[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.2' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 28.465935] IPVS: ftp: loaded support on port[0] = 21 [ 28.497046] IPVS: ftp: loaded support on port[0] = 21 [ 28.523947] FAULT_INJECTION: forcing a failure. [ 28.523947] name failslab, interval 1, probability 0, space 0, times 1 [ 28.537403] CPU: 0 PID: 8042 Comm: syz-executor157 Not tainted 4.14.285-syzkaller #0 [ 28.545291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.550131] IPVS: ftp: loaded support on port[0] = 21 [ 28.554633] Call Trace: [ 28.554650] dump_stack+0x1b2/0x281 [ 28.554660] should_fail.cold+0x10a/0x149 [ 28.554671] should_failslab+0xd6/0x130 executing program [ 28.554680] kmem_cache_alloc+0x28e/0x3c0 [ 28.554690] alloc_buffer_head+0x20/0x110 [ 28.582381] alloc_page_buffers+0xb3/0x1f0 [ 28.585984] FAULT_INJECTION: forcing a failure. [ 28.585984] name failslab, interval 1, probability 0, space 0, times 1 [ 28.586642] __getblk_slow+0x2d6/0x7a0 [ 28.586660] ? vfat_cmpi+0x3a0/0x3a0 [ 28.605396] __bread_gfp+0x206/0x2e0 [ 28.609093] fat_fill_super+0x2f9/0x31b0 [ 28.613145] ? vsnprintf+0x260/0x1340 [ 28.616941] ? fat_write_end+0x280/0x280 [ 28.620993] ? lock_downgrade+0x740/0x740 [ 28.625131] ? snprintf+0xa5/0xd0 [ 28.628567] ? vsprintf+0x30/0x30 [ 28.632005] ? ns_test_super+0x50/0x50 [ 28.635896] ? set_blocksize+0x125/0x380 [ 28.639951] mount_bdev+0x2b3/0x360 [ 28.643560] ? vfat_mount+0x40/0x40 [ 28.647166] mount_fs+0x92/0x2a0 [ 28.650516] vfs_kern_mount.part.0+0x5b/0x470 [ 28.654994] do_mount+0xe65/0x2a30 [ 28.658529] ? copy_mount_string+0x40/0x40 [ 28.662758] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 28.667769] ? copy_mnt_ns+0xa30/0xa30 [ 28.671644] ? copy_mount_options+0x1fa/0x2f0 [ 28.676121] ? copy_mnt_ns+0xa30/0xa30 [ 28.679990] SyS_mount+0xa8/0x120 [ 28.683429] ? copy_mnt_ns+0xa30/0xa30 [ 28.687300] do_syscall_64+0x1d5/0x640 [ 28.691170] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 28.696336] RIP: 0033:0x7ff08860a66a [ 28.700030] RSP: 002b:00007ffde8f66dd8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 28.707724] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff08860a66a [ 28.715058] RDX: 0000000020000380 RSI: 00000000200003c0 RDI: 00007ffde8f66de0 [ 28.722324] RBP: 00007ffde8f66de0 R08: 00007ffde8f66e20 R09: 6f6f6c2f7665642f [ 28.729572] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000005 [ 28.736826] R13: 0000000000000000 R14: 00007ffde8f66e20 R15: 0000000000000000 [ 28.744100] CPU: 1 PID: 8060 Comm: syz-executor157 Not tainted 4.14.285-syzkaller #0 [ 28.751978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.761324] Call Trace: [ 28.763908] dump_stack+0x1b2/0x281 [ 28.767538] should_fail.cold+0x10a/0x149 [ 28.771683] should_failslab+0xd6/0x130 [ 28.775658] kmem_cache_alloc_trace+0x29a/0x3d0 [ 28.780320] ? set_precision+0x150/0x150 [ 28.784374] ? vfat_cmpi+0x3a0/0x3a0 [ 28.788120] fat_fill_super+0xb9/0x31b0 [ 28.792096] ? vsnprintf+0x260/0x1340 [ 28.794062] FAT-fs (loop0): bogus number of reserved sectors [ 28.795889] ? fat_write_end+0x280/0x280 [ 28.795900] ? lock_downgrade+0x740/0x740 [ 28.801707] FAT-fs (loop0): Can't find a valid FAT filesystem [ 28.805715] ? snprintf+0xa5/0xd0 [ 28.805721] ? vsprintf+0x30/0x30 [ 28.805730] ? ns_test_super+0x50/0x50 [ 28.805738] ? set_blocksize+0x125/0x380 [ 28.805749] mount_bdev+0x2b3/0x360 [ 28.805756] ? vfat_mount+0x40/0x40 [ 28.805764] mount_fs+0x92/0x2a0 [ 28.805774] vfs_kern_mount.part.0+0x5b/0x470 [ 28.805784] do_mount+0xe65/0x2a30 [ 28.849210] ? copy_mount_string+0x40/0x40 [ 28.853427] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 28.858424] ? copy_mnt_ns+0xa30/0xa30 [ 28.862297] ? copy_mount_options+0x1fa/0x2f0 [ 28.866769] ? copy_mnt_ns+0xa30/0xa30 [ 28.870633] SyS_mount+0xa8/0x120 [ 28.874064] ? copy_mnt_ns+0xa30/0xa30 [ 28.877930] do_syscall_64+0x1d5/0x640 [ 28.881794] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 28.886955] RIP: 0033:0x7ff08860a66a [ 28.890642] RSP: 002b:00007ffde8f66dd8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 28.898355] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff08860a66a [ 28.905602] RDX: 0000000020000380 RSI: 00000000200003c0 RDI: 00007ffde8f66de0 [ 28.912857] RBP: 00007ffde8f66de0 R08: 00007ffde8f66e20 R09: 6f6f6c2f7665642f [ 28.920111] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000005 [ 28.927359] R13: 0000000000000000 R14: 00007ffde8f66e20 R15: 0000000000000000 executing