[ 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 '10.128.0.121' (ECDSA) to the list of known hosts. syzkaller login: [ 31.247362] FAULT_INJECTION: forcing a failure. [ 31.247362] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 31.259401] CPU: 1 PID: 7988 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 31.267292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.276632] Call Trace: [ 31.279205] dump_stack+0x1b2/0x281 [ 31.282918] should_fail.cold+0x10a/0x149 [ 31.287046] __alloc_pages_nodemask+0x22c/0x2720 [ 31.291780] ? __lock_acquire+0x5fc/0x3f20 [ 31.295993] ? perf_event_namespaces+0x30/0x30 [ 31.300547] ? lock_downgrade+0x740/0x740 [ 31.304680] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 31.309503] ? vma_wants_writenotify+0x1ae/0x430 [ 31.314237] ? SyS_mmap_pgoff+0x510/0x510 [ 31.318360] ? vma_set_page_prot+0x121/0x180 [ 31.322745] ? userfaultfd_unmap_complete+0x225/0x320 [ 31.327919] ? mmap_region+0x22b/0x1220 [ 31.331882] ? userfaultfd_unmap_prep+0x450/0x450 [ 31.336727] cache_grow_begin+0x91/0x630 [ 31.340764] ? check_preemption_disabled+0x35/0x240 [ 31.345769] cache_alloc_refill+0x273/0x350 [ 31.350068] kmem_cache_alloc+0x333/0x3c0 [ 31.354209] getname_flags+0xc8/0x550 [ 31.357987] do_sys_open+0x1ce/0x410 [ 31.361763] ? filp_open+0x60/0x60 [ 31.365282] ? __do_page_fault+0x159/0xad0 [ 31.369508] ? do_syscall_64+0x4c/0x640 [ 31.373456] ? SyS_open+0x30/0x30 [ 31.376893] do_syscall_64+0x1d5/0x640 [ 31.380769] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.385933] RIP: 0033:0x403c97 [ 31.389098] RSP: 002b:00007ffc2d3eaca0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 31.396796] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 0000000000403c97 [ 31.404052] RDX: 0000000000080001 RSI: 0000000000484260 RDI: 00000000ffffff9c [ 31.411296] RBP: 0000000000484260 R08: 0000000000000000 R09: 00007ffc2d3eac90 [ 31.418540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080001 [ 31.425795] R13: 0000000000000000 R14: 00000000004b0018 R15: 0000000000400488 [ 31.454853] IPVS: ftp: loaded support on port[0] = 21 [ 31.488783] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 31.520970] IPVS: ftp: loaded support on port[0] = 21 [ 31.565473] FAULT_INJECTION: forcing a failure. [ 31.565473] name failslab, interval 1, probability 0, space 0, times 1 [ 31.566498] FAULT_INJECTION: forcing a failure. [ 31.566498] name failslab, interval 1, probability 0, space 0, times 1 [ 31.578852] CPU: 1 PID: 8055 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 31.597569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.606917] Call Trace: [ 31.609487] dump_stack+0x1b2/0x281 [ 31.613114] should_fail.cold+0x10a/0x149 [ 31.617244] should_failslab+0xd6/0x130 [ 31.621197] kmem_cache_alloc+0x28e/0x3c0 [ 31.625336] alloc_inode+0xa0/0x170 [ 31.628940] new_inode_pseudo+0x14/0xe0 [ 31.632892] create_pipe_files+0x84/0x880 [ 31.637030] ? pipe_release+0x300/0x300 [ 31.640993] ? vfs_write+0x319/0x4d0 [ 31.644685] ? do_pipe_flags+0x160/0x160 [ 31.648728] SyS_pipe2+0x76/0x160 [ 31.652160] ? do_pipe_flags+0x160/0x160 [ 31.656198] ? SyS_read+0x210/0x210 [ 31.659818] ? __do_page_fault+0x159/0xad0 [ 31.664050] ? do_syscall_64+0x4c/0x640 [ 31.668003] ? do_pipe_flags+0x160/0x160 [ 31.672054] do_syscall_64+0x1d5/0x640 [ 31.675925] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.681094] RIP: 0033:0x449679 [ 31.684261] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 31.691949] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 31.699196] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 31.706443] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 31.713688] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc2d3eb224 [ 31.720934] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 0000000000400488 [ 31.728201] CPU: 0 PID: 8058 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 31.735189] IPVS: ftp: loaded support on port[0] = 21 [ 31.736287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.750884] Call Trace: [ 31.753534] dump_stack+0x1b2/0x281 [ 31.757265] should_fail.cold+0x10a/0x149 [ 31.760931] FAULT_INJECTION: forcing a failure. [ 31.760931] name failslab, interval 1, probability 0, space 0, times 0 [ 31.761461] should_failslab+0xd6/0x130 [ 31.761491] kmem_cache_alloc+0x28e/0x3c0 [ 31.761527] alloc_inode+0xa0/0x170 [ 31.784446] new_inode_pseudo+0x14/0xe0 [ 31.788464] create_pipe_files+0x84/0x880 [ 31.792639] ? pipe_release+0x300/0x300 [ 31.796650] ? vfs_write+0x319/0x4d0 [ 31.800395] ? do_pipe_flags+0x160/0x160 [ 31.804483] SyS_pipe2+0x76/0x160 [ 31.807946] ? do_pipe_flags+0x160/0x160 [ 31.812016] ? SyS_read+0x210/0x210 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 31.815649] ? __do_page_fault+0x159/0xad0 [ 31.819896] ? do_syscall_64+0x4c/0x640 [ 31.823895] ? do_pipe_flags+0x160/0x160 [ 31.827965] do_syscall_64+0x1d5/0x640 [ 31.831883] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.837080] RIP: 0033:0x449679 [ 31.840277] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 31.848108] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 31.855406] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 31.862694] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 31.869980] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc2d3eb224 [ 31.877272] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 0000000000400488 [ 31.884622] CPU: 1 PID: 8067 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 31.892511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.901860] Call Trace: [ 31.904470] dump_stack+0x1b2/0x281 [ 31.908078] should_fail.cold+0x10a/0x149 [ 31.912207] should_failslab+0xd6/0x130 [ 31.916158] kmem_cache_alloc+0x28e/0x3c0 [ 31.920284] alloc_inode+0xa0/0x170 [ 31.923887] new_inode_pseudo+0x14/0xe0 [ 31.927839] create_pipe_files+0x84/0x880 [ 31.931966] ? pipe_release+0x300/0x300 [ 31.935935] ? vfs_write+0x319/0x4d0 [ 31.939635] ? do_pipe_flags+0x160/0x160 [ 31.943674] SyS_pipe2+0x76/0x160 [ 31.947119] ? do_pipe_flags+0x160/0x160 [ 31.951172] ? SyS_read+0x210/0x210 [ 31.954789] ? __do_page_fault+0x159/0xad0 [ 31.959173] ? do_syscall_64+0x4c/0x640 [ 31.963124] ? do_pipe_flags+0x160/0x160 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 31.967179] do_syscall_64+0x1d5/0x640 [ 31.971067] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.976241] RIP: 0033:0x449679 [ 31.979411] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 31.987093] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 31.994349] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 32.001594] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 32.008838] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000007b56 executing program [ 32.016082] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 32.038081] FAULT_INJECTION: forcing a failure. [ 32.038081] name failslab, interval 1, probability 0, space 0, times 0 [ 32.043166] FAULT_INJECTION: forcing a failure. [ 32.043166] name failslab, interval 1, probability 0, space 0, times 0 [ 32.051947] CPU: 1 PID: 8070 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 32.068444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.077781] Call Trace: [ 32.080352] dump_stack+0x1b2/0x281 [ 32.083960] should_fail.cold+0x10a/0x149 [ 32.088086] should_failslab+0xd6/0x130 [ 32.092042] kmem_cache_alloc+0x28e/0x3c0 [ 32.096168] alloc_inode+0xa0/0x170 [ 32.099773] new_inode_pseudo+0x14/0xe0 [ 32.103726] create_pipe_files+0x84/0x880 [ 32.107853] ? pipe_release+0x300/0x300 [ 32.111804] ? vfs_write+0x319/0x4d0 [ 32.115492] ? do_pipe_flags+0x160/0x160 [ 32.119532] SyS_pipe2+0x76/0x160 [ 32.122962] ? do_pipe_flags+0x160/0x160 [ 32.127088] ? SyS_read+0x210/0x210 [ 32.130722] ? __do_page_fault+0x159/0xad0 [ 32.134938] ? do_syscall_64+0x4c/0x640 [ 32.138904] ? do_pipe_flags+0x160/0x160 [ 32.142942] do_syscall_64+0x1d5/0x640 [ 32.146825] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 32.151993] RIP: 0033:0x449679 [ 32.155165] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 32.162863] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 32.170113] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 32.177449] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 32.184699] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000007c21 [ 32.191946] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 32.199210] CPU: 0 PID: 8068 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 32.205628] FAULT_INJECTION: forcing a failure. [ 32.205628] name failslab, interval 1, probability 0, space 0, times 0 [ 32.207118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.207131] Call Trace: [ 32.207161] dump_stack+0x1b2/0x281 [ 32.233940] should_fail.cold+0x10a/0x149 [ 32.238115] should_failslab+0xd6/0x130 [ 32.242110] kmem_cache_alloc+0x28e/0x3c0 [ 32.246281] alloc_inode+0xa0/0x170 [ 32.249919] new_inode_pseudo+0x14/0xe0 [ 32.253924] create_pipe_files+0x84/0x880 [ 32.258093] ? pipe_release+0x300/0x300 [ 32.262084] ? vfs_write+0x319/0x4d0 [ 32.265826] ? do_pipe_flags+0x160/0x160 [ 32.270204] SyS_pipe2+0x76/0x160 [ 32.273672] ? do_pipe_flags+0x160/0x160 [ 32.277742] ? SyS_read+0x210/0x210 [ 32.281381] ? __do_page_fault+0x159/0xad0 [ 32.285632] ? do_syscall_64+0x4c/0x640 [ 32.289622] ? do_pipe_flags+0x160/0x160 [ 32.293724] do_syscall_64+0x1d5/0x640 [ 32.297663] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 32.302877] RIP: 0033:0x449679 [ 32.306124] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 32.313860] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 32.321169] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 32.328507] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 32.335829] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000007b5a [ 32.343139] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 32.350536] CPU: 1 PID: 8073 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 32.358503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.367840] Call Trace: [ 32.370412] dump_stack+0x1b2/0x281 [ 32.374025] should_fail.cold+0x10a/0x149 [ 32.378156] should_failslab+0xd6/0x130 [ 32.382117] kmem_cache_alloc+0x28e/0x3c0 [ 32.386265] alloc_inode+0xa0/0x170 [ 32.389869] new_inode_pseudo+0x14/0xe0 [ 32.393829] create_pipe_files+0x84/0x880 [ 32.397969] ? pipe_release+0x300/0x300 [ 32.401929] ? vfs_write+0x319/0x4d0 [ 32.405632] ? do_pipe_flags+0x160/0x160 [ 32.409670] SyS_pipe2+0x76/0x160 [ 32.413101] ? do_pipe_flags+0x160/0x160 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 32.417311] ? SyS_read+0x210/0x210 [ 32.420954] ? __do_page_fault+0x159/0xad0 [ 32.425165] ? do_syscall_64+0x4c/0x640 [ 32.429114] ? do_pipe_flags+0x160/0x160 [ 32.433158] do_syscall_64+0x1d5/0x640 [ 32.437028] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 32.442197] RIP: 0033:0x449679 [ 32.445364] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 32.454180] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 32.461429] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 executing program [ 32.468692] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 32.475940] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000007d31 [ 32.483189] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 32.499664] FAULT_INJECTION: forcing a failure. [ 32.499664] name failslab, interval 1, probability 0, space 0, times 0 [ 32.511664] CPU: 1 PID: 8078 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 32.519556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.523302] FAULT_INJECTION: forcing a failure. [ 32.523302] name failslab, interval 1, probability 0, space 0, times 0 [ 32.528912] Call Trace: [ 32.528931] dump_stack+0x1b2/0x281 [ 32.546306] should_fail.cold+0x10a/0x149 [ 32.550457] should_failslab+0xd6/0x130 [ 32.554433] kmem_cache_alloc+0x28e/0x3c0 [ 32.558583] alloc_inode+0xa0/0x170 [ 32.558832] IPVS: ftp: loaded support on port[0] = 21 [ 32.562201] new_inode_pseudo+0x14/0xe0 [ 32.562210] create_pipe_files+0x84/0x880 [ 32.562219] ? pipe_release+0x300/0x300 [ 32.562227] ? vfs_write+0x319/0x4d0 [ 32.562233] ? do_pipe_flags+0x160/0x160 [ 32.562242] SyS_pipe2+0x76/0x160 [ 32.590615] ? do_pipe_flags+0x160/0x160 [ 32.594663] ? SyS_read+0x210/0x210 [ 32.598273] ? __do_page_fault+0x159/0xad0 [ 32.602488] ? do_syscall_64+0x4c/0x640 [ 32.606444] ? do_pipe_flags+0x160/0x160 [ 32.610484] do_syscall_64+0x1d5/0x640 [ 32.614371] entry_SYSCALL_64_after_hwframe+0x46/0xbb write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 32.619539] RIP: 0033:0x449679 [ 32.622706] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 32.630401] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 32.637652] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 32.644908] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 32.652189] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000007dde [ 32.659440] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 32.666721] CPU: 0 PID: 8076 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 32.674681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.681432] FAULT_INJECTION: forcing a failure. [ 32.681432] name failslab, interval 1, probability 0, space 0, times 0 [ 32.684215] Call Trace: [ 32.684256] dump_stack+0x1b2/0x281 [ 32.701680] should_fail.cold+0x10a/0x149 [ 32.705854] should_failslab+0xd6/0x130 [ 32.709842] kmem_cache_alloc+0x28e/0x3c0 [ 32.714024] alloc_inode+0xa0/0x170 [ 32.717667] new_inode_pseudo+0x14/0xe0 [ 32.721798] create_pipe_files+0x84/0x880 [ 32.725992] ? pipe_release+0x300/0x300 [ 32.730003] ? vfs_write+0x319/0x4d0 [ 32.733751] ? do_pipe_flags+0x160/0x160 [ 32.737899] SyS_pipe2+0x76/0x160 [ 32.741395] ? do_pipe_flags+0x160/0x160 [ 32.745482] ? SyS_read+0x210/0x210 [ 32.749123] ? __do_page_fault+0x159/0xad0 [ 32.753388] ? do_syscall_64+0x4c/0x640 [ 32.757377] ? do_pipe_flags+0x160/0x160 [ 32.761457] do_syscall_64+0x1d5/0x640 [ 32.765377] entry_SYSCALL_64_after_hwframe+0x46/0xbb write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 32.770576] RIP: 0033:0x449679 [ 32.773779] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 32.781529] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 32.788824] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 32.796160] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 32.803453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000007d2c [ 32.810728] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 32.818058] CPU: 1 PID: 8097 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 