[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.226' (ECDSA) to the list of known hosts. syzkaller login: [ 57.151496] audit: type=1400 audit(1594338589.804:8): avc: denied { execmem } for pid=6322 comm="syz-executor632" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 57.152727] FAULT_INJECTION: forcing a failure. [ 57.152727] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 57.184860] CPU: 1 PID: 6322 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 57.192720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.202044] Call Trace: [ 57.204607] dump_stack+0x1b2/0x283 [ 57.208211] should_fail.cold+0x10a/0x154 [ 57.212334] __alloc_pages_nodemask+0x22b/0x2730 [ 57.217063] ? __lock_acquire+0x655/0x42a0 [ 57.221267] ? lock_downgrade+0x6e0/0x6e0 [ 57.225391] ? trace_hardirqs_on+0x10/0x10 [ 57.229600] ? unwind_get_return_address+0x51/0x90 [ 57.234633] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 57.239449] ? depot_save_stack+0x10d/0x401 [ 57.243746] ? __pud_alloc+0xa2/0x200 [ 57.247519] ? lock_acquire+0x170/0x3f0 [ 57.251466] alloc_pages_current+0xe7/0x1e0 [ 57.255760] __pmd_alloc+0x37/0x3a0 [ 57.259359] copy_page_range+0x1745/0x27b0 [ 57.263569] ? fs_reclaim_acquire+0x10/0x10 [ 57.267867] ? lock_acquire+0x170/0x3f0 [ 57.271812] ? lock_downgrade+0x6e0/0x6e0 [ 57.275931] ? anon_vma_interval_tree_insert+0x20a/0x3c0 [ 57.281351] ? apply_to_page_range+0x9c0/0x9c0 [ 57.285903] ? validate_mm_rb+0x3a/0xa0 [ 57.289847] ? vma_compute_subtree_gap+0x18b/0x1f0 [ 57.294752] copy_process.part.0+0x4c2f/0x6fa0 [ 57.299315] ? __cleanup_sighand+0x40/0x40 [ 57.303520] ? do_sigaction+0x35c/0x810 [ 57.307469] _do_fork+0x180/0xc80 [ 57.310895] ? fork_idle+0x270/0x270 [ 57.314584] ? up_read+0x17/0x30 [ 57.317921] ? __do_page_fault+0x19a/0xb50 [ 57.322129] ? do_syscall_64+0x4c/0x640 [ 57.326116] ? sys_vfork+0x20/0x20 [ 57.329633] do_syscall_64+0x1d5/0x640 [ 57.333497] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 57.338658] RIP: 0033:0x44501a [ 57.341821] RSP: 002b:00007ffdfa4c7e50 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 57.349536] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044501a [ 57.356776] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 57.364018] RBP: 00007ffdfa4c7e70 R08: 0000000000000000 R09: 0000000000e8e940 [ 57.371258] R10: 0000000000e8ec10 R11: 0000000000000246 R12: 0000000000000000 [ 57.378503] R13: 0000000000403750 R14: 0000000000000000 R15: 0000000000000000 [ 57.703916] IPVS: ftp: loaded support on port[0] = 21 executing program [ 58.716545] IPVS: ftp: loaded support on port[0] = 21 [ 58.730620] FAULT_INJECTION: forcing a failure. [ 58.730620] name failslab, interval 1, probability 0, space 0, times 1 [ 58.743567] CPU: 0 PID: 6355 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 58.751481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.760824] Call Trace: [ 58.763408] dump_stack+0x1b2/0x283 [ 58.767040] should_fail.cold+0x10a/0x154 [ 58.771177] should_failslab+0xd6/0x130 [ 58.775127] kmem_cache_alloc+0x28e/0x3c0 [ 58.779247] alloc_buffer_head+0x20/0xd0 [ 58.783292] alloc_page_buffers+0xb3/0x1f0 [ 58.787502] __getblk_gfp+0x32c/0x7b0 [ 58.791280] ? filemap_write_and_wait+0x7e/0xa0 [ 58.795923] ? vfat_cmpi+0x3a0/0x3a0 [ 58.799608] ? vfat_cmpi+0x3a0/0x3a0 [ 58.803298] __bread_gfp+0x29/0x1f0 [ 58.806900] fat_fill_super+0x2ef/0x3000 [ 58.810937] ? pointer+0xa00/0xa00 [ 58.814451] ? fat_flush_inodes+0x170/0x170 [ 58.818743] ? lock_downgrade+0x6e0/0x6e0 [ 58.822868] ? snprintf+0xa5/0xd0 [ 58.826294] ? vsprintf+0x30/0x30 [ 58.829719] ? ns_test_super+0x50/0x50 [ 58.833579] ? set_blocksize+0x24b/0x2e0 [ 58.837615] mount_bdev+0x2b3/0x360 [ 58.841213] ? vfat_mount+0x40/0x40 [ 58.844816] mount_fs+0x92/0x2a0 [ 58.848159] vfs_kern_mount.part.0+0x5b/0x3c0 [ 58.852626] do_mount+0x3c9/0x25e0 [ 58.856142] ? copy_mount_string+0x40/0x40 [ 58.860350] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 58.865164] ? copy_mnt_ns+0x8a0/0x8a0 [ 58.869023] ? copy_mount_options+0x1ec/0x2e0 [ 58.873489] ? copy_mnt_ns+0x8a0/0x8a0 [ 58.877349] SyS_mount+0xa8/0x120 [ 58.880772] ? copy_mnt_ns+0x8a0/0x8a0 [ 58.884639] do_syscall_64+0x1d5/0x640 [ 58.888503] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 58.893665] RIP: 0033:0x44916a [ 58.896825] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 58.904506] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 58.911792] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 58.919033] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 58.926277] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000000 [ 58.933559] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 executing program [ 58.987191] FAULT_INJECTION: forcing a failure. [ 58.987191] name failslab, interval 1, probability 0, space 0, times 0 [ 58.999028] CPU: 1 PID: 6362 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 59.006910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.016337] Call Trace: [ 59.019133] dump_stack+0x1b2/0x283 [ 59.022736] should_fail.cold+0x10a/0x154 [ 59.026861] should_failslab+0xd6/0x130 [ 59.030820] kmem_cache_alloc+0x28e/0x3c0 [ 59.034952] alloc_buffer_head+0x20/0xd0 [ 59.038995] alloc_page_buffers+0xb3/0x1f0 [ 59.043207] __getblk_gfp+0x32c/0x7b0 [ 59.046985] ? filemap_write_and_wait+0x7e/0xa0 [ 59.051645] ? vfat_cmpi+0x3a0/0x3a0 [ 59.055344] ? vfat_cmpi+0x3a0/0x3a0 [ 59.059033] __bread_gfp+0x29/0x1f0 [ 59.062640] fat_fill_super+0x2ef/0x3000 [ 59.066682] ? pointer+0xa00/0xa00 [ 59.070195] ? fat_flush_inodes+0x170/0x170 [ 59.074491] ? lock_downgrade+0x6e0/0x6e0 [ 59.078729] ? snprintf+0xa5/0xd0 [ 59.082271] ? vsprintf+0x30/0x30 [ 59.085703] ? ns_test_super+0x50/0x50 [ 59.089652] ? set_blocksize+0x24b/0x2e0 [ 59.093707] mount_bdev+0x2b3/0x360 [ 59.097314] ? vfat_mount+0x40/0x40 [ 59.100923] mount_fs+0x92/0x2a0 [ 59.104270] vfs_kern_mount.part.0+0x5b/0x3c0 [ 59.108741] do_mount+0x3c9/0x25e0 [ 59.112258] ? copy_mount_string+0x40/0x40 [ 59.116466] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 59.121282] ? copy_mnt_ns+0x8a0/0x8a0 [ 59.125151] ? copy_mount_options+0x1ec/0x2e0 [ 59.129623] ? copy_mnt_ns+0x8a0/0x8a0 [ 59.133488] SyS_mount+0xa8/0x120 [ 59.136918] ? copy_mnt_ns+0x8a0/0x8a0 [ 59.140781] do_syscall_64+0x1d5/0x640 [ 59.144647] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 59.149810] RIP: 0033:0x44916a [ 59.152974] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 59.160657] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 59.167948] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 59.175202] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 executing program [ 59.182445] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000001 [ 59.189687] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 59.250307] FAULT_INJECTION: forcing a failure. [ 59.250307] name failslab, interval 1, probability 0, space 0, times 0 [ 59.261628] CPU: 1 PID: 6367 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 59.269525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.278872] Call Trace: [ 59.281474] dump_stack+0x1b2/0x283 [ 59.285104] should_fail.cold+0x10a/0x154 [ 59.289229] should_failslab+0xd6/0x130 [ 59.293190] kmem_cache_alloc+0x28e/0x3c0 [ 59.297310] alloc_buffer_head+0x20/0xd0 [ 59.301342] alloc_page_buffers+0xb3/0x1f0 [ 59.305551] __getblk_gfp+0x32c/0x7b0 [ 59.309328] ? filemap_write_and_wait+0x7e/0xa0 [ 59.313969] ? vfat_cmpi+0x3a0/0x3a0 [ 59.317656] ? vfat_cmpi+0x3a0/0x3a0 [ 59.321375] __bread_gfp+0x29/0x1f0 [ 59.324976] fat_fill_super+0x2ef/0x3000 [ 59.329011] ? pointer+0xa00/0xa00 [ 59.332575] ? fat_flush_inodes+0x170/0x170 [ 59.336910] ? lock_downgrade+0x6e0/0x6e0 [ 59.341030] ? snprintf+0xa5/0xd0 [ 59.344454] ? vsprintf+0x30/0x30 [ 59.347880] ? ns_test_super+0x50/0x50 [ 59.351736] ? set_blocksize+0x24b/0x2e0 [ 59.355773] mount_bdev+0x2b3/0x360 [ 59.359373] ? vfat_mount+0x40/0x40 [ 59.362973] mount_fs+0x92/0x2a0 [ 59.366314] vfs_kern_mount.part.0+0x5b/0x3c0 [ 59.370781] do_mount+0x3c9/0x25e0 [ 59.374295] ? copy_mount_string+0x40/0x40 [ 59.378503] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 59.383316] ? copy_mnt_ns+0x8a0/0x8a0 [ 59.387172] ? copy_mount_options+0x1ec/0x2e0 [ 59.391635] ? copy_mnt_ns+0x8a0/0x8a0 [ 59.395493] SyS_mount+0xa8/0x120 [ 59.398915] ? copy_mnt_ns+0x8a0/0x8a0 [ 59.402777] do_syscall_64+0x1d5/0x640 [ 59.406637] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 59.411799] RIP: 0033:0x44916a [ 59.414959] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 59.422640] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 59.429882] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 59.437124] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 59.444365] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000002 [ 59.451604] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 executing program [ 59.518408] FAULT_INJECTION: forcing a failure. [ 59.518408] name failslab, interval 1, probability 0, space 0, times 0 [ 59.535395] CPU: 0 PID: 6375 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 59.543287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.552622] Call Trace: [ 59.555195] dump_stack+0x1b2/0x283 [ 59.558800] should_fail.cold+0x10a/0x154 [ 59.562927] should_failslab+0xd6/0x130 [ 59.566879] kmem_cache_alloc+0x28e/0x3c0 [ 59.571005] alloc_buffer_head+0x20/0xd0 [ 59.575041] alloc_page_buffers+0xb3/0x1f0 [ 59.579249] __getblk_gfp+0x32c/0x7b0 [ 59.583028] ? filemap_write_and_wait+0x7e/0xa0 [ 59.587670] ? vfat_cmpi+0x3a0/0x3a0 [ 59.591355] ? vfat_cmpi+0x3a0/0x3a0 [ 59.595041] __bread_gfp+0x29/0x1f0 [ 59.598641] fat_fill_super+0x2ef/0x3000 [ 59.602680] ? pointer+0xa00/0xa00 [ 59.606193] ? fat_flush_inodes+0x170/0x170 [ 59.610490] ? lock_downgrade+0x6e0/0x6e0 [ 59.614610] ? snprintf+0xa5/0xd0 [ 59.618033] ? vsprintf+0x30/0x30 [ 59.621459] ? ns_test_super+0x50/0x50 [ 59.625318] ? set_blocksize+0x24b/0x2e0 [ 59.629353] mount_bdev+0x2b3/0x360 [ 59.632950] ? vfat_mount+0x40/0x40 [ 59.636565] mount_fs+0x92/0x2a0 [ 59.639938] vfs_kern_mount.part.0+0x5b/0x3c0 [ 59.644411] do_mount+0x3c9/0x25e0 [ 59.647931] ? copy_mount_string+0x40/0x40 [ 59.652141] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 59.656958] ? copy_mnt_ns+0x8a0/0x8a0 [ 59.660817] ? copy_mount_options+0x1ec/0x2e0 [ 59.665284] ? copy_mnt_ns+0x8a0/0x8a0 [ 59.669148] SyS_mount+0xa8/0x120 [ 59.672577] ? copy_mnt_ns+0x8a0/0x8a0 [ 59.676446] do_syscall_64+0x1d5/0x640 [ 