program executing program [ 28.983071] IPVS: ftp: loaded support on port[0] = 21 [ 28.992568] FAULT_INJECTION: forcing a failure. [ 28.992568] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 28.998978] FAULT_INJECTION: forcing a failure. [ 28.998978] name failslab, interval 1, probability 0, space 0, times 0 [ 29.004462] CPU: 0 PID: 8089 Comm: syz-executor157 Not tainted 4.14.285-syzkaller #0 [ 29.004467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.004470] Call Trace: [ 29.004483] dump_stack+0x1b2/0x281 [ 29.004494] should_fail.cold+0x10a/0x149 [ 29.004511] __alloc_pages_nodemask+0x22c/0x2720 [ 29.047911] ? is_bpf_text_address+0xb8/0x150 [ 29.052400] ? __lock_acquire+0x5fc/0x3f20 [ 29.056615] ? depot_save_stack+0x10d/0x3f0 [ 29.060912] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 29.065739] ? widen_string+0xbf/0x200 [ 29.069607] ? string+0x17e/0x1d0 [ 29.073047] ? widen_string+0x200/0x200 [ 29.077003] cache_grow_begin+0x91/0x700 [ 29.081047] ? fs_reclaim_release+0xd0/0x110 [ 29.085547] ? check_preemption_disabled+0x35/0x240 [ 29.090546] cache_alloc_refill+0x273/0x350 [ 29.094849] kmem_cache_alloc_trace+0x340/0x3d0 [ 29.099498] ? vfat_cmpi+0x3a0/0x3a0 [ 29.103196] fat_fill_super+0xb9/0x31b0 [ 29.107147] ? vsnprintf+0x260/0x1340 [ 29.110930] ? fat_write_end+0x280/0x280 [ 29.114971] ? lock_downgrade+0x740/0x740 [ 29.119107] ? snprintf+0xa5/0xd0 [ 29.122536] ? vsprintf+0x30/0x30 [ 29.125969] ? ns_test_super+0x50/0x50 [ 29.129836] ? set_blocksize+0x125/0x380 [ 29.133877] mount_bdev+0x2b3/0x360 [ 29.138263] ? vfat_mount+0x40/0x40 [ 29.141869] mount_fs+0x92/0x2a0 [ 29.145224] vfs_kern_mount.part.0+0x5b/0x470 [ 29.149699] do_mount+0xe65/0x2a30 [ 29.153216] ? do_raw_spin_unlock+0x164/0x220 [ 29.157688] ? copy_mount_string+0x40/0x40 [ 29.161978] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 29.166971] ? copy_mnt_ns+0xa30/0xa30 [ 29.170841] ? copy_mount_options+0x1fa/0x2f0 [ 29.175318] ? copy_mnt_ns+0xa30/0xa30 [ 29.179269] SyS_mount+0xa8/0x120 [ 29.182701] ? copy_mnt_ns+0xa30/0xa30 [ 29.186572] do_syscall_64+0x1d5/0x640 [ 29.190442] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.195612] RIP: 0033:0x7ff08860a66a [ 29.199300] RSP: 002b:00007ffde8f66dd8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 29.206986] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff08860a66a [ 29.214232] RDX: 0000000020000380 RSI: 00000000200003c0 RDI: 00007ffde8f66de0 [ 29.221490] RBP: 00007ffde8f66de0 R08: 00007ffde8f66e20 R09: 6f6f6c2f7665642f [ 29.230069] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000005 [ 29.237314] R13: 0000000000000000 R14: 00007ffde8f66e20 R15: 0000000000000001 [ 29.244580] CPU: 1 PID: 8081 Comm: syz-executor157 Not tainted 4.14.285-syzkaller #0 [ 29.252458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.261805] Call Trace: [ 29.264398] dump_stack+0x1b2/0x281 [ 29.268121] should_fail.cold+0x10a/0x149 [ 29.272279] should_failslab+0xd6/0x130 [ 29.276253] kmem_cache_alloc_trace+0x29a/0x3d0 [ 29.280918] ? set_bdev_super+0x110/0x110 [ 29.285081] sget_userns+0x102/0xc10 [ 29.288793] ? set_bdev_super+0x110/0x110 [ 29.292938] ? ns_test_super+0x50/0x50 [ 29.295008] FAT-fs (loop4): bogus number of reserved sectors [ 29.296821] ? set_bdev_super+0x110/0x110 [ 29.296828] ? ns_test_super+0x50/0x50 [ 29.296834] sget+0xd1/0x110 [ 29.296842] mount_bdev+0xcd/0x360 [ 29.302668] FAT-fs (loop4): Can't find a valid FAT filesystem [ 29.306754] ? vfat_mount+0x40/0x40 [ 29.306761] mount_fs+0x92/0x2a0 [ 29.306772] vfs_kern_mount.part.0+0x5b/0x470 [ 29.306781] do_mount+0xe65/0x2a30 [ 29.306790] ? do_raw_spin_unlock+0x164/0x220 [ 29.306802] ? copy_mount_string+0x40/0x40 [ 29.306812] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 29.306818] ? copy_mnt_ns+0xa30/0xa30 [ 29.306825] ? copy_mount_options+0x1fa/0x2f0 [ 29.306832] ? copy_mnt_ns+0xa30/0xa30 [ 29.306840] SyS_mount+0xa8/0x120 [ 29.367526] ? copy_mnt_ns+0xa30/0xa30 [ 29.371479] do_syscall_64+0x1d5/0x640 [ 29.375366] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.380540] RIP: 0033:0x7ff08860a66a executing program [ 29.384231] RSP: 002b:00007ffde8f66dd8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 29.391922] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff08860a66a [ 29.399176] RDX: 0000000020000380 RSI: 00000000200003c0 RDI: 00007ffde8f66de0 [ 29.406424] RBP: 00007ffde8f66de0 R08: 00007ffde8f66e20 R09: 6f6f6c2f7665642f [ 29.413686] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000005 [ 29.420938] R13: 0000000000000000 R14: 00007ffde8f66e20 R15: 0000000000000001 executing program [ 29.460589] FAULT_INJECTION: forcing a failure. [ 29.460589] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 29.470264] FAULT_INJECTION: forcing a failure. [ 29.470264] name failslab, interval 1, probability 0, space 0, times 0 [ 29.472394] CPU: 0 PID: 8105 Comm: syz-executor157 Not tainted 4.14.285-syzkaller #0 [ 29.472399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.472402] Call Trace: [ 29.472418] dump_stack+0x1b2/0x281 [ 29.502349] IPVS: ftp: loaded support on port[0] = 21 [ 29.503360] should_fail.cold+0x10a/0x149 [ 29.503373] __alloc_pages_nodemask+0x22c/0x2720 [ 29.503384] ? is_bpf_text_address+0xb8/0x150 [ 29.525490] ? __lock_acquire+0x5fc/0x3f20 [ 29.529707] ? depot_save_stack+0x10d/0x3f0 [ 29.534008] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 29.538829] ? widen_string+0xbf/0x200 [ 29.542713] ? string+0x17e/0x1d0 [ 29.546157] ? widen_string+0x200/0x200 [ 29.550125] cache_grow_begin+0x91/0x700 [ 29.554178] ? fs_reclaim_release+0xd0/0x110 [ 29.558570] ? check_preemption_disabled+0x35/0x240 [ 29.563584] cache_alloc_refill+0x273/0x350 [ 29.567895] kmem_cache_alloc_trace+0x340/0x3d0 [ 29.572556] ? vfat_cmpi+0x3a0/0x3a0 [ 29.576350] fat_fill_super+0xb9/0x31b0 [ 29.580307] ? vsnprintf+0x260/0x1340 [ 29.584092] ? fat_write_end+0x280/0x280 [ 29.588134] ? lock_downgrade+0x740/0x740 [ 29.592266] ? snprintf+0xa5/0xd0 [ 29.595698] ? vsprintf+0x30/0x30 [ 29.599130] ? ns_test_super+0x50/0x50 [ 29.603001] ? set_blocksize+0x125/0x380 [ 29.607043] mount_bdev+0x2b3/0x360 [ 29.610672] ? vfat_mount+0x40/0x40 [ 29.614283] mount_fs+0x92/0x2a0 [ 29.617639] vfs_kern_mount.part.0+0x5b/0x470 [ 29.622116] do_mount+0xe65/0x2a30 [ 29.625641] ? copy_mount_string+0x40/0x40 [ 29.629857] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 29.634856] ? copy_mnt_ns+0xa30/0xa30 [ 29.638722] ? copy_mount_options+0x1fa/0x2f0 [ 29.643194] ? copy_mnt_ns+0xa30/0xa30 [ 29.647149] SyS_mount+0xa8/0x120 [ 29.650588] ? copy_mnt_ns+0xa30/0xa30 [ 29.654457] do_syscall_64+0x1d5/0x640 [ 29.658326] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.663499] RIP: 0033:0x7ff08860a66a [ 29.667187] RSP: 002b:00007ffde8f66dd8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 29.674873] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff08860a66a [ 29.682118] RDX: 0000000020000380 RSI: 00000000200003c0 RDI: 00007ffde8f66de0 [ 29.689365] RBP: 00007ffde8f66de0 R08: 00007ffde8f66e20 R09: 6f6f6c2f7665642f [ 29.696611] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000005 [ 29.703858] R13: 0000000000000000 R14: 00007ffde8f66e20 R15: 0000000000000002 [ 29.711119] CPU: 1 PID: 8112 Comm: syz-executor157 Not tainted 4.14.285-syzkaller #0 [ 29.719011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.728431] Call Trace: [ 29.731037] dump_stack+0x1b2/0x281 [ 29.734671] should_fail.cold+0x10a/0x149 [ 29.738817] should_failslab+0xd6/0x130 [ 29.742798] kmem_cache_alloc_trace+0x29a/0x3d0 [ 29.747468] ? set_bdev_super+0x110/0x110 [ 29.751614] sget_userns+0x102/0xc10 [ 29.755330] ? set_bdev_super+0x110/0x110 executing program [ 29.759220] FAT-fs (loop4): bogus number of reserved sectors [ 29.759470] ? ns_test_super+0x50/0x50 [ 29.765385] FAT-fs (loop4): Can't find a valid FAT filesystem [ 29.769118] ? set_bdev_super+0x110/0x110 [ 29.769125] ? ns_test_super+0x50/0x50 [ 29.769131] sget+0xd1/0x110 [ 29.769140] mount_bdev+0xcd/0x360 [ 29.789518] ? vfat_mount+0x40/0x40 [ 29.793143] mount_fs+0x92/0x2a0 [ 29.796525] vfs_kern_mount.part.0+0x5b/0x470 [ 29.800322] FAULT_INJECTION: forcing a failure. [ 29.800322] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 29.801074] do_mount+0xe65/0x2a30 [ 29.816367] ? do_raw_spin_unlock+0x164/0x220 [ 29.820854] ? copy_mount_string+0x40/0x40 [ 29.825070] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 29.830065] ? copy_mnt_ns+0xa30/0xa30 [ 29.833935] ? copy_mount_options+0x1fa/0x2f0 [ 29.838408] ? copy_mnt_ns+0xa30/0xa30 [ 29.842280] SyS_mount+0xa8/0x120 [ 29.845731] ? copy_mnt_ns+0xa30/0xa30 [ 29.849596] do_syscall_64+0x1d5/0x640 [ 29.853465] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.858631] RIP: 0033:0x7ff08860a66a [ 29.862318] RSP: 002b:00007ffde8f66dd8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 29.870002] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff08860a66a [ 29.877246] RDX: 0000000020000380 RSI: 00000000200003c0 