+0x5e/0x3d0 [ 51.304866] do_mount+0x417/0x27d0 [ 51.308391] ? retint_kernel+0x2d/0x2d [ 51.312276] ? copy_mount_string+0x40/0x40 [ 51.316496] ? memset+0x32/0x40 [ 51.319758] ? copy_mount_options+0x1fe/0x2f0 [ 51.324234] SyS_mount+0xab/0x120 [ 51.327669] ? copy_mnt_ns+0x8c0/0x8c0 [ 51.331539] do_syscall_64+0x1e8/0x640 [ 51.335406] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.340241] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.345508] RIP: 0033:0x448f7a [ 51.348674] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 51.356376] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 51.363627] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 51.370888] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 51.378146] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000001 [ 51.385411] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 51.395236] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 51.407943] FAULT_INJECTION: forcing a failure. [ 51.407943] name failslab, interval 1, probability 0, space 0, times 0 [ 51.421299] CPU: 0 PID: 7128 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 51.429224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.438694] Call Trace: [ 51.441295] dump_stack+0x142/0x197 [ 51.444923] should_fail.cold+0x10f/0x159 [ 51.449059] should_failslab+0xdb/0x130 [ 51.453032] kmem_cache_alloc+0x2d7/0x780 [ 51.457163] ? add_to_page_cache_lru+0x159/0x310 [ 51.461901] ? add_to_page_cache_locked+0x40/0x40 [ 51.466726] alloc_buffer_head+0x24/0xe0 [ 51.470778] alloc_page_buffers+0xb7/0x200 [ 51.474999] __getblk_gfp+0x342/0x7c0 [ 51.478779] ? filemap_write_and_wait+0x8d/0xb0 [ 51.483431] __bread_gfp+0x2e/0x290 [ 51.487054] ext4_fill_super+0x581/0xb470 [ 51.491191] ? netdev_bits+0xb0/0xb0 [ 51.494918] ? format_decode+0x1d8/0x930 [ 51.498964] ? set_precision+0x150/0x150 [ 51.503014] ? ext4_calculate_overhead+0x1010/0x1010 [ 51.508101] ? snprintf+0xa5/0xd0 [ 51.511542] ? vsprintf+0x40/0x40 [ 51.514983] ? set_blocksize+0x270/0x300 [ 51.519053] ? set_bdev_super+0x120/0x120 [ 51.523202] mount_bdev+0x2be/0x370 [ 51.526812] ? mount_bdev+0x2be/0x370 [ 51.530591] ? ext4_calculate_overhead+0x1010/0x1010 [ 51.535679] ext4_mount+0x35/0x40 [ 51.539118] mount_fs+0x97/0x2a1 [ 51.542469] vfs_kern_mount.part.0+0x5e/0x3d0 [ 51.546950] do_mount+0x417/0x27d0 [ 51.550470] ? retint_kernel+0x2d/0x2d [ 51.554353] ? copy_mount_string+0x40/0x40 [ 51.558571] ? memset+0x32/0x40 [ 51.561832] ? copy_mount_options+0x1fe/0x2f0 [ 51.566311] SyS_mount+0xab/0x120 [ 51.569754] ? copy_mnt_ns+0x8c0/0x8c0 [ 51.573626] do_syscall_64+0x1e8/0x640 [ 51.577504] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.582333] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.587505] RIP: 0033:0x448f7a [ 51.590686] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 51.598673] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 51.605928] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 51.613178] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 51.620438] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000010 [ 51.627689] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 51.641503] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 51.661312] IPVS: ftp: loaded support on port[0] = 21 [ 51.669107] FAULT_INJECTION: forcing a failure. [ 51.669107] name failslab, interval 1, probability 0, space 0, times 0 [ 51.680484] CPU: 0 PID: 7134 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 51.688462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.697935] Call Trace: [ 51.700516] dump_stack+0x142/0x197 [ 51.704139] should_fail.cold+0x10f/0x159 [ 51.708273] should_failslab+0xdb/0x130 [ 51.712228] kmem_cache_alloc_trace+0x2e9/0x790 [ 51.716884] ext4_fill_super+0x208/0xb470 [ 51.721014] ? netdev_bits+0xb0/0xb0 [ 51.724707] ? format_decode+0x1d8/0x930 [ 51.728750] ? set_precision+0x150/0x150 [ 51.732795] ? vsnprintf+0x290/0x1560 [ 51.736584] ? ext4_calculate_overhead+0x1010/0x1010 [ 51.741680] ? snprintf+0xa5/0xd0 [ 51.745206] ? vsprintf+0x40/0x40 [ 51.748641] ? set_blocksize+0x270/0x300 [ 51.752702] ? set_bdev_super+0x120/0x120 [ 51.756863] mount_bdev+0x2be/0x370 [ 51.760483] ? mount_bdev+0x2be/0x370 [ 51.764267] ? ext4_calculate_overhead+0x1010/0x1010 [ 51.769365] ext4_mount+0x35/0x40 [ 51.772805] mount_fs+0x97/0x2a1 [ 51.776159] vfs_kern_mount.part.0+0x5e/0x3d0 [ 51.780637] do_mount+0x417/0x27d0 [ 51.784159] ? retint_kernel+0x2d/0x2d [ 51.788030] ? copy_mount_string+0x40/0x40 [ 51.792247] ? memset+0x32/0x40 [ 51.795524] ? copy_mount_options+0x1fe/0x2f0 [ 51.800000] SyS_mount+0xab/0x120 [ 51.803442] ? copy_mnt_ns+0x8c0/0x8c0 [ 51.807328] do_syscall_64+0x1e8/0x640 [ 51.811197] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.816023] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.821194] RIP: 0033:0x448f7a [ 51.824364] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 51.832054] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 51.839306] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 51.846556] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 51.853808] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 51.861066] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 51.883249] FAULT_INJECTION: forcing a failure. [ 51.883249] name failslab, interval 1, probability 0, space 0, times 0 [ 51.894744] CPU: 0 PID: 7139 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 51.902633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.912065] Call Trace: [ 51.914642] dump_stack+0x142/0x197 [ 51.918262] should_fail.cold+0x10f/0x159 [ 51.922393] should_failslab+0xdb/0x130 [ 51.926351] kmem_cache_alloc_trace+0x2e9/0x790 [ 51.931065] ext4_fill_super+0x208/0xb470 [ 51.935197] ? netdev_bits+0xb0/0xb0 [ 51.938893] ? format_decode+0x1d8/0x930 [ 51.942946] ? set_precision+0x150/0x150 [ 51.946990] ? vsnprintf+0x290/0x1560 [ 51.950813] ? ext4_calculate_overhead+0x1010/0x1010 [ 51.956246] ? snprintf+0xa5/0xd0 [ 51.959679] ? vsprintf+0x40/0x40 [ 51.963115] ? set_blocksize+0x270/0x300 [ 51.967163] ? set_bdev_super+0x120/0x120 [ 51.971292] mount_bdev+0x2be/0x370 [ 51.974897] ? mount_bdev+0x2be/0x370 [ 51.978743] ? ext4_calculate_overhead+0x1010/0x1010 [ 51.983829] ext4_mount+0x35/0x40 [ 51.987264] mount_fs+0x97/0x2a1 [ 51.990626] vfs_kern_mount.part.0+0x5e/0x3d0 [ 51.995229] do_mount+0x417/0x27d0 [ 51.998766] ? retint_kernel+0x2d/0x2d [ 52.002650] ? copy_mount_string+0x40/0x40 [ 52.006874] ? memset+0x32/0x40 [ 52.010139] ? copy_mount_options+0x1fe/0x2f0 [ 52.014618] SyS_mount+0xab/0x120 [ 52.018055] ? copy_mnt_ns+0x8c0/0x8c0 [ 52.021927] do_syscall_64+0x1e8/0x640 [ 52.025797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.030639] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.035811] RIP: 0033:0x448f7a [ 52.038981] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 52.046670] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 52.054009] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 52.061265] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 52.068524] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000011 [ 52.075775] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 52.097280] FAULT_INJECTION: forcing a failure. [ 52.097280] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 52.112247] CPU: 1 PID: 7142 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 52.120264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.129627] Call Trace: [ 52.132228] dump_stack+0x142/0x197 [ 52.135868] should_fail.cold+0x10f/0x159 [ 52.140090] __alloc_pages_nodemask+0x1d6/0x7a0 [ 52.144861] ? __alloc_pages_slowpath+0x2930/0x2930 [ 52.150216] cache_grow_begin+0x80/0x400 [ 52.154278] kmem_cache_alloc_trace+0x6b2/0x790 [ 52.158952] ext4_fill_super+0x208/0xb470 [ 52.163104] ? netdev_bits+0xb0/0xb0 [ 52.166808] ? format_decode+0x1d8/0x930 [ 52.170972] ? set_precision+0x150/0x150 [ 52.175030] ? vsnprintf+0x290/0x1560 [ 52.178828] ? ext4_calculate_overhead+0x1010/0x1010 [ 52.183927] ? snprintf+0xa5/0xd0 [ 52.187364] ? vsprintf+0x40/0x40 [ 52.190807] ? set_blocksize+0x270/0x300 [ 52.194849] ? set_bdev_super+0x120/0x120 [ 52.198980] mount_bdev+0x2be/0x370 [ 52.202593] ? mount_bdev+0x2be/0x370 [ 52.206375] ? ext4_calculate_overhead+0x1010/0x1010 [ 52.211565] ext4_mount+0x35/0x40 [ 52.215026] mount_fs+0x97/0x2a1 [ 52.218387] vfs_kern_mount.part.0+0x5e/0x3d0 [ 52.222895] do_mount+0x417/0x27d0 [ 52.226425] ? retint_kernel+0x2d/0x2d [ 52.230371] ? copy_mount_string+0x40/0x40 [ 52.234589] ? memset+0x32/0x40 [ 52.237906] ? copy_mount_options+0x1fe/0x2f0 [ 52.242532] SyS_mount+0xab/0x120 [ 52.245993] ? copy_mnt_ns+0x8c0/0x8c0 [ 52.249996] do_syscall_64+0x1e8/0x640 [ 52.253872] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.258701] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.263874] RIP: 0033:0x448f7a [ 52.267088] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 52.274787] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 52.282044] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 52.289299] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 52.296554] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 52.303821] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 52.312575] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 52.324446] FAULT_INJECTION: forcing a failure. [ 52.324446] name failslab, interval 1, probability 0, space 0, times 0 [ 52.336219] CPU: 1 PID: 7147 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 52.344258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.353792] Call Trace: [ 52.356386] dump_stack+0x142/0x197 [ 52.360030] should_fail.cold+0x10f/0x159 [ 52.364198] should_failslab+0xdb/0x130 [ 52.368171] kmem_cache_alloc+0x2d7/0x780 [ 52.372304] ? add_to_page_cache_lru+0x159/0x310 [ 52.377209] ? add_to_page_cache_locked+0x40/0x40 [ 52.382093] alloc_buffer_head+0x24/0xe0 [ 52.386146] alloc_page_buffers+0xb7/0x200 [ 52.390380] __getblk_gfp+0x342/0x7c0 [ 52.394176] ? filemap_write_and_wait+0x8d/0xb0 [ 52.398842] __bread_gfp+0x2e/0x290 [ 52.402465] ext4_fill_super+0x581/0xb470 [ 52.406611] ? netdev_bits+0xb0/0xb0 [ 52.410666] ? format_decode+0x1d8/0x930 [ 52.414724] ? set_precision+0x150/0x150 [ 52.418875] ? ext4_calculate_overhead+0x1010/0x1010 [ 52.423974] ? snprintf+0xa5/0xd0 [ 52.427410] ? vsprintf+0x40/0x40 [ 52.430849] ? set_blocksize+0x270/0x300 [ 52.434891] ? set_bdev_super+0x120/0x120 [ 52.439020] mount_bdev+0x2be/0x370 [ 52.442626] ? mount_bdev+0x2be/0x370 [ 52.446421] ? ext4_calculate_overhead+0x1010/0x1010 [ 52.451511] ext4_mount+0x35/0x40 [ 52.454948] mount_fs+0x97/0x2a1 [ 52.458297] vfs_kern_mount.part.0+0x5e/0x3d0 [ 52.462775] do_mount+0x417/0x27d0 [ 52.466295] ? retint_kernel+0x2d/0x2d [ 52.470262] ? copy_mount_string+0x40/0x40 [ 52.475543] ? memset+0x32/0x40 [ 52.478805] ? copy_mount_options+0x1fe/0x2f0 [ 52.483281] SyS_mount+0xab/0x120 [ 52.486715] ? copy_mnt_ns+0x8c0/0x8c0 [ 52.490586] do_syscall_64+0x1e8/0x640 [ 52.494452] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.499284] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.504457] RIP: 0033:0x448f7a [ 52.507636] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 52.515332] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 52.522601] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 52.529866] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 52.537307] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000012 [ 52.544572] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 52.556045] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 52.565006] FAULT_INJECTION: forcing a failure. [ 52.565006] name failslab, interval 1, probability 0, space 0, times 0 [ 52.576325] CPU: 1 PID: 7152 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 52.584241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.593688] Call Trace: [ 52.596286] dump_stack+0x142/0x197 [ 52.599930] should_fail.cold+0x10f/0x159 [ 52.604519] should_failslab+0xdb/0x130 [ 52.608485] kmem_cache_alloc+0x2d7/0x780 [ 52.612622] ? add_to_page_cache_lru+0x159/0x310 [ 52.617473] ? add_to_page_cache_locked+0x40/0x40 [ 52.622300] alloc_buffer_head+0x24/0xe0 [ 52.626345] alloc_page_buffers+0xb7/0x200 [ 52.630562] __getblk_gfp+0x342/0x7c0 [ 52.634358] ? filemap_write_and_wait+0x8d/0xb0 [ 52.639021] __bread_gfp+0x2e/0x290 [ 52.642646] ext4_fill_super+0x581/0xb470 [ 52.646785] ? netdev_bits+0xb0/0xb0 [ 52.650528] ? format_decode+0x1d8/0x930 [ 52.654596] ? set_precision+0x150/0x150 [ 52.658666] ? ext4_calculate_overhead+0x1010/0x1010 [ 52.663760] ? snprintf+0xa5/0xd0 [ 52.667194] ? vsprintf+0x40/0x40 [ 52.670658] ? set_blocksize+0x270/0x300 [ 52.674724] ? set_bdev_super+0x120/0x120 [ 52.678877] mount_bdev+0x2be/0x370 [ 52.682489] ? mount_bdev+0x2be/0x370 [ 52.686276] ? ext4_calculate_overhead+0x1010/0x1010 [ 52.691371] ext4_mount+0x35/0x40 [ 52.694811] mount_fs+0x97/0x2a1 [ 52.698181] vfs_kern_mount.part.0+0x5e/0x3d0 [ 52.702665] do_mount+0x417/0x27d0 [ 52.706189] ? retint_kernel+0x2d/0x2d [ 52.710070] ? copy_mount_string+0x40/0x40 [ 52.714297] ? memset+0x32/0x40 [ 52.717577] ? copy_mount_options+0x1fe/0x2f0 [ 52.722077] SyS_mount+0xab/0x120 [ 52.725529] ? copy_mnt_ns+0x8c0/0x8c0 [ 52.729430] do_syscall_64+0x1e8/0x640 [ 52.733362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.738205] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.743387] RIP: 0033:0x448f7a [ 52.746576] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 52.754271] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 52.761912] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 52.769182] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 52.776438] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 52.783692] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 52.793191] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 52.816851] FAULT_INJECTION: forcing a failure. [ 52.816851] name failslab, interval 1, probability 0, space 0, times 0 [ 52.830402] CPU: 1 PID: 7157 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 52.838317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.847768] Call Trace: [ 52.850464] dump_stack+0x142/0x197 [ 52.854103] should_fail.cold+0x10f/0x159 [ 52.858265] should_failslab+0xdb/0x130 [ 52.862249] kmem_cache_alloc+0x2d7/0x780 [ 52.866392] ? add_to_page_cache_lru+0x159/0x310 [ 52.866403] ? add_to_page_cache_locked+0x40/0x40 [ 52.866414] alloc_buffer_head+0x24/0xe0 [ 52.876007] alloc_page_buffers+0xb7/0x200 [ 52.876018] __getblk_gfp+0x342/0x7c0 [ 52.876029] ? filemap_write_and_wait+0x8d/0xb0 [ 52.882128] FAULT_INJECTION: forcing a failure. [ 52.882128] name failslab, interval 1, probability 0, space 0, times 0 [ 52.884306] __bread_gfp+0x2e/0x290 [ 52.884320] ext4_fill_super+0x581/0xb470 [ 52.915118] ? netdev_bits+0xb0/0xb0 [ 52.918817] ? format_decode+0x1d8/0x930 [ 52.922875] ? set_precision+0x150/0x150 [ 52.926931] ? ext4_calculate_overhead+0x1010/0x1010 [ 52.932046] ? snprintf+0xa5/0xd0 [ 52.935494] ? vsprintf+0x40/0x40 [ 52.938934] ? set_blocksize+0x270/0x300 [ 52.942985] ? set_bdev_super+0x120/0x120 [ 52.947134] mount_bdev+0x2be/0x370 [ 52.950756] ? mount_bdev+0x2be/0x370 [ 52.954558] ? ext4_calculate_overhead+0x1010/0x1010 [ 52.959674] ext4_mount+0x35/0x40 [ 52.963125] mount_fs+0x97/0x2a1 [ 52.966504] vfs_kern_mount.part.0+0x5e/0x3d0 [ 52.971010] do_mount+0x417/0x27d0 [ 52.974550] ? retint_kernel+0x2d/0x2d [ 52.978426] ? copy_mount_string+0x40/0x40 [ 52.982647] ? memset+0x32/0x40 [ 52.985915] ? copy_mount_options+0x1fe/0x2f0 [ 52.990401] SyS_mount+0xab/0x120 [ 52.993855] ? copy_mnt_ns+0x8c0/0x8c0 [ 52.997733] do_syscall_64+0x1e8/0x640 [ 53.001604] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.006453] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.011645] RIP: 0033:0x448f7a [ 53.014837] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 53.022534] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 53.029811] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 53.037293] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 53.044576] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000013 [ 53.051840] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 53.059132] CPU: 0 PID: 7161 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 53.062031] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 53.067036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.067041] Call Trace: [ 53.067057] dump_stack+0x142/0x197 [ 53.067070] should_fail.cold+0x10f/0x159 [ 53.067083] should_failslab+0xdb/0x130 [ 53.096634] kmem_cache_alloc+0x2d7/0x780 [ 53.100949] ? add_to_page_cache_lru+0x159/0x310 [ 53.105705] ? add_to_page_cache_locked+0x40/0x40 [ 53.110537] alloc_buffer_head+0x24/0xe0 [ 53.114608] alloc_page_buffers+0xb7/0x200 [ 53.118829] __getblk_gfp+0x342/0x7c0 [ 53.122614] ? filemap_write_and_wait+0x8d/0xb0 [ 53.127280] __bread_gfp+0x2e/0x290 [ 53.130888] ext4_fill_super+0x581/0xb470 [ 53.135034] ? netdev_bits+0xb0/0xb0 [ 53.138729] ? format_decode+0x1d8/0x930 [ 53.142812] ? set_precision+0x150/0x150 [ 53.146915] ? ext4_calculate_overhead+0x1010/0x1010 [ 53.152132] ? snprintf+0xa5/0xd0 [ 53.155573] ? vsprintf+0x40/0x40 [ 53.159018] ? set_blocksize+0x270/0x300 [ 53.163065] ? set_bdev_super+0x120/0x120 [ 53.167219] mount_bdev+0x2be/0x370 [ 53.170827] ? mount_bdev+0x2be/0x370 [ 53.174638] ? ext4_calculate_overhead+0x1010/0x1010 [ 53.179764] ext4_mount+0x35/0x40 [ 53.183201] mount_fs+0x97/0x2a1 [ 53.186552] vfs_kern_mount.part.0+0x5e/0x3d0 [ 53.191068] do_mount+0x417/0x27d0 [ 53.194596] ? retint_kernel+0x2d/0x2d [ 53.198692] ? copy_mount_string+0x40/0x40 [ 53.202922] ? memset+0x32/0x40 [ 53.206208] ? copy_mount_options+0x1fe/0x2f0 [ 53.210689] SyS_mount+0xab/0x120 [ 53.214197] ? copy_mnt_ns+0x8c0/0x8c0 [ 53.218093] do_syscall_64+0x1e8/0x640 [ 53.221981] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.226841] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.232029] RIP: 0033:0x448f7a [ 53.235215] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 53.242933] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 53.250256] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 53.257614] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 53.264868] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005 [ 53.272132] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 53.283193] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 53.330926] FAULT_INJECTION: forcing a failure. [ 53.330926] name failslab, interval 1, probability 0, space 0, times 0 [ 53.346215] CPU: 0 PID: 7166 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 53.354137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.363490] Call Trace: [ 53.363506] dump_stack+0x142/0x197 [ 53.363519] should_fail.cold+0x10f/0x159 [ 53.363531] should_failslab+0xdb/0x130 [ 53.363539] kmem_cache_alloc+0x2d7/0x780 [ 53.363547] ? __this_cpu_preempt_check+0x1d/0x30 [ 53.363555] ? recalc_bh_state+0x3b/0x170 [ 53.363564] alloc_buffer_head+0x24/0xe0 [ 53.363572] alloc_page_buffers+0xb7/0x200 [ 53.363583] __getblk_gfp+0x342/0x7c0 [ 53.363592] ? filemap_write_and_wait+0x8d/0xb0 [ 53.363605] __bread_gfp+0x2e/0x290 [ 53.373987] ext4_fill_super+0x581/0xb470 [ 53.386194] FAULT_INJECTION: forcing a failure. [ 53.386194] name failslab, interval 1, probability 0, space 0, times 0 [ 53.388001] ? netdev_bits+0xb0/0xb0 [ 53.431700] ? format_decode+0x1d8/0x930 [ 53.435748] ? set_precision+0x150/0x150 [ 53.439887] ? ext4_calculate_overhead+0x1010/0x1010 [ 53.444975] ? snprintf+0xa5/0xd0 [ 53.448424] ? vsprintf+0x40/0x40 [ 53.451864] ? set_blocksize+0x270/0x300 [ 53.455926] ? set_bdev_super+0x120/0x120 [ 53.460059] mount_bdev+0x2be/0x370 [ 53.463668] ? mount_bdev+0x2be/0x370 [ 53.467449] ? ext4_calculate_overhead+0x1010/0x1010 [ 53.472541] ext4_mount+0x35/0x40 [ 53.475977] mount_fs+0x97/0x2a1 [ 53.479325] vfs_kern_mount.part.0+0x5e/0x3d0 [ 53.483807] do_mount+0x417/0x27d0 [ 53.487331] ? retint_kernel+0x2d/0x2d [ 53.491203] ? copy_mount_string+0x40/0x40 [ 53.495434] ? memset+0x32/0x40 [ 53.498781] ? copy_mount_options+0x1fe/0x2f0 [ 53.503279] SyS_mount+0xab/0x120 [ 53.506715] ? copy_mnt_ns+0x8c0/0x8c0 [ 53.510589] do_syscall_64+0x1e8/0x640 [ 53.514458] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.519295] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.524566] RIP: 0033:0x448f7a [ 53.527737] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 53.535428] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 53.542701] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 53.549952] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 53.557205] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000014 [ 53.564457] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 53.571739] CPU: 1 PID: 7170 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 53.577142] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 53.579630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.579633] Call Trace: [ 53.579648] dump_stack+0x142/0x197 [ 53.579663] should_fail.cold+0x10f/0x159 [ 53.579675] should_failslab+0xdb/0x130 [ 53.610551] kmem_cache_alloc+0x2d7/0x780 [ 53.614841] ? __this_cpu_preempt_check+0x1d/0x30 [ 53.619670] ? recalc_bh_state+0x3b/0x170 [ 53.623811] alloc_buffer_head+0x24/0xe0 [ 53.627867] alloc_page_buffers+0xb7/0x200 [ 53.632183] __getblk_gfp+0x342/0x7c0 [ 53.635977] ? filemap_write_and_wait+0x8d/0xb0 [ 53.640648] __bread_gfp+0x2e/0x290 [ 53.644266] ext4_fill_super+0x581/0xb470 [ 53.648449] ? netdev_bits+0xb0/0xb0 [ 53.652159] ? format_decode+0x1d8/0x930 [ 53.656320] ? set_precision+0x150/0x150 [ 53.660404] ? ext4_calculate_overhead+0x1010/0x1010 [ 53.665504] ? snprintf+0xa5/0xd0 [ 53.668955] ? vsprintf+0x40/0x40 [ 53.672397] ? set_blocksize+0x270/0x300 [ 53.676461] ? set_bdev_super+0x120/0x120 [ 53.680596] mount_bdev+0x2be/0x370 [ 53.684207] ? mount_bdev+0x2be/0x370 [ 53.687990] ? ext4_calculate_overhead+0x1010/0x1010 [ 53.693080] ext4_mount+0x35/0x40 [ 53.696542] mount_fs+0x97/0x2a1 [ 53.699910] vfs_kern_mount.part.0+0x5e/0x3d0 [ 53.704402] do_mount+0x417/0x27d0 [ 53.707945] ? retint_kernel+0x2d/0x2d [ 53.711819] ? copy_mount_string+0x40/0x40 [ 53.716040] ? memset+0x32/0x40 [ 53.719302] ? copy_mount_options+0x1fe/0x2f0 [ 53.723782] SyS_mount+0xab/0x120 [ 53.727265] ? copy_mnt_ns+0x8c0/0x8c0 [ 53.731244] do_syscall_64+0x1e8/0x640 [ 53.735122] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.740063] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.745262] RIP: 0033:0x448f7a [ 53.748446] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 53.756146] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 53.763402] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 53.770662] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 53.777934] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000006 [ 53.785200] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 53.795512] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 53.818489] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 53.838662] FAULT_INJECTION: forcing a failure. [ 53.838662] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 53.850502] CPU: 1 PID: 7179 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 53.858380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.867831] Call Trace: [ 53.870408] dump_stack+0x142/0x197 [ 53.874041] should_fail.cold+0x10f/0x159 [ 53.878179] __alloc_pages_nodemask+0x1d6/0x7a0 [ 53.882831] ? __alloc_pages_slowpath+0x2930/0x2930 [ 53.887861] cache_grow_begin+0x80/0x400 [ 53.892427] kmem_cache_alloc_trace+0x6b2/0x790 [ 53.897093] ext4_fill_super+0x208/0xb470 [ 53.902009] ? netdev_bits+0xb0/0xb0 [ 53.905716] ? format_decode+0x1d8/0x930 [ 53.909758] ? set_precision+0x150/0x150 [ 53.913822] ? vsnprintf+0x290/0x1560 [ 53.917608] ? ext4_calculate_overhead+0x1010/0x1010 [ 53.922695] ? snprintf+0xa5/0xd0 [ 53.926129] ? vsprintf+0x40/0x40 [ 53.929571] ? set_blocksize+0x270/0x300 [ 53.933611] ? set_bdev_super+0x120/0x120 [ 53.937740] mount_bdev+0x2be/0x370 [ 53.941362] ? mount_bdev+0x2be/0x370 [ 53.945168] ? ext4_calculate_overhead+0x1010/0x1010 [ 53.950356] ext4_mount+0x35/0x40 [ 53.953803] mount_fs+0x97/0x2a1 [ 53.957155] vfs_kern_mount.part.0+0x5e/0x3d0 [ 53.961633] do_mount+0x417/0x27d0 [ 53.965166] ? retint_kernel+0x2d/0x2d [ 53.969034] ? copy_mount_string+0x40/0x40 [ 53.973251] ? memset+0x32/0x40 [ 53.976511] ? copy_mount_options+0x1fe/0x2f0 [ 53.980991] SyS_mount+0xab/0x120 [ 53.984420] ? copy_mnt_ns+0x8c0/0x8c0 [ 53.988288] do_syscall_64+0x1e8/0x640 [ 53.992243] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.997091] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.002281] RIP: 0033:0x448f7a [ 54.005459] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 54.013163] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 54.020417] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 54.027666] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 54.034932] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000007 [ 54.042205] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 54.050719] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 54.070432] FAULT_INJECTION: forcing a failure. [ 54.070432] name failslab, interval 1, probability 0, space 0, times 0 [ 54.083517] CPU: 0 PID: 7175 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 54.091439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.101145] Call Trace: [ 54.103767] dump_stack+0x142/0x197 [ 54.107417] should_fail.cold+0x10f/0x159 [ 54.111576] should_failslab+0xdb/0x130 [ 54.115555] kmem_cache_alloc_trace+0x2e9/0x790 [ 54.120229] ? bd_set_size+0x89/0xb0 [ 54.120241] ? devm_device_remove_groups+0x50/0x50 [ 54.120252] kobject_uevent_env+0x378/0xc23 [ 54.120261] ? lock_downgrade+0x740/0x740 [ 54.120274] kobject_uevent+0x20/0x26 [ 54.120282] loop_clr_fd+0x4a7/0xae0 [ 54.120293] lo_ioctl+0x8ea/0x1ce0 [ 54.129276] FAULT_INJECTION: forcing a failure. [ 54.129276] name failslab, interval 1, probability 0, space 0, times 0 [ 54.133285] ? SyS_mount+0xcf/0x120 [ 54.133295] ? loop_probe+0x160/0x160 [ 54.133305] blkdev_ioctl+0x96b/0x1860 [ 54.133313] ? blkpg_ioctl+0x980/0x980 [ 54.133327] ? __might_sleep+0x93/0xb0 [ 54.133342] block_ioctl+0xde/0x120 [ 54.183262] ? blkdev_fallocate+0x3b0/0x3b0 [ 54.187579] do_vfs_ioctl+0x7ae/0x1060 [ 54.191455] ? selinux_file_mprotect+0x5d0/0x5d0 [ 54.196198] ? ioctl_preallocate+0x1c0/0x1c0 [ 54.200617] ? trace_hardirqs_off+0xd/0x10 [ 54.204835] ? quarantine_put+0xfa/0x1a0 [ 54.208897] ? security_file_ioctl+0x7d/0xb0 [ 54.213900] ? security_file_ioctl+0x89/0xb0 [ 54.218292] SyS_ioctl+0x8f/0xc0 [ 54.221642] ? do_vfs_ioctl+0x1060/0x1060 [ 54.225788] do_syscall_64+0x1e8/0x640 [ 54.229660] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.234501] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.239762] RIP: 0033:0x4464c7 [ 54.242955] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.250648] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004464c7 [ 54.257918] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 54.265285] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 54.272552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 54.279832] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 54.287128] CPU: 1 PID: 7184 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 54.295034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.304399] Call Trace: [ 54.307001] dump_stack+0x142/0x197 [ 54.310645] should_fail.cold+0x10f/0x159 [ 54.314814] should_failslab+0xdb/0x130 [ 54.318967] kmem_cache_alloc_trace+0x2e9/0x790 [ 54.323638] ext4_fill_super+0x208/0xb470 [ 54.327788] ? netdev_bits+0xb0/0xb0 [ 54.331495] ? format_decode+0x1d8/0x930 [ 54.335609] ? set_precision+0x150/0x150 [ 54.339745] ? vsnprintf+0x290/0x1560 [ 54.343536] ? ext4_calculate_overhead+0x1010/0x1010 [ 54.348690] ? snprintf+0xa5/0xd0 [ 54.352253] ? vsprintf+0x40/0x40 [ 54.355708] ? set_blocksize+0x270/0x300 [ 54.359811] ? set_bdev_super+0x120/0x120 [ 54.363950] mount_bdev+0x2be/0x370 [ 54.367565] ? mount_bdev+0x2be/0x370 [ 54.371364] ? ext4_calculate_overhead+0x1010/0x1010 [ 54.376458] ext4_mount+0x35/0x40 [ 54.379901] mount_fs+0x97/0x2a1 [ 54.383255] vfs_kern_mount.part.0+0x5e/0x3d0 [ 54.387739] do_mount+0x417/0x27d0 [ 54.391270] ? retint_kernel+0x2d/0x2d [ 54.395152] ? copy_mount_string+0x40/0x40 [ 54.399369] ? memset+0x32/0x40 [ 54.402630] ? copy_mount_options+0x1fe/0x2f0 [ 54.407105] SyS_mount+0xab/0x120 [ 54.410543] ? copy_mnt_ns+0x8c0/0x8c0 [ 54.414434] do_syscall_64+0x1e8/0x640 [ 54.418303] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.423131] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.428421] RIP: 0033:0x448f7a [ 54.431738] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 54.439780] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 54.447039] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 54.454306] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 54.461567] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000008 [ 54.468817] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 54.482697] FAULT_INJECTION: forcing a failure. [ 54.482697] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 54.494549] CPU: 1 PID: 7189 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 54.502539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.511974] Call Trace: [ 54.514558] dump_stack+0x142/0x197 [ 54.518202] should_fail.cold+0x10f/0x159 [ 54.522344] __alloc_pages_nodemask+0x1d6/0x7a0 [ 54.527113] ? __alloc_pages_slowpath+0x2930/0x2930 [ 54.532126] cache_grow_begin+0x80/0x400 [ 54.536188] kmem_cache_alloc_trace+0x6b2/0x790 [ 54.540903] ext4_fill_super+0x208/0xb470 [ 54.545105] ? netdev_bits+0xb0/0xb0 [ 54.548806] ? format_decode+0x1d8/0x930 [ 54.552917] ? set_precision+0x150/0x150 [ 54.556965] ? vsnprintf+0x290/0x1560 [ 54.560801] ? ext4_calculate_overhead+0x1010/0x1010 [ 54.565909] ? snprintf+0xa5/0xd0 [ 54.569365] ? vsprintf+0x40/0x40 [ 54.572825] ? set_blocksize+0x270/0x300 [ 54.576938] ? set_bdev_super+0x120/0x120 [ 54.581080] mount_bdev+0x2be/0x370 [ 54.584833] ? mount_bdev+0x2be/0x370 [ 54.588685] ? ext4_calculate_overhead+0x1010/0x1010 [ 54.593799] ext4_mount+0x35/0x40 [ 54.597259] mount_fs+0x97/0x2a1 [ 54.600669] vfs_kern_mount.part.0+0x5e/0x3d0 [ 54.606240] do_mount+0x417/0x27d0 [ 54.609779] ? retint_kernel+0x2d/0x2d [ 54.613663] ? copy_mount_string+0x40/0x40 [ 54.617887] ? memset+0x32/0x40 [ 54.621153] ? copy_mount_options+0x1fe/0x2f0 [ 54.625657] SyS_mount+0xab/0x120 [ 54.629137] ? copy_mnt_ns+0x8c0/0x8c0 [ 54.633067] do_syscall_64+0x1e8/0x640 [ 54.636940] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.641780] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.647100] RIP: 0033:0x448f7a [ 54.650291] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 54.657992] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 54.665305] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 54.672572] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 54.679841] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000016 [ 54.687116] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 54.695138] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 54.717645] FAULT_INJECTION: forcing a failure. [ 54.717645] name failslab, interval 1, probability 0, space 0, times 0 [ 54.729019] CPU: 1 PID: 7193 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 54.736903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.746261] Call Trace: [ 54.748870] dump_stack+0x142/0x197 [ 54.752510] should_fail.cold+0x10f/0x159 [ 54.756669] should_failslab+0xdb/0x130 [ 54.760996] kmem_cache_alloc+0x2d7/0x780 [ 54.765127] ? add_to_page_cache_lru+0x159/0x310 [ 54.769869] ? add_to_page_cache_locked+0x40/0x40 [ 54.774714] alloc_buffer_head+0x24/0xe0 [ 54.778760] alloc_page_buffers+0xb7/0x200 [ 54.782989] __getblk_gfp+0x342/0x7c0 [ 54.786823] ? filemap_write_and_wait+0x8d/0xb0 [ 54.791527] __bread_gfp+0x2e/0x290 [ 54.795139] ext4_fill_super+0x581/0xb470 [ 54.799274] ? netdev_bits+0xb0/0xb0 [ 54.802983] ? format_decode+0x1d8/0x930 [ 54.807031] ? set_precision+0x150/0x150 [ 54.811098] ? ext4_calculate_overhead+0x1010/0x1010 [ 54.816205] ? snprintf+0xa5/0xd0 [ 54.819639] ? vsprintf+0x40/0x40 [ 54.823092] ? set_blocksize+0x270/0x300 [ 54.827248] ? set_bdev_super+0x120/0x120 [ 54.831405] mount_bdev+0x2be/0x370 [ 54.835016] ? mount_bdev+0x2be/0x370 [ 54.838813] ? ext4_calculate_overhead+0x1010/0x1010 [ 54.843920] ext4_mount+0x35/0x40 [ 54.847373] mount_fs+0x97/0x2a1 [ 54.850731] vfs_kern_mount.part.0+0x5e/0x3d0 [ 54.855234] do_mount+0x417/0x27d0 [ 54.858761] ? retint_kernel+0x2d/0x2d [ 54.862657] ? copy_mount_string+0x40/0x40 [ 54.866875] ? memset+0x32/0x40 [ 54.870161] ? copy_mount_options+0x1fe/0x2f0 [ 54.874645] SyS_mount+0xab/0x120 [ 54.878084] ? copy_mnt_ns+0x8c0/0x8c0 [ 54.881955] do_syscall_64+0x1e8/0x640 [ 54.885829] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.890656] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.895845] RIP: 0033:0x448f7a [ 54.899014] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 54.906834] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 54.914090] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 54.921348] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 54.928623] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000009 [ 54.935880] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 54.946418] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 54.959286] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 54.996924] FAULT_INJECTION: forcing a failure. [ 54.996924] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 55.008903] CPU: 1 PID: 7202 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 55.016791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.026142] Call Trace: [ 55.028721] dump_stack+0x142/0x197 [ 55.032337] should_fail.cold+0x10f/0x159 [ 55.036486] __alloc_pages_nodemask+0x1d6/0x7a0 [ 55.041143] ? __alloc_pages_slowpath+0x2930/0x2930 [ 55.046147] cache_grow_begin+0x80/0x400 [ 55.050206] kmem_cache_alloc_trace+0x6b2/0x790 [ 55.055208] ext4_fill_super+0x208/0xb470 [ 55.059351] ? netdev_bits+0xb0/0xb0 [ 55.063057] ? format_decode+0x1d8/0x930 [ 55.067101] ? set_precision+0x150/0x150 [ 55.071150] ? vsnprintf+0x290/0x1560 [ 55.074954] ? ext4_calculate_overhead+0x1010/0x1010 [ 55.080046] ? snprintf+0xa5/0xd0 [ 55.083492] ? vsprintf+0x40/0x40 [ 55.087045] ? set_blocksize+0x270/0x300 [ 55.091280] ? set_bdev_super+0x120/0x120 [ 55.095498] mount_bdev+0x2be/0x370 [ 55.099143] ? mount_bdev+0x2be/0x370 [ 55.102938] ? ext4_calculate_overhead+0x1010/0x1010 [ 55.108042] ext4_mount+0x35/0x40 [ 55.111496] mount_fs+0x97/0x2a1 [ 55.114857] vfs_kern_mount.part.0+0x5e/0x3d0 [ 55.119394] do_mount+0x417/0x27d0 [ 55.122931] ? retint_kernel+0x2d/0x2d [ 55.126804] ? copy_mount_string+0x40/0x40 [ 55.131022] ? memset+0x32/0x40 [ 55.134299] ? copy_mount_options+0x1fe/0x2f0 [ 55.138776] SyS_mount+0xab/0x120 [ 55.142224] ? copy_mnt_ns+0x8c0/0x8c0 [ 55.146106] do_syscall_64+0x1e8/0x640 [ 55.150108] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.154962] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.160153] RIP: 0033:0x448f7a [ 55.163343] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 55.171035] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 55.178425] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 55.185704] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 55.193136] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000000a [ 55.200506] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 55.208909] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 55.215232] FAULT_INJECTION: forcing a failure. [ 55.215232] name failslab, interval 1, probability 0, space 0, times 0 [ 55.227096] CPU: 0 PID: 7198 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 55.235085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.244423] Call Trace: [ 55.247003] dump_stack+0x142/0x197 [ 55.250650] should_fail.cold+0x10f/0x159 [ 55.254786] should_failslab+0xdb/0x130 [ 55.258743] kmem_cache_alloc_trace+0x2e9/0x790 [ 55.263417] ? bd_set_size+0x89/0xb0 [ 55.267116] ? devm_device_remove_groups+0x50/0x50 [ 55.272028] kobject_uevent_env+0x378/0xc23 [ 55.276350] ? lock_downgrade+0x740/0x740 [ 55.280493] kobject_uevent+0x20/0x26 [ 55.284295] loop_clr_fd+0x4a7/0xae0 [ 55.287994] lo_ioctl+0x8ea/0x1ce0 [ 55.291518] ? SyS_mount+0xcf/0x120 [ 55.295126] ? loop_probe+0x160/0x160 [ 55.298935] blkdev_ioctl+0x96b/0x1860 [ 55.302805] ? blkpg_ioctl+0x980/0x980 [ 55.306767] ? __might_sleep+0x93/0xb0 [ 55.310670] block_ioctl+0xde/0x120 [ 55.314281] ? blkdev_fallocate+0x3b0/0x3b0 [ 55.318657] do_vfs_ioctl+0x7ae/0x1060 [ 55.322565] ? selinux_file_mprotect+0x5d0/0x5d0 [ 55.327307] ? ioctl_preallocate+0x1c0/0x1c0 [ 55.331704] ? trace_hardirqs_off+0xd/0x10 [ 55.335940] ? quarantine_put+0xfa/0x1a0 [ 55.340029] ? security_file_ioctl+0x7d/0xb0 [ 55.344582] ? security_file_ioctl+0x89/0xb0 [ 55.348994] SyS_ioctl+0x8f/0xc0 [ 55.352359] ? do_vfs_ioctl+0x1060/0x1060 [ 55.356493] do_syscall_64+0x1e8/0x640 [ 55.360425] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.365326] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.370498] RIP: 0033:0x4464c7 [ 55.373670] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.381422] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004464c7 [ 55.388706] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 [ 55.395968] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 55.403242] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000017 [ 55.410535] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 55.432866] FAULT_INJECTION: forcing a failure. [ 55.432866] name failslab, interval 1, probability 0, space 0, times 0 [ 55.445549] FAULT_INJECTION: forcing a failure. [ 55.445549] name failslab, interval 1, probability 0, space 0, times 0 [ 55.450959] CPU: 1 PID: 7208 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 55.464690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.474032] Call Trace: [ 55.476608] dump_stack+0x142/0x197 [ 55.480226] should_fail.cold+0x10f/0x159 [ 55.484378] should_failslab+0xdb/0x130 [ 55.488337] kmem_cache_alloc_trace+0x2e9/0x790 [ 55.492997] ext4_fill_super+0x208/0xb470 [ 55.497164] ? netdev_bits+0xb0/0xb0 [ 55.500861] ? format_decode+0x1d8/0x930 [ 55.504917] ? set_precision+0x150/0x150 [ 55.508986] ? vsnprintf+0x290/0x1560 [ 55.512779] ? ext4_calculate_overhead+0x1010/0x1010 [ 55.517865] ? snprintf+0xa5/0xd0 [ 55.521300] ? vsprintf+0x40/0x40 [ 55.524743] ? set_blocksize+0x270/0x300 [ 55.528790] ? set_bdev_super+0x120/0x120 [ 55.532926] mount_bdev+0x2be/0x370 [ 55.536534] ? mount_bdev+0x2be/0x370 [ 55.540326] ? ext4_calculate_overhead+0x1010/0x1010 [ 55.545427] ext4_mount+0x35/0x40 [ 55.548897] mount_fs+0x97/0x2a1 [ 55.552266] vfs_kern_mount.part.0+0x5e/0x3d0 [ 55.556853] do_mount+0x417/0x27d0 [ 55.560392] ? retint_kernel+0x2d/0x2d [ 55.564294] ? copy_mount_string+0x40/0x40 [ 55.568531] ? memset+0x32/0x40 [ 55.571802] ? copy_mount_options+0x1fe/0x2f0 [ 55.576296] SyS_mount+0xab/0x120 [ 55.579734] ? copy_mnt_ns+0x8c0/0x8c0 [ 55.583609] do_syscall_64+0x1e8/0x640 [ 55.587483] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.592315] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.597582] RIP: 0033:0x448f7a [ 