Warning: Permanently added '10.128.15.193' (ECDSA) to the list of known hosts. [ 162.167116] IPVS: ftp: loaded support on port[0] = 21 executing program [ 162.203778] IPVS: ftp: loaded support on port[0] = 21 [ 162.229927] FAULT_INJECTION: forcing a failure. [ 162.229927] name failslab, interval 1, probability 0, space 0, times 1 [ 162.242060] CPU: 1 PID: 8028 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 162.249956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.259308] Call Trace: [ 162.261903] dump_stack+0x1b2/0x283 [ 162.265538] should_fail.cold+0x10a/0x154 [ 162.270208] should_failslab+0xd6/0x130 [ 162.274183] kmem_cache_alloc+0x40/0x3c0 [ 162.278247] __debug_object_init+0x578/0x7a0 [ 162.282746] ? create_task_io_context+0x2a/0x3c0 [ 162.287501] ? debug_object_destroy+0x240/0x240 [ 162.292168] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 162.297192] ? __lockdep_init_map+0x100/0x560 [ 162.301726] __init_work+0x3f/0x50 [ 162.303837] FAULT_INJECTION: forcing a failure. [ 162.303837] name failslab, interval 1, probability 0, space 0, times 1 [ 162.305263] create_task_io_context+0x15e/0x3c0 [ 162.305276] generic_make_request_checks+0x1350/0x19f0 [ 162.326463] ? mempool_alloc+0x10e/0x2d0 [ 162.330524] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 162.335968] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 162.340531] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 162.345527] ? trace_hardirqs_on+0x10/0x10 [ 162.349742] generic_make_request+0x67/0x850 [ 162.354136] ? remove_element.isra.0+0x1b0/0x1b0 [ 162.358884] ? blk_queue_exit+0x1d0/0x1d0 [ 162.363022] ? mark_held_locks+0xa6/0xf0 [ 162.367073] ? guard_bio_eod+0x15c/0x520 [ 162.371135] submit_bio+0x234/0x390 [ 162.374769] ? generic_make_request+0x850/0x850 [ 162.379449] ? guard_bio_eod+0x183/0x520 [ 162.383501] ? bio_add_page+0x96/0xe0 [ 162.387292] submit_bh_wbc+0x526/0x6f0 [ 162.391178] ? vfat_cmpi+0x3a0/0x3a0 [ 162.394889] __bread_gfp+0x11c/0x2e0 [ 162.398582] fat_fill_super+0x2f9/0x31b0 [ 162.402637] ? vsnprintf+0x260/0x1340 [ 162.406432] ? fat_write_end+0x280/0x280 [ 162.410473] ? lock_downgrade+0x740/0x740 [ 162.414611] ? snprintf+0xa5/0xd0 [ 162.418065] ? vsprintf+0x30/0x30 [ 162.421538] ? ns_test_super+0x50/0x50 [ 162.425410] ? set_blocksize+0x125/0x380 [ 162.429465] mount_bdev+0x2b3/0x360 [ 162.433087] ? vfat_mount+0x40/0x40 [ 162.436701] mount_fs+0x92/0x2a0 [ 162.440050] vfs_kern_mount.part.0+0x5b/0x470 [ 162.444627] do_mount+0xe53/0x2a00 [ 162.448148] ? do_raw_spin_unlock+0x164/0x220 [ 162.452641] ? copy_mount_string+0x40/0x40 [ 162.457027] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 162.462030] ? copy_mnt_ns+0xa30/0xa30 [ 162.465899] ? copy_mount_options+0x1fa/0x2f0 [ 162.470379] ? copy_mnt_ns+0xa30/0xa30 [ 162.474248] SyS_mount+0xa8/0x120 [ 162.477680] ? copy_mnt_ns+0xa30/0xa30 [ 162.481547] do_syscall_64+0x1d5/0x640 [ 162.485418] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 162.490601] RIP: 0033:0x44e51a [ 162.493786] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 162.503320] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 162.510593] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 162.517945] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f executing program [ 162.525205] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 162.532461] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 162.539808] CPU: 0 PID: 8052 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 162.544247] IPVS: ftp: loaded support on port[0] = 21 [ 162.547695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.558347] FAT-fs (loop0): bogus number of reserved sectors [ 162.562205] Call Trace: [ 162.562221] dump_stack+0x1b2/0x283 [ 162.562232] should_fail.cold+0x10a/0x154 [ 162.562243] should_failslab+0xd6/0x130 [ 162.562252] kmem_cache_alloc+0x28e/0x3c0 [ 162.562262] alloc_buffer_head+0x20/0x110 [ 162.562269] alloc_page_buffers+0xb3/0x1f0 [ 162.562279] __getblk_slow+0x2d6/0x7a0 [ 162.568364] FAT-fs (loop0): Can't find a valid FAT filesystem [ 162.570642] ? vfat_cmpi+0x3a0/0x3a0 [ 162.570652] __bread_gfp+0x206/0x2e0 [ 162.570661] fat_fill_super+0x2f9/0x31b0 [ 162.616648] ? vsnprintf+0x260/0x1340 [ 162.620549] ? fat_write_end+0x280/0x280 [ 162.624600] ? lock_downgrade+0x740/0x740 [ 162.628730] ? snprintf+0xa5/0xd0 [ 162.632164] ? vsprintf+0x30/0x30 [ 162.635597] ? ns_test_super+0x50/0x50 [ 162.639465] ? set_blocksize+0x125/0x380 [ 162.643506] mount_bdev+0x2b3/0x360 [ 162.647131] ? vfat_mount+0x40/0x40 [ 162.650745] mount_fs+0x92/0x2a0 [ 162.654144] vfs_kern_mount.part.0+0x5b/0x470 [ 162.658621] do_mount+0xe53/0x2a00 [ 162.662140] ? do_raw_spin_unlock+0x164/0x220 [ 162.666612] ? copy_mount_string+0x40/0x40 [ 162.670824] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 162.675819] ? copy_mnt_ns+0xa30/0xa30 [ 162.679684] ? copy_mount_options+0x1fa/0x2f0 [ 162.684160] ? copy_mnt_ns+0xa30/0xa30 [ 162.688043] SyS_mount+0xa8/0x120 [ 162.691477] ? copy_mnt_ns+0xa30/0xa30 [ 162.695344] do_syscall_64+0x1d5/0x640 [ 162.699221] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 162.704438] RIP: 0033:0x44e51a [ 162.707606] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 162.715299] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 162.722755] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 executing program [ 162.730012] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 162.737278] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 162.744527] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 162.765825] FAT-fs (loop3): bogus number of reserved sectors [ 162.772544] FAT-fs (loop3): Can't find a valid FAT filesystem [ 162.818667] IPVS: ftp: loaded support on port[0] = 21 executing program [ 162.842627] FAULT_INJECTION: forcing a failure. [ 162.842627] name failslab, interval 1, probability 0, space 0, times 0 [ 162.861532] CPU: 0 PID: 8070 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 162.864527] FAULT_INJECTION: forcing a failure. [ 162.864527] name failslab, interval 1, probability 0, space 0, times 0 [ 162.869441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.869445] Call Trace: [ 162.869458] dump_stack+0x1b2/0x283 [ 162.869472] should_fail.cold+0x10a/0x154 [ 162.900309] ? mempool_free+0x1d0/0x1d0 [ 162.904266] should_failslab+0xd6/0x130 [ 162.908234] kmem_cache_alloc+0x40/0x3c0 [ 162.912286] ? mempool_free+0x1d0/0x1d0 [ 162.916252] mempool_alloc+0x10e/0x2d0 [ 162.920126] ? remove_element.isra.0+0x1b0/0x1b0 [ 162.924865] ? mark_held_locks+0xa6/0xf0 [ 162.928909] ? __find_get_block+0x817/0xc40 [ 162.933224] bio_alloc_bioset+0x41b/0x830 [ 162.937357] ? bvec_alloc+0x2d0/0x2d0 [ 162.941161] ? __getblk_slow+0x57f/0x7a0 [ 162.945207] submit_bh_wbc+0xf5/0x6f0 [ 162.949002] ? vfat_cmpi+0x3a0/0x3a0 [ 162.952696] __bread_gfp+0x11c/0x2e0 [ 162.956396] fat_fill_super+0x2f9/0x31b0 [ 162.960435] ? vsnprintf+0x260/0x1340 [ 162.964479] ? fat_write_end+0x280/0x280 [ 162.968520] ? lock_downgrade+0x740/0x740 [ 162.972677] ? snprintf+0xa5/0xd0 [ 162.976117] ? vsprintf+0x30/0x30 [ 162.979554] ? ns_test_super+0x50/0x50 [ 162.983473] ? set_blocksize+0x125/0x380 [ 162.987541] mount_bdev+0x2b3/0x360 [ 162.991239] ? vfat_mount+0x40/0x40 [ 162.994850] mount_fs+0x92/0x2a0 [ 162.998219] vfs_kern_mount.part.0+0x5b/0x470 [ 163.002710] do_mount+0xe53/0x2a00 [ 163.006242] ? do_raw_spin_unlock+0x164/0x220 [ 163.010730] ? copy_mount_string+0x40/0x40 [ 163.014945] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 163.019939] ? copy_mnt_ns+0xa30/0xa30 [ 163.023960] ? copy_mount_options+0x1fa/0x2f0 [ 163.028443] ? copy_mnt_ns+0xa30/0xa30 [ 163.032334] SyS_mount+0xa8/0x120 [ 163.037426] ? copy_mnt_ns+0xa30/0xa30 [ 163.041301] do_syscall_64+0x1d5/0x640 [ 163.045179] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 163.050350] RIP: 0033:0x44e51a [ 163.053873] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 163.061578] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 163.068848] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 163.076107] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 163.083367] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 executing program [ 163.090635] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 163.105228] IPVS: ftp: loaded support on port[0] = 21 [ 163.115892] FAT-fs (loop0): bogus number of reserved sectors [ 163.120593] CPU: 1 PID: 8100 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 163.121964] FAT-fs (loop0): Can't find a valid FAT filesystem [ 163.129600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.144800] Call Trace: [ 163.147375] dump_stack+0x1b2/0x283 [ 163.150982] should_fail.cold+0x10a/0x154 [ 163.155113] should_failslab+0xd6/0x130 [ 163.159064] kmem_cache_alloc+0x28e/0x3c0 [ 163.163211] alloc_buffer_head+0x20/0x110 [ 163.167346] alloc_page_buffers+0xb3/0x1f0 [ 163.171561] __getblk_slow+0x2d6/0x7a0 [ 163.175428] ? vfat_cmpi+0x3a0/0x3a0 [ 163.179121] __bread_gfp+0x206/0x2e0 [ 163.182817] fat_fill_super+0x2f9/0x31b0 [ 163.186857] ? vsnprintf+0x260/0x1340 [ 163.190635] ? fat_write_end+0x280/0x280 [ 163.194673] ? lock_downgrade+0x740/0x740 [ 163.198798] ? snprintf+0xa5/0xd0 [ 163.202226] ? vsprintf+0x30/0x30 [ 163.206098] ? ns_test_super+0x50/0x50 [ 163.209973] ? set_blocksize+0x125/0x380 [ 163.214014] mount_bdev+0x2b3/0x360 [ 163.217617] ? vfat_mount+0x40/0x40 [ 163.221224] mount_fs+0x92/0x2a0 [ 163.224673] vfs_kern_mount.part.0+0x5b/0x470 [ 163.229151] do_mount+0xe53/0x2a00 [ 163.232689] ? do_raw_spin_unlock+0x164/0x220 [ 163.237165] ? copy_mount_string+0x40/0x40 [ 163.241465] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 163.246464] ? copy_mnt_ns+0xa30/0xa30 [ 163.250332] ? copy_mount_options+0x1fa/0x2f0 [ 163.254803] ? copy_mnt_ns+0xa30/0xa30 [ 163.258671] SyS_mount+0xa8/0x120 [ 163.262101] ? copy_mnt_ns+0xa30/0xa30 [ 163.265969] do_syscall_64+0x1d5/0x640 [ 163.269851] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 163.275046] RIP: 0033:0x44e51a [ 163.278215] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 163.285913] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 163.293180] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 163.300427] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 163.307674] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 163.314920] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 163.328255] FAULT_INJECTION: forcing a failure. [ 163.328255] name failslab, interval 1, probability 0, space 0, times 0 [ 163.340331] CPU: 0 PID: 8120 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 163.348213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.357562] Call Trace: [ 163.360153] dump_stack+0x1b2/0x283 [ 163.363782] should_fail.cold+0x10a/0x154 [ 163.367932] should_failslab+0xd6/0x130 [ 163.371908] kmem_cache_alloc+0x28e/0x3c0 [ 163.376056] alloc_buffer_head+0x20/0x110 [ 163.380334] alloc_page_buffers+0xb3/0x1f0 [ 163.384572] __getblk_slow+0x2d6/0x7a0 [ 163.387861] FAT-fs (loop4): bogus number of reserved sectors [ 163.388456] ? vfat_cmpi+0x3a0/0x3a0 [ 163.388468] __bread_gfp+0x206/0x2e0 [ 163.388477] fat_fill_super+0x2f9/0x31b0 [ 163.388487] ? vsnprintf+0x260/0x1340 [ 163.394508] FAT-fs (loop4): Can't find a valid FAT filesystem [ 163.397979] ? fat_write_end+0x280/0x280 [ 163.397990] ? lock_downgrade+0x740/0x740 [ 163.397999] ? snprintf+0xa5/0xd0 [ 163.398006] ? vsprintf+0x30/0x30 [ 163.430409] ? ns_test_super+0x50/0x50 [ 163.434276] ? set_blocksize+0x125/0x380 [ 163.438593] mount_bdev+0x2b3/0x360 [ 163.442199] ? vfat_mount+0x40/0x40 [ 163.445812] mount_fs+0x92/0x2a0 [ 163.449157] vfs_kern_mount.part.0+0x5b/0x470 [ 163.453636] do_mount+0xe53/0x2a00 [ 163.457157] ? copy_mount_string+0x40/0x40 [ 163.461384] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 163.466398] ? copy_mnt_ns+0xa30/0xa30 [ 163.470374] ? copy_mount_options+0x1fa/0x2f0 [ 163.474941] ? copy_mnt_ns+0xa30/0xa30 [ 163.478819] SyS_mount+0xa8/0x120 [ 163.482264] ? copy_mnt_ns+0xa30/0xa30 [ 163.486135] do_syscall_64+0x1d5/0x640 [ 163.490018] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 163.495185] RIP: 0033:0x44e51a [ 163.498368] RSP: 002b:00007f069ce2db28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 163.506092] RAX: ffffffffffffffda RBX: 00007f069ce2db30 RCX: 000000000044e51a [ 163.513340] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce2db30 [ 163.521889] RBP: 0000000000000007 R08: 00007f069ce2db70 R09: 6f6f6c2f7665642f [ 163.529140] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 163.536388] R13: 0000000000000000 R14: 00007f069ce2db70 R15: 00007f069ce2e6d4 executing program [ 163.559510] FAT-fs (loop3): bogus number of reserved sectors [ 163.568709] FAT-fs (loop3): Can't find a valid FAT filesystem [ 163.587414] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program [ 163.662302] FAULT_INJECTION: forcing a failure. [ 163.662302] name failslab, interval 1, probability 0, space 0, times 0 [ 163.680319] FAULT_INJECTION: forcing a failure. [ 163.680319] name failslab, interval 1, probability 0, space 0, times 0 [ 163.681598] FAULT_INJECTION: forcing a failure. [ 163.681598] name failslab, interval 1, probability 0, space 0, times 0 [ 163.695536] CPU: 1 PID: 8181 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 163.711010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.721178] Call Trace: [ 163.723761] dump_stack+0x1b2/0x283 [ 163.727392] should_fail.cold+0x10a/0x154 [ 163.731546] should_failslab+0xd6/0x130 [ 163.735531] kmem_cache_alloc+0x28e/0x3c0 [ 163.739696] alloc_buffer_head+0x20/0x110 [ 163.744230] alloc_page_buffers+0xb3/0x1f0 [ 163.748463] __getblk_slow+0x2d6/0x7a0 [ 163.752346] ? vfat_cmpi+0x3a0/0x3a0 [ 163.756055] __bread_gfp+0x206/0x2e0 [ 163.759765] fat_fill_super+0x2f9/0x31b0 [ 163.763834] ? vsnprintf+0x260/0x1340 [ 163.767638] ? fat_write_end+0x280/0x280 [ 163.771697] ? lock_downgrade+0x740/0x740 [ 163.775950] ? snprintf+0xa5/0xd0 [ 163.779391] ? vsprintf+0x30/0x30 [ 163.782840] ? ns_test_super+0x50/0x50 [ 163.786729] ? set_blocksize+0x125/0x380 [ 163.790782] mount_bdev+0x2b3/0x360 [ 163.794391] ? vfat_mount+0x40/0x40 [ 163.798089] mount_fs+0x92/0x2a0 [ 163.801451] vfs_kern_mount.part.0+0x5b/0x470 [ 163.805931] do_mount+0xe53/0x2a00 [ 163.809471] ? copy_mount_string+0x40/0x40 [ 163.813699] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 163.819309] ? copy_mnt_ns+0xa30/0xa30 [ 163.823189] ? copy_mount_options+0x1fa/0x2f0 [ 163.827672] ? copy_mnt_ns+0xa30/0xa30 [ 163.831577] SyS_mount+0xa8/0x120 [ 163.835042] ? copy_mnt_ns+0xa30/0xa30 [ 163.838912] do_syscall_64+0x1d5/0x640 [ 163.842785] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 163.847972] RIP: 0033:0x44e51a [ 163.851147] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 163.859226] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 163.866484] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 163.873746] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 163.881004] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 163.888258] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 163.895700] CPU: 0 PID: 8130 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 163.903598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.912954] FAT-fs (loop2): bogus number of reserved sectors [ 163.912962] FAT-fs (loop2): Can't find a valid FAT filesystem [ 163.918737] Call Trace: [ 163.918782] dump_stack+0x1b2/0x283 [ 163.918797] should_fail.cold+0x10a/0x154 [ 163.926346] FAULT_INJECTION: forcing a failure. [ 163.926346] name failslab, interval 1, probability 0, space 0, times 0 [ 163.927264] should_failslab+0xd6/0x130 [ 163.950140] __kmalloc+0x2c1/0x400 [ 163.953667] ? __list_lru_init+0x67/0x710 [ 163.957818] __list_lru_init+0x67/0x710 [ 163.959041] FAULT_INJECTION: forcing a failure. [ 163.959041] name failslab, interval 1, probability 0, space 0, times 0 [ 163.961803] sget_userns+0x504/0xc10 [ 163.961812] ? set_bdev_super+0x110/0x110 [ 163.961824] ? ns_test_super+0x50/0x50 [ 163.961834] ? set_bdev_super+0x110/0x110 [ 163.961840] ? ns_test_super+0x50/0x50 [ 163.961844] sget+0xd1/0x110 [ 163.961853] mount_bdev+0xcd/0x360 [ 163.961860] ? vfat_mount+0x40/0x40 [ 163.961868] mount_fs+0x92/0x2a0 [ 163.961879] vfs_kern_mount.part.0+0x5b/0x470 [ 163.961888] do_mount+0xe53/0x2a00 [ 163.961898] ? do_raw_spin_unlock+0x164/0x220 [ 163.961909] ? copy_mount_string+0x40/0x40 [ 163.961921] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 164.028321] ? copy_mnt_ns+0xa30/0xa30 [ 164.032206] ? copy_mount_options+0x1fa/0x2f0 [ 164.036700] ? copy_mnt_ns+0xa30/0xa30 [ 164.040584] SyS_mount+0xa8/0x120 [ 164.044061] ? copy_mnt_ns+0xa30/0xa30 [ 164.047945] do_syscall_64+0x1d5/0x640 [ 164.051847] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 164.057033] RIP: 0033:0x44e51a executing program [ 164.060305] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 164.068011] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 164.075363] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 164.082633] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 164.089903] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 164.097173] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 164.104482] CPU: 1 PID: 8199 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 164.112376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.121741] Call Trace: [ 164.124405] dump_stack+0x1b2/0x283 [ 164.128037] should_fail.cold+0x10a/0x154 [ 164.132168] should_failslab+0xd6/0x130 [ 164.136151] __kmalloc+0x2c1/0x400 [ 164.139674] ? __list_lru_init+0x67/0x710 [ 164.143806] __list_lru_init+0x67/0x710 [ 164.147765] sget_userns+0x504/0xc10 [ 164.151461] ? set_bdev_super+0x110/0x110 [ 164.155596] ? ns_test_super+0x50/0x50 [ 164.159488] ? set_bdev_super+0x110/0x110 [ 164.164940] ? ns_test_super+0x50/0x50 [ 164.168809] sget+0xd1/0x110 [ 164.171813] mount_bdev+0xcd/0x360 [ 164.175335] ? vfat_mount+0x40/0x40 [ 164.178947] mount_fs+0x92/0x2a0 [ 164.182299] vfs_kern_mount.part.0+0x5b/0x470 [ 164.186775] do_mount+0xe53/0x2a00 [ 164.190302] ? copy_mount_string+0x40/0x40 [ 164.194519] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 164.199531] ? copy_mnt_ns+0xa30/0xa30 [ 164.203400] ? copy_mount_options+0x1fa/0x2f0 [ 164.207873] ? copy_mnt_ns+0xa30/0xa30 [ 164.211773] SyS_mount+0xa8/0x120 [ 164.215207] ? copy_mnt_ns+0xa30/0xa30 [ 164.219075] do_syscall_64+0x1d5/0x640 [ 164.222968] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 164.228140] RIP: 0033:0x44e51a [ 164.231332] RSP: 002b:00007f069ce2db28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 164.239019] RAX: ffffffffffffffda RBX: 00007f069ce2db30 RCX: 000000000044e51a [ 164.246266] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce2db30 [ 164.253535] RBP: 0000000000000006 R08: 00007f069ce2db70 R09: 6f6f6c2f7665642f [ 164.260789] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000005 [ 164.268036] R13: 0000000000000000 R14: 00007f069ce2db70 R15: 00007f069ce2e6d4 [ 164.275471] CPU: 0 PID: 8174 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 164.283362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.292712] Call Trace: [ 164.295315] dump_stack+0x1b2/0x283 [ 164.298928] should_fail.cold+0x10a/0x154 [ 164.303057] should_failslab+0xd6/0x130 [ 164.307011] kmem_cache_alloc+0x28e/0x3c0 [ 164.311159] alloc_buffer_head+0x20/0x110 [ 164.315285] alloc_page_buffers+0xb3/0x1f0 [ 164.319501] __getblk_slow+0x2d6/0x7a0 [ 164.323372] ? vfat_cmpi+0x3a0/0x3a0 [ 164.327065] __bread_gfp+0x206/0x2e0 [ 164.330757] fat_fill_super+0x2f9/0x31b0 [ 164.334816] ? vsnprintf+0x260/0x1340 [ 164.338598] ? fat_write_end+0x280/0x280 [ 164.342641] ? lock_downgrade+0x740/0x740 [ 164.346769] ? snprintf+0xa5/0xd0 [ 164.350220] ? vsprintf+0x30/0x30 [ 164.353655] ? ns_test_super+0x50/0x50 [ 164.357537] ? set_blocksize+0x125/0x380 [ 164.361581] mount_bdev+0x2b3/0x360 [ 164.365189] ? vfat_mount+0x40/0x40 [ 164.369576] mount_fs+0x92/0x2a0 [ 164.372933] vfs_kern_mount.part.0+0x5b/0x470 [ 164.378024] do_mount+0xe53/0x2a00 [ 164.381565] ? copy_mount_string+0x40/0x40 [ 164.385785] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 164.390803] ? copy_mnt_ns+0xa30/0xa30 [ 164.394671] ? copy_mount_options+0x1fa/0x2f0 [ 164.399146] ? copy_mnt_ns+0xa30/0xa30 [ 164.403033] SyS_mount+0xa8/0x120 [ 164.406466] ? copy_mnt_ns+0xa30/0xa30 [ 164.410435] do_syscall_64+0x1d5/0x640 [ 164.414307] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 164.419475] RIP: 0033:0x44e51a [ 164.422658] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 164.430345] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 164.437599] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 164.445631] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 164.453001] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 164.460258] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 164.469129] CPU: 1 PID: 8192 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 164.475932] FAULT_INJECTION: forcing a failure. [ 164.475932] name failslab, interval 1, probability 0, space 0, times 0 [ 164.477042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.497673] Call Trace: [ 164.500265] dump_stack+0x1b2/0x283 [ 164.503887] should_fail.cold+0x10a/0x154 [ 164.508021] should_failslab+0xd6/0x130 [ 164.511982] kmem_cache_alloc+0x28e/0x3c0 [ 164.516123] alloc_buffer_head+0x20/0x110 [ 164.520255] alloc_page_buffers+0xb3/0x1f0 [ 164.524473] __getblk_slow+0x2d6/0x7a0 [ 164.528345] ? vfat_cmpi+0x3a0/0x3a0 [ 164.532041] __bread_gfp+0x206/0x2e0 [ 164.535746] fat_fill_super+0x2f9/0x31b0 [ 164.540076] ? vsnprintf+0x260/0x1340 [ 164.543884] ? fat_write_end+0x280/0x280 [ 164.547942] ? lock_downgrade+0x740/0x740 [ 164.552131] ? snprintf+0xa5/0xd0 [ 164.555702] ? vsprintf+0x30/0x30 [ 164.559149] ? ns_test_super+0x50/0x50 [ 164.563021] ? set_blocksize+0x125/0x380 [ 164.567071] mount_bdev+0x2b3/0x360 [ 164.570728] ? vfat_mount+0x40/0x40 [ 164.574344] mount_fs+0x92/0x2a0 [ 164.577699] vfs_kern_mount.part.0+0x5b/0x470 [ 164.582176] do_mount+0xe53/0x2a00 [ 164.585757] ? copy_mount_string+0x40/0x40 [ 164.589982] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 164.594981] ? copy_mnt_ns+0xa30/0xa30 [ 164.598857] ? copy_mount_options+0x1fa/0x2f0 [ 164.606646] ? copy_mnt_ns+0xa30/0xa30 [ 164.610517] SyS_mount+0xa8/0x120 [ 164.613956] ? copy_mnt_ns+0xa30/0xa30 [ 164.617828] do_syscall_64+0x1d5/0x640 [ 164.621703] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 164.626878] RIP: 0033:0x44e51a [ 164.630047] RSP: 002b:00007f069ce2db28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 164.637774] RAX: ffffffffffffffda RBX: 00007f069ce2db30 RCX: 000000000044e51a [ 164.645042] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce2db30 [ 164.652659] RBP: 0000000000000005 R08: 00007f069ce2db70 R09: 6f6f6c2f7665642f [ 164.660616] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 [ 164.667957] R13: 0000000000000000 R14: 00007f069ce2db70 R15: 00007f069ce2e6d4 [ 164.675221] CPU: 0 PID: 8209 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 164.683113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.692466] Call Trace: [ 164.695057] dump_stack+0x1b2/0x283 [ 164.698685] should_fail.cold+0x10a/0x154 [ 164.702833] should_failslab+0xd6/0x130 [ 164.706814] kmem_cache_alloc+0x28e/0x3c0 [ 164.710960] alloc_buffer_head+0x20/0x110 [ 164.715104] alloc_page_buffers+0xb3/0x1f0 [ 164.717589] FAT-fs (loop4): bogus number of reserved sectors [ 164.719337] __getblk_slow+0x2d6/0x7a0 [ 164.719356] ? vfat_cmpi+0x3a0/0x3a0 [ 164.725230] FAT-fs (loop4): Can't find a valid FAT filesystem [ 164.729048] __bread_gfp+0x206/0x2e0 [ 164.729058] fat_fill_super+0x2f9/0x31b0 [ 164.729067] ? vsnprintf+0x260/0x1340 [ 164.750151] ? fat_write_end+0x280/0x280 [ 164.754191] ? lock_downgrade+0x740/0x740 [ 164.758336] ? snprintf+0xa5/0xd0 [ 164.761786] ? vsprintf+0x30/0x30 [ 164.765224] ? ns_test_super+0x50/0x50 [ 164.769096] ? set_blocksize+0x125/0x380 [ 164.773233] mount_bdev+0x2b3/0x360 [ 164.776862] ? vfat_mount+0x40/0x40 [ 164.780474] mount_fs+0x92/0x2a0 [ 164.783824] vfs_kern_mount.part.0+0x5b/0x470 [ 164.788305] do_mount+0xe53/0x2a00 [ 164.791848] ? copy_mount_string+0x40/0x40 [ 164.796076] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 164.801072] ? copy_mnt_ns+0xa30/0xa30 [ 164.804939] ? copy_mount_options+0x1fa/0x2f0 [ 164.809517] ? copy_mnt_ns+0xa30/0xa30 [ 164.813406] SyS_mount+0xa8/0x120 [ 164.816843] ? copy_mnt_ns+0xa30/0xa30 [ 164.820712] do_syscall_64+0x1d5/0x640 [ 164.824605] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 164.829774] RIP: 0033:0x44e51a [ 164.832951] RSP: 002b:00007f069ce2db28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 164.840638] RAX: ffffffffffffffda RBX: 00007f069ce2db30 RCX: 000000000044e51a [ 164.847885] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce2db30 [ 164.855226] RBP: 0000000000000005 R08: 00007f069ce2db70 R09: 6f6f6c2f7665642f [ 164.862477] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 [ 164.869725] R13: 0000000000000000 R14: 00007f069ce2db70 R15: 00007f069ce2e6d4 [ 164.885098] FAT-fs (loop0): bogus number of reserved sectors [ 164.892388] FAT-fs (loop5): bogus number of reserved sectors [ 164.898209] FAT-fs (loop5): Can't find a valid FAT filesystem [ 164.901828] FAT-fs (loop0): Can't find a valid FAT filesystem executing program executing program [ 165.045607] FAULT_INJECTION: forcing a failure. [ 165.045607] name failslab, interval 1, probability 0, space 0, times 0 [ 165.057906] CPU: 0 PID: 8222 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 165.065277] FAULT_INJECTION: forcing a failure. [ 165.065277] name failslab, interval 1, probability 0, space 0, times 0 [ 165.065829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.086337] Call Trace: [ 165.088926] dump_stack+0x1b2/0x283 [ 165.092535] should_fail.cold+0x10a/0x154 [ 165.096666] should_failslab+0xd6/0x130 [ 165.100626] kmem_cache_alloc+0x28e/0x3c0 [ 165.104757] alloc_buffer_head+0x20/0x110 [ 165.108902] alloc_page_buffers+0xb3/0x1f0 [ 165.113761] __getblk_slow+0x2d6/0x7a0 [ 165.117640] ? vfat_cmpi+0x3a0/0x3a0 [ 165.121341] __bread_gfp+0x206/0x2e0 [ 165.125078] fat_fill_super+0x2f9/0x31b0 [ 165.130267] ? vsnprintf+0x260/0x1340 [ 165.130533] FAULT_INJECTION: forcing a failure. [ 165.130533] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 165.134059] ? fat_write_end+0x280/0x280 [ 165.134068] ? lock_downgrade+0x740/0x740 [ 165.134076] ? snprintf+0xa5/0xd0 [ 165.134081] ? vsprintf+0x30/0x30 [ 165.134091] ? ns_test_super+0x50/0x50 [ 165.134100] ? set_blocksize+0x125/0x380 [ 165.134111] mount_bdev+0x2b3/0x360 [ 165.134121] ? vfat_mount+0x40/0x40 [ 165.175430] mount_fs+0x92/0x2a0 [ 165.178802] vfs_kern_mount.part.0+0x5b/0x470 [ 165.183305] do_mount+0xe53/0x2a00 [ 165.186850] ? copy_mount_string+0x40/0x40 [ 165.191099] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 165.196095] ? copy_mnt_ns+0xa30/0xa30 [ 165.199962] ? copy_mount_options+0x1fa/0x2f0 [ 165.204435] ? copy_mnt_ns+0xa30/0xa30 [ 165.208302] SyS_mount+0xa8/0x120 [ 165.211731] ? copy_mnt_ns+0xa30/0xa30 [ 165.215611] do_syscall_64+0x1d5/0x640 [ 165.219484] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 165.224654] RIP: 0033:0x44e51a [ 165.227864] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 165.235552] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 165.242804] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 165.250056] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 165.257311] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 165.264568] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 165.271841] CPU: 1 PID: 8229 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 165.277114] FAT-fs (loop1): bogus number of reserved sectors [ 165.279723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program [ 165.279727] Call Trace: [ 165.279742] dump_stack+0x1b2/0x283 [ 165.279755] should_fail.cold+0x10a/0x154 [ 165.279766] should_failslab+0xd6/0x130 [ 165.286490] FAT-fs (loop1): Can't find a valid FAT filesystem [ 165.294915] kmem_cache_alloc+0x28e/0x3c0 [ 165.294927] alloc_buffer_head+0x20/0x110 [ 165.294936] alloc_page_buffers+0xb3/0x1f0 [ 165.294947] __getblk_slow+0x2d6/0x7a0 [ 165.294960] ? vfat_cmpi+0x3a0/0x3a0 [ 165.294968] __bread_gfp+0x206/0x2e0 [ 165.294976] fat_fill_super+0x2f9/0x31b0 [ 165.294985] ? vsnprintf+0x260/0x1340 [ 165.294995] ? fat_write_end+0x280/0x280 [ 165.295003] ? lock_downgrade+0x740/0x740 [ 165.295012] ? snprintf+0xa5/0xd0 [ 165.295019] ? vsprintf+0x30/0x30 [ 165.295030] ? ns_test_super+0x50/0x50 [ 165.295038] ? set_blocksize+0x125/0x380 [ 165.295050] mount_bdev+0x2b3/0x360 [ 165.295057] ? vfat_mount+0x40/0x40 [ 165.295064] mount_fs+0x92/0x2a0 [ 165.295075] vfs_kern_mount.part.0+0x5b/0x470 [ 165.385035] do_mount+0xe53/0x2a00 [ 165.388565] ? copy_mount_string+0x40/0x40 [ 165.392787] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 165.397784] ? copy_mnt_ns+0xa30/0xa30 [ 165.401659] ? copy_mount_options+0x1fa/0x2f0 [ 165.406137] ? copy_mnt_ns+0xa30/0xa30 [ 165.410007] SyS_mount+0xa8/0x120 [ 165.413454] ? copy_mnt_ns+0xa30/0xa30 [ 165.417343] do_syscall_64+0x1d5/0x640 [ 165.421232] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 165.426412] RIP: 0033:0x44e51a [ 165.429589] RSP: 002b:00007f069ce2db28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 165.437283] RAX: ffffffffffffffda RBX: 00007f069ce2db30 RCX: 000000000044e51a [ 165.444557] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce2db30 [ 165.451828] RBP: 0000000000000005 R08: 00007f069ce2db70 R09: 6f6f6c2f7665642f [ 165.459091] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 [ 165.466352] R13: 0000000000000000 R14: 00007f069ce2db70 R15: 00007f069ce2e6d4 [ 165.473713] CPU: 0 PID: 8219 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 165.478459] FAT-fs (loop4): bogus number of reserved sectors [ 165.481611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.481615] Call Trace: [ 165.481628] dump_stack+0x1b2/0x283 [ 165.481640] should_fail.cold+0x10a/0x154 [ 165.481651] should_failslab+0xd6/0x130 [ 165.481661] kmem_cache_alloc+0x28e/0x3c0 [ 165.481671] alloc_buffer_head+0x20/0x110 [ 165.487594] FAT-fs (loop4): Can't find a valid FAT filesystem [ 165.496925] alloc_page_buffers+0xb3/0x1f0 [ 165.496936] __getblk_slow+0x2d6/0x7a0 [ 165.496949] ? vfat_cmpi+0x3a0/0x3a0 [ 165.496957] __bread_gfp+0x206/0x2e0 [ 165.496965] fat_fill_super+0x2f9/0x31b0 [ 165.496973] ? vsnprintf+0x260/0x1340 [ 165.496984] ? fat_write_end+0x280/0x280 [ 165.501417] FAULT_INJECTION: forcing a failure. [ 165.501417] name failslab, interval 1, probability 0, space 0, times 0 [ 165.503259] ? lock_downgrade+0x740/0x740 [ 165.503270] ? snprintf+0xa5/0xd0 [ 165.503275] ? vsprintf+0x30/0x30 [ 165.503285] ? ns_test_super+0x50/0x50 [ 165.503293] ? set_blocksize+0x125/0x380 [ 165.503303] mount_bdev+0x2b3/0x360 [ 165.503311] ? vfat_mount+0x40/0x40 [ 165.503318] mount_fs+0x92/0x2a0 [ 165.503330] vfs_kern_mount.part.0+0x5b/0x470 [ 165.503340] do_mount+0xe53/0x2a00 [ 165.503355] ? copy_mount_string+0x40/0x40 [ 165.503364] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 165.503373] ? copy_mnt_ns+0xa30/0xa30 [ 165.503382] ? copy_mount_options+0x1fa/0x2f0 [ 165.503391] ? copy_mnt_ns+0xa30/0xa30 [ 165.503400] SyS_mount+0xa8/0x120 [ 165.503407] ? copy_mnt_ns+0xa30/0xa30 [ 165.503417] do_syscall_64+0x1d5/0x640 [ 165.503430] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 165.503436] RIP: 0033:0x44e51a [ 165.503441] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 165.503449] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 165.503454] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 165.503459] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 165.503463] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 165.503468] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 165.526797] FAT-fs (loop2): bogus number of reserved sectors [ 165.533540] CPU: 1 PID: 8235 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 165.541346] FAT-fs (loop2): Can't find a valid FAT filesystem [ 165.541781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.716242] Call Trace: [ 165.718904] dump_stack+0x1b2/0x283 [ 165.722530] should_fail.cold+0x10a/0x154 [ 165.726658] should_failslab+0xd6/0x130 [ 165.730616] kmem_cache_alloc+0x28e/0x3c0 [ 165.734746] alloc_buffer_head+0x20/0x110 [ 165.738879] alloc_page_buffers+0xb3/0x1f0 [ 165.743096] __getblk_slow+0x2d6/0x7a0 [ 165.746967] ? vfat_cmpi+0x3a0/0x3a0 [ 165.750661] __bread_gfp+0x206/0x2e0 [ 165.754356] fat_fill_super+0x2f9/0x31b0 [ 165.758403] ? vsnprintf+0x260/0x1340 [ 165.762187] ? fat_write_end+0x280/0x280 [ 165.766245] ? lock_downgrade+0x740/0x740 [ 165.770372] ? snprintf+0xa5/0xd0 [ 165.773803] ? vsprintf+0x30/0x30 [ 165.777236] ? ns_test_super+0x50/0x50 [ 165.781105] ? set_blocksize+0x125/0x380 [ 165.785160] mount_bdev+0x2b3/0x360 [ 165.788768] ? vfat_mount+0x40/0x40 [ 165.792375] mount_fs+0x92/0x2a0 [ 165.795726] vfs_kern_mount.part.0+0x5b/0x470 [ 165.800235] do_mount+0xe53/0x2a00 [ 165.803757] ? copy_mount_string+0x40/0x40 [ 165.810272] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 165.815268] ? copy_mnt_ns+0xa30/0xa30 [ 165.819138] ? copy_mount_options+0x1fa/0x2f0 [ 165.823611] ? copy_mnt_ns+0xa30/0xa30 [ 165.827493] SyS_mount+0xa8/0x120 [ 165.830943] ? copy_mnt_ns+0xa30/0xa30 [ 165.834810] do_syscall_64+0x1d5/0x640 [ 165.838683] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 165.843854] RIP: 0033:0x44e51a executing program executing program executing program [ 165.847038] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 165.854811] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 165.862076] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 165.869329] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 165.877654] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 165.885427] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 executing program [ 165.919356] FAULT_INJECTION: forcing a failure. [ 165.919356] name failslab, interval 1, probability 0, space 0, times 0 [ 165.933368] CPU: 1 PID: 8250 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 165.934689] FAULT_INJECTION: forcing a failure. [ 165.934689] name failslab, interval 1, probability 0, space 0, times 0 [ 165.941274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.941279] Call Trace: [ 165.941293] dump_stack+0x1b2/0x283 [ 165.941306] should_fail.cold+0x10a/0x154 [ 165.941321] should_failslab+0xd6/0x130 [ 165.941331] kmem_cache_alloc+0x28e/0x3c0 [ 165.941340] alloc_buffer_head+0x20/0x110 [ 165.941347] alloc_page_buffers+0xb3/0x1f0 [ 165.941357] __getblk_slow+0x2d6/0x7a0 [ 165.941370] ? vfat_cmpi+0x3a0/0x3a0 [ 165.941379] __bread_gfp+0x206/0x2e0 [ 165.941389] fat_fill_super+0x2f9/0x31b0 [ 165.941398] ? vsnprintf+0x260/0x1340 [ 165.941411] ? fat_write_end+0x280/0x280 [ 165.941420] ? lock_downgrade+0x740/0x740 [ 165.941429] ? snprintf+0xa5/0xd0 [ 165.941436] ? vsprintf+0x30/0x30 [ 165.941447] ? ns_test_super+0x50/0x50 [ 165.941456] ? set_blocksize+0x125/0x380 [ 165.941468] mount_bdev+0x2b3/0x360 [ 165.941474] ? vfat_mount+0x40/0x40 [ 165.941483] mount_fs+0x92/0x2a0 [ 165.941496] vfs_kern_mount.part.0+0x5b/0x470 [ 165.941509] do_mount+0xe53/0x2a00 [ 165.958345] FAULT_INJECTION: forcing a failure. [ 165.958345] name failslab, interval 1, probability 0, space 0, times 0 [ 165.962171] ? copy_mount_string+0x40/0x40 [ 165.962181] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 165.962188] ? copy_mnt_ns+0xa30/0xa30 [ 165.962198] ? copy_mount_options+0x1fa/0x2f0 [ 165.962204] ? copy_mnt_ns+0xa30/0xa30 [ 165.962212] SyS_mount+0xa8/0x120 [ 165.962218] ? copy_mnt_ns+0xa30/0xa30 [ 165.962227] do_syscall_64+0x1d5/0x640 [ 165.962242] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 165.962250] RIP: 0033:0x44e51a [ 165.962254] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 165.962263] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 165.962268] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 165.962272] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 165.962277] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 165.962281] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 165.964147] FAULT_INJECTION: forcing a failure. [ 165.964147] name failslab, interval 1, probability 0, space 0, times 0 [ 165.977379] CPU: 0 PID: 8257 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 166.009366] FAT-fs (loop5): bogus number of reserved sectors [ 166.012624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.012628] Call Trace: [ 166.012642] dump_stack+0x1b2/0x283 [ 166.012655] should_fail.cold+0x10a/0x154 [ 166.012666] should_failslab+0xd6/0x130 [ 166.012674] kmem_cache_alloc+0x28e/0x3c0 [ 166.012684] alloc_buffer_head+0x20/0x110 [ 166.012691] alloc_page_buffers+0xb3/0x1f0 [ 166.012702] __getblk_slow+0x2d6/0x7a0 [ 166.012715] ? vfat_cmpi+0x3a0/0x3a0 [ 166.012724] __bread_gfp+0x206/0x2e0 [ 166.020218] FAT-fs (loop5): Can't find a valid FAT filesystem [ 166.020317] fat_fill_super+0x2f9/0x31b0 [ 166.228795] ? vsnprintf+0x260/0x1340 [ 166.232593] ? fat_write_end+0x280/0x280 [ 166.236645] ? lock_downgrade+0x740/0x740 [ 166.240786] ? snprintf+0xa5/0xd0 [ 166.244231] ? vsprintf+0x30/0x30 [ 166.247757] ? ns_test_super+0x50/0x50 [ 166.251649] ? set_blocksize+0x125/0x380 [ 166.255704] mount_bdev+0x2b3/0x360 [ 166.259330] ? vfat_mount+0x40/0x40 [ 166.262959] mount_fs+0x92/0x2a0 [ 166.266326] vfs_kern_mount.part.0+0x5b/0x470 [ 166.270819] do_mount+0xe53/0x2a00 [ 166.274352] ? copy_mount_string+0x40/0x40 [ 166.278575] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 166.283714] ? copy_mnt_ns+0xa30/0xa30 [ 166.287599] ? copy_mount_options+0x1fa/0x2f0 [ 166.292092] ? copy_mnt_ns+0xa30/0xa30 [ 166.295984] SyS_mount+0xa8/0x120 [ 166.300144] ? copy_mnt_ns+0xa30/0xa30 [ 166.304039] do_syscall_64+0x1d5/0x640 [ 166.307930] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 166.313112] RIP: 0033:0x44e51a [ 166.316291] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 166.323982] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 166.331239] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 166.338498] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 166.345766] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 166.353193] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 166.360471] CPU: 1 PID: 8253 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 166.368358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.377831] Call Trace: [ 166.380426] dump_stack+0x1b2/0x283 [ 166.384058] should_fail.cold+0x10a/0x154 [ 166.388216] should_failslab+0xd6/0x130 [ 166.392203] kmem_cache_alloc+0x28e/0x3c0 [ 166.396353] alloc_buffer_head+0x20/0x110 [ 166.400502] alloc_page_buffers+0xb3/0x1f0 [ 166.404746] __getblk_slow+0x2d6/0x7a0 [ 166.406709] FAT-fs (loop1): bogus number of reserved sectors [ 166.408632] ? vfat_cmpi+0x3a0/0x3a0 [ 166.408642] __bread_gfp+0x206/0x2e0 [ 166.408652] fat_fill_super+0x2f9/0x31b0 [ 166.408661] ? vsnprintf+0x260/0x1340 [ 166.408672] ? fat_write_end+0x280/0x280 [ 166.414554] FAT-fs (loop1): Can't find a valid FAT filesystem [ 166.418145] ? lock_downgrade+0x740/0x740 [ 166.418155] ? snprintf+0xa5/0xd0 [ 166.418162] ? vsprintf+0x30/0x30 [ 166.418173] ? ns_test_super+0x50/0x50 [ 166.418180] ? set_blocksize+0x125/0x380 [ 166.418191] mount_bdev+0x2b3/0x360 [ 166.462993] ? vfat_mount+0x40/0x40 [ 166.466619] mount_fs+0x92/0x2a0 [ 166.469986] vfs_kern_mount.part.0+0x5b/0x470 [ 166.474475] do_mount+0xe53/0x2a00 [ 166.478040] ? copy_mount_string+0x40/0x40 [ 166.482259] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 166.487263] ? copy_mnt_ns+0xa30/0xa30 [ 166.491142] ? copy_mount_options+0x1fa/0x2f0 [ 166.495715] ? copy_mnt_ns+0xa30/0xa30 [ 166.499588] SyS_mount+0xa8/0x120 [ 166.503031] ? copy_mnt_ns+0xa30/0xa30 [ 166.506914] do_syscall_64+0x1d5/0x640 [ 166.510786] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 166.515954] RIP: 0033:0x44e51a [ 166.519139] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 166.527355] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 166.534713] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 166.542314] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 166.549567] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 166.556826] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 166.568167] CPU: 0 PID: 8255 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 166.576165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.585499] Call Trace: [ 166.588069] dump_stack+0x1b2/0x283 [ 166.591676] should_fail.cold+0x10a/0x154 [ 166.595815] should_failslab+0xd6/0x130 [ 166.600216] kmem_cache_alloc+0x28e/0x3c0 [ 166.604345] alloc_buffer_head+0x20/0x110 [ 166.608469] alloc_page_buffers+0xb3/0x1f0 [ 166.612683] __getblk_slow+0x2d6/0x7a0 [ 166.616550] ? vfat_cmpi+0x3a0/0x3a0 [ 166.620245] __bread_gfp+0x206/0x2e0 [ 166.623953] fat_fill_super+0x2f9/0x31b0 [ 166.627997] ? vsnprintf+0x260/0x1340 [ 166.631786] ? fat_write_end+0x280/0x280 [ 166.635832] ? lock_downgrade+0x740/0x740 [ 166.639965] ? snprintf+0xa5/0xd0 [ 166.643408] ? vsprintf+0x30/0x30 [ 166.646845] ? ns_test_super+0x50/0x50 [ 166.650711] ? set_blocksize+0x125/0x380 [ 166.654753] mount_bdev+0x2b3/0x360 [ 166.658357] ? vfat_mount+0x40/0x40 [ 166.661961] mount_fs+0x92/0x2a0 [ 166.665327] vfs_kern_mount.part.0+0x5b/0x470 [ 166.669799] do_mount+0xe53/0x2a00 [ 166.673318] ? retint_kernel+0x2d/0x2d [ 166.677185] ? copy_mount_string+0x40/0x40 [ 166.681400] ? copy_mount_options+0x18f/0x2f0 [ 166.685873] ? copy_mount_options+0x1fa/0x2f0 [ 166.690351] ? copy_mnt_ns+0xa30/0xa30 [ 166.694217] SyS_mount+0xa8/0x120 [ 166.697647] ? copy_mnt_ns+0xa30/0xa30 [ 166.701513] do_syscall_64+0x1d5/0x640 [ 166.705381] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 166.710564] RIP: 0033:0x44e51a [ 166.713730] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 166.721524] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 166.728860] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 166.736108] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 166.743357] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 166.750693] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 166.761229] FAT-fs (loop0): bogus number of reserved sectors [ 166.767421] FAT-fs (loop0): Can't find a valid FAT filesystem [ 166.777406] FAT-fs (loop3): bogus number of reserved sectors [ 166.783454] FAT-fs (loop3): Can't find a valid FAT filesystem [ 166.791936] FAT-fs (loop4): bogus number of reserved sectors [ 166.797781] FAT-fs (loop4): Can't find a valid FAT filesystem executing program executing program [ 166.996728] FAULT_INJECTION: forcing a failure. [ 166.996728] name failslab, interval 1, probability 0, space 0, times 0 [ 167.008506] CPU: 0 PID: 8279 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 167.016406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.025761] Call Trace: [ 167.028352] dump_stack+0x1b2/0x283 [ 167.032078] should_fail.cold+0x10a/0x154 [ 167.036233] should_failslab+0xd6/0x130 [ 167.040210] kmem_cache_alloc+0x28e/0x3c0 [ 167.044366] alloc_buffer_head+0x20/0x110 [ 167.048516] alloc_page_buffers+0xb3/0x1f0 [ 167.052757] __getblk_slow+0x2d6/0x7a0 [ 167.055867] FAULT_INJECTION: forcing a failure. [ 167.055867] name failslab, interval 1, probability 0, space 0, times 0 [ 167.056673] ? vfat_cmpi+0x3a0/0x3a0 [ 167.071581] __bread_gfp+0x206/0x2e0 [ 167.075280] fat_fill_super+0x2f9/0x31b0 [ 167.079326] ? vsnprintf+0x260/0x1340 [ 167.083120] ? fat_write_end+0x280/0x280 [ 167.087161] ? lock_downgrade+0x740/0x740 [ 167.091288] ? snprintf+0xa5/0xd0 [ 167.094725] ? vsprintf+0x30/0x30 [ 167.098160] ? ns_test_super+0x50/0x50 [ 167.102046] ? set_blocksize+0x125/0x380 [ 167.106441] mount_bdev+0x2b3/0x360 [ 167.110046] ? vfat_mount+0x40/0x40 [ 167.113660] mount_fs+0x92/0x2a0 [ 167.117017] vfs_kern_mount.part.0+0x5b/0x470 [ 167.121508] do_mount+0xe53/0x2a00 [ 167.125065] ? copy_mount_string+0x40/0x40 [ 167.129284] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 167.134296] ? copy_mnt_ns+0xa30/0xa30 [ 167.138162] ? copy_mount_options+0x1fa/0x2f0 [ 167.142636] ? copy_mnt_ns+0xa30/0xa30 [ 167.146506] SyS_mount+0xa8/0x120 [ 167.149940] ? copy_mnt_ns+0xa30/0xa30 [ 167.153808] do_syscall_64+0x1d5/0x640 [ 167.157700] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 167.162871] RIP: 0033:0x44e51a [ 167.166040] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 167.173740] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 167.183867] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 167.191117] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 167.198366] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 167.205882] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 167.220877] CPU: 1 PID: 8283 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 167.228784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.233739] FAT-fs (loop5): bogus number of reserved sectors [ 167.238132] Call Trace: executing program [ 167.238147] dump_stack+0x1b2/0x283 [ 167.238160] should_fail.cold+0x10a/0x154 [ 167.244012] FAT-fs (loop5): Can't find a valid FAT filesystem [ 167.246535] should_failslab+0xd6/0x130 [ 167.246545] kmem_cache_alloc+0x28e/0x3c0 [ 167.246556] alloc_buffer_head+0x20/0x110 [ 167.272429] alloc_page_buffers+0xb3/0x1f0 [ 167.276682] __getblk_slow+0x2d6/0x7a0 [ 167.280580] ? vfat_cmpi+0x3a0/0x3a0 [ 167.284297] __bread_gfp+0x206/0x2e0 [ 167.288035] fat_fill_super+0x2f9/0x31b0 [ 167.292097] ? vsnprintf+0x260/0x1340 [ 167.295987] ? fat_write_end+0x280/0x280 [ 167.300046] ? lock_downgrade+0x740/0x740 [ 167.304198] ? snprintf+0xa5/0xd0 [ 167.307650] ? vsprintf+0x30/0x30 [ 167.311100] ? ns_test_super+0x50/0x50 [ 167.314985] ? set_blocksize+0x125/0x380 [ 167.319174] mount_bdev+0x2b3/0x360 [ 167.322790] ? vfat_mount+0x40/0x40 [ 167.326404] mount_fs+0x92/0x2a0 [ 167.329753] vfs_kern_mount.part.0+0x5b/0x470 [ 167.334286] do_mount+0xe53/0x2a00 [ 167.337818] ? do_raw_spin_unlock+0x164/0x220 [ 167.342296] ? copy_mount_string+0x40/0x40 [ 167.346536] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 167.351579] ? copy_mnt_ns+0xa30/0xa30 [ 167.355446] ? copy_mount_options+0x1fa/0x2f0 [ 167.359917] ? copy_mnt_ns+0xa30/0xa30 [ 167.363781] SyS_mount+0xa8/0x120 [ 167.367210] ? copy_mnt_ns+0xa30/0xa30 [ 167.371074] do_syscall_64+0x1d5/0x640 [ 167.374947] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 167.380139] RIP: 0033:0x44e51a [ 167.383325] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 167.391105] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 167.398406] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 167.405672] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 167.412922] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 167.420189] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 167.431669] FAULT_INJECTION: forcing a failure. [ 167.431669] name failslab, interval 1, probability 0, space 0, times 0 [ 167.435136] FAT-fs (loop2): bogus number of reserved sectors executing program executing program executing program executing program [ 167.456467] FAT-fs (loop2): Can't find a valid FAT filesystem [ 167.478472] CPU: 0 PID: 8295 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 167.486419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.495779] Call Trace: [ 167.498477] dump_stack+0x1b2/0x283 [ 167.502093] should_fail.cold+0x10a/0x154 [ 167.506221] should_failslab+0xd6/0x130 [ 167.510276] kmem_cache_alloc+0x28e/0x3c0 [ 167.514454] alloc_buffer_head+0x20/0x110 [ 167.518581] alloc_page_buffers+0xb3/0x1f0 [ 167.522796] __getblk_slow+0x2d6/0x7a0 [ 167.526664] ? vfat_cmpi+0x3a0/0x3a0 [ 167.530356] __bread_gfp+0x206/0x2e0 [ 167.534049] fat_fill_super+0x2f9/0x31b0 [ 167.538144] ? vsnprintf+0x260/0x1340 [ 167.542057] ? fat_write_end+0x280/0x280 [ 167.546103] ? lock_downgrade+0x740/0x740 [ 167.550232] ? snprintf+0xa5/0xd0 [ 167.553692] ? vsprintf+0x30/0x30 [ 167.557128] ? ns_test_super+0x50/0x50 [ 167.561085] ? set_blocksize+0x125/0x380 [ 167.565145] mount_bdev+0x2b3/0x360 [ 167.568807] ? vfat_mount+0x40/0x40 [ 167.572646] mount_fs+0x92/0x2a0 [ 167.575997] vfs_kern_mount.part.0+0x5b/0x470 [ 167.580555] do_mount+0xe53/0x2a00 [ 167.584117] ? copy_mount_string+0x40/0x40 [ 167.588358] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 167.593376] ? copy_mnt_ns+0xa30/0xa30 [ 167.597261] ? copy_mount_options+0x1fa/0x2f0 [ 167.601744] ? copy_mnt_ns+0xa30/0xa30 [ 167.605619] SyS_mount+0xa8/0x120 [ 167.609052] ? copy_mnt_ns+0xa30/0xa30 [ 167.612937] do_syscall_64+0x1d5/0x640 [ 167.616824] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 167.622019] RIP: 0033:0x44e51a [ 167.625194] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 167.632904] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 167.640161] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 167.647438] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f executing program [ 167.654700] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 167.661962] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 167.673565] FAT-fs (loop4): bogus number of reserved sectors [ 167.679493] FAT-fs (loop4): Can't find a valid FAT filesystem [ 167.684145] FAULT_INJECTION: forcing a failure. [ 167.684145] name failslab, interval 1, probability 0, space 0, times 0 [ 167.693978] FAULT_INJECTION: forcing a failure. [ 167.693978] name failslab, interval 1, probability 0, space 0, times 0 [ 167.708511] CPU: 0 PID: 8319 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 167.712653] FAULT_INJECTION: forcing a failure. [ 167.712653] name failslab, interval 1, probability 0, space 0, times 0 [ 167.716406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.716413] Call Trace: [ 167.729188] FAULT_INJECTION: forcing a failure. [ 167.729188] name failslab, interval 1, probability 0, space 0, times 0 [ 167.737046] dump_stack+0x1b2/0x283 [ 167.737058] should_fail.cold+0x10a/0x154 [ 167.737069] should_failslab+0xd6/0x130 [ 167.737078] kmem_cache_alloc+0x28e/0x3c0 [ 167.737088] alloc_buffer_head+0x20/0x110 [ 167.737099] alloc_page_buffers+0xb3/0x1f0 [ 167.775057] __getblk_slow+0x2d6/0x7a0 [ 167.778945] ? vfat_cmpi+0x3a0/0x3a0 [ 167.782654] __bread_gfp+0x206/0x2e0 [ 167.786482] fat_fill_super+0x2f9/0x31b0 [ 167.790538] ? vsnprintf+0x260/0x1340 [ 167.794333] ? fat_write_end+0x280/0x280 [ 167.798431] ? lock_downgrade+0x740/0x740 [ 167.802577] ? snprintf+0xa5/0xd0 [ 167.806028] ? vsprintf+0x30/0x30 [ 167.809515] ? ns_test_super+0x50/0x50 [ 167.813408] ? set_blocksize+0x125/0x380 [ 167.817476] mount_bdev+0x2b3/0x360 [ 167.821100] ? vfat_mount+0x40/0x40 [ 167.824729] mount_fs+0x92/0x2a0 [ 167.828089] vfs_kern_mount.part.0+0x5b/0x470 [ 167.832578] do_mount+0xe53/0x2a00 [ 167.836122] ? copy_mount_string+0x40/0x40 [ 167.840348] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 167.845374] ? copy_mnt_ns+0xa30/0xa30 [ 167.849257] ? copy_mount_options+0x1fa/0x2f0 [ 167.853751] ? copy_mnt_ns+0xa30/0xa30 [ 167.857637] SyS_mount+0xa8/0x120 [ 167.861073] ? copy_mnt_ns+0xa30/0xa30 [ 167.864944] do_syscall_64+0x1d5/0x640 [ 167.868835] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 167.874006] RIP: 0033:0x44e51a [ 167.877176] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 167.884867] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 167.892119] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 167.899384] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 167.906636] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 167.913891] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 167.921182] CPU: 1 PID: 8310 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 167.929076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.938412] Call Trace: [ 167.940983] dump_stack+0x1b2/0x283 [ 167.944591] should_fail.cold+0x10a/0x154 [ 167.948725] should_failslab+0xd6/0x130 [ 167.952682] kmem_cache_alloc+0x28e/0x3c0 [ 167.956810] alloc_buffer_head+0x20/0x110 [ 167.960938] alloc_page_buffers+0xb3/0x1f0 [ 167.965154] __getblk_slow+0x2d6/0x7a0 [ 167.969025] ? vfat_cmpi+0x3a0/0x3a0 [ 167.972717] __bread_gfp+0x206/0x2e0 [ 167.976416] fat_fill_super+0x2f9/0x31b0 [ 167.980491] ? vsnprintf+0x260/0x1340 [ 167.984298] ? fat_write_end+0x280/0x280 [ 167.988355] ? lock_downgrade+0x740/0x740 [ 167.992499] ? snprintf+0xa5/0xd0 [ 167.995931] ? vsprintf+0x30/0x30 [ 167.999365] ? ns_test_super+0x50/0x50 [ 168.003246] ? set_blocksize+0x125/0x380 [ 168.007287] mount_bdev+0x2b3/0x360 [ 168.010916] ? vfat_mount+0x40/0x40 [ 168.014521] mount_fs+0x92/0x2a0 [ 168.017870] vfs_kern_mount.part.0+0x5b/0x470 [ 168.022348] do_mount+0xe53/0x2a00 [ 168.025872] ? retint_kernel+0x2d/0x2d [ 168.029741] ? copy_mount_string+0x40/0x40 [ 168.033956] ? __sanitizer_cov_trace_pc+0x23/0x50 [ 168.038778] ? copy_mount_options+0x1fa/0x2f0 [ 168.043252] ? copy_mnt_ns+0xa30/0xa30 [ 168.047143] SyS_mount+0xa8/0x120 [ 168.050574] ? copy_mnt_ns+0xa30/0xa30 [ 168.054492] do_syscall_64+0x1d5/0x640 [ 168.058362] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 168.063531] RIP: 0033:0x44e51a [ 168.066701] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 168.074391] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 168.081728] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 168.088975] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 168.096223] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 executing program [ 168.103559] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 168.118940] FAT-fs (loop5): bogus number of reserved sectors [ 168.131637] CPU: 0 PID: 8314 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 168.139570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.148922] Call Trace: [ 168.151521] dump_stack+0x1b2/0x283 [ 168.154607] FAT-fs (loop1): bogus number of reserved sectors [ 168.155145] should_fail.cold+0x10a/0x154 [ 168.161017] FAT-fs (loop1): Can't find a valid FAT filesystem [ 168.165059] should_failslab+0xd6/0x130 [ 168.174885] kmem_cache_alloc+0x28e/0x3c0 [ 168.179014] alloc_buffer_head+0x20/0x110 [ 168.183157] alloc_page_buffers+0xb3/0x1f0 [ 168.187374] __getblk_slow+0x2d6/0x7a0 [ 168.191263] ? vfat_cmpi+0x3a0/0x3a0 [ 168.194957] __bread_gfp+0x206/0x2e0 [ 168.198650] fat_fill_super+0x2f9/0x31b0 [ 168.202696] ? vsnprintf+0x260/0x1340 [ 168.206498] ? fat_write_end+0x280/0x280 [ 168.210548] ? lock_downgrade+0x740/0x740 [ 168.214677] ? snprintf+0xa5/0xd0 [ 168.218108] ? vsprintf+0x30/0x30 [ 168.221549] ? ns_test_super+0x50/0x50 [ 168.225417] ? set_blocksize+0x125/0x380 [ 168.229460] mount_bdev+0x2b3/0x360 [ 168.233067] ? vfat_mount+0x40/0x40 [ 168.236678] mount_fs+0x92/0x2a0 [ 168.240041] vfs_kern_mount.part.0+0x5b/0x470 [ 168.244536] do_mount+0xe53/0x2a00 [ 168.248056] ? do_raw_spin_unlock+0x164/0x220 [ 168.252546] ? copy_mount_string+0x40/0x40 [ 168.256761] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 168.262714] ? copy_mnt_ns+0xa30/0xa30 [ 168.266580] ? copy_mount_options+0x1fa/0x2f0 [ 168.271072] ? copy_mnt_ns+0xa30/0xa30 [ 168.275720] SyS_mount+0xa8/0x120 [ 168.279156] ? copy_mnt_ns+0xa30/0xa30 [ 168.283025] do_syscall_64+0x1d5/0x640 [ 168.286897] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 168.292066] RIP: 0033:0x44e51a [ 168.295234] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 168.302922] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a executing program [ 168.310169] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 168.317418] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 168.324670] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 168.331920] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 168.339690] CPU: 0 PID: 8313 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 168.347575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.356928] Call Trace: [ 168.359518] dump_stack+0x1b2/0x283 [ 168.363150] should_fail.cold+0x10a/0x154 [ 168.367300] should_failslab+0xd6/0x130 [ 168.371278] kmem_cache_alloc+0x28e/0x3c0 [ 168.375426] alloc_buffer_head+0x20/0x110 [ 168.379574] alloc_page_buffers+0xb3/0x1f0 [ 168.383813] __getblk_slow+0x2d6/0x7a0 [ 168.385446] FAT-fs (loop3): bogus number of reserved sectors [ 168.387705] ? vfat_cmpi+0x3a0/0x3a0 [ 168.387715] __bread_gfp+0x206/0x2e0 [ 168.393587] FAT-fs (loop3): Can't find a valid FAT filesystem [ 168.397206] fat_fill_super+0x2f9/0x31b0 [ 168.397219] ? vsnprintf+0x260/0x1340 [ 168.405722] FAT-fs (loop5): Can't find a valid FAT filesystem [ 168.406780] ? fat_write_end+0x280/0x280 [ 168.406790] ? lock_downgrade+0x740/0x740 [ 168.428673] ? snprintf+0xa5/0xd0 [ 168.432115] ? vsprintf+0x30/0x30 [ 168.435561] ? ns_test_super+0x50/0x50 [ 168.439437] ? set_blocksize+0x125/0x380 [ 168.443623] mount_bdev+0x2b3/0x360 [ 168.447260] ? vfat_mount+0x40/0x40 [ 168.450909] mount_fs+0x92/0x2a0 [ 168.454273] vfs_kern_mount.part.0+0x5b/0x470 [ 168.458825] do_mount+0xe53/0x2a00 [ 168.462359] ? do_raw_spin_unlock+0x164/0x220 [ 168.466966] ? copy_mount_string+0x40/0x40 [ 168.471183] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 168.476425] ? copy_mnt_ns+0xa30/0xa30 [ 168.480295] ? copy_mount_options+0x1fa/0x2f0 [ 168.484779] ? copy_mnt_ns+0xa30/0xa30 [ 168.488666] SyS_mount+0xa8/0x120 [ 168.492119] ? copy_mnt_ns+0xa30/0xa30 [ 168.496007] do_syscall_64+0x1d5/0x640 [ 168.499968] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 168.505153] RIP: 0033:0x44e51a [ 168.508319] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 168.516027] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 168.523275] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 168.530531] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 168.537787] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 168.545058] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 168.556979] FAT-fs (loop0): bogus number of reserved sectors [ 168.562969] FAT-fs (loop0): Can't find a valid FAT filesystem [ 168.582111] FAULT_INJECTION: forcing a failure. [ 168.582111] name failslab, interval 1, probability 0, space 0, times 0 [ 168.593472] FAULT_INJECTION: forcing a failure. [ 168.593472] name failslab, interval 1, probability 0, space 0, times 0 [ 168.597312] CPU: 1 PID: 8337 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 168.612542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.621884] Call Trace: [ 168.624460] dump_stack+0x1b2/0x283 [ 168.628076] should_fail.cold+0x10a/0x154 [ 168.632213] should_failslab+0xd6/0x130 [ 168.636184] kmem_cache_alloc+0x28e/0x3c0 [ 168.640326] alloc_buffer_head+0x20/0x110 [ 168.644475] alloc_page_buffers+0xb3/0x1f0 [ 168.648696] __getblk_slow+0x2d6/0x7a0 [ 168.652657] ? vfat_cmpi+0x3a0/0x3a0 [ 168.656355] __bread_gfp+0x206/0x2e0 [ 168.660053] fat_fill_super+0x2f9/0x31b0 [ 168.664098] ? vsnprintf+0x260/0x1340 [ 168.667898] ? fat_write_end+0x280/0x280 [ 168.671944] ? lock_downgrade+0x740/0x740 [ 168.676080] ? snprintf+0xa5/0xd0 [ 168.679520] ? vsprintf+0x30/0x30 [ 168.682998] ? ns_test_super+0x50/0x50 [ 168.686887] ? set_blocksize+0x125/0x380 [ 168.691120] mount_bdev+0x2b3/0x360 [ 168.694728] ? vfat_mount+0x40/0x40 [ 168.698340] mount_fs+0x92/0x2a0 [ 168.701692] vfs_kern_mount.part.0+0x5b/0x470 [ 168.706169] do_mount+0xe53/0x2a00 [ 168.709693] ? copy_mount_string+0x40/0x40 [ 168.713906] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 168.718916] ? copy_mnt_ns+0xa30/0xa30 [ 168.722789] ? copy_mount_options+0x1fa/0x2f0 [ 168.727263] ? copy_mnt_ns+0xa30/0xa30 [ 168.731135] SyS_mount+0xa8/0x120 [ 168.734575] ? copy_mnt_ns+0xa30/0xa30 [ 168.738444] do_syscall_64+0x1d5/0x640 [ 168.742317] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 168.747490] RIP: 0033:0x44e51a [ 168.750678] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 168.758378] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 168.765630] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 168.772878] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 168.780128] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 168.787395] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 168.794657] CPU: 0 PID: 8333 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 168.798418] FAT-fs (loop2): bogus number of reserved sectors [ 168.802540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.802544] Call Trace: [ 168.802557] dump_stack+0x1b2/0x283 [ 168.802569] should_fail.cold+0x10a/0x154 [ 168.802580] should_failslab+0xd6/0x130 [ 168.802589] kmem_cache_alloc+0x28e/0x3c0 [ 168.802599] alloc_buffer_head+0x20/0x110 [ 168.802608] alloc_page_buffers+0xb3/0x1f0 [ 168.808429] FAT-fs (loop2): Can't find a valid FAT filesystem [ 168.817754] __getblk_slow+0x2d6/0x7a0 [ 168.817769] ? vfat_cmpi+0x3a0/0x3a0 [ 168.817777] __bread_gfp+0x206/0x2e0 [ 168.817786] fat_fill_super+0x2f9/0x31b0 [ 168.817795] ? vsnprintf+0x260/0x1340 [ 168.817805] ? fat_write_end+0x280/0x280 [ 168.817813] ? lock_downgrade+0x740/0x740 [ 168.817822] ? snprintf+0xa5/0xd0 [ 168.886633] ? vsprintf+0x30/0x30 [ 168.890068] ? ns_test_super+0x50/0x50 [ 168.893936] ? set_blocksize+0x125/0x380 [ 168.897977] mount_bdev+0x2b3/0x360 [ 168.901583] ? vfat_mount+0x40/0x40 [ 168.905187] mount_fs+0x92/0x2a0 [ 168.908534] vfs_kern_mount.part.0+0x5b/0x470 [ 168.913026] do_mount+0xe53/0x2a00 [ 168.916560] ? copy_mount_string+0x40/0x40 [ 168.920780] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 168.925798] ? copy_mnt_ns+0xa30/0xa30 [ 168.929751] ? copy_mount_options+0x1fa/0x2f0 [ 168.934223] ? copy_mnt_ns+0xa30/0xa30 [ 168.938087] SyS_mount+0xa8/0x120 [ 168.941521] ? copy_mnt_ns+0xa30/0xa30 [ 168.945386] do_syscall_64+0x1d5/0x640 [ 168.949256] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 168.954422] RIP: 0033:0x44e51a [ 168.957589] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 168.965272] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 168.972520] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 168.979779] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 168.987029] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 168.994292] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 169.006211] FAT-fs (loop4): bogus number of reserved sectors executing program [ 169.013458] FAT-fs (loop4): Can't find a valid FAT filesystem executing program executing program executing program executing program executing program [ 169.183781] FAULT_INJECTION: forcing a failure. [ 169.183781] name failslab, interval 1, probability 0, space 0, times 0 [ 169.197769] FAULT_INJECTION: forcing a failure. [ 169.197769] name failslab, interval 1, probability 0, space 0, times 0 [ 169.210168] FAULT_INJECTION: forcing a failure. [ 169.210168] name failslab, interval 1, probability 0, space 0, times 0 [ 169.216941] FAULT_INJECTION: forcing a failure. [ 169.216941] name failslab, interval 1, probability 0, space 0, times 0 [ 169.226903] CPU: 0 PID: 8343 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 169.240537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.249889] Call Trace: [ 169.252493] dump_stack+0x1b2/0x283 [ 169.256124] should_fail.cold+0x10a/0x154 [ 169.260276] should_failslab+0xd6/0x130 [ 169.264254] kmem_cache_alloc+0x28e/0x3c0 [ 169.268415] alloc_buffer_head+0x20/0x110 [ 169.272563] alloc_page_buffers+0xb3/0x1f0 [ 169.276799] __getblk_slow+0x2d6/0x7a0 [ 169.280699] ? vfat_cmpi+0x3a0/0x3a0 [ 169.284413] __bread_gfp+0x206/0x2e0 [ 169.288133] fat_fill_super+0x2f9/0x31b0 [ 169.292197] ? vsnprintf+0x260/0x1340 [ 169.295999] ? fat_write_end+0x280/0x280 [ 169.300058] ? lock_downgrade+0x740/0x740 [ 169.304201] ? snprintf+0xa5/0xd0 [ 169.307651] ? vsprintf+0x30/0x30 [ 169.311125] ? ns_test_super+0x50/0x50 [ 169.314997] ? set_blocksize+0x125/0x380 [ 169.319059] mount_bdev+0x2b3/0x360 [ 169.322685] ? vfat_mount+0x40/0x40 [ 169.326309] mount_fs+0x92/0x2a0 [ 169.329687] vfs_kern_mount.part.0+0x5b/0x470 [ 169.334270] do_mount+0xe53/0x2a00 [ 169.337814] ? do_raw_spin_unlock+0x164/0x220 [ 169.342316] ? copy_mount_string+0x40/0x40 [ 169.346559] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 169.351578] ? copy_mnt_ns+0xa30/0xa30 [ 169.355464] ? copy_mount_options+0x1fa/0x2f0 [ 169.359951] ? copy_mnt_ns+0xa30/0xa30 [ 169.363914] SyS_mount+0xa8/0x120 [ 169.367348] ? copy_mnt_ns+0xa30/0xa30 [ 169.371221] do_syscall_64+0x1d5/0x640 [ 169.375095] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 169.380265] RIP: 0033:0x44e51a [ 169.383434] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 169.391295] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 169.394040] FAULT_INJECTION: forcing a failure. [ 169.394040] name failslab, interval 1, probability 0, space 0, times 0 [ 169.398569] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 169.417004] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 169.424273] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 169.431562] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 169.438855] CPU: 1 PID: 8364 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 169.441788] FAULT_INJECTION: forcing a failure. [ 169.441788] name failslab, interval 1, probability 0, space 0, times 0 [ 169.446736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.446740] Call Trace: [ 169.446753] dump_stack+0x1b2/0x283 [ 169.446766] should_fail.cold+0x10a/0x154 [ 169.446780] should_failslab+0xd6/0x130 [ 169.481566] kmem_cache_alloc+0x28e/0x3c0 [ 169.485705] alloc_buffer_head+0x20/0x110 [ 169.489845] alloc_page_buffers+0xb3/0x1f0 [ 169.494072] __getblk_slow+0x2d6/0x7a0 [ 169.497964] ? vfat_cmpi+0x3a0/0x3a0 [ 169.501663] __bread_gfp+0x206/0x2e0 [ 169.505368] fat_fill_super+0x2f9/0x31b0 [ 169.509409] ? vsnprintf+0x260/0x1340 [ 169.513191] ? fat_write_end+0x280/0x280 [ 169.517258] ? lock_downgrade+0x740/0x740 [ 169.521387] ? snprintf+0xa5/0xd0 [ 169.524821] ? vsprintf+0x30/0x30 [ 169.528254] ? ns_test_super+0x50/0x50 [ 169.532139] ? set_blocksize+0x125/0x380 [ 169.536196] mount_bdev+0x2b3/0x360 [ 169.539808] ? vfat_mount+0x40/0x40 [ 169.543438] mount_fs+0x92/0x2a0 [ 169.546808] vfs_kern_mount.part.0+0x5b/0x470 [ 169.551285] do_mount+0xe53/0x2a00 [ 169.554826] ? do_raw_spin_unlock+0x164/0x220 [ 169.559313] ? copy_mount_string+0x40/0x40 [ 169.563545] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 169.568552] ? copy_mnt_ns+0xa30/0xa30 [ 169.572425] ? copy_mount_options+0x1fa/0x2f0 [ 169.576918] ? copy_mnt_ns+0xa30/0xa30 [ 169.580787] SyS_mount+0xa8/0x120 [ 169.584220] ? copy_mnt_ns+0xa30/0xa30 [ 169.588177] do_syscall_64+0x1d5/0x640 [ 169.592061] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 169.597243] RIP: 0033:0x44e51a [ 169.600413] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 169.608104] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 169.615354] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 169.622762] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 169.630040] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 169.637436] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 169.644741] CPU: 0 PID: 8371 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 169.652661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.662014] Call Trace: [ 169.664598] dump_stack+0x1b2/0x283 [ 169.668223] should_fail.cold+0x10a/0x154 [ 169.672378] should_failslab+0xd6/0x130 [ 169.676359] kmem_cache_alloc+0x28e/0x3c0 [ 169.680506] alloc_buffer_head+0x20/0x110 [ 169.684651] alloc_page_buffers+0xb3/0x1f0 [ 169.688891] __getblk_slow+0x2d6/0x7a0 [ 169.692784] ? vfat_cmpi+0x3a0/0x3a0 [ 169.696497] __bread_gfp+0x206/0x2e0 [ 169.700210] fat_fill_super+0x2f9/0x31b0 [ 169.704290] ? vsnprintf+0x260/0x1340 [ 169.708081] ? fat_write_end+0x280/0x280 [ 169.712154] ? lock_downgrade+0x740/0x740 [ 169.716290] ? snprintf+0xa5/0xd0 [ 169.719733] ? vsprintf+0x30/0x30 [ 169.723185] ? ns_test_super+0x50/0x50 [ 169.727066] ? set_blocksize+0x125/0x380 [ 169.731116] mount_bdev+0x2b3/0x360 [ 169.734728] ? vfat_mount+0x40/0x40 [ 169.738345] mount_fs+0x92/0x2a0 [ 169.741715] vfs_kern_mount.part.0+0x5b/0x470 [ 169.746204] do_mount+0xe53/0x2a00 [ 169.749737] ? do_raw_spin_unlock+0x164/0x220 [ 169.754233] ? copy_mount_string+0x40/0x40 [ 169.758472] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 169.763525] ? copy_mnt_ns+0xa30/0xa30 [ 169.768104] ? copy_mount_options+0x1fa/0x2f0 [ 169.772594] ? copy_mnt_ns+0xa30/0xa30 [ 169.776484] SyS_mount+0xa8/0x120 [ 169.779924] ? copy_mnt_ns+0xa30/0xa30 [ 169.783806] do_syscall_64+0x1d5/0x640 [ 169.787709] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 169.792894] RIP: 0033:0x44e51a [ 169.796076] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 169.803868] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 169.811136] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 169.818390] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 169.825651] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 169.832918] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 169.840208] CPU: 1 PID: 8353 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 169.848108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.857532] Call Trace: [ 169.860104] dump_stack+0x1b2/0x283 [ 169.863715] should_fail.cold+0x10a/0x154 [ 169.867866] should_failslab+0xd6/0x130 [ 169.871822] kmem_cache_alloc+0x28e/0x3c0 [ 169.875953] alloc_buffer_head+0x20/0x110 [ 169.880081] alloc_page_buffers+0xb3/0x1f0 [ 169.884298] __getblk_slow+0x2d6/0x7a0 [ 169.888272] ? vfat_cmpi+0x3a0/0x3a0 [ 169.891966] __bread_gfp+0x206/0x2e0 [ 169.895662] fat_fill_super+0x2f9/0x31b0 [ 169.899706] ? vsnprintf+0x260/0x1340 [ 169.903490] ? fat_write_end+0x280/0x280 [ 169.907618] ? lock_downgrade+0x740/0x740 [ 169.911748] ? snprintf+0xa5/0xd0 [ 169.915179] ? vsprintf+0x30/0x30 [ 169.918621] ? ns_test_super+0x50/0x50 [ 169.922497] ? set_blocksize+0x125/0x380 [ 169.926547] mount_bdev+0x2b3/0x360 [ 169.930154] ? vfat_mount+0x40/0x40 [ 169.933759] mount_fs+0x92/0x2a0 [ 169.937111] vfs_kern_mount.part.0+0x5b/0x470 [ 169.941589] do_mount+0xe53/0x2a00 [ 169.945111] ? do_raw_spin_unlock+0x164/0x220 [ 169.953935] ? copy_mount_string+0x40/0x40 [ 169.958416] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 169.963414] ? copy_mnt_ns+0xa30/0xa30 [ 169.967288] ? copy_mount_options+0x1fa/0x2f0 [ 169.971764] ? copy_mnt_ns+0xa30/0xa30 [ 169.975634] SyS_mount+0xa8/0x120 [ 169.979098] ? copy_mnt_ns+0xa30/0xa30 [ 169.982971] do_syscall_64+0x1d5/0x640 [ 169.986853] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 169.992024] RIP: 0033:0x44e51a [ 169.995192] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 170.002881] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 170.010132] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 170.017382] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 170.024650] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 170.031899] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 170.039194] CPU: 0 PID: 8352 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 170.047081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.056437] Call Trace: [ 170.059027] dump_stack+0x1b2/0x283 [ 170.062655] should_fail.cold+0x10a/0x154 [ 170.066828] should_failslab+0xd6/0x130 [ 170.070790] kmem_cache_alloc+0x28e/0x3c0 [ 170.074926] alloc_buffer_head+0x20/0x110 [ 170.079062] alloc_page_buffers+0xb3/0x1f0 [ 170.083289] __getblk_slow+0x2d6/0x7a0 [ 170.087167] ? vfat_cmpi+0x3a0/0x3a0 [ 170.090880] __bread_gfp+0x206/0x2e0 [ 170.094574] fat_fill_super+0x2f9/0x31b0 [ 170.098616] ? vsnprintf+0x260/0x1340 [ 170.102398] ? fat_write_end+0x280/0x280 [ 170.106442] ? lock_downgrade+0x740/0x740 [ 170.110577] ? snprintf+0xa5/0xd0 [ 170.114009] ? vsprintf+0x30/0x30 [ 170.117444] ? ns_test_super+0x50/0x50 [ 170.121313] ? set_blocksize+0x125/0x380 [ 170.125357] mount_bdev+0x2b3/0x360 [ 170.128965] ? vfat_mount+0x40/0x40 [ 170.132573] mount_fs+0x92/0x2a0 [ 170.135927] vfs_kern_mount.part.0+0x5b/0x470 [ 170.140405] do_mount+0xe53/0x2a00 [ 170.143935] ? do_raw_spin_unlock+0x164/0x220 [ 170.148418] ? copy_mount_string+0x40/0x40 [ 170.152632] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 170.157637] ? copy_mnt_ns+0xa30/0xa30 [ 170.161514] ? copy_mount_options+0x1fa/0x2f0 [ 170.166009] ? copy_mnt_ns+0xa30/0xa30 [ 170.169897] SyS_mount+0xa8/0x120 [ 170.173332] ? copy_mnt_ns+0xa30/0xa30 [ 170.177290] do_syscall_64+0x1d5/0x640 [ 170.181178] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 170.186354] RIP: 0033:0x44e51a [ 170.189527] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 170.197229] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 170.204478] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 170.211731] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 170.218981] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 170.226337] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 170.233604] CPU: 1 PID: 8372 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 170.233771] FAT-fs (loop1): bogus number of reserved sectors [ 170.241485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.241489] Call Trace: [ 170.241503] dump_stack+0x1b2/0x283 [ 170.241515] should_fail.cold+0x10a/0x154 [ 170.241526] should_failslab+0xd6/0x130 [ 170.247845] FAT-fs (loop1): Can't find a valid FAT filesystem [ 170.256675] kmem_cache_alloc+0x28e/0x3c0 [ 170.256686] alloc_buffer_head+0x20/0x110 [ 170.256693] alloc_page_buffers+0xb3/0x1f0 [ 170.256702] __getblk_slow+0x2d6/0x7a0 [ 170.256715] ? vfat_cmpi+0x3a0/0x3a0 [ 170.256722] __bread_gfp+0x206/0x2e0 [ 170.256730] fat_fill_super+0x2f9/0x31b0 [ 170.256739] ? vsnprintf+0x260/0x1340 [ 170.256750] ? fat_write_end+0x280/0x280 [ 170.256760] ? lock_downgrade+0x740/0x740 [ 170.256768] ? snprintf+0xa5/0xd0 [ 170.256775] ? vsprintf+0x30/0x30 [ 170.256786] ? ns_test_super+0x50/0x50 [ 170.256794] ? set_blocksize+0x125/0x380 [ 170.256804] mount_bdev+0x2b3/0x360 [ 170.256810] ? vfat_mount+0x40/0x40 [ 170.256818] mount_fs+0x92/0x2a0 [ 170.256830] vfs_kern_mount.part.0+0x5b/0x470 [ 170.256841] do_mount+0xe53/0x2a00 [ 170.256852] ? do_raw_spin_unlock+0x164/0x220 [ 170.256863] ? copy_mount_string+0x40/0x40 [ 170.256872] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 170.256879] ? copy_mnt_ns+0xa30/0xa30 [ 170.256888] ? copy_mount_options+0x1fa/0x2f0 [ 170.261915] FAT-fs (loop0): bogus number of reserved sectors [ 170.263094] ? copy_mnt_ns+0xa30/0xa30 [ 170.263104] SyS_mount+0xa8/0x120 [ 170.263112] ? copy_mnt_ns+0xa30/0xa30 [ 170.267293] FAT-fs (loop0): Can't find a valid FAT filesystem [ 170.271229] do_syscall_64+0x1d5/0x640 [ 170.271245] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 170.271252] RIP: 0033:0x44e51a [ 170.271256] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 170.271264] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 170.271268] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 170.271274] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 170.439164] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 170.446412] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 170.456602] FAT-fs (loop2): bogus number of reserved sectors [ 170.464952] FAT-fs (loop2): Can't find a valid FAT filesystem [ 170.478387] FAT-fs (loop4): bogus number of reserved sectors [ 170.484344] FAT-fs (loop4): Can't find a valid FAT filesystem [ 170.493684] FAT-fs (loop3): bogus number of reserved sectors [ 170.499592] FAT-fs (loop3): Can't find a valid FAT filesystem [ 170.507196] FAT-fs (loop5): bogus number of reserved sectors [ 170.513581] FAT-fs (loop5): Can't find a valid FAT filesystem executing program [ 170.697095] FAULT_INJECTION: forcing a failure. [ 170.697095] name failslab, interval 1, probability 0, space 0, times 0 [ 170.708477] CPU: 0 PID: 8391 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 170.716475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.725920] Call Trace: [ 170.728514] dump_stack+0x1b2/0x283 [ 170.732167] should_fail.cold+0x10a/0x154 [ 170.736301] should_failslab+0xd6/0x130 [ 170.740275] kmem_cache_alloc+0x28e/0x3c0 [ 170.744419] alloc_buffer_head+0x20/0x110 [ 170.748558] alloc_page_buffers+0xb3/0x1f0 [ 170.752773] __getblk_slow+0x2d6/0x7a0 [ 170.756660] ? vfat_cmpi+0x3a0/0x3a0 [ 170.760351] __bread_gfp+0x206/0x2e0 [ 170.764064] fat_fill_super+0x2f9/0x31b0 [ 170.768103] ? vsnprintf+0x260/0x1340 [ 170.771906] ? fat_write_end+0x280/0x280 [ 170.776031] ? lock_downgrade+0x740/0x740 [ 170.780159] ? snprintf+0xa5/0xd0 [ 170.783603] ? vsprintf+0x30/0x30 [ 170.787035] ? ns_test_super+0x50/0x50 [ 170.790914] ? set_blocksize+0x125/0x380 [ 170.794956] mount_bdev+0x2b3/0x360 [ 170.798559] ? vfat_mount+0x40/0x40 [ 170.802161] mount_fs+0x92/0x2a0 [ 170.805521] vfs_kern_mount.part.0+0x5b/0x470 [ 170.809994] do_mount+0xe53/0x2a00 [ 170.813515] ? do_raw_spin_unlock+0x164/0x220 [ 170.817988] ? copy_mount_string+0x40/0x40 [ 170.822202] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 170.827223] ? copy_mnt_ns+0xa30/0xa30 [ 170.831090] ? copy_mount_options+0x1fa/0x2f0 [ 170.835564] ? copy_mnt_ns+0xa30/0xa30 [ 170.839428] SyS_mount+0xa8/0x120 [ 170.842858] ? copy_mnt_ns+0xa30/0xa30 [ 170.846721] do_syscall_64+0x1d5/0x640 [ 170.850600] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 170.855773] RIP: 0033:0x44e51a [ 170.858939] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 170.866708] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 170.873954] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 170.883374] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 170.890633] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 executing program executing program executing program executing program executing program [ 170.897880] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 170.907837] FAT-fs (loop1): bogus number of reserved sectors [ 170.919303] FAT-fs (loop1): Can't find a valid FAT filesystem [ 170.934296] FAULT_INJECTION: forcing a failure. [ 170.934296] name failslab, interval 1, probability 0, space 0, times 0 [ 170.947468] FAULT_INJECTION: forcing a failure. [ 170.947468] name failslab, interval 1, probability 0, space 0, times 0 [ 170.951956] FAULT_INJECTION: forcing a failure. [ 170.951956] name failslab, interval 1, probability 0, space 0, times 0 [ 170.959251] CPU: 0 PID: 8406 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 170.971529] FAULT_INJECTION: forcing a failure. [ 170.971529] name failslab, interval 1, probability 0, space 0, times 0 [ 170.977725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.977728] Call Trace: [ 170.977741] dump_stack+0x1b2/0x283 [ 170.977755] should_fail.cold+0x10a/0x154 [ 170.991560] FAULT_INJECTION: forcing a failure. [ 170.991560] name failslab, interval 1, probability 0, space 0, times 0 [ 170.998360] should_failslab+0xd6/0x130 [ 170.998372] kmem_cache_alloc+0x28e/0x3c0 [ 171.027963] alloc_buffer_head+0x20/0x110 [ 171.032193] alloc_page_buffers+0xb3/0x1f0 [ 171.036422] __getblk_slow+0x2d6/0x7a0 [ 171.040301] ? vfat_cmpi+0x3a0/0x3a0 [ 171.044012] __bread_gfp+0x206/0x2e0 [ 171.047726] fat_fill_super+0x2f9/0x31b0 [ 171.051780] ? vsnprintf+0x260/0x1340 [ 171.055575] ? fat_write_end+0x280/0x280 [ 171.059651] ? lock_downgrade+0x740/0x740 [ 171.063789] ? snprintf+0xa5/0xd0 [ 171.067232] ? vsprintf+0x30/0x30 [ 171.070677] ? ns_test_super+0x50/0x50 [ 171.074556] ? set_blocksize+0x125/0x380 [ 171.078616] mount_bdev+0x2b3/0x360 [ 171.082235] ? vfat_mount+0x40/0x40 [ 171.085865] mount_fs+0x92/0x2a0 [ 171.089228] vfs_kern_mount.part.0+0x5b/0x470 [ 171.093739] do_mount+0xe53/0x2a00 [ 171.097279] ? do_raw_spin_unlock+0x164/0x220 [ 171.101764] ? copy_mount_string+0x40/0x40 [ 171.105985] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 171.110996] ? copy_mnt_ns+0xa30/0xa30 [ 171.114905] ? copy_mount_options+0x1fa/0x2f0 [ 171.119390] ? copy_mnt_ns+0xa30/0xa30 [ 171.123272] SyS_mount+0xa8/0x120 [ 171.126715] ? copy_mnt_ns+0xa30/0xa30 [ 171.130593] do_syscall_64+0x1d5/0x640 [ 171.134472] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 171.139646] RIP: 0033:0x44e51a [ 171.142820] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 171.150520] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 171.157783] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 171.165048] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 171.172321] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 171.179581] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 171.186854] CPU: 1 PID: 8408 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 171.194777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.204111] Call Trace: [ 171.206682] dump_stack+0x1b2/0x283 [ 171.210291] should_fail.cold+0x10a/0x154 [ 171.214421] should_failslab+0xd6/0x130 [ 171.218374] kmem_cache_alloc+0x28e/0x3c0 [ 171.222518] alloc_buffer_head+0x20/0x110 [ 171.226647] alloc_page_buffers+0xb3/0x1f0 [ 171.230863] __getblk_slow+0x2d6/0x7a0 [ 171.234735] ? vfat_cmpi+0x3a0/0x3a0 [ 171.238442] __bread_gfp+0x206/0x2e0 [ 171.242134] fat_fill_super+0x2f9/0x31b0 [ 171.246176] ? vsnprintf+0x260/0x1340 [ 171.249956] ? fat_write_end+0x280/0x280 [ 171.253997] ? lock_downgrade+0x740/0x740 [ 171.258126] ? snprintf+0xa5/0xd0 [ 171.261557] ? vsprintf+0x30/0x30 [ 171.264992] ? ns_test_super+0x50/0x50 [ 171.268859] ? set_blocksize+0x125/0x380 [ 171.272913] mount_bdev+0x2b3/0x360 [ 171.276519] ? vfat_mount+0x40/0x40 [ 171.280125] mount_fs+0x92/0x2a0 [ 171.283490] vfs_kern_mount.part.0+0x5b/0x470 [ 171.287968] do_mount+0xe53/0x2a00 [ 171.291503] ? do_raw_spin_unlock+0x164/0x220 [ 171.295979] ? copy_mount_string+0x40/0x40 [ 171.300195] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 171.305191] ? copy_mnt_ns+0xa30/0xa30 [ 171.309059] ? copy_mount_options+0x1fa/0x2f0 [ 171.313548] ? copy_mnt_ns+0xa30/0xa30 [ 171.317422] SyS_mount+0xa8/0x120 [ 171.320854] ? copy_mnt_ns+0xa30/0xa30 [ 171.324723] do_syscall_64+0x1d5/0x640 [ 171.328594] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 171.333778] RIP: 0033:0x44e51a [ 171.336947] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 171.344728] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 171.351979] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 171.359228] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 171.366477] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 171.373725] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 171.381146] CPU: 0 PID: 8410 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 171.389036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.398386] Call Trace: [ 171.400972] dump_stack+0x1b2/0x283 [ 171.404607] should_fail.cold+0x10a/0x154 [ 171.408764] should_failslab+0xd6/0x130 [ 171.412743] kmem_cache_alloc+0x28e/0x3c0 [ 171.416900] alloc_buffer_head+0x20/0x110 [ 171.421053] alloc_page_buffers+0xb3/0x1f0 [ 171.425434] __getblk_slow+0x2d6/0x7a0 [ 171.429328] ? vfat_cmpi+0x3a0/0x3a0 [ 171.433044] __bread_gfp+0x206/0x2e0 [ 171.436750] fat_fill_super+0x2f9/0x31b0 [ 171.440807] ? vsnprintf+0x260/0x1340 [ 171.444606] ? fat_write_end+0x280/0x280 [ 171.448666] ? lock_downgrade+0x740/0x740 [ 171.452818] ? snprintf+0xa5/0xd0 [ 171.456263] ? vsprintf+0x30/0x30 [ 171.459711] ? ns_test_super+0x50/0x50 [ 171.463601] ? set_blocksize+0x125/0x380 [ 171.467688] mount_bdev+0x2b3/0x360 [ 171.471317] ? vfat_mount+0x40/0x40 [ 171.475037] mount_fs+0x92/0x2a0 [ 171.478410] vfs_kern_mount.part.0+0x5b/0x470 [ 171.482904] do_mount+0xe53/0x2a00 [ 171.486444] ? retint_kernel+0x2d/0x2d [ 171.490373] ? copy_mount_string+0x40/0x40 [ 171.494610] ? copy_mount_options+0x197/0x2f0 [ 171.499111] ? copy_mount_options+0x1fa/0x2f0 [ 171.503613] ? copy_mnt_ns+0xa30/0xa30 [ 171.507505] SyS_mount+0xa8/0x120 [ 171.510957] ? copy_mnt_ns+0xa30/0xa30 [ 171.514837] do_syscall_64+0x1d5/0x640 [ 171.518741] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 171.523918] RIP: 0033:0x44e51a [ 171.527184] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 171.534879] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 171.542138] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 171.549401] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 171.556698] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 171.563965] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 171.571241] CPU: 1 PID: 8407 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 171.576889] FAT-fs (loop3): bogus number of reserved sectors [ 171.579125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.579129] Call Trace: [ 171.579149] dump_stack+0x1b2/0x283 [ 171.579162] should_fail.cold+0x10a/0x154 [ 171.579173] should_failslab+0xd6/0x130 [ 171.585363] FAT-fs (loop3): Can't find a valid FAT filesystem [ 171.594342] kmem_cache_alloc+0x28e/0x3c0 [ 171.594355] alloc_buffer_head+0x20/0x110 [ 171.594368] alloc_page_buffers+0xb3/0x1f0 [ 171.594378] __getblk_slow+0x2d6/0x7a0 [ 171.594392] ? vfat_cmpi+0x3a0/0x3a0 [ 171.594401] __bread_gfp+0x206/0x2e0 [ 171.638315] fat_fill_super+0x2f9/0x31b0 [ 171.642369] ? vsnprintf+0x260/0x1340 [ 171.646154] ? fat_write_end+0x280/0x280 [ 171.650194] ? lock_downgrade+0x740/0x740 [ 171.654322] ? snprintf+0xa5/0xd0 [ 171.657754] ? vsprintf+0x30/0x30 [ 171.661187] ? ns_test_super+0x50/0x50 [ 171.665069] ? set_blocksize+0x125/0x380 [ 171.669126] mount_bdev+0x2b3/0x360 [ 171.672742] ? vfat_mount+0x40/0x40 [ 171.676348] mount_fs+0x92/0x2a0 [ 171.679710] vfs_kern_mount.part.0+0x5b/0x470 [ 171.684206] do_mount+0xe53/0x2a00 [ 171.687728] ? do_raw_spin_unlock+0x164/0x220 [ 171.692204] ? copy_mount_string+0x40/0x40 [ 171.696418] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 171.701412] ? copy_mnt_ns+0xa30/0xa30 [ 171.705295] ? copy_mount_options+0x1fa/0x2f0 [ 171.709784] ? copy_mnt_ns+0xa30/0xa30 [ 171.713651] SyS_mount+0xa8/0x120 [ 171.717083] ? copy_mnt_ns+0xa30/0xa30 [ 171.720951] do_syscall_64+0x1d5/0x640 [ 171.724822] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 171.729992] RIP: 0033:0x44e51a [ 171.733173] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 171.740861] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a executing program [ 171.748124] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 171.755389] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 171.762645] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 171.769917] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 171.785207] CPU: 1 PID: 8409 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 171.785855] FAT-fs (loop4): bogus number of reserved sectors [ 171.793098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.793101] Call Trace: [ 171.793116] dump_stack+0x1b2/0x283 [ 171.793130] should_fail.cold+0x10a/0x154 [ 171.793141] should_failslab+0xd6/0x130 [ 171.793151] kmem_cache_alloc+0x28e/0x3c0 [ 171.793160] alloc_buffer_head+0x20/0x110 [ 171.793167] alloc_page_buffers+0xb3/0x1f0 [ 171.793177] __getblk_slow+0x2d6/0x7a0 [ 171.793191] ? vfat_cmpi+0x3a0/0x3a0 [ 171.793200] __bread_gfp+0x206/0x2e0 [ 171.793210] fat_fill_super+0x2f9/0x31b0 [ 171.793219] ? vsnprintf+0x260/0x1340 [ 171.793231] ? fat_write_end+0x280/0x280 [ 171.793241] ? lock_downgrade+0x740/0x740 [ 171.793250] ? snprintf+0xa5/0xd0 [ 171.793256] ? vsprintf+0x30/0x30 [ 171.793266] ? ns_test_super+0x50/0x50 [ 171.793274] ? set_blocksize+0x125/0x380 [ 171.793284] mount_bdev+0x2b3/0x360 [ 171.809114] FAT-fs (loop4): Can't find a valid FAT filesystem [ 171.810995] ? vfat_mount+0x40/0x40 [ 171.811008] mount_fs+0x92/0x2a0 [ 171.811022] vfs_kern_mount.part.0+0x5b/0x470 [ 171.811031] do_mount+0xe53/0x2a00 [ 171.811041] ? do_raw_spin_unlock+0x164/0x220 [ 171.811052] ? copy_mount_string+0x40/0x40 [ 171.911394] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 171.916390] ? copy_mnt_ns+0xa30/0xa30 [ 171.920258] ? copy_mount_options+0x1fa/0x2f0 [ 171.924734] ? copy_mnt_ns+0xa30/0xa30 [ 171.928606] SyS_mount+0xa8/0x120 [ 171.932039] ? copy_mnt_ns+0xa30/0xa30 [ 171.935907] do_syscall_64+0x1d5/0x640 [ 171.939776] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 171.944966] RIP: 0033:0x44e51a [ 171.948151] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 171.955837] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 171.963086] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 171.970339] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 171.977609] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 171.984870] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 171.998884] FAT-fs (loop5): bogus number of reserved sectors [ 172.010596] FAULT_INJECTION: forcing a failure. [ 172.010596] name failslab, interval 1, probability 0, space 0, times 0 [ 172.022020] FAT-fs (loop5): Can't find a valid FAT filesystem [ 172.024755] FAT-fs (loop2): bogus number of reserved sectors [ 172.028512] CPU: 1 PID: 8436 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 172.033977] FAT-fs (loop2): Can't find a valid FAT filesystem [ 172.041721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.041724] Call Trace: [ 172.041739] dump_stack+0x1b2/0x283 [ 172.041752] should_fail.cold+0x10a/0x154 [ 172.041764] should_failslab+0xd6/0x130 [ 172.041773] kmem_cache_alloc+0x28e/0x3c0 [ 172.041783] alloc_buffer_head+0x20/0x110 [ 172.041791] alloc_page_buffers+0xb3/0x1f0 [ 172.041801] __getblk_slow+0x2d6/0x7a0 [ 172.041815] ? vfat_cmpi+0x3a0/0x3a0 [ 172.041823] __bread_gfp+0x206/0x2e0 [ 172.041832] fat_fill_super+0x2f9/0x31b0 [ 172.099084] ? vsnprintf+0x260/0x1340 [ 172.102869] ? fat_write_end+0x280/0x280 [ 172.106910] ? lock_downgrade+0x740/0x740 [ 172.111037] ? snprintf+0xa5/0xd0 [ 172.114474] ? vsprintf+0x30/0x30 [ 172.117907] ? ns_test_super+0x50/0x50 [ 172.121790] ? set_blocksize+0x125/0x380 [ 172.125833] mount_bdev+0x2b3/0x360 [ 172.129456] ? vfat_mount+0x40/0x40 [ 172.133064] mount_fs+0x92/0x2a0 [ 172.136411] vfs_kern_mount.part.0+0x5b/0x470 [ 172.141424] do_mount+0xe53/0x2a00 [ 172.144960] ? do_raw_spin_unlock+0x164/0x220 [ 172.149435] ? copy_mount_string+0x40/0x40 [ 172.153649] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 172.158646] ? copy_mnt_ns+0xa30/0xa30 [ 172.162514] ? copy_mount_options+0x1fa/0x2f0 [ 172.166989] ? copy_mnt_ns+0xa30/0xa30 [ 172.170875] SyS_mount+0xa8/0x120 [ 172.174325] ? copy_mnt_ns+0xa30/0xa30 [ 172.178193] do_syscall_64+0x1d5/0x640 [ 172.182064] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 172.187244] RIP: 0033:0x44e51a [ 172.190417] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 172.198106] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 172.205369] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 172.212618] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 172.219866] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 172.227133] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 172.240086] FAT-fs (loop0): bogus number of reserved sectors [ 172.246026] FAT-fs (loop0): Can't find a valid FAT filesystem [ 172.253917] FAT-fs (loop1): bogus number of reserved sectors [ 172.259818] FAT-fs (loop1): Can't find a valid FAT filesystem executing program executing program executing program executing program [ 172.534346] FAULT_INJECTION: forcing a failure. [ 172.534346] name failslab, interval 1, probability 0, space 0, times 0 [ 172.547380] FAULT_INJECTION: forcing a failure. [ 172.547380] name failslab, interval 1, probability 0, space 0, times 0 [ 172.559447] CPU: 1 PID: 8451 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 172.567348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.576703] Call Trace: [ 172.579295] dump_stack+0x1b2/0x283 [ 172.582927] should_fail.cold+0x10a/0x154 [ 172.587081] should_failslab+0xd6/0x130 [ 172.591062] kmem_cache_alloc+0x28e/0x3c0 [ 172.595217] alloc_buffer_head+0x20/0x110 [ 172.599374] alloc_page_buffers+0xb3/0x1f0 [ 172.603614] __getblk_slow+0x2d6/0x7a0 [ 172.607508] ? vfat_cmpi+0x3a0/0x3a0 [ 172.611225] __bread_gfp+0x206/0x2e0 [ 172.614951] fat_fill_super+0x2f9/0x31b0 [ 172.619017] ? vsnprintf+0x260/0x1340 [ 172.622941] ? fat_write_end+0x280/0x280 [ 172.627006] ? lock_downgrade+0x740/0x740 [ 172.631304] ? snprintf+0xa5/0xd0 [ 172.634760] ? vsprintf+0x30/0x30 [ 172.638217] ? ns_test_super+0x50/0x50 [ 172.642230] ? set_blocksize+0x125/0x380 [ 172.646301] mount_bdev+0x2b3/0x360 [ 172.649931] ? vfat_mount+0x40/0x40 [ 172.653560] mount_fs+0x92/0x2a0 [ 172.656933] vfs_kern_mount.part.0+0x5b/0x470 [ 172.661437] do_mount+0xe53/0x2a00 [ 172.664976] ? do_raw_spin_unlock+0x164/0x220 [ 172.669472] ? copy_mount_string+0x40/0x40 [ 172.669762] FAULT_INJECTION: forcing a failure. [ 172.669762] name failslab, interval 1, probability 0, space 0, times 0 [ 172.673695] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 172.673704] ? copy_mnt_ns+0xa30/0xa30 [ 172.673712] ? copy_mount_options+0x1fa/0x2f0 [ 172.673724] ? copy_mnt_ns+0xa30/0xa30 [ 172.673735] SyS_mount+0xa8/0x120 [ 172.705729] ? copy_mnt_ns+0xa30/0xa30 [ 172.709636] do_syscall_64+0x1d5/0x640 [ 172.713520] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 172.718720] RIP: 0033:0x44e51a [ 172.721892] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 172.729582] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 172.736835] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 172.744109] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 172.751378] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 172.758715] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 172.765978] CPU: 0 PID: 8463 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 172.773867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.783223] Call Trace: [ 172.785808] dump_stack+0x1b2/0x283 [ 172.789424] should_fail.cold+0x10a/0x154 [ 172.793573] ? mempool_free+0x1d0/0x1d0 [ 172.797529] should_failslab+0xd6/0x130 [ 172.801493] kmem_cache_alloc+0x40/0x3c0 [ 172.805537] ? mempool_free+0x1d0/0x1d0 [ 172.809492] mempool_alloc+0x10e/0x2d0 [ 172.813363] ? remove_element.isra.0+0x1b0/0x1b0 [ 172.818102] ? mark_held_locks+0xa6/0xf0 [ 172.822160] ? __find_get_block+0x817/0xc40 [ 172.826725] bio_alloc_bioset+0x41b/0x830 [ 172.830862] ? bvec_alloc+0x2d0/0x2d0 [ 172.834643] ? __getblk_slow+0x57f/0x7a0 [ 172.838692] submit_bh_wbc+0xf5/0x6f0 [ 172.844130] ? vfat_cmpi+0x3a0/0x3a0 [ 172.847850] __bread_gfp+0x11c/0x2e0 [ 172.851548] fat_fill_super+0x2f9/0x31b0 [ 172.855591] ? vsnprintf+0x260/0x1340 [ 172.859375] ? fat_write_end+0x280/0x280 [ 172.863417] ? lock_downgrade+0x740/0x740 [ 172.867545] ? snprintf+0xa5/0xd0 [ 172.870978] ? vsprintf+0x30/0x30 [ 172.874414] ? ns_test_super+0x50/0x50 [ 172.878290] ? set_blocksize+0x125/0x380 [ 172.882336] mount_bdev+0x2b3/0x360 [ 172.885949] ? vfat_mount+0x40/0x40 [ 172.889580] mount_fs+0x92/0x2a0 [ 172.892946] vfs_kern_mount.part.0+0x5b/0x470 [ 172.897451] do_mount+0xe53/0x2a00 [ 172.901001] ? copy_mount_string+0x40/0x40 [ 172.905236] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 172.910255] ? copy_mnt_ns+0xa30/0xa30 [ 172.914164] ? copy_mount_options+0x1fa/0x2f0 [ 172.918674] ? copy_mnt_ns+0xa30/0xa30 [ 172.922559] SyS_mount+0xa8/0x120 [ 172.926006] ? copy_mnt_ns+0xa30/0xa30 [ 172.931546] do_syscall_64+0x1d5/0x640 executing program executing program [ 172.935445] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 172.940651] RIP: 0033:0x44e51a [ 172.943835] RSP: 002b:00007f069ce2db28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 172.951533] RAX: ffffffffffffffda RBX: 00007f069ce2db30 RCX: 000000000044e51a [ 172.958799] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce2db30 [ 172.966439] RBP: 0000000000000006 R08: 00007f069ce2db70 R09: 6f6f6c2f7665642f [ 172.968065] FAULT_INJECTION: forcing a failure. [ 172.968065] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 172.973706] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000005 [ 172.973710] R13: 0000000000000000 R14: 00007f069ce2db70 R15: 00007f069ce2e6d4 [ 172.991867] FAT-fs (loop0): bogus number of reserved sectors [ 172.993936] FAULT_INJECTION: forcing a failure. [ 172.993936] name failslab, interval 1, probability 0, space 0, times 0 [ 172.999959] FAT-fs (loop0): Can't find a valid FAT filesystem [ 173.010610] CPU: 1 PID: 8452 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 173.030742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.040157] Call Trace: [ 173.042747] dump_stack+0x1b2/0x283 [ 173.046367] should_fail.cold+0x10a/0x154 [ 173.050499] should_failslab+0xd6/0x130 [ 173.054485] kmem_cache_alloc_trace+0x29a/0x3d0 [ 173.059145] ? set_precision+0x150/0x150 [ 173.063195] ? vfat_cmpi+0x3a0/0x3a0 [ 173.066890] fat_fill_super+0xb9/0x31b0 [ 173.070845] ? vsnprintf+0x260/0x1340 [ 173.074627] ? fat_write_end+0x280/0x280 [ 173.078669] ? lock_downgrade+0x740/0x740 [ 173.082798] ? snprintf+0xa5/0xd0 [ 173.086229] ? vsprintf+0x30/0x30 [ 173.089669] ? ns_test_super+0x50/0x50 [ 173.093543] ? set_blocksize+0x125/0x380 [ 173.097591] mount_bdev+0x2b3/0x360 [ 173.101219] ? vfat_mount+0x40/0x40 [ 173.104941] mount_fs+0x92/0x2a0 [ 173.108297] vfs_kern_mount.part.0+0x5b/0x470 [ 173.112794] do_mount+0xe53/0x2a00 [ 173.116333] ? do_raw_spin_unlock+0x164/0x220 [ 173.120813] ? copy_mount_string+0x40/0x40 [ 173.125028] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 173.130024] ? copy_mnt_ns+0xa30/0xa30 [ 173.133897] ? copy_mount_options+0x1fa/0x2f0 [ 173.138373] ? copy_mnt_ns+0xa30/0xa30 [ 173.142263] SyS_mount+0xa8/0x120 [ 173.145713] ? copy_mnt_ns+0xa30/0xa30 [ 173.149589] do_syscall_64+0x1d5/0x640 [ 173.153464] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 173.158632] RIP: 0033:0x44e51a [ 173.161802] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 173.169490] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 173.176747] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 173.184268] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 173.191637] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 173.198896] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 173.206160] CPU: 0 PID: 8478 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 173.214046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.223399] Call Trace: [ 173.225992] dump_stack+0x1b2/0x283 [ 173.229618] should_fail.cold+0x10a/0x154 [ 173.233751] should_failslab+0xd6/0x130 [ 173.237708] kmem_cache_alloc+0x28e/0x3c0 [ 173.241841] alloc_buffer_head+0x20/0x110 [ 173.245970] alloc_page_buffers+0xb3/0x1f0 [ 173.250186] __getblk_slow+0x2d6/0x7a0 [ 173.254062] ? vfat_cmpi+0x3a0/0x3a0 [ 173.257780] __bread_gfp+0x206/0x2e0 [ 173.261473] fat_fill_super+0x2f9/0x31b0 [ 173.265515] ? vsnprintf+0x260/0x1340 [ 173.269298] ? fat_write_end+0x280/0x280 [ 173.273339] ? lock_downgrade+0x740/0x740 [ 173.277468] ? snprintf+0xa5/0xd0 [ 173.280902] ? vsprintf+0x30/0x30 [ 173.284345] ? ns_test_super+0x50/0x50 [ 173.288215] ? set_blocksize+0x125/0x380 [ 173.292275] mount_bdev+0x2b3/0x360 [ 173.295897] ? vfat_mount+0x40/0x40 [ 173.299516] mount_fs+0x92/0x2a0 [ 173.301725] FAT-fs (loop3): bogus number of reserved sectors [ 173.302878] vfs_kern_mount.part.0+0x5b/0x470 [ 173.302892] do_mount+0xe53/0x2a00 [ 173.309789] FAT-fs (loop3): Can't find a valid FAT filesystem [ 173.313156] ? do_raw_spin_unlock+0x164/0x220 [ 173.313167] ? copy_mount_string+0x40/0x40 [ 173.313174] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 173.313182] ? copy_mnt_ns+0xa30/0xa30 [ 173.313192] ? copy_mount_options+0x1fa/0x2f0 [ 173.313200] ? copy_mnt_ns+0xa30/0xa30 [ 173.313208] SyS_mount+0xa8/0x120 [ 173.313214] ? copy_mnt_ns+0xa30/0xa30 [ 173.313223] do_syscall_64+0x1d5/0x640 [ 173.313238] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 173.365238] RIP: 0033:0x44e51a [ 173.368407] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 173.376093] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 173.383349] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 173.390601] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 173.397851] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 173.405101] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 173.412973] CPU: 1 PID: 8479 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 173.420862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.430213] Call Trace: [ 173.432806] dump_stack+0x1b2/0x283 [ 173.436435] should_fail.cold+0x10a/0x154 [ 173.440586] should_failslab+0xd6/0x130 [ 173.444559] kmem_cache_alloc+0x28e/0x3c0 [ 173.448711] alloc_buffer_head+0x20/0x110 [ 173.452859] alloc_page_buffers+0xb3/0x1f0 [ 173.456283] FAT-fs (loop1): bogus number of reserved sectors [ 173.457089] __getblk_slow+0x2d6/0x7a0 [ 173.457105] ? vfat_cmpi+0x3a0/0x3a0 [ 173.457115] __bread_gfp+0x206/0x2e0 [ 173.457124] fat_fill_super+0x2f9/0x31b0 [ 173.457139] ? vsnprintf+0x260/0x1340 [ 173.463087] FAT-fs (loop1): Can't find a valid FAT filesystem [ 173.466829] ? fat_write_end+0x280/0x280 [ 173.466840] ? lock_downgrade+0x740/0x740 [ 173.466851] ? snprintf+0xa5/0xd0 [ 173.466858] ? vsprintf+0x30/0x30 [ 173.466869] ? ns_test_super+0x50/0x50 [ 173.466879] ? set_blocksize+0x125/0x380 [ 173.511829] mount_bdev+0x2b3/0x360 [ 173.515448] ? vfat_mount+0x40/0x40 [ 173.519092] mount_fs+0x92/0x2a0 [ 173.522445] vfs_kern_mount.part.0+0x5b/0x470 [ 173.526925] do_mount+0xe53/0x2a00 [ 173.530458] ? retint_kernel+0x2d/0x2d [ 173.534348] ? copy_mount_string+0x40/0x40 [ 173.538576] ? copy_mount_options+0x18f/0x2f0 [ 173.543090] ? copy_mount_options+0x1fa/0x2f0 [ 173.549397] ? copy_mnt_ns+0xa30/0xa30 [ 173.553268] SyS_mount+0xa8/0x120 [ 173.556722] ? copy_mnt_ns+0xa30/0xa30 [ 173.560594] do_syscall_64+0x1d5/0x640 [ 173.564485] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 173.569658] RIP: 0033:0x44e51a [ 173.572845] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 173.580547] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 173.587920] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 173.595261] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 173.602509] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 173.609770] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 173.622155] FAT-fs (loop2): bogus number of reserved sectors [ 173.622160] FAT-fs (loop2): Can't find a valid FAT filesystem [ 173.841471] FAULT_INJECTION: forcing a failure. [ 173.841471] name failslab, interval 1, probability 0, space 0, times 0 [ 173.853008] CPU: 1 PID: 8488 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 173.860961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.870314] Call Trace: [ 173.872889] dump_stack+0x1b2/0x283 [ 173.876506] should_fail.cold+0x10a/0x154 [ 173.880637] should_failslab+0xd6/0x130 [ 173.884608] kmem_cache_alloc_trace+0x29a/0x3d0 [ 173.889278] ? set_precision+0x150/0x150 [ 173.893325] ? vfat_cmpi+0x3a0/0x3a0 [ 173.897025] fat_fill_super+0xb9/0x31b0 [ 173.901019] ? vsnprintf+0x260/0x1340 [ 173.904806] ? fat_write_end+0x280/0x280 [ 173.908846] ? lock_downgrade+0x740/0x740 [ 173.912974] ? snprintf+0xa5/0xd0 [ 173.916405] ? vsprintf+0x30/0x30 [ 173.919838] ? ns_test_super+0x50/0x50 [ 173.923718] ? set_blocksize+0x125/0x380 [ 173.927896] mount_bdev+0x2b3/0x360 [ 173.931512] ? vfat_mount+0x40/0x40 [ 173.935123] mount_fs+0x92/0x2a0 [ 173.938475] vfs_kern_mount.part.0+0x5b/0x470 [ 173.942965] do_mount+0xe53/0x2a00 [ 173.946484] ? do_raw_spin_unlock+0x164/0x220 [ 173.951062] ? copy_mount_string+0x40/0x40 [ 173.955280] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 173.960285] ? copy_mnt_ns+0xa30/0xa30 [ 173.964175] ? copy_mount_options+0x1fa/0x2f0 [ 173.968661] ? copy_mnt_ns+0xa30/0xa30 [ 173.972530] SyS_mount+0xa8/0x120 [ 173.975981] ? copy_mnt_ns+0xa30/0xa30 [ 173.979871] do_syscall_64+0x1d5/0x640 [ 173.983749] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 173.988919] RIP: 0033:0x44e51a executing program executing program [ 173.992097] RSP: 002b:00007f069ce2db28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 173.999783] RAX: ffffffffffffffda RBX: 00007f069ce2db30 RCX: 000000000044e51a [ 174.007032] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce2db30 [ 174.014295] RBP: 0000000000000005 R08: 00007f069ce2db70 R09: 6f6f6c2f7665642f [ 174.021556] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 [ 174.033058] R13: 0000000000000000 R14: 00007f069ce2db70 R15: 00007f069ce2e6d4 executing program executing program executing program [ 174.178229] FAULT_INJECTION: forcing a failure. [ 174.178229] name failslab, interval 1, probability 0, space 0, times 0 [ 174.197639] FAULT_INJECTION: forcing a failure. [ 174.197639] name failslab, interval 1, probability 0, space 0, times 0 [ 174.201481] FAULT_INJECTION: forcing a failure. [ 174.201481] name failslab, interval 1, probability 0, space 0, times 0 [ 174.211682] CPU: 0 PID: 8497 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 174.227994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.237696] Call Trace: [ 174.240288] dump_stack+0x1b2/0x283 [ 174.243952] should_fail.cold+0x10a/0x154 [ 174.249353] should_failslab+0xd6/0x130 [ 174.252694] FAULT_INJECTION: forcing a failure. [ 174.252694] name failslab, interval 1, probability 0, space 0, times 0 [ 174.253327] kmem_cache_alloc+0x28e/0x3c0 [ 174.253338] alloc_buffer_head+0x20/0x110 [ 174.253349] alloc_page_buffers+0xb3/0x1f0 [ 174.277224] __getblk_slow+0x2d6/0x7a0 [ 174.281120] ? vfat_cmpi+0x3a0/0x3a0 [ 174.284834] __bread_gfp+0x206/0x2e0 [ 174.288549] fat_fill_super+0x2f9/0x31b0 [ 174.292610] ? vsnprintf+0x260/0x1340 [ 174.296407] ? fat_write_end+0x280/0x280 [ 174.300464] ? lock_downgrade+0x740/0x740 [ 174.304619] ? snprintf+0xa5/0xd0 [ 174.308086] ? vsprintf+0x30/0x30 [ 174.311567] ? ns_test_super+0x50/0x50 [ 174.315478] ? set_blocksize+0x125/0x380 [ 174.319535] mount_bdev+0x2b3/0x360 [ 174.323166] ? vfat_mount+0x40/0x40 [ 174.326792] mount_fs+0x92/0x2a0 [ 174.330180] vfs_kern_mount.part.0+0x5b/0x470 [ 174.334673] do_mount+0xe53/0x2a00 [ 174.338207] ? do_raw_spin_unlock+0x164/0x220 [ 174.342695] ? copy_mount_string+0x40/0x40 [ 174.346924] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 174.351931] ? copy_mnt_ns+0xa30/0xa30 [ 174.356189] ? copy_mount_options+0x1fa/0x2f0 [ 174.360678] ? copy_mnt_ns+0xa30/0xa30 [ 174.364657] SyS_mount+0xa8/0x120 [ 174.368096] ? copy_mnt_ns+0xa30/0xa30 [ 174.371975] do_syscall_64+0x1d5/0x640 [ 174.375867] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 174.381052] RIP: 0033:0x44e51a [ 174.384227] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 174.391957] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 174.399228] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 174.406491] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 174.413760] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 174.421025] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 174.428296] CPU: 1 PID: 8507 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 174.436189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.437997] FAT-fs (loop3): bogus number of reserved sectors [ 174.445535] Call Trace: [ 174.445550] dump_stack+0x1b2/0x283 [ 174.445564] should_fail.cold+0x10a/0x154 [ 174.445576] should_failslab+0xd6/0x130 [ 174.445586] kmem_cache_alloc+0x28e/0x3c0 [ 174.445595] alloc_buffer_head+0x20/0x110 [ 174.445603] alloc_page_buffers+0xb3/0x1f0 [ 174.445612] __getblk_slow+0x2d6/0x7a0 [ 174.445625] ? vfat_cmpi+0x3a0/0x3a0 [ 174.445634] __bread_gfp+0x206/0x2e0 [ 174.445643] fat_fill_super+0x2f9/0x31b0 [ 174.445652] ? vsnprintf+0x260/0x1340 [ 174.445664] ? fat_write_end+0x280/0x280 [ 174.445674] ? lock_downgrade+0x740/0x740 [ 174.445683] ? snprintf+0xa5/0xd0 [ 174.445690] ? vsprintf+0x30/0x30 [ 174.445701] ? ns_test_super+0x50/0x50 [ 174.445709] ? set_blocksize+0x125/0x380 [ 174.445722] mount_bdev+0x2b3/0x360 [ 174.451865] FAT-fs (loop3): Can't find a valid FAT filesystem [ 174.454183] ? vfat_mount+0x40/0x40 [ 174.454196] mount_fs+0x92/0x2a0 [ 174.536814] vfs_kern_mount.part.0+0x5b/0x470 [ 174.541292] do_mount+0xe53/0x2a00 [ 174.544828] ? do_raw_spin_unlock+0x164/0x220 [ 174.549305] ? copy_mount_string+0x40/0x40 [ 174.553520] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 174.558515] ? copy_mnt_ns+0xa30/0xa30 [ 174.562382] ? copy_mount_options+0x1fa/0x2f0 [ 174.566858] ? copy_mnt_ns+0xa30/0xa30 [ 174.570731] SyS_mount+0xa8/0x120 [ 174.574179] ? copy_mnt_ns+0xa30/0xa30 [ 174.578134] do_syscall_64+0x1d5/0x640 [ 174.582004] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 174.587174] RIP: 0033:0x44e51a [ 174.590342] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 174.598045] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 174.605297] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 174.612560] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 174.619823] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 executing program [ 174.627194] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 174.643523] CPU: 1 PID: 8498 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 174.651417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.660764] Call Trace: [ 174.663353] dump_stack+0x1b2/0x283 [ 174.666968] should_fail.cold+0x10a/0x154 [ 174.671105] should_failslab+0xd6/0x130 [ 174.675091] kmem_cache_alloc+0x28e/0x3c0 [ 174.679225] alloc_buffer_head+0x20/0x110 [ 174.683355] alloc_page_buffers+0xb3/0x1f0 [ 174.687621] __getblk_slow+0x2d6/0x7a0 [ 174.691501] ? vfat_cmpi+0x3a0/0x3a0 [ 174.695198] __bread_gfp+0x206/0x2e0 [ 174.698898] fat_fill_super+0x2f9/0x31b0 [ 174.702948] ? vsnprintf+0x260/0x1340 [ 174.706731] ? fat_write_end+0x280/0x280 [ 174.710775] ? lock_downgrade+0x740/0x740 [ 174.714903] ? snprintf+0xa5/0xd0 [ 174.718334] ? vsprintf+0x30/0x30 [ 174.721780] ? ns_test_super+0x50/0x50 [ 174.725649] ? set_blocksize+0x125/0x380 [ 174.729693] mount_bdev+0x2b3/0x360 [ 174.733299] ? vfat_mount+0x40/0x40 [ 174.736913] mount_fs+0x92/0x2a0 [ 174.740408] vfs_kern_mount.part.0+0x5b/0x470 [ 174.744884] do_mount+0xe53/0x2a00 [ 174.748410] ? do_raw_spin_unlock+0x164/0x220 [ 174.752895] ? copy_mount_string+0x40/0x40 [ 174.757112] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 174.762110] ? copy_mnt_ns+0xa30/0xa30 [ 174.765986] ? copy_mount_options+0x1fa/0x2f0 [ 174.770462] ? copy_mnt_ns+0xa30/0xa30 [ 174.774355] SyS_mount+0xa8/0x120 [ 174.777807] ? copy_mnt_ns+0xa30/0xa30 [ 174.781674] do_syscall_64+0x1d5/0x640 [ 174.785550] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 174.790737] RIP: 0033:0x44e51a [ 174.793907] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 174.801597] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 174.808846] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 174.816094] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 174.823345] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 174.830595] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 174.837858] CPU: 0 PID: 8516 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 174.845834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.855187] Call Trace: [ 174.857774] dump_stack+0x1b2/0x283 [ 174.861400] should_fail.cold+0x10a/0x154 [ 174.865544] should_failslab+0xd6/0x130 [ 174.869515] kmem_cache_alloc+0x28e/0x3c0 [ 174.873662] alloc_buffer_head+0x20/0x110 [ 174.877803] alloc_page_buffers+0xb3/0x1f0 [ 174.880455] FAT-fs (loop5): bogus number of reserved sectors [ 174.882031] __getblk_slow+0x2d6/0x7a0 [ 174.887809] FAT-fs (loop5): Can't find a valid FAT filesystem [ 174.891680] ? vfat_cmpi+0x3a0/0x3a0 [ 174.891689] __bread_gfp+0x206/0x2e0 [ 174.891697] fat_fill_super+0x2f9/0x31b0 [ 174.891706] ? vsnprintf+0x260/0x1340 [ 174.891717] ? fat_write_end+0x280/0x280 [ 174.891726] ? lock_downgrade+0x740/0x740 [ 174.891733] ? snprintf+0xa5/0xd0 [ 174.891738] ? vsprintf+0x30/0x30 [ 174.891752] ? ns_test_super+0x50/0x50 [ 174.912173] FAT-fs (loop0): bogus number of reserved sectors [ 174.912818] ? set_blocksize+0x125/0x380 [ 174.917266] FAT-fs (loop0): Can't find a valid FAT filesystem [ 174.920990] mount_bdev+0x2b3/0x360 [ 174.920998] ? vfat_mount+0x40/0x40 [ 174.921006] mount_fs+0x92/0x2a0 [ 174.921018] vfs_kern_mount.part.0+0x5b/0x470 [ 174.921033] do_mount+0xe53/0x2a00 [ 174.921043] ? do_raw_spin_unlock+0x164/0x220 [ 174.921053] ? copy_mount_string+0x40/0x40 [ 174.921062] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 174.921070] ? copy_mnt_ns+0xa30/0xa30 [ 174.921079] ? copy_mount_options+0x1fa/0x2f0 [ 174.921087] ? copy_mnt_ns+0xa30/0xa30 [ 174.921097] SyS_mount+0xa8/0x120 [ 174.921104] ? copy_mnt_ns+0xa30/0xa30 [ 174.921114] do_syscall_64+0x1d5/0x640 [ 174.921129] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 174.921136] RIP: 0033:0x44e51a [ 174.921141] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 174.921149] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 174.921154] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 174.921158] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 174.921163] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 174.921169] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 175.057752] FAULT_INJECTION: forcing a failure. [ 175.057752] name failslab, interval 1, probability 0, space 0, times 0 [ 175.068614] FAT-fs (loop2): bogus number of reserved sectors [ 175.073996] CPU: 1 PID: 8529 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 175.076631] FAT-fs (loop2): Can't find a valid FAT filesystem [ 175.082988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.082992] Call Trace: [ 175.083006] dump_stack+0x1b2/0x283 [ 175.083018] should_fail.cold+0x10a/0x154 [ 175.083031] should_failslab+0xd6/0x130 [ 175.083041] kmem_cache_alloc+0x28e/0x3c0 [ 175.083051] alloc_buffer_head+0x20/0x110 [ 175.083059] alloc_page_buffers+0xb3/0x1f0 [ 175.083070] __getblk_slow+0x2d6/0x7a0 [ 175.129104] ? vfat_cmpi+0x3a0/0x3a0 [ 175.132802] __bread_gfp+0x206/0x2e0 [ 175.136536] fat_fill_super+0x2f9/0x31b0 [ 175.140598] ? vsnprintf+0x260/0x1340 [ 175.144397] ? fat_write_end+0x280/0x280 [ 175.148439] ? lock_downgrade+0x740/0x740 [ 175.152566] ? snprintf+0xa5/0xd0 [ 175.155999] ? vsprintf+0x30/0x30 [ 175.159436] ? ns_test_super+0x50/0x50 [ 175.163311] ? set_blocksize+0x125/0x380 [ 175.167353] mount_bdev+0x2b3/0x360 [ 175.170960] ? vfat_mount+0x40/0x40 [ 175.174568] mount_fs+0x92/0x2a0 [ 175.177918] vfs_kern_mount.part.0+0x5b/0x470 [ 175.182398] do_mount+0xe53/0x2a00 [ 175.185923] ? do_raw_spin_unlock+0x164/0x220 [ 175.190419] ? copy_mount_string+0x40/0x40 [ 175.194633] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 175.199628] ? copy_mnt_ns+0xa30/0xa30 [ 175.203716] ? copy_mount_options+0x1fa/0x2f0 [ 175.208200] ? copy_mnt_ns+0xa30/0xa30 [ 175.212072] SyS_mount+0xa8/0x120 [ 175.215519] ? copy_mnt_ns+0xa30/0xa30 [ 175.219395] do_syscall_64+0x1d5/0x640 [ 175.223269] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 175.228447] RIP: 0033:0x44e51a [ 175.231613] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 175.239318] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 175.246567] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 175.253826] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 175.261079] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 175.268339] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 175.284524] FAT-fs (loop4): bogus number of reserved sectors [ 175.290426] FAT-fs (loop4): Can't find a valid FAT filesystem [ 175.301925] FAULT_INJECTION: forcing a failure. [ 175.301925] name failslab, interval 1, probability 0, space 0, times 0 [ 175.317551] CPU: 1 PID: 8515 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 175.325456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.334954] Call Trace: [ 175.337538] dump_stack+0x1b2/0x283 [ 175.341233] should_fail.cold+0x10a/0x154 [ 175.345366] should_failslab+0xd6/0x130 [ 175.349343] kmem_cache_alloc+0x28e/0x3c0 [ 175.353475] alloc_buffer_head+0x20/0x110 [ 175.357607] alloc_page_buffers+0xb3/0x1f0 [ 175.361850] __getblk_slow+0x2d6/0x7a0 [ 175.365723] ? vfat_cmpi+0x3a0/0x3a0 [ 175.369502] __bread_gfp+0x206/0x2e0 [ 175.373198] fat_fill_super+0x2f9/0x31b0 [ 175.377239] ? vsnprintf+0x260/0x1340 [ 175.381037] ? fat_write_end+0x280/0x280 [ 175.385077] ? lock_downgrade+0x740/0x740 [ 175.389205] ? snprintf+0xa5/0xd0 [ 175.392637] ? vsprintf+0x30/0x30 [ 175.396074] ? ns_test_super+0x50/0x50 [ 175.399941] ? set_blocksize+0x125/0x380 [ 175.403988] mount_bdev+0x2b3/0x360 [ 175.407594] ? vfat_mount+0x40/0x40 [ 175.411199] mount_fs+0x92/0x2a0 [ 175.414547] vfs_kern_mount.part.0+0x5b/0x470 [ 175.419024] do_mount+0xe53/0x2a00 [ 175.422559] ? retint_kernel+0x2d/0x2d [ 175.426426] ? copy_mount_string+0x40/0x40 [ 175.430666] ? copy_mount_options+0x18f/0x2f0 [ 175.435141] ? copy_mount_options+0x1fa/0x2f0 [ 175.439616] ? copy_mnt_ns+0xa30/0xa30 [ 175.443501] SyS_mount+0xa8/0x120 [ 175.446934] ? copy_mnt_ns+0xa30/0xa30 [ 175.450808] do_syscall_64+0x1d5/0x640 [ 175.454694] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 175.459878] RIP: 0033:0x44e51a [ 175.463052] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 175.471153] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 175.478412] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 175.485672] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 175.492946] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 175.500221] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 175.519920] FAT-fs (loop1): bogus number of reserved sectors [ 175.526671] FAT-fs (loop1): Can't find a valid FAT filesystem executing program [ 175.606978] FAULT_INJECTION: forcing a failure. [ 175.606978] name failslab, interval 1, probability 0, space 0, times 0 [ 175.618531] CPU: 1 PID: 8538 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 175.626561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.635906] Call Trace: [ 175.638499] dump_stack+0x1b2/0x283 [ 175.642125] should_fail.cold+0x10a/0x154 [ 175.646263] ? mempool_free+0x1d0/0x1d0 [ 175.650219] should_failslab+0xd6/0x130 [ 175.654191] kmem_cache_alloc+0x40/0x3c0 [ 175.658404] ? mempool_free+0x1d0/0x1d0 [ 175.662513] mempool_alloc+0x10e/0x2d0 [ 175.666451] ? remove_element.isra.0+0x1b0/0x1b0 [ 175.671348] ? mark_held_locks+0xa6/0xf0 [ 175.675411] ? __find_get_block+0x817/0xc40 [ 175.679805] bio_alloc_bioset+0x41b/0x830 [ 175.683939] ? bvec_alloc+0x2d0/0x2d0 [ 175.687730] ? __getblk_slow+0x57f/0x7a0 [ 175.691790] submit_bh_wbc+0xf5/0x6f0 [ 175.695587] ? vfat_cmpi+0x3a0/0x3a0 [ 175.699413] __bread_gfp+0x11c/0x2e0 [ 175.703230] fat_fill_super+0x2f9/0x31b0 [ 175.707280] ? vsnprintf+0x260/0x1340 [ 175.711066] ? fat_write_end+0x280/0x280 [ 175.715107] ? lock_downgrade+0x740/0x740 [ 175.719250] ? snprintf+0xa5/0xd0 [ 175.722685] ? vsprintf+0x30/0x30 [ 175.726120] ? ns_test_super+0x50/0x50 [ 175.730004] ? set_blocksize+0x125/0x380 [ 175.734063] mount_bdev+0x2b3/0x360 [ 175.737672] ? vfat_mount+0x40/0x40 [ 175.741276] mount_fs+0x92/0x2a0 [ 175.744627] vfs_kern_mount.part.0+0x5b/0x470 [ 175.749100] do_mount+0xe53/0x2a00 [ 175.752624] ? copy_mount_string+0x40/0x40 [ 175.756837] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 175.761835] ? copy_mnt_ns+0xa30/0xa30 [ 175.765718] ? copy_mount_options+0x1fa/0x2f0 [ 175.770194] ? copy_mnt_ns+0xa30/0xa30 [ 175.774079] SyS_mount+0xa8/0x120 [ 175.777524] ? copy_mnt_ns+0xa30/0xa30 [ 175.781409] do_syscall_64+0x1d5/0x640 [ 175.785295] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 175.790481] RIP: 0033:0x44e51a [ 175.793649] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 executing program executing program [ 175.801336] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 175.808587] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 175.815846] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 175.823184] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 175.830448] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 175.839377] FAT-fs (loop3): bogus number of reserved sectors [ 175.851006] FAT-fs (loop3): Can't find a valid FAT filesystem executing program [ 175.878179] FAULT_INJECTION: forcing a failure. [ 175.878179] name failslab, interval 1, probability 0, space 0, times 0 [ 175.892714] FAULT_INJECTION: forcing a failure. [ 175.892714] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 175.893509] FAULT_INJECTION: forcing a failure. [ 175.893509] name failslab, interval 1, probability 0, space 0, times 0 [ 175.904534] CPU: 1 PID: 8548 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 175.904540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.904542] Call Trace: [ 175.904557] dump_stack+0x1b2/0x283 [ 175.904568] should_fail.cold+0x10a/0x154 [ 175.904576] ? trace_hardirqs_on+0x10/0x10 [ 175.904585] __alloc_pages_nodemask+0x22c/0x2720 [ 175.904599] ? kasan_kmalloc+0xeb/0x160 [ 175.904606] ? kmem_cache_alloc+0x124/0x3c0 [ 175.904614] ? alloc_buffer_head+0x20/0x110 [ 175.904620] ? alloc_page_buffers+0xb3/0x1f0 [ 175.904626] ? __getblk_slow+0x2d6/0x7a0 [ 175.904633] ? __bread_gfp+0x206/0x2e0 [ 175.904641] ? fat_fill_super+0x2f9/0x31b0 [ 175.904648] ? mount_bdev+0x2b3/0x360 [ 175.904653] ? mount_fs+0x92/0x2a0 [ 175.904661] ? vfs_kern_mount.part.0+0x5b/0x470 [ 175.904668] ? do_mount+0xe53/0x2a00 [ 175.904675] ? SyS_mount+0xa8/0x120 [ 175.904682] ? do_syscall_64+0x1d5/0x640 [ 175.904690] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 175.904706] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 175.904714] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 175.904722] ? __add_to_page_cache_locked+0x2ea/0x840 [ 175.904730] cache_grow_begin+0x8f/0x420 [ 175.904742] cache_alloc_refill+0x273/0x350 [ 176.033431] kmem_cache_alloc+0x333/0x3c0 [ 176.037570] alloc_buffer_head+0x20/0x110 [ 176.041707] alloc_page_buffers+0xb3/0x1f0 [ 176.045929] __getblk_slow+0x2d6/0x7a0 [ 176.049801] ? vfat_cmpi+0x3a0/0x3a0 [ 176.053506] __bread_gfp+0x206/0x2e0 [ 176.057201] fat_fill_super+0x2f9/0x31b0 [ 176.061251] ? vsnprintf+0x260/0x1340 [ 176.065032] ? fat_write_end+0x280/0x280 [ 176.069070] ? lock_downgrade+0x740/0x740 [ 176.073207] ? snprintf+0xa5/0xd0 [ 176.076637] ? vsprintf+0x30/0x30 [ 176.080096] ? ns_test_super+0x50/0x50 [ 176.084311] ? set_blocksize+0x125/0x380 [ 176.088361] mount_bdev+0x2b3/0x360 [ 176.091967] ? vfat_mount+0x40/0x40 [ 176.095571] mount_fs+0x92/0x2a0 [ 176.098917] vfs_kern_mount.part.0+0x5b/0x470 [ 176.103403] do_mount+0xe53/0x2a00 [ 176.106929] ? copy_mount_string+0x40/0x40 [ 176.111143] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 176.116136] ? copy_mnt_ns+0xa30/0xa30 [ 176.120001] ? copy_mount_options+0x1fa/0x2f0 [ 176.124472] ? copy_mnt_ns+0xa30/0xa30 [ 176.128338] SyS_mount+0xa8/0x120 [ 176.131770] ? copy_mnt_ns+0xa30/0xa30 [ 176.135636] do_syscall_64+0x1d5/0x640 [ 176.139567] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 176.144757] RIP: 0033:0x44e51a [ 176.147925] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 176.155614] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 176.162861] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 176.170116] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f executing program executing program [ 176.177364] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 176.184615] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 176.212548] CPU: 0 PID: 8549 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 176.220477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.221715] FAULT_INJECTION: forcing a failure. [ 176.221715] name failslab, interval 1, probability 0, space 0, times 0 [ 176.229916] Call Trace: [ 176.229935] dump_stack+0x1b2/0x283 [ 176.229949] should_fail.cold+0x10a/0x154 [ 176.229961] should_failslab+0xd6/0x130 [ 176.229974] kmem_cache_alloc+0x28e/0x3c0 [ 176.242873] FAULT_INJECTION: forcing a failure. [ 176.242873] name failslab, interval 1, probability 0, space 0, times 0 [ 176.244064] alloc_buffer_head+0x20/0x110 [ 176.244074] alloc_page_buffers+0xb3/0x1f0 [ 176.244086] __getblk_slow+0x2d6/0x7a0 [ 176.244101] ? vfat_cmpi+0x3a0/0x3a0 [ 176.244111] __bread_gfp+0x206/0x2e0 [ 176.290702] fat_fill_super+0x2f9/0x31b0 [ 176.294769] ? vsnprintf+0x260/0x1340 [ 176.298554] ? fat_write_end+0x280/0x280 [ 176.302597] ? lock_downgrade+0x740/0x740 [ 176.306732] ? snprintf+0xa5/0xd0 [ 176.310170] ? vsprintf+0x30/0x30 [ 176.313607] ? ns_test_super+0x50/0x50 [ 176.317484] ? set_blocksize+0x125/0x380 [ 176.321528] mount_bdev+0x2b3/0x360 [ 176.325137] ? vfat_mount+0x40/0x40 [ 176.328749] mount_fs+0x92/0x2a0 [ 176.332105] vfs_kern_mount.part.0+0x5b/0x470 [ 176.336599] do_mount+0xe53/0x2a00 [ 176.340129] ? copy_mount_string+0x40/0x40 [ 176.344352] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 176.349346] ? copy_mnt_ns+0xa30/0xa30 [ 176.353213] ? copy_mount_options+0x1fa/0x2f0 [ 176.357695] ? copy_mnt_ns+0xa30/0xa30 [ 176.361572] SyS_mount+0xa8/0x120 [ 176.365098] ? copy_mnt_ns+0xa30/0xa30 [ 176.368967] do_syscall_64+0x1d5/0x640 [ 176.373016] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 176.378184] RIP: 0033:0x44e51a [ 176.381350] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 176.389050] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 176.396308] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 176.403562] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 176.410844] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 176.418099] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 176.425386] CPU: 1 PID: 8563 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 176.433276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.442762] Call Trace: [ 176.445350] dump_stack+0x1b2/0x283 [ 176.448983] should_fail.cold+0x10a/0x154 [ 176.453134] should_failslab+0xd6/0x130 [ 176.457111] kmem_cache_alloc+0x28e/0x3c0 [ 176.461251] alloc_buffer_head+0x20/0x110 [ 176.465416] alloc_page_buffers+0xb3/0x1f0 [ 176.469657] __getblk_slow+0x2d6/0x7a0 [ 176.473553] ? vfat_cmpi+0x3a0/0x3a0 [ 176.477267] __bread_gfp+0x206/0x2e0 [ 176.480981] fat_fill_super+0x2f9/0x31b0 [ 176.485038] ? vsnprintf+0x260/0x1340 [ 176.488827] ? fat_write_end+0x280/0x280 [ 176.492881] ? lock_downgrade+0x740/0x740 [ 176.497031] ? snprintf+0xa5/0xd0 [ 176.500512] ? vsprintf+0x30/0x30 [ 176.503967] ? ns_test_super+0x50/0x50 [ 176.507863] ? set_blocksize+0x125/0x380 [ 176.511927] mount_bdev+0x2b3/0x360 [ 176.515550] ? vfat_mount+0x40/0x40 [ 176.519177] mount_fs+0x92/0x2a0 [ 176.522543] vfs_kern_mount.part.0+0x5b/0x470 [ 176.527034] do_mount+0xe53/0x2a00 [ 176.530569] ? copy_mount_string+0x40/0x40 [ 176.534804] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 176.539809] ? copy_mnt_ns+0xa30/0xa30 [ 176.543686] ? copy_mount_options+0x1fa/0x2f0 [ 176.548173] ? copy_mnt_ns+0xa30/0xa30 [ 176.552064] SyS_mount+0xa8/0x120 [ 176.555514] ? copy_mnt_ns+0xa30/0xa30 [ 176.559403] do_syscall_64+0x1d5/0x640 [ 176.563288] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 176.568463] RIP: 0033:0x44e51a [ 176.571658] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 176.579447] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 176.586710] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 176.593972] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 176.601575] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 176.608838] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 176.616553] CPU: 0 PID: 8554 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 176.624447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.634141] Call Trace: [ 176.636732] dump_stack+0x1b2/0x283 [ 176.640357] should_fail.cold+0x10a/0x154 [ 176.644508] should_failslab+0xd6/0x130 [ 176.648476] kmem_cache_alloc+0x28e/0x3c0 [ 176.652615] alloc_buffer_head+0x20/0x110 [ 176.656749] alloc_page_buffers+0xb3/0x1f0 [ 176.660972] __getblk_slow+0x2d6/0x7a0 [ 176.664945] ? vfat_cmpi+0x3a0/0x3a0 [ 176.668654] __bread_gfp+0x206/0x2e0 [ 176.672372] fat_fill_super+0x2f9/0x31b0 [ 176.676416] ? vsnprintf+0x260/0x1340 [ 176.680210] ? fat_write_end+0x280/0x280 [ 176.684259] ? lock_downgrade+0x740/0x740 [ 176.688392] ? snprintf+0xa5/0xd0 [ 176.691822] ? vsprintf+0x30/0x30 [ 176.695264] ? ns_test_super+0x50/0x50 [ 176.699150] ? set_blocksize+0x125/0x380 [ 176.703209] mount_bdev+0x2b3/0x360 [ 176.706815] ? vfat_mount+0x40/0x40 [ 176.710434] mount_fs+0x92/0x2a0 [ 176.713782] vfs_kern_mount.part.0+0x5b/0x470 [ 176.718259] do_mount+0xe53/0x2a00 [ 176.721781] ? retint_kernel+0x2d/0x2d [ 176.725654] ? copy_mount_string+0x40/0x40 [ 176.729875] ? __sanitizer_cov_trace_pc+0x1d/0x50 [ 176.734715] ? copy_mount_options+0x1fa/0x2f0 [ 176.739193] ? copy_mnt_ns+0xa30/0xa30 [ 176.743240] SyS_mount+0xa8/0x120 [ 176.746671] ? copy_mnt_ns+0xa30/0xa30 [ 176.750537] do_syscall_64+0x1d5/0x640 [ 176.754405] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 176.759575] RIP: 0033:0x44e51a [ 176.762745] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 176.770444] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 176.777706] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 176.784961] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 176.792213] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 176.799464] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 176.806727] CPU: 1 PID: 8564 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 176.812689] FAT-fs (loop5): bogus number of reserved sectors [ 176.814607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.814611] Call Trace: [ 176.814624] dump_stack+0x1b2/0x283 [ 176.814636] should_fail.cold+0x10a/0x154 [ 176.820499] FAT-fs (loop5): Can't find a valid FAT filesystem [ 176.829776] should_failslab+0xd6/0x130 [ 176.829787] kmem_cache_alloc+0x28e/0x3c0 [ 176.829797] alloc_buffer_head+0x20/0x110 [ 176.858334] alloc_page_buffers+0xb3/0x1f0 [ 176.862550] __getblk_slow+0x2d6/0x7a0 [ 176.866438] ? vfat_cmpi+0x3a0/0x3a0 [ 176.870824] __bread_gfp+0x206/0x2e0 [ 176.874531] fat_fill_super+0x2f9/0x31b0 [ 176.878581] ? vsnprintf+0x260/0x1340 [ 176.882364] ? fat_write_end+0x280/0x280 [ 176.886403] ? lock_downgrade+0x740/0x740 [ 176.890544] ? snprintf+0xa5/0xd0 [ 176.893973] ? vsprintf+0x30/0x30 [ 176.897407] ? ns_test_super+0x50/0x50 [ 176.901274] ? set_blocksize+0x125/0x380 [ 176.905314] mount_bdev+0x2b3/0x360 [ 176.908931] ? vfat_mount+0x40/0x40 [ 176.912535] mount_fs+0x92/0x2a0 [ 176.915891] vfs_kern_mount.part.0+0x5b/0x470 [ 176.920364] do_mount+0xe53/0x2a00 [ 176.923886] ? copy_mount_string+0x40/0x40 [ 176.928138] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 176.933133] ? copy_mnt_ns+0xa30/0xa30 [ 176.937001] ? copy_mount_options+0x1fa/0x2f0 [ 176.941475] ? copy_mnt_ns+0xa30/0xa30 [ 176.945342] SyS_mount+0xa8/0x120 [ 176.948773] ? copy_mnt_ns+0xa30/0xa30 [ 176.952656] do_syscall_64+0x1d5/0x640 [ 176.956527] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 176.961696] RIP: 0033:0x44e51a [ 176.964880] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 176.972569] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 176.979817] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 176.987067] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 176.994314] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 177.001561] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 177.014735] FAT-fs (loop0): bogus number of reserved sectors [ 177.020945] FAT-fs (loop0): Can't find a valid FAT filesystem [ 177.042017] FAT-fs (loop2): bogus number of reserved sectors [ 177.043011] FAT-fs (loop1): bogus number of reserved sectors [ 177.048001] FAT-fs (loop2): Can't find a valid FAT filesystem [ 177.055223] FAT-fs (loop1): Can't find a valid FAT filesystem [ 177.068653] FAT-fs (loop4): bogus number of reserved sectors [ 177.074792] FAT-fs (loop4): Can't find a valid FAT filesystem executing program executing program [ 177.221086] FAULT_INJECTION: forcing a failure. [ 177.221086] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 177.224102] FAULT_INJECTION: forcing a failure. [ 177.224102] name failslab, interval 1, probability 0, space 0, times 0 [ 177.232920] CPU: 0 PID: 8582 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 177.232925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.232927] Call Trace: [ 177.232941] dump_stack+0x1b2/0x283 [ 177.232954] should_fail.cold+0x10a/0x154 [ 177.232962] ? trace_hardirqs_on+0x10/0x10 [ 177.232971] __alloc_pages_nodemask+0x22c/0x2720 [ 177.232983] ? kasan_kmalloc+0xeb/0x160 [ 177.232991] ? kmem_cache_alloc+0x124/0x3c0 [ 177.232997] ? alloc_buffer_head+0x20/0x110 [ 177.233003] ? alloc_page_buffers+0xb3/0x1f0 [ 177.233009] ? __getblk_slow+0x2d6/0x7a0 [ 177.233015] ? __bread_gfp+0x206/0x2e0 [ 177.233021] ? fat_fill_super+0x2f9/0x31b0 [ 177.233032] ? mount_bdev+0x2b3/0x360 [ 177.313597] ? mount_fs+0x92/0x2a0 [ 177.317140] ? vfs_kern_mount.part.0+0x5b/0x470 executing program [ 177.321788] ? do_mount+0xe53/0x2a00 [ 177.325482] ? SyS_mount+0xa8/0x120 [ 177.329108] ? do_syscall_64+0x1d5/0x640 [ 177.333150] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 177.337982] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 177.343418] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 177.348439] ? __add_to_page_cache_locked+0x2ea/0x840 [ 177.353649] cache_grow_begin+0x8f/0x420 [ 177.357694] cache_alloc_refill+0x273/0x350 [ 177.362007] kmem_cache_alloc+0x333/0x3c0 [ 177.366138] alloc_buffer_head+0x20/0x110 [ 177.370270] alloc_page_buffers+0xb3/0x1f0 [ 177.374583] __getblk_slow+0x2d6/0x7a0 [ 177.378458] ? vfat_cmpi+0x3a0/0x3a0 [ 177.382257] __bread_gfp+0x206/0x2e0 [ 177.385957] fat_fill_super+0x2f9/0x31b0 [ 177.390004] ? vsnprintf+0x260/0x1340 [ 177.393786] ? fat_write_end+0x280/0x280 [ 177.397831] ? lock_downgrade+0x740/0x740 [ 177.401965] ? snprintf+0xa5/0xd0 [ 177.405399] ? vsprintf+0x30/0x30 [ 177.408834] ? ns_test_super+0x50/0x50 [ 177.412726] ? set_blocksize+0x125/0x380 [ 177.416771] mount_bdev+0x2b3/0x360 [ 177.420380] ? vfat_mount+0x40/0x40 [ 177.423989] mount_fs+0x92/0x2a0 [ 177.427345] vfs_kern_mount.part.0+0x5b/0x470 [ 177.431832] do_mount+0xe53/0x2a00 [ 177.435371] ? do_raw_spin_unlock+0x164/0x220 [ 177.439865] ? copy_mount_string+0x40/0x40 [ 177.444080] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 177.449090] ? copy_mnt_ns+0xa30/0xa30 [ 177.452972] ? copy_mount_options+0x1fa/0x2f0 [ 177.457479] ? copy_mnt_ns+0xa30/0xa30 [ 177.461356] SyS_mount+0xa8/0x120 [ 177.464791] ? copy_mnt_ns+0xa30/0xa30 [ 177.468675] do_syscall_64+0x1d5/0x640 [ 177.472561] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 177.477732] RIP: 0033:0x44e51a [ 177.480905] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 177.488627] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 177.495669] FAULT_INJECTION: forcing a failure. [ 177.495669] name failslab, interval 1, probability 0, space 0, times 0 [ 177.495895] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 177.514347] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 177.521709] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 177.528980] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 177.537163] CPU: 1 PID: 8591 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 177.537433] FAT-fs (loop5): bogus number of reserved sectors [ 177.545052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.545055] Call Trace: [ 177.545068] dump_stack+0x1b2/0x283 [ 177.545080] should_fail.cold+0x10a/0x154 [ 177.545091] should_failslab+0xd6/0x130 [ 177.545101] kmem_cache_alloc+0x28e/0x3c0 [ 177.545112] alloc_buffer_head+0x20/0x110 [ 177.545121] alloc_page_buffers+0xb3/0x1f0 [ 177.550958] FAT-fs (loop5): Can't find a valid FAT filesystem [ 177.560262] __getblk_slow+0x2d6/0x7a0 [ 177.560277] ? vfat_cmpi+0x3a0/0x3a0 [ 177.560286] __bread_gfp+0x206/0x2e0 [ 177.560294] fat_fill_super+0x2f9/0x31b0 [ 177.560303] ? vsnprintf+0x260/0x1340 [ 177.611949] ? fat_write_end+0x280/0x280 [ 177.616001] ? lock_downgrade+0x740/0x740 [ 177.620135] ? snprintf+0xa5/0xd0 [ 177.623578] ? vsprintf+0x30/0x30 [ 177.627017] ? ns_test_super+0x50/0x50 [ 177.630887] ? set_blocksize+0x125/0x380 [ 177.634941] mount_bdev+0x2b3/0x360 [ 177.638565] ? vfat_mount+0x40/0x40 [ 177.642197] mount_fs+0x92/0x2a0 [ 177.645547] vfs_kern_mount.part.0+0x5b/0x470 [ 177.650023] do_mount+0xe53/0x2a00 [ 177.653544] ? do_raw_spin_unlock+0x164/0x220 [ 177.658034] ? copy_mount_string+0x40/0x40 [ 177.662251] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 177.667254] ? copy_mnt_ns+0xa30/0xa30 [ 177.671120] ? copy_mount_options+0x1fa/0x2f0 [ 177.675608] ? copy_mnt_ns+0xa30/0xa30 [ 177.679474] SyS_mount+0xa8/0x120 [ 177.682910] ? copy_mnt_ns+0xa30/0xa30 [ 177.686780] do_syscall_64+0x1d5/0x640 [ 177.690675] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 177.695844] RIP: 0033:0x44e51a [ 177.699013] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 177.706700] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 177.713976] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 177.721286] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 177.728556] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 177.735896] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 177.750689] CPU: 0 PID: 8586 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 177.757647] FAT-fs (loop0): bogus number of reserved sectors [ 177.758592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.765655] FAT-fs (loop0): Can't find a valid FAT filesystem [ 177.773724] Call Trace: [ 177.773737] dump_stack+0x1b2/0x283 [ 177.773749] should_fail.cold+0x10a/0x154 [ 177.773761] should_failslab+0xd6/0x130 [ 177.773770] kmem_cache_alloc+0x28e/0x3c0 [ 177.773781] alloc_buffer_head+0x20/0x110 [ 177.773789] alloc_page_buffers+0xb3/0x1f0 [ 177.773802] __getblk_slow+0x2d6/0x7a0 [ 177.810695] ? vfat_cmpi+0x3a0/0x3a0 [ 177.814452] __bread_gfp+0x206/0x2e0 [ 177.818145] fat_fill_super+0x2f9/0x31b0 [ 177.822187] ? vsnprintf+0x260/0x1340 [ 177.825968] ? fat_write_end+0x280/0x280 [ 177.830025] ? lock_downgrade+0x740/0x740 [ 177.834157] ? snprintf+0xa5/0xd0 [ 177.837610] ? vsprintf+0x30/0x30 [ 177.841241] ? ns_test_super+0x50/0x50 [ 177.845116] ? set_blocksize+0x125/0x380 [ 177.849190] mount_bdev+0x2b3/0x360 [ 177.852804] ? vfat_mount+0x40/0x40 [ 177.856428] mount_fs+0x92/0x2a0 [ 177.859795] vfs_kern_mount.part.0+0x5b/0x470 [ 177.864275] do_mount+0xe53/0x2a00 [ 177.867796] ? copy_mount_string+0x40/0x40 [ 177.872013] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 177.877022] ? copy_mnt_ns+0xa30/0xa30 [ 177.880888] ? copy_mount_options+0x1fa/0x2f0 [ 177.885373] ? copy_mnt_ns+0xa30/0xa30 [ 177.889254] SyS_mount+0xa8/0x120 [ 177.892701] ? copy_mnt_ns+0xa30/0xa30 [ 177.896570] do_syscall_64+0x1d5/0x640 [ 177.900455] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 177.905622] RIP: 0033:0x44e51a [ 177.908789] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 177.916489] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a executing program [ 177.923740] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 177.931002] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 177.938247] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 177.945587] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 177.957263] FAT-fs (loop3): bogus number of reserved sectors [ 177.963372] FAT-fs (loop3): Can't find a valid FAT filesystem executing program executing program executing program [ 178.008017] FAULT_INJECTION: forcing a failure. [ 178.008017] name failslab, interval 1, probability 0, space 0, times 0 [ 178.021170] CPU: 0 PID: 8607 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 178.029072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.038411] Call Trace: [ 178.040984] dump_stack+0x1b2/0x283 [ 178.044602] should_fail.cold+0x10a/0x154 [ 178.048867] should_failslab+0xd6/0x130 [ 178.052830] kmem_cache_alloc+0x28e/0x3c0 [ 178.056993] alloc_buffer_head+0x20/0x110 [ 178.061128] alloc_page_buffers+0xb3/0x1f0 [ 178.065520] __getblk_slow+0x2d6/0x7a0 [ 178.069391] ? vfat_cmpi+0x3a0/0x3a0 [ 178.073084] __bread_gfp+0x206/0x2e0 [ 178.076794] fat_fill_super+0x2f9/0x31b0 [ 178.080935] ? vsnprintf+0x260/0x1340 [ 178.084741] ? fat_write_end+0x280/0x280 [ 178.088798] ? lock_downgrade+0x740/0x740 [ 178.092927] ? snprintf+0xa5/0xd0 [ 178.096359] ? vsprintf+0x30/0x30 [ 178.099792] ? ns_test_super+0x50/0x50 [ 178.103664] ? set_blocksize+0x125/0x380 [ 178.107705] mount_bdev+0x2b3/0x360 [ 178.111312] ? vfat_mount+0x40/0x40 [ 178.114921] mount_fs+0x92/0x2a0 [ 178.118299] vfs_kern_mount.part.0+0x5b/0x470 [ 178.122792] do_mount+0xe53/0x2a00 [ 178.126321] ? do_raw_spin_unlock+0x164/0x220 [ 178.130815] ? copy_mount_string+0x40/0x40 [ 178.135035] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 178.140033] ? copy_mnt_ns+0xa30/0xa30 [ 178.143901] ? copy_mount_options+0x1fa/0x2f0 [ 178.148401] ? copy_mnt_ns+0xa30/0xa30 [ 178.152277] SyS_mount+0xa8/0x120 [ 178.155710] ? copy_mnt_ns+0xa30/0xa30 [ 178.159594] do_syscall_64+0x1d5/0x640 [ 178.163468] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 178.168652] RIP: 0033:0x44e51a [ 178.171839] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 178.179541] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 178.186813] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 178.194090] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 178.201791] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 executing program executing program [ 178.209039] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 178.226130] FAT-fs (loop2): bogus number of reserved sectors [ 178.232410] FAT-fs (loop2): Can't find a valid FAT filesystem executing program executing program executing program [ 178.281880] FAULT_INJECTION: forcing a failure. [ 178.281880] name failslab, interval 1, probability 0, space 0, times 0 [ 178.299053] FAULT_INJECTION: forcing a failure. [ 178.299053] name failslab, interval 1, probability 0, space 0, times 0 [ 178.301354] FAULT_INJECTION: forcing a failure. [ 178.301354] name failslab, interval 1, probability 0, space 0, times 0 [ 178.313165] FAULT_INJECTION: forcing a failure. executing program [ 178.313165] name failslab, interval 1, probability 0, space 0, times 0 [ 178.324069] FAULT_INJECTION: forcing a failure. [ 178.324069] name failslab, interval 1, probability 0, space 0, times 0 [ 178.349315] CPU: 0 PID: 8620 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 178.357225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.366581] Call Trace: [ 178.366971] FAULT_INJECTION: forcing a failure. [ 178.366971] name failslab, interval 1, probability 0, space 0, times 0 [ 178.369166] dump_stack+0x1b2/0x283 [ 178.369182] should_fail.cold+0x10a/0x154 [ 178.388099] should_failslab+0xd6/0x130 [ 178.392081] kmem_cache_alloc+0x28e/0x3c0 [ 178.396243] alloc_buffer_head+0x20/0x110 [ 178.400399] alloc_page_buffers+0xb3/0x1f0 [ 178.404633] __getblk_slow+0x2d6/0x7a0 [ 178.408518] ? vfat_cmpi+0x3a0/0x3a0 [ 178.412229] __bread_gfp+0x206/0x2e0 [ 178.415939] fat_fill_super+0x2f9/0x31b0 [ 178.419984] ? vsnprintf+0x260/0x1340 [ 178.423779] ? fat_write_end+0x280/0x280 [ 178.427839] ? lock_downgrade+0x740/0x740 [ 178.432002] ? snprintf+0xa5/0xd0 [ 178.435441] ? vsprintf+0x30/0x30 [ 178.438896] ? ns_test_super+0x50/0x50 [ 178.442769] ? set_blocksize+0x125/0x380 [ 178.446816] mount_bdev+0x2b3/0x360 [ 178.450438] ? vfat_mount+0x40/0x40 [ 178.454064] mount_fs+0x92/0x2a0 [ 178.457422] vfs_kern_mount.part.0+0x5b/0x470 [ 178.461910] do_mount+0xe53/0x2a00 [ 178.465444] ? copy_mount_string+0x40/0x40 [ 178.469665] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 178.474808] ? copy_mnt_ns+0xa30/0xa30 [ 178.478691] ? copy_mount_options+0x1fa/0x2f0 [ 178.483172] ? copy_mnt_ns+0xa30/0xa30 [ 178.487052] SyS_mount+0xa8/0x120 [ 178.490493] ? copy_mnt_ns+0xa30/0xa30 [ 178.494399] do_syscall_64+0x1d5/0x640 [ 178.498302] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 178.503568] RIP: 0033:0x44e51a [ 178.506771] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 178.514465] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 178.521819] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 178.529179] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 178.536438] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 178.543697] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 