RDI: 00007ffde8f66de0 [ 29.884494] RBP: 00007ffde8f66de0 R08: 00007ffde8f66e20 R09: 6f6f6c2f7665642f [ 29.891741] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000005 [ 29.898987] R13: 0000000000000000 R14: 00007ffde8f66e20 R15: 0000000000000000 [ 29.906250] CPU: 0 PID: 8131 Comm: syz-executor157 Not tainted 4.14.285-syzkaller #0 [ 29.914123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.923466] Call Trace: [ 29.926057] dump_stack+0x1b2/0x281 [ 29.929682] should_fail.cold+0x10a/0x149 [ 29.933826] __alloc_pages_nodemask+0x22c/0x2720 [ 29.938577] ? is_bpf_text_address+0xb8/0x150 [ 29.943068] ? __lock_acquire+0x5fc/0x3f20 [ 29.947302] ? depot_save_stack+0x10d/0x3f0 [ 29.951622] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 29.956455] ? widen_string+0xbf/0x200 [ 29.960336] ? string+0x17e/0x1d0 [ 29.963950] ? widen_string+0x200/0x200 [ 29.967911] cache_grow_begin+0x91/0x700 [ 29.971964] ? fs_reclaim_release+0xd0/0x110 [ 29.976356] ? check_preemption_disabled+0x35/0x240 [ 29.981369] cache_alloc_refill+0x273/0x350 [ 29.985683] kmem_cache_alloc_trace+0x340/0x3d0 [ 29.990334] ? vfat_cmpi+0x3a0/0x3a0 [ 29.994026] fat_fill_super+0xb9/0x31b0 [ 29.997975] ? vsnprintf+0x260/0x1340 [ 30.001751] ? fat_write_end+0x280/0x280 [ 30.005785] ? lock_downgrade+0x740/0x740 [ 30.009906] ? snprintf+0xa5/0xd0 [ 30.013333] ? vsprintf+0x30/0x30 [ 30.016761] ? ns_test_super+0x50/0x50 [ 30.020631] ? set_blocksize+0x125/0x380 [ 30.024669] mount_bdev+0x2b3/0x360 [ 30.028270] ? vfat_mount+0x40/0x40 [ 30.031912] mount_fs+0x92/0x2a0 [ 30.035259] vfs_kern_mount.part.0+0x5b/0x470 [ 30.039731] do_mount+0xe65/0x2a30 [ 30.043247] ? copy_mount_string+0x40/0x40 [ 30.047499] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 30.052662] ? copy_mnt_ns+0xa30/0xa30 [ 30.056539] ? copy_mount_options+0x1fa/0x2f0 [ 30.061012] ? copy_mnt_ns+0xa30/0xa30 [ 30.064876] SyS_mount+0xa8/0x120 [ 30.068308] ? copy_mnt_ns+0xa30/0xa30 [ 30.072172] do_syscall_64+0x1d5/0x640 [ 30.076044] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 30.081208] RIP: 0033:0x7ff08860a66a [ 30.084893] RSP: 002b:00007ffde8f66dd8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 30.092581] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff08860a66a [ 30.099825] RDX: 0000000020000380 RSI: 00000000200003c0 RDI: 00007ffde8f66de0 executing program [ 30.107070] RBP: 00007ffde8f66de0 R08: 00007ffde8f66e20 R09: 6f6f6c2f7665642f [ 30.114317] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000005 [ 30.121573] R13: 0000000000000000 R14: 00007ffde8f66e20 R15: 0000000000000000 [ 30.130184] FAT-fs (loop3): bogus number of reserved sectors [ 30.136831] FAT-fs (loop3): Can't find a valid FAT filesystem [ 30.156705] FAULT_INJECTION: forcing a failure. executing program executing program [ 30.156705] name failslab, interval 1, probability 0, space 0, times 0 [ 30.180554] CPU: 0 PID: 8141 Comm: syz-executor157 Not tainted 4.14.285-syzkaller #0 [ 30.182791] FAULT_INJECTION: forcing a failure. [ 30.182791] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 30.188450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.209552] Call Trace: [ 30.212122] dump_stack+0x1b2/0x281 [ 30.215753] should_fail.cold+0x10a/0x149 [ 30.219881] should_failslab+0xd6/0x130 [ 30.223837] kmem_cache_alloc+0x28e/0x3c0 [ 30.227979] alloc_buffer_head+0x20/0x110 [ 30.232104] alloc_page_buffers+0xb3/0x1f0 [ 30.236325] __getblk_slow+0x2d6/0x7a0 [ 30.240193] ? vfat_cmpi+0x3a0/0x3a0 [ 30.243883] __bread_gfp+0x206/0x2e0 [ 30.247575] fat_fill_super+0x2f9/0x31b0 [ 30.251638] ? vsnprintf+0x260/0x1340 [ 30.255422] ? fat_write_end+0x280/0x280 [ 30.259462] ? lock_downgrade+0x740/0x740 [ 30.263586] ? snprintf+0xa5/0xd0 [ 30.267021] ? vsprintf+0x30/0x30 [ 30.270462] ? ns_test_super+0x50/0x50 [ 30.274332] ? set_blocksize+0x125/0x380 [ 30.278371] mount_bdev+0x2b3/0x360 [ 30.281976] ? vfat_mount+0x40/0x40 [ 30.285580] mount_fs+0x92/0x2a0 [ 30.288934] vfs_kern_mount.part.0+0x5b/0x470 [ 30.293433] do_mount+0xe65/0x2a30 [ 30.296956] ? do_raw_spin_unlock+0x164/0x220 [ 30.301446] ? copy_mount_string+0x40/0x40 [ 30.305661] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 30.310739] ? copy_mnt_ns+0xa30/0xa30 [ 30.314607] ? copy_mount_options+0x1fa/0x2f0 [ 30.319080] ? copy_mnt_ns+0xa30/0xa30 [ 30.322957] SyS_mount+0xa8/0x120 [ 30.326385] ? copy_mnt_ns+0xa30/0xa30 [ 30.330252] do_syscall_64+0x1d5/0x640 [ 30.334125] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 