55.600754] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 55.608453] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 55.615719] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 55.622984] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 55.630250] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000000b [ 55.637503] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 55.644769] CPU: 0 PID: 7206 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 55.652757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.662113] Call Trace: [ 55.664709] dump_stack+0x142/0x197 [ 55.668439] should_fail.cold+0x10f/0x159 [ 55.672737] should_failslab+0xdb/0x130 [ 55.676699] kmem_cache_alloc+0x2d7/0x780 [ 55.680905] ? add_to_page_cache_lru+0x159/0x310 [ 55.685803] ? add_to_page_cache_locked+0x40/0x40 [ 55.690647] alloc_buffer_head+0x24/0xe0 [ 55.694747] alloc_page_buffers+0xb7/0x200 [ 55.698971] __getblk_gfp+0x342/0x7c0 [ 55.702765] ? filemap_write_and_wait+0x8d/0xb0 [ 55.707427] __bread_gfp+0x2e/0x290 [ 55.711055] ext4_fill_super+0x581/0xb470 [ 55.715194] ? netdev_bits+0xb0/0xb0 [ 55.719045] ? format_decode+0x1d8/0x930 [ 55.723094] ? set_precision+0x150/0x150 [ 55.727161] ? ext4_calculate_overhead+0x1010/0x1010 [ 55.732340] ? snprintf+0xa5/0xd0 [ 55.735789] ? vsprintf+0x40/0x40 [ 55.739237] ? set_blocksize+0x270/0x300 [ 55.743311] ? set_bdev_super+0x120/0x120 [ 55.747446] mount_bdev+0x2be/0x370 [ 55.751054] ? mount_bdev+0x2be/0x370 [ 55.754849] ? ext4_calculate_overhead+0x1010/0x1010 [ 55.759948] ext4_mount+0x35/0x40 [ 55.763411] mount_fs+0x97/0x2a1 [ 55.766760] vfs_kern_mount.part.0+0x5e/0x3d0 [ 55.771242] do_mount+0x417/0x27d0 [ 55.774765] ? retint_kernel+0x2d/0x2d [ 55.778641] ? copy_mount_string+0x40/0x40 [ 55.782859] ? memset+0x32/0x40 [ 55.786144] ? copy_mount_options+0x1fe/0x2f0 [ 55.790627] SyS_mount+0xab/0x120 [ 55.794064] ? copy_mnt_ns+0x8c0/0x8c0 [ 55.797948] do_syscall_64+0x1e8/0x640 [ 55.801819] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.806664] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.811836] RIP: 0033:0x448f7a [ 55.815027] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 55.822718] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 55.829972] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 55.837252] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 55.844507] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000018 [ 55.851831] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 55.862655] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 55.877604] FAULT_INJECTION: forcing a failure. [ 55.877604] name failslab, interval 1, probability 0, space 0, times 0 [ 55.888964] CPU: 0 PID: 7215 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 55.896849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.906215] Call Trace: [ 55.908814] dump_stack+0x142/0x197 [ 55.912541] should_fail.cold+0x10f/0x159 [ 55.917040] should_failslab+0xdb/0x130 [ 55.920999] kmem_cache_alloc+0x2d7/0x780 [ 55.925126] ? add_to_page_cache_lru+0x159/0x310 [ 55.930385] ? add_to_page_cache_locked+0x40/0x40 [ 55.935221] alloc_buffer_head+0x24/0xe0 [ 55.939263] alloc_page_buffers+0xb7/0x200 [ 55.943508] __getblk_gfp+0x342/0x7c0 [ 55.947290] ? filemap_write_and_wait+0x8d/0xb0 [ 55.951955] __bread_gfp+0x2e/0x290 [ 55.955590] ext4_fill_super+0x581/0xb470 [ 55.959736] ? netdev_bits+0xb0/0xb0 [ 55.963430] ? format_decode+0x1d8/0x930 [ 55.967476] ? set_precision+0x150/0x150 [ 55.971526] ? ext4_calculate_overhead+0x1010/0x1010 [ 55.976627] ? snprintf+0xa5/0xd0 [ 55.980059] ? vsprintf+0x40/0x40 [ 55.983495] ? set_blocksize+0x270/0x300 [ 55.987551] ? set_bdev_super+0x120/0x120 [ 55.991704] mount_bdev+0x2be/0x370 [ 55.995319] ? mount_bdev+0x2be/0x370 [ 55.999101] ? ext4_calculate_overhead+0x1010/0x1010 [ 56.004186] ext4_mount+0x35/0x40 [ 56.007623] mount_fs+0x97/0x2a1 [ 56.011405] vfs_kern_mount.part.0+0x5e/0x3d0 [ 56.015889] do_mount+0x417/0x27d0 [ 56.019411] ? retint_kernel+0x2d/0x2d [ 56.023468] ? copy_mount_string+0x40/0x40 [ 56.027696] ? memset+0x32/0x40 [ 56.030961] ? copy_mount_options+0x1fe/0x2f0 [ 56.035477] SyS_mount+0xab/0x120 [ 56.038915] ? copy_mnt_ns+0x8c0/0x8c0 [ 56.042796] do_syscall_64+0x1e8/0x640 [ 56.046686] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.051533] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.056708] RIP: 0033:0x448f7a [ 56.059893] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 56.067586] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 56.074839] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 56.082091] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 56.089344] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000000c [ 56.096612] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 56.107854] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 56.124576] FAULT_INJECTION: forcing a failure. [ 56.124576] name failslab, interval 1, probability 0, space 0, times 0 [ 56.137034] CPU: 1 PID: 7220 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 56.145103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.145107] Call Trace: [ 56.145120] dump_stack+0x142/0x197 [ 56.145133] should_fail.cold+0x10f/0x159 [ 56.145157] should_failslab+0xdb/0x130 [ 56.145165] kmem_cache_alloc_trace+0x2e9/0x790 [ 56.145178] ext4_fill_super+0x208/0xb470 [ 56.145187] ? netdev_bits+0xb0/0xb0 [ 56.145193] ? format_decode+0x1d8/0x930 [ 56.145203] ? set_precision+0x150/0x150 [ 56.145214] ? vsnprintf+0x290/0x1560 [ 56.145229] ? ext4_calculate_overhead+0x1010/0x1010 [ 56.145240] ? snprintf+0xa5/0xd0 [ 56.145246] ? vsprintf+0x40/0x40 [ 56.145257] ? set_blocksize+0x270/0x300 [ 56.145265] ? set_bdev_super+0x120/0x120 [ 56.145278] mount_bdev+0x2be/0x370 [ 56.145284] ? mount_bdev+0x2be/0x370 [ 56.145290] ? ext4_calculate_overhead+0x1010/0x1010 [ 56.145300] ext4_mount+0x35/0x40 [ 56.157264] mount_fs+0x97/0x2a1 [ 56.165007] vfs_kern_mount.part.0+0x5e/0x3d0 [ 56.173670] do_mount+0x417/0x27d0 [ 56.173679] ? retint_kernel+0x2d/0x2d [ 56.173690] ? copy_mount_string+0x40/0x40 [ 56.173704] ? memset+0x32/0x40 [ 56.173712] ? copy_mount_options+0x1fe/0x2f0 [ 56.173721] SyS_mount+0xab/0x120 [ 56.173727] ? copy_mnt_ns+0x8c0/0x8c0 [ 56.173737] do_syscall_64+0x1e8/0x640 [ 56.173744] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.173756] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.185652] RIP: 0033:0x448f7a [ 56.198643] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 56.205541] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 56.213711] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 56.213716] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 56.213720] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000019 [ 56.213724] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 56.319784] FAULT_INJECTION: forcing a failure. [ 56.319784] name failslab, interval 1, probability 0, space 0, times 0 [ 56.339861] FAULT_INJECTION: forcing a failure. [ 56.339861] name failslab, interval 1, probability 0, space 0, times 0 [ 56.346502] CPU: 1 PID: 7225 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 56.358968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.368341] Call Trace: [ 56.368361] dump_stack+0x142/0x197 [ 56.368374] should_fail.cold+0x10f/0x159 [ 56.368386] should_failslab+0xdb/0x130 [ 56.368393] kmem_cache_alloc+0x2d7/0x780 [ 56.368401] ? add_to_page_cache_lru+0x159/0x310 [ 56.368410] ? add_to_page_cache_locked+0x40/0x40 [ 56.368419] alloc_buffer_head+0x24/0xe0 [ 56.368426] alloc_page_buffers+0xb7/0x200 [ 56.368437] __getblk_gfp+0x342/0x7c0 [ 56.368443] ? filemap_write_and_wait+0x8d/0xb0 [ 56.368456] __bread_gfp+0x2e/0x290 [ 56.392534] ext4_fill_super+0x581/0xb470 [ 56.401414] ? netdev_bits+0xb0/0xb0 [ 56.401422] ? format_decode+0x1d8/0x930 [ 56.401431] ? set_precision+0x150/0x150 [ 56.401450] ? ext4_calculate_overhead+0x1010/0x1010 [ 56.401460] ? snprintf+0xa5/0xd0 [ 56.401466] ? vsprintf+0x40/0x40 [ 56.401478] ? set_blocksize+0x270/0x300 [ 56.422082] ? set_bdev_super+0x120/0x120 [ 56.429841] mount_bdev+0x2be/0x370 [ 56.442432] ? mount_bdev+0x2be/0x370 [ 56.449916] ? ext4_calculate_overhead+0x1010/0x1010 [ 56.466554] ext4_mount+0x35/0x40 [ 56.470020] mount_fs+0x97/0x2a1 [ 56.473399] vfs_kern_mount.part.0+0x5e/0x3d0 [ 56.477905] do_mount+0x417/0x27d0 [ 56.481441] ? retint_kernel+0x2d/0x2d [ 56.481453] ? copy_mount_string+0x40/0x40 [ 56.481463] ? memset+0x32/0x40 [ 56.481470] ? copy_mount_options+0x1fe/0x2f0 [ 56.481479] SyS_mount+0xab/0x120 [ 56.481485] ? copy_mnt_ns+0x8c0/0x8c0 [ 56.481495] do_syscall_64+0x1e8/0x640 [ 56.481503] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.481517] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.500810] RIP: 0033:0x448f7a [ 56.508574] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 56.529458] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 56.536724] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 56.543985] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 56.543990] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000000d [ 56.543994] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 56.559575] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 56.569803] CPU: 0 PID: 7228 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 56.579724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.579729] Call Trace: [ 56.579744] dump_stack+0x142/0x197 [ 56.579756] should_fail.cold+0x10f/0x159 [ 56.579769] should_failslab+0xdb/0x130 [ 56.593351] kmem_cache_alloc_trace+0x2e9/0x790 [ 56.593369] ext4_fill_super+0x208/0xb470 [ 56.593378] ? netdev_bits+0xb0/0xb0 [ 56.601164] ? format_decode+0x1d8/0x930 [ 56.601175] ? set_precision+0x150/0x150 [ 56.601187] ? vsnprintf+0x290/0x1560 [ 56.601200] ? ext4_calculate_overhead+0x1010/0x1010 [ 56.601211] ? snprintf+0xa5/0xd0 [ 56.609858] ? vsprintf+0x40/0x40 [ 56.609871] ? set_blocksize+0x270/0x300 [ 56.609879] ? set_bdev_super+0x120/0x120 [ 56.609894] mount_bdev+0x2be/0x370 [ 56.617725] ? mount_bdev+0x2be/0x370 [ 56.617733] ? ext4_calculate_overhead+0x1010/0x1010 [ 56.617750] ext4_mount+0x35/0x40 [ 56.617759] mount_fs+0x97/0x2a1 [ 56.625892] vfs_kern_mount.part.0+0x5e/0x3d0 [ 56.625904] do_mount+0x417/0x27d0 [ 56.625912] ? retint_kernel+0x2d/0x2d [ 56.625923] ? copy_mount_string+0x40/0x40 [ 56.634809] ? memset+0x32/0x40 [ 56.634820] ? copy_mount_options+0x1fe/0x2f0 [ 56.634829] SyS_mount+0xab/0x120 [ 56.634836] ? copy_mnt_ns+0x8c0/0x8c0 [ 56.634846] do_syscall_64+0x1e8/0x640 [ 56.634854] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.634867] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.634877] RIP: 0033:0x448f7a [ 56.641754] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 56.641763] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 56.641768] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 56.641773] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 56.641778] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000001a [ 56.641782] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 56.785389] FAULT_INJECTION: forcing a failure. [ 56.785389] name failslab, interval 1, probability 0, space 0, times 0 [ 56.804270] CPU: 1 PID: 7236 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 56.812188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.812192] Call Trace: [ 56.812210] dump_stack+0x142/0x197 [ 56.812225] should_fail.cold+0x10f/0x159 [ 56.812238] should_failslab+0xdb/0x130 [ 56.812247] kmem_cache_alloc_trace+0x2e9/0x790 [ 56.812255] ? memcpy+0x46/0x50 [ 56.812266] ext4_fill_super+0x11d/0xb470 [ 56.812274] ? netdev_bits+0xb0/0xb0 [ 56.812281] ? format_decode+0x1d8/0x930 [ 56.812291] ? set_precision+0x150/0x150 [ 56.812302] ? vsnprintf+0x290/0x1560 [ 56.812316] ? ext4_calculate_overhead+0x1010/0x1010 [ 56.812325] ? snprintf+0xa5/0xd0 [ 56.812333] ? vsprintf+0x40/0x40 [ 56.836022] ? set_blocksize+0x270/0x300 [ 56.836031] ? set_bdev_super+0x120/0x120 [ 56.836042] mount_bdev+0x2be/0x370 [ 56.843966] ? mount_bdev+0x2be/0x370 [ 56.843975] ? ext4_calculate_overhead+0x1010/0x1010 [ 56.843986] ext4_mount+0x35/0x40 [ 56.843995] mount_fs+0x97/0x2a1 [ 56.850827] FAULT_INJECTION: forcing a failure. [ 56.850827] name failslab, interval 1, probability 0, space 0, times 0 [ 56.851863] vfs_kern_mount.part.0+0x5e/0x3d0 [ 56.851875] do_mount+0x417/0x27d0 [ 56.851886] ? retint_kernel+0x2d/0x2d [ 56.859468] FAULT_INJECTION: forcing a failure. [ 56.859468] name failslab, interval 1, probability 0, space 0, times 0 [ 56.859995] ? copy_mount_string+0x40/0x40 [ 56.860006] ? memset+0x32/0x40 [ 56.860015] ? copy_mount_options+0x1fe/0x2f0 [ 56.958898] SyS_mount+0xab/0x120 [ 56.962334] ? copy_mnt_ns+0x8c0/0x8c0 [ 56.966234] do_syscall_64+0x1e8/0x640 [ 56.970113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.974956] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.980147] RIP: 0033:0x448f7a [ 56.983426] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 56.991120] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 56.998374] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 57.005638] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 