178.558921] CPU: 0 PID: 8624 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 178.566846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.576190] Call Trace: [ 178.578772] dump_stack+0x1b2/0x283 [ 178.582402] should_fail.cold+0x10a/0x154 [ 178.586545] should_failslab+0xd6/0x130 [ 178.590510] kmem_cache_alloc+0x28e/0x3c0 [ 178.594645] alloc_buffer_head+0x20/0x110 [ 178.598803] alloc_page_buffers+0xb3/0x1f0 [ 178.603025] __getblk_slow+0x2d6/0x7a0 [ 178.606913] ? vfat_cmpi+0x3a0/0x3a0 [ 178.610619] __bread_gfp+0x206/0x2e0 [ 178.614326] fat_fill_super+0x2f9/0x31b0 [ 178.618379] ? vsnprintf+0x260/0x1340 [ 178.622525] ? fat_write_end+0x280/0x280 [ 178.626580] ? lock_downgrade+0x740/0x740 [ 178.630730] ? snprintf+0xa5/0xd0 [ 178.634201] ? vsprintf+0x30/0x30 [ 178.637659] ? ns_test_super+0x50/0x50 [ 178.641561] ? set_blocksize+0x125/0x380 [ 178.645660] mount_bdev+0x2b3/0x360 [ 178.649285] ? vfat_mount+0x40/0x40 [ 178.652908] mount_fs+0x92/0x2a0 [ 178.656271] vfs_kern_mount.part.0+0x5b/0x470 [ 178.660774] do_mount+0xe53/0x2a00 [ 178.664309] ? copy_mount_string+0x40/0x40 [ 178.668529] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 178.674333] ? copy_mnt_ns+0xa30/0xa30 [ 178.678206] ? copy_mount_options+0x1fa/0x2f0 [ 178.682695] ? copy_mnt_ns+0xa30/0xa30 [ 178.686577] SyS_mount+0xa8/0x120 [ 178.690018] ? copy_mnt_ns+0xa30/0xa30 [ 178.693907] do_syscall_64+0x1d5/0x640 [ 178.697799] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 178.702989] RIP: 0033:0x44e51a [ 178.706170] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 178.713872] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 178.721140] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 178.728406] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 178.735666] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 178.742933] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 178.750793] CPU: 0 PID: 8626 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 178.758689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.768042] Call Trace: [ 178.770617] dump_stack+0x1b2/0x283 [ 178.774229] should_fail.cold+0x10a/0x154 [ 178.778374] should_failslab+0xd6/0x130 [ 178.782373] kmem_cache_alloc+0x28e/0x3c0 [ 178.786527] alloc_buffer_head+0x20/0x110 [ 178.790707] alloc_page_buffers+0xb3/0x1f0 [ 178.794929] __getblk_slow+0x2d6/0x7a0 [ 178.798813] ? vfat_cmpi+0x3a0/0x3a0 [ 178.802528] __bread_gfp+0x206/0x2e0 [ 178.806245] fat_fill_super+0x2f9/0x31b0 [ 178.810303] ? vsnprintf+0x260/0x1340 [ 178.814110] ? fat_write_end+0x280/0x280 [ 178.818163] ? lock_downgrade+0x740/0x740 [ 178.822306] ? snprintf+0xa5/0xd0 [ 178.825750] ? vsprintf+0x30/0x30 [ 178.829198] ? ns_test_super+0x50/0x50 [ 178.833081] ? set_blocksize+0x125/0x380 [ 178.837135] mount_bdev+0x2b3/0x360 [ 178.840749] ? vfat_mount+0x40/0x40 [ 178.844365] mount_fs+0x92/0x2a0 [ 178.847725] vfs_kern_mount.part.0+0x5b/0x470 [ 178.852218] do_mount+0xe53/0x2a00 [ 178.855748] ? retint_kernel+0x2d/0x2d [ 178.859626] ? copy_mount_string+0x40/0x40 [ 178.863867] ? copy_mount_options+0x18f/0x2f0 [ 178.868354] ? copy_mount_options+0x1fa/0x2f0 [ 178.872849] ? copy_mnt_ns+0xa30/0xa30 [ 178.876735] SyS_mount+0xa8/0x120 [ 178.880183] ? copy_mnt_ns+0xa30/0xa30 [ 178.884075] do_syscall_64+0x1d5/0x640 [ 178.887955] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 178.893135] RIP: 0033:0x44e51a [ 178.896307] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 178.904014] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 178.911270] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 178.918530] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 178.925805] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 178.933060] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 178.948183] CPU: 1 PID: 8641 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 178.950486] FAT-fs (loop3): bogus number of reserved sectors [ 178.956096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.956100] Call Trace: [ 178.956114] dump_stack+0x1b2/0x283 [ 178.956128] should_fail.cold+0x10a/0x154 [ 178.956141] should_failslab+0xd6/0x130 [ 178.956151] kmem_cache_alloc+0x28e/0x3c0 [ 178.956163] alloc_buffer_head+0x20/0x110 [ 178.962224] FAT-fs (loop1): bogus number of reserved sectors [ 178.971304] alloc_page_buffers+0xb3/0x1f0 [ 178.971317] __getblk_slow+0x2d6/0x7a0 [ 178.971333] ? vfat_cmpi+0x3a0/0x3a0 [ 178.971342] __bread_gfp+0x206/0x2e0 [ 178.971352] fat_fill_super+0x2f9/0x31b0 [ 178.971361] ? vsnprintf+0x260/0x1340 [ 178.971371] ? fat_write_end+0x280/0x280 [ 178.971380] ? lock_downgrade+0x740/0x740 [ 178.971388] ? snprintf+0xa5/0xd0 [ 178.971394] ? vsprintf+0x30/0x30 [ 178.971404] ? ns_test_super+0x50/0x50 [ 178.971415] ? set_blocksize+0x125/0x380 [ 178.974133] FAT-fs (loop1): Can't find a valid FAT filesystem [ 178.977634] mount_bdev+0x2b3/0x360 [ 178.977644] ? vfat_mount+0x40/0x40 [ 178.977653] mount_fs+0x92/0x2a0 [ 178.977666] vfs_kern_mount.part.0+0x5b/0x470 [ 178.977677] do_mount+0xe53/0x2a00 [ 178.977688] ? do_raw_spin_unlock+0x164/0x220 [ 178.977699] ? copy_mount_string+0x40/0x40 [ 178.984222] FAT-fs (loop3): Can't find a valid FAT filesystem [ 178.985833] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 178.985845] ? copy_mnt_ns+0xa30/0xa30 [ 178.985855] ? copy_mount_options+0x1fa/0x2f0 [ 178.985864] ? copy_mnt_ns+0xa30/0xa30 [ 178.985874] SyS_mount+0xa8/0x120 [ 178.985881] ? copy_mnt_ns+0xa30/0xa30 [ 178.985890] do_syscall_64+0x1d5/0x640 [ 179.008056] FAT-fs (loop4): bogus number of reserved sectors [ 179.011740] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 179.011748] RIP: 0033:0x44e51a [ 179.011753] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 179.011762] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 179.011767] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 179.011772] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 179.011776] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 179.011780] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 179.022176] CPU: 1 PID: 8630 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 179.181931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.191438] Call Trace: [ 179.194017] dump_stack+0x1b2/0x283 [ 179.197635] should_fail.cold+0x10a/0x154 [ 179.201764] should_failslab+0xd6/0x130 [ 179.205716] kmem_cache_alloc+0x28e/0x3c0 [ 179.209842] alloc_buffer_head+0x20/0x110 [ 179.213969] alloc_page_buffers+0xb3/0x1f0 [ 179.218186] __getblk_slow+0x2d6/0x7a0 [ 179.222069] ? vfat_cmpi+0x3a0/0x3a0 [ 179.225774] __bread_gfp+0x206/0x2e0 [ 179.229466] fat_fill_super+0x2f9/0x31b0 [ 179.233506] ? vsnprintf+0x260/0x1340 [ 179.237303] ? fat_write_end+0x280/0x280 [ 179.241356] ? lock_downgrade+0x740/0x740 [ 179.245481] ? snprintf+0xa5/0xd0 [ 179.248910] ? vsprintf+0x30/0x30 [ 179.252355] ? ns_test_super+0x50/0x50 [ 179.256394] ? set_blocksize+0x125/0x380 [ 179.260435] mount_bdev+0x2b3/0x360 [ 179.264039] ? vfat_mount+0x40/0x40 [ 179.267645] mount_fs+0x92/0x2a0 [ 179.271042] vfs_kern_mount.part.0+0x5b/0x470 [ 179.275517] do_mount+0xe53/0x2a00 [ 179.279047] ? do_raw_spin_unlock+0x164/0x220 [ 179.283530] ? copy_mount_string+0x40/0x40 [ 179.287743] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 179.293008] ? copy_mnt_ns+0xa30/0xa30 [ 179.296875] ? copy_mount_options+0x1fa/0x2f0 [ 179.301521] ? copy_mnt_ns+0xa30/0xa30 [ 179.305732] SyS_mount+0xa8/0x120 [ 179.309166] ? copy_mnt_ns+0xa30/0xa30 [ 179.313034] do_syscall_64+0x1d5/0x640 [ 179.316916] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 179.322096] RIP: 0033:0x44e51a [ 179.325266] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 179.332950] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 179.340210] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 179.347470] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 179.354715] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 179.361978] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 179.369549] FAT-fs (loop4): Can't find a valid FAT filesystem [ 179.375007] CPU: 1 PID: 8629 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 179.383317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.392665] Call Trace: [ 179.395269] dump_stack+0x1b2/0x283 [ 179.398900] should_fail.cold+0x10a/0x154 [ 179.399677] FAT-fs (loop5): bogus number of reserved sectors [ 179.403041] should_failslab+0xd6/0x130 [ 179.403052] kmem_cache_alloc+0x28e/0x3c0 [ 179.403062] alloc_buffer_head+0x20/0x110 [ 179.403070] alloc_page_buffers+0xb3/0x1f0 [ 179.403080] __getblk_slow+0x2d6/0x7a0 [ 179.408910] FAT-fs (loop5): Can't find a valid FAT filesystem [ 179.412822] ? vfat_cmpi+0x3a0/0x3a0 [ 179.412833] __bread_gfp+0x206/0x2e0 [ 179.412841] fat_fill_super+0x2f9/0x31b0 [ 179.412850] ? vsnprintf+0x260/0x1340 [ 179.412862] ? fat_write_end+0x280/0x280 [ 179.412871] ? lock_downgrade+0x740/0x740 [ 179.412879] ? snprintf+0xa5/0xd0 [ 179.426165] FAT-fs (loop2): bogus number of reserved sectors [ 179.429262] ? vsprintf+0x30/0x30 [ 179.429275] ? ns_test_super+0x50/0x50 [ 179.429286] ? set_blocksize+0x125/0x380 [ 179.435218] FAT-fs (loop2): Can't find a valid FAT filesystem [ 179.438851] mount_bdev+0x2b3/0x360 [ 179.438860] ? vfat_mount+0x40/0x40 [ 179.438868] mount_fs+0x92/0x2a0 [ 179.438881] vfs_kern_mount.part.0+0x5b/0x470 [ 179.500280] do_mount+0xe53/0x2a00 [ 179.503994] ? do_raw_spin_unlock+0x164/0x220 [ 179.508650] ? copy_mount_string+0x40/0x40 [ 179.512872] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 179.517877] ? copy_mnt_ns+0xa30/0xa30 [ 179.521764] ? copy_mount_options+0x1fa/0x2f0 [ 179.526251] ? copy_mnt_ns+0xa30/0xa30 [ 179.530116] SyS_mount+0xa8/0x120 [ 179.533563] ? copy_mnt_ns+0xa30/0xa30 [ 179.537433] do_syscall_64+0x1d5/0x640 [ 179.541305] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 179.546470] RIP: 0033:0x44e51a [ 179.549634] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 179.557318] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 179.564566] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 179.571827] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 179.579079] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 executing program [ 179.586332] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 179.600882] FAT-fs (loop0): bogus number of reserved sectors [ 179.606769] FAT-fs (loop0): Can't find a valid FAT filesystem executing program [ 179.640802] FAULT_INJECTION: forcing a failure. [ 179.640802] name failslab, interval 1, probability 0, space 0, times 0 [ 179.652570] CPU: 1 PID: 8659 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 179.660452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.670095] Call Trace: [ 179.672673] dump_stack+0x1b2/0x283 [ 179.676282] should_fail.cold+0x10a/0x154 [ 179.680496] should_failslab+0xd6/0x130 [ 179.684452] kmem_cache_alloc+0x28e/0x3c0 [ 179.688580] alloc_buffer_head+0x20/0x110 [ 179.692708] alloc_page_buffers+0xb3/0x1f0 [ 179.696934] __getblk_slow+0x2d6/0x7a0 [ 179.700824] ? vfat_cmpi+0x3a0/0x3a0 [ 179.704524] __bread_gfp+0x206/0x2e0 [ 179.708240] fat_fill_super+0x2f9/0x31b0 [ 179.712368] ? vsnprintf+0x260/0x1340 [ 179.716150] ? fat_write_end+0x280/0x280 [ 179.720197] ? lock_downgrade+0x740/0x740 [ 179.724327] ? snprintf+0xa5/0xd0 [ 179.727758] ? vsprintf+0x30/0x30 [ 179.731194] ? ns_test_super+0x50/0x50 [ 179.735341] ? set_blocksize+0x125/0x380 [ 179.739393] mount_bdev+0x2b3/0x360 [ 179.743018] ? vfat_mount+0x40/0x40 [ 179.746732] mount_fs+0x92/0x2a0 [ 179.750161] vfs_kern_mount.part.0+0x5b/0x470 [ 179.754636] do_mount+0xe53/0x2a00 [ 179.758166] ? retint_kernel+0x2d/0x2d [ 179.762383] ? copy_mount_string+0x40/0x40 [ 179.766608] ? __sanitizer_cov_trace_pc+0x23/0x50 [ 179.771449] ? copy_mount_options+0x1fa/0x2f0 [ 179.775925] ? copy_mnt_ns+0xa30/0xa30 [ 179.779790] SyS_mount+0xa8/0x120 [ 179.783220] ? copy_mnt_ns+0xa30/0xa30 [ 179.787085] do_syscall_64+0x1d5/0x640 [ 179.790961] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 179.796142] RIP: 0033:0x44e51a [ 179.799311] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 179.806995] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 179.814244] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 179.821503] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 179.828752] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 179.836000] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 179.848359] FAT-fs (loop3): bogus number of reserved sectors [ 179.855228] FAT-fs (loop3): Can't find a valid FAT filesystem executing program executing program [ 179.967557] FAULT_INJECTION: forcing a failure. [ 179.967557] name failslab, interval 1, probability 0, space 0, times 0 [ 179.982389] CPU: 1 PID: 8667 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 179.990281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.999615] Call Trace: [ 180.002184] dump_stack+0x1b2/0x283 [ 180.005794] should_fail.cold+0x10a/0x154 [ 180.009922] should_failslab+0xd6/0x130 [ 180.013885] kmem_cache_alloc+0x28e/0x3c0 [ 180.018018] alloc_buffer_head+0x20/0x110 [ 180.022145] alloc_page_buffers+0xb3/0x1f0 [ 180.026359] __getblk_slow+0x2d6/0x7a0 [ 180.030248] ? vfat_cmpi+0x3a0/0x3a0 [ 180.033955] __bread_gfp+0x206/0x2e0 [ 180.037651] fat_fill_super+0x2f9/0x31b0 [ 180.041691] ? vsnprintf+0x260/0x1340 [ 180.045672] ? fat_write_end+0x280/0x280 [ 180.049886] ? lock_downgrade+0x740/0x740 [ 180.054030] ? snprintf+0xa5/0xd0 [ 180.057606] ? vsprintf+0x30/0x30 [ 180.061096] ? ns_test_super+0x50/0x50 [ 180.064964] ? set_blocksize+0x125/0x380 [ 180.069016] mount_bdev+0x2b3/0x360 [ 180.072626] ? vfat_mount+0x40/0x40 [ 180.076233] mount_fs+0x92/0x2a0 [ 180.079591] vfs_kern_mount.part.0+0x5b/0x470 [ 180.084066] do_mount+0xe53/0x2a00 [ 180.087588] ? retint_kernel+0x2d/0x2d [ 180.091452] ? copy_mount_string+0x40/0x40 [ 180.095677] ? copy_mount_options+0x197/0x2f0 [ 180.100162] ? copy_mount_options+0x1fa/0x2f0 [ 180.104642] ? copy_mnt_ns+0xa30/0xa30 [ 180.108512] SyS_mount+0xa8/0x120 [ 180.111944] ? copy_mnt_ns+0xa30/0xa30 [ 180.115813] do_syscall_64+0x1d5/0x640 [ 180.119725] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 180.124898] RIP: 0033:0x44e51a [ 180.128086] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 180.135784] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 180.143032] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 180.150291] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 180.157551] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 executing program executing program executing program executing program [ 180.164802] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 180.176858] FAT-fs (loop4): bogus number of reserved sectors [ 180.185002] FAT-fs (loop4): Can't find a valid FAT filesystem [ 180.193697] FAULT_INJECTION: forcing a failure. [ 180.193697] name failslab, interval 1, probability 0, space 0, times 0 [ 180.207068] CPU: 0 PID: 8673 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 180.214963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.224315] Call Trace: [ 180.226903] dump_stack+0x1b2/0x283 [ 180.230528] should_fail.cold+0x10a/0x154 [ 180.234779] should_failslab+0xd6/0x130 [ 180.238751] kmem_cache_alloc+0x28e/0x3c0 [ 180.242908] alloc_buffer_head+0x20/0x110 [ 180.247052] alloc_page_buffers+0xb3/0x1f0 [ 180.252073] __getblk_slow+0x2d6/0x7a0 [ 180.255962] ? vfat_cmpi+0x3a0/0x3a0 [ 180.259675] __bread_gfp+0x206/0x2e0 [ 180.263387] fat_fill_super+0x2f9/0x31b0 [ 180.267451] ? vsnprintf+0x260/0x1340 [ 180.271255] ? fat_write_end+0x280/0x280 [ 180.275315] ? lock_downgrade+0x740/0x740 [ 180.279465] ? snprintf+0xa5/0xd0 [ 180.282921] ? vsprintf+0x30/0x30 [ 180.286378] ? ns_test_super+0x50/0x50 [ 180.290614] ? set_blocksize+0x125/0x380 [ 180.294707] mount_bdev+0x2b3/0x360 [ 180.298341] ? vfat_mount+0x40/0x40 [ 180.301975] mount_fs+0x92/0x2a0 [ 180.305347] vfs_kern_mount.part.0+0x5b/0x470 [ 180.309844] do_mount+0xe53/0x2a00 [ 180.313392] ? copy_mount_string+0x40/0x40 [ 180.319911] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 180.326334] ? copy_mnt_ns+0xa30/0xa30 [ 180.326535] FAULT_INJECTION: forcing a failure. [ 180.326535] name failslab, interval 1, probability 0, space 0, times 0 [ 180.330229] ? copy_mount_options+0x1fa/0x2f0 [ 180.330236] ? copy_mnt_ns+0xa30/0xa30 [ 180.330245] SyS_mount+0xa8/0x120 [ 180.330252] ? copy_mnt_ns+0xa30/0xa30 [ 180.330261] do_syscall_64+0x1d5/0x640 [ 180.330275] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 180.330282] RIP: 0033:0x44e51a [ 180.330285] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 180.330294] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 180.330299] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 180.330303] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 180.330307] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 180.330311] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 180.381758] FAT-fs (loop1): bogus number of reserved sectors [ 180.387194] FAULT_INJECTION: forcing a failure. [ 180.387194] name failslab, interval 1, probability 0, space 0, times 0 [ 180.397737] FAT-fs (loop1): Can't find a valid FAT filesystem [ 180.424786] CPU: 1 PID: 8686 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 180.445238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.454592] Call Trace: [ 180.457183] dump_stack+0x1b2/0x283 [ 180.460810] should_fail.cold+0x10a/0x154 [ 180.464960] should_failslab+0xd6/0x130 [ 180.468937] kmem_cache_alloc_node+0x54/0x410 [ 180.473440] create_task_io_context+0x2a/0x3c0 [ 180.478371] generic_make_request_checks+0x1350/0x19f0 [ 180.483646] ? mempool_alloc+0x10e/0x2d0 [ 180.487712] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 180.493163] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 180.497554] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 180.502579] ? trace_hardirqs_on+0x10/0x10 [ 180.508458] generic_make_request+0x67/0x850 [ 180.512854] ? remove_element.isra.0+0x1b0/0x1b0 [ 180.517593] ? blk_queue_exit+0x1d0/0x1d0 [ 180.521719] ? mark_held_locks+0xa6/0xf0 [ 180.525761] ? guard_bio_eod+0x15c/0x520 [ 180.529802] submit_bio+0x234/0x390 [ 180.533409] ? generic_make_request+0x850/0x850 [ 180.538079] ? guard_bio_eod+0x183/0x520 [ 180.542120] ? bio_add_page+0x96/0xe0 [ 180.545904] submit_bh_wbc+0x526/0x6f0 [ 180.549772] ? vfat_cmpi+0x3a0/0x3a0 [ 180.553466] __bread_gfp+0x11c/0x2e0 [ 180.557161] fat_fill_super+0x2f9/0x31b0 [ 180.561211] ? vsnprintf+0x260/0x1340 [ 180.565011] ? fat_write_end+0x280/0x280 [ 180.569055] ? lock_downgrade+0x740/0x740 [ 180.573195] ? snprintf+0xa5/0xd0 [ 180.577231] ? vsprintf+0x30/0x30 [ 180.580668] ? ns_test_super+0x50/0x50 [ 180.584541] ? set_blocksize+0x125/0x380 [ 180.588595] mount_bdev+0x2b3/0x360 [ 180.592637] ? vfat_mount+0x40/0x40 [ 180.596330] mount_fs+0x92/0x2a0 [ 180.599682] vfs_kern_mount.part.0+0x5b/0x470 [ 180.604168] do_mount+0xe53/0x2a00 [ 180.607701] ? copy_mount_string+0x40/0x40 [ 180.611916] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 180.616931] ? copy_mnt_ns+0xa30/0xa30 [ 180.620812] ? copy_mount_options+0x1fa/0x2f0 [ 180.625296] ? copy_mnt_ns+0xa30/0xa30 [ 180.629180] SyS_mount+0xa8/0x120 [ 180.632624] ? copy_mnt_ns+0xa30/0xa30 [ 180.636504] do_syscall_64+0x1d5/0x640 [ 180.640387] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 180.645557] RIP: 0033:0x44e51a [ 180.648726] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 180.656412] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 180.663661] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 180.670924] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 180.678179] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 180.685444] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 180.694396] FAT-fs (loop0): bogus number of reserved sectors [ 180.700307] FAT-fs (loop0): Can't find a valid FAT filesystem [ 180.702106] CPU: 0 PID: 8687 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 180.714122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.723473] Call Trace: [ 180.726109] dump_stack+0x1b2/0x283 [ 180.729725] should_fail.cold+0x10a/0x154 [ 180.733857] should_failslab+0xd6/0x130 [ 180.737812] kmem_cache_alloc+0x28e/0x3c0 [ 180.742047] alloc_buffer_head+0x20/0x110 [ 180.746177] alloc_page_buffers+0xb3/0x1f0 [ 180.750406] __getblk_slow+0x2d6/0x7a0 [ 180.754279] ? vfat_cmpi+0x3a0/0x3a0 [ 180.757988] __bread_gfp+0x206/0x2e0 [ 180.761683] fat_fill_super+0x2f9/0x31b0 [ 180.765724] ? vsnprintf+0x260/0x1340 [ 180.769504] ? fat_write_end+0x280/0x280 [ 180.773558] ? lock_downgrade+0x740/0x740 [ 180.777830] ? snprintf+0xa5/0xd0 [ 180.781328] ? vsprintf+0x30/0x30 [ 180.784941] ? ns_test_super+0x50/0x50 [ 180.788814] ? set_blocksize+0x125/0x380 [ 180.792858] mount_bdev+0x2b3/0x360 [ 180.796474] ? vfat_mount+0x40/0x40 [ 180.800087] mount_fs+0x92/0x2a0 [ 180.803447] vfs_kern_mount.part.0+0x5b/0x470 [ 180.807975] do_mount+0xe53/0x2a00 [ 180.811502] ? do_raw_spin_unlock+0x164/0x220 [ 180.815987] ? copy_mount_string+0x40/0x40 [ 180.820205] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 180.825234] ? copy_mnt_ns+0xa30/0xa30 [ 180.829101] ? copy_mount_options+0x1fa/0x2f0 [ 180.833576] ? copy_mnt_ns+0xa30/0xa30 [ 180.837441] SyS_mount+0xa8/0x120 [ 180.840874] ? copy_mnt_ns+0xa30/0xa30 [ 180.844746] do_syscall_64+0x1d5/0x640 [ 180.848623] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 180.853793] RIP: 0033:0x44e51a [ 180.856975] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 180.864661] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a executing program [ 180.871998] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 180.879260] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 180.886703] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 180.893953] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 180.905450] FAULT_INJECTION: forcing a failure. [ 180.905450] name failslab, interval 1, probability 0, space 0, times 0 [ 180.923056] FAT-fs (loop2): bogus number of reserved sectors [ 180.925585] CPU: 1 PID: 8695 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 180.928959] FAT-fs (loop2): Can't find a valid FAT filesystem [ 180.936747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.936751] Call Trace: [ 180.936766] dump_stack+0x1b2/0x283 [ 180.936777] should_fail.cold+0x10a/0x154 [ 180.936788] should_failslab+0xd6/0x130 [ 180.936798] kmem_cache_alloc+0x28e/0x3c0 [ 180.936809] alloc_buffer_head+0x20/0x110 [ 180.936817] alloc_page_buffers+0xb3/0x1f0 [ 180.936827] __getblk_slow+0x2d6/0x7a0 [ 180.936840] ? vfat_cmpi+0x3a0/0x3a0 [ 180.936849] __bread_gfp+0x206/0x2e0 [ 180.936859] fat_fill_super+0x2f9/0x31b0 [ 180.936869] ? vsnprintf+0x260/0x1340 [ 180.936881] ? fat_write_end+0x280/0x280 [ 180.936891] ? lock_downgrade+0x740/0x740 [ 180.936900] ? snprintf+0xa5/0xd0 [ 180.936906] ? vsprintf+0x30/0x30 [ 180.936917] ? ns_test_super+0x50/0x50 [ 180.936926] ? set_blocksize+0x125/0x380 [ 181.020829] mount_bdev+0x2b3/0x360 [ 181.024439] ? vfat_mount+0x40/0x40 [ 181.028046] mount_fs+0x92/0x2a0 [ 181.031395] vfs_kern_mount.part.0+0x5b/0x470 [ 181.035871] do_mount+0xe53/0x2a00 [ 181.039394] ? copy_mount_string+0x40/0x40 [ 181.043609] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 181.048608] ? copy_mnt_ns+0xa30/0xa30 [ 181.052475] ? copy_mount_options+0x1fa/0x2f0 [ 181.056949] ? copy_mnt_ns+0xa30/0xa30 [ 181.060817] SyS_mount+0xa8/0x120 [ 181.064252] ? copy_mnt_ns+0xa30/0xa30 [ 181.068119] do_syscall_64+0x1d5/0x640 [ 181.071991] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 181.077161] RIP: 0033:0x44e51a [ 181.080343] RSP: 002b:00007f069ce2db28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 181.088031] RAX: ffffffffffffffda RBX: 00007f069ce2db30 RCX: 000000000044e51a [ 181.095280] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce2db30 [ 181.102546] RBP: 0000000000000005 R08: 00007f069ce2db70 R09: 6f6f6c2f7665642f [ 181.109811] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 executing program [ 181.117077] R13: 0000000000000000 R14: 00007f069ce2db70 R15: 00007f069ce2e6d4 [ 181.142749] FAULT_INJECTION: forcing a failure. [ 181.142749] name failslab, interval 1, probability 0, space 0, times 0 [ 181.144126] FAT-fs (loop5): bogus number of reserved sectors [ 181.155716] CPU: 1 PID: 8709 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 executing program [ 181.169538] FAT-fs (loop5): Can't find a valid FAT filesystem [ 181.170114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.170118] Call Trace: [ 181.170131] dump_stack+0x1b2/0x283 [ 181.170144] should_fail.cold+0x10a/0x154 [ 181.170155] should_failslab+0xd6/0x130 [ 181.170164] kmem_cache_alloc+0x28e/0x3c0 [ 181.170175] alloc_buffer_head+0x20/0x110 [ 181.170183] alloc_page_buffers+0xb3/0x1f0 [ 181.170193] __getblk_slow+0x2d6/0x7a0 [ 181.170207] ? vfat_cmpi+0x3a0/0x3a0 [ 181.170215] __bread_gfp+0x206/0x2e0 [ 181.170224] fat_fill_super+0x2f9/0x31b0 [ 181.170231] ? vsnprintf+0x260/0x1340 [ 181.170242] ? fat_write_end+0x280/0x280 [ 181.170252] ? lock_downgrade+0x740/0x740 [ 181.170261] ? snprintf+0xa5/0xd0 [ 181.170268] ? vsprintf+0x30/0x30 [ 181.170278] ? ns_test_super+0x50/0x50 [ 181.170288] ? set_blocksize+0x125/0x380 [ 181.170300] mount_bdev+0x2b3/0x360 [ 181.170306] ? vfat_mount+0x40/0x40 [ 181.170314] mount_fs+0x92/0x2a0 [ 181.170326] vfs_kern_mount.part.0+0x5b/0x470 [ 181.170335] do_mount+0xe53/0x2a00 [ 181.170349] ? copy_mount_string+0x40/0x40 [ 181.170360] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 181.283090] ? copy_mnt_ns+0xa30/0xa30 [ 181.286963] ? copy_mount_options+0x1fa/0x2f0 [ 181.291455] ? copy_mnt_ns+0xa30/0xa30 [ 181.295339] SyS_mount+0xa8/0x120 [ 181.298790] ? copy_mnt_ns+0xa30/0xa30 [ 181.302755] do_syscall_64+0x1d5/0x640 [ 181.306638] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 181.311808] RIP: 0033:0x44e51a [ 181.314979] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 181.322682] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 181.329937] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 181.337210] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 181.344462] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 181.351842] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 181.363467] FAT-fs (loop4): bogus number of reserved sectors [ 181.369605] FAT-fs (loop4): Can't find a valid FAT filesystem executing program executing program executing program [ 181.425878] FAULT_INJECTION: forcing a failure. [ 181.425878] name failslab, interval 1, probability 0, space 0, times 0 [ 181.445475] CPU: 0 PID: 8715 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 181.454518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.463999] Call Trace: [ 181.466635] dump_stack+0x1b2/0x283 [ 181.470309] should_fail.cold+0x10a/0x154 [ 181.474449] should_failslab+0xd6/0x130 [ 181.478410] kmem_cache_alloc+0x28e/0x3c0 [ 181.482543] alloc_buffer_head+0x20/0x110 [ 181.486674] alloc_page_buffers+0xb3/0x1f0 [ 181.490898] __getblk_slow+0x2d6/0x7a0 [ 181.494769] ? vfat_cmpi+0x3a0/0x3a0 [ 181.498464] __bread_gfp+0x206/0x2e0 [ 181.502249] fat_fill_super+0x2f9/0x31b0 [ 181.506325] ? vsnprintf+0x260/0x1340 [ 181.510120] ? fat_write_end+0x280/0x280 [ 181.514170] ? lock_downgrade+0x740/0x740 [ 181.518299] ? snprintf+0xa5/0xd0 [ 181.521732] ? vsprintf+0x30/0x30 [ 181.525191] ? ns_test_super+0x50/0x50 [ 181.529066] ? set_blocksize+0x125/0x380 [ 181.533110] mount_bdev+0x2b3/0x360 [ 181.536718] ? vfat_mount+0x40/0x40 [ 181.540324] mount_fs+0x92/0x2a0 [ 181.543802] vfs_kern_mount.part.0+0x5b/0x470 [ 181.548315] do_mount+0xe53/0x2a00 [ 181.551846] ? do_raw_spin_unlock+0x164/0x220 [ 181.556328] ? copy_mount_string+0x40/0x40 [ 181.560558] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 181.565561] ? copy_mnt_ns+0xa30/0xa30 [ 181.569433] ? copy_mount_options+0x1fa/0x2f0 [ 181.573910] ? copy_mnt_ns+0xa30/0xa30 [ 181.577805] SyS_mount+0xa8/0x120 [ 181.581246] ? copy_mnt_ns+0xa30/0xa30 [ 181.585131] do_syscall_64+0x1d5/0x640 [ 181.589020] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 181.594191] RIP: 0033:0x44e51a [ 181.597363] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 181.605066] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 181.612324] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 181.619588] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 181.626838] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 181.634173] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 181.644923] FAT-fs (loop3): bogus number of reserved sectors [ 181.651327] FAT-fs (loop3): Can't find a valid FAT filesystem executing program executing program [ 181.685077] FAULT_INJECTION: forcing a failure. [ 181.685077] name failslab, interval 1, probability 0, space 0, times 0 [ 181.702856] CPU: 1 PID: 8727 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 181.710828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.721362] Call Trace: [ 181.723939] dump_stack+0x1b2/0x283 [ 181.727552] should_fail.cold+0x10a/0x154 [ 181.731711] should_failslab+0xd6/0x130 [ 181.735668] kmem_cache_alloc+0x28e/0x3c0 [ 181.739903] alloc_buffer_head+0x20/0x110 [ 181.744102] alloc_page_buffers+0xb3/0x1f0 [ 181.748353] __getblk_slow+0x2d6/0x7a0 [ 181.752235] ? vfat_cmpi+0x3a0/0x3a0 [ 181.755935] __bread_gfp+0x206/0x2e0 [ 181.759648] fat_fill_super+0x2f9/0x31b0 [ 181.764083] ? vsnprintf+0x260/0x1340 [ 181.768028] ? fat_write_end+0x280/0x280 [ 181.772084] ? lock_downgrade+0x740/0x740 [ 181.776240] ? snprintf+0xa5/0xd0 [ 181.779678] ? vsprintf+0x30/0x30 [ 181.783115] ? ns_test_super+0x50/0x50 [ 181.786988] ? set_blocksize+0x125/0x380 [ 181.791031] mount_bdev+0x2b3/0x360 [ 181.794650] ? vfat_mount+0x40/0x40 [ 181.798269] mount_fs+0x92/0x2a0 [ 181.801633] vfs_kern_mount.part.0+0x5b/0x470 [ 181.806123] do_mount+0xe53/0x2a00 [ 181.809668] ? do_raw_spin_unlock+0x164/0x220 [ 181.814171] ? copy_mount_string+0x40/0x40 [ 181.818393] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 181.823454] ? copy_mnt_ns+0xa30/0xa30 [ 181.827330] ? copy_mount_options+0x1fa/0x2f0 [ 181.831809] ? copy_mnt_ns+0xa30/0xa30 [ 181.835696] SyS_mount+0xa8/0x120 [ 181.839140] ? copy_mnt_ns+0xa30/0xa30 [ 181.843051] do_syscall_64+0x1d5/0x640 [ 181.846953] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 181.852153] RIP: 0033:0x44e51a [ 181.855327] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 181.863035] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 181.870313] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 181.877570] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f executing program executing program executing program executing program [ 181.884831] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 181.892094] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 181.913078] FAT-fs (loop1): bogus number of reserved sectors [ 181.919253] FAT-fs (loop1): Can't find a valid FAT filesystem [ 181.972435] FAULT_INJECTION: forcing a failure. [ 181.972435] name failslab, interval 1, probability 0, space 0, times 0 [ 181.974318] FAULT_INJECTION: forcing a failure. [ 181.974318] name failslab, interval 1, probability 0, space 0, times 0 [ 181.997079] CPU: 1 PID: 8751 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 182.004973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.014313] Call Trace: [ 182.016913] dump_stack+0x1b2/0x283 [ 182.020539] should_fail.cold+0x10a/0x154 [ 182.024682] should_failslab+0xd6/0x130 [ 182.028644] kmem_cache_alloc+0x28e/0x3c0 [ 182.032813] alloc_buffer_head+0x20/0x110 [ 182.036954] alloc_page_buffers+0xb3/0x1f0 [ 182.041194] __getblk_slow+0x2d6/0x7a0 [ 182.045085] ? vfat_cmpi+0x3a0/0x3a0 [ 182.048797] __bread_gfp+0x206/0x2e0 [ 182.052512] fat_fill_super+0x2f9/0x31b0 [ 182.056576] ? vsnprintf+0x260/0x1340 [ 182.060379] ? fat_write_end+0x280/0x280 [ 182.064435] ? lock_downgrade+0x740/0x740 [ 182.068582] ? snprintf+0xa5/0xd0 [ 182.072041] ? vsprintf+0x30/0x30 [ 182.075496] ? ns_test_super+0x50/0x50 [ 182.079382] ? set_blocksize+0x125/0x380 [ 182.083450] mount_bdev+0x2b3/0x360 [ 182.087078] ? vfat_mount+0x40/0x40 [ 182.090706] mount_fs+0x92/0x2a0 [ 182.094069] vfs_kern_mount.part.0+0x5b/0x470 [ 182.098556] do_mount+0xe53/0x2a00 [ 182.102120] ? copy_mount_string+0x40/0x40 [ 182.106378] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 182.111484] ? copy_mnt_ns+0xa30/0xa30 [ 182.115376] ? copy_mount_options+0x1fa/0x2f0 [ 182.119871] ? copy_mnt_ns+0xa30/0xa30 [ 182.123755] SyS_mount+0xa8/0x120 [ 182.127201] ? copy_mnt_ns+0xa30/0xa30 [ 182.131089] do_syscall_64+0x1d5/0x640 [ 182.134984] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 182.140179] RIP: 0033:0x44e51a [ 182.143365] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 182.151072] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 182.158335] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 182.161516] FAULT_INJECTION: forcing a failure. executing program [ 182.161516] name failslab, interval 1, probability 0, space 0, times 0 [ 182.165597] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 182.165605] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 182.191322] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 182.198602] CPU: 0 PID: 8747 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 182.206492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.215843] Call Trace: [ 182.218433] dump_stack+0x1b2/0x283 [ 182.220173] FAT-fs (loop0): bogus number of reserved sectors [ 182.222074] should_fail.cold+0x10a/0x154 [ 182.222088] should_failslab+0xd6/0x130 [ 182.222098] kmem_cache_alloc+0x28e/0x3c0 [ 182.222110] alloc_buffer_head+0x20/0x110 [ 182.228059] FAT-fs (loop0): Can't find a valid FAT filesystem [ 182.232114] alloc_page_buffers+0xb3/0x1f0 [ 182.232127] __getblk_slow+0x2d6/0x7a0 [ 182.232142] ? vfat_cmpi+0x3a0/0x3a0 [ 182.232150] __bread_gfp+0x206/0x2e0 [ 182.232159] fat_fill_super+0x2f9/0x31b0 [ 182.232168] ? vsnprintf+0x260/0x1340 [ 182.232178] ? fat_write_end+0x280/0x280 [ 182.232188] ? lock_downgrade+0x740/0x740 [ 182.281859] ? snprintf+0xa5/0xd0 [ 182.285320] ? vsprintf+0x30/0x30 [ 182.288808] ? ns_test_super+0x50/0x50 [ 182.292683] ? set_blocksize+0x125/0x380 [ 182.296745] mount_bdev+0x2b3/0x360 [ 182.300352] ? vfat_mount+0x40/0x40 [ 182.303961] mount_fs+0x92/0x2a0 [ 182.307555] vfs_kern_mount.part.0+0x5b/0x470 [ 182.312038] do_mount+0xe53/0x2a00 [ 182.315562] ? copy_mount_string+0x40/0x40 [ 182.319867] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 182.324864] ? copy_mnt_ns+0xa30/0xa30 [ 182.328744] ? copy_mount_options+0x1fa/0x2f0 [ 182.333218] ? copy_mnt_ns+0xa30/0xa30 [ 182.337087] SyS_mount+0xa8/0x120 [ 182.340520] ? copy_mnt_ns+0xa30/0xa30 [ 182.344391] do_syscall_64+0x1d5/0x640 [ 182.348277] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 182.353464] RIP: 0033:0x44e51a [ 182.356631] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 182.364317] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 182.371566] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 182.378837] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 182.386094] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 182.393342] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 182.402221] CPU: 0 PID: 8752 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 182.410197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.412973] FAULT_INJECTION: forcing a failure. [ 182.412973] name failslab, interval 1, probability 0, space 0, times 0 [ 182.419543] Call Trace: [ 182.419559] dump_stack+0x1b2/0x283 [ 182.419570] should_fail.cold+0x10a/0x154 [ 182.419583] should_failslab+0xd6/0x130 [ 182.445174] kmem_cache_alloc+0x28e/0x3c0 [ 182.449316] alloc_buffer_head+0x20/0x110 [ 182.453442] alloc_page_buffers+0xb3/0x1f0 [ 182.457659] __getblk_slow+0x2d6/0x7a0 [ 182.461568] ? vfat_cmpi+0x3a0/0x3a0 [ 182.465276] __bread_gfp+0x206/0x2e0 [ 182.468976] fat_fill_super+0x2f9/0x31b0 [ 182.473024] ? vsnprintf+0x260/0x1340 [ 182.476810] ? fat_write_end+0x280/0x280 [ 182.480940] ? lock_downgrade+0x740/0x740 [ 182.485328] ? snprintf+0xa5/0xd0 [ 182.488760] ? vsprintf+0x30/0x30 [ 182.492198] ? ns_test_super+0x50/0x50 [ 182.496064] ? set_blocksize+0x125/0x380 [ 182.500139] mount_bdev+0x2b3/0x360 [ 182.503746] ? vfat_mount+0x40/0x40 [ 182.507354] mount_fs+0x92/0x2a0 [ 182.510716] vfs_kern_mount.part.0+0x5b/0x470 [ 182.515191] do_mount+0xe53/0x2a00 [ 182.518710] ? do_raw_spin_unlock+0x164/0x220 [ 182.523189] ? copy_mount_string+0x40/0x40 [ 182.527406] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 182.532416] ? copy_mnt_ns+0xa30/0xa30 [ 182.536304] ? copy_mount_options+0x1fa/0x2f0 [ 182.540780] ? copy_mnt_ns+0xa30/0xa30 [ 182.544646] SyS_mount+0xa8/0x120 [ 182.548079] ? copy_mnt_ns+0xa30/0xa30 [ 182.551959] do_syscall_64+0x1d5/0x640 [ 182.555828] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 182.561085] RIP: 0033:0x44e51a [ 182.564276] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 executing program [ 182.571998] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 182.579272] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 182.586522] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 182.593771] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 182.601035] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 182.628995] CPU: 0 PID: 8766 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 182.636920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.646274] Call Trace: [ 182.648866] dump_stack+0x1b2/0x283 [ 182.652581] should_fail.cold+0x10a/0x154 [ 182.656730] should_failslab+0xd6/0x130 [ 182.660706] kmem_cache_alloc+0x28e/0x3c0 [ 182.664853] alloc_buffer_head+0x20/0x110 [ 182.668219] FAT-fs (loop2): bogus number of reserved sectors [ 182.668994] alloc_page_buffers+0xb3/0x1f0 [ 182.669006] __getblk_slow+0x2d6/0x7a0 [ 182.669020] ? vfat_cmpi+0x3a0/0x3a0 [ 182.674883] FAT-fs (loop2): Can't find a valid FAT filesystem [ 182.679016] __bread_gfp+0x206/0x2e0 [ 182.679027] fat_fill_super+0x2f9/0x31b0 [ 182.679036] ? vsnprintf+0x260/0x1340 [ 182.679047] ? fat_write_end+0x280/0x280 [ 182.708232] ? lock_downgrade+0x740/0x740 [ 182.712379] ? snprintf+0xa5/0xd0 [ 182.715823] ? vsprintf+0x30/0x30 [ 182.719259] ? ns_test_super+0x50/0x50 [ 182.723126] ? set_blocksize+0x125/0x380 [ 182.727167] mount_bdev+0x2b3/0x360 [ 182.730775] ? vfat_mount+0x40/0x40 [ 182.734382] mount_fs+0x92/0x2a0 [ 182.737730] vfs_kern_mount.part.0+0x5b/0x470 [ 182.742205] do_mount+0xe53/0x2a00 [ 182.745727] ? copy_mount_string+0x40/0x40 [ 182.749942] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 182.754943] ? copy_mnt_ns+0xa30/0xa30 [ 182.758824] ? copy_mount_options+0x1fa/0x2f0 [ 182.763299] ? copy_mnt_ns+0xa30/0xa30 [ 182.767180] SyS_mount+0xa8/0x120 [ 182.770627] ? copy_mnt_ns+0xa30/0xa30 [ 182.774494] do_syscall_64+0x1d5/0x640 [ 182.778370] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 182.783553] RIP: 0033:0x44e51a [ 182.787258] RSP: 002b:00007f069ce0cb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 182.794947] RAX: ffffffffffffffda RBX: 00007f069ce0cb30 RCX: 000000000044e51a [ 182.802211] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce0cb30 [ 182.809460] RBP: 0000000000000005 R08: 00007f069ce0cb70 R09: 6f6f6c2f7665642f [ 182.817491] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 [ 182.824748] R13: 0000000000000000 R14: 00007f069ce0cb70 R15: 00007f069ce0d6d4 [ 182.837431] FAT-fs (loop4): bogus number of reserved sectors [ 182.844189] FAT-fs (loop4): Can't find a valid FAT filesystem [ 182.848587] FAT-fs (loop3): bogus number of reserved sectors [ 182.857447] FAT-fs (loop3): Can't find a valid FAT filesystem [ 182.864174] FAULT_INJECTION: forcing a failure. [ 182.864174] name failslab, interval 1, probability 0, space 0, times 0 [ 182.875628] CPU: 0 PID: 8780 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 182.883637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.893121] Call Trace: [ 182.895712] dump_stack+0x1b2/0x283 [ 182.899344] should_fail.cold+0x10a/0x154 [ 182.903588] should_failslab+0xd6/0x130 [ 182.907554] kmem_cache_alloc+0x28e/0x3c0 [ 182.911824] alloc_buffer_head+0x20/0x110 [ 182.916027] alloc_page_buffers+0xb3/0x1f0 [ 182.920301] __getblk_slow+0x2d6/0x7a0 [ 182.924321] ? vfat_cmpi+0x3a0/0x3a0 [ 182.928037] __bread_gfp+0x206/0x2e0 [ 182.931738] fat_fill_super+0x2f9/0x31b0 [ 182.935886] ? vsnprintf+0x260/0x1340 [ 182.939677] ? fat_write_end+0x280/0x280 [ 182.943745] ? lock_downgrade+0x740/0x740 [ 182.947876] ? snprintf+0xa5/0xd0 [ 182.951321] ? vsprintf+0x30/0x30 [ 182.954760] ? ns_test_super+0x50/0x50 [ 182.958639] ? set_blocksize+0x125/0x380 [ 182.962693] mount_bdev+0x2b3/0x360 [ 182.966310] ? vfat_mount+0x40/0x40 [ 182.969942] mount_fs+0x92/0x2a0 [ 182.973294] vfs_kern_mount.part.0+0x5b/0x470 [ 182.977774] do_mount+0xe53/0x2a00 [ 182.981299] ? copy_mount_string+0x40/0x40 [ 182.985535] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 182.990669] ? copy_mnt_ns+0xa30/0xa30 [ 182.994562] ? copy_mount_options+0x1fa/0x2f0 [ 182.999055] ? copy_mnt_ns+0xa30/0xa30 [ 183.002925] SyS_mount+0xa8/0x120 [ 183.006389] ? copy_mnt_ns+0xa30/0xa30 [ 183.010259] do_syscall_64+0x1d5/0x640 [ 183.014132] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 183.019305] RIP: 0033:0x44e51a [ 183.022496] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 183.030203] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 183.037578] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 183.044843] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 183.052115] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 183.059370] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 183.069971] FAT-fs (loop1): bogus number of reserved sectors executing program [ 183.075969] FAT-fs (loop1): Can't find a valid FAT filesystem executing program executing program executing program executing program executing program [ 183.232779] FAULT_INJECTION: forcing a failure. [ 183.232779] name failslab, interval 1, probability 0, space 0, times 0 [ 183.240272] FAULT_INJECTION: forcing a failure. [ 183.240272] name failslab, interval 1, probability 0, space 0, times 0 [ 183.244180] FAULT_INJECTION: forcing a failure. [ 183.244180] name failslab, interval 1, probability 0, space 0, times 0 [ 183.265862] FAULT_INJECTION: forcing a failure. [ 183.265862] name failslab, interval 1, probability 0, space 0, times 0 [ 183.268895] CPU: 1 PID: 8797 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 183.285469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 183.294820] Call Trace: [ 183.297410] dump_stack+0x1b2/0x283 [ 183.301051] should_fail.cold+0x10a/0x154 [ 183.305199] should_failslab+0xd6/0x130 [ 183.309171] kmem_cache_alloc+0x28e/0x3c0 [ 183.313322] alloc_buffer_head+0x20/0x110 [ 183.317468] alloc_page_buffers+0xb3/0x1f0 [ 183.321703] __getblk_slow+0x2d6/0x7a0 [ 183.325613] ? vfat_cmpi+0x3a0/0x3a0 [ 183.329313] __bread_gfp+0x206/0x2e0 [ 183.333013] fat_fill_super+0x2f9/0x31b0 [ 183.337061] ? vsnprintf+0x260/0x1340 [ 183.340852] ? fat_write_end+0x280/0x280 [ 183.344906] ? lock_downgrade+0x740/0x740 [ 183.349060] ? snprintf+0xa5/0xd0 [ 183.352511] ? vsprintf+0x30/0x30 [ 183.355966] ? ns_test_super+0x50/0x50 [ 183.359854] ? set_blocksize+0x125/0x380 [ 183.363952] mount_bdev+0x2b3/0x360 [ 183.367580] ? vfat_mount+0x40/0x40 [ 183.371217] mount_fs+0x92/0x2a0 [ 183.374587] vfs_kern_mount.part.0+0x5b/0x470 [ 183.379086] do_mount+0xe53/0x2a00 [ 183.382629] ? do_raw_spin_unlock+0x164/0x220 [ 183.387123] ? copy_mount_string+0x40/0x40 [ 183.391358] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 183.396383] ? copy_mnt_ns+0xa30/0xa30 [ 183.400277] ? copy_mount_options+0x1fa/0x2f0 [ 183.404773] ? copy_mnt_ns+0xa30/0xa30 [ 183.408661] SyS_mount+0xa8/0x120 [ 183.412192] ? copy_mnt_ns+0xa30/0xa30 [ 183.416076] do_syscall_64+0x1d5/0x640 [ 183.420016] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 183.425198] RIP: 0033:0x44e51a [ 183.428399] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 183.436103] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 183.443371] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 183.450777] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 183.458096] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 183.465479] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 183.472753] CPU: 0 PID: 8788 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 183.480647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 183.480808] FAULT_INJECTION: forcing a failure. [ 183.480808] name failslab, interval 1, probability 0, space 0, times 0 [ 183.490017] Call Trace: [ 183.490031] dump_stack+0x1b2/0x283 [ 183.490045] should_fail.cold+0x10a/0x154 [ 183.490057] should_failslab+0xd6/0x130 [ 183.490068] kmem_cache_alloc+0x28e/0x3c0 [ 183.490077] alloc_buffer_head+0x20/0x110 [ 183.490084] alloc_page_buffers+0xb3/0x1f0 [ 183.490094] __getblk_slow+0x2d6/0x7a0 [ 183.490107] ? vfat_cmpi+0x3a0/0x3a0 [ 183.535572] __bread_gfp+0x206/0x2e0 [ 183.539285] fat_fill_super+0x2f9/0x31b0 [ 183.543333] ? vsnprintf+0x260/0x1340 [ 183.547129] ? fat_write_end+0x280/0x280 [ 183.551172] ? lock_downgrade+0x740/0x740 [ 183.555311] ? snprintf+0xa5/0xd0 [ 183.558928] ? vsprintf+0x30/0x30 [ 183.562368] ? ns_test_super+0x50/0x50 [ 183.566239] ? set_blocksize+0x125/0x380 [ 183.570287] mount_bdev+0x2b3/0x360 [ 183.573895] ? vfat_mount+0x40/0x40 [ 183.577509] mount_fs+0x92/0x2a0 [ 183.580866] vfs_kern_mount.part.0+0x5b/0x470 [ 183.585346] do_mount+0xe53/0x2a00 [ 183.588875] ? copy_mount_string+0x40/0x40 [ 183.593103] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 183.598105] ? copy_mnt_ns+0xa30/0xa30 [ 183.601973] ? copy_mount_options+0x1fa/0x2f0 [ 183.606452] ? copy_mnt_ns+0xa30/0xa30 [ 183.610357] SyS_mount+0xa8/0x120 [ 183.613794] ? copy_mnt_ns+0xa30/0xa30 [ 183.617673] do_syscall_64+0x1d5/0x640 [ 183.621571] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 183.626754] RIP: 0033:0x44e51a [ 183.629930] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 183.637624] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 183.644877] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 183.652128] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 183.659395] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 183.666667] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 183.673947] CPU: 1 PID: 8813 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 183.681830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 183.691181] Call Trace: [ 183.693768] dump_stack+0x1b2/0x283 [ 183.697399] should_fail.cold+0x10a/0x154 [ 183.701164] FAULT_INJECTION: forcing a failure. [ 183.701164] name failslab, interval 1, probability 0, space 0, times 0 [ 183.701552] should_failslab+0xd6/0x130 [ 183.716813] kmem_cache_alloc+0x28e/0x3c0 [ 183.720974] alloc_buffer_head+0x20/0x110 [ 183.725139] alloc_page_buffers+0xb3/0x1f0 [ 183.729372] __getblk_slow+0x2d6/0x7a0 [ 183.733261] ? vfat_cmpi+0x3a0/0x3a0 [ 183.736967] __bread_gfp+0x206/0x2e0 [ 183.740671] fat_fill_super+0x2f9/0x31b0 [ 183.744725] ? vsnprintf+0x260/0x1340 [ 183.748520] ? fat_write_end+0x280/0x280 [ 183.752573] ? lock_downgrade+0x740/0x740 [ 183.756720] ? snprintf+0xa5/0xd0 [ 183.760168] ? vsprintf+0x30/0x30 [ 183.763615] ? ns_test_super+0x50/0x50 [ 183.767496] ? set_blocksize+0x125/0x380 [ 183.771556] mount_bdev+0x2b3/0x360 [ 183.775173] ? vfat_mount+0x40/0x40 [ 183.778788] mount_fs+0x92/0x2a0 [ 183.782149] vfs_kern_mount.part.0+0x5b/0x470 [ 183.786641] do_mount+0xe53/0x2a00 [ 183.790181] ? copy_mount_string+0x40/0x40 [ 183.794415] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 183.799434] ? copy_mnt_ns+0xa30/0xa30 [ 183.803313] ? copy_mount_options+0x1fa/0x2f0 [ 183.807791] ? copy_mnt_ns+0xa30/0xa30 [ 183.811676] SyS_mount+0xa8/0x120 [ 183.815131] ? copy_mnt_ns+0xa30/0xa30 [ 183.819014] do_syscall_64+0x1d5/0x640 [ 183.822900] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 183.828076] RIP: 