32.825949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.835476] Call Trace: [ 32.838198] dump_stack+0x1b2/0x281 [ 32.842087] should_fail.cold+0x10a/0x149 [ 32.846328] should_failslab+0xd6/0x130 [ 32.850339] kmem_cache_alloc+0x28e/0x3c0 [ 32.854474] alloc_inode+0xa0/0x170 [ 32.858096] new_inode_pseudo+0x14/0xe0 [ 32.862051] create_pipe_files+0x84/0x880 [ 32.866265] ? pipe_release+0x300/0x300 [ 32.870220] ? vfs_write+0x319/0x4d0 [ 32.874000] ? do_pipe_flags+0x160/0x160 [ 32.878036] SyS_pipe2+0x76/0x160 [ 32.881483] ? do_pipe_flags+0x160/0x160 [ 32.885545] ? SyS_read+0x210/0x210 [ 32.889154] ? __do_page_fault+0x159/0xad0 [ 32.893367] ? do_syscall_64+0x4c/0x640 [ 32.897320] ? do_pipe_flags+0x160/0x160 [ 32.901358] do_syscall_64+0x1d5/0x640 [ 32.905227] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 32.910391] RIP: 0033:0x449679 [ 32.913557] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 executing program executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 32.921242] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 32.928489] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 32.935738] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 32.943000] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000007f04 [ 32.950247] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 32.978425] FAULT_INJECTION: forcing a failure. [ 32.978425] name failslab, interval 1, probability 0, space 0, times 0 [ 32.987962] FAULT_INJECTION: forcing a failure. [ 32.987962] name failslab, interval 1, probability 0, space 0, times 0 [ 32.992077] FAULT_INJECTION: forcing a failure. [ 32.992077] name failslab, interval 1, probability 0, space 0, times 0 [ 33.018957] CPU: 1 PID: 8103 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 33.026856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.036200] Call Trace: [ 33.038771] dump_stack+0x1b2/0x281 [ 33.042398] should_fail.cold+0x10a/0x149 [ 33.046549] should_failslab+0xd6/0x130 [ 33.050512] kmem_cache_alloc+0x28e/0x3c0 [ 33.054646] alloc_inode+0xa0/0x170 [ 33.058255] new_inode_pseudo+0x14/0xe0 [ 33.062210] create_pipe_files+0x84/0x880 [ 33.066340] ? pipe_release+0x300/0x300 [ 33.070294] ? vfs_write+0x319/0x4d0 [ 33.073985] ? do_pipe_flags+0x160/0x160 [ 33.078029] SyS_pipe2+0x76/0x160 [ 33.081459] ? do_pipe_flags+0x160/0x160 [ 33.085496] ? SyS_read+0x210/0x210 [ 33.089102] ? __do_page_fault+0x159/0xad0 [ 33.093493] ? do_syscall_64+0x4c/0x640 [ 33.097455] ? do_pipe_flags+0x160/0x160 [ 33.101584] do_syscall_64+0x1d5/0x640 [ 33.105455] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.110622] RIP: 0033:0x449679 [ 33.113808] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 33.121496] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 33.128841] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 33.136101] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 33.143352] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000007fba [ 33.150612] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 33.157880] CPU: 0 PID: 8098 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 33.165812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.175212] Call Trace: [ 33.177852] dump_stack+0x1b2/0x281 [ 33.180990] FAULT_INJECTION: forcing a failure. [ 33.180990] name failslab, interval 1, probability 0, space 0, times 0 [ 33.181546] should_fail.cold+0x10a/0x149 [ 33.196883] should_failslab+0xd6/0x130 [ 33.200878] kmem_cache_alloc+0x28e/0x3c0 [ 33.205043] alloc_inode+0xa0/0x170 [ 33.208678] new_inode_pseudo+0x14/0xe0 [ 33.212664] create_pipe_files+0x84/0x880 [ 33.216835] ? pipe_release+0x300/0x300 [ 33.220836] ? vfs_write+0x319/0x4d0 [ 33.224568] ? do_pipe_flags+0x160/0x160 [ 33.228677] SyS_pipe2+0x76/0x160 [ 33.232147] ? do_pipe_flags+0x160/0x160 [ 33.236230] ? SyS_read+0x210/0x210 [ 33.239866] ? __do_page_fault+0x159/0xad0 [ 33.244126] ? do_syscall_64+0x4c/0x640 [ 33.248112] ? do_pipe_flags+0x160/0x160 [ 33.252186] do_syscall_64+0x1d5/0x640 [ 33.256104] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.261302] RIP: 0033:0x449679 [ 33.264504] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 33.272234] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 33.279533] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 33.286861] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 33.293913] IPVS: ftp: loaded support on port[0] = 21 [ 33.294173] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000007f00 [ 33.306668] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 33.314224] CPU: 1 PID: 8122 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 33.322118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.331452] Call Trace: [ 33.334022] dump_stack+0x1b2/0x281 [ 33.337633] should_fail.cold+0x10a/0x149 [ 33.341766] should_failslab+0xd6/0x130 [ 33.345738] kmem_cache_alloc+0x28e/0x3c0 [ 33.349867] alloc_inode+0xa0/0x170 [ 33.353475] new_inode_pseudo+0x14/0xe0 [ 33.357432] create_pipe_files+0x84/0x880 [ 33.361561] ? pipe_release+0x300/0x300 [ 33.365516] ? vfs_write+0x319/0x4d0 [ 33.369233] ? do_pipe_flags+0x160/0x160 [ 33.373288] SyS_pipe2+0x76/0x160 [ 33.376721] ? do_pipe_flags+0x160/0x160 [ 33.380760] ? SyS_read+0x210/0x210 [ 33.384367] ? __do_page_fault+0x159/0xad0 [ 33.388597] ? do_syscall_64+0x4c/0x640 [ 33.392554] ? do_pipe_flags+0x160/0x160 [ 33.396595] do_syscall_64+0x1d5/0x640 [ 33.400466] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.405738] RIP: 0033:0x449679 [ 33.408906] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 33.416593] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 33.423937] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 33.431186] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 33.438455] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000080e9 [ 33.445714] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 33.452982] CPU: 0 PID: 8101 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 33.460913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.470312] Call Trace: [ 33.472947] dump_stack+0x1b2/0x281 [ 33.476649] should_fail.cold+0x10a/0x149 [ 33.479445] FAULT_INJECTION: forcing a failure. [ 33.479445] name failslab, interval 1, probability 0, space 0, times 0 [ 33.480914] should_failslab+0xd6/0x130 [ 33.480960] kmem_cache_alloc+0x28e/0x3c0 [ 33.500294] alloc_inode+0xa0/0x170 [ 33.503951] new_inode_pseudo+0x14/0xe0 [ 33.507940] create_pipe_files+0x84/0x880 [ 33.512106] ? pipe_release+0x300/0x300 [ 33.516096] ? vfs_write+0x319/0x4d0 [ 33.519814] ? do_pipe_flags+0x160/0x160 [ 33.523904] SyS_pipe2+0x76/0x160 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 33.527382] ? do_pipe_flags+0x160/0x160 [ 33.531451] ? SyS_read+0x210/0x210 [ 33.535108] ? __do_page_fault+0x159/0xad0 [ 33.539356] ? do_syscall_64+0x4c/0x640 [ 33.543363] ? do_pipe_flags+0x160/0x160 [ 33.547471] do_syscall_64+0x1d5/0x640 [ 33.551418] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.556967] RIP: 0033:0x449679 [ 33.560191] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 33.567929] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 33.575205] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 33.582486] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 33.589781] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc2d3eb224 [ 33.597092] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 0000000000400488 [ 33.604456] CPU: 1 PID: 8123 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 33.612344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.621689] Call Trace: [ 33.624271] dump_stack+0x1b2/0x281 [ 33.627880] should_fail.cold+0x10a/0x149 [ 33.632011] should_failslab+0xd6/0x130 [ 33.635964] kmem_cache_alloc+0x28e/0x3c0 [ 33.640110] alloc_inode+0xa0/0x170 [ 33.643716] new_inode_pseudo+0x14/0xe0 [ 33.647668] create_pipe_files+0x84/0x880 [ 33.651794] ? pipe_release+0x300/0x300 [ 33.655769] ? vfs_write+0x319/0x4d0 [ 33.659457] ? do_pipe_flags+0x160/0x160 [ 33.663496] SyS_pipe2+0x76/0x160 [ 33.666930] ? do_pipe_flags+0x160/0x160 [ 33.670992] ? SyS_read+0x210/0x210 [ 33.674623] ? __do_page_fault+0x159/0xad0 executing program executing program [ 33.678834] ? do_syscall_64+0x4c/0x640 [ 33.682800] ? do_pipe_flags+0x160/0x160 [ 33.686837] do_syscall_64+0x1d5/0x640 [ 33.690706] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.695874] RIP: 0033:0x449679 [ 33.699055] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 33.706757] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 33.714002] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 33.721246] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 33.728491] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000081ae [ 33.735740] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 33.759786] FAULT_INJECTION: forcing a failure. [ 33.759786] name failslab, interval 1, probability 0, space 0, times 0 [ 33.773849] FAULT_INJECTION: forcing a failure. [ 33.773849] name failslab, interval 1, probability 0, space 0, times 0 [ 33.777630] FAULT_INJECTION: forcing a failure. [ 33.777630] name failslab, interval 1, probability 0, space 0, times 0 [ 33.787299] CPU: 0 PID: 8125 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 33.804381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.813766] Call Trace: [ 33.816367] dump_stack+0x1b2/0x281 [ 33.820051] should_fail.cold+0x10a/0x149 [ 33.824252] should_failslab+0xd6/0x130 [ 33.828240] kmem_cache_alloc+0x28e/0x3c0 [ 33.832427] alloc_inode+0xa0/0x170 [ 33.836072] new_inode_pseudo+0x14/0xe0 [ 33.840076] create_pipe_files+0x84/0x880 [ 33.844264] ? pipe_release+0x300/0x300 [ 33.848275] ? vfs_write+0x319/0x4d0 [ 33.852025] ? do_pipe_flags+0x160/0x160 [ 33.856141] SyS_pipe2+0x76/0x160 [ 33.859622] ? do_pipe_flags+0x160/0x160 [ 33.863704] ? SyS_read+0x210/0x210 [ 33.867349] ? __do_page_fault+0x159/0xad0 [ 33.871604] ? do_syscall_64+0x4c/0x640 [ 33.875631] ? do_pipe_flags+0x160/0x160 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 33.879931] do_syscall_64+0x1d5/0x640 [ 33.886381] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.891606] RIP: 0033:0x449679 [ 33.894813] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 33.902585] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 33.909863] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 33.917163] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 33.924440] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000080d3 [ 33.931739] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 33.939111] CPU: 1 PID: 8124 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 33.947012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.956368] Call Trace: [ 33.958945] dump_stack+0x1b2/0x281 [ 33.962585] should_fail.cold+0x10a/0x149 [ 33.966752] should_failslab+0xd6/0x130 [ 33.970714] kmem_cache_alloc+0x28e/0x3c0 [ 33.974863] alloc_inode+0xa0/0x170 [ 33.978484] new_inode_pseudo+0x14/0xe0 [ 33.982445] create_pipe_files+0x84/0x880 [ 33.986580] ? pipe_release+0x300/0x300 [ 33.990538] ? vfs_write+0x319/0x4d0 [ 33.994233] ? do_pipe_flags+0x160/0x160 [ 33.998276] SyS_pipe2+0x76/0x160 [ 34.001710] ? do_pipe_flags+0x160/0x160 [ 34.005752] ? SyS_read+0x210/0x210 [ 34.009378] ? __do_page_fault+0x159/0xad0 [ 34.013596] ? do_syscall_64+0x4c/0x640 [ 34.017550] ? do_pipe_flags+0x160/0x160 [ 34.021594] do_syscall_64+0x1d5/0x640 [ 34.025554] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.030725] RIP: 0033:0x449679 [ 34.033905] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 34.041607] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 34.048866] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 34.056135] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 34.063390] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000080e0 [ 34.070658] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 34.077926] CPU: 0 PID: 8130 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 34.085863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.086077] FAULT_INJECTION: forcing a failure. [ 34.086077] name failslab, interval 1, probability 0, space 0, times 0 [ 34.095233] Call Trace: [ 34.095258] dump_stack+0x1b2/0x281 [ 34.095299] should_fail.cold+0x10a/0x149 [ 34.095336] should_failslab+0xd6/0x130 [ 34.120830] kmem_cache_alloc+0x28e/0x3c0 [ 34.125027] alloc_inode+0xa0/0x170 [ 34.128702] new_inode_pseudo+0x14/0xe0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program [ 34.132781] create_pipe_files+0x84/0x880 [ 34.136949] ? pipe_release+0x300/0x300 [ 34.140941] ? vfs_write+0x319/0x4d0 [ 34.144668] ? do_pipe_flags+0x160/0x160 [ 34.148760] SyS_pipe2+0x76/0x160 [ 34.152250] ? do_pipe_flags+0x160/0x160 [ 34.156328] ? SyS_read+0x210/0x210 [ 34.159965] ? __do_page_fault+0x159/0xad0 [ 34.164218] ? do_syscall_64+0x4c/0x640 [ 34.168218] ? do_pipe_flags+0x160/0x160 [ 34.172293] do_syscall_64+0x1d5/0x640 [ 34.176248] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.181464] RIP: 0033:0x449679 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 34.184689] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 34.192429] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 34.199704] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 34.207180] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 34.214483] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000082d9 [ 34.215191] FAULT_INJECTION: forcing a failure. [ 34.215191] name failslab, interval 1, probability 0, space 0, times 0 [ 34.221759] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 34.238662] FAULT_INJECTION: forcing a failure. [ 34.238662] name failslab, interval 1, probability 0, space 0, times 0 [ 34.240959] CPU: 1 PID: 8132 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 34.259709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.269054] Call Trace: [ 34.271638] dump_stack+0x1b2/0x281 [ 34.275256] should_fail.cold+0x10a/0x149 [ 34.279386] should_failslab+0xd6/0x130 [ 34.283345] kmem_cache_alloc+0x28e/0x3c0 [ 34.287495] alloc_inode+0xa0/0x170 [ 34.291124] new_inode_pseudo+0x14/0xe0 [ 34.295080] create_pipe_files+0x84/0x880 [ 34.299223] ? pipe_release+0x300/0x300 [ 34.303178] ? vfs_write+0x319/0x4d0 [ 34.306870] ? do_pipe_flags+0x160/0x160 [ 34.310915] SyS_pipe2+0x76/0x160 [ 34.314348] ? do_pipe_flags+0x160/0x160 [ 34.318391] ? SyS_read+0x210/0x210 [ 34.322015] ? __do_page_fault+0x159/0xad0 [ 34.326230] ? do_syscall_64+0x4c/0x640 [ 34.330184] ? do_pipe_flags+0x160/0x160 [ 34.334224] do_syscall_64+0x1d5/0x640 [ 