57.012896] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 57.020148] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 57.027420] CPU: 0 PID: 7233 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 57.035352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.044714] Call Trace: [ 57.047321] dump_stack+0x142/0x197 [ 57.050959] should_fail.cold+0x10f/0x159 [ 57.055120] should_failslab+0xdb/0x130 [ 57.059105] kmem_cache_alloc_trace+0x2e9/0x790 [ 57.063956] ? memcpy+0x46/0x50 [ 57.067245] ext4_fill_super+0x11d/0xb470 [ 57.071398] ? netdev_bits+0xb0/0xb0 [ 57.075128] ? format_decode+0x1d8/0x930 [ 57.079198] ? set_precision+0x150/0x150 [ 57.083333] ? vsnprintf+0x290/0x1560 [ 57.087142] ? ext4_calculate_overhead+0x1010/0x1010 [ 57.092237] ? snprintf+0xa5/0xd0 [ 57.095673] ? vsprintf+0x40/0x40 [ 57.099115] ? set_blocksize+0x270/0x300 [ 57.103167] ? set_bdev_super+0x120/0x120 [ 57.107302] mount_bdev+0x2be/0x370 [ 57.110908] ? mount_bdev+0x2be/0x370 [ 57.114790] ? ext4_calculate_overhead+0x1010/0x1010 [ 57.119877] ext4_mount+0x35/0x40 [ 57.123316] mount_fs+0x97/0x2a1 [ 57.126669] vfs_kern_mount.part.0+0x5e/0x3d0 [ 57.131161] do_mount+0x417/0x27d0 [ 57.134686] ? retint_kernel+0x2d/0x2d [ 57.138556] ? copy_mount_string+0x40/0x40 [ 57.142782] ? memset+0x32/0x40 [ 57.146070] ? copy_mount_options+0x1fe/0x2f0 [ 57.150567] SyS_mount+0xab/0x120 [ 57.154011] ? copy_mnt_ns+0x8c0/0x8c0 [ 57.157887] do_syscall_64+0x1e8/0x640 [ 57.161758] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.166606] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 57.171797] RIP: 0033:0x448f7a [ 57.174980] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 57.182694] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 57.190123] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 57.197378] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 57.204631] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000001b [ 57.211887] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 57.219157] CPU: 1 PID: 7240 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 57.227045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.236386] Call Trace: [ 57.238989] dump_stack+0x142/0x197 [ 57.242732] should_fail.cold+0x10f/0x159 [ 57.246866] should_failslab+0xdb/0x130 [ 57.250935] __kmalloc+0x2f0/0x7a0 [ 57.254483] ? __list_lru_init+0x6b/0x660 [ 57.258618] __list_lru_init+0x6b/0x660 [ 57.262586] sget_userns+0x500/0xc30 [ 57.266284] ? ns_test_super+0x50/0x50 [ 57.270170] ? set_bdev_super+0x120/0x120 [ 57.274319] ? set_bdev_super+0x120/0x120 [ 57.278451] ? ns_test_super+0x50/0x50 [ 57.282344] sget+0xd6/0x120 [ 57.285363] mount_bdev+0xd5/0x370 [ 57.288903] ? ext4_calculate_overhead+0x1010/0x1010 [ 57.294011] ext4_mount+0x35/0x40 [ 57.297454] mount_fs+0x97/0x2a1 [ 57.300820] vfs_kern_mount.part.0+0x5e/0x3d0 [ 57.305304] do_mount+0x417/0x27d0 [ 57.308830] ? retint_kernel+0x2d/0x2d [ 57.312704] ? copy_mount_string+0x40/0x40 [ 57.316925] ? memset+0x32/0x40 [ 57.320203] ? copy_mount_options+0x1fe/0x2f0 [ 57.324683] SyS_mount+0xab/0x120 [ 57.328140] ? copy_mnt_ns+0x8c0/0x8c0 [ 57.332016] do_syscall_64+0x1e8/0x640 [ 57.335896] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.340745] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 57.345918] RIP: 0033:0x448f7a [ 57.349094] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 57.356815] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 57.364095] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 57.371448] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 57.378707] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000000e [ 57.385969] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 57.408199] FAULT_INJECTION: forcing a failure. [ 57.408199] name failslab, interval 1, probability 0, space 0, times 0 [ 57.429775] CPU: 1 PID: 7247 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 57.437732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.447097] Call Trace: [ 57.449686] dump_stack+0x142/0x197 [ 57.449701] should_fail.cold+0x10f/0x159 [ 57.457485] should_failslab+0xdb/0x130 [ 57.461455] kmem_cache_alloc_trace+0x2e9/0x790 [ 57.461464] ? memcpy+0x46/0x50 [ 57.461474] ext4_fill_super+0x11d/0xb470 [ 57.461484] ? netdev_bits+0xb0/0xb0 [ 57.461491] ? format_decode+0x1d8/0x930 [ 57.461501] ? set_precision+0x150/0x150 [ 57.461515] ? vsnprintf+0x290/0x1560 [ 57.467469] FAULT_INJECTION: forcing a failure. [ 57.467469] name failslab, interval 1, probability 0, space 0, times 0 [ 57.469465] ? ext4_calculate_overhead+0x1010/0x1010 [ 57.469476] ? snprintf+0xa5/0xd0 [ 57.509566] ? vsprintf+0x40/0x40 [ 57.513035] ? set_blocksize+0x270/0x300 [ 57.517199] ? set_bdev_super+0x120/0x120 [ 57.521353] mount_bdev+0x2be/0x370 [ 57.524980] ? mount_bdev+0x2be/0x370 [ 57.528787] ? ext4_calculate_overhead+0x1010/0x1010 [ 57.534023] ext4_mount+0x35/0x40 [ 57.537485] mount_fs+0x97/0x2a1 [ 57.540866] vfs_kern_mount.part.0+0x5e/0x3d0 [ 57.545382] do_mount+0x417/0x27d0 [ 57.548924] ? retint_kernel+0x2d/0x2d [ 57.552813] ? copy_mount_string+0x40/0x40 [ 57.557057] ? memset+0x32/0x40 [ 57.560344] ? copy_mount_options+0x1fe/0x2f0 [ 57.564842] SyS_mount+0xab/0x120 [ 57.568301] ? copy_mnt_ns+0x8c0/0x8c0 [ 57.572197] do_syscall_64+0x1e8/0x640 [ 57.576093] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.581126] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 57.586319] RIP: 0033:0x448f7a [ 57.589504] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 57.597222] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 57.604507] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 57.611771] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 57.619122] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000001c [ 57.626391] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 57.626883] CPU: 1 PID: 7252 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 57.641560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.641564] Call Trace: [ 57.641579] dump_stack+0x142/0x197 [ 57.641593] should_fail.cold+0x10f/0x159 [ 57.641605] should_failslab+0xdb/0x130 [ 57.641613] kmem_cache_alloc_trace+0x2e9/0x790 [ 57.641629] ext4_fill_super+0x208/0xb470 [ 57.641637] ? netdev_bits+0xb0/0xb0 [ 57.641644] ? format_decode+0x1d8/0x930 [ 57.641654] ? set_precision+0x150/0x150 [ 57.656150] FAULT_INJECTION: forcing a failure. [ 57.656150] name failslab, interval 1, probability 0, space 0, times 0 [ 57.657228] ? vsnprintf+0x290/0x1560 [ 57.657244] ? ext4_calculate_overhead+0x1010/0x1010 [ 57.706062] ? snprintf+0xa5/0xd0 [ 57.709610] ? vsprintf+0x40/0x40 [ 57.714465] ? set_blocksize+0x270/0x300 [ 57.718510] ? set_bdev_super+0x120/0x120 [ 57.722645] mount_bdev+0x2be/0x370 [ 57.726257] ? mount_bdev+0x2be/0x370 [ 57.730063] ? ext4_calculate_overhead+0x1010/0x1010 [ 57.735169] ext4_mount+0x35/0x40 [ 57.738608] mount_fs+0x97/0x2a1 [ 57.741968] vfs_kern_mount.part.0+0x5e/0x3d0 [ 57.746455] do_mount+0x417/0x27d0 [ 57.749979] ? retint_kernel+0x2d/0x2d [ 57.753855] ? copy_mount_string+0x40/0x40 [ 57.758095] ? memset+0x32/0x40 [ 57.761359] ? copy_mount_options+0x1fe/0x2f0 [ 57.765843] SyS_mount+0xab/0x120 [ 57.769281] ? copy_mnt_ns+0x8c0/0x8c0 [ 57.773165] do_syscall_64+0x1e8/0x640 [ 57.777037] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.781870] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 57.787042] RIP: 0033:0x448f7a [ 57.790213] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 57.797920] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 57.805177] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 57.812605] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 57.819865] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000000f [ 57.827133] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 57.834416] CPU: 0 PID: 7250 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 57.842462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.851832] Call Trace: [ 57.854696] dump_stack+0x142/0x197 [ 57.858847] should_fail.cold+0x10f/0x159 [ 57.862985] should_failslab+0xdb/0x130 [ 57.866948] kmem_cache_alloc_trace+0x2e9/0x790 [ 57.871608] ? memcpy+0x46/0x50 [ 57.874901] ext4_fill_super+0x208/0xb470 [ 57.879043] ? netdev_bits+0xb0/0xb0 [ 57.882813] ? format_decode+0x1d8/0x930 [ 57.886990] ? set_precision+0x150/0x150 [ 57.891044] ? vsnprintf+0x290/0x1560 [ 57.894892] ? ext4_calculate_overhead+0x1010/0x1010 [ 57.900060] ? snprintf+0xa5/0xd0 [ 57.903502] ? vsprintf+0x40/0x40 [ 57.906949] ? set_blocksize+0x270/0x300 [ 57.911029] ? set_bdev_super+0x120/0x120 [ 57.915167] mount_bdev+0x2be/0x370 [ 57.918793] ? mount_bdev+0x2be/0x370 [ 57.922576] ? ext4_calculate_overhead+0x1010/0x1010 [ 57.928679] ext4_mount+0x35/0x40 [ 57.932129] mount_fs+0x97/0x2a1 [ 57.935509] vfs_kern_mount.part.0+0x5e/0x3d0 [ 57.940005] do_mount+0x417/0x27d0 [ 57.943546] ? retint_kernel+0x2d/0x2d [ 57.947433] ? copy_mount_string+0x40/0x40 [ 57.951670] ? memset+0x32/0x40 [ 57.955106] ? copy_mount_options+0x1fe/0x2f0 [ 57.959603] SyS_mount+0xab/0x120 [ 57.963059] ? copy_mnt_ns+0x8c0/0x8c0 [ 57.966940] do_syscall_64+0x1e8/0x640 [ 57.970812] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.975663] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 57.980837] RIP: 0033:0x448f7a [ 57.984016] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 57.991729] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 57.999040] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 58.006327] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 58.013619] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000001 [ 58.020889] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 58.039848] FAULT_INJECTION: forcing a failure. [ 58.039848] name failslab, interval 1, probability 0, space 0, times 0 [ 58.052555] CPU: 1 PID: 7263 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 58.060474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.069842] Call Trace: [ 58.072603] dump_stack+0x142/0x197 [ 58.076217] should_fail.cold+0x10f/0x159 [ 58.080354] should_failslab+0xdb/0x130 [ 58.084319] kmem_cache_alloc+0x2d7/0x780 [ 58.088451] ? __this_cpu_preempt_check+0x1d/0x30 [ 58.093413] ? recalc_bh_state+0x3b/0x170 [ 58.097547] alloc_buffer_head+0x24/0xe0 [ 58.101653] alloc_page_buffers+0xb7/0x200 [ 58.105881] __getblk_gfp+0x342/0x7c0 [ 58.109680] ? filemap_write_and_wait+0x8d/0xb0 [ 58.114349] __bread_gfp+0x2e/0x290 [ 58.117964] ext4_fill_super+0x581/0xb470 [ 58.122096] ? netdev_bits+0xb0/0xb0 [ 58.125804] ? format_decode+0x1d8/0x930 [ 58.129850] ? set_precision+0x150/0x150 [ 58.133914] ? ext4_calculate_overhead+0x1010/0x1010 [ 58.139014] ? snprintf+0xa5/0xd0 [ 58.142589] ? vsprintf+0x40/0x40 [ 58.146048] ? set_blocksize+0x270/0x300 [ 58.150099] ? set_bdev_super+0x120/0x120 [ 58.154256] mount_bdev+0x2be/0x370 [ 58.157879] ? mount_bdev+0x2be/0x370 [ 58.161677] ? ext4_calculate_overhead+0x1010/0x1010 [ 58.166764] ext4_mount+0x35/0x40 [ 58.170217] mount_fs+0x97/0x2a1 [ 58.173738] vfs_kern_mount.part.0+0x5e/0x3d0 [ 58.178215] do_mount+0x417/0x27d0 [ 58.181737] ? retint_kernel+0x2d/0x2d [ 58.185627] ? copy_mount_string+0x40/0x40 [ 58.189856] ? memset+0x32/0x40 [ 58.193120] ? copy_mount_options+0x1fe/0x2f0 [ 58.197620] SyS_mount+0xab/0x120 [ 58.201053] ? copy_mnt_ns+0x8c0/0x8c0 [ 58.204942] do_syscall_64+0x1e8/0x640 [ 58.208822] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.213770] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 58.218997] RIP: 0033:0x448f7a [ 58.222210] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 58.229901] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 58.237178] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 58.244442] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 58.251697] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000010 [ 58.258961] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 58.272865] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 58.290659] FAULT_INJECTION: forcing a failure. [ 58.290659] name failslab, interval 1, probability 0, space 0, times 0 [ 58.290664] FAULT_INJECTION: forcing a failure. [ 58.290664] name failslab, interval 1, probability 0, space 0, times 0 [ 58.290674] CPU: 0 PID: 7267 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 58.323654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.332998] Call Trace: [ 58.335579] dump_stack+0x142/0x197 [ 58.339209] should_fail.cold+0x10f/0x159 [ 58.343455] should_failslab+0xdb/0x130 [ 58.347423] kmem_cache_alloc_trace+0x2e9/0x790 [ 58.352090] ext4_fill_super+0x208/0xb470 [ 58.356228] ? netdev_bits+0xb0/0xb0 [ 58.359939] ? format_decode+0x1d8/0x930 [ 58.364004] ? set_precision+0x150/0x150 [ 58.368064] ? vsnprintf+0x290/0x1560 [ 58.371866] ? ext4_calculate_overhead+0x1010/0x1010 [ 58.376969] ? snprintf+0xa5/0xd0 [ 58.380403] ? vsprintf+0x40/0x40 [ 58.383842] ? set_blocksize+0x270/0x300 [ 58.387886] ? set_bdev_super+0x120/0x120 [ 58.392027] mount_bdev+0x2be/0x370 [ 58.395636] ? mount_bdev+0x2be/0x370 [ 58.399424] ? ext4_calculate_overhead+0x1010/0x1010 [ 58.404522] ext4_mount+0x35/0x40 [ 58.407966] mount_fs+0x97/0x2a1 [ 58.411333] vfs_kern_mount.part.0+0x5e/0x3d0 [ 58.415814] do_mount+0x417/0x27d0 [ 58.419337] ? retint_kernel+0x2d/0x2d [ 58.423217] ? copy_mount_string+0x40/0x40 [ 58.427456] ? memset+0x32/0x40 [ 58.430732] ? copy_mount_options+0x1fe/0x2f0 [ 58.435218] SyS_mount+0xab/0x120 [ 58.438702] ? copy_mnt_ns+0x8c0/0x8c0 [ 58.442599] do_syscall_64+0x1e8/0x640 [ 58.446472] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.451345] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 58.456532] RIP: 0033:0x448f7a [ 58.459718] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 58.467411] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 58.474669] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 58.481927] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 58.489198] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000001d [ 58.496453] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 58.503721] CPU: 1 PID: 7268 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 58.511627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.520987] Call Trace: [ 58.523585] dump_stack+0x142/0x197 [ 58.527231] should_fail.cold+0x10f/0x159 [ 58.531490] should_failslab+0xdb/0x130 [ 58.535471] kmem_cache_alloc_trace+0x2e9/0x790 [ 58.540177] ext4_fill_super+0x208/0xb470 [ 58.544322] ? netdev_bits+0xb0/0xb0 [ 58.548085] ? format_decode+0x1d8/0x930 [ 58.552154] ? set_precision+0x150/0x150 [ 58.556791] ? vsnprintf+0x290/0x1560 [ 58.560587] ? ext4_calculate_overhead+0x1010/0x1010 [ 58.565678] ? snprintf+0xa5/0xd0 [ 58.569115] ? vsprintf+0x40/0x40 [ 58.572554] ? set_blocksize+0x270/0x300 [ 58.576751] ? set_bdev_super+0x120/0x120 [ 58.580896] mount_bdev+0x2be/0x370 [ 58.584524] ? mount_bdev+0x2be/0x370 [ 58.588306] ? ext4_calculate_overhead+0x1010/0x1010 [ 58.594021] ext4_mount+0x35/0x40 [ 58.597583] mount_fs+0x97/0x2a1 [ 58.600947] vfs_kern_mount.part.0+0x5e/0x3d0 [ 58.605443] do_mount+0x417/0x27d0 [ 58.608965] ? retint_kernel+0x2d/0x2d [ 58.612849] ? copy_mount_string+0x40/0x40 [ 58.617183] ? memset+0x32/0x40 [ 58.620702] ? copy_mount_options+0x1fe/0x2f0 [ 58.625204] SyS_mount+0xab/0x120 [ 58.628662] ? copy_mnt_ns+0x8c0/0x8c0 [ 58.632569] do_syscall_64+0x1e8/0x640 [ 58.636460] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.641415] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 58.646595] RIP: 0033:0x448f7a [ 58.649768] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 58.657461] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 58.664714] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 58.671987] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 58.679264] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 58.686655] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 58.695847] IPVS: ftp: loaded support on port[0] = 21 [ 58.709063] FAULT_INJECTION: forcing a failure. [ 58.709063] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 58.720906] CPU: 1 PID: 7276 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 58.729656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.739693] Call Trace: [ 58.742274] dump_stack+0x142/0x197 [ 58.745892] should_fail.cold+0x10f/0x159 [ 58.750034] __alloc_pages_nodemask+0x1d6/0x7a0 [ 58.754699] ? __alloc_pages_slowpath+0x2930/0x2930 [ 58.759708] cache_grow_begin+0x80/0x400 [ 58.763757] kmem_cache_alloc_trace+0x6b2/0x790 [ 58.768423] ext4_fill_super+0x11d/0xb470 [ 58.772602] ? netdev_bits+0xb0/0xb0 [ 58.776308] ? format_decode+0x1d8/0x930 [ 58.780360] ? set_precision+0x150/0x150 [ 58.784444] ? vsnprintf+0x290/0x1560 [ 58.788344] ? ext4_calculate_overhead+0x1010/0x1010 [ 58.793488] ? snprintf+0xa5/0xd0 [ 58.796927] ? vsprintf+0x40/0x40 [ 58.800371] ? set_blocksize+0x270/0x300 [ 58.804417] ? set_bdev_super+0x120/0x120 [ 58.809595] mount_bdev+0x2be/0x370 [ 58.813203] ? mount_bdev+0x2be/0x370 [ 58.816996] ? ext4_calculate_overhead+0x1010/0x1010 [ 58.822104] ext4_mount+0x35/0x40 [ 58.825625] mount_fs+0x97/0x2a1 [ 58.828989] vfs_kern_mount.part.0+0x5e/0x3d0 [ 58.833529] do_mount+0x417/0x27d0 [ 58.837126] ? retint_kernel+0x2d/0x2d [ 58.841009] ? copy_mount_string+0x40/0x40 [ 58.845234] ? memset+0x32/0x40 [ 58.848576] ? copy_mount_options+0x1fe/0x2f0 [ 58.853081] SyS_mount+0xab/0x120 [ 58.856530] ? copy_mnt_ns+0x8c0/0x8c0 [ 58.860408] do_syscall_64+0x1e8/0x640 [ 58.864299] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.869186] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 58.874372] RIP: 0033:0x448f7a [ 58.877547] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 58.885239] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 58.892497] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 58.899752] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 58.907003] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000011 [ 58.914341] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 58.922196] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 58.937001] FAULT_INJECTION: forcing a failure. [ 58.937001] name failslab, interval 1, probability 0, space 0, times 0 [ 58.949490] CPU: 1 PID: 7279 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 58.957405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.966765] Call Trace: [ 58.969355] dump_stack+0x142/0x197 [ 58.972998] should_fail.cold+0x10f/0x159 [ 58.977162] should_failslab+0xdb/0x130 [ 58.981223] kmem_cache_alloc_trace+0x2e9/0x790 [ 58.985878] ext4_fill_super+0x208/0xb470 [ 58.990013] ? netdev_bits+0xb0/0xb0 [ 58.993714] ? format_decode+0x1d8/0x930 [ 58.997759] ? set_precision+0x150/0x150 [ 59.001814] ? vsnprintf+0x290/0x1560 [ 59.005603] ? ext4_calculate_overhead+0x1010/0x1010 [ 59.010714] ? snprintf+0xa5/0xd0 [ 59.014152] ? vsprintf+0x40/0x40 [ 59.017587] ? set_blocksize+0x270/0x300 [ 59.021635] ? set_bdev_super+0x120/0x120 [ 59.025770] mount_bdev+0x2be/0x370 [ 59.029375] ? mount_bdev+0x2be/0x370 [ 59.033156] ? ext4_calculate_overhead+0x1010/0x1010 [ 59.038254] ext4_mount+0x35/0x40 [ 59.041693] mount_fs+0x97/0x2a1 [ 59.045054] vfs_kern_mount.part.0+0x5e/0x3d0 [ 59.049533] do_mount+0x417/0x27d0 [ 59.053056] ? retint_kernel+0x2d/0x2d [ 59.056939] ? copy_mount_string+0x40/0x40 [ 59.061172] ? memset+0x32/0x40 [ 59.064520] ? copy_mount_options+0x1fe/0x2f0 [ 59.068995] SyS_mount+0xab/0x120 [ 59.072430] ? copy_mnt_ns+0x8c0/0x8c0 [ 59.076319] do_syscall_64+0x1e8/0x640 [ 59.080219] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.085047] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 59.090222] RIP: 0033:0x448f7a [ 59.093393] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 59.101093] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 59.108441] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 59.115786] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 59.123142] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000001e [ 59.130404] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 59.148641] FAULT_INJECTION: forcing a failure. [ 59.148641] name failslab, interval 1, probability 0, space 0, times 0 [ 59.161238] CPU: 1 PID: 7286 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 59.169153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.178515] Call Trace: [ 59.181114] dump_stack+0x142/0x197 [ 59.184757] should_fail.cold+0x10f/0x159 [ 59.188919] should_failslab+0xdb/0x130 [ 59.192904] kmem_cache_alloc_trace+0x2e9/0x790 [ 59.197589] ext4_fill_super+0x208/0xb470 [ 59.201747] ? netdev_bits+0xb0/0xb0 [ 59.205565] ? format_decode+0x1d8/0x930 [ 59.209637] ? set_precision+0x150/0x150 [ 59.213703] ? vsnprintf+0x290/0x1560 [ 59.217501] ? ext4_calculate_overhead+0x1010/0x1010 [ 59.222264] FAULT_INJECTION: forcing a failure. [ 59.222264] name failslab, interval 1, probability 0, space 0, times 0 [ 59.222602] ? snprintf+0xa5/0xd0 [ 59.237214] ? vsprintf+0x40/0x40 [ 59.240654] ? set_blocksize+0x270/0x300 [ 59.244723] ? set_bdev_super+0x120/0x120 [ 59.248859] mount_bdev+0x2be/0x370 [ 59.252469] ? mount_bdev+0x2be/0x370 [ 59.256268] ? ext4_calculate_overhead+0x1010/0x1010 [ 59.261373] ext4_mount+0x35/0x40 [ 59.264865] mount_fs+0x97/0x2a1 [ 59.268223] vfs_kern_mount.part.0+0x5e/0x3d0 [ 59.272707] do_mount+0x417/0x27d0 [ 59.276232] ? retint_kernel+0x2d/0x2d [ 59.280112] ? copy_mount_string+0x40/0x40 [ 59.284346] ? memset+0x32/0x40 [ 59.287647] ? copy_mount_options+0x1fe/0x2f0 [ 59.292136] SyS_mount+0xab/0x120 [ 59.295926] ? copy_mnt_ns+0x8c0/0x8c0 [ 59.299825] do_syscall_64+0x1e8/0x640 [ 59.303712] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.308544] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 59.313729] RIP: 0033:0x448f7a [ 59.316911] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 59.324717] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 59.331976] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 59.339351] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 59.346611] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000012 [ 59.355010] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 59.362321] CPU: 0 PID: 7284 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 59.370214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.370218] Call Trace: [ 59.370233] dump_stack+0x142/0x197 [ 59.370248] should_fail.cold+0x10f/0x159 [ 59.370260] should_failslab+0xdb/0x130 [ 59.370271] kmem_cache_alloc_trace+0x2e9/0x790 [ 59.383072] ext4_fill_super+0x208/0xb470 [ 59.383084] ? netdev_bits+0xb0/0xb0 [ 59.383090] ? format_decode+0x1d8/0x930 [ 59.383103] ? set_precision+0x150/0x150 [ 59.390867] ? vsnprintf+0x290/0x1560 [ 59.390884] ? ext4_calculate_overhead+0x1010/0x1010 [ 59.390895] ? snprintf+0xa5/0xd0 [ 59.390901] ? vsprintf+0x40/0x40 [ 59.390911] ? set_blocksize+0x270/0x300 [ 59.399653] ? set_bdev_super+0x120/0x120 [ 59.399668] mount_bdev+0x2be/0x370 [ 59.399676] ? mount_bdev+0x2be/0x370 [ 59.399683] ? ext4_calculate_overhead+0x1010/0x1010 [ 59.399693] ext4_mount+0x35/0x40 [ 59.411583] mount_fs+0x97/0x2a1 [ 59.411597] vfs_kern_mount.part.0+0x5e/0x3d0 [ 59.411607] do_mount+0x417/0x27d0 [ 59.411615] ? retint_kernel+0x2d/0x2d [ 59.411626] ? copy_mount_string+0x40/0x40 [ 59.411639] ? memset+0x32/0x40 [ 59.419490] ? copy_mount_options+0x1fe/0x2f0 [ 59.419501] SyS_mount+0xab/0x120 [ 59.419509] ? copy_mnt_ns+0x8c0/0x8c0 [ 59.419520] do_syscall_64+0x1e8/0x640 [ 59.419529] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.430496] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 59.430504] RIP: 0033:0x448f7a [ 59.430509] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 59.430518] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 59.430524] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 59.430528] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 59.430532] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 59.430538] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 59.556293] FAULT_INJECTION: forcing a failure. [ 59.556293] name failslab, interval 1, probability 0, space 0, times 0 [ 59.582107] CPU: 0 PID: 7294 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 59.590031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.590036] Call Trace: [ 59.590050] dump_stack+0x142/0x197 [ 59.590065] should_fail.cold+0x10f/0x159 [ 59.590074] ? __lock_is_held+0xb6/0x140 [ 59.590084] ? mempool_free+0x1d0/0x1d0 [ 59.590094] should_failslab+0xdb/0x130 [ 59.590103] kmem_cache_alloc+0x47/0x780 [ 59.590115] ? mempool_free+0x1d0/0x1d0 [ 59.590123] mempool_alloc_slab+0x47/0x60 [ 59.590131] mempool_alloc+0x138/0x300 [ 59.590139] ? __find_get_block+0x5c4/0xbf0 [ 59.590150] ? remove_element.isra.0+0x1b0/0x1b0 [ 59.590158] ? mark_held_locks+0xb1/0x100 [ 59.590167] ? save_trace+0x290/0x290 [ 59.590175] ? trace_hardirqs_on_caller+0x400/0x590 [ 59.590184] bio_alloc_bioset+0x368/0x680 [ 59.590194] ? bvec_alloc+0x2e0/0x2e0 [ 59.590200] ? __getblk_gfp+0x5c/0x7c0 [ 59.590209] submit_bh_wbc+0xf6/0x720 [ 59.602166] __bread_gfp+0x106/0x290 [ 59.602176] ext4_fill_super+0x581/0xb470 [ 59.602185] ? netdev_bits+0xb0/0xb0 [ 59.602193] ? format_decode+0x1d8/0x930 [ 59.602203] ? set_precision+0x150/0x150 [ 59.602222] ? ext4_calculate_overhead+0x1010/0x1010 [ 59.607017] FAULT_INJECTION: forcing a failure. [ 59.607017] name failslab, interval 1, probability 0, space 0, times 0 [ 59.609994] ? snprintf+0xa5/0xd0 [ 59.714952] ? vsprintf+0x40/0x40 [ 59.718415] ? set_blocksize+0x270/0x300 [ 59.722461] ? set_bdev_super+0x120/0x120 [ 59.726600] mount_bdev+0x2be/0x370 [ 59.730210] ? mount_bdev+0x2be/0x370 [ 59.734097] ? ext4_calculate_overhead+0x1010/0x1010 [ 59.739200] ext4_mount+0x35/0x40 [ 59.742679] mount_fs+0x97/0x2a1 [ 59.746052] vfs_kern_mount.part.0+0x5e/0x3d0 [ 59.750551] do_mount+0x417/0x27d0 [ 59.754084] ? retint_kernel+0x2d/0x2d [ 59.757972] ? copy_mount_string+0x40/0x40 [ 59.762212] ? memset+0x32/0x40 [ 59.765489] ? copy_mount_options+0x1fe/0x2f0 [ 59.769980] SyS_mount+0xab/0x120 [ 59.773435] ? copy_mnt_ns+0x8c0/0x8c0 [ 59.777310] do_syscall_64+0x1e8/0x640 [ 59.781183] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.786015] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 59.791186] RIP: 0033:0x448f7a [ 59.794359] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 