30.339293] RIP: 0033:0x7ff08860a66a [ 30.342985] RSP: 002b:00007ffde8f66dd8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 30.350670] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff08860a66a [ 30.357922] RDX: 0000000020000380 RSI: 00000000200003c0 RDI: 00007ffde8f66de0 [ 30.365177] RBP: 00007ffde8f66de0 R08: 00007ffde8f66e20 R09: 6f6f6c2f7665642f [ 30.372428] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000005 [ 30.379690] R13: 0000000000000000 R14: 00007ffde8f66e20 R15: 0000000000000003 [ 30.386967] CPU: 1 PID: 8146 Comm: syz-executor157 Not tainted 4.14.285-syzkaller #0 [ 30.390210] FAT-fs (loop4): bogus number of reserved sectors [ 30.394837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.394841] Call Trace: [ 30.394855] dump_stack+0x1b2/0x281 [ 30.394866] should_fail.cold+0x10a/0x149 [ 30.394877] __alloc_pages_nodemask+0x22c/0x2720 [ 30.394887] ? is_bpf_text_address+0xb8/0x150 [ 30.394897] ? __lock_acquire+0x5fc/0x3f20 [ 30.394909] ? depot_save_stack+0x10d/0x3f0 [ 30.400799] FAT-fs (loop4): Can't find a valid FAT filesystem [ 30.410061] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 30.410070] ? widen_string+0xbf/0x200 [ 30.410083] ? string+0x17e/0x1d0 [ 30.410091] ? widen_string+0x200/0x200 [ 30.410103] cache_grow_begin+0x91/0x700 [ 30.410109] ? fs_reclaim_release+0xd0/0x110 [ 30.410117] ? check_preemption_disabled+0x35/0x240 [ 30.410126] cache_alloc_refill+0x273/0x350 [ 30.410136] kmem_cache_alloc_trace+0x340/0x3d0 [ 30.410145] ? vfat_cmpi+0x3a0/0x3a0 [ 30.410152] fat_fill_super+0xb9/0x31b0 [ 30.410160] ? vsnprintf+0x260/0x1340 [ 30.410170] ? fat_write_end+0x280/0x280 [ 30.454282] FAULT_INJECTION: forcing a failure. [ 30.454282] name failslab, interval 1, probability 0, space 0, times 0 [ 30.456217] ? lock_downgrade+0x740/0x740 [ 30.513349] ? snprintf+0xa5/0xd0 [ 30.516781] ? vsprintf+0x30/0x30 [ 30.520216] ? ns_test_super+0x50/0x50 [ 30.524088] ? set_blocksize+0x125/0x380 [ 30.528142] mount_bdev+0x2b3/0x360 [ 30.531773] ? vfat_mount+0x40/0x40 [ 30.535394] mount_fs+0x92/0x2a0 [ 30.538759] vfs_kern_mount.part.0+0x5b/0x470 [ 30.543249] do_mount+0xe65/0x2a30 [ 30.546790] ? copy_mount_string+0x40/0x40 [ 30.551064] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 30.556081] ? copy_mnt_ns+0xa30/0xa30 [ 30.559967] ? copy_mount_options+0x1fa/0x2f0 [ 30.564456] ? copy_mnt_ns+0xa30/0xa30 [ 30.568339] SyS_mount+0xa8/0x120 [ 30.571794] ? copy_mnt_ns+0xa30/0xa30 [ 30.575677] do_syscall_64+0x1d5/0x640 [ 30.579561] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 30.584734] RIP: 0033:0x7ff08860a66a [ 30.588428] RSP: 002b:00007ffde8f66dd8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 30.596126] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff08860a66a [ 30.596203] IPVS: ftp: loaded support on port[0] = 21 executing program [ 30.603467] RDX: 0000000020000380 RSI: 00000000200003c0 RDI: 00007ffde8f66de0 [ 30.603472] RBP: 00007ffde8f66de0 R08: 00007ffde8f66e20 R09: 6f6f6c2f7665642f [ 30.603476] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000005 [ 30.603480] R13: 0000000000000000 R14: 00007ffde8f66e20 R15: 0000000000000001 [ 30.638953] CPU: 0 PID: 8140 Comm: syz-executor157 Not tainted 4.14.285-syzkaller #0 [ 30.646846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.656196] Call Trace: [ 30.658776] dump_stack+0x1b2/0x281 [ 30.662401] should_fail.cold+0x10a/0x149 [ 30.666559] should_failslab+0xd6/0x130 [ 30.670531] kmem_cache_alloc_trace+0x29a/0x3d0 [ 30.675192] ? set_precision+0x150/0x150 [ 30.679243] ? vfat_cmpi+0x3a0/0x3a0 [ 30.682964] fat_fill_super+0xb9/0x31b0 [ 30.686940] ? vsnprintf+0x260/0x1340 [ 30.690743] ? fat_write_end+0x280/0x280 [ 30.694798] ? lock_downgrade+0x740/0x740 [ 30.698939] ? snprintf+0xa5/0xd0 [ 30.702384] ? vsprintf+0x30/0x30 [ 30.705831] ? ns_test_super+0x50/0x50 [ 30.709712] ? set_blocksize+0x125/0x380 [ 30.713775] mount_bdev+0x2b3/0x360 [ 30.717397] ? vfat_mount+0x40/0x40 [ 30.721027] mount_fs+0x92/0x2a0 [ 30.724392] vfs_kern_mount.part.0+0x5b/0x470 [ 30.728900] do_mount+0xe65/0x2a30 [ 30.732451] ? copy_mount_string+0x40/0x40 [ 30.733307] FAT-fs (loop2): bogus number of reserved sectors [ 30.736675] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 30.736686] ? copy_mnt_ns+0xa30/0xa30 [ 30.736696] ? copy_mount_options+0x1fa/0x2f0 [ 30.736703] ? copy_mnt_ns+0xa30/0xa30 [ 30.736711] SyS_mount+0xa8/0x120 [ 30.736719] ? copy_mnt_ns+0xa30/0xa30 [ 30.752811] FAT-fs (loop2): Can't find a valid FAT