34.338097] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.343279] RIP: 0033:0x449679 [ 34.346448] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 34.354142] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 34.361494] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 34.368747] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 34.375996] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000083e6 [ 34.383249] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 34.390514] CPU: 0 PID: 8133 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 34.398435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.407899] Call Trace: [ 34.410500] dump_stack+0x1b2/0x281 [ 34.414420] should_fail.cold+0x10a/0x149 [ 34.418597] should_failslab+0xd6/0x130 [ 34.422587] kmem_cache_alloc+0x28e/0x3c0 [ 34.426771] alloc_inode+0xa0/0x170 [ 34.430428] new_inode_pseudo+0x14/0xe0 [ 34.434418] create_pipe_files+0x84/0x880 [ 34.438608] ? pipe_release+0x300/0x300 [ 34.442623] ? vfs_write+0x319/0x4d0 [ 34.446343] ? do_pipe_flags+0x160/0x160 [ 34.450430] SyS_pipe2+0x76/0x160 [ 34.453912] ? do_pipe_flags+0x160/0x160 [ 34.457983] ? SyS_read+0x210/0x210 [ 34.461620] ? __do_page_fault+0x159/0xad0 [ 34.465865] ? do_syscall_64+0x4c/0x640 [ 34.469860] ? do_pipe_flags+0x160/0x160 [ 34.473936] do_syscall_64+0x1d5/0x640 [ 34.477873] entry_SYSCALL_64_after_hwframe+0x46/0xbb write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 34.483085] RIP: 0033:0x449679 [ 34.486279] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 34.494018] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 34.501336] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 34.508619] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 34.515895] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000008401 [ 34.523184] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 executing program [ 34.530786] CPU: 1 PID: 8131 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 34.538677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.548033] Call Trace: [ 34.550801] dump_stack+0x1b2/0x281 [ 34.554437] should_fail.cold+0x10a/0x149 [ 34.557933] FAULT_INJECTION: forcing a failure. [ 34.557933] name failslab, interval 1, probability 0, space 0, times 0 [ 34.558588] should_failslab+0xd6/0x130 [ 34.558604] kmem_cache_alloc+0x28e/0x3c0 [ 34.572457] FAULT_INJECTION: forcing a failure. [ 34.572457] name failslab, interval 1, probability 0, space 0, times 0 [ 34.573755] alloc_inode+0xa0/0x170 [ 34.573766] new_inode_pseudo+0x14/0xe0 [ 34.573777] create_pipe_files+0x84/0x880 [ 34.573788] ? pipe_release+0x300/0x300 [ 34.573798] ? vfs_write+0x319/0x4d0 [ 34.573805] ? do_pipe_flags+0x160/0x160 [ 34.573815] SyS_pipe2+0x76/0x160 [ 34.573825] ? do_pipe_flags+0x160/0x160 [ 34.620120] ? SyS_read+0x210/0x210 [ 34.623728] ? __do_page_fault+0x159/0xad0 [ 34.627943] ? do_syscall_64+0x4c/0x640 [ 34.631901] ? do_pipe_flags+0x160/0x160 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 34.635951] do_syscall_64+0x1d5/0x640 [ 34.639828] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.645018] RIP: 0033:0x449679 [ 34.648190] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 34.655898] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 34.663155] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 34.670408] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 34.677663] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000083e9 [ 34.684922] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 34.692190] CPU: 0 PID: 8135 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 34.700113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.709495] Call Trace: [ 34.712098] dump_stack+0x1b2/0x281 [ 34.715752] should_fail.cold+0x10a/0x149 [ 34.719924] should_failslab+0xd6/0x130 [ 34.723927] kmem_cache_alloc+0x28e/0x3c0 [ 34.728107] alloc_inode+0xa0/0x170 [ 34.731743] new_inode_pseudo+0x14/0xe0 [ 34.735732] create_pipe_files+0x84/0x880 [ 34.739926] ? pipe_release+0x300/0x300 [ 34.743941] ? vfs_write+0x319/0x4d0 [ 34.747677] ? do_pipe_flags+0x160/0x160 [ 34.751766] SyS_pipe2+0x76/0x160 [ 34.755230] ? do_pipe_flags+0x160/0x160 [ 34.759306] ? SyS_read+0x210/0x210 [ 34.762962] ? __do_page_fault+0x159/0xad0 [ 34.767227] ? do_syscall_64+0x4c/0x640 [ 34.771234] ? do_pipe_flags+0x160/0x160 [ 34.775309] do_syscall_64+0x1d5/0x640 [ 34.779231] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.784432] RIP: 0033:0x449679 [ 34.787634] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 34.795379] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 34.802699] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 34.809982] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 34.817273] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000085d0 [ 34.824552] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 34.831881] CPU: 1 PID: 8134 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 34.837891] FAULT_INJECTION: forcing a failure. [ 34.837891] name failslab, interval 1, probability 0, space 0, times 0 [ 34.839768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.839773] Call Trace: [ 34.839789] dump_stack+0x1b2/0x281 [ 34.839804] should_fail.cold+0x10a/0x149 [ 34.839818] should_failslab+0xd6/0x130 [ 34.839830] kmem_cache_alloc+0x28e/0x3c0 [ 34.839841] alloc_inode+0xa0/0x170 [ 34.839855] new_inode_pseudo+0x14/0xe0 [ 34.839865] create_pipe_files+0x84/0x880 [ 34.839875] ? pipe_release+0x300/0x300 [ 34.839885] ? vfs_write+0x319/0x4d0 [ 34.839891] ? do_pipe_flags+0x160/0x160 [ 34.839903] SyS_pipe2+0x76/0x160 [ 34.905608] ? do_pipe_flags+0x160/0x160 [ 34.909659] ? SyS_read+0x210/0x210 [ 34.913266] ? __do_page_fault+0x159/0xad0 [ 34.917481] ? do_syscall_64+0x4c/0x640 [ 34.921435] ? do_pipe_flags+0x160/0x160 [ 34.925500] do_syscall_64+0x1d5/0x640 [ 34.929392] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.934565] RIP: 0033:0x449679 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 34.937759] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 34.945452] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 34.952704] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 34.959956] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 34.967987] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000008538 [ 34.975245] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 34.982533] CPU: 0 PID: 8136 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 34.990463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.999860] Call Trace: [ 35.002494] dump_stack+0x1b2/0x281 [ 35.006188] should_fail.cold+0x10a/0x149 [ 35.008732] FAULT_INJECTION: forcing a failure. [ 35.008732] name failslab, interval 1, probability 0, space 0, times 0 [ 35.010383] should_failslab+0xd6/0x130 [ 35.010412] kmem_cache_alloc+0x28e/0x3c0 [ 35.010450] alloc_inode+0xa0/0x170 [ 35.010476] new_inode_pseudo+0x14/0xe0 executing program [ 35.037408] create_pipe_files+0x84/0x880 [ 35.041586] ? pipe_release+0x300/0x300 [ 35.045580] ? vfs_write+0x319/0x4d0 [ 35.049317] ? do_pipe_flags+0x160/0x160 [ 35.053592] SyS_pipe2+0x76/0x160 [ 35.057072] ? do_pipe_flags+0x160/0x160 [ 35.061156] ? SyS_read+0x210/0x210 [ 35.064799] ? __do_page_fault+0x159/0xad0 [ 35.069055] ? do_syscall_64+0x4c/0x640 [ 35.073048] ? do_pipe_flags+0x160/0x160 [ 35.077145] do_syscall_64+0x1d5/0x640 [ 35.081068] entry_SYSCALL_64_after_hwframe+0x46/0xbb write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 35.086285] RIP: 0033:0x449679 [ 35.089496] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 35.097246] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 35.104550] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 35.111876] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 35.112012] FAULT_INJECTION: forcing a failure. [ 35.112012] name failslab, interval 1, probability 0, space 0, times 0 [ 35.119295] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000008534 [ 35.119308] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 35.136340] FAULT_INJECTION: forcing a failure. [ 35.136340] name failslab, interval 1, probability 0, space 0, times 0 [ 35.138667] CPU: 1 PID: 8138 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 35.164466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.173808] Call Trace: [ 35.176383] dump_stack+0x1b2/0x281 [ 35.180024] should_fail.cold+0x10a/0x149 [ 35.184156] should_failslab+0xd6/0x130 [ 35.188134] kmem_cache_alloc+0x28e/0x3c0 [ 35.192275] alloc_inode+0xa0/0x170 [ 35.195891] new_inode_pseudo+0x14/0xe0 [ 35.199848] create_pipe_files+0x84/0x880 [ 35.203976] ? pipe_release+0x300/0x300 [ 35.207932] ? vfs_write+0x319/0x4d0 [ 35.211712] ? do_pipe_flags+0x160/0x160 [ 35.215756] SyS_pipe2+0x76/0x160 [ 35.219195] ? do_pipe_flags+0x160/0x160 [ 35.223235] ? SyS_read+0x210/0x210 [ 35.226844] ? __do_page_fault+0x159/0xad0 [ 35.231064] ? do_syscall_64+0x4c/0x640 [ 35.235136] ? do_pipe_flags+0x160/0x160 [ 35.239178] do_syscall_64+0x1d5/0x640 [ 35.243051] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.248230] RIP: 0033:0x449679 [ 35.251410] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 35.259118] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 35.266373] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 35.273643] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 35.280983] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000086f1 [ 35.288256] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 35.295525] CPU: 0 PID: 8139 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 35.303452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.312816] Call Trace: [ 35.315415] dump_stack+0x1b2/0x281 [ 35.319098] should_fail.cold+0x10a/0x149 [ 35.323295] should_failslab+0xd6/0x130 [ 35.327284] kmem_cache_alloc+0x28e/0x3c0 [ 35.331463] alloc_inode+0xa0/0x170 [ 35.335106] new_inode_pseudo+0x14/0xe0 [ 35.339092] create_pipe_files+0x84/0x880 [ 35.343264] ? pipe_release+0x300/0x300 [ 35.347274] ? vfs_write+0x319/0x4d0 [ 35.350995] ? do_pipe_flags+0x160/0x160 [ 35.355074] SyS_pipe2+0x76/0x160 [ 35.358547] ? do_pipe_flags+0x160/0x160 [ 35.362628] ? SyS_read+0x210/0x210 [ 35.366262] ? __do_page_fault+0x159/0xad0 [ 35.370524] ? do_syscall_64+0x4c/0x640 [ 35.374541] ? do_pipe_flags+0x160/0x160 [ 35.378615] do_syscall_64+0x1d5/0x640 [ 35.382532] entry_SYSCALL_64_after_hwframe+0x46/0xbb write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 35.387738] RIP: 0033:0x449679 [ 35.390941] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 35.398682] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 35.405973] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 35.413253] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 35.420529] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000008827 [ 35.428269] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 35.435636] CPU: 1 PID: 8137 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 35.443529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.452889] Call Trace: [ 35.455486] dump_stack+0x1b2/0x281 [ 35.459134] should_fail.cold+0x10a/0x149 [ 35.463290] should_failslab+0xd6/0x130 [ 35.465722] FAULT_INJECTION: forcing a failure. [ 35.465722] name failslab, interval 1, probability 0, space 0, times 0 [ 35.467274] kmem_cache_alloc+0x28e/0x3c0 [ 35.467288] alloc_inode+0xa0/0x170 [ 35.467297] new_inode_pseudo+0x14/0xe0 [ 35.467308] create_pipe_files+0x84/0x880 [ 35.467319] ? pipe_release+0x300/0x300 [ 35.467329] ? vfs_write+0x319/0x4d0 [ 35.467336] ? do_pipe_flags+0x160/0x160 [ 35.467345] SyS_pipe2+0x76/0x160 [ 35.467356] ? do_pipe_flags+0x160/0x160 [ 35.513565] ? SyS_read+0x210/0x210 [ 35.517175] ? __do_page_fault+0x159/0xad0 [ 35.521388] ? do_syscall_64+0x4c/0x640 [ 35.525342] ? do_pipe_flags+0x160/0x160 [ 35.529398] do_syscall_64+0x1d5/0x640 [ 35.533296] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 35.538487] RIP: 0033:0x449679 [ 35.541657] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 35.549346] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 35.556616] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 35.563868] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 35.571123] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000008711 [ 35.578382] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 35.585652] CPU: 0 PID: 8140 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 35.593580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.594863] FAULT_INJECTION: forcing a failure. [ 35.594863] name failslab, interval 1, probability 0, space 0, times 0 [ 35.602955] Call Trace: [ 35.602983] dump_stack+0x1b2/0x281 [ 35.603026] should_fail.cold+0x10a/0x149 [ 35.624745] should_failslab+0xd6/0x130 [ 35.628805] kmem_cache_alloc+0x28e/0x3c0 [ 35.633274] alloc_inode+0xa0/0x170 [ 35.636910] new_inode_pseudo+0x14/0xe0 [ 35.640919] create_pipe_files+0x84/0x880 [ 35.645099] ? pipe_release+0x300/0x300 [ 35.649095] ? vfs_write+0x319/0x4d0 [ 35.652818] ? do_pipe_flags+0x160/0x160 [ 35.656897] SyS_pipe2+0x76/0x160 [ 35.660360] ? do_pipe_flags+0x160/0x160 [ 35.664431] ? SyS_read+0x210/0x210 [ 35.669573] ? __do_page_fault+0x159/0xad0 [ 35.673821] ? do_syscall_64+0x4c/0x640 [ 35.679574] ? do_pipe_flags+0x160/0x160 [ 35.683679] do_syscall_64+0x1d5/0x640 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 35.687596] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.692798] RIP: 0033:0x449679 [ 35.695995] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 35.703728] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 35.711024] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 35.718329] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 35.725631] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000008952 [ 35.732942] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 35.740315] CPU: 1 PID: 8141 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 35.748220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.756478] FAULT_INJECTION: forcing a failure. [ 35.756478] name failslab, interval 1, probability 0, space 0, times 0 [ 35.757583] Call Trace: [ 35.757599] dump_stack+0x1b2/0x281 [ 35.757615] should_fail.cold+0x10a/0x149 [ 35.757628] should_failslab+0xd6/0x130 [ 35.757640] kmem_cache_alloc+0x28e/0x3c0 [ 35.757652] alloc_inode+0xa0/0x170 [ 35.757660] new_inode_pseudo+0x14/0xe0 [ 35.757672] create_pipe_files+0x84/0x880 [ 35.798939] ? pipe_release+0x300/0x300 [ 35.802895] ? vfs_write+0x319/0x4d0 [ 35.806695] ? do_pipe_flags+0x160/0x160 [ 35.810738] SyS_pipe2+0x76/0x160 [ 35.814174] ? do_pipe_flags+0x160/0x160 [ 35.818219] ? SyS_read+0x210/0x210 [ 35.821826] ? __do_page_fault+0x159/0xad0 [ 35.826042] ? do_syscall_64+0x4c/0x640 [ 35.830001] ? do_pipe_flags+0x160/0x160 [ 35.834050] do_syscall_64+0x1d5/0x640 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 35.837932] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.843109] RIP: 0033:0x449679 [ 35.846297] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 35.853990] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 35.861246] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 35.868519] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 35.875782] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000088d3 [ 35.883045] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 35.890316] CPU: 0 PID: 8144 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 35.898344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.898752] FAULT_INJECTION: forcing a failure. [ 35.898752] name failslab, interval 1, probability 0, space 0, times 0 [ 35.907716] Call Trace: [ 35.907740] dump_stack+0x1b2/0x281 [ 35.907784] should_fail.cold+0x10a/0x149 [ 35.929352] should_failslab+0xd6/0x130 [ 35.933538] kmem_cache_alloc+0x28e/0x3c0 [ 35.937739] alloc_inode+0xa0/0x170 [ 35.941396] new_inode_pseudo+0x14/0xe0 [ 35.945385] create_pipe_files+0x84/0x880 [ 35.949642] ? pipe_release+0x300/0x300 [ 35.953644] ? vfs_write+0x319/0x4d0 [ 35.957364] ? do_pipe_flags+0x160/0x160 [ 35.961444] SyS_pipe2+0x76/0x160 [ 35.964940] ? do_pipe_flags+0x160/0x160 [ 35.969012] ? SyS_read+0x210/0x210 [ 35.972647] ? __do_page_fault+0x159/0xad0 [ 35.976920] ? do_syscall_64+0x4c/0x640 [ 35.980931] ? do_pipe_flags+0x160/0x160 [ 35.985038] do_syscall_64+0x1d5/0x640 executing program [ 35.988972] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.994182] RIP: 0033:0x449679 [ 35.997381] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 36.005220] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 36.012502] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 36.019793] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 36.027102] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000008a9b [ 36.034408] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 36.041923] CPU: 1 PID: 8145 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 36.049826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.050195] FAULT_INJECTION: forcing a failure. [ 36.050195] name failslab, interval 1, probability 0, space 0, times 0 [ 36.059180] Call Trace: [ 36.059196] dump_stack+0x1b2/0x281 [ 36.059212] should_fail.cold+0x10a/0x149 [ 36.059224] should_failslab+0xd6/0x130 [ 36.059235] kmem_cache_alloc+0x28e/0x3c0 [ 36.059248] alloc_inode+0xa0/0x170 [ 36.059257] new_inode_pseudo+0x14/0xe0 [ 36.059266] create_pipe_files+0x84/0x880 [ 36.059275] ? pipe_release+0x300/0x300 [ 36.059285] ? vfs_write+0x319/0x4d0 [ 36.059291] ? do_pipe_flags+0x160/0x160 [ 36.059300] SyS_pipe2+0x76/0x160 [ 36.059308] ? do_pipe_flags+0x160/0x160 [ 36.059315] ? SyS_read+0x210/0x210 [ 36.059324] ? __do_page_fault+0x159/0xad0 [ 36.059336] ? do_syscall_64+0x4c/0x640 [ 36.131492] ? do_pipe_flags+0x160/0x160 [ 36.135537] do_syscall_64+0x1d5/0x640 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 36.139416] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.144587] RIP: 0033:0x449679 [ 36.147861] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 36.155550] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 36.162811] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 36.170062] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 36.177321] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000008b19 [ 36.185093] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 36.192363] CPU: 0 PID: 8146 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 36.200301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.209717] Call Trace: [ 36.210577] FAULT_INJECTION: forcing a failure. [ 36.210577] name failslab, interval 1, probability 0, space 0, times 0 [ 36.212337] dump_stack+0x1b2/0x281 [ 36.227168] should_fail.cold+0x10a/0x149 [ 36.231354] should_failslab+0xd6/0x130 [ 36.235347] kmem_cache_alloc+0x28e/0x3c0 [ 36.239563] alloc_inode+0xa0/0x170 [ 36.243233] new_inode_pseudo+0x14/0xe0 [ 36.247223] create_pipe_files+0x84/0x880 [ 36.251412] ? pipe_release+0x300/0x300 [ 36.255421] ? vfs_write+0x319/0x4d0 [ 36.259145] ? do_pipe_flags+0x160/0x160 [ 36.263226] SyS_pipe2+0x76/0x160 [ 36.266688] ? do_pipe_flags+0x160/0x160 [ 36.270763] ? SyS_read+0x210/0x210 [ 36.274572] ? __do_page_fault+0x159/0xad0 [ 36.278836] ? do_syscall_64+0x4c/0x640 [ 36.282825] ? do_pipe_flags+0x160/0x160 [ 36.286897] do_syscall_64+0x1d5/0x640 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 36.290853] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.296065] RIP: 0033:0x449679 [ 36.299260] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 36.306993] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 36.314269] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 36.321546] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 36.328824] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000088b8 [ 36.336195] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 36.343582] CPU: 1 PID: 8147 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 36.351251] FAULT_INJECTION: forcing a failure. [ 36.351251] name failslab, interval 1, probability 0, space 0, times 0 [ 36.351469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.351477] Call Trace: [ 36.351491] dump_stack+0x1b2/0x281 [ 36.378184] should_fail.cold+0x10a/0x149 [ 36.382321] should_failslab+0xd6/0x130 [ 36.386307] kmem_cache_alloc+0x28e/0x3c0 [ 36.390459] alloc_inode+0xa0/0x170 [ 36.394068] new_inode_pseudo+0x14/0xe0 [ 36.398024] create_pipe_files+0x84/0x880 [ 36.402154] ? pipe_release+0x300/0x300 [ 36.406130] ? vfs_write+0x319/0x4d0 [ 36.409829] ? do_pipe_flags+0x160/0x160 [ 36.413870] SyS_pipe2+0x76/0x160 [ 36.417307] ? do_pipe_flags+0x160/0x160 [ 36.421347] ? SyS_read+0x210/0x210 [ 36.424955] ? __do_page_fault+0x159/0xad0 [ 36.429187] ? do_syscall_64+0x4c/0x640 [ 36.433141] ? do_pipe_flags+0x160/0x160 [ 36.437187] do_syscall_64+0x1d5/0x640 [ 36.441059] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.446229] RIP: 0033:0x449679 [ 36.449400] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 36.457106] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 36.464447] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 36.471705] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 36.478956] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000008c4e [ 36.486222] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 36.493498] CPU: 0 PID: 8148 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 36.501433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.510828] Call Trace: [ 36.513446] dump_stack+0x1b2/0x281 [ 36.517116] should_fail.cold+0x10a/0x149 [ 36.517383] FAULT_INJECTION: forcing a failure. [ 36.517383] name failslab, interval 1, probability 0, space 0, times 0 [ 36.521302] should_failslab+0xd6/0x130 [ 36.521332] kmem_cache_alloc+0x28e/0x3c0 [ 36.521367] alloc_inode+0xa0/0x170 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 36.544474] new_inode_pseudo+0x14/0xe0 [ 36.548490] create_pipe_files+0x84/0x880 [ 36.552694] ? pipe_release+0x300/0x300 [ 36.556693] ? vfs_write+0x319/0x4d0 [ 36.560414] ? do_pipe_flags+0x160/0x160 [ 36.564497] SyS_pipe2+0x76/0x160 [ 36.567961] ? do_pipe_flags+0x160/0x160 [ 36.572031] ? SyS_read+0x210/0x210 [ 36.575670] ? __do_page_fault+0x159/0xad0 [ 36.579933] ? do_syscall_64+0x4c/0x640 [ 36.583937] ? do_pipe_flags+0x160/0x160 [ 36.588357] do_syscall_64+0x1d5/0x640 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 36.592286] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.597491] RIP: 0033:0x449679 [ 36.600702] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 36.608464] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 36.615749] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 36.623032] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 36.630332] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000008bbe [ 36.637629] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 36.644970] CPU: 1 PID: 8149 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 36.651708] FAULT_INJECTION: forcing a failure. [ 36.651708] name failslab, interval 1, probability 0, space 0, times 0 [ 36.652942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.652947] Call Trace: [ 36.652962] dump_stack+0x1b2/0x281 [ 36.652978] should_fail.cold+0x10a/0x149 [ 36.652992] should_failslab+0xd6/0x130 [ 36.653003] kmem_cache_alloc+0x28e/0x3c0 [ 36.653015] alloc_inode+0xa0/0x170 [ 36.653024] new_inode_pseudo+0x14/0xe0 [ 36.653036] create_pipe_files+0x84/0x880 [ 36.703632] ? pipe_release+0x300/0x300 [ 36.707591] ? vfs_write+0x319/0x4d0 [ 36.711718] ? do_pipe_flags+0x160/0x160 [ 36.715766] SyS_pipe2+0x76/0x160 [ 36.719204] ? do_pipe_flags+0x160/0x160 [ 36.723246] ? SyS_read+0x210/0x210 [ 36.726953] ? __do_page_fault+0x159/0xad0 [ 36.731169] ? do_syscall_64+0x4c/0x640 [ 36.735130] ? do_pipe_flags+0x160/0x160 [ 36.739183] do_syscall_64+0x1d5/0x640 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 36.743079] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.748254] RIP: 0033:0x449679 [ 36.751442] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 36.759139] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 36.766432] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 36.773685] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 36.780954] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000008d86 [ 36.788205] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 36.795480] CPU: 0 PID: 8150 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 36.803407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.812824] Call Trace: [ 36.815456] dump_stack+0x1b2/0x281 [ 36.819159] should_fail.cold+0x10a/0x149 [ 36.820009] FAULT_INJECTION: forcing a failure. [ 36.820009] name failslab, interval 1, probability 0, space 0, times 0 [ 36.823361] should_failslab+0xd6/0x130 [ 36.838528] kmem_cache_alloc+0x28e/0x3c0 [ 36.842717] alloc_inode+0xa0/0x170 [ 36.846378] new_inode_pseudo+0x14/0xe0 [ 36.850369] create_pipe_files+0x84/0x880 [ 36.854684] ? pipe_release+0x300/0x300 [ 36.858707] ? vfs_write+0x319/0x4d0 [ 36.862428] ? do_pipe_flags+0x160/0x160 [ 36.866533] SyS_pipe2+0x76/0x160 [ 36.870450] ? do_pipe_flags+0x160/0x160 [ 36.874532] ? SyS_read+0x210/0x210 [ 36.878175] ? __do_page_fault+0x159/0xad0 [ 36.882424] ? do_syscall_64+0x4c/0x640 [ 36.886409] ? do_pipe_flags+0x160/0x160 [ 36.890482] do_syscall_64+0x1d5/0x640 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 36.894397] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.899593] RIP: 0033:0x449679 [ 36.902788] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 36.910529] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 36.917829] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 36.925112] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 36.932427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000008ce2 [ 36.939743] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 36.947077] CPU: 1 PID: 8151 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 36.954045] FAULT_INJECTION: forcing a failure. [ 36.954045] name failslab, interval 1, probability 0, space 0, times 0 [ 36.954960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.954968] Call Trace: [ 36.954982] dump_stack+0x1b2/0x281 [ 36.981686] should_fail.cold+0x10a/0x149 [ 36.985832] should_failslab+0xd6/0x130 [ 36.989787] kmem_cache_alloc+0x28e/0x3c0 [ 36.993919] alloc_inode+0xa0/0x170 [ 36.997527] new_inode_pseudo+0x14/0xe0 [ 37.001668] create_pipe_files+0x84/0x880 [ 37.005805] ? pipe_release+0x300/0x300 [ 37.009804] ? vfs_write+0x319/0x4d0 [ 37.013495] ? do_pipe_flags+0x160/0x160 [ 37.017539] SyS_pipe2+0x76/0x160 [ 37.020983] ? do_pipe_flags+0x160/0x160 [ 37.025034] ? SyS_read+0x210/0x210 [ 37.028646] ? __do_page_fault+0x159/0xad0 [ 37.032863] ? do_syscall_64+0x4c/0x640 [ 37.036843] ? do_pipe_flags+0x160/0x160 [ 37.040889] do_syscall_64+0x1d5/0x640 [ 37.044770] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.050033] RIP: 0033:0x449679 [ 37.053203] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 37.060891] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 37.068148] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 37.075406] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 37.082688] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000008eb9 [ 37.089952] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 37.097217] CPU: 0 PID: 8152 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 37.105159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.114555] Call Trace: [ 37.117186] dump_stack+0x1b2/0x281 [ 37.120890] should_fail.cold+0x10a/0x149 [ 37.125111] should_failslab+0xd6/0x130 [ 37.129156] kmem_cache_alloc+0x28e/0x3c0 [ 37.133367] alloc_inode+0xa0/0x170 [ 37.137044] new_inode_pseudo+0x14/0xe0 [ 37.141072] create_pipe_files+0x84/0x880 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 37.145288] ? pipe_release+0x300/0x300 [ 37.149363] ? vfs_write+0x319/0x4d0 [ 37.153119] ? do_pipe_flags+0x160/0x160 [ 37.157270] SyS_pipe2+0x76/0x160 [ 37.160814] ? do_pipe_flags+0x160/0x160 [ 37.165055] ? SyS_read+0x210/0x210 [ 37.168703] ? __do_page_fault+0x159/0xad0 [ 37.169082] FAULT_INJECTION: forcing a failure. [ 37.169082] name failslab, interval 1, probability 0, space 0, times 0 [ 37.172956] ? do_syscall_64+0x4c/0x640 [ 37.172983] ? do_pipe_flags+0x160/0x160 [ 37.192218] do_syscall_64+0x1d5/0x640 [ 37.196142] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.201339] RIP: 0033:0x449679 [ 37.204547] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 37.212277] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 37.219578] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 37.226871] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 37.234177] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000008e10 [ 37.241465] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 37.248839] CPU: 1 PID: 8172 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 37.253976] FAULT_INJECTION: forcing a failure. [ 37.253976] name failslab, interval 1, probability 0, space 0, times 0 [ 37.256735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.256739] Call Trace: [ 