0033:0x44e51a [ 183.831253] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 183.838948] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 183.846235] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 183.853514] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 183.860771] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 183.868036] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 183.875305] CPU: 0 PID: 8809 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 183.883186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 183.892521] Call Trace: [ 183.895093] dump_stack+0x1b2/0x283 [ 183.898703] should_fail.cold+0x10a/0x154 [ 183.902852] should_failslab+0xd6/0x130 [ 183.906809] kmem_cache_alloc+0x28e/0x3c0 [ 183.910941] alloc_buffer_head+0x20/0x110 [ 183.915070] alloc_page_buffers+0xb3/0x1f0 [ 183.919286] __getblk_slow+0x2d6/0x7a0 [ 183.923157] ? vfat_cmpi+0x3a0/0x3a0 [ 183.926850] __bread_gfp+0x206/0x2e0 [ 183.930551] fat_fill_super+0x2f9/0x31b0 [ 183.934593] ? vsnprintf+0x260/0x1340 [ 183.938385] ? fat_write_end+0x280/0x280 [ 183.942864] ? lock_downgrade+0x740/0x740 [ 183.947013] ? snprintf+0xa5/0xd0 [ 183.950449] ? vsprintf+0x30/0x30 [ 183.953892] ? ns_test_super+0x50/0x50 [ 183.957772] ? set_blocksize+0x125/0x380 [ 183.961827] mount_bdev+0x2b3/0x360 [ 183.965438] ? vfat_mount+0x40/0x40 [ 183.969064] mount_fs+0x92/0x2a0 [ 183.972439] vfs_kern_mount.part.0+0x5b/0x470 [ 183.976931] do_mount+0xe53/0x2a00 [ 183.980457] ? copy_mount_string+0x40/0x40 [ 183.984672] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 183.989676] ? copy_mnt_ns+0xa30/0xa30 [ 183.993550] ? copy_mount_options+0x1fa/0x2f0 [ 183.998047] ? copy_mnt_ns+0xa30/0xa30 [ 184.000658] FAT-fs (loop0): bogus number of reserved sectors [ 184.001929] SyS_mount+0xa8/0x120 [ 184.001937] ? copy_mnt_ns+0xa30/0xa30 [ 184.001947] do_syscall_64+0x1d5/0x640 [ 184.001961] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 184.008890] FAT-fs (loop0): Can't find a valid FAT filesystem [ 184.011175] RIP: 0033:0x44e51a [ 184.011180] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 184.011189] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 184.011194] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 184.011197] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 184.011201] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 184.011204] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 184.024577] CPU: 0 PID: 8796 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 184.085338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 184.094681] Call Trace: [ 184.097254] dump_stack+0x1b2/0x283 [ 184.101598] should_fail.cold+0x10a/0x154 [ 184.105727] should_failslab+0xd6/0x130 [ 184.109681] kmem_cache_alloc+0x28e/0x3c0 [ 184.113898] alloc_buffer_head+0x20/0x110 [ 184.118763] alloc_page_buffers+0xb3/0x1f0 [ 184.123153] __getblk_slow+0x2d6/0x7a0 [ 184.127047] ? vfat_cmpi+0x3a0/0x3a0 [ 184.130742] __bread_gfp+0x206/0x2e0 [ 184.134437] fat_fill_super+0x2f9/0x31b0 [ 184.138480] ? vsnprintf+0x260/0x1340 [ 184.142263] ? fat_write_end+0x280/0x280 [ 184.146304] ? lock_downgrade+0x740/0x740 [ 184.150447] ? snprintf+0xa5/0xd0 [ 184.153895] ? vsprintf+0x30/0x30 [ 184.157361] ? ns_test_super+0x50/0x50 [ 184.161332] ? set_blocksize+0x125/0x380 [ 184.165397] mount_bdev+0x2b3/0x360 [ 184.169042] ? vfat_mount+0x40/0x40 [ 184.172660] mount_fs+0x92/0x2a0 [ 184.176012] vfs_kern_mount.part.0+0x5b/0x470 [ 184.180495] do_mount+0xe53/0x2a00 [ 184.184020] ? retint_kernel+0x2d/0x2d [ 184.187886] ? copy_mount_string+0x40/0x40 [ 184.192101] ? copy_mount_options+0x18b/0x2f0 [ 184.196576] ? copy_mount_options+0x1fa/0x2f0 [ 184.201050] ? copy_mnt_ns+0xa30/0xa30 [ 184.204916] SyS_mount+0xa8/0x120 [ 184.208364] ? copy_mnt_ns+0xa30/0xa30 [ 184.212234] do_syscall_64+0x1d5/0x640 [ 184.216103] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 184.221287] RIP: 0033:0x44e51a [ 184.224469] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 184.232518] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 184.239766] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 184.247015] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 184.254265] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 184.261515] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 184.268953] CPU: 1 PID: 8795 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 184.276879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 184.286234] Call Trace: [ 184.288827] dump_stack+0x1b2/0x283 [ 184.292461] should_fail.cold+0x10a/0x154 [ 184.294205] FAT-fs (loop3): bogus number of reserved sectors [ 184.296639] should_failslab+0xd6/0x130 [ 184.296649] kmem_cache_alloc+0x28e/0x3c0 [ 184.296659] alloc_buffer_head+0x20/0x110 [ 184.302545] FAT-fs (loop3): Can't find a valid FAT filesystem [ 184.306399] alloc_page_buffers+0xb3/0x1f0 [ 184.306411] __getblk_slow+0x2d6/0x7a0 [ 184.306426] ? vfat_cmpi+0x3a0/0x3a0 [ 184.318403] FAT-fs (loop5): bogus number of reserved sectors [ 184.320646] __bread_gfp+0x206/0x2e0 [ 184.320657] fat_fill_super+0x2f9/0x31b0 [ 184.320666] ? vsnprintf+0x260/0x1340 [ 184.320677] ? fat_write_end+0x280/0x280 [ 184.320686] ? lock_downgrade+0x740/0x740 [ 184.320694] ? snprintf+0xa5/0xd0 [ 184.320700] ? vsprintf+0x30/0x30 [ 184.320710] ? ns_test_super+0x50/0x50 [ 184.320717] ? set_blocksize+0x125/0x380 [ 184.320727] mount_bdev+0x2b3/0x360 [ 184.328417] FAT-fs (loop5): Can't find a valid FAT filesystem [ 184.328858] ? vfat_mount+0x40/0x40 [ 184.337803] FAT-fs (loop2): bogus number of reserved sectors [ 184.338333] mount_fs+0x92/0x2a0 [ 184.338346] vfs_kern_mount.part.0+0x5b/0x470 [ 184.343294] FAT-fs (loop2): Can't find a valid FAT filesystem [ 184.346109] do_mount+0xe53/0x2a00 [ 184.346121] ? do_raw_spin_unlock+0x164/0x220 [ 184.346132] ? copy_mount_string+0x40/0x40 [ 184.359404] FAT-fs (loop4): bogus number of reserved sectors [ 184.361652] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 184.361663] ? copy_mnt_ns+0xa30/0xa30 [ 184.361671] ? copy_mount_options+0x1fa/0x2f0 [ 184.361678] ? copy_mnt_ns+0xa30/0xa30 [ 184.361687] SyS_mount+0xa8/0x120 [ 184.361693] ? copy_mnt_ns+0xa30/0xa30 [ 184.361703] do_syscall_64+0x1d5/0x640 [ 184.361717] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 184.361723] RIP: 0033:0x44e51a [ 184.361727] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 184.361735] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 184.361740] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 184.361745] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 184.361749] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 184.361754] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 184.371924] FAT-fs (loop1): bogus number of reserved sectors [ 184.379506] FAT-fs (loop4): Can't find a valid FAT filesystem [ 184.383775] FAT-fs (loop1): Can't find a valid FAT filesystem executing program executing program [ 184.713798] FAULT_INJECTION: forcing a failure. [ 184.713798] name failslab, interval 1, probability 0, space 0, times 0 [ 184.726406] FAULT_INJECTION: forcing a failure. [ 184.726406] name failslab, interval 1, probability 0, space 0, times 0 [ 184.739003] CPU: 1 PID: 8830 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 184.746900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 184.757382] Call Trace: [ 184.759973] dump_stack+0x1b2/0x283 [ 184.763603] should_fail.cold+0x10a/0x154 [ 184.767751] should_failslab+0xd6/0x130 [ 184.771740] kmem_cache_alloc+0x28e/0x3c0 [ 184.775918] alloc_buffer_head+0x20/0x110 [ 184.780067] alloc_page_buffers+0xb3/0x1f0 [ 184.784303] __getblk_slow+0x2d6/0x7a0 [ 184.788185] ? vfat_cmpi+0x3a0/0x3a0 [ 184.791923] __bread_gfp+0x206/0x2e0 [ 184.795638] fat_fill_super+0x2f9/0x31b0 [ 184.799704] ? vsnprintf+0x260/0x1340 [ 184.803533] ? fat_write_end+0x280/0x280 [ 184.807587] ? lock_downgrade+0x740/0x740 executing program [ 184.811808] ? snprintf+0xa5/0xd0 [ 184.815241] ? vsprintf+0x30/0x30 [ 184.818854] ? ns_test_super+0x50/0x50 [ 184.822724] ? set_blocksize+0x125/0x380 [ 184.826788] mount_bdev+0x2b3/0x360 [ 184.830397] ? vfat_mount+0x40/0x40 [ 184.834007] mount_fs+0x92/0x2a0 [ 184.837361] vfs_kern_mount.part.0+0x5b/0x470 [ 184.841844] do_mount+0xe53/0x2a00 [ 184.845382] ? copy_mount_string+0x40/0x40 [ 184.845414] FAULT_INJECTION: forcing a failure. [ 184.845414] name failslab, interval 1, probability 0, space 0, times 0 [ 184.849625] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 184.865787] ? copy_mnt_ns+0xa30/0xa30 [ 184.869656] ? copy_mount_options+0x1fa/0x2f0 [ 184.874171] ? copy_mnt_ns+0xa30/0xa30 [ 184.878051] SyS_mount+0xa8/0x120 [ 184.881534] ? copy_mnt_ns+0xa30/0xa30 [ 184.885404] do_syscall_64+0x1d5/0x640 [ 184.889303] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 184.894491] RIP: 0033:0x44e51a [ 184.897665] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 184.905355] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 184.912606] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 184.919860] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 184.927117] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 184.934365] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 184.941627] CPU: 0 PID: 8829 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 184.949518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 184.954266] FAT-fs (loop3): bogus number of reserved sectors [ 184.958861] Call Trace: [ 184.958876] dump_stack+0x1b2/0x283 [ 184.958889] should_fail.cold+0x10a/0x154 [ 184.958900] should_failslab+0xd6/0x130 [ 184.964762] FAT-fs (loop3): Can't find a valid FAT filesystem [ 184.967245] kmem_cache_alloc+0x28e/0x3c0 [ 184.967257] alloc_buffer_head+0x20/0x110 [ 184.967265] alloc_page_buffers+0xb3/0x1f0 [ 184.967275] __getblk_slow+0x2d6/0x7a0 [ 184.978464] FAULT_INJECTION: forcing a failure. [ 184.978464] name failslab, interval 1, probability 0, space 0, times 0 [ 184.979404] ? vfat_cmpi+0x3a0/0x3a0 [ 185.016450] __bread_gfp+0x206/0x2e0 [ 185.020161] fat_fill_super+0x2f9/0x31b0 [ 185.024206] ? vsnprintf+0x260/0x1340 [ 185.027987] ? fat_write_end+0x280/0x280 [ 185.032029] ? lock_downgrade+0x740/0x740 [ 185.036157] ? snprintf+0xa5/0xd0 [ 185.039609] ? vsprintf+0x30/0x30 [ 185.043101] ? ns_test_super+0x50/0x50 [ 185.046968] ? set_blocksize+0x125/0x380 [ 185.051028] mount_bdev+0x2b3/0x360 [ 185.054632] ? vfat_mount+0x40/0x40 [ 185.058239] mount_fs+0x92/0x2a0 [ 185.061604] vfs_kern_mount.part.0+0x5b/0x470 [ 185.066080] do_mount+0xe53/0x2a00 [ 185.069605] ? copy_mount_string+0x40/0x40 [ 185.073839] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 185.078950] ? copy_mnt_ns+0xa30/0xa30 [ 185.082824] ? copy_mount_options+0x1fa/0x2f0 [ 185.087447] ? copy_mnt_ns+0xa30/0xa30 [ 185.091319] SyS_mount+0xa8/0x120 [ 185.094772] ? copy_mnt_ns+0xa30/0xa30 [ 185.098643] do_syscall_64+0x1d5/0x640 [ 185.102515] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 185.107687] RIP: 0033:0x44e51a [ 185.110856] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 185.118561] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 185.125815] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 185.133063] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 185.140335] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 185.147593] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 185.154859] CPU: 1 PID: 8849 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 executing program [ 185.162741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 185.172092] Call Trace: [ 185.174684] dump_stack+0x1b2/0x283 [ 185.178316] should_fail.cold+0x10a/0x154 [ 185.182466] should_failslab+0xd6/0x130 [ 185.186443] kmem_cache_alloc+0x28e/0x3c0 [ 185.190586] alloc_buffer_head+0x20/0x110 [ 185.194755] alloc_page_buffers+0xb3/0x1f0 [ 185.198984] __getblk_slow+0x2d6/0x7a0 [ 185.202962] ? vfat_cmpi+0x3a0/0x3a0 [ 185.206677] __bread_gfp+0x206/0x2e0 [ 185.210406] fat_fill_super+0x2f9/0x31b0 [ 185.214467] ? vsnprintf+0x260/0x1340 [ 185.218271] ? fat_write_end+0x280/0x280 [ 185.222332] ? lock_downgrade+0x740/0x740 [ 185.226474] ? snprintf+0xa5/0xd0 [ 185.229919] ? vsprintf+0x30/0x30 [ 185.233377] ? ns_test_super+0x50/0x50 [ 185.237360] ? set_blocksize+0x125/0x380 [ 185.241413] mount_bdev+0x2b3/0x360 [ 185.245029] ? vfat_mount+0x40/0x40 [ 185.248648] mount_fs+0x92/0x2a0 [ 185.252014] vfs_kern_mount.part.0+0x5b/0x470 [ 185.256525] do_mount+0xe53/0x2a00 [ 185.260066] ? do_raw_spin_unlock+0x164/0x220 [ 185.264563] ? copy_mount_string+0x40/0x40 [ 185.268791] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 185.273798] ? copy_mnt_ns+0xa30/0xa30 [ 185.277693] ? copy_mount_options+0x1fa/0x2f0 [ 185.282186] ? copy_mnt_ns+0xa30/0xa30 [ 185.286074] SyS_mount+0xa8/0x120 [ 185.289515] ? copy_mnt_ns+0xa30/0xa30 [ 185.293393] do_syscall_64+0x1d5/0x640 [ 185.297283] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 185.302462] RIP: 0033:0x44e51a [ 185.305637] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 185.313445] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 185.320707] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 185.327992] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 185.335254] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 185.342515] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 185.349780] CPU: 0 PID: 8844 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 185.357683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 185.367016] Call Trace: [ 185.369588] dump_stack+0x1b2/0x283 [ 185.373197] should_fail.cold+0x10a/0x154 [ 185.377326] should_failslab+0xd6/0x130 [ 185.381283] kmem_cache_alloc_node+0x54/0x410 [ 185.385762] create_task_io_context+0x2a/0x3c0 [ 185.390339] generic_make_request_checks+0x1350/0x19f0 [ 185.395595] ? mempool_alloc+0x10e/0x2d0 [ 185.399657] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 185.405101] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 185.409488] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 185.414498] ? trace_hardirqs_on+0x10/0x10 [ 185.418712] generic_make_request+0x67/0x850 [ 185.423188] ? remove_element.isra.0+0x1b0/0x1b0 [ 185.427923] ? blk_queue_exit+0x1d0/0x1d0 [ 185.432049] ? mark_held_locks+0xa6/0xf0 [ 185.436108] ? guard_bio_eod+0x15c/0x520 [ 185.440158] submit_bio+0x234/0x390 [ 185.443766] ? generic_make_request+0x850/0x850 [ 185.448415] ? guard_bio_eod+0x183/0x520 [ 185.452555] ? bio_add_page+0x96/0xe0 [ 185.456385] submit_bh_wbc+0x526/0x6f0 [ 185.460272] ? vfat_cmpi+0x3a0/0x3a0 [ 185.464065] __bread_gfp+0x11c/0x2e0 [ 185.467765] fat_fill_super+0x2f9/0x31b0 [ 185.471822] ? vsnprintf+0x260/0x1340 [ 185.475612] ? fat_write_end+0x280/0x280 [ 185.479677] ? lock_downgrade+0x740/0x740 [ 185.483814] ? snprintf+0xa5/0xd0 [ 185.487249] ? vsprintf+0x30/0x30 [ 185.490686] ? ns_test_super+0x50/0x50 [ 185.494552] ? set_blocksize+0x125/0x380 [ 185.498592] mount_bdev+0x2b3/0x360 [ 185.502290] ? vfat_mount+0x40/0x40 [ 185.505912] mount_fs+0x92/0x2a0 [ 185.509260] vfs_kern_mount.part.0+0x5b/0x470 [ 185.513735] do_mount+0xe53/0x2a00 [ 185.517275] ? copy_mount_string+0x40/0x40 [ 185.521489] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 185.526502] ? copy_mnt_ns+0xa30/0xa30 [ 185.530369] ? copy_mount_options+0x1fa/0x2f0 [ 185.534844] ? copy_mnt_ns+0xa30/0xa30 [ 185.538712] SyS_mount+0xa8/0x120 [ 185.542144] ? copy_mnt_ns+0xa30/0xa30 [ 185.546100] do_syscall_64+0x1d5/0x640 [ 185.549976] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 185.555162] RIP: 0033:0x44e51a [ 185.558332] RSP: 002b:00007f069ce2db28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 executing program executing program [ 185.566021] RAX: ffffffffffffffda RBX: 00007f069ce2db30 RCX: 000000000044e51a [ 185.573271] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce2db30 [ 185.580519] RBP: 0000000000000005 R08: 00007f069ce2db70 R09: 6f6f6c2f7665642f [ 185.587768] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 [ 185.595119] R13: 0000000000000000 R14: 00007f069ce2db70 R15: 00007f069ce2e6d4 [ 185.632209] FAULT_INJECTION: forcing a failure. [ 185.632209] name failslab, interval 1, probability 0, space 0, times 0 [ 185.653193] FAULT_INJECTION: forcing a failure. [ 185.653193] name failslab, interval 1, probability 0, space 0, times 0 [ 185.665767] FAT-fs (loop4): bogus number of reserved sectors [ 185.670072] FAT-fs (loop1): bogus number of reserved sectors [ 185.673975] FAT-fs (loop4): Can't find a valid FAT filesystem [ 185.677397] FAT-fs (loop1): Can't find a valid FAT filesystem [ 185.681973] CPU: 1 PID: 8865 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 185.685476] FAT-fs (loop0): bogus number of reserved sectors [ 185.689210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 185.689214] Call Trace: [ 185.689227] dump_stack+0x1b2/0x283 [ 185.689241] should_fail.cold+0x10a/0x154 [ 185.689253] ? mempool_free+0x1d0/0x1d0 [ 185.689259] should_failslab+0xd6/0x130 [ 185.689270] kmem_cache_alloc+0x40/0x3c0 [ 185.702267] FAT-fs (loop0): Can't find a valid FAT filesystem [ 185.702982] ? mempool_free+0x1d0/0x1d0 [ 185.744417] mempool_alloc+0x10e/0x2d0 [ 185.748293] ? remove_element.isra.0+0x1b0/0x1b0 [ 185.753034] ? mark_held_locks+0xa6/0xf0 [ 185.757086] ? __find_get_block+0x817/0xc40 [ 185.761442] bio_alloc_bioset+0x41b/0x830 [ 185.765700] ? bvec_alloc+0x2d0/0x2d0 [ 185.769483] ? __getblk_slow+0x57f/0x7a0 [ 185.773534] submit_bh_wbc+0xf5/0x6f0 [ 185.777337] ? vfat_cmpi+0x3a0/0x3a0 [ 185.781039] __bread_gfp+0x11c/0x2e0 [ 185.784744] fat_fill_super+0x2f9/0x31b0 [ 185.788806] ? vsnprintf+0x260/0x1340 [ 185.792598] ? fat_write_end+0x280/0x280 [ 185.796659] ? lock_downgrade+0x740/0x740 [ 185.800788] ? snprintf+0xa5/0xd0 [ 185.804250] ? vsprintf+0x30/0x30 [ 185.807689] ? ns_test_super+0x50/0x50 [ 185.811558] ? set_blocksize+0x125/0x380 [ 185.815608] mount_bdev+0x2b3/0x360 [ 185.819220] ? vfat_mount+0x40/0x40 [ 185.822864] mount_fs+0x92/0x2a0 [ 185.826229] vfs_kern_mount.part.0+0x5b/0x470 [ 185.830718] do_mount+0xe53/0x2a00 [ 185.834255] ? copy_mount_string+0x40/0x40 [ 185.838475] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 185.843472] ? copy_mnt_ns+0xa30/0xa30 [ 185.847352] ? copy_mount_options+0x1fa/0x2f0 [ 185.851827] ? copy_mnt_ns+0xa30/0xa30 [ 185.855694] SyS_mount+0xa8/0x120 [ 185.859126] ? copy_mnt_ns+0xa30/0xa30 [ 185.862996] do_syscall_64+0x1d5/0x640 [ 185.866868] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 185.872043] RIP: 0033:0x44e51a [ 185.875233] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 185.882938] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 185.890195] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 185.897452] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 185.904705] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 185.911962] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 185.919226] CPU: 0 PID: 8864 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 185.921038] FAT-fs (loop2): bogus number of reserved sectors [ 185.927111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 185.932934] FAT-fs (loop2): Can't find a valid FAT filesystem [ 185.942232] Call Trace: [ 185.942248] dump_stack+0x1b2/0x283 [ 185.942262] should_fail.cold+0x10a/0x154 [ 185.958484] should_failslab+0xd6/0x130 [ 185.962461] kmem_cache_alloc+0x28e/0x3c0 [ 185.966612] alloc_buffer_head+0x20/0x110 [ 185.970785] alloc_page_buffers+0xb3/0x1f0 [ 185.975376] __getblk_slow+0x2d6/0x7a0 [ 185.979245] ? vfat_cmpi+0x3a0/0x3a0 [ 185.984258] __bread_gfp+0x206/0x2e0 [ 185.987953] fat_fill_super+0x2f9/0x31b0 [ 185.991992] ? vsnprintf+0x260/0x1340 [ 185.995860] ? fat_write_end+0x280/0x280 [ 185.999900] ? lock_downgrade+0x740/0x740 [ 186.004058] ? snprintf+0xa5/0xd0 [ 186.007488] ? vsprintf+0x30/0x30 [ 186.010921] ? ns_test_super+0x50/0x50 [ 186.014889] ? set_blocksize+0x125/0x380 [ 186.018928] mount_bdev+0x2b3/0x360 [ 186.022532] ? vfat_mount+0x40/0x40 [ 186.026136] mount_fs+0x92/0x2a0 [ 186.029496] vfs_kern_mount.part.0+0x5b/0x470 [ 186.033970] do_mount+0xe53/0x2a00 [ 186.037509] ? copy_mount_string+0x40/0x40 [ 186.041721] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 186.046731] ? copy_mnt_ns+0xa30/0xa30 [ 186.050595] ? copy_mount_options+0x1fa/0x2f0 [ 186.055067] ? copy_mnt_ns+0xa30/0xa30 [ 186.058930] SyS_mount+0xa8/0x120 [ 186.062361] ? copy_mnt_ns+0xa30/0xa30 [ 186.066226] do_syscall_64+0x1d5/0x640 [ 186.070092] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 186.079175] RIP: 0033:0x44e51a [ 186.082340] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 186.090023] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 186.097269] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 186.104517] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 186.111766] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 186.119014] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 186.132733] FAT-fs (loop5): bogus number of reserved sectors [ 186.138677] FAT-fs (loop5): Can't find a valid FAT filesystem executing program executing program executing program executing program [ 186.292092] FAULT_INJECTION: forcing a failure. [ 186.292092] name failslab, interval 1, probability 0, space 0, times 0 [ 186.315701] CPU: 1 PID: 8875 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 186.323629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 186.333912] Call Trace: [ 186.336504] dump_stack+0x1b2/0x283 [ 186.340135] should_fail.cold+0x10a/0x154 [ 186.344291] should_failslab+0xd6/0x130 [ 186.348269] kmem_cache_alloc+0x28e/0x3c0 [ 186.352423] alloc_buffer_head+0x20/0x110 [ 186.356579] alloc_page_buffers+0xb3/0x1f0 [ 186.360823] __getblk_slow+0x2d6/0x7a0 [ 186.364717] ? vfat_cmpi+0x3a0/0x3a0 [ 186.368434] __bread_gfp+0x206/0x2e0 [ 186.372150] fat_fill_super+0x2f9/0x31b0 [ 186.376212] ? vsnprintf+0x260/0x1340 [ 186.380018] ? fat_write_end+0x280/0x280 [ 186.382475] FAULT_INJECTION: forcing a failure. [ 186.382475] name failslab, interval 1, probability 0, space 0, times 0 [ 186.384110] ? lock_downgrade+0x740/0x740 [ 186.399369] FAULT_INJECTION: forcing a failure. [ 186.399369] name failslab, interval 1, probability 0, space 0, times 0 [ 186.399438] ? snprintf+0xa5/0xd0 [ 186.414044] ? vsprintf+0x30/0x30 [ 186.417508] ? ns_test_super+0x50/0x50 [ 186.421391] ? set_blocksize+0x125/0x380 [ 186.425463] mount_bdev+0x2b3/0x360 [ 186.429069] ? vfat_mount+0x40/0x40 [ 186.432683] mount_fs+0x92/0x2a0 [ 186.436050] vfs_kern_mount.part.0+0x5b/0x470 [ 186.440553] do_mount+0xe53/0x2a00 [ 186.444104] ? copy_mount_string+0x40/0x40 [ 186.448334] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 186.453345] ? copy_mnt_ns+0xa30/0xa30 [ 186.457334] ? copy_mount_options+0x1fa/0x2f0 [ 186.461815] ? copy_mnt_ns+0xa30/0xa30 [ 186.465704] SyS_mount+0xa8/0x120 [ 186.469183] ? copy_mnt_ns+0xa30/0xa30 [ 186.473075] do_syscall_64+0x1d5/0x640 [ 186.476970] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 186.482146] RIP: 0033:0x44e51a [ 186.485330] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 186.493042] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 186.500312] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 186.507588] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 186.514839] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 186.522179] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 186.529447] CPU: 0 PID: 8894 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 186.537339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 186.540250] FAT-fs (loop3): bogus number of reserved sectors [ 186.546686] Call Trace: [ 186.546702] dump_stack+0x1b2/0x283 [ 186.546715] should_fail.cold+0x10a/0x154 [ 186.546726] should_failslab+0xd6/0x130 [ 186.546737] kmem_cache_alloc+0x28e/0x3c0 [ 186.552638] FAT-fs (loop3): Can't find a valid FAT filesystem [ 186.555649] alloc_buffer_head+0x20/0x110 [ 186.555658] alloc_page_buffers+0xb3/0x1f0 [ 186.555670] __getblk_slow+0x2d6/0x7a0 [ 186.555684] ? vfat_cmpi+0x3a0/0x3a0 [ 186.570140] FAULT_INJECTION: forcing a failure. [ 186.570140] name failslab, interval 1, probability 0, space 0, times 0 [ 186.571544] __bread_gfp+0x206/0x2e0 [ 186.608189] fat_fill_super+0x2f9/0x31b0 [ 186.612232] ? vsnprintf+0x260/0x1340 [ 186.616015] ? fat_write_end+0x280/0x280 [ 186.620080] ? lock_downgrade+0x740/0x740 [ 186.624226] ? snprintf+0xa5/0xd0 [ 186.627696] ? vsprintf+0x30/0x30 [ 186.631143] ? ns_test_super+0x50/0x50 [ 186.635020] ? set_blocksize+0x125/0x380 [ 186.639073] mount_bdev+0x2b3/0x360 [ 186.642690] ? vfat_mount+0x40/0x40 [ 186.646326] mount_fs+0x92/0x2a0 [ 186.649676] vfs_kern_mount.part.0+0x5b/0x470 [ 186.654160] do_mount+0xe53/0x2a00 [ 186.657689] ? copy_mount_string+0x40/0x40 [ 186.661904] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 186.666904] ? copy_mnt_ns+0xa30/0xa30 [ 186.670776] ? copy_mount_options+0x1fa/0x2f0 [ 186.675249] ? copy_mnt_ns+0xa30/0xa30 [ 186.679146] SyS_mount+0xa8/0x120 [ 186.682599] ? copy_mnt_ns+0xa30/0xa30 [ 186.686488] do_syscall_64+0x1d5/0x640 [ 186.690375] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 186.695552] RIP: 0033:0x44e51a [ 186.698743] RSP: 002b:00007f069ce2db28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 186.706474] RAX: ffffffffffffffda RBX: 00007f069ce2db30 RCX: 000000000044e51a [ 186.713779] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce2db30 [ 186.721043] RBP: 0000000000000005 R08: 00007f069ce2db70 R09: 6f6f6c2f7665642f [ 186.728295] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 [ 186.735546] R13: 0000000000000000 R14: 00007f069ce2db70 R15: 00007f069ce2e6d4 [ 186.742833] CPU: 1 PID: 8889 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 186.750719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 186.760095] Call Trace: [ 186.762681] dump_stack+0x1b2/0x283 [ 186.766306] should_fail.cold+0x10a/0x154 [ 186.770454] should_failslab+0xd6/0x130 [ 186.774427] kmem_cache_alloc+0x28e/0x3c0 [ 186.778577] alloc_buffer_head+0x20/0x110 [ 186.782717] alloc_page_buffers+0xb3/0x1f0 [ 186.786971] __getblk_slow+0x2d6/0x7a0 [ 186.790857] ? vfat_cmpi+0x3a0/0x3a0 [ 186.794558] __bread_gfp+0x206/0x2e0 [ 186.798260] fat_fill_super+0x2f9/0x31b0 [ 186.802303] ? vsnprintf+0x260/0x1340 [ 186.806087] ? fat_write_end+0x280/0x280 [ 186.810130] ? lock_downgrade+0x740/0x740 [ 186.814262] ? snprintf+0xa5/0xd0 [ 186.817694] ? vsprintf+0x30/0x30 [ 186.821134] ? ns_test_super+0x50/0x50 [ 186.825025] ? set_blocksize+0x125/0x380 [ 186.829087] mount_bdev+0x2b3/0x360 [ 186.832694] ? vfat_mount+0x40/0x40 [ 186.836303] mount_fs+0x92/0x2a0 [ 186.839658] vfs_kern_mount.part.0+0x5b/0x470 [ 186.844148] do_mount+0xe53/0x2a00 [ 186.847681] ? copy_mount_string+0x40/0x40 [ 186.851896] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 186.856891] ? copy_mnt_ns+0xa30/0xa30 [ 186.860761] ? copy_mount_options+0x1fa/0x2f0 [ 186.865237] ? copy_mnt_ns+0xa30/0xa30 [ 186.869103] SyS_mount+0xa8/0x120 [ 186.872538] ? copy_mnt_ns+0xa30/0xa30 [ 186.876434] do_syscall_64+0x1d5/0x640 [ 186.880314] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 186.885483] RIP: 0033:0x44e51a [ 186.888654] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 186.896342] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 186.903589] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 186.910876] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 186.918124] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 186.925376] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 186.932662] CPU: 0 PID: 8887 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 186.940649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 186.950002] Call Trace: [ 186.952588] dump_stack+0x1b2/0x283 [ 186.956217] should_fail.cold+0x10a/0x154 [ 186.960371] should_failslab+0xd6/0x130 [ 186.964388] kmem_cache_alloc+0x28e/0x3c0 [ 186.968538] alloc_buffer_head+0x20/0x110 [ 186.972689] alloc_page_buffers+0xb3/0x1f0 [ 186.976928] __getblk_slow+0x2d6/0x7a0 [ 186.980841] ? vfat_cmpi+0x3a0/0x3a0 [ 186.984555] __bread_gfp+0x206/0x2e0 [ 186.986090] FAT-fs (loop1): bogus number of reserved sectors [ 186.988284] fat_fill_super+0x2f9/0x31b0 [ 186.988294] ? vsnprintf+0x260/0x1340 [ 186.988305] ? fat_write_end+0x280/0x280 [ 186.994159] FAT-fs (loop1): Can't find a valid FAT filesystem [ 186.998126] ? lock_downgrade+0x740/0x740 [ 186.998136] ? snprintf+0xa5/0xd0 [ 186.998146] ? vsprintf+0x30/0x30 [ 187.022862] ? ns_test_super+0x50/0x50 [ 187.026728] ? set_blocksize+0x125/0x380 [ 187.030793] mount_bdev+0x2b3/0x360 [ 187.034398] ? vfat_mount+0x40/0x40 [ 187.038004] mount_fs+0x92/0x2a0 [ 187.041351] vfs_kern_mount.part.0+0x5b/0x470 [ 187.045912] do_mount+0xe53/0x2a00 [ 187.049433] ? copy_mount_string+0x40/0x40 [ 187.053668] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 187.058666] ? copy_mnt_ns+0xa30/0xa30 [ 187.062532] ? copy_mount_options+0x1fa/0x2f0 [ 187.067006] ? copy_mnt_ns+0xa30/0xa30 [ 187.070888] SyS_mount+0xa8/0x120 [ 187.074319] ? copy_mnt_ns+0xa30/0xa30 [ 187.078186] do_syscall_64+0x1d5/0x640 [ 187.082145] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 187.087316] RIP: 0033:0x44e51a [ 187.090485] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 187.098171] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 187.105520] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 187.112785] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 187.120051] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 187.127318] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 executing program executing program executing program [ 187.147654] FAT-fs (loop2): bogus number of reserved sectors [ 187.171805] FAULT_INJECTION: forcing a failure. [ 187.171805] name failslab, interval 1, probability 0, space 0, times 0 [ 187.173222] FAT-fs (loop2): Can't find a valid FAT filesystem [ 187.184332] FAULT_INJECTION: forcing a failure. executing program [ 187.184332] name failslab, interval 1, probability 0, space 0, times 0 [ 187.203918] FAT-fs (loop4): bogus number of reserved sectors [ 187.205724] FAULT_INJECTION: forcing a failure. [ 187.205724] name failslab, interval 1, probability 0, space 0, times 0 [ 187.221334] CPU: 0 PID: 8915 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 187.223533] FAULT_INJECTION: forcing a failure. [ 187.223533] name failslab, interval 1, probability 0, space 0, times 0 [ 187.229221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.229224] Call Trace: [ 187.229239] dump_stack+0x1b2/0x283 [ 187.229252] should_fail.cold+0x10a/0x154 [ 187.229263] should_failslab+0xd6/0x130 [ 187.229276] kmem_cache_alloc+0x28e/0x3c0 [ 187.244054] FAT-fs (loop4): Can't find a valid FAT filesystem [ 187.249869] alloc_buffer_head+0x20/0x110 [ 187.249879] alloc_page_buffers+0xb3/0x1f0 [ 187.249891] __getblk_slow+0x2d6/0x7a0 [ 187.249906] ? vfat_cmpi+0x3a0/0x3a0 [ 187.249913] __bread_gfp+0x206/0x2e0 [ 187.249922] fat_fill_super+0x2f9/0x31b0 [ 187.249931] ? vsnprintf+0x260/0x1340 [ 187.249941] ? fat_write_end+0x280/0x280 [ 187.249950] ? lock_downgrade+0x740/0x740 [ 187.249959] ? snprintf+0xa5/0xd0 [ 187.315021] ? vsprintf+0x30/0x30 [ 187.318464] ? ns_test_super+0x50/0x50 [ 187.322355] ? set_blocksize+0x125/0x380 [ 187.326413] mount_bdev+0x2b3/0x360 [ 187.330107] ? vfat_mount+0x40/0x40 [ 187.333722] mount_fs+0x92/0x2a0 [ 187.337244] vfs_kern_mount.part.0+0x5b/0x470 [ 187.341736] do_mount+0xe53/0x2a00 [ 187.345270] ? copy_mount_string+0x40/0x40 [ 187.349481] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 187.354491] ? copy_mnt_ns+0xa30/0xa30 [ 187.358363] ? copy_mount_options+0x1fa/0x2f0 [ 187.363143] ? copy_mnt_ns+0xa30/0xa30 [ 187.367040] SyS_mount+0xa8/0x120 [ 187.370918] ? copy_mnt_ns+0xa30/0xa30 [ 187.374803] do_syscall_64+0x1d5/0x640 [ 187.378676] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 187.383846] RIP: 0033:0x44e51a [ 187.387015] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 187.394700] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 187.401961] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 187.409217] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 187.416479] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 187.423742] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 187.436351] CPU: 0 PID: 8914 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 187.444278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.453630] Call Trace: [ 187.456220] dump_stack+0x1b2/0x283 [ 187.459844] should_fail.cold+0x10a/0x154 [ 187.463991] should_failslab+0xd6/0x130 [ 187.467960] kmem_cache_alloc+0x28e/0x3c0 [ 187.472104] alloc_buffer_head+0x20/0x110 [ 187.476247] alloc_page_buffers+0xb3/0x1f0 [ 187.480467] __getblk_slow+0x2d6/0x7a0 [ 187.484344] ? vfat_cmpi+0x3a0/0x3a0 [ 187.488038] __bread_gfp+0x206/0x2e0 [ 187.491757] fat_fill_super+0x2f9/0x31b0 [ 187.495816] ? vsnprintf+0x260/0x1340 [ 187.499605] ? fat_write_end+0x280/0x280 [ 187.503655] ? lock_downgrade+0x740/0x740 [ 187.507803] ? snprintf+0xa5/0xd0 [ 187.511233] ? vsprintf+0x30/0x30 [ 187.514666] ? ns_test_super+0x50/0x50 [ 187.518536] ? set_blocksize+0x125/0x380 [ 187.522591] mount_bdev+0x2b3/0x360 [ 187.529421] ? vfat_mount+0x40/0x40 [ 187.533038] mount_fs+0x92/0x2a0 [ 187.536387] vfs_kern_mount.part.0+0x5b/0x470 [ 187.540863] do_mount+0xe53/0x2a00 [ 187.544404] ? copy_mount_string+0x40/0x40 [ 187.548634] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 187.553644] ? copy_mnt_ns+0xa30/0xa30 [ 187.557514] ? copy_mount_options+0x1fa/0x2f0 [ 187.561993] ? copy_mnt_ns+0xa30/0xa30 [ 187.565858] SyS_mount+0xa8/0x120 [ 187.569306] ? copy_mnt_ns+0xa30/0xa30 [ 187.573180] do_syscall_64+0x1d5/0x640 [ 187.577061] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 187.582257] RIP: 0033:0x44e51a [ 187.585428] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 187.593155] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 187.600420] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 187.607809] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 187.615241] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 187.622667] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 187.629947] CPU: 1 PID: 8923 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 187.637846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.647192] Call Trace: [ 187.649765] dump_stack+0x1b2/0x283 [ 187.653378] should_fail.cold+0x10a/0x154 [ 187.657507] should_failslab+0xd6/0x130 [ 187.661472] kmem_cache_alloc+0x28e/0x3c0 [ 187.665599] alloc_buffer_head+0x20/0x110 [ 187.669742] alloc_page_buffers+0xb3/0x1f0 [ 187.673996] __getblk_slow+0x2d6/0x7a0 [ 187.677867] ? vfat_cmpi+0x3a0/0x3a0 [ 187.681561] __bread_gfp+0x206/0x2e0 [ 187.685254] fat_fill_super+0x2f9/0x31b0 [ 187.689293] ? vsnprintf+0x260/0x1340 [ 187.693073] ? fat_write_end+0x280/0x280 [ 187.697115] ? lock_downgrade+0x740/0x740 [ 187.701243] ? snprintf+0xa5/0xd0 [ 187.704673] ? vsprintf+0x30/0x30 [ 187.708105] ? ns_test_super+0x50/0x50 [ 187.711971] ? set_blocksize+0x125/0x380 [ 187.716017] mount_bdev+0x2b3/0x360 [ 187.719629] ? vfat_mount+0x40/0x40 [ 187.723238] mount_fs+0x92/0x2a0 [ 187.726584] vfs_kern_mount.part.0+0x5b/0x470 [ 187.731060] do_mount+0xe53/0x2a00 [ 187.734585] ? do_raw_spin_unlock+0x164/0x220 [ 187.739067] ? copy_mount_string+0x40/0x40 [ 187.743282] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 187.748273] ? copy_mnt_ns+0xa30/0xa30 [ 187.752141] ? copy_mount_options+0x1fa/0x2f0 [ 187.756615] ? copy_mnt_ns+0xa30/0xa30 [ 187.760480] SyS_mount+0xa8/0x120 [ 187.763910] ? copy_mnt_ns+0xa30/0xa30 [ 187.767776] do_syscall_64+0x1d5/0x640 [ 187.771649] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 187.776816] RIP: 0033:0x44e51a [ 187.779982] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 187.787670] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 187.794918] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 187.802170] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 187.809431] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 187.816678] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 187.823939] CPU: 0 PID: 8926 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 187.831825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.841176] Call Trace: [ 187.843766] dump_stack+0x1b2/0x283 [ 187.847391] should_fail.cold+0x10a/0x154 [ 187.851540] should_failslab+0xd6/0x130 [ 187.855519] kmem_cache_alloc+0x28e/0x3c0 [ 187.859670] alloc_buffer_head+0x20/0x110 [ 187.863815] alloc_page_buffers+0xb3/0x1f0 [ 187.868048] __getblk_slow+0x2d6/0x7a0 [ 187.871938] ? vfat_cmpi+0x3a0/0x3a0 [ 187.875649] __bread_gfp+0x206/0x2e0 [ 187.879365] fat_fill_super+0x2f9/0x31b0 [ 187.883424] ? vsnprintf+0x260/0x1340 [ 187.883512] FAT-fs (loop1): bogus number of reserved sectors [ 187.887235] ? fat_write_end+0x280/0x280 [ 187.887246] ? lock_downgrade+0x740/0x740 [ 187.887256] ? snprintf+0xa5/0xd0 [ 187.887263] ? vsprintf+0x30/0x30 [ 187.887276] ? ns_test_super+0x50/0x50 [ 187.893177] FAT-fs (loop1): Can't find a valid FAT filesystem [ 187.897103] ? set_blocksize+0x125/0x380 [ 187.897117] mount_bdev+0x2b3/0x360 [ 187.897126] ? vfat_mount+0x40/0x40 [ 187.897137] mount_fs+0x92/0x2a0 [ 187.912747] FAT-fs (loop0): bogus number of reserved sectors [ 187.917883] vfs_kern_mount.part.0+0x5b/0x470 [ 187.917896] do_mount+0xe53/0x2a00 [ 187.917908] ? do_raw_spin_unlock+0x164/0x220 [ 187.917918] ? copy_mount_string+0x40/0x40 [ 187.922186] FAT-fs (loop0): Can't find a valid FAT filesystem [ 187.925698] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 187.925708] ? copy_mnt_ns+0xa30/0xa30 [ 187.925718] ? copy_mount_options+0x1fa/0x2f0 [ 187.925727] ? copy_mnt_ns+0xa30/0xa30 [ 187.925735] SyS_mount+0xa8/0x120 [ 187.925742] ? copy_mnt_ns+0xa30/0xa30 [ 187.986028] do_syscall_64+0x1d5/0x640 [ 187.989910] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 187.995105] RIP: 0033:0x44e51a [ 187.998280] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 188.005965] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 188.013214] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 188.020479] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 188.027730] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 188.034980] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 executing program [ 188.046501] FAT-fs (loop5): bogus number of reserved sectors [ 188.052459] FAT-fs (loop5): Can't find a valid FAT filesystem [ 188.052751] FAT-fs (loop3): bogus number of reserved sectors [ 188.072741] FAT-fs (loop3): Can't find a valid FAT filesystem [ 188.094612] FAULT_INJECTION: forcing a failure. executing program executing program [ 188.094612] name failslab, interval 1, probability 0, space 0, times 0 [ 188.106588] CPU: 0 PID: 8939 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 188.114618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 188.123962] Call Trace: [ 188.126536] dump_stack+0x1b2/0x283 [ 188.130169] should_fail.cold+0x10a/0x154 [ 188.134300] should_failslab+0xd6/0x130 [ 188.138254] kmem_cache_alloc+0x28e/0x3c0 [ 188.142382] alloc_buffer_head+0x20/0x110 [ 188.146524] alloc_page_buffers+0xb3/0x1f0 [ 188.150752] __getblk_slow+0x2d6/0x7a0 [ 188.154623] ? vfat_cmpi+0x3a0/0x3a0 [ 188.158351] __bread_gfp+0x206/0x2e0 [ 188.162046] fat_fill_super+0x2f9/0x31b0 [ 188.166087] ? vsnprintf+0x260/0x1340 [ 188.169897] ? fat_write_end+0x280/0x280 [ 188.173953] ? lock_downgrade+0x740/0x740 [ 188.178086] ? snprintf+0xa5/0xd0 [ 188.181517] ? vsprintf+0x30/0x30 [ 188.184952] ? ns_test_super+0x50/0x50 [ 188.188817] ? set_blocksize+0x125/0x380 [ 188.193308] mount_bdev+0x2b3/0x360 [ 188.196930] ? vfat_mount+0x40/0x40 [ 188.200535] mount_fs+0x92/0x2a0 [ 188.203882] vfs_kern_mount.part.0+0x5b/0x470 [ 188.208361] do_mount+0xe53/0x2a00 [ 188.211885] ? copy_mount_string+0x40/0x40 [ 188.216113] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 188.221127] ? copy_mnt_ns+0xa30/0xa30 [ 188.225003] ? copy_mount_options+0x1fa/0x2f0 [ 188.229491] ? copy_mnt_ns+0xa30/0xa30 [ 188.233355] SyS_mount+0xa8/0x120 [ 188.236786] ? copy_mnt_ns+0xa30/0xa30 [ 188.240655] do_syscall_64+0x1d5/0x640 [ 188.244543] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 188.249722] RIP: 0033:0x44e51a [ 188.252908] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 188.260604] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 188.267856] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 188.275120] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 188.282391] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 188.289666] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 188.302710] FAT-fs (loop4): bogus number of reserved sectors [ 188.308666] FAT-fs (loop4): Can't find a valid FAT filesystem executing program executing program [ 188.369611] FAULT_INJECTION: forcing a failure. [ 188.369611] name failslab, interval 1, probability 0, space 0, times 0 [ 188.381590] CPU: 0 PID: 8950 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 188.389489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 188.398873] Call Trace: [ 188.401467] dump_stack+0x1b2/0x283 [ 188.405101] should_fail.cold+0x10a/0x154 [ 188.409254] should_failslab+0xd6/0x130 [ 188.413232] kmem_cache_alloc+0x28e/0x3c0 [ 188.417391] alloc_buffer_head+0x20/0x110 [ 188.421570] alloc_page_buffers+0xb3/0x1f0 [ 188.425808] __getblk_slow+0x2d6/0x7a0 [ 188.429703] ? vfat_cmpi+0x3a0/0x3a0 [ 188.433415] __bread_gfp+0x206/0x2e0 [ 188.437133] fat_fill_super+0x2f9/0x31b0 [ 188.441196] ? vsnprintf+0x260/0x1340 [ 188.445176] ? fat_write_end+0x280/0x280 [ 188.449253] ? lock_downgrade+0x740/0x740 [ 188.453410] ? snprintf+0xa5/0xd0 [ 188.456865] ? vsprintf+0x30/0x30 [ 188.460320] ? ns_test_super+0x50/0x50 [ 188.464211] ? set_blocksize+0x125/0x380 [ 188.468363] mount_bdev+0x2b3/0x360 [ 188.471992] ? vfat_mount+0x40/0x40 [ 188.475619] mount_fs+0x92/0x2a0 [ 188.478989] vfs_kern_mount.part.0+0x5b/0x470 [ 188.483487] do_mount+0xe53/0x2a00 [ 188.487034] ? copy_mount_string+0x40/0x40 [ 188.491266] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 188.496275] ? copy_mnt_ns+0xa30/0xa30 [ 188.500166] ? copy_mount_options+0x1fa/0x2f0 [ 188.504658] ? copy_mnt_ns+0xa30/0xa30 [ 188.504869] FAULT_INJECTION: forcing a failure. [ 188.504869] name failslab, interval 1, probability 0, space 0, times 0 [ 188.508539] SyS_mount+0xa8/0x120 [ 188.523145] ? copy_mnt_ns+0xa30/0xa30 [ 188.527038] do_syscall_64+0x1d5/0x640 [ 188.530944] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 188.536139] RIP: 0033:0x44e51a [ 188.539318] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 188.547011] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 188.554282] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 188.561543] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 188.568795] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 188.576226] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 188.583498] CPU: 1 PID: 8954 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 188.591467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 188.600817] Call Trace: [ 188.603409] dump_stack+0x1b2/0x283 [ 188.603443] FAT-fs (loop2): bogus number of reserved sectors [ 188.607026] should_fail.cold+0x10a/0x154 [ 188.607040] should_failslab+0xd6/0x130 [ 188.607049] kmem_cache_alloc+0x28e/0x3c0 [ 188.607060] alloc_buffer_head+0x20/0x110 [ 188.612957] FAT-fs (loop2): Can't find a valid FAT filesystem [ 188.616982] alloc_page_buffers+0xb3/0x1f0 [ 188.616995] __getblk_slow+0x2d6/0x7a0 [ 188.617010] ? vfat_cmpi+0x3a0/0x3a0 [ 188.617019] __bread_gfp+0x206/0x2e0 [ 188.653415] fat_fill_super+0x2f9/0x31b0 [ 188.657474] ? vsnprintf+0x260/0x1340 [ 188.661259] ? fat_write_end+0x280/0x280 [ 188.665301] ? lock_downgrade+0x740/0x740 [ 188.669446] ? snprintf+0xa5/0xd0 [ 188.672876] ? vsprintf+0x30/0x30 [ 188.676309] ? ns_test_super+0x50/0x50 [ 188.680178] ? set_blocksize+0x125/0x380 [ 188.684241] mount_bdev+0x2b3/0x360 [ 188.687849] ? vfat_mount+0x40/0x40 [ 188.691474] mount_fs+0x92/0x2a0 [ 188.694825] vfs_kern_mount.part.0+0x5b/0x470 [ 188.699304] do_mount+0xe53/0x2a00 [ 188.702933] ? copy_mount_string+0x40/0x40 [ 188.707146] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 188.712140] ? copy_mnt_ns+0xa30/0xa30 [ 188.716035] ? copy_mount_options+0x1fa/0x2f0 [ 188.720507] ? copy_mnt_ns+0xa30/0xa30 [ 188.724373] SyS_mount+0xa8/0x120 [ 188.727802] ? copy_mnt_ns+0xa30/0xa30 [ 188.731671] do_syscall_64+0x1d5/0x640 [ 188.735544] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 188.740712] RIP: 0033:0x44e51a [ 188.743879] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 188.751665] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 188.758917] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 executing program executing program executing program executing program [ 188.766183] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 188.773442] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 188.780709] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 188.818972] FAULT_INJECTION: forcing a failure. [ 188.818972] name failslab, interval 1, probability 0, space 0, times 0 [ 188.822208] FAULT_INJECTION: forcing a failure. [ 188.822208] name failslab, interval 1, probability 0, space 0, times 0 [ 188.844323] FAULT_INJECTION: forcing a failure. [ 188.844323] name failslab, interval 1, probability 0, space 0, times 0 [ 188.853085] CPU: 1 PID: 8972 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 188.858685] FAULT_INJECTION: forcing a failure. [ 188.858685] name failslab, interval 1, probability 0, space 0, times 0 [ 188.863422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 188.863426] Call Trace: [ 188.863439] dump_stack+0x1b2/0x283 [ 188.863453] should_fail.cold+0x10a/0x154 [ 188.863465] should_failslab+0xd6/0x130 [ 188.863474] kmem_cache_alloc+0x28e/0x3c0 [ 188.863483] alloc_buffer_head+0x20/0x110 [ 188.863491] alloc_page_buffers+0xb3/0x1f0 [ 188.863501] __getblk_slow+0x2d6/0x7a0 [ 188.863514] ? vfat_cmpi+0x3a0/0x3a0 [ 188.863523] __bread_gfp+0x206/0x2e0 [ 188.863531] fat_fill_super+0x2f9/0x31b0 [ 188.863540] ? vsnprintf+0x260/0x1340 [ 188.863552] ? fat_write_end+0x280/0x280 [ 188.934112] ? lock_downgrade+0x740/0x740 [ 188.938243] ? snprintf+0xa5/0xd0 [ 188.941683] ? vsprintf+0x30/0x30 [ 188.945122] ? ns_test_super+0x50/0x50 [ 188.948998] ? set_blocksize+0x125/0x380 [ 188.953050] mount_bdev+0x2b3/0x360 [ 188.956672] ? vfat_mount+0x40/0x40 [ 188.960289] mount_fs+0x92/0x2a0 [ 188.963643] vfs_kern_mount.part.0+0x5b/0x470 [ 188.968138] do_mount+0xe53/0x2a00 [ 188.971676] ? do_raw_spin_unlock+0x164/0x220 [ 188.976164] ? copy_mount_string+0x40/0x40 [ 188.980402] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 188.985412] ? copy_mnt_ns+0xa30/0xa30 [ 188.989289] ? copy_mount_options+0x1fa/0x2f0 [ 188.993780] ? copy_mnt_ns+0xa30/0xa30 [ 188.997679] SyS_mount+0xa8/0x120 [ 189.001137] ? copy_mnt_ns+0xa30/0xa30 [ 189.005024] do_syscall_64+0x1d5/0x640 [ 189.008929] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 189.014107] RIP: 0033:0x44e51a [ 189.017289] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 189.025256] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 189.032552] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 189.039822] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 189.047084] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 189.054351] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 189.072219] FAT-fs (loop0): bogus number of reserved sectors [ 189.075541] CPU: 0 PID: 8976 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 189.078817] FAT-fs (loop0): Can't find a valid FAT filesystem [ 189.085948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 189.085952] Call Trace: [ 189.085965] dump_stack+0x1b2/0x283 [ 189.085977] should_fail.cold+0x10a/0x154 [ 189.085989] should_failslab+0xd6/0x130 [ 189.085999] kmem_cache_alloc+0x28e/0x3c0 [ 189.086009] alloc_buffer_head+0x20/0x110 [ 189.086016] alloc_page_buffers+0xb3/0x1f0 [ 189.086026] __getblk_slow+0x2d6/0x7a0 [ 189.086041] ? vfat_cmpi+0x3a0/0x3a0 [ 189.086051] __bread_gfp+0x206/0x2e0 [ 189.086061] fat_fill_super+0x2f9/0x31b0 [ 189.086070] ? vsnprintf+0x260/0x1340 [ 189.086082] ? fat_write_end+0x280/0x280 [ 189.086092] ? lock_downgrade+0x740/0x740 [ 189.086100] ? snprintf+0xa5/0xd0 [ 189.158691] ? vsprintf+0x30/0x30 [ 189.162156] ? ns_test_super+0x50/0x50 [ 189.166045] ? set_blocksize+0x125/0x380 [ 189.170086] mount_bdev+0x2b3/0x360 [ 189.173692] ? vfat_mount+0x40/0x40 [ 189.177303] mount_fs+0x92/0x2a0 [ 189.180666] vfs_kern_mount.part.0+0x5b/0x470 [ 189.185171] do_mount+0xe53/0x2a00 [ 189.188694] ? copy_mount_string+0x40/0x40 [ 189.192907] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 189.198946] ? copy_mnt_ns+0xa30/0xa30 [ 189.202813] ? copy_mount_options+0x1fa/0x2f0 [ 189.207288] ? copy_mnt_ns+0xa30/0xa30 [ 189.211159] SyS_mount+0xa8/0x120 [ 189.214591] ? copy_mnt_ns+0xa30/0xa30 [ 189.218459] do_syscall_64+0x1d5/0x640 [ 189.222332] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 189.227500] RIP: 0033:0x44e51a [ 189.230669] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 189.238355] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 189.245688] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 189.252936] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 189.260185] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 189.267449] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 189.279732] CPU: 0 PID: 8977 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 189.283860] FAT-fs (loop1): bogus number of reserved sectors [ 189.287625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 189.287630] Call Trace: [ 189.287644] dump_stack+0x1b2/0x283 [ 189.287655] should_fail.cold+0x10a/0x154 [ 189.287666] should_failslab+0xd6/0x130 [ 189.317081] kmem_cache_alloc+0x28e/0x3c0 [ 189.321235] alloc_buffer_head+0x20/0x110 [ 189.325383] alloc_page_buffers+0xb3/0x1f0 [ 189.329625] __getblk_slow+0x2d6/0x7a0 [ 189.331231] FAT-fs (loop1): Can't find a valid FAT filesystem [ 189.333514] ? vfat_cmpi+0x3a0/0x3a0 [ 189.333525] __bread_gfp+0x206/0x2e0 [ 189.333535] fat_fill_super+0x2f9/0x31b0 [ 189.350899] ? vsnprintf+0x260/0x1340 [ 189.354238] FAT-fs (loop3): bogus number of reserved sectors [ 189.354695] ? fat_write_end+0x280/0x280 [ 189.360588] FAT-fs (loop3): Can't find a valid FAT filesystem [ 189.364549] ? lock_downgrade+0x740/0x740 [ 189.364560] ? snprintf+0xa5/0xd0 [ 189.364568] ? vsprintf+0x30/0x30 [ 189.381431] ? ns_test_super+0x50/0x50 [ 189.385303] ? set_blocksize+0x125/0x380 [ 189.389344] mount_bdev+0x2b3/0x360 [ 189.392949] ? vfat_mount+0x40/0x40 [ 189.396558] mount_fs+0x92/0x2a0 [ 189.399908] vfs_kern_mount.part.0+0x5b/0x470 [ 189.404473] do_mount+0xe53/0x2a00 [ 189.408013] ? retint_kernel+0x2d/0x2d [ 189.411897] ? copy_mount_string+0x40/0x40 [ 189.416123] ? __sanitizer_cov_trace_pc+0x23/0x50 [ 189.420966] ? copy_mount_options+0x1fa/0x2f0 [ 189.425454] ? copy_mnt_ns+0xa30/0xa30 [ 189.429323] SyS_mount+0xa8/0x120 [ 189.432757] ? copy_mnt_ns+0xa30/0xa30 [ 189.436634] do_syscall_64+0x1d5/0x640 [ 189.440524] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 189.445698] RIP: 0033:0x44e51a [ 189.448867] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 189.456569] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 189.463819] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 189.471101] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 189.478373] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 189.485631] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 189.492931] CPU: 1 PID: 8974 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 189.498412] FAT-fs (loop2): bogus number of reserved sectors [ 189.500816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 189.500820] Call Trace: [ 189.500834] dump_stack+0x1b2/0x283 [ 189.500847] should_fail.cold+0x10a/0x154 [ 189.500858] should_failslab+0xd6/0x130 [ 189.500867] kmem_cache_alloc+0x28e/0x3c0 [ 189.500878] alloc_buffer_head+0x20/0x110 [ 189.500885] alloc_page_buffers+0xb3/0x1f0 [ 189.500895] __getblk_slow+0x2d6/0x7a0 [ 189.506760] FAT-fs (loop2): Can't find a valid FAT filesystem [ 189.516042] ? vfat_cmpi+0x3a0/0x3a0 [ 189.516053] __bread_gfp+0x206/0x2e0 [ 189.516063] fat_fill_super+0x2f9/0x31b0 [ 189.516072] ? vsnprintf+0x260/0x1340 [ 189.516082] ? fat_write_end+0x280/0x280 [ 189.516091] ? lock_downgrade+0x740/0x740 [ 189.516099] ? snprintf+0xa5/0xd0 [ 189.516105] ? vsprintf+0x30/0x30 [ 189.516115] ? ns_test_super+0x50/0x50 [ 189.587670] ? set_blocksize+0x125/0x380 [ 189.591724] mount_bdev+0x2b3/0x360 [ 189.595350] ? vfat_mount+0x40/0x40 [ 189.598962] mount_fs+0x92/0x2a0 [ 189.602355] vfs_kern_mount.part.0+0x5b/0x470 [ 189.606836] do_mount+0xe53/0x2a00 [ 189.610357] ? do_raw_spin_unlock+0x164/0x220 [ 189.614852] ? copy_mount_string+0x40/0x40 [ 189.619083] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 189.624202] ? copy_mnt_ns+0xa30/0xa30 [ 189.628078] ? copy_mount_options+0x1fa/0x2f0 [ 189.632560] ? copy_mnt_ns+0xa30/0xa30 [ 189.636432] SyS_mount+0xa8/0x120 [ 189.639884] ? copy_mnt_ns+0xa30/0xa30 [ 189.643756] do_syscall_64+0x1d5/0x640 [ 189.647630] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 189.652885] RIP: 0033:0x44e51a [ 189.656050] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 189.664009] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 189.671265] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 189.678543] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 189.686157] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 189.693413] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 189.708000] FAT-fs (loop5): bogus number of reserved sectors [ 189.713918] FAT-fs (loop5): Can't find a valid FAT filesystem executing program executing program executing program [ 189.866388] FAULT_INJECTION: forcing a failure. [ 189.866388] name failslab, interval 1, probability 0, space 0, times 0 [ 189.878286] CPU: 0 PID: 8995 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 189.886180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 189.895515] Call Trace: [ 189.898088] dump_stack+0x1b2/0x283 [ 189.901760] should_fail.cold+0x10a/0x154 [ 189.905933] should_failslab+0xd6/0x130 [ 189.909890] kmem_cache_alloc+0x28e/0x3c0 [ 189.914018] alloc_buffer_head+0x20/0x110 [ 189.918143] alloc_page_buffers+0xb3/0x1f0 [ 189.922357] __getblk_slow+0x2d6/0x7a0 [ 189.926228] ? vfat_cmpi+0x3a0/0x3a0 [ 189.929938] __bread_gfp+0x206/0x2e0 [ 189.933651] fat_fill_super+0x2f9/0x31b0 [ 189.937712] ? vsnprintf+0x260/0x1340 [ 189.941495] ? fat_write_end+0x280/0x280 [ 189.945531] ? lock_downgrade+0x740/0x740 [ 189.949657] ? snprintf+0xa5/0xd0 [ 189.953103] ? vsprintf+0x30/0x30 [ 189.956535] ? ns_test_super+0x50/0x50 [ 189.960402] ? set_blocksize+0x125/0x380 [ 189.964441] mount_bdev+0x2b3/0x360 [ 189.968044] ? vfat_mount+0x40/0x40 [ 189.971646] mount_fs+0x92/0x2a0 [ 189.975020] vfs_kern_mount.part.0+0x5b/0x470 [ 189.979510] do_mount+0xe53/0x2a00 [ 189.983031] ? retint_kernel+0x2d/0x2d [ 189.987049] ? copy_mount_string+0x40/0x40 [ 189.991287] ? copy_mount_options+0x18f/0x2f0 [ 189.995774] ? copy_mount_options+0x1fa/0x2f0 [ 190.000244] ? copy_mnt_ns+0xa30/0xa30 [ 190.004108] SyS_mount+0xa8/0x120 [ 190.007548] ? copy_mnt_ns+0xa30/0xa30 [ 190.011416] do_syscall_64+0x1d5/0x640 [ 190.015288] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 190.020454] RIP: 0033:0x44e51a [ 190.023623] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 190.031316] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 190.038651] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 190.045898] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 190.053408] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 executing program [ 190.060676] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 190.080217] FAT-fs (loop1): bogus number of reserved sectors [ 190.086145] FAT-fs (loop1): Can't find a valid FAT filesystem [ 190.094307] FAULT_INJECTION: forcing a failure. [ 190.094307] name failslab, interval 1, probability 0, space 0, times 0 [ 190.107720] CPU: 0 PID: 8998 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 190.115630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 190.124979] Call Trace: [ 190.127568] dump_stack+0x1b2/0x283 [ 190.131202] should_fail.cold+0x10a/0x154 [ 190.135350] should_failslab+0xd6/0x130 [ 190.139330] kmem_cache_alloc_node+0x54/0x410 [ 190.143827] create_task_io_context+0x2a/0x3c0 [ 190.148414] generic_make_request_checks+0x1350/0x19f0 [ 190.153692] ? mempool_alloc+0x10e/0x2d0 [ 190.157754] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 190.163201] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 190.167603] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 190.172714] ? trace_hardirqs_on+0x10/0x10 [ 190.176951] generic_make_request+0x67/0x850 [ 190.181358] ? remove_element.isra.0+0x1b0/0x1b0 [ 190.181987] FAULT_INJECTION: forcing a failure. [ 190.181987] name failslab, interval 1, probability 0, space 0, times 0 [ 190.186105] ? blk_queue_exit+0x1d0/0x1d0 [ 190.201511] ? mark_held_locks+0xa6/0xf0 [ 190.205573] ? guard_bio_eod+0x15c/0x520 [ 190.209629] submit_bio+0x234/0x390 [ 190.213236] ? generic_make_request+0x850/0x850 [ 190.217886] ? guard_bio_eod+0x183/0x520 [ 190.221927] ? bio_add_page+0x96/0xe0 [ 190.225721] submit_bh_wbc+0x526/0x6f0 [ 190.229596] ? vfat_cmpi+0x3a0/0x3a0 [ 190.233301] __bread_gfp+0x11c/0x2e0 [ 190.236995] fat_fill_super+0x2f9/0x31b0 [ 190.241038] ? vsnprintf+0x260/0x1340 [ 190.244824] ? fat_write_end+0x280/0x280 [ 190.248879] ? lock_downgrade+0x740/0x740 [ 190.253020] ? snprintf+0xa5/0xd0 [ 190.256469] ? vsprintf+0x30/0x30 [ 190.259915] ? ns_test_super+0x50/0x50 [ 190.263793] ? set_blocksize+0x125/0x380 [ 190.267845] mount_bdev+0x2b3/0x360 [ 190.271467] ? vfat_mount+0x40/0x40 [ 190.275086] mount_fs+0x92/0x2a0 [ 190.278485] vfs_kern_mount.part.0+0x5b/0x470 [ 190.282968] do_mount+0xe53/0x2a00 [ 190.286684] ? copy_mount_string+0x40/0x40 [ 190.290998] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 190.295994] ? copy_mnt_ns+0xa30/0xa30 [ 190.299861] ? copy_mount_options+0x1fa/0x2f0 [ 190.304338] ? copy_mnt_ns+0xa30/0xa30 [ 190.308208] SyS_mount+0xa8/0x120 [ 190.311639] ? copy_mnt_ns+0xa30/0xa30 [ 190.315508] do_syscall_64+0x1d5/0x640 [ 190.319378] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 190.324548] RIP: 0033:0x44e51a [ 190.327719] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 190.335421] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 190.342686] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 190.349937] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 190.357188] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 190.364438] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 190.371702] CPU: 1 PID: 9010 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 190.379586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 190.388939] Call Trace: [ 190.391526] dump_stack+0x1b2/0x283 [ 190.391640] FAT-fs (loop4): bogus number of reserved sectors [ 190.395143] should_fail.cold+0x10a/0x154 [ 190.395157] should_failslab+0xd6/0x130 [ 190.395167] kmem_cache_alloc+0x28e/0x3c0 [ 190.395177] alloc_buffer_head+0x20/0x110 [ 190.401052] FAT-fs (loop4): Can't find a valid FAT filesystem [ 190.405089] alloc_page_buffers+0xb3/0x1f0 [ 190.405101] __getblk_slow+0x2d6/0x7a0 [ 190.405116] ? vfat_cmpi+0x3a0/0x3a0 [ 190.405125] __bread_gfp+0x206/0x2e0 [ 190.438657] fat_fill_super+0x2f9/0x31b0 [ 190.442851] ? vsnprintf+0x260/0x1340 [ 190.446638] ? fat_write_end+0x280/0x280 [ 190.450710] ? lock_downgrade+0x740/0x740 [ 190.454847] ? snprintf+0xa5/0xd0 [ 190.458294] ? vsprintf+0x30/0x30 [ 190.461729] ? ns_test_super+0x50/0x50 [ 190.465592] ? set_blocksize+0x125/0x380 [ 190.469891] mount_bdev+0x2b3/0x360 [ 190.473495] ? vfat_mount+0x40/0x40 [ 190.477110] mount_fs+0x92/0x2a0 [ 190.480466] vfs_kern_mount.part.0+0x5b/0x470 [ 190.484940] do_mount+0xe53/0x2a00 [ 190.488459] ? do_raw_spin_unlock+0x164/0x220 [ 190.493030] ? copy_mount_string+0x40/0x40 [ 190.497247] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 190.502337] ? copy_mnt_ns+0xa30/0xa30 [ 190.506220] ? copy_mount_options+0x1fa/0x2f0 [ 190.510892] ? copy_mnt_ns+0xa30/0xa30 [ 190.514758] SyS_mount+0xa8/0x120 [ 190.518187] ? copy_mnt_ns+0xa30/0xa30 [ 190.522063] do_syscall_64+0x1d5/0x640 [ 190.525931] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 190.531100] RIP: 0033:0x44e51a [ 190.534370] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 190.542076] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 190.549323] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 190.556570] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f executing program executing program executing program [ 190.563820] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 190.571182] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 190.622201] FAULT_INJECTION: forcing a failure. [ 190.622201] name failslab, interval 1, probability 0, space 0, times 0 [ 190.622249] FAULT_INJECTION: forcing a failure. [ 190.622249] name failslab, interval 1, probability 0, space 0, times 0 [ 190.644644] CPU: 0 PID: 9021 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 190.649393] FAULT_INJECTION: forcing a failure. [ 190.649393] name failslab, interval 1, probability 0, space 0, times 0 [ 190.653617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 190.653620] Call Trace: [ 190.653633] dump_stack+0x1b2/0x283 [ 190.653645] should_fail.cold+0x10a/0x154 [ 190.653657] should_failslab+0xd6/0x130 [ 190.653666] kmem_cache_alloc+0x28e/0x3c0 [ 190.653677] alloc_buffer_head+0x20/0x110 [ 190.653685] alloc_page_buffers+0xb3/0x1f0 [ 190.653696] __getblk_slow+0x2d6/0x7a0 [ 190.653716] ? vfat_cmpi+0x3a0/0x3a0 [ 190.653725] __bread_gfp+0x206/0x2e0 [ 190.653734] fat_fill_super+0x2f9/0x31b0 [ 190.653744] ? vsnprintf+0x260/0x1340 [ 190.653756] ? fat_write_end+0x280/0x280 [ 190.653767] ? lock_downgrade+0x740/0x740 [ 190.653776] ? snprintf+0xa5/0xd0 [ 190.653783] ? vsprintf+0x30/0x30 [ 190.653793] ? ns_test_super+0x50/0x50 [ 190.653802] ? set_blocksize+0x125/0x380 [ 190.653813] mount_bdev+0x2b3/0x360 [ 190.653819] ? vfat_mount+0x40/0x40 [ 190.653829] mount_fs+0x92/0x2a0 [ 190.753861] vfs_kern_mount.part.0+0x5b/0x470 [ 190.758348] do_mount+0xe53/0x2a00 [ 190.761872] ? do_raw_spin_unlock+0x164/0x220 [ 190.766351] ? copy_mount_string+0x40/0x40 [ 190.770581] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 190.775673] ? copy_mnt_ns+0xa30/0xa30 [ 190.779540] ? copy_mount_options+0x1fa/0x2f0 [ 190.784014] ? copy_mnt_ns+0xa30/0xa30 [ 190.787881] SyS_mount+0xa8/0x120 [ 190.791329] ? copy_mnt_ns+0xa30/0xa30 [ 190.795215] do_syscall_64+0x1d5/0x640 [ 190.799177] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 190.804357] RIP: 0033:0x44e51a [ 190.807530] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 190.815215] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a executing program executing program [ 190.822467] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 190.829721] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 190.836970] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 190.844230] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 190.851513] CPU: 1 PID: 9029 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 190.851898] FAT-fs (loop0): bogus number of reserved sectors [ 190.859392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 190.874519] Call Trace: [ 190.877104] dump_stack+0x1b2/0x283 [ 190.880731] should_fail.cold+0x10a/0x154 [ 190.884890] should_failslab+0xd6/0x130 [ 190.885951] FAT-fs (loop0): Can't find a valid FAT filesystem [ 190.888853] kmem_cache_alloc+0x28e/0x3c0 [ 190.888866] alloc_buffer_head+0x20/0x110 [ 190.888874] alloc_page_buffers+0xb3/0x1f0 [ 190.888886] __getblk_slow+0x2d6/0x7a0 [ 190.888901] ? vfat_cmpi+0x3a0/0x3a0 [ 190.914823] __bread_gfp+0x206/0x2e0 [ 190.918516] fat_fill_super+0x2f9/0x31b0 [ 190.922556] ? vsnprintf+0x260/0x1340 [ 190.926335] ? fat_write_end+0x280/0x280 [ 190.930373] ? lock_downgrade+0x740/0x740 [ 190.934498] ? snprintf+0xa5/0xd0 [ 190.937924] ? vsprintf+0x30/0x30 [ 190.941355] ? ns_test_super+0x50/0x50 [ 190.945231] ? set_blocksize+0x125/0x380 [ 190.949273] mount_bdev+0x2b3/0x360 [ 190.952876] ? vfat_mount+0x40/0x40 [ 190.956482] mount_fs+0x92/0x2a0 [ 190.959832] vfs_kern_mount.part.0+0x5b/0x470 [ 190.964306] do_mount+0xe53/0x2a00 [ 190.967823] ? do_raw_spin_unlock+0x164/0x220 [ 190.972307] ? copy_mount_string+0x40/0x40 [ 190.976522] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 190.981527] ? copy_mnt_ns+0xa30/0xa30 [ 190.985392] ? copy_mount_options+0x1fa/0x2f0 [ 190.989863] ? copy_mnt_ns+0xa30/0xa30 [ 190.993731] SyS_mount+0xa8/0x120 [ 190.997174] ? copy_mnt_ns+0xa30/0xa30 [ 191.001042] do_syscall_64+0x1d5/0x640 [ 191.004921] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 191.010086] RIP: 0033:0x44e51a [ 191.013251] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 191.021023] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 191.028269] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 191.035517] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 191.042780] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 191.050038] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 191.068870] CPU: 1 PID: 9031 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 191.076778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 191.086129] Call Trace: [ 191.088719] dump_stack+0x1b2/0x283 [ 191.092350] should_fail.cold+0x10a/0x154 [ 191.096528] should_failslab+0xd6/0x130 [ 191.100506] kmem_cache_alloc+0x28e/0x3c0 [ 191.104662] alloc_buffer_head+0x20/0x110 [ 191.108808] alloc_page_buffers+0xb3/0x1f0 [ 191.113043] __getblk_slow+0x2d6/0x7a0 [ 191.114418] FAULT_INJECTION: forcing a failure. [ 191.114418] name failslab, interval 1, probability 0, space 0, times 0 [ 191.116926] ? vfat_cmpi+0x3a0/0x3a0 [ 191.131788] __bread_gfp+0x206/0x2e0 [ 191.135511] fat_fill_super+0x2f9/0x31b0 [ 191.139596] ? vsnprintf+0x260/0x1340 [ 191.143391] ? fat_write_end+0x280/0x280 [ 191.147446] ? lock_downgrade+0x740/0x740 [ 191.151592] ? snprintf+0xa5/0xd0 [ 191.155058] ? vsprintf+0x30/0x30 [ 191.158508] ? ns_test_super+0x50/0x50 [ 191.162392] ? set_blocksize+0x125/0x380 [ 191.166452] mount_bdev+0x2b3/0x360 [ 191.170076] ? vfat_mount+0x40/0x40 [ 191.173699] mount_fs+0x92/0x2a0 [ 191.177065] vfs_kern_mount.part.0+0x5b/0x470 [ 191.181558] do_mount+0xe53/0x2a00 [ 191.186492] ? do_raw_spin_unlock+0x164/0x220 [ 191.190977] ? copy_mount_string+0x40/0x40 [ 191.195286] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 191.200296] ? copy_mnt_ns+0xa30/0xa30 [ 191.204180] ? copy_mount_options+0x1fa/0x2f0 [ 191.208658] ? copy_mnt_ns+0xa30/0xa30 [ 191.212530] SyS_mount+0xa8/0x120 [ 191.215967] ? copy_mnt_ns+0xa30/0xa30 [ 191.219837] do_syscall_64+0x1d5/0x640 [ 191.223745] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 191.228926] RIP: 0033:0x44e51a [ 191.232101] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 191.239794] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 191.247062] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 191.254312] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 191.262344] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 191.269598] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 191.277466] CPU: 0 PID: 9045 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 191.279052] FAULT_INJECTION: forcing a failure. [ 191.279052] name failslab, interval 1, probability 0, space 0, times 0 [ 191.285352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 191.285355] Call Trace: [ 191.285367] dump_stack+0x1b2/0x283 [ 191.285379] should_fail.cold+0x10a/0x154 [ 191.285389] should_failslab+0xd6/0x130 [ 191.285399] kmem_cache_alloc+0x28e/0x3c0 [ 191.285410] alloc_buffer_head+0x20/0x110 [ 191.285419] alloc_page_buffers+0xb3/0x1f0 [ 191.285430] __getblk_slow+0x2d6/0x7a0 [ 191.285445] ? vfat_cmpi+0x3a0/0x3a0 [ 191.285454] __bread_gfp+0x206/0x2e0 [ 191.285464] fat_fill_super+0x2f9/0x31b0 [ 191.285473] ? vsnprintf+0x260/0x1340 [ 191.285485] ? fat_write_end+0x280/0x280 [ 191.285493] ? lock_downgrade+0x740/0x740 [ 191.285501] ? snprintf+0xa5/0xd0 [ 191.285507] ? vsprintf+0x30/0x30 [ 191.285520] ? ns_test_super+0x50/0x50 [ 191.370708] ? set_blocksize+0x125/0x380 [ 191.374751] mount_bdev+0x2b3/0x360 [ 191.378357] ? vfat_mount+0x40/0x40 [ 191.381964] mount_fs+0x92/0x2a0 [ 191.385325] vfs_kern_mount.part.0+0x5b/0x470 [ 191.389801] do_mount+0xe53/0x2a00 [ 191.393324] ? copy_mount_string+0x40/0x40 [ 191.397538] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 191.402532] ? copy_mnt_ns+0xa30/0xa30 [ 191.406407] ? copy_mount_options+0x1fa/0x2f0 [ 191.410883] ? copy_mnt_ns+0xa30/0xa30 [ 191.414750] SyS_mount+0xa8/0x120 [ 191.418193] ? copy_mnt_ns+0xa30/0xa30 [ 191.422080] do_syscall_64+0x1d5/0x640 [ 191.425970] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 191.431158] RIP: 0033:0x44e51a [ 191.434332] RSP: 002b:00007f069ce2db28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 191.442022] RAX: ffffffffffffffda RBX: 00007f069ce2db30 RCX: 000000000044e51a [ 191.449270] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce2db30 [ 191.456631] RBP: 0000000000000005 R08: 00007f069ce2db70 R09: 6f6f6c2f7665642f [ 191.463904] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 [ 191.471157] R13: 0000000000000000 R14: 00007f069ce2db70 R15: 00007f069ce2e6d4 [ 191.478438] CPU: 1 PID: 9040 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 191.486368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 191.495811] Call Trace: [ 191.498492] dump_stack+0x1b2/0x283 [ 191.502122] should_fail.cold+0x10a/0x154 [ 191.506291] should_failslab+0xd6/0x130 [ 191.510276] kmem_cache_alloc+0x28e/0x3c0 [ 191.511982] FAT-fs (loop3): bogus number of reserved sectors [ 191.514417] alloc_buffer_head+0x20/0x110 [ 191.514426] alloc_page_buffers+0xb3/0x1f0 [ 191.514439] __getblk_slow+0x2d6/0x7a0 [ 191.514452] ? vfat_cmpi+0x3a0/0x3a0 [ 191.514460] __bread_gfp+0x206/0x2e0 [ 191.520389] FAT-fs (loop3): Can't find a valid FAT filesystem [ 191.524397] fat_fill_super+0x2f9/0x31b0 [ 191.524408] ? vsnprintf+0x260/0x1340 [ 191.524421] ? fat_write_end+0x280/0x280 [ 191.524430] ? lock_downgrade+0x740/0x740 [ 191.524439] ? snprintf+0xa5/0xd0 [ 191.565549] ? vsprintf+0x30/0x30 [ 191.568981] ? ns_test_super+0x50/0x50 [ 191.572857] ? set_blocksize+0x125/0x380 [ 191.576907] mount_bdev+0x2b3/0x360 [ 191.580627] ? vfat_mount+0x40/0x40 [ 191.584249] mount_fs+0x92/0x2a0 [ 191.587635] vfs_kern_mount.part.0+0x5b/0x470 [ 191.592131] do_mount+0xe53/0x2a00 [ 191.595655] ? copy_mount_string+0x40/0x40 [ 191.599882] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 191.604877] ? copy_mnt_ns+0xa30/0xa30 [ 191.608741] ? copy_mount_options+0x1fa/0x2f0 [ 191.613220] ? copy_mnt_ns+0xa30/0xa30 [ 191.617085] SyS_mount+0xa8/0x120 [ 191.620537] ? copy_mnt_ns+0xa30/0xa30 [ 191.624405] do_syscall_64+0x1d5/0x640 [ 191.628378] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 191.633544] RIP: 0033:0x44e51a [ 191.636709] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 191.644397] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 191.651651] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 191.658898] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 191.666147] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 191.673394] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 191.687019] FAT-fs (loop4): bogus number of reserved sectors [ 191.693235] FAT-fs (loop4): Can't find a valid FAT filesystem [ 191.710187] FAT-fs (loop1): bogus number of reserved sectors [ 191.711458] FAT-fs (loop5): bogus number of reserved sectors [ 191.716127] FAT-fs (loop1): Can't find a valid FAT filesystem [ 191.725573] FAT-fs (loop5): Can't find a valid FAT filesystem [ 191.736250] FAT-fs (loop2): bogus number of reserved sectors [ 191.742399] FAT-fs (loop2): Can't find a valid FAT filesystem executing program executing program [ 191.937417] FAULT_INJECTION: forcing a failure. [ 191.937417] name failslab, interval 1, probability 0, space 0, times 0 [ 191.941733] FAULT_INJECTION: forcing a failure. [ 191.941733] name failslab, interval 1, probability 0, space 0, times 0 [ 191.948946] CPU: 0 PID: 9066 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 191.968125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 191.977481] Call Trace: [ 191.980072] dump_stack+0x1b2/0x283 [ 191.983702] should_fail.cold+0x10a/0x154 [ 191.987851] ? mempool_free+0x1d0/0x1d0 [ 191.991823] should_failslab+0xd6/0x130 [ 191.995794] kmem_cache_alloc+0x40/0x3c0 [ 191.999838] ? mempool_free+0x1d0/0x1d0 [ 192.003789] mempool_alloc+0x10e/0x2d0 [ 192.007657] ? remove_element.isra.0+0x1b0/0x1b0 [ 192.012399] ? mark_held_locks+0xa6/0xf0 [ 192.016440] ? __find_get_block+0x817/0xc40 [ 192.020742] bio_alloc_bioset+0x41b/0x830 [ 192.024895] ? bvec_alloc+0x2d0/0x2d0 [ 192.028675] ? __getblk_slow+0x57f/0x7a0 [ 192.032716] submit_bh_wbc+0xf5/0x6f0 [ 192.036504] ? vfat_cmpi+0x3a0/0x3a0 [ 192.040211] __bread_gfp+0x11c/0x2e0 [ 192.043915] fat_fill_super+0x2f9/0x31b0 [ 192.047970] ? vsnprintf+0x260/0x1340 [ 192.051753] ? fat_write_end+0x280/0x280 [ 192.055794] ? lock_downgrade+0x740/0x740 [ 192.059923] ? snprintf+0xa5/0xd0 [ 192.063368] ? vsprintf+0x30/0x30 [ 192.066799] ? ns_test_super+0x50/0x50 [ 192.070679] ? set_blocksize+0x125/0x380 [ 192.074738] mount_bdev+0x2b3/0x360 [ 192.078359] ? vfat_mount+0x40/0x40 [ 192.081982] mount_fs+0x92/0x2a0 [ 192.085363] vfs_kern_mount.part.0+0x5b/0x470 [ 192.089848] do_mount+0xe53/0x2a00 [ 192.093381] ? copy_mount_string+0x40/0x40 [ 192.097609] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 192.102656] ? copy_mnt_ns+0xa30/0xa30 [ 192.106536] ? copy_mount_options+0x1fa/0x2f0 [ 192.111016] ? copy_mnt_ns+0xa30/0xa30 [ 192.114884] SyS_mount+0xa8/0x120 [ 192.118321] ? copy_mnt_ns+0xa30/0xa30 [ 192.122193] do_syscall_64+0x1d5/0x640 [ 192.126066] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 192.131232] RIP: 0033:0x44e51a executing program [ 192.134399] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 192.142108] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 192.149355] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 192.156606] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 192.163852] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 192.171103] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 192.178376] CPU: 1 PID: 9062 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 executing program executing program [ 192.184186] FAT-fs (loop0): bogus number of reserved sectors [ 192.186253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 192.186257] Call Trace: [ 192.186269] dump_stack+0x1b2/0x283 [ 192.186281] should_fail.cold+0x10a/0x154 [ 192.194972] FAT-fs (loop0): Can't find a valid FAT filesystem [ 192.201403] should_failslab+0xd6/0x130 [ 192.201413] kmem_cache_alloc+0x28e/0x3c0 [ 192.201424] alloc_buffer_head+0x20/0x110 [ 192.201432] alloc_page_buffers+0xb3/0x1f0 [ 192.201442] __getblk_slow+0x2d6/0x7a0 [ 192.201456] ? vfat_cmpi+0x3a0/0x3a0 [ 192.201470] __bread_gfp+0x206/0x2e0 [ 192.206694] FAT-fs (loop4): bogus number of reserved sectors [ 192.207645] fat_fill_super+0x2f9/0x31b0 [ 192.207655] ? vsnprintf+0x260/0x1340 [ 192.207666] ? fat_write_end+0x280/0x280 [ 192.211967] FAT-fs (loop4): Can't find a valid FAT filesystem [ 192.217670] ? lock_downgrade+0x740/0x740 [ 192.217681] ? snprintf+0xa5/0xd0 [ 192.217689] ? vsprintf+0x30/0x30 [ 192.226448] FAULT_INJECTION: forcing a failure. [ 192.226448] name failslab, interval 1, probability 0, space 0, times 0 [ 192.230210] ? ns_test_super+0x50/0x50 [ 192.230220] ? set_blocksize+0x125/0x380 [ 192.230232] mount_bdev+0x2b3/0x360 [ 192.230241] ? vfat_mount+0x40/0x40 [ 192.230248] mount_fs+0x92/0x2a0 [ 192.230260] vfs_kern_mount.part.0+0x5b/0x470 [ 192.230269] do_mount+0xe53/0x2a00 [ 192.230282] ? copy_mount_string+0x40/0x40 [ 192.230290] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 192.230298] ? copy_mnt_ns+0xa30/0xa30 [ 192.331141] ? copy_mount_options+0x1fa/0x2f0 [ 192.335629] ? copy_mnt_ns+0xa30/0xa30 [ 192.339499] SyS_mount+0xa8/0x120 [ 192.342929] ? copy_mnt_ns+0xa30/0xa30 [ 192.346812] do_syscall_64+0x1d5/0x640 [ 192.350707] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 192.355878] RIP: 0033:0x44e51a [ 192.359063] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 192.366749] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 192.373998] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 192.381261] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 192.388523] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 192.395787] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 192.408866] FAULT_INJECTION: forcing a failure. [ 192.408866] name failslab, interval 1, probability 0, space 0, times 0 [ 192.416205] CPU: 0 PID: 9082 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 192.427949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 192.437332] Call Trace: [ 192.439905] dump_stack+0x1b2/0x283 [ 192.443514] should_fail.cold+0x10a/0x154 [ 192.447656] should_failslab+0xd6/0x130 [ 192.451611] kmem_cache_alloc+0x28e/0x3c0 [ 192.455742] alloc_buffer_head+0x20/0x110 [ 192.459884] alloc_page_buffers+0xb3/0x1f0 [ 192.464244] __getblk_slow+0x2d6/0x7a0 [ 192.468143] ? vfat_cmpi+0x3a0/0x3a0 [ 192.471854] __bread_gfp+0x206/0x2e0 [ 192.475582] fat_fill_super+0x2f9/0x31b0 [ 192.479627] ? vsnprintf+0x260/0x1340 [ 192.483414] ? fat_write_end+0x280/0x280 [ 192.487471] ? lock_downgrade+0x740/0x740 [ 192.491626] ? snprintf+0xa5/0xd0 [ 192.495071] ? vsprintf+0x30/0x30 [ 192.498509] ? ns_test_super+0x50/0x50 [ 192.502379] ? set_blocksize+0x125/0x380 [ 192.506418] mount_bdev+0x2b3/0x360 [ 192.510020] ? vfat_mount+0x40/0x40 [ 192.513626] mount_fs+0x92/0x2a0 [ 192.516976] vfs_kern_mount.part.0+0x5b/0x470 [ 192.521974] do_mount+0xe53/0x2a00 [ 192.525494] ? do_raw_spin_unlock+0x164/0x220 [ 192.529971] ? copy_mount_string+0x40/0x40 [ 192.534289] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 192.539300] ? copy_mnt_ns+0xa30/0xa30 [ 192.543167] ? copy_mount_options+0x1fa/0x2f0 [ 192.547652] ? copy_mnt_ns+0xa30/0xa30 [ 192.551522] SyS_mount+0xa8/0x120 [ 192.554969] ? copy_mnt_ns+0xa30/0xa30 [ 192.558844] do_syscall_64+0x1d5/0x640 [ 192.562722] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 192.567892] RIP: 0033:0x44e51a [ 192.571064] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 192.578758] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a executing program [ 192.586110] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 192.593371] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 192.600796] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 192.608043] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 192.615325] CPU: 1 PID: 9074 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 192.623209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 192.632732] Call Trace: [ 192.635310] dump_stack+0x1b2/0x283 [ 192.638919] should_fail.cold+0x10a/0x154 [ 192.643047] should_failslab+0xd6/0x130 [ 192.647000] kmem_cache_alloc+0x28e/0x3c0 [ 192.651136] alloc_buffer_head+0x20/0x110 [ 192.655263] alloc_page_buffers+0xb3/0x1f0 [ 192.659477] __getblk_slow+0x2d6/0x7a0 [ 192.663360] ? vfat_cmpi+0x3a0/0x3a0 [ 192.667051] __bread_gfp+0x206/0x2e0 [ 192.670743] fat_fill_super+0x2f9/0x31b0 [ 192.674782] ? vsnprintf+0x260/0x1340 [ 192.678565] ? fat_write_end+0x280/0x280 [ 192.682614] ? lock_downgrade+0x740/0x740 [ 192.686741] ? snprintf+0xa5/0xd0 [ 192.690170] ? vsprintf+0x30/0x30 [ 192.693601] ? ns_test_super+0x50/0x50 [ 192.697467] ? set_blocksize+0x125/0x380 [ 192.701520] mount_bdev+0x2b3/0x360 [ 192.705127] ? vfat_mount+0x40/0x40 [ 192.708742] mount_fs+0x92/0x2a0 [ 192.712109] vfs_kern_mount.part.0+0x5b/0x470 [ 192.716606] do_mount+0xe53/0x2a00 [ 192.720129] ? copy_mount_string+0x40/0x40 [ 192.724343] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 192.729347] ? copy_mnt_ns+0xa30/0xa30 [ 192.733214] ? copy_mount_options+0x1fa/0x2f0 [ 192.737684] ? copy_mnt_ns+0xa30/0xa30 [ 192.741551] SyS_mount+0xa8/0x120 [ 192.744985] ? copy_mnt_ns+0xa30/0xa30 [ 192.749029] do_syscall_64+0x1d5/0x640 [ 192.752900] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 192.758072] RIP: 0033:0x44e51a [ 192.761254] RSP: 002b:00007f069ce2db28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 192.769028] RAX: ffffffffffffffda RBX: 00007f069ce2db30 RCX: 000000000044e51a [ 192.776288] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce2db30 [ 192.783555] RBP: 0000000000000005 R08: 00007f069ce2db70 R09: 6f6f6c2f7665642f [ 192.790803] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 [ 192.798051] R13: 0000000000000000 R14: 00007f069ce2db70 R15: 00007f069ce2e6d4 [ 192.805419] FAULT_INJECTION: forcing a failure. [ 192.805419] name failslab, interval 1, probability 0, space 0, times 0 [ 192.808625] FAULT_INJECTION: forcing a failure. [ 192.808625] name failslab, interval 1, probability 0, space 0, times 0 [ 192.843411] CPU: 1 PID: 9096 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 192.851316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 192.862418] Call Trace: [ 192.864993] dump_stack+0x1b2/0x283 [ 192.868602] should_fail.cold+0x10a/0x154 [ 192.872796] should_failslab+0xd6/0x130 [ 192.876809] kmem_cache_alloc+0x28e/0x3c0 [ 192.880956] alloc_buffer_head+0x20/0x110 [ 192.885088] alloc_page_buffers+0xb3/0x1f0 [ 192.889305] __getblk_slow+0x2d6/0x7a0 [ 192.893176] ? vfat_cmpi+0x3a0/0x3a0 [ 192.896873] __bread_gfp+0x206/0x2e0 [ 192.900575] fat_fill_super+0x2f9/0x31b0 [ 192.904639] ? vsnprintf+0x260/0x1340 [ 192.908422] ? fat_write_end+0x280/0x280 [ 192.912468] ? lock_downgrade+0x740/0x740 [ 192.916597] ? snprintf+0xa5/0xd0 [ 192.920029] ? vsprintf+0x30/0x30 [ 192.923464] ? ns_test_super+0x50/0x50 [ 192.927329] ? set_blocksize+0x125/0x380 [ 192.931372] mount_bdev+0x2b3/0x360 [ 192.934977] ? vfat_mount+0x40/0x40 [ 192.938590] mount_fs+0x92/0x2a0 [ 192.941940] vfs_kern_mount.part.0+0x5b/0x470 [ 192.946417] do_mount+0xe53/0x2a00 [ 192.949960] ? copy_mount_string+0x40/0x40 [ 192.954177] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 192.959177] ? copy_mnt_ns+0xa30/0xa30 [ 192.963058] ? copy_mount_options+0x1fa/0x2f0 [ 192.967530] ? copy_mnt_ns+0xa30/0xa30 [ 192.971399] SyS_mount+0xa8/0x120 [ 192.974919] ? copy_mnt_ns+0xa30/0xa30 [ 192.978787] do_syscall_64+0x1d5/0x640 [ 192.982672] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 192.987840] RIP: 0033:0x44e51a [ 192.991007] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 192.998695] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 193.005944] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 193.013220] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 193.020572] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 193.027819] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 193.035185] CPU: 0 PID: 9079 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 193.040948] FAT-fs (loop1): bogus number of reserved sectors [ 193.043185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 193.043221] Call Trace: [ 193.043236] dump_stack+0x1b2/0x283 [ 193.043249] should_fail.cold+0x10a/0x154 [ 193.049682] FAT-fs (loop1): Can't find a valid FAT filesystem [ 193.058383] ? _find_next_bit+0xdb/0x100 [ 193.058395] should_failslab+0xd6/0x130 [ 193.058404] kmem_cache_alloc+0x40/0x3c0 [ 193.058414] __debug_object_init+0x578/0x7a0 [ 193.058426] ? debug_object_destroy+0x240/0x240 [ 193.058435] ? _find_next_bit+0xdb/0x100 [ 193.058445] __init_work+0x3f/0x50 [ 193.058455] lru_add_drain_all_cpuslocked+0x1c8/0x450 [ 193.058462] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 193.058471] lru_add_drain_all+0xf/0x20 [ 193.120508] invalidate_bdev+0x8a/0xc0 [ 193.124465] loop_clr_fd+0x4c8/0xc20 [ 193.128161] lo_ioctl+0x895/0x1cd0 [ 193.131680] ? kasan_slab_free+0x12d/0x1a0 [ 193.135985] ? loop_set_status64+0xe0/0xe0 [ 193.140200] blkdev_ioctl+0x540/0x1830 [ 193.144064] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 193.149419] ? blkpg_ioctl+0x8d0/0x8d0 [ 193.153286] ? lock_downgrade+0x740/0x740 [ 193.157425] ? trace_hardirqs_on+0x10/0x10 [ 193.161639] ? debug_check_no_obj_freed+0x2c0/0x674 [ 193.166656] ? lock_acquire+0x170/0x3f0 [ 193.170610] block_ioctl+0xd9/0x120 [ 193.174216] ? blkdev_fallocate+0x3a0/0x3a0 [ 193.178521] do_vfs_ioctl+0x75a/0xff0 [ 193.182393] ? ioctl_preallocate+0x1a0/0x1a0 [ 193.186788] ? lock_downgrade+0x740/0x740 [ 193.190927] ? __fget+0x225/0x360 [ 193.194374] ? do_vfs_ioctl+0xff0/0xff0 [ 193.198327] ? security_file_ioctl+0x83/0xb0 [ 193.202713] SyS_ioctl+0x7f/0xb0 [ 193.206055] ? do_vfs_ioctl+0xff0/0xff0 [ 193.210007] do_syscall_64+0x1d5/0x640 [ 193.213878] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 193.219044] RIP: 0033:0x44b9d7 [ 193.222225] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 193.229927] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000044b9d7 [ 193.237182] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000007 [ 193.244461] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 193.251718] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 193.258977] R13: 0000000000000016 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 193.271437] FAT-fs (loop3): bogus number of reserved sectors [ 193.277436] FAT-fs (loop3): Can't find a valid FAT filesystem [ 193.288641] FAT-fs (loop2): bogus number of reserved sectors executing program [ 193.294982] FAT-fs (loop2): Can't find a valid FAT filesystem [ 193.308282] FAT-fs (loop5): bogus number of reserved sectors [ 193.323781] FAT-fs (loop5): Can't find a valid FAT filesystem executing program [ 193.415337] FAULT_INJECTION: forcing a failure. [ 193.415337] name failslab, interval 1, probability 0, space 0, times 0 [ 193.426997] CPU: 1 PID: 9111 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 193.434886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 193.438878] FAULT_INJECTION: forcing a failure. [ 193.438878] name failslab, interval 1, probability 0, space 0, times 0 [ 193.444232] Call Trace: [ 193.444246] dump_stack+0x1b2/0x283 [ 193.444257] should_fail.cold+0x10a/0x154 [ 193.444268] ? mempool_free+0x1d0/0x1d0 [ 193.444276] should_failslab+0xd6/0x130 [ 193.444285] kmem_cache_alloc+0x40/0x3c0 [ 193.444294] ? mempool_free+0x1d0/0x1d0 [ 193.444299] mempool_alloc+0x10e/0x2d0 [ 193.444309] ? remove_element.isra.0+0x1b0/0x1b0 [ 193.444319] ? mark_held_locks+0xa6/0xf0 [ 193.444331] ? __find_get_block+0x817/0xc40 [ 193.499500] bio_alloc_bioset+0x41b/0x830 [ 193.503636] ? bvec_alloc+0x2d0/0x2d0 [ 193.507420] ? __getblk_slow+0x57f/0x7a0 [ 193.511462] submit_bh_wbc+0xf5/0x6f0 [ 193.515245] ? vfat_cmpi+0x3a0/0x3a0 [ 193.518950] __bread_gfp+0x11c/0x2e0 [ 193.522654] fat_fill_super+0x2f9/0x31b0 [ 193.526696] ? vsnprintf+0x260/0x1340 [ 193.530487] ? fat_write_end+0x280/0x280 [ 193.534531] ? lock_downgrade+0x740/0x740 [ 193.538683] ? snprintf+0xa5/0xd0 [ 193.542808] ? vsprintf+0x30/0x30 [ 193.546243] ? ns_test_super+0x50/0x50 [ 193.550121] ? set_blocksize+0x125/0x380 [ 193.554167] mount_bdev+0x2b3/0x360 [ 193.557787] ? vfat_mount+0x40/0x40 [ 193.561409] mount_fs+0x92/0x2a0 [ 193.564768] vfs_kern_mount.part.0+0x5b/0x470 [ 193.569247] do_mount+0xe53/0x2a00 [ 193.572785] ? copy_mount_string+0x40/0x40 [ 193.577014] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 193.582027] ? copy_mnt_ns+0xa30/0xa30 [ 193.585908] ? copy_mount_options+0x1fa/0x2f0 [ 193.590398] ? copy_mnt_ns+0xa30/0xa30 [ 193.594272] SyS_mount+0xa8/0x120 [ 193.597705] ? copy_mnt_ns+0xa30/0xa30 [ 193.601608] do_syscall_64+0x1d5/0x640 [ 193.605496] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 193.610684] RIP: 0033:0x44e51a executing program [ 193.613853] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 193.621633] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 193.628896] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 193.636154] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 193.643412] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 193.650675] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 executing program [ 193.669563] CPU: 0 PID: 9116 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 193.671324] FAT-fs (loop3): bogus number of reserved sectors [ 193.677488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 193.677497] Call Trace: [ 193.677511] dump_stack+0x1b2/0x283 [ 193.677526] should_fail.cold+0x10a/0x154 [ 193.683413] FAT-fs (loop3): Can't find a valid FAT filesystem [ 193.692671] should_failslab+0xd6/0x130 [ 193.692683] kmem_cache_alloc+0x28e/0x3c0 [ 193.692693] alloc_buffer_head+0x20/0x110 [ 193.692700] alloc_page_buffers+0xb3/0x1f0 [ 193.692711] __getblk_slow+0x2d6/0x7a0 [ 193.692724] ? vfat_cmpi+0x3a0/0x3a0 [ 193.692733] __bread_gfp+0x206/0x2e0 [ 193.699500] FAULT_INJECTION: forcing a failure. [ 193.699500] name failslab, interval 1, probability 0, space 0, times 0 [ 193.703043] fat_fill_super+0x2f9/0x31b0 [ 193.703052] ? vsnprintf+0x260/0x1340 [ 193.703063] ? fat_write_end+0x280/0x280 [ 193.703072] ? lock_downgrade+0x740/0x740 [ 193.703081] ? snprintf+0xa5/0xd0 [ 193.767154] ? vsprintf+0x30/0x30 [ 193.770588] ? ns_test_super+0x50/0x50 [ 193.774459] ? set_blocksize+0x125/0x380 [ 193.778512] mount_bdev+0x2b3/0x360 [ 193.782141] ? vfat_mount+0x40/0x40 [ 193.785746] mount_fs+0x92/0x2a0 [ 193.789616] vfs_kern_mount.part.0+0x5b/0x470 [ 193.794096] do_mount+0xe53/0x2a00 [ 193.797624] ? do_raw_spin_unlock+0x164/0x220 [ 193.802099] ? copy_mount_string+0x40/0x40 [ 193.806316] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 193.811748] ? copy_mnt_ns+0xa30/0xa30 [ 193.815649] ? copy_mount_options+0x1fa/0x2f0 [ 193.820127] ? copy_mnt_ns+0xa30/0xa30 [ 193.824010] SyS_mount+0xa8/0x120 [ 193.827459] ? copy_mnt_ns+0xa30/0xa30 [ 193.831328] do_syscall_64+0x1d5/0x640 [ 193.835212] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 193.840399] RIP: 0033:0x44e51a [ 193.843569] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 193.851266] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 193.858527] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 193.865865] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 193.873113] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 193.880360] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 193.887632] CPU: 1 PID: 9126 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 193.895518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 193.904879] Call Trace: [ 193.907467] dump_stack+0x1b2/0x283 [ 193.911155] should_fail.cold+0x10a/0x154 [ 193.915303] should_failslab+0xd6/0x130 [ 193.919276] kmem_cache_alloc+0x28e/0x3c0 [ 193.923422] alloc_buffer_head+0x20/0x110 [ 193.927568] alloc_page_buffers+0xb3/0x1f0 [ 193.931806] __getblk_slow+0x2d6/0x7a0 [ 193.935699] ? vfat_cmpi+0x3a0/0x3a0 [ 193.939433] __bread_gfp+0x206/0x2e0 [ 193.943147] fat_fill_super+0x2f9/0x31b0 [ 193.947205] ? vsnprintf+0x260/0x1340 [ 193.951009] ? fat_write_end+0x280/0x280 [ 193.955073] ? lock_downgrade+0x740/0x740 [ 193.959232] ? snprintf+0xa5/0xd0 [ 193.962684] ? vsprintf+0x30/0x30 [ 193.963689] FAT-fs (loop4): bogus number of reserved sectors [ 193.966131] ? ns_test_super+0x50/0x50 [ 193.966141] ? set_blocksize+0x125/0x380 [ 193.966151] mount_bdev+0x2b3/0x360 [ 193.972028] FAT-fs (loop4): Can't find a valid FAT filesystem [ 193.975842] ? vfat_mount+0x40/0x40 [ 193.975852] mount_fs+0x92/0x2a0 [ 193.975866] vfs_kern_mount.part.0+0x5b/0x470 [ 194.000800] do_mount+0xe53/0x2a00 [ 194.004335] ? do_raw_spin_unlock+0x164/0x220 [ 194.008821] ? copy_mount_string+0x40/0x40 [ 194.013033] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 194.018040] ? copy_mnt_ns+0xa30/0xa30 [ 194.021906] ? copy_mount_options+0x1fa/0x2f0 [ 194.026385] ? copy_mnt_ns+0xa30/0xa30 [ 194.030251] SyS_mount+0xa8/0x120 [ 194.033688] ? copy_mnt_ns+0xa30/0xa30 [ 194.037555] do_syscall_64+0x1d5/0x640 [ 194.041599] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 194.046767] RIP: 0033:0x44e51a [ 194.049933] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 194.057618] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a executing program executing program executing program [ 194.064877] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 194.072122] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 194.079370] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 194.086621] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 194.118459] FAULT_INJECTION: forcing a failure. [ 194.118459] name failslab, interval 1, probability 0, space 0, times 0 [ 194.132294] FAULT_INJECTION: forcing a failure. [ 194.132294] name failslab, interval 1, probability 0, space 0, times 0 [ 194.134344] CPU: 1 PID: 9137 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 194.145543] FAULT_INJECTION: forcing a failure. [ 194.145543] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 194.151371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 194.151375] Call Trace: [ 194.151387] dump_stack+0x1b2/0x283 [ 194.151399] should_fail.cold+0x10a/0x154 [ 194.151410] should_failslab+0xd6/0x130 [ 194.151420] kmem_cache_alloc+0x28e/0x3c0 [ 194.151429] alloc_buffer_head+0x20/0x110 [ 194.151440] alloc_page_buffers+0xb3/0x1f0 [ 194.198736] __getblk_slow+0x2d6/0x7a0 [ 194.202626] ? vfat_cmpi+0x3a0/0x3a0 [ 194.206329] __bread_gfp+0x206/0x2e0 [ 194.210061] fat_fill_super+0x2f9/0x31b0 [ 194.214119] ? vsnprintf+0x260/0x1340 [ 194.217932] ? fat_write_end+0x280/0x280 [ 194.221987] ? lock_downgrade+0x740/0x740 [ 194.226130] ? snprintf+0xa5/0xd0 [ 194.229581] ? vsprintf+0x30/0x30 [ 194.233035] ? ns_test_super+0x50/0x50 [ 194.236923] ? set_blocksize+0x125/0x380 [ 194.241019] mount_bdev+0x2b3/0x360 [ 194.244641] ? vfat_mount+0x40/0x40 [ 194.248281] mount_fs+0x92/0x2a0 [ 194.251635] vfs_kern_mount.part.0+0x5b/0x470 [ 194.256125] do_mount+0xe53/0x2a00 [ 194.259659] ? copy_mount_string+0x40/0x40 [ 194.263894] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 194.268908] ? copy_mnt_ns+0xa30/0xa30 [ 194.272799] ? copy_mount_options+0x1fa/0x2f0 [ 194.277376] ? copy_mnt_ns+0xa30/0xa30 [ 194.281264] SyS_mount+0xa8/0x120 [ 194.284714] ? copy_mnt_ns+0xa30/0xa30 [ 194.285476] FAULT_INJECTION: forcing a failure. [ 194.285476] name failslab, interval 1, probability 0, space 0, times 0 [ 194.288591] do_syscall_64+0x1d5/0x640 [ 194.303666] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 194.308836] RIP: 0033:0x44e51a [ 194.312009] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 194.319711] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 194.326964] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 194.334231] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 194.341482] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 194.348749] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 194.356034] CPU: 0 PID: 9150 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 194.361794] FAT-fs (loop0): bogus number of reserved sectors [ 194.363914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 194.363918] Call Trace: [ 194.363932] dump_stack+0x1b2/0x283 [ 194.363944] should_fail.cold+0x10a/0x154 [ 194.363956] should_failslab+0xd6/0x130 [ 194.369816] FAT-fs (loop0): Can't find a valid FAT filesystem [ 194.379084] kmem_cache_alloc+0x28e/0x3c0 [ 194.379096] alloc_buffer_head+0x20/0x110 [ 194.379104] alloc_page_buffers+0xb3/0x1f0 [ 194.379116] __getblk_slow+0x2d6/0x7a0 [ 194.415571] ? vfat_cmpi+0x3a0/0x3a0 [ 194.419265] __bread_gfp+0x206/0x2e0 [ 194.422958] fat_fill_super+0x2f9/0x31b0 [ 194.426998] ? vsnprintf+0x260/0x1340 [ 194.430779] ? fat_write_end+0x280/0x280 [ 194.434816] ? lock_downgrade+0x740/0x740 [ 194.438941] ? snprintf+0xa5/0xd0 [ 