59.802050] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 59.809335] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 59.816601] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 59.823867] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000001f [ 59.831134] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 59.838402] CPU: 1 PID: 7298 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 59.846432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.846437] Call Trace: [ 59.846455] dump_stack+0x142/0x197 [ 59.846468] should_fail.cold+0x10f/0x159 [ 59.846480] should_failslab+0xdb/0x130 [ 59.846488] kmem_cache_alloc_trace+0x2e9/0x790 [ 59.846497] ? memcpy+0x46/0x50 [ 59.858604] ext4_fill_super+0x11d/0xb470 [ 59.866392] ? netdev_bits+0xb0/0xb0 [ 59.875425] FAULT_INJECTION: forcing a failure. [ 59.875425] name failslab, interval 1, probability 0, space 0, times 0 [ 59.878558] ? format_decode+0x1d8/0x930 [ 59.878570] ? set_precision+0x150/0x150 [ 59.878581] ? vsnprintf+0x290/0x1560 [ 59.878596] ? ext4_calculate_overhead+0x1010/0x1010 [ 59.886449] ? snprintf+0xa5/0xd0 [ 59.886457] ? vsprintf+0x40/0x40 [ 59.886468] ? set_blocksize+0x270/0x300 [ 59.886480] ? set_bdev_super+0x120/0x120 [ 59.909625] mount_bdev+0x2be/0x370 [ 59.909633] ? mount_bdev+0x2be/0x370 [ 59.909643] ? ext4_calculate_overhead+0x1010/0x1010 [ 59.925917] ext4_mount+0x35/0x40 [ 59.925929] mount_fs+0x97/0x2a1 [ 59.925942] vfs_kern_mount.part.0+0x5e/0x3d0 [ 59.942550] do_mount+0x417/0x27d0 [ 59.942560] ? retint_kernel+0x2d/0x2d [ 59.942570] ? copy_mount_string+0x40/0x40 [ 59.942580] ? memset+0x32/0x40 [ 59.942589] ? copy_mount_options+0x1fe/0x2f0 [ 59.942598] SyS_mount+0xab/0x120 [ 59.942603] ? copy_mnt_ns+0x8c0/0x8c0 [ 59.942614] do_syscall_64+0x1e8/0x640 [ 59.953899] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.953914] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 59.953922] RIP: 0033:0x448f7a [ 59.961322] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 59.961331] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 59.961335] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 59.961340] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 59.961345] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000013 [ 59.961349] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 59.984396] CPU: 1 PID: 7299 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 59.989730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.998093] Call Trace: [ 60.013153] dump_stack+0x142/0x197 [ 60.013168] should_fail.cold+0x10f/0x159 [ 60.013180] should_failslab+0xdb/0x130 [ 60.013188] kmem_cache_alloc_trace+0x2e9/0x790 [ 60.013197] ? memcpy+0x46/0x50 [ 60.027806] ext4_fill_super+0x11d/0xb470 [ 60.042595] ? netdev_bits+0xb0/0xb0 [ 60.042604] ? format_decode+0x1d8/0x930 [ 60.042614] ? set_precision+0x150/0x150 [ 60.042625] ? vsnprintf+0x290/0x1560 [ 60.042640] ? ext4_calculate_overhead+0x1010/0x1010 [ 60.042652] ? snprintf+0xa5/0xd0 [ 60.103669] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 60.107326] ? vsprintf+0x40/0x40 [ 60.120014] ? set_blocksize+0x270/0x300 [ 60.124100] ? set_bdev_super+0x120/0x120 [ 60.128251] mount_bdev+0x2be/0x370 [ 60.131866] ? mount_bdev+0x2be/0x370 [ 60.135649] ? ext4_calculate_overhead+0x1010/0x1010 [ 60.140777] ext4_mount+0x35/0x40 [ 60.144251] mount_fs+0x97/0x2a1 [ 60.147634] vfs_kern_mount.part.0+0x5e/0x3d0 [ 60.152129] do_mount+0x417/0x27d0 [ 60.155673] ? retint_kernel+0x2d/0x2d [ 60.159562] ? copy_mount_string+0x40/0x40 [ 60.163797] ? memset+0x32/0x40 [ 60.167183] ? copy_mount_options+0x1fe/0x2f0 [ 60.171672] SyS_mount+0xab/0x120 [ 60.175148] ? copy_mnt_ns+0x8c0/0x8c0 [ 60.179019] do_syscall_64+0x1e8/0x640 [ 60.182957] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.187917] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 60.193206] RIP: 0033:0x448f7a [ 60.196385] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 60.204080] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 60.211388] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 60.218652] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 60.225905] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 [ 60.233170] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 60.289568] FAULT_INJECTION: forcing a failure. [ 60.289568] name failslab, interval 1, probability 0, space 0, times 0 [ 60.302314] CPU: 1 PID: 7311 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 60.305048] FAULT_INJECTION: forcing a failure. [ 60.305048] name failslab, interval 1, probability 0, space 0, times 0 [ 60.310213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.310217] Call Trace: [ 60.310230] dump_stack+0x142/0x197 [ 60.310243] should_fail.cold+0x10f/0x159 [ 60.310256] should_failslab+0xdb/0x130 [ 60.310263] kmem_cache_alloc_trace+0x2e9/0x790 [ 60.310271] ? memcpy+0x46/0x50 [ 60.310282] ext4_fill_super+0x11d/0xb470 [ 60.310291] ? netdev_bits+0xb0/0xb0 [ 60.310299] ? format_decode+0x1d8/0x930 [ 60.310310] ? set_precision+0x150/0x150 [ 60.310322] ? vsnprintf+0x290/0x1560 [ 60.310336] ? ext4_calculate_overhead+0x1010/0x1010 [ 60.310347] ? snprintf+0xa5/0xd0 [ 60.310354] ? vsprintf+0x40/0x40 [ 60.310365] ? set_blocksize+0x270/0x300 [ 60.310372] ? set_bdev_super+0x120/0x120 [ 60.310385] mount_bdev+0x2be/0x370 [ 60.310391] ? mount_bdev+0x2be/0x370 [ 60.310398] ? ext4_calculate_overhead+0x1010/0x1010 [ 60.310409] ext4_mount+0x35/0x40 [ 60.310418] mount_fs+0x97/0x2a1 [ 60.310429] vfs_kern_mount.part.0+0x5e/0x3d0 [ 60.310440] do_mount+0x417/0x27d0 [ 60.310448] ? retint_kernel+0x2d/0x2d [ 60.310461] ? copy_mount_string+0x40/0x40 [ 60.310470] ? memset+0x32/0x40 [ 60.310479] ? copy_mount_options+0x1fe/0x2f0 [ 60.310489] SyS_mount+0xab/0x120 [ 60.310495] ? copy_mnt_ns+0x8c0/0x8c0 [ 60.310506] do_syscall_64+0x1e8/0x640 [ 60.310514] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.310527] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 60.310533] RIP: 0033:0x448f7a [ 60.310538] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 60.310548] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 60.310553] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 60.310556] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 60.310561] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000014 [ 60.310566] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 60.322115] CPU: 0 PID: 7312 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 60.345710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.345715] Call Trace: [ 60.345729] dump_stack+0x142/0x197 [ 60.345744] should_fail.cold+0x10f/0x159 [ 60.345756] should_failslab+0xdb/0x130 [ 60.345765] kmem_cache_alloc+0x2d7/0x780 [ 60.353710] ? add_to_page_cache_lru+0x159/0x310 [ 60.361547] ? add_to_page_cache_locked+0x40/0x40 [ 60.361561] alloc_buffer_head+0x24/0xe0 [ 60.361569] alloc_page_buffers+0xb7/0x200 [ 60.361579] __getblk_gfp+0x342/0x7c0 [ 60.361587] ? filemap_write_and_wait+0x8d/0xb0 [ 60.361601] __bread_gfp+0x2e/0x290 [ 60.361612] ext4_fill_super+0x581/0xb470 [ 60.369812] ? netdev_bits+0xb0/0xb0 [ 60.369822] ? format_decode+0x1d8/0x930 [ 60.369832] ? set_precision+0x150/0x150 [ 60.369851] ? ext4_calculate_overhead+0x1010/0x1010 [ 60.378724] ? snprintf+0xa5/0xd0 [ 60.378732] ? vsprintf+0x40/0x40 [ 60.378744] ? set_blocksize+0x270/0x300 [ 60.378750] ? set_bdev_super+0x120/0x120 [ 60.378762] mount_bdev+0x2be/0x370 [ 60.383682] FAULT_INJECTION: forcing a failure. [ 60.383682] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 60.385639] ? mount_bdev+0x2be/0x370 [ 60.628981] ? ext4_calculate_overhead+0x1010/0x1010 [ 60.634073] ext4_mount+0x35/0x40 [ 60.637510] mount_fs+0x97/0x2a1 [ 60.640860] vfs_kern_mount.part.0+0x5e/0x3d0 [ 60.645347] do_mount+0x417/0x27d0 [ 60.648867] ? retint_kernel+0x2d/0x2d [ 60.652739] ? copy_mount_string+0x40/0x40 [ 60.656958] ? memset+0x32/0x40 [ 60.660231] ? copy_mount_options+0x1fe/0x2f0 [ 60.664722] SyS_mount+0xab/0x120 [ 60.668165] ? copy_mnt_ns+0x8c0/0x8c0 [ 60.672047] do_syscall_64+0x1e8/0x640 [ 60.675917] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.680745] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 60.685918] RIP: 0033:0x448f7a [ 60.689090] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 60.696781] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 60.704044] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 60.711483] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 60.718956] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000020 [ 60.726241] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 60.733978] CPU: 1 PID: 7316 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 60.737813] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 60.741867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.741870] Call Trace: [ 60.741886] dump_stack+0x142/0x197 [ 60.741899] should_fail.cold+0x10f/0x159 [ 60.741910] __alloc_pages_nodemask+0x1d6/0x7a0 [ 60.741920] ? __alloc_pages_slowpath+0x2930/0x2930 [ 60.741936] cache_grow_begin+0x80/0x400 [ 60.781176] kmem_cache_alloc_trace+0x6b2/0x790 [ 60.785862] ext4_fill_super+0x11d/0xb470 [ 60.790019] ? netdev_bits+0xb0/0xb0 [ 60.793742] ? format_decode+0x1d8/0x930 [ 60.797812] ? set_precision+0x150/0x150 [ 60.801886] ? vsnprintf+0x290/0x1560 [ 60.805704] ? ext4_calculate_overhead+0x1010/0x1010 [ 60.810812] ? snprintf+0xa5/0xd0 [ 60.814272] ? vsprintf+0x40/0x40 [ 60.817736] ? set_blocksize+0x270/0x300 [ 60.821813] ? set_bdev_super+0x120/0x120 [ 60.825950] mount_bdev+0x2be/0x370 [ 60.829558] ? mount_bdev+0x2be/0x370 [ 60.833342] ? ext4_calculate_overhead+0x1010/0x1010 [ 60.838428] ext4_mount+0x35/0x40 [ 60.841864] mount_fs+0x97/0x2a1 [ 60.845212] vfs_kern_mount.part.0+0x5e/0x3d0 [ 60.849687] do_mount+0x417/0x27d0 [ 60.853208] ? retint_kernel+0x2d/0x2d [ 60.857083] ? copy_mount_string+0x40/0x40 [ 60.861420] ? memset+0x32/0x40 [ 60.864681] ? copy_mount_options+0x1fe/0x2f0 [ 60.869257] SyS_mount+0xab/0x120 [ 60.872710] ? copy_mnt_ns+0x8c0/0x8c0 [ 60.876641] do_syscall_64+0x1e8/0x640 [ 60.880532] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.885371] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 60.890801] RIP: 0033:0x448f7a [ 60.893976] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 60.901674] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 60.908924] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 60.916188] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 60.924061] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005 [ 60.931318] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 60.939751] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 60.953899] FAULT_INJECTION: forcing a failure. [ 60.953899] name failslab, interval 1, probability 0, space 0, times 0 [ 60.965209] CPU: 1 PID: 7324 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 60.973103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.982472] Call Trace: [ 60.985057] dump_stack+0x142/0x197 [ 60.985072] should_fail.cold+0x10f/0x159 [ 60.985085] should_failslab+0xdb/0x130 [ 60.989777] FAULT_INJECTION: forcing a failure. [ 60.989777] name failslab, interval 1, probability 0, space 0, times 0 [ 60.992852] kmem_cache_alloc+0x2d7/0x780 [ 60.992862] ? __this_cpu_preempt_check+0x1d/0x30 [ 60.992871] ? recalc_bh_state+0x3b/0x170 [ 61.022439] alloc_buffer_head+0x24/0xe0 [ 61.026501] alloc_page_buffers+0xb7/0x200 [ 61.031358] __getblk_gfp+0x342/0x7c0 [ 61.035931] ? filemap_write_and_wait+0x8d/0xb0 [ 61.041082] __bread_gfp+0x2e/0x290 [ 61.044723] ext4_fill_super+0x581/0xb470 [ 61.049389] ? netdev_bits+0xb0/0xb0 [ 61.053281] ? format_decode+0x1d8/0x930 [ 61.057620] ? set_precision+0x150/0x150 [ 61.061799] ? ext4_calculate_overhead+0x1010/0x1010 [ 61.067266] ? snprintf+0xa5/0xd0 [ 61.070706] ? vsprintf+0x40/0x40 [ 61.074431] ? set_blocksize+0x270/0x300 [ 61.078576] ? set_bdev_super+0x120/0x120 [ 61.082717] mount_bdev+0x2be/0x370 [ 61.086341] ? mount_bdev+0x2be/0x370 [ 61.090149] ? ext4_calculate_overhead+0x1010/0x1010 [ 61.095258] ext4_mount+0x35/0x40 [ 61.099147] mount_fs+0x97/0x2a1 [ 61.102521] vfs_kern_mount.part.0+0x5e/0x3d0 [ 61.107107] do_mount+0x417/0x27d0 [ 61.110637] ? retint_kernel+0x2d/0x2d [ 61.114520] ? copy_mount_string+0x40/0x40 [ 61.118739] ? memset+0x32/0x40 [ 61.122004] ? copy_mount_options+0x1fe/0x2f0 [ 61.126495] SyS_mount+0xab/0x120 [ 61.129950] ? copy_mnt_ns+0x8c0/0x8c0 [ 61.133828] do_syscall_64+0x1e8/0x640 [ 61.137703] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.142880] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 61.148068] RIP: 0033:0x448f7a [ 61.151250] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 61.158954] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 61.166232] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 61.173506] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 61.180861] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015 [ 61.188220] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 61.195491] CPU: 0 PID: 7326 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 61.198822] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 