59.680308] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 59.685470] RIP: 0033:0x44916a [ 59.688630] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 59.696310] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 59.703552] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 59.710802] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 executing program [ 59.718046] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000003 [ 59.725294] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 59.769909] FAULT_INJECTION: forcing a failure. [ 59.769909] name failslab, interval 1, probability 0, space 0, times 0 [ 59.782009] CPU: 1 PID: 6381 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 59.789895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.799249] Call Trace: [ 59.801833] dump_stack+0x1b2/0x283 [ 59.805453] should_fail.cold+0x10a/0x154 [ 59.809577] should_failslab+0xd6/0x130 [ 59.813541] kmem_cache_alloc+0x28e/0x3c0 [ 59.817663] alloc_buffer_head+0x20/0xd0 [ 59.821699] alloc_page_buffers+0xb3/0x1f0 [ 59.825906] __getblk_gfp+0x32c/0x7b0 [ 59.829680] ? filemap_write_and_wait+0x7e/0xa0 [ 59.834324] ? vfat_cmpi+0x3a0/0x3a0 [ 59.838009] ? vfat_cmpi+0x3a0/0x3a0 [ 59.841698] __bread_gfp+0x29/0x1f0 [ 59.845301] fat_fill_super+0x2ef/0x3000 [ 59.849342] ? pointer+0xa00/0xa00 [ 59.852853] ? fat_flush_inodes+0x170/0x170 [ 59.857145] ? lock_downgrade+0x6e0/0x6e0 [ 59.861281] ? snprintf+0xa5/0xd0 [ 59.864708] ? vsprintf+0x30/0x30 [ 59.868135] ? ns_test_super+0x50/0x50 [ 59.871992] ? set_blocksize+0x24b/0x2e0 [ 59.876026] mount_bdev+0x2b3/0x360 [ 59.879623] ? vfat_mount+0x40/0x40 [ 59.883222] mount_fs+0x92/0x2a0 [ 59.886561] vfs_kern_mount.part.0+0x5b/0x3c0 [ 59.891031] do_mount+0x3c9/0x25e0 [ 59.894546] ? copy_mount_string+0x40/0x40 [ 59.898798] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 59.903611] ? copy_mnt_ns+0x8a0/0x8a0 [ 59.907472] ? copy_mount_options+0x1ec/0x2e0 [ 59.911936] ? copy_mnt_ns+0x8a0/0x8a0 [ 59.915795] SyS_mount+0xa8/0x120 [ 59.919219] ? copy_mnt_ns+0x8a0/0x8a0 [ 59.923082] do_syscall_64+0x1d5/0x640 [ 59.926945] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 59.932104] RIP: 0033:0x44916a [ 59.935267] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 59.942945] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 59.950196] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 59.957450] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 executing program [ 59.964692] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000004 [ 59.971935] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 60.029951] FAULT_INJECTION: forcing a failure. [ 60.029951] name failslab, interval 1, probability 0, space 0, times 0 [ 60.041527] CPU: 1 PID: 6386 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 60.049417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.058764] Call Trace: [ 60.061347] dump_stack+0x1b2/0x283 [ 60.064965] should_fail.cold+0x10a/0x154 [ 60.069087] should_failslab+0xd6/0x130 [ 60.073035] kmem_cache_alloc+0x28e/0x3c0 [ 60.077157] alloc_buffer_head+0x20/0xd0 [ 60.081188] alloc_page_buffers+0xb3/0x1f0 [ 60.085396] __getblk_gfp+0x32c/0x7b0 [ 60.089169] ? filemap_write_and_wait+0x7e/0xa0 [ 60.093809] ? vfat_cmpi+0x3a0/0x3a0 [ 60.097539] ? vfat_cmpi+0x3a0/0x3a0 [ 60.101312] __bread_gfp+0x29/0x1f0 [ 60.104912] fat_fill_super+0x2ef/0x3000 [ 60.108947] ? pointer+0xa00/0xa00 [ 60.112468] ? fat_flush_inodes+0x170/0x170 [ 60.116769] ? lock_downgrade+0x6e0/0x6e0 [ 60.120888] ? snprintf+0xa5/0xd0 [ 60.124313] ? vsprintf+0x30/0x30 [ 60.127738] ? ns_test_super+0x50/0x50 [ 60.131596] ? set_blocksize+0x24b/0x2e0 [ 60.135633] mount_bdev+0x2b3/0x360 [ 60.139245] ? vfat_mount+0x40/0x40 [ 60.142844] mount_fs+0x92/0x2a0 [ 60.146184] vfs_kern_mount.part.0+0x5b/0x3c0 [ 60.150715] do_mount+0x3c9/0x25e0 [ 60.154230] ? copy_mount_string+0x40/0x40 [ 60.158437] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 60.163252] ? copy_mnt_ns+0x8a0/0x8a0 [ 60.167149] ? copy_mount_options+0x1ec/0x2e0 [ 60.171619] ? copy_mnt_ns+0x8a0/0x8a0 [ 60.175522] SyS_mount+0xa8/0x120 [ 60.178975] ? copy_mnt_ns+0x8a0/0x8a0 [ 60.182837] do_syscall_64+0x1d5/0x640 [ 60.186700] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 60.191859] RIP: 0033:0x44916a [ 60.195021] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 60.202731] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 60.209974] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 60.217215] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 60.224458] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000005 [ 60.231701] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 executing program [ 60.299851] FAULT_INJECTION: forcing a failure. [ 60.299851] name failslab, interval 1, probability 0, space 0, times 0 [ 60.311310] CPU: 1 PID: 6393 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 60.319309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.328654] Call Trace: [ 60.331240] dump_stack+0x1b2/0x283 [ 60.334878] should_fail.cold+0x10a/0x154 [ 60.339002] should_failslab+0xd6/0x130 [ 60.342949] kmem_cache_alloc+0x28e/0x3c0 [ 60.347070] alloc_buffer_head+0x20/0xd0 [ 60.351102] alloc_page_buffers+0xb3/0x1f0 [ 60.355312] __getblk_gfp+0x32c/0x7b0 [ 60.359086] ? filemap_write_and_wait+0x7e/0xa0 [ 60.363728] ? vfat_cmpi+0x3a0/0x3a0 [ 60.367455] ? vfat_cmpi+0x3a0/0x3a0 [ 60.371140] __bread_gfp+0x29/0x1f0 [ 60.374744] fat_fill_super+0x2ef/0x3000 [ 60.378785] ? pointer+0xa00/0xa00 [ 60.382298] ? fat_flush_inodes+0x170/0x170 [ 60.386591] ? lock_downgrade+0x6e0/0x6e0 [ 60.390713] ? snprintf+0xa5/0xd0 [ 60.394144] ? vsprintf+0x30/0x30 [ 60.397570] ? ns_test_super+0x50/0x50 [ 60.401428] ? set_blocksize+0x24b/0x2e0 [ 60.405466] mount_bdev+0x2b3/0x360 [ 60.409063] ? vfat_mount+0x40/0x40 [ 60.412662] mount_fs+0x92/0x2a0 [ 60.416001] vfs_kern_mount.part.0+0x5b/0x3c0 [ 60.420469] do_mount+0x3c9/0x25e0 [ 60.423985] ? copy_mount_string+0x40/0x40 [ 60.428191] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 60.433044] ? copy_mnt_ns+0x8a0/0x8a0 [ 60.436905] ? copy_mount_options+0x1ec/0x2e0 [ 60.441456] ? copy_mnt_ns+0x8a0/0x8a0 [ 60.445318] SyS_mount+0xa8/0x120 [ 60.448742] ? copy_mnt_ns+0x8a0/0x8a0 [ 60.452670] do_syscall_64+0x1d5/0x640 [ 60.456543] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 60.461711] RIP: 0033:0x44916a [ 60.464879] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 60.472561] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 60.479807] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 60.487051] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 60.494478] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000006 [ 60.501727] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 executing program [ 60.568644] FAULT_INJECTION: forcing a failure. [ 60.568644] name failslab, interval 1, probability 0, space 0, times 0 [ 60.585969] CPU: 0 PID: 6400 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 60.593846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.603177] Call Trace: [ 60.605743] dump_stack+0x1b2/0x283 [ 60.609348] should_fail.cold+0x10a/0x154 [ 60.613475] should_failslab+0xd6/0x130 [ 60.617421] kmem_cache_alloc+0x28e/0x3c0 [ 60.621568] alloc_buffer_head+0x20/0xd0 [ 60.625603] alloc_page_buffers+0xb3/0x1f0 [ 60.629815] __getblk_gfp+0x32c/0x7b0 [ 60.633594] ? filemap_write_and_wait+0x7e/0xa0 [ 60.638236] ? vfat_cmpi+0x3a0/0x3a0 [ 60.641956] ? vfat_cmpi+0x3a0/0x3a0 [ 60.645730] __bread_gfp+0x29/0x1f0 [ 60.649331] fat_fill_super+0x2ef/0x3000 [ 60.653368] ? pointer+0xa00/0xa00 [ 60.656879] ? fat_flush_inodes+0x170/0x170 [ 60.661171] ? lock_downgrade+0x6e0/0x6e0 [ 60.665291] ? snprintf+0xa5/0xd0 [ 60.668714] ? vsprintf+0x30/0x30 [ 60.672139] ? ns_test_super+0x50/0x50 [ 60.675996] ? set_blocksize+0x24b/0x2e0 [ 60.680030] mount_bdev+0x2b3/0x360 [ 60.683631] ? vfat_mount+0x40/0x40 [ 60.687251] mount_fs+0x92/0x2a0 [ 60.690605] vfs_kern_mount.part.0+0x5b/0x3c0 [ 60.695075] do_mount+0x3c9/0x25e0 [ 60.698590] ? copy_mount_string+0x40/0x40 [ 60.702795] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 60.707609] ? copy_mnt_ns+0x8a0/0x8a0 [ 60.711478] ? copy_mount_options+0x1ec/0x2e0 [ 60.716149] ? copy_mnt_ns+0x8a0/0x8a0 [ 60.720010] SyS_mount+0xa8/0x120 [ 60.723433] ? copy_mnt_ns+0x8a0/0x8a0 [ 60.727293] do_syscall_64+0x1d5/0x640 [ 60.731157] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 60.736319] RIP: 0033:0x44916a [ 60.740063] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 60.747757] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 60.755003] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 60.762246] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 executing program [ 60.769490] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000007 [ 60.776733] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 60.820527] FAULT_INJECTION: forcing a failure. [ 60.820527] name failslab, interval 1, probability 0, space 0, times 0 [ 60.832205] CPU: 1 PID: 6406 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 60.840080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.849417] Call Trace: [ 60.851979] dump_stack+0x1b2/0x283 [ 60.855583] should_fail.cold+0x10a/0x154 [ 60.859707] should_failslab+0xd6/0x130 [ 60.863656] kmem_cache_alloc+0x28e/0x3c0 [ 60.867777] alloc_buffer_head+0x20/0xd0 [ 60.871808] alloc_page_buffers+0xb3/0x1f0 [ 60.876016] __getblk_gfp+0x32c/0x7b0 [ 60.879792] ? filemap_write_and_wait+0x7e/0xa0 [ 60.884433] ? vfat_cmpi+0x3a0/0x3a0 [ 60.888119] ? vfat_cmpi+0x3a0/0x3a0 [ 60.891805] __bread_gfp+0x29/0x1f0 [ 60.895404] fat_fill_super+0x2ef/0x3000 [ 60.899439] ? pointer+0xa00/0xa00 [ 60.902952] ? fat_flush_inodes+0x170/0x170 [ 60.907244] ? lock_downgrade+0x6e0/0x6e0 [ 60.911362] ? snprintf+0xa5/0xd0 [ 60.914786] ? vsprintf+0x30/0x30 [ 60.918210] ? ns_test_super+0x50/0x50 [ 60.922070] ? set_blocksize+0x24b/0x2e0 [ 60.926107] mount_bdev+0x2b3/0x360 [ 60.929705] ? vfat_mount+0x40/0x40 [ 60.933303] mount_fs+0x92/0x2a0 [ 60.936643] vfs_kern_mount.part.0+0x5b/0x3c0 [ 60.941110] do_mount+0x3c9/0x25e0 [ 60.944629] ? copy_mount_string+0x40/0x40 [ 60.948834] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 60.953647] ? copy_mnt_ns+0x8a0/0x8a0 [ 60.957594] ? copy_mount_options+0x1ec/0x2e0 [ 60.962070] ? copy_mnt_ns+0x8a0/0x8a0 [ 60.965932] SyS_mount+0xa8/0x120 [ 60.969355] ? copy_mnt_ns+0x8a0/0x8a0 [ 60.973216] do_syscall_64+0x1d5/0x640 [ 