filesystem [ 30.755852] do_syscall_64+0x1d5/0x640 [ 30.755867] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 30.755874] RIP: 0033:0x7ff08860a66a [ 30.755879] RSP: 002b:00007ffde8f66dd8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 30.755887] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff08860a66a [ 30.755893] RDX: 0000000020000380 RSI: 00000000200003c0 RDI: 00007ffde8f66de0 [ 30.788100] FAULT_INJECTION: forcing a failure. [ 30.788100] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 30.793361] RBP: 00007ffde8f66de0 R08: 00007ffde8f66e20 R09: 6f6f6c2f7665642f [ 30.826864] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000005 [ 30.834120] R13: 0000000000000000 R14: 00007ffde8f66e20 R15: 0000000000000002 [ 30.841382] CPU: 1 PID: 8154 Comm: syz-executor157 Not tainted 4.14.285-syzkaller #0 [ 30.849257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.858591] Call Trace: [ 30.861161] dump_stack+0x1b2/0x281 [ 30.864769] should_fail.cold+0x10a/0x149 [ 30.868916] ? get_page_from_freelist+0xaf6/0x25a0 [ 30.873999] __alloc_pages_nodemask+0x22c/0x2720 [ 30.878734] ? lock_downgrade+0x740/0x740 [ 30.882858] ? page_outside_zone_boundaries+0x1db/0x310 [ 30.888199] ? __lock_acquire+0x5fc/0x3f20 [ 30.892434] ? preempt_count_add+0xaf/0x170 [ 30.896737] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 30.901561] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 30.906989] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 30.911981] ? __alloc_pages_nodemask+0x1a6e/0x2720 [ 30.916984] cache_grow_begin+0x91/0x700 [ 30.921021] ? fs_reclaim_release+0xd0/0x110 [ 30.925417] ? check_preemption_disabled+0x35/0x240 [ 30.930412] cache_alloc_refill+0x273/0x350 [ 30.934715] kmem_cache_alloc+0x333/0x3c0 [ 30.938844] getname_kernel+0x4e/0x340 [ 30.942709] kern_path+0x1b/0x40 [ 30.946055] lookup_bdev+0xc6/0x1c0 [ 30.949667] ? bd_acquire+0x440/0x440 [ 30.953444] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 30.958908] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 30.963906] blkdev_get_by_path+0x1b/0xa0 [ 30.968033] mount_bdev+0x4c/0x360 [ 30.971551] ? vfat_mount+0x40/0x40 [ 30.975158] mount_fs+0x92/0x2a0 [ 30.978505] vfs_kern_mount.part.0+0x5b/0x470 [ 30.982978] do_mount+0xe65/0x2a30 [ 30.986504] ? do_raw_spin_unlock+0x164/0x220 [ 30.990979] ? copy_mount_string+0x40/0x40 [ 30.995191] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 31.000188] ? copy_mnt_ns+0xa30/0xa30 [ 31.004054] ? copy_mount_options+0x1fa/0x2f0 [ 31.008526] ? copy_mnt_ns+0xa30/0xa30 [ 31.012389] SyS_mount+0xa8/0x120 [ 31.015912] ? copy_mnt_ns+0xa30/0xa30 [ 31.019777] do_syscall_64+0x1d5/0x640 [ 31.023647] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.028815] RIP: 0033:0x7ff08860a66a [ 31.032513] RSP: 002b:00007ffde8f66dd8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 31.040198] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff08860a66a [ 31.047446] RDX: 0000000020000380 RSI: 00000000200003c0 RDI: 00007ffde8f66de0 [ 31.054695] RBP: 00007ffde8f66de0 R08: 00007ffde8f66e20 R09: 6f6f6c2f7665642f executing program executing program executing program [ 31.061947] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000005 [ 31.069194] R13: 0000000000000000 R14: 00007ffde8f66e20 R15: 0000000000000001 [ 31.099937] FAULT_INJECTION: forcing a failure. [ 31.099937] name failslab, interval 1, probability 0, space 0, times 0 [ 31.110107] FAULT_INJECTION: forcing a failure. [ 31.110107] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 31.116446] FAULT_INJECTION: forcing a failure. [ 31.116446] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 31.123105] CPU: 0 PID: 8189 Comm: syz-executor157 Not tainted 4.14.285-syzkaller #0 [ 31.142721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.152065] Call Trace: [ 31.154635] dump_stack+0x1b2/0x281 [ 31.158246] should_fail.cold+0x10a/0x149 [ 31.162403] __alloc_pages_nodemask+0x22c/0x2720 [ 31.167137] ? is_bpf_text_address+0xb8/0x150 [ 31.171612] ? __lock_acquire+0x5fc/0x3f20 [ 31.175827] ? depot_save_stack+0x10d/0x3f0 [ 31.180124] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 31.184966] ? widen_string+0xbf/0x200 [ 31.188834] ? string+0x17e/0x1d0 [ 31.192276] ? widen_string+0x200/0x200 [ 31.196231] cache_grow_begin+0x91/0x700 [ 31.200373] ? fs_reclaim_release+0xd0/0x110 [ 31.204765] ? check_preemption_disabled+0x35/0x240 [ 31.209761] cache_alloc_refill+0x273/0x350 [ 31.214068] kmem_cache_alloc_trace+0x340/0x3d0 [ 31.218722] ? vfat_cmpi+0x3a0/0x3a0 [ 31.222504] fat_fill_super+0xb9/0x31b0 [ 31.226457] ? vsnprintf+0x260/0x1340 [ 31.230242] ? fat_write_end+0x280/0x280 [ 31.234298] ? lock_downgrade+0x740/0x740 [ 31.238427] ? snprintf+0xa5/0xd0 [ 31.241857] ? vsprintf+0x30/0x30 [ 31.245292] ? ns_test_super+0x50/0x50 [ 31.249157] ? set_blocksize+0x125/0x380 [ 31.253222] mount_bdev+0x2b3/0x360 [ 31.256925] ? vfat_mount+0x40/0x40 [ 31.260536] mount_fs+0x92/0x2a0 [ 31.263885] vfs_kern_mount.part.0+0x5b/0x470 [ 31.268373] do_mount+0xe65/0x2a30 [ 31.271992] ? retint_kernel+0x2d/0x2d [ 31.275867] ? copy_mount_string+0x40/0x40 [ 31.280088] ? copy_mount_options+0x19a/0x2f0 [ 31.284562] ? copy_mount_options+0x1fa/0x2f0 [ 31.289034] ? copy_mnt_ns+0xa30/0xa30 [ 31.292903] SyS_mount+0xa8/0x120 [ 31.296351] ? copy_mnt_ns+0xa30/0xa30 [ 31.300221] do_syscall_64+0x1d5/0x640 [ 31.304091] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.309269] RIP: 0033:0x7ff08860a66a [ 31.312962] RSP: 002b:00007ffde8f66dd8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 31.320649] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff08860a66a [ 31.327899] RDX: 0000000020000380 RSI: 00000000200003c0 RDI: 00007ffde8f66de0 [ 31.335151] RBP: 00007ffde8f66de0 R08: 00007ffde8f66e20 R09: 6f6f6c2f7665642f [ 31.342398] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000005 [ 31.349647] R13: 0000000000000000 R14: 00007ffde8f66e20 R15: 0000000000000002 [ 31.357002] CPU: 1 PID: 8185 Comm: syz-executor157 Not tainted 4.14.285-syzkaller #0 [ 31.364895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.374333] Call Trace: [ 31.376918] dump_stack+0x1b2/0x281 [ 31.380546] should_fail.cold+0x10a/0x149 [ 31.384697] ? get_page_from_freelist+0xaf6/0x25a0 [ 31.386779] FAT-fs (loop2): bogus number of reserved sectors [ 31.389627] __alloc_pages_nodemask+0x22c/0x2720 [ 31.389638] ? lock_downgrade+0x740/0x740 [ 31.389647] ? page_outside_zone_boundaries+0x1db/0x310 [ 31.389655] ? __lock_acquire+0x5fc/0x3f20 [ 31.389665] ? preempt_count_add+0xaf/0x170 [ 31.395594] FAT-fs (loop2): Can't find a valid FAT filesystem [ 31.400179] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 31.400197] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 31.400207] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 31.400215] ? __alloc_pages_nodemask+0x1a6e/0x2720 [ 31.444537] cache_grow_begin+0x91/0x700 [ 31.448590] ? fs_reclaim_release+0xd0/0x110 [ 31.453000] ? check_preemption_disabled+0x35/0x240 [ 31.458020] cache_alloc_refill+0x273/0x350 [ 31.462344] kmem_cache_alloc+0x333/0x3c0 [ 31.466513] getname_kernel+0x4e/0x340 [ 31.470392] kern_path+0x1b/0x40 [ 31.473758] lookup_bdev+0xc6/0x1c0 [ 31.477383] ? bd_acquire+0x440/0x440 [ 31.481174] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 31.486621] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 31.491634] blkdev_get_by_path+0x1b/0xa0 [ 31.495776] mount_bdev+0x4c/0x360 [ 31.499312] ? vfat_mount+0x40/0x40 [ 31.502942] mount_fs+0x92/0x2a0 [ 31.506307] vfs_kern_mount.part.0+0x5b/0x470 [ 31.510790] do_mount+0xe65/0x2a30 [ 31.514324] ? retint_kernel+0x2d/0x2d [ 31.518204] ? copy_mount_string+0x40/0x40 [ 31.522426] ? copy_mount_options+0x19a/0x2f0 [ 31.527017] ? copy_mount_options+0x1fa/0x2f0 [ 31.531504] ? copy_mnt_ns+0xa30/0xa30 [ 31.535379] SyS_mount+0xa8/0x120 [ 31.538811] ? copy_mnt_ns+0xa30/0xa30 [ 31.542688] do_syscall_64+0x1d5/0x640 [ 31.546562] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.551734] RIP: 0033:0x7ff08860a66a [ 31.555433] RSP: 002b:00007ffde8f66dd8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 31.563121] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff08860a66a [ 31.570382] RDX: 0000000020000380 RSI: 00000000200003c0 RDI: 00007ffde8f66de0 [ 31.577723] RBP: 00007ffde8f66de0 R08: 00007ffde8f66e20 R09: 6f6f6c2f7665642f [ 31.584971] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000005 [ 31.592308] R13: 0000000000000000 R14: 00007ffde8f66e20 R15: 0000000000000004 [ 31.599584] CPU: 0 PID: 8172 Comm: syz-executor157 Not tainted 4.14.285-syzkaller #0 [ 31.600833] FAT-fs (loop4): bogus number of reserved sectors [ 31.607466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.607474] Call Trace: [ 31.607487] dump_stack+0x1b2/0x281 [ 31.607499] should_fail.cold+0x10a/0x149 [ 31.607510] should_failslab+0xd6/0x130 [ 31.607518] __kmalloc+0x2c1/0x400 [ 31.607528] ? register_shrinker+0x1ab/0x220 [ 31.613378] FAT-fs (loop4): Can't find a valid FAT