37.256754] dump_stack+0x1b2/0x281 [ 37.256773] should_fail.cold+0x10a/0x149 [ 37.256787] should_failslab+0xd6/0x130 [ 37.256799] kmem_cache_alloc+0x28e/0x3c0 [ 37.256811] alloc_inode+0xa0/0x170 [ 37.256819] new_inode_pseudo+0x14/0xe0 [ 37.256834] create_pipe_files+0x84/0x880 [ 37.307406] ? pipe_release+0x300/0x300 [ 37.311361] ? vfs_write+0x319/0x4d0 [ 37.315051] ? do_pipe_flags+0x160/0x160 [ 37.319094] SyS_pipe2+0x76/0x160 [ 37.322536] ? do_pipe_flags+0x160/0x160 [ 37.326582] ? SyS_read+0x210/0x210 [ 37.330188] ? __do_page_fault+0x159/0xad0 [ 37.334403] ? do_syscall_64+0x4c/0x640 [ 37.338361] ? do_pipe_flags+0x160/0x160 [ 37.342405] do_syscall_64+0x1d5/0x640 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 37.346292] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.351460] RIP: 0033:0x449679 [ 37.354630] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 37.362340] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 37.369769] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 37.377020] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 37.384275] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000008fe7 [ 37.391531] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 37.398797] CPU: 0 PID: 8153 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 37.406719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.410955] FAULT_INJECTION: forcing a failure. [ 37.410955] name failslab, interval 1, probability 0, space 0, times 0 [ 37.416107] Call Trace: [ 37.416143] dump_stack+0x1b2/0x281 [ 37.433625] should_fail.cold+0x10a/0x149 [ 37.437822] should_failslab+0xd6/0x130 [ 37.441813] kmem_cache_alloc+0x28e/0x3c0 [ 37.445995] alloc_inode+0xa0/0x170 [ 37.449637] new_inode_pseudo+0x14/0xe0 [ 37.453627] create_pipe_files+0x84/0x880 [ 37.457840] ? pipe_release+0x300/0x300 [ 37.461830] ? vfs_write+0x319/0x4d0 [ 37.465560] ? do_pipe_flags+0x160/0x160 [ 37.469643] SyS_pipe2+0x76/0x160 [ 37.473129] ? do_pipe_flags+0x160/0x160 [ 37.477219] ? SyS_read+0x210/0x210 [ 37.480896] ? __do_page_fault+0x159/0xad0 [ 37.485172] ? do_syscall_64+0x4c/0x640 [ 37.489169] ? do_pipe_flags+0x160/0x160 [ 37.493241] do_syscall_64+0x1d5/0x640 [ 37.497169] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.502391] RIP: 0033:0x449679 [ 37.505584] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 37.513310] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 37.520588] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 37.527873] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 37.535179] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc2d3eb224 [ 37.542645] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 0000000000400488 [ 37.549979] CPU: 1 PID: 8173 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 37.557866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.558818] FAULT_INJECTION: forcing a failure. [ 37.558818] name failslab, interval 1, probability 0, space 0, times 0 [ 37.567219] Call Trace: [ 37.567235] dump_stack+0x1b2/0x281 [ 37.567250] should_fail.cold+0x10a/0x149 [ 37.567262] should_failslab+0xd6/0x130 [ 37.567273] kmem_cache_alloc+0x28e/0x3c0 [ 37.567286] alloc_inode+0xa0/0x170 [ 37.567295] new_inode_pseudo+0x14/0xe0 [ 37.567305] create_pipe_files+0x84/0x880 [ 37.567315] ? pipe_release+0x300/0x300 [ 37.567327] ? vfs_write+0x319/0x4d0 [ 37.616173] ? do_pipe_flags+0x160/0x160 [ 37.620214] SyS_pipe2+0x76/0x160 [ 37.623663] ? do_pipe_flags+0x160/0x160 [ 37.627712] ? SyS_read+0x210/0x210 [ 37.631326] ? __do_page_fault+0x159/0xad0 [ 37.635541] ? do_syscall_64+0x4c/0x640 [ 37.639509] ? do_pipe_flags+0x160/0x160 [ 37.643552] do_syscall_64+0x1d5/0x640 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 37.647440] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.652611] RIP: 0033:0x449679 [ 37.655780] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 37.663469] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 37.670720] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 37.677980] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 37.685247] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000008f3d [ 37.692497] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 37.699763] CPU: 0 PID: 8174 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 37.707687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.717095] Call Trace: [ 37.719757] dump_stack+0x1b2/0x281 [ 37.723457] should_fail.cold+0x10a/0x149 [ 37.727669] should_failslab+0xd6/0x130 [ 37.730387] FAULT_INJECTION: forcing a failure. [ 37.730387] name failslab, interval 1, probability 0, space 0, times 0 [ 37.731692] kmem_cache_alloc+0x28e/0x3c0 [ 37.747057] alloc_inode+0xa0/0x170 executing program [ 37.750711] new_inode_pseudo+0x14/0xe0 [ 37.754706] create_pipe_files+0x84/0x880 [ 37.758877] ? pipe_release+0x300/0x300 [ 37.762866] ? vfs_write+0x319/0x4d0 [ 37.766595] ? do_pipe_flags+0x160/0x160 [ 37.770673] SyS_pipe2+0x76/0x160 [ 37.774140] ? do_pipe_flags+0x160/0x160 [ 37.778209] ? SyS_read+0x210/0x210 [ 37.781869] ? __do_page_fault+0x159/0xad0 [ 37.786141] ? do_syscall_64+0x4c/0x640 [ 37.790134] ? do_pipe_flags+0x160/0x160 [ 37.794212] do_syscall_64+0x1d5/0x640 executing program [ 37.798134] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.803328] RIP: 0033:0x449679 [ 37.806521] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 37.814264] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 37.821562] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 37.828849] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 37.831157] FAULT_INJECTION: forcing a failure. [ 37.831157] name failslab, interval 1, probability 0, space 0, times 0 [ 37.836161] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000906b [ 37.836185] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 37.862086] CPU: 1 PID: 8176 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 37.869985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.871055] FAULT_INJECTION: forcing a failure. [ 37.871055] name failslab, interval 1, probability 0, space 0, times 0 [ 37.879349] Call Trace: [ 37.879368] dump_stack+0x1b2/0x281 [ 37.879383] should_fail.cold+0x10a/0x149 [ 37.879396] should_failslab+0xd6/0x130 [ 37.879407] kmem_cache_alloc+0x28e/0x3c0 [ 37.879420] alloc_inode+0xa0/0x170 [ 37.879429] new_inode_pseudo+0x14/0xe0 [ 37.879439] create_pipe_files+0x84/0x880 [ 37.879449] ? pipe_release+0x300/0x300 [ 37.879459] ? vfs_write+0x319/0x4d0 [ 37.879465] ? do_pipe_flags+0x160/0x160 [ 37.879474] SyS_pipe2+0x76/0x160 [ 37.879482] ? do_pipe_flags+0x160/0x160 [ 37.879489] ? SyS_read+0x210/0x210 [ 37.879498] ? __do_page_fault+0x159/0xad0 [ 37.879534] ? do_syscall_64+0x4c/0x640 [ 37.879546] ? do_pipe_flags+0x160/0x160 [ 37.956248] do_syscall_64+0x1d5/0x640 [ 37.960125] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.965411] RIP: 0033:0x449679 [ 37.968600] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 37.976288] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 37.983556] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 37.990812] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 37.998070] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009145 [ 38.005322] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 38.012626] CPU: 0 PID: 8177 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 38.020554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.029921] Call Trace: [ 38.032528] dump_stack+0x1b2/0x281 [ 38.036216] should_fail.cold+0x10a/0x149 [ 38.040407] should_failslab+0xd6/0x130 [ 38.044402] kmem_cache_alloc+0x28e/0x3c0 [ 38.048702] alloc_inode+0xa0/0x170 [ 38.052359] new_inode_pseudo+0x14/0xe0 [ 38.056356] create_pipe_files+0x84/0x880 [ 38.060525] ? pipe_release+0x300/0x300 [ 38.064518] ? vfs_write+0x319/0x4d0 [ 38.068239] ? do_pipe_flags+0x160/0x160 [ 38.072316] SyS_pipe2+0x76/0x160 [ 38.075781] ? do_pipe_flags+0x160/0x160 [ 38.079851] ? SyS_read+0x210/0x210 [ 38.083483] ? __do_page_fault+0x159/0xad0 [ 38.087728] ? do_syscall_64+0x4c/0x640 [ 38.091762] ? do_pipe_flags+0x160/0x160 [ 38.095983] do_syscall_64+0x1d5/0x640 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 38.099910] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.105109] RIP: 0033:0x449679 [ 38.108306] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 38.116039] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 38.123318] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 38.130618] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 38.137898] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000091ae [ 38.145189] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 38.152560] CPU: 1 PID: 8175 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 38.160455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.169818] Call Trace: [ 38.172411] dump_stack+0x1b2/0x281 [ 38.176044] should_fail.cold+0x10a/0x149 [ 38.177624] FAULT_INJECTION: forcing a failure. [ 38.177624] name failslab, interval 1, probability 0, space 0, times 0 [ 38.180192] should_failslab+0xd6/0x130 [ 38.180204] kmem_cache_alloc+0x28e/0x3c0 [ 38.180216] alloc_inode+0xa0/0x170 [ 38.180224] new_inode_pseudo+0x14/0xe0 [ 38.180234] create_pipe_files+0x84/0x880 [ 38.180245] ? pipe_release+0x300/0x300 [ 38.180255] ? vfs_write+0x319/0x4d0 [ 38.180262] ? do_pipe_flags+0x160/0x160 [ 38.180272] SyS_pipe2+0x76/0x160 [ 38.180281] ? do_pipe_flags+0x160/0x160 [ 38.180288] ? SyS_read+0x210/0x210 [ 38.180296] ? __do_page_fault+0x159/0xad0 [ 38.180305] ? do_syscall_64+0x4c/0x640 [ 38.180316] ? do_pipe_flags+0x160/0x160 [ 38.193913] FAULT_INJECTION: forcing a failure. [ 38.193913] name failslab, interval 1, probability 0, space 0, times 0 [ 38.195461] do_syscall_64+0x1d5/0x640 [ 38.195479] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.195493] RIP: 0033:0x449679 [ 38.195498] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 38.195507] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 38.195512] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 38.195517] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 38.195521] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000910c [ 38.195526] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 38.205829] FAULT_INJECTION: forcing a failure. [ 38.205829] name failslab, interval 1, probability 0, space 0, times 0 [ 38.218991] CPU: 0 PID: 8178 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 38.224620] FAULT_INJECTION: forcing a failure. [ 38.224620] name failslab, interval 1, probability 0, space 0, times 0 [ 38.227355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.227370] Call Trace: [ 38.358440] dump_stack+0x1b2/0x281 [ 38.362101] should_fail.cold+0x10a/0x149 [ 38.366274] should_failslab+0xd6/0x130 [ 38.370261] kmem_cache_alloc+0x28e/0x3c0 [ 38.374429] alloc_inode+0xa0/0x170 [ 38.378091] new_inode_pseudo+0x14/0xe0 [ 38.382082] create_pipe_files+0x84/0x880 [ 38.386247] ? pipe_release+0x300/0x300 [ 38.390238] ? vfs_write+0x319/0x4d0 [ 38.393992] ? do_pipe_flags+0x160/0x160 [ 38.398073] SyS_pipe2+0x76/0x160 executing program [ 38.401554] ? do_pipe_flags+0x160/0x160 [ 38.405650] ? SyS_read+0x210/0x210 [ 38.409290] ? __do_page_fault+0x159/0xad0 [ 38.413559] ? do_syscall_64+0x4c/0x640 [ 38.417586] ? do_pipe_flags+0x160/0x160 [ 38.421672] do_syscall_64+0x1d5/0x640 [ 38.425609] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.430818] RIP: 0033:0x449679 [ 38.434049] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 38.441796] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 38.449082] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 38.456401] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 38.463913] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000092ca [ 38.471263] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 38.478608] CPU: 1 PID: 8179 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 38.486537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.495888] Call Trace: [ 38.498473] dump_stack+0x1b2/0x281 [ 38.502109] should_fail.cold+0x10a/0x149 [ 38.504226] FAULT_INJECTION: forcing a failure. [ 38.504226] name failslab, interval 1, probability 0, space 0, times 0 [ 38.506262] should_failslab+0xd6/0x130 [ 38.506275] kmem_cache_alloc+0x28e/0x3c0 [ 38.506288] alloc_inode+0xa0/0x170 [ 38.506298] new_inode_pseudo+0x14/0xe0 [ 38.506308] create_pipe_files+0x84/0x880 [ 38.506319] ? pipe_release+0x300/0x300 [ 38.506327] ? vfs_write+0x319/0x4d0 [ 38.506338] ? do_pipe_flags+0x160/0x160 [ 38.549088] SyS_pipe2+0x76/0x160 [ 38.552540] ? do_pipe_flags+0x160/0x160 [ 38.556590] ? SyS_read+0x210/0x210 [ 38.560197] ? __do_page_fault+0x159/0xad0 [ 38.564438] ? do_syscall_64+0x4c/0x640 [ 38.568394] ? do_pipe_flags+0x160/0x160 [ 38.572436] do_syscall_64+0x1d5/0x640 [ 38.576312] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.581509] RIP: 0033:0x449679 [ 38.584678] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 38.592376] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 38.599628] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 38.606880] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 38.614137] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000093ff [ 38.621400] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 38.628686] CPU: 0 PID: 8183 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 38.636656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.646041] Call Trace: [ 38.648676] dump_stack+0x1b2/0x281 [ 38.652350] should_fail.cold+0x10a/0x149 [ 38.656524] should_failslab+0xd6/0x130 [ 38.660520] kmem_cache_alloc+0x28e/0x3c0 [ 38.664715] alloc_inode+0xa0/0x170 [ 38.668379] new_inode_pseudo+0x14/0xe0 [ 38.672370] create_pipe_files+0x84/0x880 [ 38.676538] ? pipe_release+0x300/0x300 [ 38.680528] ? vfs_write+0x319/0x4d0 [ 38.684266] ? do_pipe_flags+0x160/0x160 [ 38.688345] SyS_pipe2+0x76/0x160 [ 38.691899] ? do_pipe_flags+0x160/0x160 [ 38.695997] ? SyS_read+0x210/0x210 [ 38.699662] ? __do_page_fault+0x159/0xad0 [ 38.703917] ? do_syscall_64+0x4c/0x640 [ 38.707905] ? do_pipe_flags+0x160/0x160 [ 38.712238] do_syscall_64+0x1d5/0x640 [ 38.716176] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.721401] RIP: 0033:0x449679 [ 38.724597] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 38.732330] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 38.739615] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 38.746914] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 38.754233] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009532 [ 38.761541] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 38.768907] CPU: 1 PID: 8180 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 38.776800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.786159] Call Trace: [ 38.788751] dump_stack+0x1b2/0x281 [ 38.792373] should_fail.cold+0x10a/0x149 [ 38.796512] should_failslab+0xd6/0x130 [ 38.800476] kmem_cache_alloc+0x28e/0x3c0 [ 38.804607] alloc_inode+0xa0/0x170 [ 38.808218] new_inode_pseudo+0x14/0xe0 [ 38.812184] create_pipe_files+0x84/0x880 [ 38.816318] ? pipe_release+0x300/0x300 [ 38.820276] ? vfs_write+0x319/0x4d0 [ 38.823974] ? do_pipe_flags+0x160/0x160 [ 38.828037] SyS_pipe2+0x76/0x160 [ 38.831492] ? do_pipe_flags+0x160/0x160 [ 38.835557] ? SyS_read+0x210/0x210 [ 38.839176] ? __do_page_fault+0x159/0xad0 [ 38.843406] ? do_syscall_64+0x4c/0x640 [ 38.847385] ? do_pipe_flags+0x160/0x160 [ 38.851450] do_syscall_64+0x1d5/0x640 [ 38.855340] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.860512] RIP: 0033:0x449679 [ 38.863689] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 38.871413] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 38.878805] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 38.886086] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 38.893343] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009375 [ 38.900613] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 38.907882] CPU: 0 PID: 8182 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 38.914922] FAULT_INJECTION: forcing a failure. [ 38.914922] name failslab, interval 1, probability 0, space 0, times 0 [ 38.915791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.915805] Call Trace: [ 38.915829] dump_stack+0x1b2/0x281 [ 38.942597] should_fail.cold+0x10a/0x149 [ 38.946816] should_failslab+0xd6/0x130 [ 38.950830] kmem_cache_alloc+0x28e/0x3c0 [ 38.955023] alloc_inode+0xa0/0x170 [ 38.958668] new_inode_pseudo+0x14/0xe0 [ 38.962657] create_pipe_files+0x84/0x880 [ 38.966841] ? pipe_release+0x300/0x300 [ 38.970836] ? vfs_write+0x319/0x4d0 [ 38.974555] ? do_pipe_flags+0x160/0x160 [ 38.978643] SyS_pipe2+0x76/0x160 [ 38.982108] ? do_pipe_flags+0x160/0x160 [ 38.986180] ? SyS_read+0x210/0x210 [ 38.989831] ? __do_page_fault+0x159/0xad0 [ 38.994077] ? do_syscall_64+0x4c/0x640 [ 38.998080] ? do_pipe_flags+0x160/0x160 [ 39.002179] do_syscall_64+0x1d5/0x640 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 39.006126] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.011333] RIP: 0033:0x449679 [ 39.014538] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 39.022364] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 39.029658] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 39.036940] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 39.044340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009364 [ 39.051918] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 39.059698] CPU: 1 PID: 8185 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 39.067599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.073635] FAULT_INJECTION: forcing a failure. [ 39.073635] name failslab, interval 1, probability 0, space 0, times 0 [ 39.076951] Call Trace: [ 39.076970] dump_stack+0x1b2/0x281 [ 39.094352] should_fail.cold+0x10a/0x149 [ 39.098497] should_failslab+0xd6/0x130 [ 39.102473] kmem_cache_alloc+0x28e/0x3c0 [ 39.106731] alloc_inode+0xa0/0x170 [ 39.110341] new_inode_pseudo+0x14/0xe0 [ 39.114298] create_pipe_files+0x84/0x880 [ 39.118452] ? pipe_release+0x300/0x300 [ 39.122414] ? vfs_write+0x319/0x4d0 [ 39.126108] ? do_pipe_flags+0x160/0x160 [ 39.130156] SyS_pipe2+0x76/0x160 [ 39.133591] ? do_pipe_flags+0x160/0x160 [ 39.137652] ? SyS_read+0x210/0x210 [ 39.141261] ? __do_page_fault+0x159/0xad0 [ 39.145481] ? do_syscall_64+0x4c/0x640 [ 39.149454] ? do_pipe_flags+0x160/0x160 [ 39.153499] do_syscall_64+0x1d5/0x640 [ 39.157376] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.162550] RIP: 0033:0x449679 [ 39.165722] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 39.173499] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 39.180753] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 39.188006] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 39.195291] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000954e [ 39.202541] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 39.219275] CPU: 0 PID: 8186 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 39.222579] FAULT_INJECTION: forcing a failure. [ 39.222579] name failslab, interval 1, probability 0, space 0, times 0 [ 39.227210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.227224] Call Trace: [ 39.227248] dump_stack+0x1b2/0x281 [ 39.254034] should_fail.cold+0x10a/0x149 [ 39.258209] should_failslab+0xd6/0x130 [ 39.262301] kmem_cache_alloc+0x28e/0x3c0 [ 39.266497] alloc_inode+0xa0/0x170 [ 39.270162] new_inode_pseudo+0x14/0xe0 [ 39.274160] create_pipe_files+0x84/0x880 [ 39.278330] ? pipe_release+0x300/0x300 [ 39.282319] ? vfs_write+0x319/0x4d0 [ 39.286038] ? do_pipe_flags+0x160/0x160 [ 39.290122] SyS_pipe2+0x76/0x160 [ 39.293587] ? do_pipe_flags+0x160/0x160 [ 39.297677] ? SyS_read+0x210/0x210 [ 39.301318] ? __do_page_fault+0x159/0xad0 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program [ 39.305564] ? do_syscall_64+0x4c/0x640 [ 39.309570] ? do_pipe_flags+0x160/0x160 [ 39.313661] do_syscall_64+0x1d5/0x640 [ 39.317617] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.322824] RIP: 0033:0x449679 [ 39.326034] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 39.333766] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 39.341057] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 39.348358] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 39.355670] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009536 [ 39.363442] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 39.370865] CPU: 1 PID: 8188 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 39.378768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.379625] FAULT_INJECTION: forcing a failure. [ 39.379625] name failslab, interval 1, probability 0, space 0, times 0 [ 39.388122] Call Trace: [ 39.388138] dump_stack+0x1b2/0x281 [ 39.388154] should_fail.cold+0x10a/0x149 [ 39.388167] should_failslab+0xd6/0x130 [ 39.388178] kmem_cache_alloc+0x28e/0x3c0 [ 39.388191] alloc_inode+0xa0/0x170 [ 39.388200] new_inode_pseudo+0x14/0xe0 [ 39.388210] create_pipe_files+0x84/0x880 [ 39.388221] ? pipe_release+0x300/0x300 [ 39.388229] ? vfs_write+0x319/0x4d0 [ 39.388235] ? do_pipe_flags+0x160/0x160 [ 39.388244] SyS_pipe2+0x76/0x160 [ 39.388253] ? do_pipe_flags+0x160/0x160 [ 39.388260] ? SyS_read+0x210/0x210 [ 39.388269] ? __do_page_fault+0x159/0xad0 [ 39.388276] ? do_syscall_64+0x4c/0x640 [ 39.388288] ? do_pipe_flags+0x160/0x160 [ 39.400996] FAULT_INJECTION: forcing a failure. [ 39.400996] name failslab, interval 1, probability 0, space 0, times 0 [ 39.402044] do_syscall_64+0x1d5/0x640 [ 39.402061] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.402069] RIP: 0033:0x449679 [ 39.402073] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 39.402083] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 39.402088] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 39.402093] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 39.402098] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc2d3eb224 [ 39.402103] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 0000000000400488 [ 39.422640] FAULT_INJECTION: forcing a failure. [ 39.422640] name failslab, interval 1, probability 0, space 0, times 0 [ 39.426558] CPU: 0 PID: 8190 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 39.432312] FAULT_INJECTION: forcing a failure. [ 39.432312] name failslab, interval 1, probability 0, space 0, times 0 [ 39.434321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.434334] Call Trace: [ 39.434362] dump_stack+0x1b2/0x281 [ 39.579292] should_fail.cold+0x10a/0x149 [ 39.583482] should_failslab+0xd6/0x130 [ 39.587664] kmem_cache_alloc+0x28e/0x3c0 [ 39.591834] alloc_inode+0xa0/0x170 [ 39.595487] new_inode_pseudo+0x14/0xe0 [ 39.599476] create_pipe_files+0x84/0x880 [ 39.603647] ? pipe_release+0x300/0x300 [ 39.607634] ? vfs_write+0x319/0x4d0 [ 39.611353] ? do_pipe_flags+0x160/0x160 [ 39.615471] SyS_pipe2+0x76/0x160 [ 39.618962] ? do_pipe_flags+0x160/0x160 [ 39.623029] ? SyS_read+0x210/0x210 [ 39.626672] ? __do_page_fault+0x159/0xad0 [ 39.631006] ? do_syscall_64+0x4c/0x640 [ 39.635106] ? do_pipe_flags+0x160/0x160 [ 39.639197] do_syscall_64+0x1d5/0x640 [ 39.643119] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.648325] RIP: 0033:0x449679 [ 39.651555] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 39.659331] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 39.667681] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 39.675004] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 39.682401] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009675 [ 39.689766] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 39.697101] CPU: 1 PID: 8192 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 39.697602] WARNING: can't dereference registers at ffffffff87201d66 for ip apic_timer_interrupt+0x93/0xa0 [ 39.706544] FAULT_INJECTION: forcing a failure. [ 39.706544] name failslab, interval 1, probability 0, space 0, times 0 [ 39.706810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.706817] Call Trace: [ 39.706831] dump_stack+0x1b2/0x281 [ 39.743275] should_fail.cold+0x10a/0x149 [ 39.747412] should_failslab+0xd6/0x130 [ 39.751375] kmem_cache_alloc+0x28e/0x3c0 [ 39.755515] alloc_inode+0xa0/0x170 [ 39.759155] new_inode_pseudo+0x14/0xe0 [ 39.763132] create_pipe_files+0x84/0x880 [ 39.767261] ? pipe_release+0x300/0x300 [ 39.771221] ? vfs_write+0x319/0x4d0 [ 39.774925] ? do_pipe_flags+0x160/0x160 [ 39.778975] SyS_pipe2+0x76/0x160 [ 39.782428] ? do_pipe_flags+0x160/0x160 [ 39.786471] ? SyS_read+0x210/0x210 [ 39.790083] ? __do_page_fault+0x159/0xad0 [ 39.794313] ? do_syscall_64+0x4c/0x640 [ 39.798272] ? do_pipe_flags+0x160/0x160 [ 39.802318] do_syscall_64+0x1d5/0x640 [ 39.806200] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.811370] RIP: 0033:0x449679 [ 39.814561] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 39.822266] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 39.829514] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 39.836782] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 39.844033] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009948 [ 39.851284] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 39.858578] CPU: 0 PID: 8193 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 39.866514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.875948] Call Trace: [ 39.878619] dump_stack+0x1b2/0x281 [ 39.882330] should_fail.cold+0x10a/0x149 [ 39.886593] should_failslab+0xd6/0x130 [ 39.890612] kmem_cache_alloc+0x28e/0x3c0 [ 39.894801] alloc_inode+0xa0/0x170 [ 39.898460] new_inode_pseudo+0x14/0xe0 [ 39.902485] create_pipe_files+0x84/0x880 [ 39.906670] ? pipe_release+0x300/0x300 [ 39.910668] ? vfs_write+0x319/0x4d0 [ 39.914393] ? do_pipe_flags+0x160/0x160 [ 39.918494] SyS_pipe2+0x76/0x160 [ 39.921975] ? do_pipe_flags+0x160/0x160 [ 39.926155] ? SyS_read+0x210/0x210 [ 39.929815] ? __do_page_fault+0x159/0xad0 [ 39.934076] ? do_syscall_64+0x4c/0x640 [ 39.938064] ? do_pipe_flags+0x160/0x160 [ 39.942151] do_syscall_64+0x1d5/0x640 [ 39.946090] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.951294] RIP: 0033:0x449679 executing program [ 39.954493] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 39.962224] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 39.969509] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 39.976802] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 39.984110] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000098ad [ 39.991521] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 39.998894] CPU: 1 PID: 8187 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 40.006794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.008215] FAULT_INJECTION: forcing a failure. [ 40.008215] name failslab, interval 1, probability 0, space 0, times 0 [ 40.016140] Call Trace: [ 40.016156] dump_stack+0x1b2/0x281 [ 40.016172] should_fail.cold+0x10a/0x149 [ 40.016185] should_failslab+0xd6/0x130 [ 40.016197] kmem_cache_alloc+0x28e/0x3c0 [ 40.016209] alloc_inode+0xa0/0x170 [ 40.016218] new_inode_pseudo+0x14/0xe0 [ 40.016230] create_pipe_files+0x84/0x880 [ 40.058360] ? pipe_release+0x300/0x300 [ 40.062331] ? vfs_write+0x319/0x4d0 [ 40.066037] ? do_pipe_flags+0x160/0x160 [ 40.070086] SyS_pipe2+0x76/0x160 [ 40.073545] ? do_pipe_flags+0x160/0x160 [ 40.077609] ? SyS_read+0x210/0x210 [ 40.081218] ? __do_page_fault+0x159/0xad0 [ 40.085434] ? do_syscall_64+0x4c/0x640 [ 40.089388] ? do_pipe_flags+0x160/0x160 [ 40.093429] do_syscall_64+0x1d5/0x640 [ 40.097315] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.102486] RIP: 0033:0x449679 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 40.105655] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 40.113344] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 40.120608] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 40.127864] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 40.135132] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009552 [ 40.142400] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 40.151292] CPU: 1 PID: 8191 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 40.159367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.165244] FAULT_INJECTION: forcing a failure. [ 40.165244] name failslab, interval 1, probability 0, space 0, times 0 [ 40.168712] Call Trace: [ 40.168729] dump_stack+0x1b2/0x281 [ 40.168744] should_fail.cold+0x10a/0x149 [ 40.168758] should_failslab+0xd6/0x130 [ 40.168770] kmem_cache_alloc+0x28e/0x3c0 [ 40.168783] alloc_inode+0xa0/0x170 [ 40.168792] new_inode_pseudo+0x14/0xe0 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 40.168801] create_pipe_files+0x84/0x880 [ 40.168810] ? pipe_release+0x300/0x300 [ 40.168820] ? vfs_write+0x319/0x4d0 [ 40.168827] ? do_pipe_flags+0x160/0x160 [ 40.168835] SyS_pipe2+0x76/0x160 [ 40.168843] ? do_pipe_flags+0x160/0x160 [ 40.168850] ? SyS_read+0x210/0x210 [ 40.168859] ? __do_page_fault+0x159/0xad0 [ 40.168868] ? do_syscall_64+0x4c/0x640 [ 40.168877] ? do_pipe_flags+0x160/0x160 [ 40.168885] do_syscall_64+0x1d5/0x640 [ 40.168906] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.168914] RIP: 