194.442372] ? vsprintf+0x30/0x30 [ 194.445823] ? ns_test_super+0x50/0x50 [ 194.449695] ? set_blocksize+0x125/0x380 [ 194.453741] mount_bdev+0x2b3/0x360 [ 194.457352] ? vfat_mount+0x40/0x40 [ 194.460978] mount_fs+0x92/0x2a0 [ 194.464334] vfs_kern_mount.part.0+0x5b/0x470 [ 194.468812] do_mount+0xe53/0x2a00 [ 194.472354] ? do_raw_spin_unlock+0x164/0x220 [ 194.476919] ? copy_mount_string+0x40/0x40 [ 194.481132] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 194.486131] ? copy_mnt_ns+0xa30/0xa30 [ 194.490000] ? copy_mount_options+0x1fa/0x2f0 [ 194.494472] ? copy_mnt_ns+0xa30/0xa30 [ 194.498349] SyS_mount+0xa8/0x120 [ 194.501780] ? copy_mnt_ns+0xa30/0xa30 [ 194.505652] do_syscall_64+0x1d5/0x640 [ 194.509523] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 194.515314] RIP: 0033:0x44e51a [ 194.518481] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 194.526170] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 194.533425] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 194.540758] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 194.548005] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 194.555252] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 194.567700] FAT-fs (loop2): bogus number of reserved sectors [ 194.573725] CPU: 0 PID: 9139 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 194.574352] FAT-fs (loop2): Can't find a valid FAT filesystem [ 194.581620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 194.581623] Call Trace: [ 194.581637] dump_stack+0x1b2/0x283 [ 194.581650] should_fail.cold+0x10a/0x154 [ 194.581663] should_failslab+0xd6/0x130 [ 194.581674] kmem_cache_alloc+0x28e/0x3c0 [ 194.581683] alloc_buffer_head+0x20/0x110 [ 194.581691] alloc_page_buffers+0xb3/0x1f0 [ 194.581700] __getblk_slow+0x2d6/0x7a0 [ 194.581714] ? vfat_cmpi+0x3a0/0x3a0 [ 194.581721] __bread_gfp+0x206/0x2e0 [ 194.581729] fat_fill_super+0x2f9/0x31b0 [ 194.581738] ? vsnprintf+0x260/0x1340 [ 194.581750] ? fat_write_end+0x280/0x280 [ 194.581759] ? lock_downgrade+0x740/0x740 [ 194.581769] ? snprintf+0xa5/0xd0 [ 194.581775] ? vsprintf+0x30/0x30 [ 194.581785] ? ns_test_super+0x50/0x50 [ 194.581792] ? set_blocksize+0x125/0x380 [ 194.581804] mount_bdev+0x2b3/0x360 [ 194.581810] ? vfat_mount+0x40/0x40 [ 194.581818] mount_fs+0x92/0x2a0 [ 194.581830] vfs_kern_mount.part.0+0x5b/0x470 [ 194.581841] do_mount+0xe53/0x2a00 [ 194.581851] ? do_raw_spin_unlock+0x164/0x220 [ 194.581863] ? copy_mount_string+0x40/0x40 [ 194.581871] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 194.581879] ? copy_mnt_ns+0xa30/0xa30 [ 194.581888] ? copy_mount_options+0x1fa/0x2f0 [ 194.581894] ? copy_mnt_ns+0xa30/0xa30 [ 194.581903] SyS_mount+0xa8/0x120 [ 194.581910] ? copy_mnt_ns+0xa30/0xa30 [ 194.581920] do_syscall_64+0x1d5/0x640 [ 194.581934] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 194.581939] RIP: 0033:0x44e51a [ 194.581946] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 [ 194.620108] FAT-fs (loop3): bogus number of reserved sectors [ 194.623903] ORIG_RAX: 00000000000000a5 [ 194.623909] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 194.623914] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 194.623918] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 194.623922] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 194.623926] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 194.625044] CPU: 0 PID: 9141 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 194.632577] FAT-fs (loop3): Can't find a valid FAT filesystem [ 194.635296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 194.635299] Call Trace: [ 194.635314] dump_stack+0x1b2/0x283 [ 194.635327] should_fail.cold+0x10a/0x154 [ 194.635340] should_failslab+0xd6/0x130 [ 194.635349] kmem_cache_alloc+0x28e/0x3c0 [ 194.635360] alloc_buffer_head+0x20/0x110 [ 194.649095] FAT-fs (loop5): bogus number of reserved sectors [ 194.652681] alloc_page_buffers+0xb3/0x1f0 [ 194.652694] __getblk_slow+0x2d6/0x7a0 [ 194.652710] ? vfat_cmpi+0x3a0/0x3a0 [ 194.652718] __bread_gfp+0x206/0x2e0 [ 194.652726] fat_fill_super+0x2f9/0x31b0 [ 194.652735] ? vsnprintf+0x260/0x1340 [ 194.652745] ? fat_write_end+0x280/0x280 [ 194.652755] ? lock_downgrade+0x740/0x740 [ 194.656292] FAT-fs (loop5): Can't find a valid FAT filesystem [ 194.659637] ? snprintf+0xa5/0xd0 [ 194.659644] ? vsprintf+0x30/0x30 [ 194.659655] ? ns_test_super+0x50/0x50 [ 194.659665] ? set_blocksize+0x125/0x380 [ 194.659677] mount_bdev+0x2b3/0x360 [ 194.659683] ? vfat_mount+0x40/0x40 [ 194.659691] mount_fs+0x92/0x2a0 [ 194.659703] vfs_kern_mount.part.0+0x5b/0x470 [ 194.659713] do_mount+0xe53/0x2a00 [ 194.659724] ? do_raw_spin_unlock+0x164/0x220 [ 194.909703] ? copy_mount_string+0x40/0x40 [ 194.913937] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 194.918946] ? copy_mnt_ns+0xa30/0xa30 [ 194.922819] ? copy_mount_options+0x1fa/0x2f0 [ 194.927292] ? copy_mnt_ns+0xa30/0xa30 [ 194.931160] SyS_mount+0xa8/0x120 [ 194.934594] ? copy_mnt_ns+0xa30/0xa30 [ 194.938565] do_syscall_64+0x1d5/0x640 [ 194.942446] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 194.947704] RIP: 0033:0x44e51a [ 194.950874] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 194.958650] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 194.965898] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 194.973145] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 194.980393] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 194.987640] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 195.002810] FAT-fs (loop1): bogus number of reserved sectors [ 195.008696] FAT-fs (loop1): Can't find a valid FAT filesystem executing program executing program [ 195.114089] FAULT_INJECTION: forcing a failure. [ 195.114089] name failslab, interval 1, probability 0, space 0, times 0 [ 195.125577] CPU: 1 PID: 9164 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 195.133562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 195.142897] Call Trace: [ 195.145476] dump_stack+0x1b2/0x283 [ 195.149093] should_fail.cold+0x10a/0x154 [ 195.153223] should_failslab+0xd6/0x130 [ 195.157177] kmem_cache_alloc_node+0x54/0x410 [ 195.161709] create_task_io_context+0x2a/0x3c0 [ 195.166270] generic_make_request_checks+0x1350/0x19f0 [ 195.171527] ? mempool_alloc+0x10e/0x2d0 [ 195.175569] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 195.181004] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 195.185394] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 195.190391] ? trace_hardirqs_on+0x10/0x10 [ 195.194630] generic_make_request+0x67/0x850 [ 195.199019] ? remove_element.isra.0+0x1b0/0x1b0 [ 195.203760] ? blk_queue_exit+0x1d0/0x1d0 [ 195.207887] ? mark_held_locks+0xa6/0xf0 [ 195.211928] ? guard_bio_eod+0x15c/0x520 [ 195.215967] submit_bio+0x234/0x390 [ 195.219575] ? generic_make_request+0x850/0x850 [ 195.224230] ? guard_bio_eod+0x183/0x520 [ 195.228270] ? bio_add_page+0x96/0xe0 [ 195.232052] submit_bh_wbc+0x526/0x6f0 [ 195.235923] ? vfat_cmpi+0x3a0/0x3a0 [ 195.239637] __bread_gfp+0x11c/0x2e0 [ 195.243897] fat_fill_super+0x2f9/0x31b0 [ 195.248045] ? vsnprintf+0x260/0x1340 [ 195.251920] ? fat_write_end+0x280/0x280 [ 195.255978] ? lock_downgrade+0x740/0x740 [ 195.260112] ? snprintf+0xa5/0xd0 [ 195.263574] ? vsprintf+0x30/0x30 [ 195.267027] ? ns_test_super+0x50/0x50 [ 195.270905] ? set_blocksize+0x125/0x380 [ 195.274952] mount_bdev+0x2b3/0x360 [ 195.278564] ? vfat_mount+0x40/0x40 [ 195.282183] mount_fs+0x92/0x2a0 [ 195.285531] vfs_kern_mount.part.0+0x5b/0x470 [ 195.290003] do_mount+0xe53/0x2a00 [ 195.293523] ? copy_mount_string+0x40/0x40 [ 195.297734] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 195.302743] ? copy_mnt_ns+0xa30/0xa30 [ 195.306614] ? copy_mount_options+0x1fa/0x2f0 [ 195.311172] ? copy_mnt_ns+0xa30/0xa30 [ 195.315047] SyS_mount+0xa8/0x120 [ 195.318477] ? copy_mnt_ns+0xa30/0xa30 [ 195.322344] do_syscall_64+0x1d5/0x640 [ 195.326222] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 195.331390] RIP: 0033:0x44e51a [ 195.334558] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 195.342354] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 195.349682] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 195.356947] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f executing program executing program executing program executing program executing program [ 195.364264] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 195.371568] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 195.380333] FAT-fs (loop4): bogus number of reserved sectors [ 195.386206] FAT-fs (loop4): Can't find a valid FAT filesystem [ 195.418442] FAULT_INJECTION: forcing a failure. [ 195.418442] name failslab, interval 1, probability 0, space 0, times 0 [ 195.418566] FAULT_INJECTION: forcing a failure. [ 195.418566] name failslab, interval 1, probability 0, space 0, times 0 [ 195.435197] FAULT_INJECTION: forcing a failure. [ 195.435197] name failslab, interval 1, probability 0, space 0, times 0 [ 195.441386] CPU: 0 PID: 9180 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 195.441395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 195.460279] FAULT_INJECTION: forcing a failure. [ 195.460279] name failslab, interval 1, probability 0, space 0, times 0 [ 195.460446] Call Trace: [ 195.483709] dump_stack+0x1b2/0x283 [ 195.487356] should_fail.cold+0x10a/0x154 [ 195.491500] should_failslab+0xd6/0x130 [ 195.495469] kmem_cache_alloc+0x28e/0x3c0 [ 195.499632] alloc_buffer_head+0x20/0x110 [ 195.503770] alloc_page_buffers+0xb3/0x1f0 [ 195.508009] __getblk_slow+0x2d6/0x7a0 [ 195.511904] ? vfat_cmpi+0x3a0/0x3a0 [ 195.515635] __bread_gfp+0x206/0x2e0 [ 195.519340] fat_fill_super+0x2f9/0x31b0 [ 195.523401] ? vsnprintf+0x260/0x1340 [ 195.527213] ? fat_write_end+0x280/0x280 [ 195.531262] ? lock_downgrade+0x740/0x740 [ 195.535406] ? snprintf+0xa5/0xd0 [ 195.538855] ? vsprintf+0x30/0x30 [ 195.542296] ? ns_test_super+0x50/0x50 [ 195.546201] ? set_blocksize+0x125/0x380 [ 195.550253] mount_bdev+0x2b3/0x360 [ 195.553867] ? vfat_mount+0x40/0x40 [ 195.557476] mount_fs+0x92/0x2a0 [ 195.560835] vfs_kern_mount.part.0+0x5b/0x470 [ 195.565314] do_mount+0xe53/0x2a00 [ 195.568844] ? copy_mount_string+0x40/0x40 [ 195.573095] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 195.578113] ? copy_mnt_ns+0xa30/0xa30 [ 195.581993] ? copy_mount_options+0x1fa/0x2f0 [ 195.586471] ? copy_mnt_ns+0xa30/0xa30 [ 195.590356] SyS_mount+0xa8/0x120 [ 195.593799] ? copy_mnt_ns+0xa30/0xa30 [ 195.597851] do_syscall_64+0x1d5/0x640 [ 195.601735] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 195.606913] RIP: 0033:0x44e51a [ 195.610088] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 195.617898] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 195.625171] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 195.632437] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 195.639836] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 195.647099] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 195.656381] FAULT_INJECTION: forcing a failure. [ 195.656381] name failslab, interval 1, probability 0, space 0, times 0 [ 195.665000] CPU: 1 PID: 9181 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 195.675470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 195.684994] Call Trace: [ 195.687596] dump_stack+0x1b2/0x283 [ 195.691223] should_fail.cold+0x10a/0x154 [ 195.695381] should_failslab+0xd6/0x130 [ 195.699344] kmem_cache_alloc_node+0x54/0x410 [ 195.703845] create_task_io_context+0x2a/0x3c0 [ 195.708430] generic_make_request_checks+0x1350/0x19f0 [ 195.713951] ? mempool_alloc+0x10e/0x2d0 [ 195.717996] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 195.723429] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 195.727817] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 195.732813] ? trace_hardirqs_on+0x10/0x10 [ 195.737032] generic_make_request+0x67/0x850 [ 195.741422] ? remove_element.isra.0+0x1b0/0x1b0 [ 195.746160] ? blk_queue_exit+0x1d0/0x1d0 [ 195.750309] ? mark_held_locks+0xa6/0xf0 [ 195.754360] ? guard_bio_eod+0x15c/0x520 [ 195.758429] submit_bio+0x234/0x390 [ 195.762036] ? generic_make_request+0x850/0x850 [ 195.766685] ? guard_bio_eod+0x183/0x520 [ 195.770723] ? bio_add_page+0x96/0xe0 [ 195.774525] submit_bh_wbc+0x526/0x6f0 [ 195.778401] ? vfat_cmpi+0x3a0/0x3a0 [ 195.782110] __bread_gfp+0x11c/0x2e0 [ 195.785823] fat_fill_super+0x2f9/0x31b0 [ 195.789875] ? vsnprintf+0x260/0x1340 [ 195.793695] ? fat_write_end+0x280/0x280 [ 195.797836] ? lock_downgrade+0x740/0x740 [ 195.801983] ? snprintf+0xa5/0xd0 [ 195.805431] ? vsprintf+0x30/0x30 [ 195.808890] ? ns_test_super+0x50/0x50 [ 195.812781] ? set_blocksize+0x125/0x380 [ 195.816840] mount_bdev+0x2b3/0x360 [ 195.820463] ? vfat_mount+0x40/0x40 [ 195.824097] mount_fs+0x92/0x2a0 [ 195.827466] vfs_kern_mount.part.0+0x5b/0x470 [ 195.831955] do_mount+0xe53/0x2a00 [ 195.835486] ? copy_mount_string+0x40/0x40 [ 195.839710] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 195.844719] ? copy_mnt_ns+0xa30/0xa30 [ 195.848620] ? copy_mount_options+0x1fa/0x2f0 [ 195.853117] ? copy_mnt_ns+0xa30/0xa30 [ 195.857021] SyS_mount+0xa8/0x120 [ 195.860470] ? copy_mnt_ns+0xa30/0xa30 [ 195.864350] do_syscall_64+0x1d5/0x640 [ 195.868239] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 195.873422] RIP: 0033:0x44e51a [ 195.876606] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 195.884311] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 195.892361] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 195.899628] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 195.906893] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 195.914160] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 195.923257] CPU: 0 PID: 9184 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 195.931158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 195.940492] Call Trace: [ 195.943078] dump_stack+0x1b2/0x283 [ 195.946706] should_fail.cold+0x10a/0x154 [ 195.950852] should_failslab+0xd6/0x130 [ 195.954806] kmem_cache_alloc+0x28e/0x3c0 [ 195.958937] alloc_buffer_head+0x20/0x110 [ 195.963086] alloc_page_buffers+0xb3/0x1f0 [ 195.967314] __getblk_slow+0x2d6/0x7a0 [ 195.971213] ? vfat_cmpi+0x3a0/0x3a0 [ 195.974923] __bread_gfp+0x206/0x2e0 [ 195.978616] fat_fill_super+0x2f9/0x31b0 [ 195.982657] ? vsnprintf+0x260/0x1340 [ 195.986437] ? fat_write_end+0x280/0x280 [ 195.990476] ? lock_downgrade+0x740/0x740 [ 195.994690] ? snprintf+0xa5/0xd0 [ 195.998120] ? vsprintf+0x30/0x30 [ 196.001553] ? ns_test_super+0x50/0x50 [ 196.005419] ? set_blocksize+0x125/0x380 [ 196.009461] mount_bdev+0x2b3/0x360 [ 196.013066] ? vfat_mount+0x40/0x40 [ 196.016678] mount_fs+0x92/0x2a0 [ 196.020025] vfs_kern_mount.part.0+0x5b/0x470 [ 196.024502] do_mount+0xe53/0x2a00 [ 196.028024] ? do_raw_spin_unlock+0x164/0x220 [ 196.032500] ? copy_mount_string+0x40/0x40 [ 196.036721] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 196.041717] ? copy_mnt_ns+0xa30/0xa30 [ 196.045584] ? copy_mount_options+0x1fa/0x2f0 [ 196.050057] ? copy_mnt_ns+0xa30/0xa30 [ 196.053924] SyS_mount+0xa8/0x120 [ 196.057356] ? copy_mnt_ns+0xa30/0xa30 [ 196.061241] do_syscall_64+0x1d5/0x640 [ 196.065133] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 196.070305] RIP: 0033:0x44e51a [ 196.073473] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 196.081183] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 196.088445] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 196.095694] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 196.102941] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 196.110188] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 196.122257] CPU: 0 PID: 9183 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 196.130155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 196.139502] Call Trace: [ 196.142087] dump_stack+0x1b2/0x283 [ 196.145714] should_fail.cold+0x10a/0x154 [ 196.149860] should_failslab+0xd6/0x130 [ 196.153839] kmem_cache_alloc+0x28e/0x3c0 [ 196.155789] FAULT_INJECTION: forcing a failure. [ 196.155789] name failslab, interval 1, probability 0, space 0, times 0 [ 196.157993] alloc_buffer_head+0x20/0x110 [ 196.158003] alloc_page_buffers+0xb3/0x1f0 [ 196.158013] __getblk_slow+0x2d6/0x7a0 [ 196.158026] ? vfat_cmpi+0x3a0/0x3a0 [ 196.185139] __bread_gfp+0x206/0x2e0 [ 196.188835] fat_fill_super+0x2f9/0x31b0 [ 196.192883] ? vsnprintf+0x260/0x1340 [ 196.196667] ? fat_write_end+0x280/0x280 [ 196.200716] ? lock_downgrade+0x740/0x740 [ 196.204845] ? snprintf+0xa5/0xd0 [ 196.208278] ? vsprintf+0x30/0x30 [ 196.211733] ? ns_test_super+0x50/0x50 [ 196.215601] ? set_blocksize+0x125/0x380 [ 196.219650] mount_bdev+0x2b3/0x360 [ 196.223264] ? vfat_mount+0x40/0x40 [ 196.226884] mount_fs+0x92/0x2a0 [ 196.230236] vfs_kern_mount.part.0+0x5b/0x470 [ 196.234714] do_mount+0xe53/0x2a00 [ 196.238239] ? do_raw_spin_unlock+0x164/0x220 [ 196.242725] ? copy_mount_string+0x40/0x40 [ 196.246954] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 196.251952] ? copy_mnt_ns+0xa30/0xa30 [ 196.255835] ? copy_mount_options+0x1fa/0x2f0 [ 196.260309] ? copy_mnt_ns+0xa30/0xa30 [ 196.264187] SyS_mount+0xa8/0x120 [ 196.267629] ? copy_mnt_ns+0xa30/0xa30 [ 196.271508] do_syscall_64+0x1d5/0x640 [ 196.275399] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 196.280587] RIP: 0033:0x44e51a [ 196.283770] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 196.292151] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 196.299407] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 196.306658] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 196.313908] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 executing program [ 196.321178] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 196.328462] CPU: 1 PID: 9206 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 196.336567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 196.345920] Call Trace: [ 196.348494] dump_stack+0x1b2/0x283 [ 196.352115] should_fail.cold+0x10a/0x154 [ 196.356270] should_failslab+0xd6/0x130 [ 196.360226] kmem_cache_alloc+0x28e/0x3c0 [ 196.364371] alloc_buffer_head+0x20/0x110 [ 196.368516] alloc_page_buffers+0xb3/0x1f0 [ 196.372747] __getblk_slow+0x2d6/0x7a0 [ 196.376622] ? vfat_cmpi+0x3a0/0x3a0 [ 196.380361] __bread_gfp+0x206/0x2e0 [ 196.384085] fat_fill_super+0x2f9/0x31b0 [ 196.388152] ? vsnprintf+0x260/0x1340 [ 196.391961] ? fat_write_end+0x280/0x280 [ 196.396010] ? lock_downgrade+0x740/0x740 [ 196.400138] ? snprintf+0xa5/0xd0 [ 196.403578] ? vsprintf+0x30/0x30 [ 196.407025] ? ns_test_super+0x50/0x50 [ 196.410896] ? set_blocksize+0x125/0x380 [ 196.414944] mount_bdev+0x2b3/0x360 [ 196.419082] ? vfat_mount+0x40/0x40 [ 196.422719] mount_fs+0x92/0x2a0 [ 196.426068] vfs_kern_mount.part.0+0x5b/0x470 [ 196.430545] do_mount+0xe53/0x2a00 [ 196.434069] ? copy_mount_string+0x40/0x40 [ 196.438369] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 196.445622] ? copy_mnt_ns+0xa30/0xa30 [ 196.449513] ? copy_mount_options+0x1fa/0x2f0 [ 196.453988] ? copy_mnt_ns+0xa30/0xa30 [ 196.457856] SyS_mount+0xa8/0x120 [ 196.461289] ? copy_mnt_ns+0xa30/0xa30 [ 196.465163] do_syscall_64+0x1d5/0x640 [ 196.469070] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 196.474258] RIP: 0033:0x44e51a [ 196.477431] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 196.485124] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 196.492400] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 196.499855] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 196.507105] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 196.514369] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 196.521651] CPU: 0 PID: 9179 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 196.529539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 196.538919] Call Trace: [ 196.541507] dump_stack+0x1b2/0x283 [ 196.545143] should_fail.cold+0x10a/0x154 [ 196.549305] should_failslab+0xd6/0x130 [ 196.553287] kmem_cache_alloc+0x28e/0x3c0 [ 196.557436] alloc_buffer_head+0x20/0x110 [ 196.561591] alloc_page_buffers+0xb3/0x1f0 [ 196.565831] __getblk_slow+0x2d6/0x7a0 [ 196.569726] ? vfat_cmpi+0x3a0/0x3a0 [ 196.573437] __bread_gfp+0x206/0x2e0 [ 196.574960] FAT-fs (loop4): bogus number of reserved sectors [ 196.577146] fat_fill_super+0x2f9/0x31b0 [ 196.577157] ? vsnprintf+0x260/0x1340 [ 196.577170] ? fat_write_end+0x280/0x280 [ 196.583044] FAT-fs (loop4): Can't find a valid FAT filesystem [ 196.588057] ? lock_downgrade+0x740/0x740 [ 196.588067] ? snprintf+0xa5/0xd0 [ 196.588075] ? vsprintf+0x30/0x30 [ 196.588087] ? ns_test_super+0x50/0x50 [ 196.616661] ? set_blocksize+0x125/0x380 [ 196.620724] mount_bdev+0x2b3/0x360 [ 196.624331] ? vfat_mount+0x40/0x40 [ 196.627943] mount_fs+0x92/0x2a0 [ 196.631321] vfs_kern_mount.part.0+0x5b/0x470 [ 196.635810] do_mount+0xe53/0x2a00 [ 196.639338] ? do_raw_spin_unlock+0x164/0x220 [ 196.643821] ? copy_mount_string+0x40/0x40 [ 196.648063] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 196.653058] ? copy_mnt_ns+0xa30/0xa30 [ 196.656935] ? copy_mount_options+0x1fa/0x2f0 [ 196.661409] ? copy_mnt_ns+0xa30/0xa30 [ 196.665275] SyS_mount+0xa8/0x120 [ 196.669328] ? copy_mnt_ns+0xa30/0xa30 [ 196.673197] do_syscall_64+0x1d5/0x640 [ 196.677080] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 196.682254] RIP: 0033:0x44e51a [ 196.685422] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 196.693197] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 196.700447] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 196.707695] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 196.714946] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 196.722194] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 196.736762] FAT-fs (loop1): bogus number of reserved sectors [ 196.741634] FAT-fs (loop3): bogus number of reserved sectors [ 196.743109] FAT-fs (loop1): Can't find a valid FAT filesystem [ 196.748360] FAT-fs (loop3): Can't find a valid FAT filesystem [ 196.756213] FAT-fs (loop0): bogus number of reserved sectors [ 196.766026] FAT-fs (loop5): bogus number of reserved sectors [ 196.766673] FAT-fs (loop0): Can't find a valid FAT filesystem [ 196.772192] FAT-fs (loop2): bogus number of reserved sectors [ 196.784241] FAT-fs (loop5): Can't find a valid FAT filesystem [ 196.784262] FAT-fs (loop2): Can't find a valid FAT filesystem executing program executing program executing program executing program executing program executing program [ 197.105281] FAULT_INJECTION: forcing a failure. [ 197.105281] name failslab, interval 1, probability 0, space 0, times 0 [ 197.105552] FAULT_INJECTION: forcing a failure. [ 197.105552] name failslab, interval 1, probability 0, space 0, times 0 [ 197.117098] FAULT_INJECTION: forcing a failure. [ 197.117098] name failslab, interval 1, probability 0, space 0, times 0 [ 197.142580] FAULT_INJECTION: forcing a failure. [ 197.142580] name failslab, interval 1, probability 0, space 0, times 0 [ 197.155593] FAULT_INJECTION: forcing a failure. [ 197.155593] name failslab, interval 1, probability 0, space 0, times 0 [ 197.155741] FAULT_INJECTION: forcing a failure. [ 197.155741] name failslab, interval 1, probability 0, space 0, times 0 [ 197.177329] CPU: 1 PID: 9228 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 197.185961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 197.195323] Call Trace: [ 197.197903] dump_stack+0x1b2/0x283 [ 197.201526] should_fail.cold+0x10a/0x154 [ 197.205663] should_failslab+0xd6/0x130 [ 197.209648] kmem_cache_alloc+0x28e/0x3c0 [ 197.213800] alloc_buffer_head+0x20/0x110 [ 197.217930] alloc_page_buffers+0xb3/0x1f0 [ 197.222148] __getblk_slow+0x2d6/0x7a0 [ 197.226025] ? vfat_cmpi+0x3a0/0x3a0 [ 197.229752] __bread_gfp+0x206/0x2e0 [ 197.233448] fat_fill_super+0x2f9/0x31b0 [ 197.237491] ? vsnprintf+0x260/0x1340 [ 197.241274] ? fat_write_end+0x280/0x280 [ 197.245325] ? lock_downgrade+0x740/0x740 [ 197.249458] ? snprintf+0xa5/0xd0 [ 197.252894] ? vsprintf+0x30/0x30 [ 197.256350] ? ns_test_super+0x50/0x50 [ 197.260218] ? set_blocksize+0x125/0x380 [ 197.264275] mount_bdev+0x2b3/0x360 [ 197.267895] ? vfat_mount+0x40/0x40 [ 197.271503] mount_fs+0x92/0x2a0 [ 197.274854] vfs_kern_mount.part.0+0x5b/0x470 [ 197.279331] do_mount+0xe53/0x2a00 [ 197.282856] ? do_raw_spin_unlock+0x164/0x220 [ 197.287346] ? copy_mount_string+0x40/0x40 [ 197.291564] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 197.296585] ? copy_mnt_ns+0xa30/0xa30 [ 197.300487] ? copy_mount_options+0x1fa/0x2f0 [ 197.304970] ? copy_mnt_ns+0xa30/0xa30 [ 197.308841] SyS_mount+0xa8/0x120 [ 197.312295] ? copy_mnt_ns+0xa30/0xa30 [ 197.316186] do_syscall_64+0x1d5/0x640 [ 197.320077] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 197.325247] RIP: 0033:0x44e51a [ 197.328424] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 197.336117] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 197.343366] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 197.350702] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 197.357959] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 197.365207] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 197.372470] CPU: 0 PID: 9227 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 197.381964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 197.391313] Call Trace: [ 197.393891] dump_stack+0x1b2/0x283 [ 197.397513] should_fail.cold+0x10a/0x154 [ 197.401689] should_failslab+0xd6/0x130 [ 197.405657] kmem_cache_alloc+0x28e/0x3c0 [ 197.410057] alloc_buffer_head+0x20/0x110 [ 197.414217] alloc_page_buffers+0xb3/0x1f0 [ 197.418443] __getblk_slow+0x2d6/0x7a0 [ 197.422330] ? vfat_cmpi+0x3a0/0x3a0 [ 197.426041] __bread_gfp+0x206/0x2e0 [ 197.429755] fat_fill_super+0x2f9/0x31b0 [ 197.433814] ? vsnprintf+0x260/0x1340 [ 197.437619] ? fat_write_end+0x280/0x280 [ 197.441690] ? lock_downgrade+0x740/0x740 [ 197.445831] ? snprintf+0xa5/0xd0 [ 197.449344] ? vsprintf+0x30/0x30 [ 197.452795] ? ns_test_super+0x50/0x50 [ 197.456684] ? set_blocksize+0x125/0x380 [ 197.460748] mount_bdev+0x2b3/0x360 [ 197.464368] ? vfat_mount+0x40/0x40 [ 197.468075] mount_fs+0x92/0x2a0 [ 197.471445] vfs_kern_mount.part.0+0x5b/0x470 [ 197.475947] do_mount+0xe53/0x2a00 [ 197.479493] ? retint_kernel+0x2d/0x2d [ 197.483381] ? copy_mount_string+0x40/0x40 [ 197.487624] ? copy_mount_options+0x18b/0x2f0 [ 197.492132] ? copy_mount_options+0x1fa/0x2f0 [ 197.496632] ? copy_mnt_ns+0xa30/0xa30 [ 197.500531] SyS_mount+0xa8/0x120 [ 197.503987] ? copy_mnt_ns+0xa30/0xa30 [ 197.507877] do_syscall_64+0x1d5/0x640 [ 197.511771] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 197.516956] RIP: 0033:0x44e51a [ 197.520131] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 197.527834] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 197.535106] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 197.542459] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 197.549730] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 197.557002] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 197.569831] CPU: 1 PID: 9229 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 197.577741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 197.587093] Call Trace: [ 197.589686] dump_stack+0x1b2/0x283 [ 197.593312] should_fail.cold+0x10a/0x154 [ 197.597460] should_failslab+0xd6/0x130 [ 197.600611] FAT-fs (loop3): bogus number of reserved sectors [ 197.601431] kmem_cache_alloc_node+0x54/0x410 [ 197.607295] FAT-fs (loop3): Can't find a valid FAT filesystem [ 197.611775] create_task_io_context+0x2a/0x3c0 [ 197.611783] generic_make_request_checks+0x1350/0x19f0 [ 197.611793] ? mempool_alloc+0x10e/0x2d0 [ 197.611803] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 197.611809] ? blk_rq_prep_clone+0x6c0/0x6c0 [ 197.611815] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 197.611824] ? trace_hardirqs_on+0x10/0x10 [ 197.650602] generic_make_request+0x67/0x850 [ 197.654998] ? remove_element.isra.0+0x1b0/0x1b0 [ 197.659820] ? blk_queue_exit+0x1d0/0x1d0 [ 197.663945] ? mark_held_locks+0xa6/0xf0 [ 197.667999] ? guard_bio_eod+0x15c/0x520 [ 197.672040] submit_bio+0x234/0x390 [ 197.675646] ? generic_make_request+0x850/0x850 [ 197.680295] ? guard_bio_eod+0x183/0x520 [ 197.684333] ? bio_add_page+0x96/0xe0 [ 197.688123] submit_bh_wbc+0x526/0x6f0 [ 197.691990] ? vfat_cmpi+0x3a0/0x3a0 [ 197.695686] __bread_gfp+0x11c/0x2e0 [ 197.699380] fat_fill_super+0x2f9/0x31b0 [ 197.703429] ? vsnprintf+0x260/0x1340 [ 197.707222] ? fat_write_end+0x280/0x280 [ 197.711263] ? lock_downgrade+0x740/0x740 [ 197.715394] ? snprintf+0xa5/0xd0 [ 197.718825] ? vsprintf+0x30/0x30 [ 197.722259] ? ns_test_super+0x50/0x50 [ 197.726140] ? set_blocksize+0x125/0x380 [ 197.730182] mount_bdev+0x2b3/0x360 [ 197.733787] ? vfat_mount+0x40/0x40 [ 197.737408] mount_fs+0x92/0x2a0 [ 197.740758] vfs_kern_mount.part.0+0x5b/0x470 [ 197.745235] do_mount+0xe53/0x2a00 [ 197.748759] ? copy_mount_string+0x40/0x40 [ 197.752987] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 197.757995] ? copy_mnt_ns+0xa30/0xa30 [ 197.761864] ? copy_mount_options+0x1fa/0x2f0 [ 197.766339] ? copy_mnt_ns+0xa30/0xa30 [ 197.770204] SyS_mount+0xa8/0x120 [ 197.773649] ? copy_mnt_ns+0xa30/0xa30 [ 197.777524] do_syscall_64+0x1d5/0x640 [ 197.781394] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 197.786563] RIP: 0033:0x44e51a [ 197.789731] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 197.797418] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 197.804666] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 197.811930] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 197.819180] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 197.826449] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 197.837941] CPU: 1 PID: 9225 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 197.845838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 197.855182] Call Trace: [ 197.857777] dump_stack+0x1b2/0x283 [ 197.861388] should_fail.cold+0x10a/0x154 [ 197.865518] should_failslab+0xd6/0x130 [ 197.869487] kmem_cache_alloc+0x28e/0x3c0 [ 197.873631] alloc_buffer_head+0x20/0x110 [ 197.877772] alloc_page_buffers+0xb3/0x1f0 [ 197.882055] __getblk_slow+0x2d6/0x7a0 [ 197.885925] ? vfat_cmpi+0x3a0/0x3a0 [ 197.889626] __bread_gfp+0x206/0x2e0 [ 197.893319] fat_fill_super+0x2f9/0x31b0 [ 197.897359] ? vsnprintf+0x260/0x1340 [ 197.901140] ? fat_write_end+0x280/0x280 [ 197.905195] ? lock_downgrade+0x740/0x740 [ 197.909321] ? snprintf+0xa5/0xd0 [ 197.912752] ? vsprintf+0x30/0x30 [ 197.916185] ? ns_test_super+0x50/0x50 [ 197.920051] ? set_blocksize+0x125/0x380 [ 197.924092] mount_bdev+0x2b3/0x360 [ 197.927711] ? vfat_mount+0x40/0x40 [ 197.931318] mount_fs+0x92/0x2a0 [ 197.934683] vfs_kern_mount.part.0+0x5b/0x470 [ 197.939159] do_mount+0xe53/0x2a00 [ 197.942701] ? do_raw_spin_unlock+0x164/0x220 [ 197.947178] ? copy_mount_string+0x40/0x40 [ 197.951394] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 197.956406] ? copy_mnt_ns+0xa30/0xa30 [ 197.960275] ? copy_mount_options+0x1fa/0x2f0 [ 197.964753] ? copy_mnt_ns+0xa30/0xa30 [ 197.968619] SyS_mount+0xa8/0x120 [ 197.972069] ? copy_mnt_ns+0xa30/0xa30 [ 197.975942] do_syscall_64+0x1d5/0x640 [ 197.979814] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 197.984985] RIP: 0033:0x44e51a [ 197.988152] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 197.995878] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 198.003130] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 198.010377] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 198.017625] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 198.024874] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 198.032136] CPU: 0 PID: 9224 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 198.040028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 198.049388] Call Trace: [ 198.051981] dump_stack+0x1b2/0x283 [ 198.054152] FAT-fs (loop2): bogus number of reserved sectors [ 198.055610] should_fail.cold+0x10a/0x154 [ 198.055623] should_failslab+0xd6/0x130 [ 198.055634] kmem_cache_alloc+0x28e/0x3c0 [ 198.055645] alloc_buffer_head+0x20/0x110 [ 198.055653] alloc_page_buffers+0xb3/0x1f0 [ 198.061599] FAT-fs (loop2): Can't find a valid FAT filesystem [ 198.065669] __getblk_slow+0x2d6/0x7a0 [ 198.065684] ? vfat_cmpi+0x3a0/0x3a0 [ 198.065694] __bread_gfp+0x206/0x2e0 [ 198.065704] fat_fill_super+0x2f9/0x31b0 [ 198.065715] ? vsnprintf+0x260/0x1340 [ 198.074353] FAT-fs (loop1): bogus number of reserved sectors [ 198.077934] ? fat_write_end+0x280/0x280 [ 198.077945] ? lock_downgrade+0x740/0x740 [ 198.077956] ? snprintf+0xa5/0xd0 [ 198.077963] ? vsprintf+0x30/0x30 [ 198.077973] ? ns_test_super+0x50/0x50 [ 198.077984] ? set_blocksize+0x125/0x380 [ 198.082674] FAT-fs (loop1): Can't find a valid FAT filesystem [ 198.088190] mount_bdev+0x2b3/0x360 [ 198.088200] ? vfat_mount+0x40/0x40 [ 198.088209] mount_fs+0x92/0x2a0 [ 198.088223] vfs_kern_mount.part.0+0x5b/0x470 [ 198.088233] do_mount+0xe53/0x2a00 [ 198.092648] FAT-fs (loop4): bogus number of reserved sectors [ 198.095910] ? copy_mount_string+0x40/0x40 [ 198.095921] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 198.095931] ? copy_mnt_ns+0xa30/0xa30 [ 198.095941] ? copy_mount_options+0x1fa/0x2f0 [ 198.095947] ? copy_mnt_ns+0xa30/0xa30 [ 198.095956] SyS_mount+0xa8/0x120 [ 198.103343] FAT-fs (loop4): Can't find a valid FAT filesystem [ 198.103698] ? copy_mnt_ns+0xa30/0xa30 [ 198.200997] do_syscall_64+0x1d5/0x640 [ 198.204909] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 198.210093] RIP: 0033:0x44e51a [ 198.213265] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 198.220954] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 198.228213] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 198.235638] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 198.242891] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 198.250153] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 198.257423] CPU: 1 PID: 9226 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 198.262057] FAT-fs (loop0): bogus number of reserved sectors [ 198.265309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 198.271161] FAT-fs (loop0): Can't find a valid FAT filesystem [ 198.280463] Call Trace: [ 198.280478] dump_stack+0x1b2/0x283 [ 198.280492] should_fail.cold+0x10a/0x154 [ 198.296646] should_failslab+0xd6/0x130 [ 198.300601] kmem_cache_alloc+0x28e/0x3c0 [ 198.305771] alloc_buffer_head+0x20/0x110 [ 198.309899] alloc_page_buffers+0xb3/0x1f0 [ 198.314137] __getblk_slow+0x2d6/0x7a0 [ 198.318025] ? vfat_cmpi+0x3a0/0x3a0 [ 198.321734] __bread_gfp+0x206/0x2e0 [ 198.325427] fat_fill_super+0x2f9/0x31b0 [ 198.329467] ? vsnprintf+0x260/0x1340 [ 198.333247] ? fat_write_end+0x280/0x280 [ 198.337295] ? lock_downgrade+0x740/0x740 [ 198.341424] ? snprintf+0xa5/0xd0 [ 198.344856] ? vsprintf+0x30/0x30 [ 198.348291] ? ns_test_super+0x50/0x50 [ 198.352179] ? set_blocksize+0x125/0x380 [ 198.356227] mount_bdev+0x2b3/0x360 [ 198.359858] ? vfat_mount+0x40/0x40 [ 198.363478] mount_fs+0x92/0x2a0 [ 198.366841] vfs_kern_mount.part.0+0x5b/0x470 [ 198.371318] do_mount+0xe53/0x2a00 [ 198.374839] ? retint_kernel+0x2d/0x2d [ 198.378708] ? copy_mount_string+0x40/0x40 [ 198.382923] ? copy_mount_options+0x18f/0x2f0 [ 198.387421] ? copy_mount_options+0x1fa/0x2f0 [ 198.391909] ? copy_mnt_ns+0xa30/0xa30 [ 198.395781] SyS_mount+0xa8/0x120 [ 198.399214] ? copy_mnt_ns+0xa30/0xa30 [ 198.403170] do_syscall_64+0x1d5/0x640 [ 198.407057] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 198.412225] RIP: 0033:0x44e51a [ 198.415391] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 198.423079] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 198.430328] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 198.437577] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 198.444831] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 198.452082] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 198.466627] FAT-fs (loop5): bogus number of reserved sectors [ 198.478477] FAT-fs (loop5): Can't find a valid FAT filesystem executing program [ 198.592326] FAULT_INJECTION: forcing a failure. [ 198.592326] name failslab, interval 1, probability 0, space 0, times 0 [ 198.603906] CPU: 0 PID: 9258 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 198.611792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 198.621259] Call Trace: [ 198.623837] dump_stack+0x1b2/0x283 [ 198.627460] should_fail.cold+0x10a/0x154 [ 198.631594] should_failslab+0xd6/0x130 [ 198.635551] kmem_cache_alloc+0x28e/0x3c0 [ 198.639684] alloc_buffer_head+0x20/0x110 [ 198.643831] alloc_page_buffers+0xb3/0x1f0 [ 198.648057] __getblk_slow+0x2d6/0x7a0 [ 198.651937] ? vfat_cmpi+0x3a0/0x3a0 [ 198.655646] __bread_gfp+0x206/0x2e0 [ 198.659347] fat_fill_super+0x2f9/0x31b0 [ 198.663394] ? vsnprintf+0x260/0x1340 [ 198.667177] ? fat_write_end+0x280/0x280 [ 198.671232] ? lock_downgrade+0x740/0x740 [ 198.675382] ? snprintf+0xa5/0xd0 [ 198.678811] ? vsprintf+0x30/0x30 [ 198.682244] ? ns_test_super+0x50/0x50 [ 198.686109] ? set_blocksize+0x125/0x380 [ 198.690183] mount_bdev+0x2b3/0x360 [ 198.693789] ? vfat_mount+0x40/0x40 [ 198.697394] mount_fs+0x92/0x2a0 [ 198.700762] vfs_kern_mount.part.0+0x5b/0x470 [ 198.705235] do_mount+0xe53/0x2a00 [ 198.708754] ? copy_mount_string+0x40/0x40 [ 198.712983] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 198.717976] ? copy_mnt_ns+0xa30/0xa30 [ 198.721848] ? copy_mount_options+0x1fa/0x2f0 [ 198.726422] ? copy_mnt_ns+0xa30/0xa30 [ 198.730288] SyS_mount+0xa8/0x120 [ 198.733717] ? copy_mnt_ns+0xa30/0xa30 [ 198.737585] do_syscall_64+0x1d5/0x640 [ 198.741457] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 198.746637] RIP: 0033:0x44e51a [ 198.749807] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 198.757493] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 198.764756] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 198.772020] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 198.779270] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 executing program executing program executing program executing program executing program [ 198.786531] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 198.804564] FAT-fs (loop2): bogus number of reserved sectors [ 198.821255] FAT-fs (loop2): Can't find a valid FAT filesystem [ 198.823302] FAULT_INJECTION: forcing a failure. [ 198.823302] name failslab, interval 1, probability 0, space 0, times 0 [ 198.839233] CPU: 0 PID: 9275 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 198.847132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 198.856489] Call Trace: [ 198.859076] dump_stack+0x1b2/0x283 [ 198.862705] should_fail.cold+0x10a/0x154 [ 198.866852] should_failslab+0xd6/0x130 [ 198.870823] kmem_cache_alloc+0x28e/0x3c0 [ 198.874972] alloc_buffer_head+0x20/0x110 [ 198.876363] FAULT_INJECTION: forcing a failure. [ 198.876363] name failslab, interval 1, probability 0, space 0, times 0 [ 198.879114] alloc_page_buffers+0xb3/0x1f0 [ 198.894501] __getblk_slow+0x2d6/0x7a0 [ 198.898390] ? vfat_cmpi+0x3a0/0x3a0 [ 198.902100] __bread_gfp+0x206/0x2e0 [ 198.905813] fat_fill_super+0x2f9/0x31b0 [ 198.909871] ? vsnprintf+0x260/0x1340 [ 198.913698] ? fat_write_end+0x280/0x280 [ 198.917760] ? lock_downgrade+0x740/0x740 [ 198.921906] ? snprintf+0xa5/0xd0 [ 198.925357] ? vsprintf+0x30/0x30 [ 198.928812] ? ns_test_super+0x50/0x50 [ 198.932698] ? set_blocksize+0x125/0x380 [ 198.936780] mount_bdev+0x2b3/0x360 [ 198.940402] ? vfat_mount+0x40/0x40 [ 198.944025] mount_fs+0x92/0x2a0 [ 198.947390] vfs_kern_mount.part.0+0x5b/0x470 [ 198.951877] do_mount+0xe53/0x2a00 [ 198.955410] ? do_raw_spin_unlock+0x164/0x220 [ 198.959910] ? copy_mount_string+0x40/0x40 [ 198.964135] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 198.969136] ? copy_mnt_ns+0xa30/0xa30 [ 198.973008] ? copy_mount_options+0x1fa/0x2f0 [ 198.977489] ? copy_mnt_ns+0xa30/0xa30 [ 198.981377] SyS_mount+0xa8/0x120 [ 198.984811] ? copy_mnt_ns+0xa30/0xa30 [ 198.988679] do_syscall_64+0x1d5/0x640 [ 198.992561] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 198.998358] RIP: 0033:0x44e51a [ 199.001527] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 199.009230] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 199.013406] FAULT_INJECTION: forcing a failure. [ 199.013406] name failslab, interval 1, probability 0, space 0, times 0 [ 199.016496] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 199.034939] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 199.042202] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 199.049470] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 199.058234] FAULT_INJECTION: forcing a failure. [ 199.058234] name failslab, interval 1, probability 0, space 0, times 0 [ 199.061452] CPU: 1 PID: 9279 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 199.077311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 199.086653] Call Trace: [ 199.089243] dump_stack+0x1b2/0x283 [ 199.092859] should_fail.cold+0x10a/0x154 [ 199.096992] should_failslab+0xd6/0x130 [ 199.100958] kmem_cache_alloc+0x28e/0x3c0 [ 199.105088] alloc_buffer_head+0x20/0x110 [ 199.109240] alloc_page_buffers+0xb3/0x1f0 [ 199.113464] __getblk_slow+0x2d6/0x7a0 [ 199.117360] ? vfat_cmpi+0x3a0/0x3a0 [ 199.121078] __bread_gfp+0x206/0x2e0 [ 199.124776] fat_fill_super+0x2f9/0x31b0 [ 199.128839] ? vsnprintf+0x260/0x1340 [ 199.132624] ? fat_write_end+0x280/0x280 [ 199.136668] ? lock_downgrade+0x740/0x740 [ 199.140798] ? snprintf+0xa5/0xd0 [ 199.144249] ? vsprintf+0x30/0x30 [ 199.147690] ? ns_test_super+0x50/0x50 [ 199.151580] ? set_blocksize+0x125/0x380 [ 199.155632] mount_bdev+0x2b3/0x360 [ 199.159269] ? vfat_mount+0x40/0x40 [ 199.162881] mount_fs+0x92/0x2a0 [ 199.166254] vfs_kern_mount.part.0+0x5b/0x470 [ 199.170733] do_mount+0xe53/0x2a00 [ 199.174261] ? do_raw_spin_unlock+0x164/0x220 [ 199.178840] ? copy_mount_string+0x40/0x40 [ 199.183064] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 199.188073] ? copy_mnt_ns+0xa30/0xa30 [ 199.191943] ? copy_mount_options+0x1fa/0x2f0 [ 199.196422] ? copy_mnt_ns+0xa30/0xa30 [ 199.200293] SyS_mount+0xa8/0x120 [ 199.203729] ? copy_mnt_ns+0xa30/0xa30 [ 199.207598] do_syscall_64+0x1d5/0x640 [ 199.211472] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 199.216748] RIP: 0033:0x44e51a [ 199.219916] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 199.227605] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 199.234854] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 199.242104] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 199.249356] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 199.256606] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 199.263870] CPU: 0 PID: 9273 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 199.265481] FAULT_INJECTION: forcing a failure. [ 199.265481] name failslab, interval 1, probability 0, space 0, times 0 [ 199.271752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 199.271756] Call Trace: [ 199.271768] dump_stack+0x1b2/0x283 [ 199.271780] should_fail.cold+0x10a/0x154 [ 199.271791] should_failslab+0xd6/0x130 [ 199.271800] kmem_cache_alloc+0x28e/0x3c0 [ 199.271810] alloc_buffer_head+0x20/0x110 [ 199.271817] alloc_page_buffers+0xb3/0x1f0 [ 199.271829] __getblk_slow+0x2d6/0x7a0 [ 199.271844] ? vfat_cmpi+0x3a0/0x3a0 [ 199.271853] __bread_gfp+0x206/0x2e0 [ 199.271863] fat_fill_super+0x2f9/0x31b0 [ 199.271871] ? vsnprintf+0x260/0x1340 [ 199.271881] ? fat_write_end+0x280/0x280 [ 199.271891] ? lock_downgrade+0x740/0x740 [ 199.271899] ? snprintf+0xa5/0xd0 [ 199.271906] ? vsprintf+0x30/0x30 [ 199.271917] ? ns_test_super+0x50/0x50 [ 199.271926] ? set_blocksize+0x125/0x380 [ 199.271938] mount_bdev+0x2b3/0x360 [ 199.271944] ? vfat_mount+0x40/0x40 [ 199.271953] mount_fs+0x92/0x2a0 [ 199.271965] vfs_kern_mount.part.0+0x5b/0x470 [ 199.271976] do_mount+0xe53/0x2a00 [ 199.272040] ? copy_mount_string+0x40/0x40 [ 199.272052] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 199.389259] ? copy_mnt_ns+0xa30/0xa30 [ 199.393129] ? copy_mount_options+0x1fa/0x2f0 [ 199.397604] ? copy_mnt_ns+0xa30/0xa30 [ 199.401487] SyS_mount+0xa8/0x120 [ 199.404921] ? copy_mnt_ns+0xa30/0xa30 [ 199.408789] do_syscall_64+0x1d5/0x640 [ 199.412749] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 199.417916] RIP: 0033:0x44e51a [ 199.421084] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 199.428769] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 199.436018] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 executing program [ 199.443280] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 199.450528] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 199.457936] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 199.477921] FAULT_INJECTION: forcing a failure. [ 199.477921] name failslab, interval 1, probability 0, space 0, times 0 [ 199.479703] CPU: 0 PID: 9280 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 199.497020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 199.506359] Call Trace: [ 199.508932] dump_stack+0x1b2/0x283 [ 199.512541] should_fail.cold+0x10a/0x154 [ 199.516672] should_failslab+0xd6/0x130 [ 199.520641] kmem_cache_alloc+0x28e/0x3c0 [ 199.524772] alloc_buffer_head+0x20/0x110 [ 199.528901] alloc_page_buffers+0xb3/0x1f0 [ 199.533133] __getblk_slow+0x2d6/0x7a0 [ 199.537027] ? vfat_cmpi+0x3a0/0x3a0 [ 199.540738] __bread_gfp+0x206/0x2e0 [ 199.544466] fat_fill_super+0x2f9/0x31b0 [ 199.548525] ? vsnprintf+0x260/0x1340 [ 199.552328] ? fat_write_end+0x280/0x280 [ 199.556389] ? lock_downgrade+0x740/0x740 [ 199.560547] ? snprintf+0xa5/0xd0 [ 199.563987] ? vsprintf+0x30/0x30 [ 199.567437] ? ns_test_super+0x50/0x50 [ 199.571418] ? set_blocksize+0x125/0x380 [ 199.575473] mount_bdev+0x2b3/0x360 [ 199.579091] ? vfat_mount+0x40/0x40 [ 199.582711] mount_fs+0x92/0x2a0 [ 199.586071] vfs_kern_mount.part.0+0x5b/0x470 [ 199.590567] do_mount+0xe53/0x2a00 [ 199.594105] ? do_raw_spin_unlock+0x164/0x220 [ 199.598589] ? copy_mount_string+0x40/0x40 [ 199.601334] FAT-fs (loop0): bogus number of reserved sectors [ 199.602814] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 199.608607] FAT-fs (loop0): Can't find a valid FAT filesystem [ 199.613603] ? copy_mnt_ns+0xa30/0xa30 [ 199.613612] ? copy_mount_options+0x1fa/0x2f0 [ 199.613618] ? copy_mnt_ns+0xa30/0xa30 [ 199.613626] SyS_mount+0xa8/0x120 [ 199.613633] ? copy_mnt_ns+0xa30/0xa30 [ 199.613642] do_syscall_64+0x1d5/0x640 [ 199.613656] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 199.613664] RIP: 0033:0x44e51a [ 199.613670] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 199.659143] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 199.666408] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 199.673677] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 199.680938] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 199.688200] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 199.695487] CPU: 1 PID: 9274 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 199.700922] FAT-fs (loop5): bogus number of reserved sectors [ 199.703400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 199.703404] Call Trace: [ 199.703418] dump_stack+0x1b2/0x283 [ 199.703431] should_fail.cold+0x10a/0x154 [ 199.703441] should_failslab+0xd6/0x130 [ 199.703452] kmem_cache_alloc+0x28e/0x3c0 [ 199.709409] FAT-fs (loop5): Can't find a valid FAT filesystem [ 199.718656] alloc_buffer_head+0x20/0x110 [ 199.718663] alloc_page_buffers+0xb3/0x1f0 [ 199.718673] __getblk_slow+0x2d6/0x7a0 [ 199.718687] ? vfat_cmpi+0x3a0/0x3a0 [ 199.718697] __bread_gfp+0x206/0x2e0 [ 199.718707] fat_fill_super+0x2f9/0x31b0 [ 199.718717] ? vsnprintf+0x260/0x1340 [ 199.718728] ? fat_write_end+0x280/0x280 [ 199.728616] FAT-fs (loop1): bogus number of reserved sectors [ 199.729082] ? lock_downgrade+0x740/0x740 [ 199.733260] FAT-fs (loop1): Can't find a valid FAT filesystem [ 199.737167] ? snprintf+0xa5/0xd0 [ 199.737175] ? vsprintf+0x30/0x30 [ 199.737187] ? ns_test_super+0x50/0x50 [ 199.737197] ? set_blocksize+0x125/0x380 [ 199.737208] mount_bdev+0x2b3/0x360 [ 199.743358] FAT-fs (loop4): bogus number of reserved sectors [ 199.747197] ? vfat_mount+0x40/0x40 [ 199.747208] mount_fs+0x92/0x2a0 [ 199.747221] vfs_kern_mount.part.0+0x5b/0x470 [ 199.747232] do_mount+0xe53/0x2a00 [ 199.747245] ? copy_mount_string+0x40/0x40 [ 199.751670] FAT-fs (loop4): Can't find a valid FAT filesystem [ 199.755326] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 199.755336] ? copy_mnt_ns+0xa30/0xa30 [ 199.755347] ? copy_mount_options+0x1fa/0x2f0 [ 199.755355] ? copy_mnt_ns+0xa30/0xa30 [ 199.755363] SyS_mount+0xa8/0x120 [ 199.755371] ? copy_mnt_ns+0xa30/0xa30 [ 199.864953] do_syscall_64+0x1d5/0x640 [ 199.868844] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 199.874014] RIP: 0033:0x44e51a [ 199.877183] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 199.889496] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 199.896753] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 199.904023] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 199.911272] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 199.918546] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 199.927420] CPU: 1 PID: 9298 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 199.935316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 199.935662] FAT-fs (loop3): bogus number of reserved sectors [ 199.944658] Call Trace: [ 199.944673] dump_stack+0x1b2/0x283 [ 199.944688] should_fail.cold+0x10a/0x154 [ 199.944700] should_failslab+0xd6/0x130 [ 199.944709] kmem_cache_alloc+0x28e/0x3c0 [ 199.944719] alloc_buffer_head+0x20/0x110 [ 199.944730] alloc_page_buffers+0xb3/0x1f0 [ 199.950632] FAT-fs (loop3): Can't find a valid FAT filesystem [ 199.953102] __getblk_slow+0x2d6/0x7a0 [ 199.953118] ? vfat_cmpi+0x3a0/0x3a0 [ 199.953128] __bread_gfp+0x206/0x2e0 [ 199.953138] fat_fill_super+0x2f9/0x31b0 [ 199.953148] ? vsnprintf+0x260/0x1340 [ 200.002216] ? fat_write_end+0x280/0x280 [ 200.006275] ? lock_downgrade+0x740/0x740 [ 200.010491] ? snprintf+0xa5/0xd0 [ 200.013950] ? vsprintf+0x30/0x30 [ 200.017391] ? ns_test_super+0x50/0x50 [ 200.021277] ? set_blocksize+0x125/0x380 [ 200.025328] mount_bdev+0x2b3/0x360 [ 200.028945] ? vfat_mount+0x40/0x40 [ 200.032558] mount_fs+0x92/0x2a0 [ 200.035911] vfs_kern_mount.part.0+0x5b/0x470 [ 200.040413] do_mount+0xe53/0x2a00 [ 200.043956] ? copy_mount_string+0x40/0x40 [ 200.048174] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 200.053185] ? copy_mnt_ns+0xa30/0xa30 [ 200.057050] ? copy_mount_options+0x1fa/0x2f0 [ 200.061541] ? copy_mnt_ns+0xa30/0xa30 [ 200.065407] SyS_mount+0xa8/0x120 [ 200.068840] ? copy_mnt_ns+0xa30/0xa30 [ 200.072716] do_syscall_64+0x1d5/0x640 [ 200.076616] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 200.081794] RIP: 0033:0x44e51a [ 200.084962] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 200.092650] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 200.099898] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 200.107175] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 200.114534] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 200.121847] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 200.146982] FAT-fs (loop2): bogus number of reserved sectors [ 200.152886] FAT-fs (loop2): Can't find a valid FAT filesystem executing program [ 200.382312] FAULT_INJECTION: forcing a failure. [ 200.382312] name failslab, interval 1, probability 0, space 0, times 0 [ 200.393874] CPU: 1 PID: 9308 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 200.401765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 200.411123] Call Trace: [ 200.413721] dump_stack+0x1b2/0x283 [ 200.417364] should_fail.cold+0x10a/0x154 [ 200.421521] should_failslab+0xd6/0x130 [ 200.425503] kmem_cache_alloc+0x28e/0x3c0 [ 200.429655] alloc_buffer_head+0x20/0x110 [ 200.433821] alloc_page_buffers+0xb3/0x1f0 [ 200.438061] __getblk_slow+0x2d6/0x7a0 [ 200.441961] ? vfat_cmpi+0x3a0/0x3a0 [ 200.445680] __bread_gfp+0x206/0x2e0 [ 200.449395] fat_fill_super+0x2f9/0x31b0 [ 200.453459] ? vsnprintf+0x260/0x1340 [ 200.456759] FAULT_INJECTION: forcing a failure. [ 200.456759] name failslab, interval 1, probability 0, space 0, times 0 [ 200.457267] ? fat_write_end+0x280/0x280 [ 200.472502] ? lock_downgrade+0x740/0x740 [ 200.476652] ? snprintf+0xa5/0xd0 [ 200.476900] FAULT_INJECTION: forcing a failure. [ 200.476900] name failslab, interval 1, probability 0, space 0, times 0 [ 200.480179] ? vsprintf+0x30/0x30 [ 200.480190] ? ns_test_super+0x50/0x50 [ 200.480200] ? set_blocksize+0x125/0x380 [ 200.480211] mount_bdev+0x2b3/0x360 [ 200.480219] ? vfat_mount+0x40/0x40 [ 200.480227] mount_fs+0x92/0x2a0 [ 200.480241] vfs_kern_mount.part.0+0x5b/0x470 [ 200.494510] FAULT_INJECTION: forcing a failure. [ 200.494510] name failslab, interval 1, probability 0, space 0, times 0 [ 200.494873] do_mount+0xe53/0x2a00 [ 200.532562] ? do_raw_spin_unlock+0x164/0x220 [ 200.537041] ? copy_mount_string+0x40/0x40 [ 200.541256] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 200.546254] ? copy_mnt_ns+0xa30/0xa30 [ 200.550139] ? copy_mount_options+0x1fa/0x2f0 [ 200.554632] ? copy_mnt_ns+0xa30/0xa30 [ 200.558505] SyS_mount+0xa8/0x120 [ 200.561947] ? copy_mnt_ns+0xa30/0xa30 [ 200.565815] do_syscall_64+0x1d5/0x640 [ 200.569706] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 200.574889] RIP: 0033:0x44e51a executing program executing program executing program [ 200.578058] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 200.585748] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 200.593126] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 200.600388] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 200.607660] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 200.614996] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 200.629370] CPU: 0 PID: 9324 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 200.634518] FAT-fs (loop5): bogus number of reserved sectors [ 200.637278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 200.637282] Call Trace: [ 200.637297] dump_stack+0x1b2/0x283 [ 200.637309] should_fail.cold+0x10a/0x154 [ 200.637320] should_failslab+0xd6/0x130 [ 200.643251] FAT-fs (loop5): Can't find a valid FAT filesystem [ 200.652474] kmem_cache_alloc+0x28e/0x3c0 [ 200.652485] alloc_buffer_head+0x20/0x110 [ 200.652493] alloc_page_buffers+0xb3/0x1f0 [ 200.652503] __getblk_slow+0x2d6/0x7a0 [ 200.652516] ? vfat_cmpi+0x3a0/0x3a0 [ 200.652524] __bread_gfp+0x206/0x2e0 [ 200.652533] fat_fill_super+0x2f9/0x31b0 [ 200.652542] ? vsnprintf+0x260/0x1340 [ 200.652554] ? fat_write_end+0x280/0x280 [ 200.709264] ? lock_downgrade+0x740/0x740 [ 200.713587] ? snprintf+0xa5/0xd0 [ 200.717021] ? vsprintf+0x30/0x30 [ 200.720484] ? ns_test_super+0x50/0x50 [ 200.724360] ? set_blocksize+0x125/0x380 [ 200.728425] mount_bdev+0x2b3/0x360 [ 200.732044] ? vfat_mount+0x40/0x40 [ 200.735666] mount_fs+0x92/0x2a0 [ 200.739018] vfs_kern_mount.part.0+0x5b/0x470 [ 200.743948] do_mount+0xe53/0x2a00 [ 200.747471] ? do_raw_spin_unlock+0x164/0x220 [ 200.751950] ? copy_mount_string+0x40/0x40 [ 200.756167] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 200.761167] ? copy_mnt_ns+0xa30/0xa30 [ 200.765036] ? copy_mount_options+0x1fa/0x2f0 [ 200.769547] ? copy_mnt_ns+0xa30/0xa30 [ 200.773415] SyS_mount+0xa8/0x120 [ 200.776849] ? copy_mnt_ns+0xa30/0xa30 [ 200.780718] do_syscall_64+0x1d5/0x640 [ 200.784611] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 200.789782] RIP: 0033:0x44e51a [ 200.792952] RSP: 002b:00007f069ce2db28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 200.800657] RAX: ffffffffffffffda RBX: 00007f069ce2db30 RCX: 000000000044e51a [ 200.807912] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce2db30 [ 200.815159] RBP: 0000000000000005 R08: 00007f069ce2db70 R09: 6f6f6c2f7665642f [ 200.822426] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 [ 200.829675] R13: 0000000000000000 R14: 00007f069ce2db70 R15: 00007f069ce2e6d4 [ 200.836958] CPU: 1 PID: 9321 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 200.844847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 200.854213] Call Trace: [ 200.856805] dump_stack+0x1b2/0x283 [ 200.857718] FAT-fs (loop0): bogus number of reserved sectors [ 200.860696] should_fail.cold+0x10a/0x154 [ 200.860710] should_failslab+0xd6/0x130 [ 200.860721] kmem_cache_alloc+0x28e/0x3c0 [ 200.860731] alloc_buffer_head+0x20/0x110 [ 200.860738] alloc_page_buffers+0xb3/0x1f0 [ 200.860748] __getblk_slow+0x2d6/0x7a0 [ 200.860761] ? vfat_cmpi+0x3a0/0x3a0 [ 200.866818] FAT-fs (loop0): Can't find a valid FAT filesystem [ 200.870835] __bread_gfp+0x206/0x2e0 [ 200.870847] fat_fill_super+0x2f9/0x31b0 [ 200.870858] ? vsnprintf+0x260/0x1340 [ 200.870871] ? fat_write_end+0x280/0x280 [ 200.870881] ? lock_downgrade+0x740/0x740 [ 200.870889] ? snprintf+0xa5/0xd0 [ 200.870894] ? vsprintf+0x30/0x30 [ 200.870905] ? ns_test_super+0x50/0x50 [ 200.870913] ? set_blocksize+0x125/0x380 [ 200.870926] mount_bdev+0x2b3/0x360 [ 200.885088] FAULT_INJECTION: forcing a failure. [ 200.885088] name failslab, interval 1, probability 0, space 0, times 0 [ 200.887376] ? vfat_mount+0x40/0x40 [ 200.887388] mount_fs+0x92/0x2a0 [ 200.887402] vfs_kern_mount.part.0+0x5b/0x470 [ 200.887412] do_mount+0xe53/0x2a00 [ 200.887424] ? do_raw_spin_unlock+0x164/0x220 [ 200.969498] ? copy_mount_string+0x40/0x40 [ 200.973718] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 200.978719] ? copy_mnt_ns+0xa30/0xa30 [ 200.982619] ? copy_mount_options+0x1fa/0x2f0 [ 200.987094] ? copy_mnt_ns+0xa30/0xa30 [ 200.990961] SyS_mount+0xa8/0x120 [ 200.994400] ? copy_mnt_ns+0xa30/0xa30 [ 200.998277] do_syscall_64+0x1d5/0x640 [ 201.002151] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 201.007319] RIP: 0033:0x44e51a [ 201.010511] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 201.018198] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 201.025457] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 executing program [ 201.032759] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 201.040013] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 201.047268] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 201.054538] CPU: 0 PID: 9338 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 201.062423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 201.071777] Call Trace: [ 201.074374] dump_stack+0x1b2/0x283 [ 201.078008] should_fail.cold+0x10a/0x154 [ 201.082157] should_failslab+0xd6/0x130 [ 201.086131] kmem_cache_alloc+0x28e/0x3c0 [ 201.090275] alloc_buffer_head+0x20/0x110 [ 201.094448] alloc_page_buffers+0xb3/0x1f0 [ 201.098679] __getblk_slow+0x2d6/0x7a0 [ 201.102571] ? vfat_cmpi+0x3a0/0x3a0 [ 201.106287] __bread_gfp+0x206/0x2e0 [ 201.109999] fat_fill_super+0x2f9/0x31b0 [ 201.114836] ? vsnprintf+0x260/0x1340 [ 201.118640] ? fat_write_end+0x280/0x280 [ 201.122683] ? lock_downgrade+0x740/0x740 [ 201.126828] ? snprintf+0xa5/0xd0 [ 201.130295] ? vsprintf+0x30/0x30 [ 201.133732] ? ns_test_super+0x50/0x50 [ 201.137605] ? set_blocksize+0x125/0x380 [ 201.141649] mount_bdev+0x2b3/0x360 [ 201.145256] ? vfat_mount+0x40/0x40 [ 201.148883] mount_fs+0x92/0x2a0 [ 201.152238] vfs_kern_mount.part.0+0x5b/0x470 [ 201.156718] do_mount+0xe53/0x2a00 [ 201.160258] ? copy_mount_string+0x40/0x40 [ 201.164477] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 201.169474] ? copy_mnt_ns+0xa30/0xa30 [ 201.173354] ? copy_mount_options+0x1fa/0x2f0 [ 201.177831] ? copy_mnt_ns+0xa30/0xa30 [ 201.181743] SyS_mount+0xa8/0x120 [ 201.185199] ? copy_mnt_ns+0xa30/0xa30 [ 201.189083] do_syscall_64+0x1d5/0x640 [ 201.192978] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 201.198161] RIP: 0033:0x44e51a [ 201.201353] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 201.209042] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 201.216321] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 201.223574] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 201.230832] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 201.238097] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 201.245386] CPU: 1 PID: 9323 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 201.253271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 201.262620] Call Trace: [ 201.265207] dump_stack+0x1b2/0x283 [ 201.268837] should_fail.cold+0x10a/0x154 [ 201.272996] should_failslab+0xd6/0x130 [ 201.276976] kmem_cache_alloc+0x28e/0x3c0 [ 201.278052] FAT-fs (loop4): bogus number of reserved sectors [ 201.281119] alloc_buffer_head+0x20/0x110 [ 201.281128] alloc_page_buffers+0xb3/0x1f0 [ 201.281141] __getblk_slow+0x2d6/0x7a0 [ 201.281154] ? vfat_cmpi+0x3a0/0x3a0 [ 201.281162] __bread_gfp+0x206/0x2e0 [ 201.281170] fat_fill_super+0x2f9/0x31b0 [ 201.281180] ? vsnprintf+0x260/0x1340 [ 201.287068] FAT-fs (loop4): Can't find a valid FAT filesystem [ 201.291126] ? fat_write_end+0x280/0x280 [ 201.291137] ? lock_downgrade+0x740/0x740 [ 201.291148] ? snprintf+0xa5/0xd0 [ 201.291154] ? vsprintf+0x30/0x30 [ 201.291164] ? ns_test_super+0x50/0x50 [ 201.291173] ? set_blocksize+0x125/0x380 [ 201.291183] mount_bdev+0x2b3/0x360 [ 201.291189] ? vfat_mount+0x40/0x40 [ 201.291198] mount_fs+0x92/0x2a0 [ 201.353861] vfs_kern_mount.part.0+0x5b/0x470 [ 201.358337] do_mount+0xe53/0x2a00 [ 201.361859] ? copy_mount_string+0x40/0x40 [ 201.366069] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 201.371065] ? copy_mnt_ns+0xa30/0xa30 [ 201.374931] ? copy_mount_options+0x1fa/0x2f0 [ 201.379415] ? copy_mnt_ns+0xa30/0xa30 [ 201.383381] SyS_mount+0xa8/0x120 [ 201.386823] ? copy_mnt_ns+0xa30/0xa30 [ 201.390706] do_syscall_64+0x1d5/0x640 [ 201.394577] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 201.399746] RIP: 0033:0x44e51a [ 201.402912] RSP: 002b:00007f069ce2db28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 201.410597] RAX: ffffffffffffffda RBX: 00007f069ce2db30 RCX: 000000000044e51a [ 201.417844] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce2db30 [ 201.425092] RBP: 0000000000000005 R08: 00007f069ce2db70 R09: 6f6f6c2f7665642f executing program executing program [ 201.432360] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 [ 201.439609] R13: 0000000000000000 R14: 00007f069ce2db70 R15: 00007f069ce2e6d4 [ 201.461863] FAT-fs (loop1): bogus number of reserved sectors [ 201.463559] FAT-fs (loop2): bogus number of reserved sectors [ 201.470868] FAT-fs (loop1): Can't find a valid FAT filesystem [ 201.483198] FAT-fs (loop2): Can't find a valid FAT filesystem [ 201.484830] FAT-fs (loop3): bogus number of reserved sectors [ 201.495708] FAT-fs (loop3): Can't find a valid FAT filesystem [ 201.619817] FAULT_INJECTION: forcing a failure. [ 201.619817] name failslab, interval 1, probability 0, space 0, times 0 [ 201.621050] FAULT_INJECTION: forcing a failure. [ 201.621050] name failslab, interval 1, probability 0, space 0, times 0 [ 201.644443] CPU: 1 PID: 9353 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 201.652335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 201.661709] Call Trace: [ 201.664317] dump_stack+0x1b2/0x283 [ 201.668042] should_fail.cold+0x10a/0x154 [ 201.672185] should_failslab+0xd6/0x130 [ 201.676161] kmem_cache_alloc+0x28e/0x3c0 [ 201.680312] alloc_buffer_head+0x20/0x110 [ 201.684462] alloc_page_buffers+0xb3/0x1f0 [ 201.688704] __getblk_slow+0x2d6/0x7a0 [ 201.692599] ? vfat_cmpi+0x3a0/0x3a0 [ 201.696318] __bread_gfp+0x206/0x2e0 [ 201.700037] fat_fill_super+0x2f9/0x31b0 [ 201.704096] ? vsnprintf+0x260/0x1340 [ 201.707934] ? fat_write_end+0x280/0x280 [ 201.711997] ? lock_downgrade+0x740/0x740 [ 201.716135] ? snprintf+0xa5/0xd0 [ 201.719582] ? vsprintf+0x30/0x30 [ 201.724510] ? ns_test_super+0x50/0x50 [ 201.729981] ? set_blocksize+0x125/0x380 [ 201.734040] mount_bdev+0x2b3/0x360 [ 201.737657] ? vfat_mount+0x40/0x40 [ 201.741367] mount_fs+0x92/0x2a0 [ 201.744736] vfs_kern_mount.part.0+0x5b/0x470 [ 201.749229] do_mount+0xe53/0x2a00 [ 201.752768] ? copy_mount_string+0x40/0x40 [ 201.756990] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 201.761987] ? copy_mnt_ns+0xa30/0xa30 [ 201.765945] ? copy_mount_options+0x1fa/0x2f0 [ 201.770432] ? copy_mnt_ns+0xa30/0xa30 [ 201.774308] SyS_mount+0xa8/0x120 [ 201.777744] ? copy_mnt_ns+0xa30/0xa30 [ 201.781612] do_syscall_64+0x1d5/0x640 [ 201.785483] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 201.790662] RIP: 0033:0x44e51a [ 201.793832] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 201.801520] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 201.808952] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 executing program [ 201.816230] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 201.823651] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 201.830999] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 201.838260] CPU: 0 PID: 9348 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 201.846148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 201.849336] FAT-fs (loop5): bogus number of reserved sectors [ 201.855493] Call Trace: [ 201.855537] dump_stack+0x1b2/0x283 [ 201.855548] should_fail.cold+0x10a/0x154 [ 201.855559] should_failslab+0xd6/0x130 [ 201.855568] kmem_cache_alloc_trace+0x29a/0x3d0 [ 201.855577] ? dev_uevent_filter+0xd0/0xd0 [ 201.855585] kobject_uevent_env+0x20c/0xf40 [ 201.855602] loop_clr_fd+0x59f/0xc20 [ 201.855614] lo_ioctl+0x895/0x1cd0 [ 201.855624] ? kasan_slab_free+0x12d/0x1a0 [ 201.855630] ? loop_set_status64+0xe0/0xe0 [ 201.855641] blkdev_ioctl+0x540/0x1830 [ 201.855651] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 201.855659] ? blkpg_ioctl+0x8d0/0x8d0 [ 201.855666] ? lock_downgrade+0x740/0x740 [ 201.855672] ? trace_hardirqs_on+0x10/0x10 [ 201.855681] ? debug_check_no_obj_freed+0x2c0/0x674 [ 201.855690] ? lock_acquire+0x170/0x3f0 [ 201.855701] block_ioctl+0xd9/0x120 [ 201.855709] ? blkdev_fallocate+0x3a0/0x3a0 [ 201.855717] do_vfs_ioctl+0x75a/0xff0 [ 201.855729] ? ioctl_preallocate+0x1a0/0x1a0 [ 201.861671] FAT-fs (loop5): Can't find a valid FAT filesystem [ 201.864090] ? lock_downgrade+0x740/0x740 [ 201.864104] ? __fget+0x225/0x360 [ 201.864113] ? do_vfs_ioctl+0xff0/0xff0 [ 201.864123] ? security_file_ioctl+0x83/0xb0 [ 201.974526] SyS_ioctl+0x7f/0xb0 [ 201.977883] ? do_vfs_ioctl+0xff0/0xff0 [ 201.981835] do_syscall_64+0x1d5/0x640 [ 201.985705] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 201.990871] RIP: 0033:0x44b9d7 [ 201.994039] RSP: 002b:00007f069ce2db28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 202.001725] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000044b9d7 [ 202.008975] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 202.016221] RBP: 0000000000000005 R08: 00007f069ce2db70 R09: 6f6f6c2f7665642f [ 202.023555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 202.030811] R13: 0000000000000016 R14: 00007f069ce2db70 R15: 00007f069ce2e6d4 executing program executing program executing program [ 202.063280] FAULT_INJECTION: forcing a failure. [ 202.063280] name failslab, interval 1, probability 0, space 0, times 0 [ 202.087173] CPU: 0 PID: 9364 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 202.095079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 202.104462] Call Trace: [ 202.107048] dump_stack+0x1b2/0x283 [ 202.110687] should_fail.cold+0x10a/0x154 [ 202.114847] should_failslab+0xd6/0x130 [ 202.118823] kmem_cache_alloc+0x28e/0x3c0 [ 202.122969] alloc_buffer_head+0x20/0x110 [ 202.127115] alloc_page_buffers+0xb3/0x1f0 [ 202.131352] __getblk_slow+0x2d6/0x7a0 [ 202.135242] ? vfat_cmpi+0x3a0/0x3a0 [ 202.138967] __bread_gfp+0x206/0x2e0 [ 202.142685] fat_fill_super+0x2f9/0x31b0 [ 202.146746] ? vsnprintf+0x260/0x1340 [ 202.150553] ? fat_write_end+0x280/0x280 [ 202.154612] ? lock_downgrade+0x740/0x740 [ 202.158760] ? snprintf+0xa5/0xd0 executing program [ 202.162223] ? vsprintf+0x30/0x30 [ 202.165675] ? ns_test_super+0x50/0x50 [ 202.169590] ? set_blocksize+0x125/0x380 [ 202.173653] mount_bdev+0x2b3/0x360 [ 202.176587] FAULT_INJECTION: forcing a failure. [ 202.176587] name failslab, interval 1, probability 0, space 0, times 0 [ 202.177272] ? vfat_mount+0x40/0x40 [ 202.177285] mount_fs+0x92/0x2a0 [ 202.177296] vfs_kern_mount.part.0+0x5b/0x470 [ 202.177308] do_mount+0xe53/0x2a00 [ 202.203456] ? do_raw_spin_unlock+0x164/0x220 [ 202.207952] ? copy_mount_string+0x40/0x40 [ 202.209017] FAULT_INJECTION: forcing a failure. [ 202.209017] name failslab, interval 1, probability 0, space 0, times 0 [ 202.212181] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 202.212191] ? copy_mnt_ns+0xa30/0xa30 [ 202.212200] ? copy_mount_options+0x1fa/0x2f0 [ 202.212208] ? copy_mnt_ns+0xa30/0xa30 [ 202.212219] SyS_mount+0xa8/0x120 [ 202.212226] ? copy_mnt_ns+0xa30/0xa30 [ 202.212235] do_syscall_64+0x1d5/0x640 [ 202.212249] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 202.212255] RIP: 0033:0x44e51a [ 202.212263] RSP: 002b:00007f069ce2db28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 202.267805] RAX: ffffffffffffffda RBX: 00007f069ce2db30 RCX: 000000000044e51a [ 202.275072] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce2db30 [ 202.282328] RBP: 0000000000000005 R08: 00007f069ce2db70 R09: 6f6f6c2f7665642f [ 202.289582] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 [ 202.296835] R13: 0000000000000000 R14: 00007f069ce2db70 R15: 00007f069ce2e6d4 [ 202.304099] CPU: 1 PID: 9392 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 202.308000] FAULT_INJECTION: forcing a failure. [ 202.308000] name failslab, interval 1, probability 0, space 0, times 0 [ 202.311986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 202.311990] Call Trace: [ 202.312003] dump_stack+0x1b2/0x283 [ 202.312016] should_fail.cold+0x10a/0x154 [ 202.312026] should_failslab+0xd6/0x130 [ 202.312036] kmem_cache_alloc+0x28e/0x3c0 [ 202.312049] alloc_buffer_head+0x20/0x110 [ 202.355084] alloc_page_buffers+0xb3/0x1f0 [ 202.359583] __getblk_slow+0x2d6/0x7a0 [ 202.363468] ? vfat_cmpi+0x3a0/0x3a0 [ 202.367168] __bread_gfp+0x206/0x2e0 [ 202.370887] fat_fill_super+0x2f9/0x31b0 [ 202.374937] ? vsnprintf+0x260/0x1340 [ 202.378719] ? fat_write_end+0x280/0x280 [ 202.382760] ? lock_downgrade+0x740/0x740 [ 202.386888] ? snprintf+0xa5/0xd0 [ 202.390335] ? vsprintf+0x30/0x30 [ 202.393792] ? ns_test_super+0x50/0x50 [ 202.397660] ? set_blocksize+0x125/0x380 [ 202.401703] mount_bdev+0x2b3/0x360 [ 202.405324] ? vfat_mount+0x40/0x40 [ 202.408929] mount_fs+0x92/0x2a0 [ 202.412275] vfs_kern_mount.part.0+0x5b/0x470 [ 202.416750] do_mount+0xe53/0x2a00 [ 202.420271] ? do_raw_spin_unlock+0x164/0x220 [ 202.425024] ? copy_mount_string+0x40/0x40 [ 202.429251] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 202.434273] ? copy_mnt_ns+0xa30/0xa30 [ 202.438163] ? copy_mount_options+0x1fa/0x2f0 [ 202.442636] ? copy_mnt_ns+0xa30/0xa30 [ 202.446503] SyS_mount+0xa8/0x120 [ 202.449935] ? copy_mnt_ns+0xa30/0xa30 [ 202.453808] do_syscall_64+0x1d5/0x640 [ 202.457721] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 202.462889] RIP: 0033:0x44e51a [ 202.466058] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 202.473746] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 202.481003] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 202.488256] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 202.495504] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 202.502770] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 202.510048] CPU: 0 PID: 9379 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 202.517973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 202.527346] Call Trace: [ 202.529945] dump_stack+0x1b2/0x283 [ 202.533569] should_fail.cold+0x10a/0x154 [ 202.537714] should_failslab+0xd6/0x130 [ 202.541684] kmem_cache_alloc+0x28e/0x3c0 [ 202.545827] alloc_buffer_head+0x20/0x110 [ 202.550051] alloc_page_buffers+0xb3/0x1f0 [ 202.554283] __getblk_slow+0x2d6/0x7a0 [ 202.558165] ? vfat_cmpi+0x3a0/0x3a0 [ 202.561951] __bread_gfp+0x206/0x2e0 [ 202.565796] fat_fill_super+0x2f9/0x31b0 [ 202.569842] ? vsnprintf+0x260/0x1340 [ 202.573988] ? fat_write_end+0x280/0x280 [ 202.578035] ? lock_downgrade+0x740/0x740 [ 202.582181] ? snprintf+0xa5/0xd0 [ 202.585616] ? vsprintf+0x30/0x30 [ 202.589051] ? ns_test_super+0x50/0x50 [ 202.592920] ? set_blocksize+0x125/0x380 [ 202.596979] mount_bdev+0x2b3/0x360 [ 202.600602] ? vfat_mount+0x40/0x40 [ 202.604219] mount_fs+0x92/0x2a0 [ 202.607565] vfs_kern_mount.part.0+0x5b/0x470 [ 202.612039] do_mount+0xe53/0x2a00 [ 202.615563] ? copy_mount_string+0x40/0x40 [ 202.619788] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 202.624882] ? copy_mnt_ns+0xa30/0xa30 [ 202.628758] ? copy_mount_options+0x1fa/0x2f0 [ 202.633344] ? copy_mnt_ns+0xa30/0xa30 [ 202.637233] SyS_mount+0xa8/0x120 [ 202.640681] ? copy_mnt_ns+0xa30/0xa30 [ 202.644555] do_syscall_64+0x1d5/0x640 [ 202.648429] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 202.653614] RIP: 0033:0x44e51a [ 202.656801] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 202.664512] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 202.671855] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 202.679115] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 202.686377] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 202.693628] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 202.701163] CPU: 1 PID: 9378 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 202.709055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 202.718402] Call Trace: [ 202.720998] dump_stack+0x1b2/0x283 [ 202.724629] should_fail.cold+0x10a/0x154 [ 202.728778] should_failslab+0xd6/0x130 [ 202.732750] kmem_cache_alloc+0x28e/0x3c0 [ 202.736898] alloc_buffer_head+0x20/0x110 [ 202.741044] alloc_page_buffers+0xb3/0x1f0 [ 202.742416] FAT-fs (loop4): bogus number of reserved sectors [ 202.745271] __getblk_slow+0x2d6/0x7a0 [ 202.745285] ? vfat_cmpi+0x3a0/0x3a0 [ 202.745294] __bread_gfp+0x206/0x2e0 [ 202.751162] FAT-fs (loop4): Can't find a valid FAT filesystem [ 202.754952] fat_fill_super+0x2f9/0x31b0 [ 202.754964] ? vsnprintf+0x260/0x1340 [ 202.754974] ? fat_write_end+0x280/0x280 [ 202.780067] ? lock_downgrade+0x740/0x740 [ 202.784198] ? snprintf+0xa5/0xd0 [ 202.787642] ? vsprintf+0x30/0x30 [ 202.791087] ? ns_test_super+0x50/0x50 [ 202.794956] ? set_blocksize+0x125/0x380 [ 202.799005] mount_bdev+0x2b3/0x360 [ 202.802611] ? vfat_mount+0x40/0x40 [ 202.806218] mount_fs+0x92/0x2a0 [ 202.809566] vfs_kern_mount.part.0+0x5b/0x470 [ 202.814042] do_mount+0xe53/0x2a00 [ 202.817560] ? do_raw_spin_unlock+0x164/0x220 [ 202.822037] ? copy_mount_string+0x40/0x40 [ 202.826290] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 202.831305] ? copy_mnt_ns+0xa30/0xa30 [ 202.835185] ? copy_mount_options+0x1fa/0x2f0 [ 202.839661] ? copy_mnt_ns+0xa30/0xa30 [ 202.843530] SyS_mount+0xa8/0x120 [ 202.846980] ? copy_mnt_ns+0xa30/0xa30 [ 202.850850] do_syscall_64+0x1d5/0x640 [ 202.854720] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 202.859899] RIP: 0033:0x44e51a [ 202.863073] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 202.870756] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 202.878001] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 202.885248] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 202.892510] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 202.899942] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 executing program executing program [ 202.917697] FAT-fs (loop0): bogus number of reserved sectors [ 202.925014] FAT-fs (loop0): Can't find a valid FAT filesystem [ 202.949199] FAT-fs (loop2): bogus number of reserved sectors [ 202.955950] FAT-fs (loop2): Can't find a valid FAT filesystem [ 202.958074] FAT-fs (loop3): bogus number of reserved sectors [ 202.968038] FAT-fs (loop3): Can't find a valid FAT filesystem [ 202.972429] FAULT_INJECTION: forcing a failure. [ 202.972429] name failslab, interval 1, probability 0, space 0, times 0 [ 202.986427] CPU: 1 PID: 9407 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 202.994429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 203.004715] Call Trace: [ 203.007284] dump_stack+0x1b2/0x283 [ 203.011005] should_fail.cold+0x10a/0x154 [ 203.015144] should_failslab+0xd6/0x130 [ 203.019106] kmem_cache_alloc+0x28e/0x3c0 [ 203.023236] alloc_buffer_head+0x20/0x110 [ 203.027472] alloc_page_buffers+0xb3/0x1f0 [ 203.031712] __getblk_slow+0x2d6/0x7a0 [ 203.035591] ? vfat_cmpi+0x3a0/0x3a0 [ 203.039288] __bread_gfp+0x206/0x2e0 [ 203.042983] fat_fill_super+0x2f9/0x31b0 [ 203.047030] ? vsnprintf+0x260/0x1340 [ 203.050852] ? fat_write_end+0x280/0x280 [ 203.054901] ? lock_downgrade+0x740/0x740 [ 203.059035] ? snprintf+0xa5/0xd0 [ 203.062487] ? vsprintf+0x30/0x30 [ 203.065925] ? ns_test_super+0x50/0x50 [ 203.069806] ? set_blocksize+0x125/0x380 [ 203.073872] mount_bdev+0x2b3/0x360 [ 203.077478] ? vfat_mount+0x40/0x40 [ 203.081270] mount_fs+0x92/0x2a0 [ 203.084614] vfs_kern_mount.part.0+0x5b/0x470 [ 203.089101] do_mount+0xe53/0x2a00 [ 203.092622] ? do_raw_spin_unlock+0x164/0x220 [ 203.097108] ? copy_mount_string+0x40/0x40 [ 203.101319] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 203.106325] ? copy_mnt_ns+0xa30/0xa30 [ 203.110190] ? copy_mount_options+0x1fa/0x2f0 [ 203.114727] ? copy_mnt_ns+0xa30/0xa30 [ 203.118590] SyS_mount+0xa8/0x120 [ 203.122041] ? copy_mnt_ns+0xa30/0xa30 [ 203.125919] do_syscall_64+0x1d5/0x640 [ 203.129803] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 203.134982] RIP: 0033:0x44e51a [ 203.138149] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 203.146356] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 203.153604] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 203.160857] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 203.168112] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 203.175358] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 203.189601] FAT-fs (loop1): bogus number of reserved sectors [ 203.195540] FAT-fs (loop1): Can't find a valid FAT filesystem [ 203.219827] FAULT_INJECTION: forcing a failure. [ 203.219827] name failslab, interval 1, probability 0, space 0, times 0 [ 203.231846] CPU: 0 PID: 9405 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 203.240695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 203.250061] Call Trace: [ 203.252631] dump_stack+0x1b2/0x283 [ 203.256256] should_fail.cold+0x10a/0x154 [ 203.260400] should_failslab+0xd6/0x130 [ 203.264355] kmem_cache_alloc+0x28e/0x3c0 [ 203.268489] alloc_buffer_head+0x20/0x110 [ 203.272630] alloc_page_buffers+0xb3/0x1f0 [ 203.276845] __getblk_slow+0x2d6/0x7a0 [ 203.280717] ? vfat_cmpi+0x3a0/0x3a0 [ 203.284409] __bread_gfp+0x206/0x2e0 [ 203.288106] fat_fill_super+0x2f9/0x31b0 [ 203.292146] ? vsnprintf+0x260/0x1340 [ 203.295932] ? fat_write_end+0x280/0x280 [ 203.300091] ? lock_downgrade+0x740/0x740 [ 203.304225] ? snprintf+0xa5/0xd0 [ 203.307662] ? vsprintf+0x30/0x30 [ 203.311252] ? ns_test_super+0x50/0x50 [ 203.315129] ? set_blocksize+0x125/0x380 [ 203.319230] mount_bdev+0x2b3/0x360 [ 203.322850] ? vfat_mount+0x40/0x40 [ 203.326458] mount_fs+0x92/0x2a0 [ 203.329807] vfs_kern_mount.part.0+0x5b/0x470 [ 203.334397] do_mount+0xe53/0x2a00 [ 203.337927] ? copy_mount_string+0x40/0x40 [ 203.342157] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 203.347150] ? copy_mnt_ns+0xa30/0xa30 [ 203.351017] ? copy_mount_options+0x1fa/0x2f0 [ 203.355571] ? copy_mnt_ns+0xa30/0xa30 [ 203.359434] SyS_mount+0xa8/0x120 [ 203.362870] ? copy_mnt_ns+0xa30/0xa30 [ 203.366747] do_syscall_64+0x1d5/0x640 [ 203.370631] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 203.375795] RIP: 0033:0x44e51a [ 203.378961] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 203.386643] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 203.393890] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 203.401155] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 203.408427] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 203.415710] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 203.432527] FAT-fs (loop5): bogus number of reserved sectors [ 203.438443] FAT-fs (loop5): Can't find a valid FAT filesystem executing program executing program executing program [ 203.526970] FAULT_INJECTION: forcing a failure. [ 203.526970] name failslab, interval 1, probability 0, space 0, times 0 [ 203.538543] CPU: 0 PID: 9418 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 203.546580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 203.555915] Call Trace: [ 203.558500] dump_stack+0x1b2/0x283 [ 203.562127] should_fail.cold+0x10a/0x154 [ 203.566280] should_failslab+0xd6/0x130 [ 203.570256] kmem_cache_alloc+0x28e/0x3c0 [ 203.574406] alloc_buffer_head+0x20/0x110 [ 203.578548] alloc_page_buffers+0xb3/0x1f0 [ 203.582765] __getblk_slow+0x2d6/0x7a0 [ 203.586634] ? vfat_cmpi+0x3a0/0x3a0 [ 203.590341] __bread_gfp+0x206/0x2e0 [ 203.594035] fat_fill_super+0x2f9/0x31b0 [ 203.598089] ? vsnprintf+0x260/0x1340 [ 203.601873] ? fat_write_end+0x280/0x280 [ 203.605912] ? lock_downgrade+0x740/0x740 [ 203.610039] ? snprintf+0xa5/0xd0 [ 203.613483] ? vsprintf+0x30/0x30 [ 203.616914] ? ns_test_super+0x50/0x50 [ 203.620788] ? set_blocksize+0x125/0x380 [ 203.624834] mount_bdev+0x2b3/0x360 [ 203.628444] ? vfat_mount+0x40/0x40 [ 203.632053] mount_fs+0x92/0x2a0 [ 203.635400] vfs_kern_mount.part.0+0x5b/0x470 [ 203.639915] do_mount+0xe53/0x2a00 [ 203.643439] ? copy_mount_string+0x40/0x40 [ 203.647660] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 203.652669] ? copy_mnt_ns+0xa30/0xa30 [ 203.656555] ? copy_mount_options+0x1fa/0x2f0 [ 203.661032] ? copy_mnt_ns+0xa30/0xa30 [ 203.664900] SyS_mount+0xa8/0x120 [ 203.668332] ? copy_mnt_ns+0xa30/0xa30 [ 203.672226] do_syscall_64+0x1d5/0x640 [ 203.676098] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 203.681276] RIP: 0033:0x44e51a [ 203.684443] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 203.692302] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 203.700609] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 203.707874] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 203.715143] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 executing program [ 203.722393] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 203.735214] FAT-fs (loop0): bogus number of reserved sectors [ 203.741175] FAT-fs (loop0): Can't find a valid FAT filesystem executing program executing program executing program executing program [ 203.790481] FAULT_INJECTION: forcing a failure. [ 203.790481] name failslab, interval 1, probability 0, space 0, times 0 [ 203.805334] CPU: 0 PID: 9431 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 203.813241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 203.822601] Call Trace: [ 203.825334] dump_stack+0x1b2/0x283 [ 203.828968] should_fail.cold+0x10a/0x154 [ 203.833120] should_failslab+0xd6/0x130 [ 203.837102] kmem_cache_alloc+0x28e/0x3c0 [ 203.841306] alloc_buffer_head+0x20/0x110 [ 203.845542] alloc_page_buffers+0xb3/0x1f0 [ 203.849799] __getblk_slow+0x2d6/0x7a0 [ 203.853702] ? vfat_cmpi+0x3a0/0x3a0 [ 203.857419] __bread_gfp+0x206/0x2e0 [ 203.861159] fat_fill_super+0x2f9/0x31b0 [ 203.865313] ? vsnprintf+0x260/0x1340 [ 203.869124] ? fat_write_end+0x280/0x280 [ 203.873194] ? lock_downgrade+0x740/0x740 [ 203.877360] ? snprintf+0xa5/0xd0 [ 203.880818] ? vsprintf+0x30/0x30 [ 203.882662] FAULT_INJECTION: forcing a failure. [ 203.882662] name failslab, interval 1, probability 0, space 0, times 0 [ 203.884273] ? ns_test_super+0x50/0x50 [ 203.884284] ? set_blocksize+0x125/0x380 [ 203.884296] mount_bdev+0x2b3/0x360 [ 203.884308] ? vfat_mount+0x40/0x40 [ 203.910784] mount_fs+0x92/0x2a0 [ 203.914194] vfs_kern_mount.part.0+0x5b/0x470 [ 203.918706] do_mount+0xe53/0x2a00 [ 203.922251] ? do_raw_spin_unlock+0x164/0x220 [ 203.922689] FAULT_INJECTION: forcing a failure. [ 203.922689] name failslab, interval 1, probability 0, space 0, times 0 [ 203.926772] ? copy_mount_string+0x40/0x40 [ 203.942207] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 203.947315] ? copy_mnt_ns+0xa30/0xa30 [ 203.951207] ? copy_mount_options+0x1fa/0x2f0 [ 203.955708] ? copy_mnt_ns+0xa30/0xa30 [ 203.959588] SyS_mount+0xa8/0x120 [ 203.963033] ? copy_mnt_ns+0xa30/0xa30 [ 203.966909] do_syscall_64+0x1d5/0x640 [ 203.970791] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 203.976087] RIP: 0033:0x44e51a [ 203.979262] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 203.987072] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 203.995216] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 204.002478] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 204.009875] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 204.017246] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 204.024933] FAULT_INJECTION: forcing a failure. [ 204.024933] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 204.038353] FAULT_INJECTION: forcing a failure. [ 204.038353] name failslab, interval 1, probability 0, space 0, times 0 [ 204.055501] FAULT_INJECTION: forcing a failure. [ 204.055501] name failslab, interval 1, probability 0, space 0, times 0 [ 204.070701] FAT-fs (loop5): bogus number of reserved sectors [ 204.071521] CPU: 1 PID: 9442 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 204.082087] FAT-fs (loop5): Can't find a valid FAT filesystem [ 204.084574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 204.084578] Call Trace: [ 204.084590] dump_stack+0x1b2/0x283 [ 204.084601] should_fail.cold+0x10a/0x154 [ 204.084616] should_failslab+0xd6/0x130 [ 204.084627] kmem_cache_alloc+0x28e/0x3c0 [ 204.084639] alloc_buffer_head+0x20/0x110 [ 204.084647] alloc_page_buffers+0xb3/0x1f0 [ 204.084658] __getblk_slow+0x2d6/0x7a0 [ 204.131963] ? vfat_cmpi+0x3a0/0x3a0 [ 204.135669] __bread_gfp+0x206/0x2e0 [ 204.139374] fat_fill_super+0x2f9/0x31b0 [ 204.143431] ? vsnprintf+0x260/0x1340 [ 204.147271] ? fat_write_end+0x280/0x280 [ 204.151331] ? lock_downgrade+0x740/0x740 [ 204.155621] ? snprintf+0xa5/0xd0 [ 204.160224] ? vsprintf+0x30/0x30 [ 204.163699] ? ns_test_super+0x50/0x50 [ 204.167581] ? set_blocksize+0x125/0x380 [ 204.171640] mount_bdev+0x2b3/0x360 [ 204.175340] ? vfat_mount+0x40/0x40 [ 204.179017] mount_fs+0x92/0x2a0 [ 204.182382] vfs_kern_mount.part.0+0x5b/0x470 [ 204.186870] do_mount+0xe53/0x2a00 [ 204.190401] ? do_raw_spin_unlock+0x164/0x220 [ 204.194888] ? copy_mount_string+0x40/0x40 [ 204.199113] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 204.204119] ? copy_mnt_ns+0xa30/0xa30 [ 204.207995] ? copy_mount_options+0x1fa/0x2f0 [ 204.212878] ? copy_mnt_ns+0xa30/0xa30 [ 204.216854] SyS_mount+0xa8/0x120 [ 204.220335] ? copy_mnt_ns+0xa30/0xa30 [ 204.224272] do_syscall_64+0x1d5/0x640 [ 204.228199] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 204.233428] RIP: 0033:0x44e51a [ 204.236650] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 204.244452] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 204.251897] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 204.259250] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 204.267608] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 204.274870] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 204.282175] CPU: 0 PID: 9458 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 204.290075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 204.299449] Call Trace: [ 204.302046] dump_stack+0x1b2/0x283 [ 204.305702] should_fail.cold+0x10a/0x154 [ 204.309988] should_failslab+0xd6/0x130 [ 204.314117] __kmalloc+0x2c1/0x400 [ 204.317705] ? register_shrinker+0x1ab/0x220 [ 204.322118] register_shrinker+0x1ab/0x220 [ 204.326423] sget_userns+0x9aa/0xc10 [ 204.330141] ? set_bdev_super+0x110/0x110 [ 204.334290] ? ns_test_super+0x50/0x50 [ 204.338179] ? set_bdev_super+0x110/0x110 [ 204.342495] ? ns_test_super+0x50/0x50 [ 204.346386] sget+0xd1/0x110 [ 204.349743] mount_bdev+0xcd/0x360 [ 204.353407] ? vfat_mount+0x40/0x40 [ 204.357042] mount_fs+0x92/0x2a0 [ 204.360490] vfs_kern_mount.part.0+0x5b/0x470 [ 204.364982] do_mount+0xe53/0x2a00 [ 204.368520] ? do_raw_spin_unlock+0x164/0x220 [ 204.373022] ? copy_mount_string+0x40/0x40 [ 204.377266] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 204.382308] ? copy_mnt_ns+0xa30/0xa30 [ 204.386202] ? copy_mount_options+0x1fa/0x2f0 [ 204.390692] ? copy_mnt_ns+0xa30/0xa30 [ 204.395200] SyS_mount+0xa8/0x120 [ 204.398659] ? copy_mnt_ns+0xa30/0xa30 [ 204.402687] do_syscall_64+0x1d5/0x640 [ 204.406579] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 204.412060] RIP: 0033:0x44e51a [ 204.415348] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 204.423184] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 204.430465] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 204.437881] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 204.445239] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 204.452582] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 204.459983] CPU: 1 PID: 9439 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 204.467886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 204.477527] Call Trace: [ 204.480127] dump_stack+0x1b2/0x283 [ 204.483770] should_fail.cold+0x10a/0x154 [ 204.488053] should_failslab+0xd6/0x130 [ 204.490558] ------------[ cut here ]------------ [ 204.492206] kmem_cache_alloc+0x28e/0x3c0 [ 204.492218] alloc_buffer_head+0x20/0x110 [ 204.497445] WARNING: CPU: 0 PID: 9458 at fs/super.c:1163 kill_block_super+0xbe/0xe0 [ 204.501731] alloc_page_buffers+0xb3/0x1f0 [ 204.505880] Kernel panic - not syncing: panic_on_warn set ... [ 204.505880] [ 204.513669] __getblk_slow+0x2d6/0x7a0 [ 204.530066] ? vfat_cmpi+0x3a0/0x3a0 [ 204.533772] __bread_gfp+0x206/0x2e0 [ 204.537481] fat_fill_super+0x2f9/0x31b0 [ 204.541535] ? vsnprintf+0x260/0x1340 [ 204.545363] ? fat_write_end+0x280/0x280 [ 204.549438] ? lock_downgrade+0x740/0x740 [ 204.553725] ? snprintf+0xa5/0xd0 [ 204.557170] ? vsprintf+0x30/0x30 [ 204.560665] ? ns_test_super+0x50/0x50 [ 204.564714] ? set_blocksize+0x125/0x380 [ 204.568775] mount_bdev+0x2b3/0x360 [ 204.572405] ? vfat_mount+0x40/0x40 [ 204.576117] mount_fs+0x92/0x2a0 [ 204.579640] vfs_kern_mount.part.0+0x5b/0x470 [ 204.584261] do_mount+0xe53/0x2a00 [ 204.587830] ? do_raw_spin_unlock+0x164/0x220 [ 204.592320] ? copy_mount_string+0x40/0x40 [ 204.596546] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 204.601599] ? copy_mnt_ns+0xa30/0xa30 [ 204.605479] ? copy_mount_options+0x1fa/0x2f0 [ 204.609980] ? copy_mnt_ns+0xa30/0xa30 [ 204.613862] SyS_mount+0xa8/0x120 [ 204.617438] ? copy_mnt_ns+0xa30/0xa30 [ 204.621357] do_syscall_64+0x1d5/0x640 [ 204.625242] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 204.630422] RIP: 0033:0x44e51a [ 204.633603] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 204.641768] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 204.649032] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 204.656301] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 204.663567] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 204.670871] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 204.678333] CPU: 0 PID: 9458 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 204.686408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 204.695998] Call Trace: [ 204.698741] dump_stack+0x1b2/0x283 [ 204.702472] panic+0x1f9/0x42d [ 204.705793] ? add_taint.cold+0x16/0x16 [ 204.710297] ? kill_block_super+0xbe/0xe0 [ 204.714763] ? kill_block_super+0xbe/0xe0 [ 204.719036] __warn.cold+0x20/0x4b [ 204.722571] ? ist_end_non_atomic+0x10/0x10 [ 204.727244] ? kill_block_super+0xbe/0xe0 [ 204.731383] report_bug+0x208/0x249 [ 204.735060] do_error_trap+0x195/0x2d0 [ 204.739027] ? math_error+0x2d0/0x2d0 [ 204.742819] ? retint_kernel+0x2d/0x2d [ 204.746918] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 204.751825] invalid_op+0x1b/0x40 [ 204.755274] RIP: 0010:kill_block_super+0xbe/0xe0 [ 204.760367] RSP: 0018:ffff888091d17bc8 EFLAGS: 00010297 [ 204.765770] RAX: ffff88809b9cc440 RBX: 0000000000000000 RCX: 1ffff1101373999e [ 204.773031] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880b1dcfbb0 [ 204.780466] RBP: ffff888095d4a740 R08: ffffffff8b9bd4c0 R09: 0000000000000001 [ 204.788510] R10: 0000000000000000 R11: ffff88809b9cc440 R12: ffff8880b1dcf700 [ 204.795772] R13: ffffffff890abed0 R14: ffffffff88f44d80 R15: dffffc0000000000 [ 204.803063] ? kill_block_super+0xbe/0xe0 [ 204.807346] deactivate_locked_super+0x6c/0xd0 [ 204.812040] sget_userns+0x9c4/0xc10 [ 204.815899] ? set_bdev_super+0x110/0x110 [ 204.820046] ? ns_test_super+0x50/0x50 [ 204.823925] ? set_bdev_super+0x110/0x110 [ 204.828110] ? ns_test_super+0x50/0x50 [ 204.832164] sget+0xd1/0x110 [ 204.835322] mount_bdev+0xcd/0x360 [ 204.838864] ? vfat_mount+0x40/0x40 [ 204.842578] mount_fs+0x92/0x2a0 [ 204.845944] vfs_kern_mount.part.0+0x5b/0x470 [ 204.850437] do_mount+0xe53/0x2a00 [ 204.854021] ? do_raw_spin_unlock+0x164/0x220 [ 204.858525] ? copy_mount_string+0x40/0x40 [ 204.862756] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 204.867834] ? copy_mnt_ns+0xa30/0xa30 [ 204.871804] ? copy_mount_options+0x1fa/0x2f0 [ 204.877317] ? copy_mnt_ns+0xa30/0xa30 [ 204.881288] SyS_mount+0xa8/0x120 [ 204.884736] ? copy_mnt_ns+0xa30/0xa30 [ 204.888614] do_syscall_64+0x1d5/0x640 [ 204.892504] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 204.897824] RIP: 0033:0x44e51a [ 204.901004] RSP: 002b:00007f069ce4eb28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 204.908705] RAX: ffffffffffffffda RBX: 00007f069ce4eb30 RCX: 000000000044e51a [ 204.916014] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce4eb30 [ 204.923277] RBP: 0000000000000007 R08: 00007f069ce4eb70 R09: 6f6f6c2f7665642f [ 204.930814] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 [ 204.938213] R13: 0000000000000000 R14: 00007f069ce4eb70 R15: 00007f069ce4f6d4 [ 204.945488] CPU: 1 PID: 9449 Comm: syz-executor438 Not tainted 4.14.203-syzkaller #0 [ 204.953465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 204.963423] Call Trace: [ 204.966010] dump_stack+0x1b2/0x283 [ 204.969636] should_fail.cold+0x10a/0x154 [ 204.973782] should_failslab+0xd6/0x130 [ 204.977753] kmem_cache_alloc+0x28e/0x3c0 [ 204.981907] alloc_buffer_head+0x20/0x110 [ 204.986137] alloc_page_buffers+0xb3/0x1f0 [ 204.990368] __getblk_slow+0x2d6/0x7a0 [ 204.994257] ? vfat_cmpi+0x3a0/0x3a0 [ 204.997966] __bread_gfp+0x206/0x2e0 [ 205.001732] fat_fill_super+0x2f9/0x31b0 [ 205.005785] ? vsnprintf+0x260/0x1340 [ 205.009592] ? fat_write_end+0x280/0x280 [ 205.013645] ? lock_downgrade+0x740/0x740 [ 205.017787] ? snprintf+0xa5/0xd0 [ 205.021218] ? vsprintf+0x30/0x30 [ 205.024664] ? ns_test_super+0x50/0x50 [ 205.028564] ? set_blocksize+0x125/0x380 [ 205.032767] mount_bdev+0x2b3/0x360 [ 205.036386] ? vfat_mount+0x40/0x40 [ 205.040047] mount_fs+0x92/0x2a0 [ 205.043433] vfs_kern_mount.part.0+0x5b/0x470 [ 205.047924] do_mount+0xe53/0x2a00 [ 205.051464] ? copy_mount_string+0x40/0x40 [ 205.055738] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 205.060757] ? copy_mnt_ns+0xa30/0xa30 [ 205.064665] ? copy_mount_options+0x1fa/0x2f0 [ 205.069281] ? copy_mnt_ns+0xa30/0xa30 [ 205.073161] SyS_mount+0xa8/0x120 [ 205.076651] ? copy_mnt_ns+0xa30/0xa30 [ 205.080534] do_syscall_64+0x1d5/0x640 [ 205.084476] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 205.089707] RIP: 0033:0x44e51a [ 205.092888] RSP: 002b:00007f069ce2db28 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 205.100590] RAX: ffffffffffffffda RBX: 00007f069ce2db30 RCX: 000000000044e51a [ 205.107853] RDX: 0000000020000440 RSI: 0000000020000100 RDI: 00007f069ce2db30 [ 205.115117] RBP: 0000000000000006 R08: 00007f069ce2db70 R09: 6f6f6c2f7665642f [ 205.122479] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000005 [ 205.129869] R13: 0000000000000000 R14: 00007f069ce2db70 R15: 00007f069ce2e6d4 [ 205.138177] Kernel Offset: disabled [ 205.141855] Rebooting in 86400 seconds..