filesystem [ 31.622660] register_shrinker+0x1ab/0x220 [ 31.622671] sget_userns+0x9aa/0xc10 [ 31.622679] ? set_bdev_super+0x110/0x110 [ 31.622687] ? ns_test_super+0x50/0x50 [ 31.622695] ? set_bdev_super+0x110/0x110 [ 31.622701] ? ns_test_super+0x50/0x50 [ 31.622709] sget+0xd1/0x110 [ 31.625542] FAT-fs (loop3): bogus number of reserved sectors [ 31.628892] mount_bdev+0xcd/0x360 [ 31.628902] ? vfat_mount+0x40/0x40 [ 31.628910] mount_fs+0x92/0x2a0 [ 31.633133] FAT-fs (loop3): Can't find a valid FAT filesystem [ 31.637017] vfs_kern_mount.part.0+0x5b/0x470 [ 31.637027] do_mount+0xe65/0x2a30 [ 31.637038] ? copy_mount_string+0x40/0x40 [ 31.637048] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 31.637056] ? copy_mnt_ns+0xa30/0xa30 [ 31.637065] ? copy_mount_options+0x1fa/0x2f0 [ 31.725626] ? copy_mnt_ns+0xa30/0xa30 [ 31.729493] SyS_mount+0xa8/0x120 [ 31.733022] ? copy_mnt_ns+0xa30/0xa30 [ 31.736894] do_syscall_64+0x1d5/0x640 [ 31.740771] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.745957] RIP: 0033:0x7ff08860a66a [ 31.749743] RSP: 002b:00007ffde8f66dd8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 31.757429] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff08860a66a [ 31.764700] RDX: 0000000020000380 RSI: 00000000200003c0 RDI: 00007ffde8f66de0 [ 31.771948] RBP: 00007ffde8f66de0 R08: 00007ffde8f66e20 R09: 6f6f6c2f7665642f [ 31.779197] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000005 [ 31.786450] R13: 0000000000000000 R14: 00007ffde8f66e20 R15: 0000000000000000 [ 31.796335] ------------[ cut here ]------------ [ 31.801124] WARNING: CPU: 0 PID: 8172 at fs/super.c:1163 kill_block_super+0xbe/0xe0 [ 31.808928] Kernel panic - not syncing: panic_on_warn set ... [ 31.808928] [ 31.816278] CPU: 0 PID: 8172 Comm: syz-executor157 Not tainted 4.14.285-syzkaller #0 [ 31.824142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.833480] Call Trace: [ 31.836079] dump_stack+0x1b2/0x281 [ 31.839690] panic+0x1f9/0x42d [ 31.842875] ? add_taint.cold+0x16/0x16 [ 31.846848] ? kill_block_super+0xbe/0xe0 [ 31.850988] ? kill_block_super+0xbe/0xe0 [ 31.855159] __warn.cold+0x20/0x44 [ 31.858686] ? ist_end_non_atomic+0x10/0x10 [ 31.862991] ? kill_block_super+0xbe/0xe0 [ 31.867127] report_bug+0x208/0x250 [ 31.870859] do_error_trap+0x195/0x2d0 [ 31.874749] ? math_error+0x2d0/0x2d0 [ 31.878534] ? retint_kernel+0x2d/0x2d [ 31.882417] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.887247] invalid_op+0x1b/0x40 [ 31.890771] RIP: 0010:kill_block_super+0xbe/0xe0 [ 31.895591] RSP: 0018:ffff8880af63fbc8 EFLAGS: 00010297 [ 31.900935] RAX: ffff8880946da6c0 RBX: 0000000000000000 RCX: 1ffff110128db5ee [ 31.908187] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880b1f21bf0 [ 31.915436] RBP: ffff8880ab6b6900 R08: ffffffff8b9d5fd0 R09: 0000000000000001 [ 31.922693] R10: 0000000000000000 R11: ffff8880946da6c0 R12: ffff8880b1f21740 [ 31.929960] R13: ffffffff890adb30 R14: ffffffff88f45760 R15: dffffc0000000000 [ 31.937225] ? kill_block_super+0xbe/0xe0 [ 31.941378] deactivate_locked_super+0x6c/0xd0 [ 31.945961] sget_userns+0x9c4/0xc10 [ 31.949662] ? set_bdev_super+0x110/0x110 [ 31.953800] ? ns_test_super+0x50/0x50 [ 31.957877] ? set_bdev_super+0x110/0x110 [ 31.962017] ? ns_test_super+0x50/0x50 [ 31.965891] sget+0xd1/0x110 [ 31.968907] mount_bdev+0xcd/0x360 [ 31.972430] ? vfat_mount+0x40/0x40 [ 31.976045] mount_fs+0x92/0x2a0 [ 31.979413] vfs_kern_mount.part.0+0x5b/0x470 [ 31.983901] do_mount+0xe65/0x2a30 [ 31.987430] ? copy_mount_string+0x40/0x40 [ 31.991652] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 31.996695] ? copy_mnt_ns+0xa30/0xa30 [ 32.000566] ? copy_mount_options+0x1fa/0x2f0 [ 32.005047] ? copy_mnt_ns+0xa30/0xa30 [ 32.008916] SyS_mount+0xa8/0x120 [ 32.012357] ? copy_mnt_ns+0xa30/0xa30 [ 32.016230] do_syscall_64+0x1d5/0x640 [ 32.020160] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 32.025417] RIP: 0033:0x7ff08860a66a [ 32.029109] RSP: 002b:00007ffde8f66dd8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 32.036796] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff08860a66a [ 32.044048] RDX: 0000000020000380 RSI: 00000000200003c0 RDI: 00007ffde8f66de0 [ 32.051310] RBP: 00007ffde8f66de0 R08: 00007ffde8f66e20 R09: 6f6f6c2f7665642f [ 32.058561] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000005 [ 32.065813] R13: 0000000000000000 R14: 00007ffde8f66e20 R15: 0000000000000000 [ 32.073418] Kernel Offset: disabled [ 32.077073] Rebooting in 86400 seconds..