60.977121] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 60.982282] RIP: 0033:0x44916a [ 60.985450] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 60.993132] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 61.000411] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 61.007654] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 executing program [ 61.014897] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000008 [ 61.022136] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 61.083862] FAULT_INJECTION: forcing a failure. [ 61.083862] name failslab, interval 1, probability 0, space 0, times 0 [ 61.095344] CPU: 1 PID: 6412 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 61.103215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.112557] Call Trace: [ 61.115155] dump_stack+0x1b2/0x283 [ 61.118782] should_fail.cold+0x10a/0x154 [ 61.122928] should_failslab+0xd6/0x130 [ 61.126897] kmem_cache_alloc+0x28e/0x3c0 [ 61.131039] alloc_buffer_head+0x20/0xd0 [ 61.135093] alloc_page_buffers+0xb3/0x1f0 [ 61.136197] FAULT_INJECTION: forcing a failure. [ 61.136197] name failslab, interval 1, probability 0, space 0, times 0 [ 61.139322] __getblk_gfp+0x32c/0x7b0 [ 61.139335] ? filemap_write_and_wait+0x7e/0xa0 [ 61.139346] ? vfat_cmpi+0x3a0/0x3a0 [ 61.162633] ? vfat_cmpi+0x3a0/0x3a0 [ 61.166343] __bread_gfp+0x29/0x1f0 [ 61.169963] fat_fill_super+0x2ef/0x3000 [ 61.174016] ? pointer+0xa00/0xa00 [ 61.177542] ? fat_flush_inodes+0x170/0x170 [ 61.181854] ? lock_downgrade+0x6e0/0x6e0 [ 61.185987] ? snprintf+0xa5/0xd0 [ 61.189415] ? vsprintf+0x30/0x30 [ 61.192846] ? ns_test_super+0x50/0x50 [ 61.196712] ? set_blocksize+0x24b/0x2e0 [ 61.200752] mount_bdev+0x2b3/0x360 [ 61.204353] ? vfat_mount+0x40/0x40 [ 61.207957] mount_fs+0x92/0x2a0 [ 61.211301] vfs_kern_mount.part.0+0x5b/0x3c0 [ 61.215776] do_mount+0x3c9/0x25e0 [ 61.219294] ? copy_mount_string+0x40/0x40 [ 61.223506] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 61.228338] ? copy_mnt_ns+0x8a0/0x8a0 [ 61.232199] ? copy_mount_options+0x1ec/0x2e0 [ 61.236667] ? copy_mnt_ns+0x8a0/0x8a0 [ 61.240528] SyS_mount+0xa8/0x120 [ 61.243954] ? copy_mnt_ns+0x8a0/0x8a0 [ 61.247822] do_syscall_64+0x1d5/0x640 [ 61.251691] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 61.256856] RIP: 0033:0x44916a [ 61.260022] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 61.267704] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 61.274950] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 executing program [ 61.282194] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 61.289448] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000009 [ 61.296700] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 61.303956] CPU: 0 PID: 6437 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 61.311834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.321176] Call Trace: [ 61.323762] dump_stack+0x1b2/0x283 [ 61.327392] should_fail.cold+0x10a/0x154 [ 61.331535] should_failslab+0xd6/0x130 [ 61.335486] kmem_cache_alloc+0x28e/0x3c0 [ 61.339610] alloc_buffer_head+0x20/0xd0 [ 61.343647] alloc_page_buffers+0xb3/0x1f0 [ 61.347855] __getblk_gfp+0x32c/0x7b0 [ 61.351820] ? filemap_write_and_wait+0x7e/0xa0 [ 61.356461] ? vfat_cmpi+0x3a0/0x3a0 [ 61.360143] ? vfat_cmpi+0x3a0/0x3a0 [ 61.363829] __bread_gfp+0x29/0x1f0 [ 61.367428] fat_fill_super+0x2ef/0x3000 [ 61.371463] ? pointer+0xa00/0xa00 [ 61.374977] ? fat_flush_inodes+0x170/0x170 [ 61.379270] ? lock_downgrade+0x6e0/0x6e0 [ 61.383441] ? snprintf+0xa5/0xd0 [ 61.386867] ? vsprintf+0x30/0x30 [ 61.390291] ? ns_test_super+0x50/0x50 [ 61.394152] ? set_blocksize+0x24b/0x2e0 [ 61.398186] mount_bdev+0x2b3/0x360 [ 61.401783] ? vfat_mount+0x40/0x40 [ 61.405390] mount_fs+0x92/0x2a0 [ 61.408733] vfs_kern_mount.part.0+0x5b/0x3c0 [ 61.413204] do_mount+0x3c9/0x25e0 [ 61.416719] ? copy_mount_string+0x40/0x40 [ 61.420923] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 61.425772] ? copy_mnt_ns+0x8a0/0x8a0 [ 61.429632] ? copy_mount_options+0x1ec/0x2e0 [ 61.434148] ? copy_mnt_ns+0x8a0/0x8a0 [ 61.438007] SyS_mount+0xa8/0x120 [ 61.441430] ? copy_mnt_ns+0x8a0/0x8a0 [ 61.445329] do_syscall_64+0x1d5/0x640 [ 61.449196] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 61.454360] RIP: 0033:0x44916a [ 61.457525] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 61.465304] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 61.472548] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 executing program [ 61.479801] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 61.487046] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000000 [ 61.494288] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 61.525459] FAULT_INJECTION: forcing a failure. [ 61.525459] name failslab, interval 1, probability 0, space 0, times 0 [ 61.539679] CPU: 1 PID: 6444 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 61.547588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.556931] Call Trace: [ 61.559516] dump_stack+0x1b2/0x283 [ 61.563147] should_fail.cold+0x10a/0x154 [ 61.567297] should_failslab+0xd6/0x130 [ 61.571276] kmem_cache_alloc+0x28e/0x3c0 [ 61.575422] alloc_buffer_head+0x20/0xd0 [ 61.579476] alloc_page_buffers+0xb3/0x1f0 [ 61.583711] __getblk_gfp+0x32c/0x7b0 [ 61.587513] ? filemap_write_and_wait+0x7e/0xa0 [ 61.592180] ? vfat_cmpi+0x3a0/0x3a0 [ 61.595891] ? vfat_cmpi+0x3a0/0x3a0 [ 61.599601] __bread_gfp+0x29/0x1f0 [ 61.603223] fat_fill_super+0x2ef/0x3000 [ 61.605254] FAULT_INJECTION: forcing a failure. [ 61.605254] name failslab, interval 1, probability 0, space 0, times 0 [ 61.607276] ? pointer+0xa00/0xa00 [ 61.621973] ? fat_flush_inodes+0x170/0x170 [ 61.626282] ? lock_downgrade+0x6e0/0x6e0 [ 61.630406] ? snprintf+0xa5/0xd0 [ 61.633833] ? vsprintf+0x30/0x30 [ 61.637265] ? ns_test_super+0x50/0x50 [ 61.641128] ? set_blocksize+0x24b/0x2e0 [ 61.645167] mount_bdev+0x2b3/0x360 [ 61.648772] ? vfat_mount+0x40/0x40 [ 61.652377] mount_fs+0x92/0x2a0 [ 61.655730] vfs_kern_mount.part.0+0x5b/0x3c0 [ 61.660207] do_mount+0x3c9/0x25e0 [ 61.663726] ? copy_mount_string+0x40/0x40 [ 61.667935] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 61.672751] ? copy_mnt_ns+0x8a0/0x8a0 [ 61.676616] ? copy_mount_options+0x1ec/0x2e0 [ 61.681098] ? copy_mnt_ns+0x8a0/0x8a0 [ 61.684970] SyS_mount+0xa8/0x120 [ 61.688431] ? copy_mnt_ns+0x8a0/0x8a0 [ 61.692302] do_syscall_64+0x1d5/0x640 [ 61.696182] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 61.701350] RIP: 0033:0x44916a [ 61.704525] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 61.712215] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 61.719461] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 61.726707] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 executing program [ 61.734083] R10: 000000000200c010 R11: 0000000000000293 R12: 000000000000000a [ 61.741333] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 61.748596] CPU: 0 PID: 6449 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 61.756474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.765824] Call Trace: [ 61.768410] dump_stack+0x1b2/0x283 [ 61.772037] should_fail.cold+0x10a/0x154 [ 61.776289] should_failslab+0xd6/0x130 [ 61.780256] kmem_cache_alloc+0x28e/0x3c0 [ 61.784405] alloc_buffer_head+0x20/0xd0 [ 61.788453] alloc_page_buffers+0xb3/0x1f0 [ 61.792670] __getblk_gfp+0x32c/0x7b0 [ 61.796456] ? filemap_write_and_wait+0x7e/0xa0 [ 61.801100] ? vfat_cmpi+0x3a0/0x3a0 [ 61.804793] ? vfat_cmpi+0x3a0/0x3a0 [ 61.808488] __bread_gfp+0x29/0x1f0 [ 61.812090] fat_fill_super+0x2ef/0x3000 [ 61.816127] ? pointer+0xa00/0xa00 [ 61.819693] ? fat_flush_inodes+0x170/0x170 [ 61.823990] ? lock_downgrade+0x6e0/0x6e0 [ 61.828112] ? snprintf+0xa5/0xd0 [ 61.831537] ? vsprintf+0x30/0x30 [ 61.834964] ? ns_test_super+0x50/0x50 [ 61.838825] ? set_blocksize+0x24b/0x2e0 [ 61.842863] mount_bdev+0x2b3/0x360 [ 61.846470] ? vfat_mount+0x40/0x40 [ 61.850077] mount_fs+0x92/0x2a0 [ 61.853420] vfs_kern_mount.part.0+0x5b/0x3c0 [ 61.857888] do_mount+0x3c9/0x25e0 [ 61.861403] ? copy_mount_string+0x40/0x40 [ 61.865610] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 61.870427] ? copy_mnt_ns+0x8a0/0x8a0 [ 61.874288] ? copy_mount_options+0x1ec/0x2e0 [ 61.878757] ? copy_mnt_ns+0x8a0/0x8a0 [ 61.882637] SyS_mount+0xa8/0x120 [ 61.886070] ? copy_mnt_ns+0x8a0/0x8a0 [ 61.889934] do_syscall_64+0x1d5/0x640 [ 61.893799] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 61.898965] RIP: 0033:0x44916a [ 61.902136] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 61.909911] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 61.917198] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 61.924442] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 executing program [ 61.931687] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000001 [ 61.938979] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 61.971247] FAULT_INJECTION: forcing a failure. [ 61.971247] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 61.983061] CPU: 0 PID: 6457 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 61.990932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.000280] Call Trace: [ 62.002866] dump_stack+0x1b2/0x283 [ 62.006483] should_fail.cold+0x10a/0x154 [ 62.010609] __alloc_pages_nodemask+0x22b/0x2730 [ 62.015342] ? depot_save_stack+0x10d/0x401 [ 62.019648] ? kasan_kmalloc.part.0+0xa6/0xd0 [ 62.024125] ? kasan_kmalloc.part.0+0x4f/0xd0 [ 62.028600] ? kmem_cache_alloc+0x124/0x3c0 [ 62.032900] ? alloc_buffer_head+0x20/0xd0 [ 62.037116] ? alloc_page_buffers+0xb3/0x1f0 [ 62.041498] ? __getblk_gfp+0x32c/0x7b0 [ 62.045445] ? __bread_gfp+0x29/0x1f0 [ 62.049218] ? fat_fill_super+0x2ef/0x3000 [ 62.053427] ? mount_bdev+0x2b3/0x360 [ 62.057199] ? mount_fs+0x92/0x2a0 [ 62.060717] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 62.065533] ? do_syscall_64+0x1d5/0x640 [ 62.069569] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 62.074908] ? mem_cgroup_commit_charge+0x17d/0x3a0 [ 62.079901] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 62.085340] ? rcu_read_lock_sched_held+0x10a/0x130 [ 62.090339] cache_grow_begin+0x91/0x410 [ 62.094384] cache_alloc_refill+0x28c/0x360 [ 62.098682] kmem_cache_alloc+0x333/0x3c0 [ 62.102803] alloc_buffer_head+0x20/0xd0 [ 62.106836] alloc_page_buffers+0xb3/0x1f0 [ 62.111064] __getblk_gfp+0x32c/0x7b0 [ 62.114849] ? filemap_write_and_wait+0x7e/0xa0 [ 62.119525] ? vfat_cmpi+0x3a0/0x3a0 [ 62.123221] ? vfat_cmpi+0x3a0/0x3a0 [ 62.126912] __bread_gfp+0x29/0x1f0 [ 62.130514] fat_fill_super+0x2ef/0x3000 [ 62.134553] ? pointer+0xa00/0xa00 [ 62.138068] ? fat_flush_inodes+0x170/0x170 [ 62.142381] ? lock_downgrade+0x6e0/0x6e0 [ 62.146503] ? snprintf+0xa5/0xd0 [ 62.149931] ? vsprintf+0x30/0x30 [ 62.153362] ? ns_test_super+0x50/0x50 [ 62.157232] ? set_blocksize+0x24b/0x2e0 [ 62.161276] mount_bdev+0x2b3/0x360 [ 62.164878] ? vfat_mount+0x40/0x40 [ 62.168484] mount_fs+0x92/0x2a0 [ 62.171827] vfs_kern_mount.part.0+0x5b/0x3c0 [ 62.176297] do_mount+0x3c9/0x25e0 [ 62.179815] ? copy_mount_string+0x40/0x40 [ 62.184025] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 62.188842] ? copy_mnt_ns+0x8a0/0x8a0 [ 62.192702] ? copy_mount_options+0x1ec/0x2e0 [ 62.197170] ? copy_mnt_ns+0x8a0/0x8a0 [ 62.201031] SyS_mount+0xa8/0x120 [ 62.204458] ? copy_mnt_ns+0x8a0/0x8a0 [ 62.208327] do_syscall_64+0x1d5/0x640 [ 62.212197] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 62.217361] RIP: 0033:0x44916a [ 62.220542] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 62.228222] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a executing program [ 62.235519] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 62.242891] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 62.250133] R10: 000000000200c010 R11: 0000000000000293 R12: 000000000000000b [ 62.257378] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 executing program [ 62.290580] FAULT_INJECTION: forcing a failure. [ 62.290580] name failslab, interval 1, probability 0, space 0, times 0 [ 62.303413] CPU: 0 PID: 6462 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 62.311298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.320641] Call Trace: [ 62.323225] dump_stack+0x1b2/0x283 [ 62.326855] should_fail.cold+0x10a/0x154 [ 62.329114] FAULT_INJECTION: forcing a failure. [ 62.329114] name failslab, interval 1, probability 0, space 0, times 0 [ 62.330999] should_failslab+0xd6/0x130 [ 62.331011] kmem_cache_alloc+0x28e/0x3c0 [ 62.350286] alloc_buffer_head+0x20/0xd0 [ 62.354342] alloc_page_buffers+0xb3/0x1f0 [ 62.358580] __getblk_gfp+0x32c/0x7b0 [ 62.362379] ? filemap_write_and_wait+0x7e/0xa0 [ 62.367037] ? vfat_cmpi+0x3a0/0x3a0 [ 62.370734] ? vfat_cmpi+0x3a0/0x3a0 [ 62.374432] __bread_gfp+0x29/0x1f0 [ 62.378045] fat_fill_super+0x2ef/0x3000 [ 62.382118] ? pointer+0xa00/0xa00 [ 62.385650] ? fat_flush_inodes+0x170/0x170 [ 62.389968] ? lock_downgrade+0x6e0/0x6e0 [ 62.394113] ? snprintf+0xa5/0xd0 [ 62.397559] ? vsprintf+0x30/0x30 [ 62.401002] ? ns_test_super+0x50/0x50 [ 62.404871] ? set_blocksize+0x24b/0x2e0 [ 62.408939] mount_bdev+0x2b3/0x360 [ 62.412564] ? vfat_mount+0x40/0x40 [ 62.416186] mount_fs+0x92/0x2a0 [ 62.419542] vfs_kern_mount.part.0+0x5b/0x3c0 [ 62.424031] do_mount+0x3c9/0x25e0 [ 62.427572] ? copy_mount_string+0x40/0x40 [ 62.431803] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 62.436662] ? copy_mnt_ns+0x8a0/0x8a0 [ 62.440544] ? copy_mount_options+0x1ec/0x2e0 [ 62.445025] ? copy_mnt_ns+0x8a0/0x8a0 [ 62.448890] SyS_mount+0xa8/0x120 [ 62.452318] ? copy_mnt_ns+0x8a0/0x8a0 [ 62.456183] do_syscall_64+0x1d5/0x640 [ 62.460054] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 62.465240] RIP: 0033:0x44916a [ 62.468424] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 62.476116] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 62.483362] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 62.490616] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 62.497868] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000002 [ 62.505120] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 62.512381] CPU: 1 PID: 6469 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 62.520258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.529604] Call Trace: [ 62.532178] dump_stack+0x1b2/0x283 [ 62.535800] should_fail.cold+0x10a/0x154 [ 62.539934] should_failslab+0xd6/0x130 [ 62.543887] kmem_cache_alloc+0x28e/0x3c0 [ 62.548009] alloc_buffer_head+0x20/0xd0 [ 62.552044] alloc_page_buffers+0xb3/0x1f0 [ 62.556257] __getblk_gfp+0x32c/0x7b0 [ 62.560034] ? filemap_write_and_wait+0x7e/0xa0 [ 62.564680] ? vfat_cmpi+0x3a0/0x3a0 [ 62.568375] ? vfat_cmpi+0x3a0/0x3a0 [ 62.572079] __bread_gfp+0x29/0x1f0 [ 62.575696] fat_fill_super+0x2ef/0x3000 [ 62.579773] ? pointer+0xa00/0xa00 [ 62.583286] ? fat_flush_inodes+0x170/0x170 [ 62.587582] ? lock_downgrade+0x6e0/0x6e0 [ 62.591704] ? snprintf+0xa5/0xd0 [ 62.595130] ? vsprintf+0x30/0x30 [ 62.598558] ? ns_test_super+0x50/0x50 [ 62.602431] ? set_blocksize+0x24b/0x2e0 [ 62.606476] mount_bdev+0x2b3/0x360 [ 62.610090] ? vfat_mount+0x40/0x40 [ 62.613696] mount_fs+0x92/0x2a0 [ 62.617038] vfs_kern_mount.part.0+0x5b/0x3c0 [ 62.621512] do_mount+0x3c9/0x25e0 [ 62.625028] ? copy_mount_string+0x40/0x40 [ 62.629235] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 62.634058] ? copy_mnt_ns+0x8a0/0x8a0 [ 62.637933] ? copy_mount_options+0x1ec/0x2e0 [ 62.642401] ? copy_mnt_ns+0x8a0/0x8a0 [ 62.646261] SyS_mount+0xa8/0x120 [ 62.649728] ? copy_mnt_ns+0x8a0/0x8a0 [ 62.653593] do_syscall_64+0x1d5/0x640 [ 62.657456] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 62.662631] RIP: 0033:0x44916a [ 62.665794] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 62.673474] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 62.680892] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 executing program [ 62.688137] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 62.695379] R10: 000000000200c010 R11: 0000000000000293 R12: 000000000000000c [ 62.702628] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 62.711496] IPVS: ftp: loaded support on port[0] = 21 [ 62.741191] FAULT_INJECTION: forcing a failure. [ 62.741191] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 62.753002] CPU: 0 PID: 6477 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 62.760883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.770224] Call Trace: [ 62.772790] dump_stack+0x1b2/0x283 [ 62.776403] should_fail.cold+0x10a/0x154 [ 62.780535] ? lock_downgrade+0x6e0/0x6e0 [ 62.784665] __alloc_pages_nodemask+0x22b/0x2730 [ 62.789399] ? is_bpf_text_address+0xa3/0x120 [ 62.793908] ? unwind_get_return_address+0x51/0x90 [ 62.798811] ? __save_stack_trace+0x7b/0xd0 [ 62.803110] ? depot_save_stack+0x10d/0x401 [ 62.807407] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 62.812225] ? trace_hardirqs_on+0x10/0x10 [ 62.816443] ? string+0x17e/0x1d0 [ 62.819871] ? widen_string+0x210/0x210 [ 62.823823] ? trace_hardirqs_on+0x10/0x10 [ 62.828033] cache_grow_begin+0x91/0x410 [ 62.832075] cache_alloc_refill+0x28c/0x360 [ 62.836381] kmem_cache_alloc_trace+0x35b/0x3f0 [ 62.841024] ? vfat_cmpi+0x3a0/0x3a0 [ 62.844712] fat_fill_super+0xb2/0x3000 [ 62.848662] ? pointer+0xa00/0xa00 [ 62.852174] ? fat_flush_inodes+0x170/0x170 [ 62.856467] ? lock_downgrade+0x6e0/0x6e0 [ 62.860589] ? snprintf+0xa5/0xd0 [ 62.864016] ? vsprintf+0x30/0x30 [ 62.867444] ? ns_test_super+0x50/0x50 [ 62.871358] ? set_blocksize+0x24b/0x2e0 [ 62.875403] mount_bdev+0x2b3/0x360 [ 62.879009] ? vfat_mount+0x40/0x40 [ 62.882737] mount_fs+0x92/0x2a0 [ 62.886078] vfs_kern_mount.part.0+0x5b/0x3c0 [ 62.890548] do_mount+0x3c9/0x25e0 [ 62.894065] ? copy_mount_string+0x40/0x40 [ 62.898273] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 62.903109] ? copy_mnt_ns+0x8a0/0x8a0 [ 62.906972] ? copy_mount_options+0x1ec/0x2e0 [ 62.911438] ? copy_mnt_ns+0x8a0/0x8a0 [ 62.915339] SyS_mount+0xa8/0x120 [ 62.918765] ? copy_mnt_ns+0x8a0/0x8a0 [ 62.922626] do_syscall_64+0x1d5/0x640 [ 62.926491] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 62.931669] RIP: 0033:0x44916a executing program [ 62.934834] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 62.942516] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 62.949761] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 62.957046] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 62.964291] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000003 [ 62.971541] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 63.007039] FAULT_INJECTION: forcing a failure. [ 63.007039] name failslab, interval 1, probability 0, space 0, times 0 [ 63.025247] CPU: 0 PID: 6483 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 63.033132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.042460] Call Trace: [ 63.045026] dump_stack+0x1b2/0x283 [ 63.048631] should_fail.cold+0x10a/0x154 [ 63.052756] should_failslab+0xd6/0x130 [ 63.056703] kmem_cache_alloc+0x28e/0x3c0 [ 63.060831] alloc_buffer_head+0x20/0xd0 [ 63.064864] alloc_page_buffers+0xb3/0x1f0 [ 63.069073] __getblk_gfp+0x32c/0x7b0 [ 63.072850] ? filemap_write_and_wait+0x7e/0xa0 [ 63.077511] ? vfat_cmpi+0x3a0/0x3a0 [ 63.081198] ? vfat_cmpi+0x3a0/0x3a0 [ 63.084886] __bread_gfp+0x29/0x1f0 [ 63.088486] fat_fill_super+0x2ef/0x3000 [ 63.092524] ? pointer+0xa00/0xa00 [ 63.096036] ? fat_flush_inodes+0x170/0x170 [ 63.100328] ? lock_downgrade+0x6e0/0x6e0 [ 63.104449] ? snprintf+0xa5/0xd0 [ 63.107873] ? vsprintf+0x30/0x30 [ 63.111298] ? ns_test_super+0x50/0x50 [ 63.115158] ? set_blocksize+0x24b/0x2e0 [ 63.119194] mount_bdev+0x2b3/0x360 [ 63.122792] ? vfat_mount+0x40/0x40 [ 63.126391] mount_fs+0x92/0x2a0 [ 63.129731] vfs_kern_mount.part.0+0x5b/0x3c0 [ 63.134198] do_mount+0x3c9/0x25e0 [ 63.137710] ? copy_mount_string+0x40/0x40 [ 63.141926] ? copy_mount_options+0x187/0x2e0 [ 63.146392] ? copy_mount_options+0x1ec/0x2e0 [ 63.150857] ? copy_mnt_ns+0x8a0/0x8a0 [ 63.154717] SyS_mount+0xa8/0x120 [ 63.158141] ? copy_mnt_ns+0x8a0/0x8a0 [ 63.162015] do_syscall_64+0x1d5/0x640 [ 63.165891] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 63.171052] RIP: 0033:0x44916a [ 63.174214] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 63.181965] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 63.189229] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 63.196478] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 executing program executing program [ 63.203721] R10: 000000000200c010 R11: 0000000000000293 R12: 000000000000000d [ 63.210964] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 63.242221] FAULT_INJECTION: forcing a failure. [ 63.242221] name failslab, interval 1, probability 0, space 0, times 0 [ 63.257425] CPU: 0 PID: 6489 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 63.265315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.274658] Call Trace: [ 63.277245] dump_stack+0x1b2/0x283 [ 