61.203405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.203410] Call Trace: [ 61.203426] dump_stack+0x142/0x197 [ 61.203439] should_fail.cold+0x10f/0x159 [ 61.203451] should_failslab+0xdb/0x130 [ 61.203458] kmem_cache_alloc_trace+0x2e9/0x790 [ 61.203472] ext4_fill_super+0x208/0xb470 [ 61.241820] ? netdev_bits+0xb0/0xb0 [ 61.245584] ? format_decode+0x1d8/0x930 [ 61.249643] ? set_precision+0x150/0x150 [ 61.253697] ? vsnprintf+0x290/0x1560 [ 61.257496] ? ext4_calculate_overhead+0x1010/0x1010 [ 61.262588] ? snprintf+0xa5/0xd0 [ 61.266027] ? vsprintf+0x40/0x40 [ 61.269639] ? set_blocksize+0x270/0x300 [ 61.273704] ? set_bdev_super+0x120/0x120 [ 61.277885] mount_bdev+0x2be/0x370 [ 61.281522] ? mount_bdev+0x2be/0x370 [ 61.285326] ? ext4_calculate_overhead+0x1010/0x1010 [ 61.290446] ext4_mount+0x35/0x40 [ 61.293896] mount_fs+0x97/0x2a1 [ 61.297259] vfs_kern_mount.part.0+0x5e/0x3d0 [ 61.301759] do_mount+0x417/0x27d0 [ 61.305304] ? retint_kernel+0x2d/0x2d [ 61.309196] ? copy_mount_string+0x40/0x40 [ 61.313418] ? memset+0x32/0x40 [ 61.316684] ? copy_mount_options+0x1fe/0x2f0 [ 61.321178] SyS_mount+0xab/0x120 [ 61.324612] ? copy_mnt_ns+0x8c0/0x8c0 [ 61.328503] do_syscall_64+0x1e8/0x640 [ 61.332414] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.337260] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 61.342457] RIP: 0033:0x448f7a [ 61.345646] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 61.353361] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 61.360636] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 61.368178] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 61.375531] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000021 [ 61.382882] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 61.399494] FAULT_INJECTION: forcing a failure. [ 61.399494] name failslab, interval 1, probability 0, space 0, times 0 [ 61.410910] CPU: 0 PID: 7333 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 61.418809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.428260] Call Trace: [ 61.430859] dump_stack+0x142/0x197 [ 61.434499] should_fail.cold+0x10f/0x159 [ 61.438660] should_failslab+0xdb/0x130 [ 61.442651] kmem_cache_alloc+0x2d7/0x780 [ 61.446903] ? add_to_page_cache_lru+0x159/0x310 [ 61.451643] ? add_to_page_cache_locked+0x40/0x40 [ 61.456473] alloc_buffer_head+0x24/0xe0 [ 61.460535] alloc_page_buffers+0xb7/0x200 [ 61.464865] __getblk_gfp+0x342/0x7c0 [ 61.468658] ? filemap_write_and_wait+0x8d/0xb0 [ 61.473326] __bread_gfp+0x2e/0x290 [ 61.476945] ext4_fill_super+0x581/0xb470 [ 61.481122] ? netdev_bits+0xb0/0xb0 [ 61.484861] ? format_decode+0x1d8/0x930 [ 61.488937] ? set_precision+0x150/0x150 [ 61.493028] ? ext4_calculate_overhead+0x1010/0x1010 [ 61.498132] ? snprintf+0xa5/0xd0 [ 61.501572] ? vsprintf+0x40/0x40 [ 61.505016] ? set_blocksize+0x270/0x300 [ 61.509061] ? set_bdev_super+0x120/0x120 [ 61.513223] mount_bdev+0x2be/0x370 [ 61.516850] ? mount_bdev+0x2be/0x370 [ 61.520909] ? ext4_calculate_overhead+0x1010/0x1010 [ 61.526141] ext4_mount+0x35/0x40 [ 61.529582] mount_fs+0x97/0x2a1 [ 61.532941] vfs_kern_mount.part.0+0x5e/0x3d0 [ 61.537428] do_mount+0x417/0x27d0 [ 61.541128] ? retint_kernel+0x2d/0x2d [ 61.545018] ? copy_mount_string+0x40/0x40 [ 61.549252] ? memset+0x32/0x40 [ 61.552532] ? copy_mount_options+0x1fe/0x2f0 [ 61.557206] SyS_mount+0xab/0x120 [ 61.560650] ? copy_mnt_ns+0x8c0/0x8c0 [ 61.564531] do_syscall_64+0x1e8/0x640 [ 61.568405] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.573364] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 61.578544] RIP: 0033:0x448f7a [ 61.581714] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 61.589417] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 61.596680] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 61.603945] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 61.611337] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000006 [ 61.618620] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 61.632589] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 61.654875] FAULT_INJECTION: forcing a failure. [ 61.654875] name failslab, interval 1, probability 0, space 0, times 0 [ 61.672237] CPU: 0 PID: 7341 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 61.680331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.680336] Call Trace: [ 61.680355] dump_stack+0x142/0x197 [ 61.680370] should_fail.cold+0x10f/0x159 [ 61.680382] should_failslab+0xdb/0x130 [ 61.680390] kmem_cache_alloc_trace+0x2e9/0x790 [ 61.680397] ? memcpy+0x46/0x50 [ 61.680409] ext4_fill_super+0x11d/0xb470 [ 61.680417] ? netdev_bits+0xb0/0xb0 [ 61.680424] ? format_decode+0x1d8/0x930 [ 61.680435] ? set_precision+0x150/0x150 [ 61.692494] ? vsnprintf+0x290/0x1560 [ 61.692511] ? ext4_calculate_overhead+0x1010/0x1010 [ 61.692521] ? snprintf+0xa5/0xd0 [ 61.700299] ? vsprintf+0x40/0x40 [ 61.700312] ? set_blocksize+0x270/0x300 [ 61.700319] ? set_bdev_super+0x120/0x120 [ 61.700331] mount_bdev+0x2be/0x370 [ 61.700337] ? mount_bdev+0x2be/0x370 [ 61.700344] ? ext4_calculate_overhead+0x1010/0x1010 [ 61.700358] ext4_mount+0x35/0x40 [ 61.705952] FAULT_INJECTION: forcing a failure. [ 61.705952] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 61.708995] mount_fs+0x97/0x2a1 [ 61.783151] vfs_kern_mount.part.0+0x5e/0x3d0 [ 61.787645] do_mount+0x417/0x27d0 [ 61.791196] ? retint_kernel+0x2d/0x2d [ 61.795093] ? copy_mount_string+0x40/0x40 [ 61.799337] ? memset+0x32/0x40 [ 61.802607] ? copy_mount_options+0x1fe/0x2f0 [ 61.807270] SyS_mount+0xab/0x120 [ 61.811248] ? copy_mnt_ns+0x8c0/0x8c0 [ 61.815125] do_syscall_64+0x1e8/0x640 [ 61.819007] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.823836] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 61.829021] RIP: 0033:0x448f7a [ 61.832195] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 61.839921] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 61.847198] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 61.854554] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 61.861816] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000016 [ 61.869089] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 61.876484] CPU: 1 PID: 7338 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 61.884383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.894295] Call Trace: [ 61.896890] dump_stack+0x142/0x197 [ 61.900531] should_fail.cold+0x10f/0x159 [ 61.904693] __alloc_pages_nodemask+0x1d6/0x7a0 [ 61.909374] ? __alloc_pages_slowpath+0x2930/0x2930 [ 61.914408] cache_grow_begin+0x80/0x400 [ 61.918479] kmem_cache_alloc_trace+0x6b2/0x790 [ 61.923162] ext4_fill_super+0x11d/0xb470 [ 61.927328] ? netdev_bits+0xb0/0xb0 [ 61.931048] ? format_decode+0x1d8/0x930 [ 61.934162] FAULT_INJECTION: forcing a failure. [ 61.934162] name failslab, interval 1, probability 0, space 0, times 0 [ 61.935113] ? set_precision+0x150/0x150 [ 61.935126] ? vsnprintf+0x290/0x1560 [ 61.935142] ? ext4_calculate_overhead+0x1010/0x1010 [ 61.935151] ? snprintf+0xa5/0xd0 [ 61.935164] ? vsprintf+0x40/0x40 [ 61.935175] ? set_blocksize+0x270/0x300 [ 61.970290] ? set_bdev_super+0x120/0x120 [ 61.974477] mount_bdev+0x2be/0x370 [ 61.978086] ? mount_bdev+0x2be/0x370 [ 61.982296] ? ext4_calculate_overhead+0x1010/0x1010 [ 61.987413] ext4_mount+0x35/0x40 [ 61.990871] mount_fs+0x97/0x2a1 [ 61.994231] vfs_kern_mount.part.0+0x5e/0x3d0 [ 61.998828] do_mount+0x417/0x27d0 [ 62.002374] ? retint_kernel+0x2d/0x2d [ 62.006272] ? copy_mount_string+0x40/0x40 [ 62.011112] ? memset+0x32/0x40 [ 62.014379] ? copy_mount_options+0x1fe/0x2f0 [ 62.018861] SyS_mount+0xab/0x120 [ 62.022298] ? copy_mnt_ns+0x8c0/0x8c0 [ 62.032974] do_syscall_64+0x1e8/0x640 [ 62.036847] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.041693] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 62.046871] RIP: 0033:0x448f7a [ 62.050050] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 62.058536] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 62.065793] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 62.073055] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 62.080329] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000022 [ 62.087603] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 62.094908] CPU: 0 PID: 7344 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 62.101754] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 62.102822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.118145] Call Trace: [ 62.120745] dump_stack+0x142/0x197 [ 62.124396] should_fail.cold+0x10f/0x159 [ 62.128554] should_failslab+0xdb/0x130 [ 62.132517] __kmalloc+0x2f0/0x7a0 [ 62.136075] ? lock_downgrade+0x740/0x740 [ 62.140233] ? register_shrinker+0xbd/0x220 [ 62.144543] register_shrinker+0xbd/0x220 [ 62.148680] sget_userns+0x9bf/0xc30 [ 62.152394] ? ns_test_super+0x50/0x50 [ 62.156263] ? set_bdev_super+0x120/0x120 [ 62.160395] ? set_bdev_super+0x120/0x120 [ 62.164535] ? ns_test_super+0x50/0x50 [ 62.168538] sget+0xd6/0x120 [ 62.171547] mount_bdev+0xd5/0x370 [ 62.175086] ? ext4_calculate_overhead+0x1010/0x1010 [ 62.180203] ext4_mount+0x35/0x40 [ 62.183639] mount_fs+0x97/0x2a1 [ 62.187001] vfs_kern_mount.part.0+0x5e/0x3d0 [ 62.191477] do_mount+0x417/0x27d0 [ 62.195013] ? retint_kernel+0x2d/0x2d [ 62.198881] ? copy_mount_string+0x40/0x40 [ 62.203097] ? memset+0x32/0x40 [ 62.206444] ? copy_mount_options+0x1fe/0x2f0 [ 62.210935] SyS_mount+0xab/0x120 [ 62.214373] ? copy_mnt_ns+0x8c0/0x8c0 [ 62.218264] do_syscall_64+0x1e8/0x640 [ 62.222140] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.227040] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 62.232612] RIP: 0033:0x448f7a [ 62.235786] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 62.243490] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 62.250745] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 62.257996] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 62.265309] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000007 [ 62.272615] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 62.281745] ------------[ cut here ]------------ [ 62.286700] WARNING: CPU: 0 PID: 7344 at fs/super.c:1163 kill_block_super+0xc9/0xf0 [ 62.294501] Kernel panic - not syncing: panic_on_warn set ... [ 62.294501] [ 62.301958] CPU: 0 PID: 7344 Comm: syz-executor171 Not tainted 4.14.160-syzkaller #0 [ 62.309820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.319161] Call Trace: [ 62.321744] dump_stack+0x142/0x197 [ 62.325371] panic+0x1f9/0x42d [ 62.328553] ? add_taint.cold+0x16/0x16 [ 62.332512] ? kill_block_super+0xc9/0xf0 [ 62.336642] ? kill_block_super+0xc9/0xf0 [ 62.340772] __warn.cold+0x2f/0x2f [ 62.344296] ? ist_end_non_atomic+0x10/0x10 [ 62.348596] ? kill_block_super+0xc9/0xf0 [ 62.352737] report_bug+0x216/0x254 [ 62.356347] do_error_trap+0x1bb/0x310 [ 62.360238] ? math_error+0x360/0x360 [ 62.364038] ? save_trace+0x290/0x290 [ 62.367823] ? generic_shutdown_super+0x27c/0x370 [ 62.372651] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.377485] do_invalid_op+0x1b/0x20 [ 62.381180] invalid_op+0x1b/0x40 [ 62.384628] RIP: 0010:kill_block_super+0xc9/0xf0 [ 62.389362] RSP: 0018:ffff888079d27b98 EFLAGS: 00010297 [ 62.394711] RAX: ffff888089382640 RBX: 0000000000000000 RCX: 1ffff110112705d6 [ 62.404396] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880a6d74460 [ 62.411652] RBP: ffff888079d27bb0 R08: ffff888089382640 R09: 0000000000000001 [ 62.418942] R10: 0000000000000000 R11: ffff888089382640 R12: ffff8880a5670300 [ 62.426213] R13: ffff8880a6d740c0 R14: ffff8880a5670300 R15: dffffc0000000000 [ 62.433488] ? kill_block_super+0xc9/0xf0 [ 62.437622] deactivate_locked_super+0x74/0xe0 [ 62.442187] sget_userns+0x9d9/0xc30 [ 62.445895] ? ns_test_super+0x50/0x50 [ 62.449774] ? set_bdev_super+0x120/0x120 [ 62.453903] ? set_bdev_super+0x120/0x120 [ 62.458045] ? ns_test_super+0x50/0x50 [ 62.461912] sget+0xd6/0x120 [ 62.464917] mount_bdev+0xd5/0x370 [ 62.468456] ? ext4_calculate_overhead+0x1010/0x1010 [ 62.473548] ext4_mount+0x35/0x40 [ 62.476985] mount_fs+0x97/0x2a1 [ 62.480447] vfs_kern_mount.part.0+0x5e/0x3d0 [ 62.484950] do_mount+0x417/0x27d0 [ 62.488481] ? retint_kernel+0x2d/0x2d [ 62.492448] ? copy_mount_string+0x40/0x40 [ 62.496672] ? memset+0x32/0x40 [ 62.499948] ? copy_mount_options+0x1fe/0x2f0 [ 62.504431] SyS_mount+0xab/0x120 [ 62.507866] ? copy_mnt_ns+0x8c0/0x8c0 [ 62.511737] do_syscall_64+0x1e8/0x640 [ 62.515609] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.520469] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 62.525912] RIP: 0033:0x448f7a [ 62.529116] RSP: 002b:00007ffe8806ffd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 62.536918] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000448f7a [ 62.544190] RDX: 00007ffe88070020 RSI: 00000000200000c0 RDI: 00007ffe88070040 [ 62.551452] RBP: 0000000000000000 R08: 00007ffe88070080 R09: 0000000000000000 [ 62.558731] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000007 [ 62.565985] R13: 00007ffe88070370 R14: 0000000000000005 R15: 0000000000000000 [ 62.574999] Kernel Offset: disabled [ 62.578713] Rebooting in 86400 seconds..