63.280867] should_fail.cold+0x10a/0x154 [ 63.285016] should_failslab+0xd6/0x130 [ 63.288987] kmem_cache_alloc+0x28e/0x3c0 [ 63.293131] alloc_buffer_head+0x20/0xd0 [ 63.297186] alloc_page_buffers+0xb3/0x1f0 [ 63.301416] __getblk_gfp+0x32c/0x7b0 [ 63.305214] ? filemap_write_and_wait+0x7e/0xa0 [ 63.309884] ? vfat_cmpi+0x3a0/0x3a0 [ 63.313586] ? vfat_cmpi+0x3a0/0x3a0 [ 63.316600] FAULT_INJECTION: forcing a failure. [ 63.316600] name failslab, interval 1, probability 0, space 0, times 0 [ 63.317290] __bread_gfp+0x29/0x1f0 [ 63.332055] fat_fill_super+0x2ef/0x3000 [ 63.332067] ? pointer+0xa00/0xa00 [ 63.332074] ? fat_flush_inodes+0x170/0x170 [ 63.332082] ? lock_downgrade+0x6e0/0x6e0 [ 63.332090] ? snprintf+0xa5/0xd0 [ 63.332096] ? vsprintf+0x30/0x30 [ 63.332105] ? ns_test_super+0x50/0x50 [ 63.332112] ? set_blocksize+0x24b/0x2e0 [ 63.332124] mount_bdev+0x2b3/0x360 [ 63.332130] ? vfat_mount+0x40/0x40 [ 63.332140] mount_fs+0x92/0x2a0 [ 63.332150] vfs_kern_mount.part.0+0x5b/0x3c0 [ 63.332159] do_mount+0x3c9/0x25e0 [ 63.332170] ? copy_mount_string+0x40/0x40 [ 63.385663] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 63.390480] ? copy_mnt_ns+0x8a0/0x8a0 [ 63.394343] ? copy_mount_options+0x1ec/0x2e0 [ 63.398810] ? copy_mnt_ns+0x8a0/0x8a0 [ 63.402673] SyS_mount+0xa8/0x120 [ 63.406124] ? copy_mnt_ns+0x8a0/0x8a0 [ 63.409988] do_syscall_64+0x1d5/0x640 [ 63.413856] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 63.419021] RIP: 0033:0x44916a [ 63.422187] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 63.429874] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 63.437119] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 63.444363] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 63.451609] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000004 [ 63.458852] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 63.466131] CPU: 1 PID: 6494 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 63.474010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.483357] Call Trace: [ 63.485949] dump_stack+0x1b2/0x283 [ 63.489571] should_fail.cold+0x10a/0x154 [ 63.493741] should_failslab+0xd6/0x130 [ 63.497691] kmem_cache_alloc+0x28e/0x3c0 [ 63.501814] alloc_buffer_head+0x20/0xd0 [ 63.505894] alloc_page_buffers+0xb3/0x1f0 [ 63.510103] __getblk_gfp+0x32c/0x7b0 [ 63.513880] ? filemap_write_and_wait+0x7e/0xa0 [ 63.518532] ? vfat_cmpi+0x3a0/0x3a0 [ 63.522226] ? vfat_cmpi+0x3a0/0x3a0 [ 63.525915] __bread_gfp+0x29/0x1f0 [ 63.529518] fat_fill_super+0x2ef/0x3000 [ 63.533555] ? pointer+0xa00/0xa00 [ 63.537068] ? fat_flush_inodes+0x170/0x170 [ 63.541367] ? lock_downgrade+0x6e0/0x6e0 [ 63.545487] ? snprintf+0xa5/0xd0 [ 63.548911] ? vsprintf+0x30/0x30 [ 63.552338] ? ns_test_super+0x50/0x50 [ 63.556200] ? set_blocksize+0x24b/0x2e0 [ 63.560244] mount_bdev+0x2b3/0x360 [ 63.563859] ? vfat_mount+0x40/0x40 [ 63.567474] mount_fs+0x92/0x2a0 [ 63.570832] vfs_kern_mount.part.0+0x5b/0x3c0 [ 63.575304] do_mount+0x3c9/0x25e0 [ 63.578825] ? copy_mount_string+0x40/0x40 [ 63.583059] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 63.587875] ? copy_mnt_ns+0x8a0/0x8a0 [ 63.591736] ? copy_mount_options+0x1ec/0x2e0 [ 63.596204] ? copy_mnt_ns+0x8a0/0x8a0 [ 63.600065] SyS_mount+0xa8/0x120 [ 63.603492] ? copy_mnt_ns+0x8a0/0x8a0 [ 63.607356] do_syscall_64+0x1d5/0x640 [ 63.611220] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 63.616387] RIP: 0033:0x44916a [ 63.619552] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 63.627235] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 63.634482] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 63.641778] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 63.649022] R10: 000000000200c010 R11: 0000000000000293 R12: 000000000000000e executing program [ 63.656265] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 63.679876] FAULT_INJECTION: forcing a failure. [ 63.679876] name failslab, interval 1, probability 0, space 0, times 0 [ 63.697321] CPU: 1 PID: 6502 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 63.705209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.714554] Call Trace: [ 63.717141] dump_stack+0x1b2/0x283 [ 63.720764] should_fail.cold+0x10a/0x154 [ 63.724913] should_failslab+0xd6/0x130 [ 63.728888] kmem_cache_alloc+0x28e/0x3c0 [ 63.733041] alloc_buffer_head+0x20/0xd0 [ 63.737102] alloc_page_buffers+0xb3/0x1f0 [ 63.741336] __getblk_gfp+0x32c/0x7b0 [ 63.745147] ? filemap_write_and_wait+0x7e/0xa0 [ 63.749810] ? vfat_cmpi+0x3a0/0x3a0 [ 63.753516] ? vfat_cmpi+0x3a0/0x3a0 [ 63.755133] FAULT_INJECTION: forcing a failure. [ 63.755133] name failslab, interval 1, probability 0, space 0, times 0 [ 63.757225] __bread_gfp+0x29/0x1f0 [ 63.772092] fat_fill_super+0x2ef/0x3000 [ 63.776150] ? pointer+0xa00/0xa00 [ 63.779680] ? fat_flush_inodes+0x170/0x170 [ 63.783977] ? lock_downgrade+0x6e0/0x6e0 [ 63.788100] ? snprintf+0xa5/0xd0 [ 63.791547] ? vsprintf+0x30/0x30 [ 63.794991] ? ns_test_super+0x50/0x50 [ 63.798866] ? set_blocksize+0x24b/0x2e0 [ 63.802920] mount_bdev+0x2b3/0x360 [ 63.806526] ? vfat_mount+0x40/0x40 [ 63.810130] mount_fs+0x92/0x2a0 [ 63.813477] vfs_kern_mount.part.0+0x5b/0x3c0 [ 63.817972] do_mount+0x3c9/0x25e0 [ 63.821497] ? copy_mount_string+0x40/0x40 [ 63.825716] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 63.830540] ? copy_mnt_ns+0x8a0/0x8a0 [ 63.834408] ? copy_mount_options+0x1ec/0x2e0 [ 63.838878] ? copy_mnt_ns+0x8a0/0x8a0 [ 63.842742] SyS_mount+0xa8/0x120 [ 63.846173] ? copy_mnt_ns+0x8a0/0x8a0 [ 63.850038] do_syscall_64+0x1d5/0x640 [ 63.853904] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 63.859068] RIP: 0033:0x44916a [ 63.862234] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 63.869920] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 63.877165] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 63.884410] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 63.891663] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000005 [ 63.898909] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 63.906175] CPU: 0 PID: 6507 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 63.914051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.923398] Call Trace: [ 63.925982] dump_stack+0x1b2/0x283 [ 63.929609] should_fail.cold+0x10a/0x154 [ 63.933754] should_failslab+0xd6/0x130 [ 63.937730] kmem_cache_alloc+0x28e/0x3c0 [ 63.941863] alloc_buffer_head+0x20/0xd0 [ 63.945904] alloc_page_buffers+0xb3/0x1f0 [ 63.950115] __getblk_gfp+0x32c/0x7b0 [ 63.953893] ? filemap_write_and_wait+0x7e/0xa0 [ 63.958543] ? vfat_cmpi+0x3a0/0x3a0 [ 63.962236] ? vfat_cmpi+0x3a0/0x3a0 [ 63.965924] __bread_gfp+0x29/0x1f0 [ 63.969531] fat_fill_super+0x2ef/0x3000 [ 63.973577] ? pointer+0xa00/0xa00 [ 63.977093] ? fat_flush_inodes+0x170/0x170 [ 63.981386] ? lock_downgrade+0x6e0/0x6e0 [ 63.985507] ? snprintf+0xa5/0xd0 [ 63.988932] ? vsprintf+0x30/0x30 [ 63.992359] ? ns_test_super+0x50/0x50 [ 63.996219] ? set_blocksize+0x24b/0x2e0 [ 64.000255] mount_bdev+0x2b3/0x360 [ 64.003857] ? vfat_mount+0x40/0x40 [ 64.007458] mount_fs+0x92/0x2a0 [ 64.010799] vfs_kern_mount.part.0+0x5b/0x3c0 [ 64.015271] do_mount+0x3c9/0x25e0 [ 64.018788] ? copy_mount_string+0x40/0x40 [ 64.023000] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 64.027825] ? copy_mnt_ns+0x8a0/0x8a0 [ 64.031690] ? copy_mount_options+0x1ec/0x2e0 [ 64.036157] ? copy_mnt_ns+0x8a0/0x8a0 [ 64.040019] SyS_mount+0xa8/0x120 [ 64.043447] ? copy_mnt_ns+0x8a0/0x8a0 [ 64.047353] do_syscall_64+0x1d5/0x640 [ 64.051216] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 64.056380] RIP: 0033:0x44916a executing program [ 64.059543] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 64.067222] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 64.074471] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 64.081817] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 64.089059] R10: 000000000200c010 R11: 0000000000000293 R12: 000000000000000f [ 64.096308] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 64.131662] FAULT_INJECTION: forcing a failure. [ 64.131662] name failslab, interval 1, probability 0, space 0, times 0 [ 64.150950] CPU: 1 PID: 6518 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 64.158944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.168280] Call Trace: [ 64.170884] dump_stack+0x1b2/0x283 [ 64.174511] should_fail.cold+0x10a/0x154 [ 64.178649] should_failslab+0xd6/0x130 [ 64.182597] kmem_cache_alloc+0x28e/0x3c0 [ 64.186720] alloc_buffer_head+0x20/0xd0 [ 64.190752] alloc_page_buffers+0xb3/0x1f0 [ 64.194962] __getblk_gfp+0x32c/0x7b0 [ 64.198736] ? filemap_write_and_wait+0x7e/0xa0 [ 64.203379] ? vfat_cmpi+0x3a0/0x3a0 [ 64.207061] ? vfat_cmpi+0x3a0/0x3a0 [ 64.210745] __bread_gfp+0x29/0x1f0 [ 64.214344] fat_fill_super+0x2ef/0x3000 [ 64.218379] ? pointer+0xa00/0xa00 [ 64.221892] ? fat_flush_inodes+0x170/0x170 [ 64.226185] ? lock_downgrade+0x6e0/0x6e0 [ 64.230304] ? snprintf+0xa5/0xd0 [ 64.233727] ? vsprintf+0x30/0x30 [ 64.237154] ? ns_test_super+0x50/0x50 [ 64.241012] ? set_blocksize+0x24b/0x2e0 [ 64.245049] mount_bdev+0x2b3/0x360 [ 64.248648] ? vfat_mount+0x40/0x40 [ 64.252247] mount_fs+0x92/0x2a0 [ 64.255586] vfs_kern_mount.part.0+0x5b/0x3c0 [ 64.260056] do_mount+0x3c9/0x25e0 [ 64.263571] ? copy_mount_string+0x40/0x40 [ 64.267777] ? copy_mount_options+0x18f/0x2e0 [ 64.272252] ? copy_mount_options+0x1ec/0x2e0 [ 64.276719] ? copy_mnt_ns+0x8a0/0x8a0 [ 64.280578] SyS_mount+0xa8/0x120 [ 64.284003] ? copy_mnt_ns+0x8a0/0x8a0 [ 64.287865] do_syscall_64+0x1d5/0x640 [ 64.291725] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 64.296897] RIP: 0033:0x44916a [ 64.300058] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 64.307737] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 64.314984] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 64.322369] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 executing program [ 64.329615] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000006 [ 64.336867] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 64.355962] FAULT_INJECTION: forcing a failure. [ 64.355962] name failslab, interval 1, probability 0, space 0, times 0 [ 64.368258] CPU: 1 PID: 6523 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 64.376153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.385499] Call Trace: [ 64.388081] dump_stack+0x1b2/0x283 [ 64.391708] should_fail.cold+0x10a/0x154 [ 64.395854] should_failslab+0xd6/0x130 [ 64.399825] kmem_cache_alloc+0x28e/0x3c0 [ 64.403969] alloc_buffer_head+0x20/0xd0 [ 64.408025] alloc_page_buffers+0xb3/0x1f0 [ 64.412261] __getblk_gfp+0x32c/0x7b0 [ 64.416070] ? filemap_write_and_wait+0x7e/0xa0 [ 64.420733] ? vfat_cmpi+0x3a0/0x3a0 [ 64.424436] ? vfat_cmpi+0x3a0/0x3a0 [ 64.428147] __bread_gfp+0x29/0x1f0 [ 64.431768] fat_fill_super+0x2ef/0x3000 [ 64.435822] ? pointer+0xa00/0xa00 [ 64.439336] ? fat_flush_inodes+0x170/0x170 [ 64.443631] ? lock_downgrade+0x6e0/0x6e0 [ 64.447749] ? snprintf+0xa5/0xd0 [ 64.451172] ? vsprintf+0x30/0x30 [ 64.454598] ? ns_test_super+0x50/0x50 [ 64.458458] ? set_blocksize+0x24b/0x2e0 [ 64.462506] mount_bdev+0x2b3/0x360 [ 64.466113] ? vfat_mount+0x40/0x40 [ 64.469743] mount_fs+0x92/0x2a0 [ 64.473093] vfs_kern_mount.part.0+0x5b/0x3c0 [ 64.477564] do_mount+0x3c9/0x25e0 [ 64.481117] ? copy_mount_string+0x40/0x40 [ 64.485420] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 64.490238] ? copy_mnt_ns+0x8a0/0x8a0 [ 64.494099] ? copy_mount_options+0x1ec/0x2e0 [ 64.498567] ? copy_mnt_ns+0x8a0/0x8a0 [ 64.502426] SyS_mount+0xa8/0x120 [ 64.505855] ? copy_mnt_ns+0x8a0/0x8a0 [ 64.509715] do_syscall_64+0x1d5/0x640 [ 64.513592] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 64.518756] RIP: 0033:0x44916a [ 64.521919] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 executing program [ 64.529601] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 64.536854] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 64.544099] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 64.551341] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000010 [ 64.558582] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 64.577796] FAULT_INJECTION: forcing a failure. [ 64.577796] name failslab, interval 1, probability 0, space 0, times 0 [ 64.589245] CPU: 1 PID: 6531 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 64.597122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.606469] Call Trace: [ 64.609066] dump_stack+0x1b2/0x283 [ 64.612691] should_fail.cold+0x10a/0x154 [ 64.616845] should_failslab+0xd6/0x130 [ 64.620809] kmem_cache_alloc+0x28e/0x3c0 [ 64.624934] alloc_buffer_head+0x20/0xd0 [ 64.628970] alloc_page_buffers+0xb3/0x1f0 [ 64.633179] __getblk_gfp+0x32c/0x7b0 [ 64.636958] ? filemap_write_and_wait+0x7e/0xa0 [ 64.641599] ? vfat_cmpi+0x3a0/0x3a0 [ 64.645283] ? vfat_cmpi+0x3a0/0x3a0 [ 64.648968] __bread_gfp+0x29/0x1f0 [ 64.652567] fat_fill_super+0x2ef/0x3000 [ 64.656608] ? pointer+0xa00/0xa00 [ 64.660118] ? fat_flush_inodes+0x170/0x170 [ 64.664410] ? lock_downgrade+0x6e0/0x6e0 [ 64.668527] ? snprintf+0xa5/0xd0 [ 64.671959] ? vsprintf+0x30/0x30 [ 64.675388] ? ns_test_super+0x50/0x50 [ 64.679251] ? set_blocksize+0x24b/0x2e0 [ 64.683316] mount_bdev+0x2b3/0x360 [ 64.686918] ? vfat_mount+0x40/0x40 [ 64.690528] mount_fs+0x92/0x2a0 [ 64.693880] vfs_kern_mount.part.0+0x5b/0x3c0 [ 64.698350] do_mount+0x3c9/0x25e0 [ 64.701914] ? copy_mount_string+0x40/0x40 [ 64.706122] ? copy_mount_options+0x16b/0x2e0 [ 64.710592] ? copy_mount_options+0x1ec/0x2e0 [ 64.715069] ? copy_mnt_ns+0x8a0/0x8a0 [ 64.718930] SyS_mount+0xa8/0x120 [ 64.722354] ? copy_mnt_ns+0x8a0/0x8a0 [ 64.726216] do_syscall_64+0x1d5/0x640 executing program [ 64.730080] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 64.735243] RIP: 0033:0x44916a [ 64.738404] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 64.746633] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 64.753878] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 64.761121] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 64.768364] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000007 [ 64.775612] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 64.799699] FAULT_INJECTION: forcing a failure. [ 64.799699] name failslab, interval 1, probability 0, space 0, times 0 [ 64.815087] CPU: 1 PID: 6536 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 64.822973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.832317] Call Trace: [ 64.834901] dump_stack+0x1b2/0x283 [ 64.838529] should_fail.cold+0x10a/0x154 [ 64.842678] should_failslab+0xd6/0x130 [ 64.846647] kmem_cache_alloc+0x28e/0x3c0 [ 64.850789] alloc_buffer_head+0x20/0xd0 [ 64.854847] alloc_page_buffers+0xb3/0x1f0 [ 64.859079] __getblk_gfp+0x32c/0x7b0 [ 64.862880] ? filemap_write_and_wait+0x7e/0xa0 [ 64.867540] ? vfat_cmpi+0x3a0/0x3a0 [ 64.870180] FAULT_INJECTION: forcing a failure. [ 64.870180] name failslab, interval 1, probability 0, space 0, times 0 [ 64.871244] ? vfat_cmpi+0x3a0/0x3a0 [ 64.886190] __bread_gfp+0x29/0x1f0 [ 64.889796] fat_fill_super+0x2ef/0x3000 [ 64.893852] ? pointer+0xa00/0xa00 [ 64.897377] ? fat_flush_inodes+0x170/0x170 [ 64.901673] ? lock_downgrade+0x6e0/0x6e0 [ 64.905799] ? snprintf+0xa5/0xd0 [ 64.909226] ? vsprintf+0x30/0x30 [ 64.912657] ? ns_test_super+0x50/0x50 [ 64.916519] ? set_blocksize+0x24b/0x2e0 [ 64.920559] mount_bdev+0x2b3/0x360 [ 64.924175] ? vfat_mount+0x40/0x40 [ 64.927777] mount_fs+0x92/0x2a0 [ 64.931120] vfs_kern_mount.part.0+0x5b/0x3c0 [ 64.935592] do_mount+0x3c9/0x25e0 [ 64.939118] ? copy_mount_string+0x40/0x40 [ 64.943342] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 64.948158] ? copy_mnt_ns+0x8a0/0x8a0 [ 64.952021] ? copy_mount_options+0x1ec/0x2e0 [ 64.956491] ? copy_mnt_ns+0x8a0/0x8a0 [ 64.960355] SyS_mount+0xa8/0x120 [ 64.963870] ? copy_mnt_ns+0x8a0/0x8a0 [ 64.967747] do_syscall_64+0x1d5/0x640 [ 64.971613] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 64.976778] RIP: 0033:0x44916a [ 64.979941] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 64.987635] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a executing program [ 64.994879] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 65.002123] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 65.009367] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000011 [ 65.016610] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 65.023867] CPU: 0 PID: 6542 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 65.031749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.041095] Call Trace: [ 65.043680] dump_stack+0x1b2/0x283 [ 65.047308] should_fail.cold+0x10a/0x154 [ 65.051454] should_failslab+0xd6/0x130 [ 65.055423] kmem_cache_alloc+0x28e/0x3c0 [ 65.059566] alloc_buffer_head+0x20/0xd0 [ 65.063606] alloc_page_buffers+0xb3/0x1f0 [ 65.067818] __getblk_gfp+0x32c/0x7b0 [ 65.071603] ? filemap_write_and_wait+0x7e/0xa0 [ 65.076288] ? vfat_cmpi+0x3a0/0x3a0 [ 65.079974] ? vfat_cmpi+0x3a0/0x3a0 [ 65.083663] __bread_gfp+0x29/0x1f0 [ 65.087266] fat_fill_super+0x2ef/0x3000 [ 65.091308] ? pointer+0xa00/0xa00 [ 65.094823] ? fat_flush_inodes+0x170/0x170 [ 65.099258] ? lock_downgrade+0x6e0/0x6e0 [ 65.103505] ? snprintf+0xa5/0xd0 [ 65.106932] ? vsprintf+0x30/0x30 [ 65.110462] ? ns_test_super+0x50/0x50 [ 65.114323] ? set_blocksize+0x24b/0x2e0 [ 65.118392] mount_bdev+0x2b3/0x360 [ 65.121995] ? vfat_mount+0x40/0x40 [ 65.125597] mount_fs+0x92/0x2a0 [ 65.128938] vfs_kern_mount.part.0+0x5b/0x3c0 [ 65.133409] do_mount+0x3c9/0x25e0 [ 65.136924] ? copy_mount_string+0x40/0x40 [ 65.141289] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 65.146107] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.149969] ? copy_mount_options+0x1ec/0x2e0 [ 65.154438] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.158298] SyS_mount+0xa8/0x120 [ 65.161728] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.165596] do_syscall_64+0x1d5/0x640 [ 65.169460] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 65.174623] RIP: 0033:0x44916a [ 65.177787] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 65.185469] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 65.192714] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 executing program [ 65.199957] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 65.207203] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000008 [ 65.214454] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 65.239422] FAULT_INJECTION: forcing a failure. [ 65.239422] name failslab, interval 1, probability 0, space 0, times 0 [ 65.254872] CPU: 0 PID: 6549 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 65.262759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.272103] Call Trace: [ 65.274685] dump_stack+0x1b2/0x283 [ 65.278314] should_fail.cold+0x10a/0x154 [ 65.282460] should_failslab+0xd6/0x130 [ 65.286427] kmem_cache_alloc+0x28e/0x3c0 [ 65.289239] FAULT_INJECTION: forcing a failure. [ 65.289239] name failslab, interval 1, probability 0, space 0, times 0 [ 65.290667] alloc_buffer_head+0x20/0xd0 [ 65.305967] alloc_page_buffers+0xb3/0x1f0 [ 65.310198] __getblk_gfp+0x32c/0x7b0 [ 65.314000] ? filemap_write_and_wait+0x7e/0xa0 [ 65.318664] ? vfat_cmpi+0x3a0/0x3a0 [ 65.322372] ? vfat_cmpi+0x3a0/0x3a0 [ 65.326082] __bread_gfp+0x29/0x1f0 [ 65.329716] fat_fill_super+0x2ef/0x3000 [ 65.333771] ? pointer+0xa00/0xa00 [ 65.337287] ? fat_flush_inodes+0x170/0x170 [ 65.341582] ? lock_downgrade+0x6e0/0x6e0 [ 65.345720] ? snprintf+0xa5/0xd0 [ 65.349159] ? vsprintf+0x30/0x30 [ 65.352705] ? ns_test_super+0x50/0x50 [ 65.356567] ? set_blocksize+0x24b/0x2e0 [ 65.360604] mount_bdev+0x2b3/0x360 [ 65.364206] ? vfat_mount+0x40/0x40 [ 65.367809] mount_fs+0x92/0x2a0 [ 65.371153] vfs_kern_mount.part.0+0x5b/0x3c0 [ 65.375653] do_mount+0x3c9/0x25e0 [ 65.379171] ? copy_mount_string+0x40/0x40 [ 65.383381] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 65.388196] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.392066] ? copy_mount_options+0x1ec/0x2e0 [ 65.396535] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.400398] SyS_mount+0xa8/0x120 [ 65.403825] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.407692] do_syscall_64+0x1d5/0x640 [ 65.411561] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 65.416727] RIP: 0033:0x44916a [ 65.419891] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 65.427574] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 65.434849] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 65.442094] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 executing program [ 65.449350] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000012 [ 65.456596] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 65.464038] CPU: 1 PID: 6555 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 65.471916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.481257] Call Trace: [ 65.483826] dump_stack+0x1b2/0x283 [ 65.487481] should_fail.cold+0x10a/0x154 [ 65.491607] should_failslab+0xd6/0x130 [ 65.495556] kmem_cache_alloc+0x28e/0x3c0 [ 65.499682] alloc_buffer_head+0x20/0xd0 [ 65.503715] alloc_page_buffers+0xb3/0x1f0 [ 65.507926] __getblk_gfp+0x32c/0x7b0 [ 65.511710] ? filemap_write_and_wait+0x7e/0xa0 [ 65.516358] ? vfat_cmpi+0x3a0/0x3a0 [ 65.520084] ? vfat_cmpi+0x3a0/0x3a0 [ 65.523771] __bread_gfp+0x29/0x1f0 [ 65.527372] fat_fill_super+0x2ef/0x3000 [ 65.531444] ? pointer+0xa00/0xa00 [ 65.534957] ? fat_flush_inodes+0x170/0x170 [ 65.539252] ? lock_downgrade+0x6e0/0x6e0 [ 65.543372] ? snprintf+0xa5/0xd0 [ 65.546796] ? vsprintf+0x30/0x30 [ 65.550220] ? ns_test_super+0x50/0x50 [ 65.554168] ? set_blocksize+0x24b/0x2e0 [ 65.558212] mount_bdev+0x2b3/0x360 [ 65.561817] ? vfat_mount+0x40/0x40 [ 65.565430] mount_fs+0x92/0x2a0 [ 65.568782] vfs_kern_mount.part.0+0x5b/0x3c0 [ 65.573260] do_mount+0x3c9/0x25e0 [ 65.576778] ? copy_mount_string+0x40/0x40 [ 65.580992] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 65.585849] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.589713] ? copy_mount_options+0x1ec/0x2e0 [ 65.594315] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.598183] SyS_mount+0xa8/0x120 [ 65.601613] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.605516] do_syscall_64+0x1d5/0x640 [ 65.609382] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 65.614551] RIP: 0033:0x44916a [ 65.617714] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 65.625435] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 65.632679] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 65.639923] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 65.647225] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000009 [ 65.654473] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 executing program executing program [ 65.714008] FAULT_INJECTION: forcing a failure. [ 65.714008] name failslab, interval 1, probability 0, space 0, times 0 [ 65.729352] FAULT_INJECTION: forcing a failure. [ 65.729352] name failslab, interval 1, probability 0, space 0, times 0 [ 65.730690] CPU: 0 PID: 6565 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 65.748414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.757759] Call Trace: [ 65.760329] dump_stack+0x1b2/0x283 [ 65.763942] should_fail.cold+0x10a/0x154 [ 65.768071] should_failslab+0xd6/0x130 [ 65.772023] kmem_cache_alloc_trace+0x2b7/0x3f0 [ 65.776668] ? reacquire_held_locks+0xb5/0x3f0 [ 65.781311] ? vfat_cmpi+0x3a0/0x3a0 [ 65.785000] fat_fill_super+0xb2/0x3000 [ 65.788952] ? pointer+0xa00/0xa00 [ 65.792467] ? fat_flush_inodes+0x170/0x170 [ 65.796765] ? lock_downgrade+0x6e0/0x6e0 [ 65.800889] ? snprintf+0xa5/0xd0 [ 65.804315] ? vsprintf+0x30/0x30 [ 65.807744] ? ns_test_super+0x50/0x50 [ 65.811607] ? set_blocksize+0x24b/0x2e0 [ 65.815646] mount_bdev+0x2b3/0x360 [ 65.819252] ? vfat_mount+0x40/0x40 [ 65.822866] mount_fs+0x92/0x2a0 [ 65.826226] vfs_kern_mount.part.0+0x5b/0x3c0 [ 65.830721] do_mount+0x3c9/0x25e0 [ 65.834264] ? copy_mount_string+0x40/0x40 [ 65.838493] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 65.843330] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.847204] ? copy_mount_options+0x1ec/0x2e0 [ 65.851683] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.855546] SyS_mount+0xa8/0x120 [ 65.858973] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.862848] do_syscall_64+0x1d5/0x640 [ 65.866734] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 65.871916] RIP: 0033:0x44916a [ 65.875095] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 65.882822] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 65.890068] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 65.897311] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 65.904556] R10: 000000000200c010 R11: 0000000000000293 R12: 000000000000000a [ 65.911816] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 65.919074] CPU: 1 PID: 6563 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 65.926953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.936291] Call Trace: [ 65.938855] dump_stack+0x1b2/0x283 [ 65.942459] should_fail.cold+0x10a/0x154 [ 65.946591] should_failslab+0xd6/0x130 [ 65.950546] kmem_cache_alloc+0x28e/0x3c0 [ 65.954691] alloc_buffer_head+0x20/0xd0 [ 65.958724] alloc_page_buffers+0xb3/0x1f0 [ 65.962938] __getblk_gfp+0x32c/0x7b0 [ 65.966715] ? filemap_write_and_wait+0x7e/0xa0 [ 65.971362] ? vfat_cmpi+0x3a0/0x3a0 [ 65.975049] ? vfat_cmpi+0x3a0/0x3a0 [ 65.978757] __bread_gfp+0x29/0x1f0 [ 65.982357] fat_fill_super+0x2ef/0x3000 [ 65.986392] ? pointer+0xa00/0xa00 [ 65.989905] ? fat_flush_inodes+0x170/0x170 [ 65.994198] ? lock_downgrade+0x6e0/0x6e0 [ 65.998319] ? snprintf+0xa5/0xd0 [ 66.001749] ? vsprintf+0x30/0x30 [ 66.005178] ? ns_test_super+0x50/0x50 [ 66.009059] ? set_blocksize+0x24b/0x2e0 [ 66.013104] mount_bdev+0x2b3/0x360 [ 66.016704] ? vfat_mount+0x40/0x40 [ 66.020310] mount_fs+0x92/0x2a0 [ 66.023652] vfs_kern_mount.part.0+0x5b/0x3c0 [ 66.028121] do_mount+0x3c9/0x25e0 [ 66.031651] ? copy_mount_string+0x40/0x40 [ 66.035863] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 66.040676] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.044536] ? copy_mount_options+0x1ec/0x2e0 [ 66.049003] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.052865] SyS_mount+0xa8/0x120 [ 66.056294] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.060158] do_syscall_64+0x1d5/0x640 [ 66.064023] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 66.069201] RIP: 0033:0x44916a [ 66.072363] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 66.080042] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 66.087287] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 66.094535] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 66.101786] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000013 executing program [ 66.109029] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 executing program [ 66.146924] FAULT_INJECTION: forcing a failure. [ 66.146924] name failslab, interval 1, probability 0, space 0, times 0 [ 66.154272] FAULT_INJECTION: forcing a failure. [ 66.154272] name failslab, interval 1, probability 0, space 0, times 0 [ 66.158795] CPU: 1 PID: 6575 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 66.177169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.186514] Call Trace: [ 66.189098] dump_stack+0x1b2/0x283 [ 66.192730] should_fail.cold+0x10a/0x154 [ 66.196883] should_failslab+0xd6/0x130 [ 66.200941] kmem_cache_alloc+0x28e/0x3c0 [ 66.205086] alloc_buffer_head+0x20/0xd0 [ 66.209143] alloc_page_buffers+0xb3/0x1f0 [ 66.213373] __getblk_gfp+0x32c/0x7b0 [ 66.217169] ? filemap_write_and_wait+0x7e/0xa0 [ 66.221830] ? vfat_cmpi+0x3a0/0x3a0 [ 66.225528] ? vfat_cmpi+0x3a0/0x3a0 [ 66.229235] __bread_gfp+0x29/0x1f0 [ 66.232855] fat_fill_super+0x2ef/0x3000 [ 66.236915] ? pointer+0xa00/0xa00 [ 66.240535] ? fat_flush_inodes+0x170/0x170 [ 66.244849] ? lock_downgrade+0x6e0/0x6e0 [ 66.248990] ? snprintf+0xa5/0xd0 [ 66.252435] ? vsprintf+0x30/0x30 [ 66.255880] ? ns_test_super+0x50/0x50 [ 66.259768] ? set_blocksize+0x24b/0x2e0 [ 66.263822] mount_bdev+0x2b3/0x360 [ 66.267440] ? vfat_mount+0x40/0x40 [ 66.271060] mount_fs+0x92/0x2a0 [ 66.274425] vfs_kern_mount.part.0+0x5b/0x3c0 [ 66.278920] do_mount+0x3c9/0x25e0 [ 66.282450] ? copy_mount_string+0x40/0x40 [ 66.286674] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 66.291513] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.295395] ? copy_mount_options+0x1ec/0x2e0 [ 66.299881] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.300622] FAULT_INJECTION: forcing a failure. [ 66.300622] name failslab, interval 1, probability 0, space 0, times 0 [ 66.303758] SyS_mount+0xa8/0x120 [ 66.303766] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.303777] do_syscall_64+0x1d5/0x640 [ 66.303791] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 66.303798] RIP: 0033:0x44916a [ 66.303802] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 executing program [ 66.303816] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 66.303821] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 66.356714] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 66.363960] R10: 000000000200c010 R11: 0000000000000293 R12: 000000000000000b [ 66.371205] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 66.378464] CPU: 0 PID: 6605 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 66.386339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.395686] Call Trace: [ 66.398268] dump_stack+0x1b2/0x283 [ 66.401897] should_fail.cold+0x10a/0x154 [ 66.406046] should_failslab+0xd6/0x130 [ 66.410013] __kmalloc+0x2c1/0x400 [ 66.413544] ? __list_lru_init+0x67/0x650 [ 66.417680] __list_lru_init+0x67/0x650 [ 66.421636] sget_userns+0x504/0xc30 [ 66.425323] ? set_bdev_super+0x110/0x110 [ 66.429446] ? ns_test_super+0x50/0x50 [ 66.433309] ? set_bdev_super+0x110/0x110 [ 66.437431] ? ns_test_super+0x50/0x50 [ 66.441293] sget+0xd1/0x110 [ 66.444292] mount_bdev+0xcd/0x360 [ 66.447823] ? vfat_mount+0x40/0x40 [ 66.451434] mount_fs+0x92/0x2a0 [ 66.454780] vfs_kern_mount.part.0+0x5b/0x3c0 [ 66.459252] do_mount+0x3c9/0x25e0 [ 66.462768] ? copy_mount_string+0x40/0x40 [ 66.466978] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 66.471811] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.475680] ? copy_mount_options+0x1ec/0x2e0 [ 66.480151] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.484014] SyS_mount+0xa8/0x120 [ 66.487442] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.491306] do_syscall_64+0x1d5/0x640 [ 66.495175] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 66.500345] RIP: 0033:0x44916a [ 66.503510] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 66.511193] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 66.518439] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 66.525693] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 66.532938] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000000 [ 66.540191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 66.547453] CPU: 1 PID: 6577 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 66.555332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.564680] Call Trace: [ 66.567249] dump_stack+0x1b2/0x283 [ 66.570864] should_fail.cold+0x10a/0x154 [ 66.575003] should_failslab+0xd6/0x130 [ 66.578957] kmem_cache_alloc_trace+0x2b7/0x3f0 [ 66.583610] ? reacquire_held_locks+0xb5/0x3f0 [ 66.588176] ? vfat_cmpi+0x3a0/0x3a0 [ 66.591872] fat_fill_super+0xb2/0x3000 [ 66.595832] ? pointer+0xa00/0xa00 [ 66.599354] ? fat_flush_inodes+0x170/0x170 [ 66.603649] ? lock_downgrade+0x6e0/0x6e0 [ 66.607773] ? snprintf+0xa5/0xd0 [ 66.611204] ? vsprintf+0x30/0x30 [ 66.614640] ? ns_test_super+0x50/0x50 [ 66.618500] ? set_blocksize+0x24b/0x2e0 [ 66.622540] mount_bdev+0x2b3/0x360 [ 66.626155] ? vfat_mount+0x40/0x40 [ 66.629757] mount_fs+0x92/0x2a0 [ 66.633104] vfs_kern_mount.part.0+0x5b/0x3c0 [ 66.637583] do_mount+0x3c9/0x25e0 [ 66.641104] ? copy_mount_string+0x40/0x40 [ 66.645314] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 66.650135] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.654009] ? copy_mount_options+0x1ec/0x2e0 [ 66.658485] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.662360] SyS_mount+0xa8/0x120 [ 66.665785] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.669648] do_syscall_64+0x1d5/0x640 [ 66.673511] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 66.678685] RIP: 0033:0x44916a [ 66.681856] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 66.689536] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a executing program [ 66.696784] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 66.704034] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 66.711290] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000014 [ 66.718532] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 executing program [ 66.752752] FAULT_INJECTION: forcing a failure. [ 66.752752] name failslab, interval 1, probability 0, space 0, times 0 [ 66.765042] FAULT_INJECTION: forcing a failure. [ 66.765042] name failslab, interval 1, probability 0, space 0, times 0 [ 66.777245] CPU: 0 PID: 6614 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 66.785130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.794476] Call Trace: [ 66.797049] dump_stack+0x1b2/0x283 [ 66.800660] should_fail.cold+0x10a/0x154 [ 66.804803] should_failslab+0xd6/0x130 [ 66.808778] kmem_cache_alloc+0x28e/0x3c0 [ 66.812943] alloc_buffer_head+0x20/0xd0 [ 66.816993] alloc_page_buffers+0xb3/0x1f0 [ 66.821208] __getblk_gfp+0x32c/0x7b0 [ 66.824992] ? filemap_write_and_wait+0x7e/0xa0 [ 66.829637] ? vfat_cmpi+0x3a0/0x3a0 [ 66.833326] ? vfat_cmpi+0x3a0/0x3a0 [ 66.837102] __bread_gfp+0x29/0x1f0 [ 66.840704] fat_fill_super+0x2ef/0x3000 [ 66.844763] ? pointer+0xa00/0xa00 [ 66.848281] ? fat_flush_inodes+0x170/0x170 [ 66.852577] ? lock_downgrade+0x6e0/0x6e0 [ 66.856702] ? snprintf+0xa5/0xd0 [ 66.860149] ? vsprintf+0x30/0x30 [ 66.863583] ? ns_test_super+0x50/0x50 [ 66.867448] ? set_blocksize+0x24b/0x2e0 [ 66.871485] mount_bdev+0x2b3/0x360 [ 66.875089] ? vfat_mount+0x40/0x40 [ 66.878692] mount_fs+0x92/0x2a0 [ 66.882035] vfs_kern_mount.part.0+0x5b/0x3c0 [ 66.886511] do_mount+0x3c9/0x25e0 [ 66.890116] ? copy_mount_string+0x40/0x40 [ 66.894340] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 66.899155] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.903022] ? copy_mount_options+0x1ec/0x2e0 [ 66.907490] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.911359] SyS_mount+0xa8/0x120 [ 66.914788] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.918657] do_syscall_64+0x1d5/0x640 [ 66.922549] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 66.927741] RIP: 0033:0x44916a [ 66.930919] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 66.938612] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 66.945866] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 66.953122] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 66.960387] R10: 000000000200c010 R11: 0000000000000293 R12: 000000000000000c [ 66.967631] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 66.974888] CPU: 1 PID: 6612 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 66.982770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.992115] Call Trace: [ 66.994697] dump_stack+0x1b2/0x283 [ 66.998327] should_fail.cold+0x10a/0x154 executing program [ 67.002474] should_failslab+0xd6/0x130 [ 67.006443] kmem_cache_alloc+0x28e/0x3c0 [ 67.010587] alloc_buffer_head+0x20/0xd0 [ 67.014113] FAULT_INJECTION: forcing a failure. [ 67.014113] name failslab, interval 1, probability 0, space 0, times 0 [ 67.014638] alloc_page_buffers+0xb3/0x1f0 [ 67.014651] __getblk_gfp+0x32c/0x7b0 [ 67.014664] ? filemap_write_and_wait+0x7e/0xa0 [ 67.014672] ? vfat_cmpi+0x3a0/0x3a0 [ 67.014682] ? vfat_cmpi+0x3a0/0x3a0 [ 67.045914] __bread_gfp+0x29/0x1f0 [ 67.049519] fat_fill_super+0x2ef/0x3000 [ 67.053566] ? pointer+0xa00/0xa00 [ 67.057082] ? fat_flush_inodes+0x170/0x170 [ 67.061384] ? lock_downgrade+0x6e0/0x6e0 [ 67.065515] ? snprintf+0xa5/0xd0 [ 67.068946] ? vsprintf+0x30/0x30 [ 67.072376] ? ns_test_super+0x50/0x50 [ 67.076240] ? set_blocksize+0x24b/0x2e0 [ 67.080298] mount_bdev+0x2b3/0x360 [ 67.083900] ? vfat_mount+0x40/0x40 [ 67.087504] mount_fs+0x92/0x2a0 [ 67.090853] vfs_kern_mount.part.0+0x5b/0x3c0 [ 67.095333] do_mount+0x3c9/0x25e0 [ 67.098855] ? copy_mount_string+0x40/0x40 [ 67.103066] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 67.107882] ? copy_mnt_ns+0x8a0/0x8a0 [ 67.111743] ? copy_mount_options+0x1ec/0x2e0 [ 67.116215] ? copy_mnt_ns+0x8a0/0x8a0 [ 67.120079] SyS_mount+0xa8/0x120 [ 67.123511] ? copy_mnt_ns+0x8a0/0x8a0 [ 67.127379] do_syscall_64+0x1d5/0x640 [ 67.131244] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 67.136413] RIP: 0033:0x44916a [ 67.139577] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 67.147260] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 67.154504] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 67.161843] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 67.169094] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000001 [ 67.176337] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 67.183596] CPU: 0 PID: 6623 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 67.191477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.200829] Call Trace: [ 67.203413] dump_stack+0x1b2/0x283 [ 67.207039] should_fail.cold+0x10a/0x154 [ 67.211187] should_failslab+0xd6/0x130 [ 67.215146] __kmalloc+0x2c1/0x400 [ 67.218794] ? register_shrinker+0x1ab/0x220 [ 67.223175] register_shrinker+0x1ab/0x220 [ 67.227383] sget_userns+0x9c5/0xc30 [ 67.231136] ? set_bdev_super+0x110/0x110 [ 67.235257] ? ns_test_super+0x50/0x50 [ 67.239116] ? set_bdev_super+0x110/0x110 [ 67.243255] ? ns_test_super+0x50/0x50 [ 67.247113] sget+0xd1/0x110 [ 67.250106] mount_bdev+0xcd/0x360 [ 67.253618] ? vfat_mount+0x40/0x40 [ 67.257216] mount_fs+0x92/0x2a0 [ 67.260554] vfs_kern_mount.part.0+0x5b/0x3c0 [ 67.265025] do_mount+0x3c9/0x25e0 [ 67.268540] ? copy_mount_string+0x40/0x40 [ 67.272746] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 67.277560] ? copy_mnt_ns+0x8a0/0x8a0 [ 67.281419] ? copy_mount_options+0x1ec/0x2e0 [ 67.285887] ? copy_mnt_ns+0x8a0/0x8a0 [ 67.289773] SyS_mount+0xa8/0x120 [ 67.293198] ? copy_mnt_ns+0x8a0/0x8a0 [ 67.297057] do_syscall_64+0x1d5/0x640 [ 67.300933] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 67.306093] RIP: 0033:0x44916a [ 67.309289] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 67.316985] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 67.324228] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 67.331469] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 67.338712] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000015 [ 67.345955] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 67.357129] ------------[ cut here ]------------ [ 67.362032] WARNING: CPU: 0 PID: 6623 at fs/super.c:1163 kill_block_super+0xbe/0xe0 [ 67.369810] Kernel panic - not syncing: panic_on_warn set ... [ 67.369810] [ 67.377144] CPU: 0 PID: 6623 Comm: syz-executor632 Not tainted 4.14.184-syzkaller #0 [ 67.385047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.394375] Call Trace: [ 67.396941] dump_stack+0x1b2/0x283 [ 67.400546] panic+0x1f9/0x42d [ 67.403718] ? add_taint.cold+0x16/0x16 [ 67.407668] ? kill_block_super+0xbe/0xe0 [ 67.411790] ? kill_block_super+0xbe/0xe0 [ 67.415947] __warn.cold+0x2f/0x30 [ 67.419465] ? ist_end_non_atomic+0x10/0x10 [ 67.423799] ? kill_block_super+0xbe/0xe0 [ 67.427921] report_bug+0x20a/0x248 [ 67.431534] do_error_trap+0x195/0x2d0 [ 67.435401] ? math_error+0x2d0/0x2d0 [ 67.439175] ? retint_kernel+0x2d/0x2d [ 67.443128] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 67.447945] invalid_op+0x1b/0x40 [ 67.451388] RIP: 0010:kill_block_super+0xbe/0xe0 [ 67.456120] RSP: 0018:ffff888089f9fc08 EFLAGS: 00010297 [ 67.461465] RAX: ffff8880a9b7a380 RBX: 0000000000000000 RCX: 1ffff1101536f57f [ 67.472186] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff888084eb9ba8 [ 67.479429] RBP: ffff8880a6482580 R08: 0000000000000001 R09: 0000000000000001 [ 67.486671] R10: ffff8880a9b7ac58 R11: ffff8880a9b7a380 R12: ffff888084eb9800 [ 67.493921] R13: ffff8880a64826c0 R14: dffffc0000000000 R15: ffffffff87b534c0 [ 67.501196] ? kill_block_super+0xbe/0xe0 [ 67.505327] deactivate_locked_super+0x6c/0xd0 [ 67.509894] sget_userns+0x9df/0xc30 [ 67.513581] ? set_bdev_super+0x110/0x110 [ 67.517711] ? ns_test_super+0x50/0x50 [ 67.521573] ? set_bdev_super+0x110/0x110 [ 67.525692] ? ns_test_super+0x50/0x50 [ 67.529560] sget+0xd1/0x110 [ 67.532560] mount_bdev+0xcd/0x360 [ 67.536074] ? vfat_mount+0x40/0x40 [ 67.539677] mount_fs+0x92/0x2a0 [ 67.543126] vfs_kern_mount.part.0+0x5b/0x3c0 [ 67.547604] do_mount+0x3c9/0x25e0 [ 67.551123] ? copy_mount_string+0x40/0x40 [ 67.555343] ? kmem_cache_alloc_trace+0x389/0x3f0 [ 67.560160] ? copy_mnt_ns+0x8a0/0x8a0 [ 67.564026] ? copy_mount_options+0x1ec/0x2e0 [ 67.568507] ? copy_mnt_ns+0x8a0/0x8a0 [ 67.572375] SyS_mount+0xa8/0x120 [ 67.575803] ? copy_mnt_ns+0x8a0/0x8a0 [ 67.579729] do_syscall_64+0x1d5/0x640 [ 67.583594] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 67.588761] RIP: 0033:0x44916a [ 67.591925] RSP: 002b:00007ffdfa4c7b08 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 67.599605] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044916a [ 67.606888] RDX: 00007ffdfa4c7b50 RSI: 00000000200002c0 RDI: 00007ffdfa4c7b70 [ 67.614131] RBP: 0000000000000000 R08: 00007ffdfa4c7bb0 R09: 0000000000000000 [ 67.621376] R10: 000000000200c010 R11: 0000000000000293 R12: 0000000000000015 [ 67.628685] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 67.637303] Kernel Offset: disabled [ 67.640971] Rebooting in 86400 seconds..