0033:0x449679 [ 40.168919] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 40.168929] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 40.168933] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 40.168938] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 40.168943] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009817 [ 40.168948] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 40.180030] FAULT_INJECTION: forcing a failure. [ 40.180030] name failslab, interval 1, probability 0, space 0, times 0 [ 40.185043] CPU: 0 PID: 8194 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 40.188962] FAULT_INJECTION: forcing a failure. [ 40.188962] name failslab, interval 1, probability 0, space 0, times 0 [ 40.190816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.190831] Call Trace: [ 40.190860] dump_stack+0x1b2/0x281 [ 40.285990] FAULT_INJECTION: forcing a failure. [ 40.285990] name failslab, interval 1, probability 0, space 0, times 0 [ 40.290048] should_fail.cold+0x10a/0x149 [ 40.290087] should_failslab+0xd6/0x130 [ 40.290116] kmem_cache_alloc+0x28e/0x3c0 [ 40.290149] alloc_inode+0xa0/0x170 [ 40.378134] new_inode_pseudo+0x14/0xe0 [ 40.382167] create_pipe_files+0x84/0x880 [ 40.386347] ? pipe_release+0x300/0x300 [ 40.390357] ? vfs_write+0x319/0x4d0 [ 40.394084] ? do_pipe_flags+0x160/0x160 [ 40.398173] SyS_pipe2+0x76/0x160 [ 40.401657] ? do_pipe_flags+0x160/0x160 [ 40.405760] ? SyS_read+0x210/0x210 [ 40.409548] ? __do_page_fault+0x159/0xad0 [ 40.413898] ? do_syscall_64+0x4c/0x640 [ 40.417887] ? do_pipe_flags+0x160/0x160 [ 40.422000] do_syscall_64+0x1d5/0x640 [ 40.425952] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.431167] RIP: 0033:0x449679 [ 40.434365] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 40.442099] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 40.449411] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 40.456788] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 40.464853] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000099e4 [ 40.472148] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 40.479532] CPU: 1 PID: 8197 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 40.487396] FAULT_INJECTION: forcing a failure. [ 40.487396] name failslab, interval 1, probability 0, space 0, times 0 [ 40.487422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.487429] Call Trace: [ 40.487443] dump_stack+0x1b2/0x281 [ 40.514141] should_fail.cold+0x10a/0x149 [ 40.518277] should_failslab+0xd6/0x130 [ 40.522238] kmem_cache_alloc+0x28e/0x3c0 [ 40.526369] alloc_inode+0xa0/0x170 [ 40.529994] new_inode_pseudo+0x14/0xe0 [ 40.534044] create_pipe_files+0x84/0x880 [ 40.538282] ? pipe_release+0x300/0x300 [ 40.542240] ? vfs_write+0x319/0x4d0 [ 40.545936] ? do_pipe_flags+0x160/0x160 [ 40.549988] SyS_pipe2+0x76/0x160 [ 40.553442] ? do_pipe_flags+0x160/0x160 [ 40.558276] ? SyS_read+0x210/0x210 executing program [ 40.562172] ? __do_page_fault+0x159/0xad0 [ 40.566407] ? do_syscall_64+0x4c/0x640 [ 40.570361] ? do_pipe_flags+0x160/0x160 [ 40.574402] do_syscall_64+0x1d5/0x640 [ 40.578277] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.583466] RIP: 0033:0x449679 [ 40.586644] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 40.594341] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 40.601608] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 40.608859] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 40.616112] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009a10 [ 40.623364] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 40.630633] CPU: 0 PID: 8199 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 40.638586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.647979] Call Trace: [ 40.650626] dump_stack+0x1b2/0x281 [ 40.654327] should_fail.cold+0x10a/0x149 [ 40.658534] should_failslab+0xd6/0x130 [ 40.662537] kmem_cache_alloc+0x28e/0x3c0 [ 40.666761] alloc_inode+0xa0/0x170 [ 40.670463] new_inode_pseudo+0x14/0xe0 [ 40.674500] create_pipe_files+0x84/0x880 [ 40.678702] ? pipe_release+0x300/0x300 [ 40.682696] ? vfs_write+0x319/0x4d0 [ 40.686438] ? do_pipe_flags+0x160/0x160 [ 40.690522] SyS_pipe2+0x76/0x160 [ 40.693989] ? do_pipe_flags+0x160/0x160 [ 40.698145] ? SyS_read+0x210/0x210 [ 40.701780] ? __do_page_fault+0x159/0xad0 [ 40.706025] ? do_syscall_64+0x4c/0x640 [ 40.710015] ? do_pipe_flags+0x160/0x160 [ 40.714104] do_syscall_64+0x1d5/0x640 [ 40.718067] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.723279] RIP: 0033:0x449679 [ 40.726483] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 40.734215] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 40.741495] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 40.748796] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 40.756079] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009943 [ 40.763365] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 40.770753] CPU: 1 PID: 8196 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 40.778643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.787992] Call Trace: [ 40.790566] dump_stack+0x1b2/0x281 [ 40.794207] should_fail.cold+0x10a/0x149 [ 40.798339] should_failslab+0xd6/0x130 [ 40.802296] kmem_cache_alloc+0x28e/0x3c0 [ 40.806433] alloc_inode+0xa0/0x170 [ 40.810050] new_inode_pseudo+0x14/0xe0 [ 40.814014] create_pipe_files+0x84/0x880 [ 40.818151] ? pipe_release+0x300/0x300 [ 40.822109] ? vfs_write+0x319/0x4d0 [ 40.825821] ? do_pipe_flags+0x160/0x160 [ 40.829862] SyS_pipe2+0x76/0x160 [ 40.833301] ? do_pipe_flags+0x160/0x160 [ 40.837354] ? SyS_read+0x210/0x210 [ 40.840970] ? __do_page_fault+0x159/0xad0 [ 40.845190] ? do_syscall_64+0x4c/0x640 [ 40.849153] ? do_pipe_flags+0x160/0x160 [ 40.853203] do_syscall_64+0x1d5/0x640 [ 40.857081] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.862257] RIP: 0033:0x449679 [ 40.865427] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 40.873120] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 40.880634] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 40.887885] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 40.896872] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc2d3eb224 [ 40.904122] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 0000000000400488 [ 40.911396] CPU: 0 PID: 8195 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 40.924797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.934217] Call Trace: [ 40.936858] dump_stack+0x1b2/0x281 [ 40.941497] should_fail.cold+0x10a/0x149 [ 40.946038] should_failslab+0xd6/0x130 [ 40.950049] kmem_cache_alloc+0x28e/0x3c0 [ 40.954410] alloc_inode+0xa0/0x170 [ 40.958585] new_inode_pseudo+0x14/0xe0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 40.962661] create_pipe_files+0x84/0x880 [ 40.967649] ? pipe_release+0x300/0x300 [ 40.971640] ? vfs_write+0x319/0x4d0 [ 40.975979] ? do_pipe_flags+0x160/0x160 [ 40.980074] SyS_pipe2+0x76/0x160 [ 40.983581] ? do_pipe_flags+0x160/0x160 [ 40.987668] ? SyS_read+0x210/0x210 [ 40.991311] ? __do_page_fault+0x159/0xad0 [ 40.995581] ? do_syscall_64+0x4c/0x640 [ 40.999580] ? do_pipe_flags+0x160/0x160 [ 41.003674] do_syscall_64+0x1d5/0x640 [ 41.010045] entry_SYSCALL_64_after_hwframe+0x46/0xbb write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 41.015260] RIP: 0033:0x449679 [ 41.018484] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 41.026292] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 41.033591] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 41.040905] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 41.048219] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009b2e [ 41.055534] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 41.062917] CPU: 1 PID: 8198 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 41.069423] FAULT_INJECTION: forcing a failure. [ 41.069423] name failslab, interval 1, probability 0, space 0, times 0 [ 41.070808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.070813] Call Trace: [ 41.070829] dump_stack+0x1b2/0x281 [ 41.070845] should_fail.cold+0x10a/0x149 [ 41.070860] should_failslab+0xd6/0x130 [ 41.070871] kmem_cache_alloc+0x28e/0x3c0 [ 41.070884] alloc_inode+0xa0/0x170 [ 41.070892] new_inode_pseudo+0x14/0xe0 [ 41.070905] create_pipe_files+0x84/0x880 [ 41.122030] ? pipe_release+0x300/0x300 [ 41.125987] ? vfs_write+0x319/0x4d0 [ 41.129692] ? do_pipe_flags+0x160/0x160 [ 41.133753] SyS_pipe2+0x76/0x160 [ 41.137202] ? do_pipe_flags+0x160/0x160 [ 41.141243] ? SyS_read+0x210/0x210 [ 41.144876] ? __do_page_fault+0x159/0xad0 [ 41.149097] ? do_syscall_64+0x4c/0x640 [ 41.153055] ? do_pipe_flags+0x160/0x160 [ 41.157095] do_syscall_64+0x1d5/0x640 [ 41.161003] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 41.166183] RIP: 0033:0x449679 [ 41.169371] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 41.177060] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 41.184312] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 41.191561] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 41.198825] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009a13 [ 41.206076] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 41.213345] CPU: 0 PID: 8200 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 41.221273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.228763] FAULT_INJECTION: forcing a failure. [ 41.228763] name failslab, interval 1, probability 0, space 0, times 0 [ 41.232944] Call Trace: [ 41.232970] dump_stack+0x1b2/0x281 [ 41.233013] should_fail.cold+0x10a/0x149 [ 41.254928] should_failslab+0xd6/0x130 [ 41.259008] kmem_cache_alloc+0x28e/0x3c0 [ 41.263185] alloc_inode+0xa0/0x170 [ 41.266859] new_inode_pseudo+0x14/0xe0 [ 41.270915] create_pipe_files+0x84/0x880 [ 41.273250] FAULT_INJECTION: forcing a failure. [ 41.273250] name failslab, interval 1, probability 0, space 0, times 0 [ 41.275131] ? pipe_release+0x300/0x300 [ 41.275160] ? vfs_write+0x319/0x4d0 [ 41.294064] ? do_pipe_flags+0x160/0x160 [ 41.298182] SyS_pipe2+0x76/0x160 [ 41.301655] ? do_pipe_flags+0x160/0x160 [ 41.305725] ? SyS_read+0x210/0x210 [ 41.309359] ? __do_page_fault+0x159/0xad0 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 41.313613] ? do_syscall_64+0x4c/0x640 [ 41.317601] ? do_pipe_flags+0x160/0x160 [ 41.321675] do_syscall_64+0x1d5/0x640 [ 41.325592] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.330792] RIP: 0033:0x449679 [ 41.333995] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 41.341773] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 41.349078] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 41.356369] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 executing program [ 41.363652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009d06 [ 41.370938] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 41.378296] CPU: 1 PID: 8203 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 41.383352] FAULT_INJECTION: forcing a failure. [ 41.383352] name failslab, interval 1, probability 0, space 0, times 0 [ 41.386176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.386181] Call Trace: [ 41.386196] dump_stack+0x1b2/0x281 [ 41.386212] should_fail.cold+0x10a/0x149 [ 41.386226] should_failslab+0xd6/0x130 [ 41.386237] kmem_cache_alloc+0x28e/0x3c0 [ 41.386249] alloc_inode+0xa0/0x170 [ 41.386261] new_inode_pseudo+0x14/0xe0 [ 41.408365] FAULT_INJECTION: forcing a failure. [ 41.408365] name failslab, interval 1, probability 0, space 0, times 0 [ 41.409348] create_pipe_files+0x84/0x880 [ 41.409374] ? pipe_release+0x300/0x300 [ 41.409384] ? vfs_write+0x319/0x4d0 [ 41.409391] ? do_pipe_flags+0x160/0x160 [ 41.409401] SyS_pipe2+0x76/0x160 [ 41.409409] ? do_pipe_flags+0x160/0x160 [ 41.409417] ? SyS_read+0x210/0x210 [ 41.409425] ? __do_page_fault+0x159/0xad0 [ 41.409434] ? do_syscall_64+0x4c/0x640 [ 41.478974] ? do_pipe_flags+0x160/0x160 [ 41.483118] do_syscall_64+0x1d5/0x640 [ 41.487000] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.492169] RIP: 0033:0x449679 [ 41.495359] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 41.503049] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 41.510300] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 41.517548] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 41.524797] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009d02 [ 41.532065] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 41.539334] CPU: 0 PID: 8204 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 41.547261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.556671] Call Trace: [ 41.559309] dump_stack+0x1b2/0x281 [ 41.563016] should_fail.cold+0x10a/0x149 [ 41.567204] should_failslab+0xd6/0x130 [ 41.571208] kmem_cache_alloc+0x28e/0x3c0 [ 41.575382] alloc_inode+0xa0/0x170 [ 41.579021] new_inode_pseudo+0x14/0xe0 [ 41.583007] create_pipe_files+0x84/0x880 [ 41.587171] ? pipe_release+0x300/0x300 [ 41.591186] ? vfs_write+0x319/0x4d0 [ 41.594944] ? do_pipe_flags+0x160/0x160 [ 41.599022] SyS_pipe2+0x76/0x160 [ 41.602485] ? do_pipe_flags+0x160/0x160 [ 41.606557] ? SyS_read+0x210/0x210 [ 41.610188] ? __do_page_fault+0x159/0xad0 [ 41.614430] ? do_syscall_64+0x4c/0x640 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 41.618425] ? do_pipe_flags+0x160/0x160 [ 41.622541] do_syscall_64+0x1d5/0x640 [ 41.626478] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.631773] RIP: 0033:0x449679 [ 41.634977] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 41.642738] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 41.646294] FAULT_INJECTION: forcing a failure. [ 41.646294] name failslab, interval 1, probability 0, space 0, times 0 [ 41.650039] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 41.650064] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 41.650084] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009cee [ 41.650102] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 41.652429] CPU: 0 PID: 8202 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 41.698346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.707722] Call Trace: [ 41.710344] dump_stack+0x1b2/0x281 [ 41.714003] should_fail.cold+0x10a/0x149 [ 41.718177] should_failslab+0xd6/0x130 [ 41.722164] kmem_cache_alloc+0x28e/0x3c0 [ 41.726332] alloc_inode+0xa0/0x170 [ 41.729987] new_inode_pseudo+0x14/0xe0 [ 41.733977] create_pipe_files+0x84/0x880 [ 41.738147] ? pipe_release+0x300/0x300 [ 41.742139] ? vfs_write+0x319/0x4d0 [ 41.745856] ? do_pipe_flags+0x160/0x160 [ 41.749956] SyS_pipe2+0x76/0x160 [ 41.753431] ? do_pipe_flags+0x160/0x160 [ 41.757515] ? SyS_read+0x210/0x210 [ 41.761175] ? __do_page_fault+0x159/0xad0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 41.765465] ? do_syscall_64+0x4c/0x640 [ 41.769478] ? do_pipe_flags+0x160/0x160 [ 41.773638] do_syscall_64+0x1d5/0x640 [ 41.777563] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.782784] RIP: 0033:0x449679 [ 41.785980] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 41.793710] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 41.800989] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 41.808264] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 41.815716] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009bd4 [ 41.823046] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 41.830428] CPU: 1 PID: 8205 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 41.838318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.847681] Call Trace: [ 41.850274] dump_stack+0x1b2/0x281 [ 41.852469] FAULT_INJECTION: forcing a failure. [ 41.852469] name failslab, interval 1, probability 0, space 0, times 0 [ 41.853907] should_fail.cold+0x10a/0x149 [ 41.853921] should_failslab+0xd6/0x130 [ 41.853933] kmem_cache_alloc+0x28e/0x3c0 [ 41.853945] alloc_inode+0xa0/0x170 [ 41.853955] new_inode_pseudo+0x14/0xe0 [ 41.853965] create_pipe_files+0x84/0x880 [ 41.853975] ? pipe_release+0x300/0x300 [ 41.853988] ? vfs_write+0x319/0x4d0 [ 41.896798] ? do_pipe_flags+0x160/0x160 [ 41.900846] SyS_pipe2+0x76/0x160 [ 41.904366] ? do_pipe_flags+0x160/0x160 [ 41.908407] ? SyS_read+0x210/0x210 [ 41.912125] ? __do_page_fault+0x159/0xad0 [ 41.916340] ? do_syscall_64+0x4c/0x640 [ 41.920298] ? do_pipe_flags+0x160/0x160 [ 41.924337] do_syscall_64+0x1d5/0x640 [ 41.928214] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.933385] RIP: 0033:0x449679 [ 41.936566] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 41.944256] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 41.951520] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 41.958775] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 41.966036] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009d09 [ 41.973288] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 41.980571] CPU: 0 PID: 8206 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 41.988588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.995120] FAULT_INJECTION: forcing a failure. [ 41.995120] name failslab, interval 1, probability 0, space 0, times 0 [ 41.997972] Call Trace: [ 41.998000] dump_stack+0x1b2/0x281 [ 41.998042] should_fail.cold+0x10a/0x149 [ 41.998082] should_failslab+0xd6/0x130 [ 42.025812] kmem_cache_alloc+0x28e/0x3c0 [ 42.030013] alloc_inode+0xa0/0x170 [ 42.033699] new_inode_pseudo+0x14/0xe0 [ 42.037710] create_pipe_files+0x84/0x880 [ 42.041908] ? pipe_release+0x300/0x300 [ 42.045908] ? vfs_write+0x319/0x4d0 [ 42.049661] ? do_pipe_flags+0x160/0x160 [ 42.053748] SyS_pipe2+0x76/0x160 [ 42.057363] ? do_pipe_flags+0x160/0x160 [ 42.061535] ? SyS_read+0x210/0x210 [ 42.065179] ? __do_page_fault+0x159/0xad0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program executing program [ 42.069455] ? do_syscall_64+0x4c/0x640 [ 42.073494] ? do_pipe_flags+0x160/0x160 [ 42.077573] do_syscall_64+0x1d5/0x640 [ 42.081513] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.086715] RIP: 0033:0x449679 [ 42.089921] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 42.097680] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 42.104958] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 42.112254] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 42.119585] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000a1d1 [ 42.126902] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 42.134246] CPU: 1 PID: 8201 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 42.142143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.151586] Call Trace: [ 42.152360] FAULT_INJECTION: forcing a failure. [ 42.152360] name failslab, interval 1, probability 0, space 0, times 0 [ 42.154176] dump_stack+0x1b2/0x281 [ 42.154192] should_fail.cold+0x10a/0x149 [ 42.154205] should_failslab+0xd6/0x130 [ 42.154217] kmem_cache_alloc+0x28e/0x3c0 [ 42.154230] alloc_inode+0xa0/0x170 [ 42.154239] new_inode_pseudo+0x14/0xe0 [ 42.154249] create_pipe_files+0x84/0x880 [ 42.154261] ? pipe_release+0x300/0x300 [ 42.166035] FAULT_INJECTION: forcing a failure. [ 42.166035] name failslab, interval 1, probability 0, space 0, times 0 [ 42.169088] ? vfs_write+0x319/0x4d0 [ 42.169096] ? do_pipe_flags+0x160/0x160 [ 42.169105] SyS_pipe2+0x76/0x160 [ 42.169114] ? do_pipe_flags+0x160/0x160 [ 42.169121] ? SyS_read+0x210/0x210 [ 42.169138] ? __do_page_fault+0x159/0xad0 [ 42.169147] ? do_syscall_64+0x4c/0x640 [ 42.169155] ? do_pipe_flags+0x160/0x160 [ 42.169163] do_syscall_64+0x1d5/0x640 [ 42.169178] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.169185] RIP: 0033:0x449679 [ 42.169190] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 42.169200] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 42.169204] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 42.169209] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 42.169214] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009e3a [ 42.169219] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 42.169473] CPU: 1 PID: 8209 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 42.303521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.312855] Call Trace: [ 42.315428] dump_stack+0x1b2/0x281 [ 42.319050] should_fail.cold+0x10a/0x149 [ 42.323179] should_failslab+0xd6/0x130 [ 42.327139] kmem_cache_alloc+0x28e/0x3c0 [ 42.331279] alloc_inode+0xa0/0x170 [ 42.334885] new_inode_pseudo+0x14/0xe0 [ 42.338842] create_pipe_files+0x84/0x880 [ 42.342983] ? pipe_release+0x300/0x300 [ 42.346951] ? vfs_write+0x319/0x4d0 [ 42.350643] ? do_pipe_flags+0x160/0x160 [ 42.354697] SyS_pipe2+0x76/0x160 [ 42.358233] ? do_pipe_flags+0x160/0x160 [ 42.362273] ? SyS_read+0x210/0x210 [ 42.365886] ? __do_page_fault+0x159/0xad0 [ 42.370115] ? do_syscall_64+0x4c/0x640 [ 42.374071] ? do_pipe_flags+0x160/0x160 [ 42.378114] do_syscall_64+0x1d5/0x640 [ 42.381993] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.387165] RIP: 0033:0x449679 [ 42.390333] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 42.398023] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 42.405272] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 42.412520] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 42.419776] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000a14b [ 42.427035] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 42.434300] CPU: 0 PID: 8207 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 42.442244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.444878] FAULT_INJECTION: forcing a failure. [ 42.444878] name failslab, interval 1, probability 0, space 0, times 0 [ 42.451641] Call Trace: [ 42.451677] dump_stack+0x1b2/0x281 [ 42.451749] should_fail.cold+0x10a/0x149 [ 42.451798] should_failslab+0xd6/0x130 [ 42.464722] FAULT_INJECTION: forcing a failure. [ 42.464722] name failslab, interval 1, probability 0, space 0, times 0 [ 42.465597] kmem_cache_alloc+0x28e/0x3c0 [ 42.465635] alloc_inode+0xa0/0x170 [ 42.496324] new_inode_pseudo+0x14/0xe0 [ 42.500311] create_pipe_files+0x84/0x880 [ 42.504494] ? pipe_release+0x300/0x300 [ 42.508500] ? vfs_write+0x319/0x4d0 [ 42.512227] ? do_pipe_flags+0x160/0x160 [ 42.516319] SyS_pipe2+0x76/0x160 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program [ 42.519812] ? do_pipe_flags+0x160/0x160 [ 42.523908] ? SyS_read+0x210/0x210 [ 42.527580] ? __do_page_fault+0x159/0xad0 [ 42.531843] ? do_syscall_64+0x4c/0x640 [ 42.535849] ? do_pipe_flags+0x160/0x160 [ 42.539922] do_syscall_64+0x1d5/0x640 [ 42.543858] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.549060] RIP: 0033:0x449679 [ 42.552275] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 42.560026] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 42.567335] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 42.574627] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 42.581952] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000a11a [ 42.589273] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 42.596621] CPU: 1 PID: 8211 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 42.604513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.606835] FAULT_INJECTION: forcing a failure. [ 42.606835] name failslab, interval 1, probability 0, space 0, times 0 [ 42.613865] Call Trace: [ 42.613880] dump_stack+0x1b2/0x281 [ 42.613895] should_fail.cold+0x10a/0x149 [ 42.613908] should_failslab+0xd6/0x130 [ 42.613920] kmem_cache_alloc+0x28e/0x3c0 [ 42.613932] alloc_inode+0xa0/0x170 [ 42.613941] new_inode_pseudo+0x14/0xe0 [ 42.613955] create_pipe_files+0x84/0x880 [ 42.651951] FAULT_INJECTION: forcing a failure. [ 42.651951] name failslab, interval 1, probability 0, space 0, times 0 [ 42.655248] ? pipe_release+0x300/0x300 [ 42.655259] ? vfs_write+0x319/0x4d0 [ 42.655266] ? do_pipe_flags+0x160/0x160 [ 42.655275] SyS_pipe2+0x76/0x160 [ 42.655284] ? do_pipe_flags+0x160/0x160 [ 42.655292] ? SyS_read+0x210/0x210 [ 42.655301] ? __do_page_fault+0x159/0xad0 [ 42.655311] ? do_syscall_64+0x4c/0x640 [ 42.655319] ? do_pipe_flags+0x160/0x160 [ 42.655327] do_syscall_64+0x1d5/0x640 [ 42.655343] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.710828] RIP: 0033:0x449679 [ 42.713997] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 42.721772] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 42.729019] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 42.736369] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 42.743619] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000a41d [ 42.750868] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 42.758224] CPU: 0 PID: 8213 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 42.766182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.775577] Call Trace: [ 42.778191] dump_stack+0x1b2/0x281 [ 42.781858] should_fail.cold+0x10a/0x149 [ 42.786062] should_failslab+0xd6/0x130 [ 42.790061] kmem_cache_alloc+0x28e/0x3c0 [ 42.794230] alloc_inode+0xa0/0x170 [ 42.797869] new_inode_pseudo+0x14/0xe0 [ 42.801858] create_pipe_files+0x84/0x880 [ 42.806021] ? pipe_release+0x300/0x300 [ 42.810018] ? vfs_write+0x319/0x4d0 [ 42.813754] ? do_pipe_flags+0x160/0x160 [ 42.817888] SyS_pipe2+0x76/0x160 [ 42.821351] ? do_pipe_flags+0x160/0x160 [ 42.825418] ? SyS_read+0x210/0x210 [ 42.829074] ? __do_page_fault+0x159/0xad0 [ 42.833348] ? do_syscall_64+0x4c/0x640 [ 42.837357] ? do_pipe_flags+0x160/0x160 [ 42.841441] do_syscall_64+0x1d5/0x640 [ 42.845379] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.850588] RIP: 0033:0x449679 [ 42.853789] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 42.861547] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 42.868862] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 42.876180] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 42.883631] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000a391 [ 42.890933] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 42.898296] CPU: 1 PID: 8210 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 42.906192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.915798] Call Trace: [ 42.918399] dump_stack+0x1b2/0x281 [ 42.922014] should_fail.cold+0x10a/0x149 [ 42.926163] should_failslab+0xd6/0x130 [ 42.930129] kmem_cache_alloc+0x28e/0x3c0 [ 42.934263] alloc_inode+0xa0/0x170 [ 42.937886] new_inode_pseudo+0x14/0xe0 [ 42.941864] create_pipe_files+0x84/0x880 [ 42.945999] ? pipe_release+0x300/0x300 [ 42.949968] ? vfs_write+0x319/0x4d0 [ 42.953662] ? do_pipe_flags+0x160/0x160 [ 42.957707] SyS_pipe2+0x76/0x160 [ 42.961140] ? do_pipe_flags+0x160/0x160 [ 42.965183] ? SyS_read+0x210/0x210 [ 42.968802] ? __do_page_fault+0x159/0xad0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 42.973024] ? do_syscall_64+0x4c/0x640 [ 42.976987] ? do_pipe_flags+0x160/0x160 [ 42.981036] do_syscall_64+0x1d5/0x640 [ 42.984914] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.990094] RIP: 0033:0x449679 [ 42.993262] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 43.000952] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 43.008227] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 43.015478] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 43.022727] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000a2c0 [ 43.029977] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 43.037269] CPU: 0 PID: 8212 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 43.045316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.054704] Call Trace: [ 43.057327] dump_stack+0x1b2/0x281 [ 43.061035] should_fail.cold+0x10a/0x149 [ 43.065224] should_failslab+0xd6/0x130 [ 43.069231] kmem_cache_alloc+0x28e/0x3c0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 43.073438] alloc_inode+0xa0/0x170 [ 43.077079] new_inode_pseudo+0x14/0xe0 [ 43.081072] create_pipe_files+0x84/0x880 [ 43.085249] ? pipe_release+0x300/0x300 [ 43.089278] ? vfs_write+0x319/0x4d0 [ 43.092995] ? do_pipe_flags+0x160/0x160 [ 43.097073] SyS_pipe2+0x76/0x160 [ 43.100542] ? do_pipe_flags+0x160/0x160 [ 43.104608] ? SyS_read+0x210/0x210 [ 43.108237] ? __do_page_fault+0x159/0xad0 [ 43.112509] ? do_syscall_64+0x4c/0x640 [ 43.116524] ? do_pipe_flags+0x160/0x160 [ 43.120597] do_syscall_64+0x1d5/0x640 executing program [ 43.124531] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.129737] RIP: 0033:0x449679 [ 43.132938] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 43.140685] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 43.147975] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 43.155276] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 43.156087] FAULT_INJECTION: forcing a failure. [ 43.156087] name failslab, interval 1, probability 0, space 0, times 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 43.162578] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000a081 [ 43.162601] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 43.177191] FAULT_INJECTION: forcing a failure. [ 43.177191] name failslab, interval 1, probability 0, space 0, times 0 [ 43.181427] CPU: 1 PID: 8208 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 43.209143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.218489] Call Trace: [ 43.221071] dump_stack+0x1b2/0x281 [ 43.224700] should_fail.cold+0x10a/0x149 [ 43.225579] FAULT_INJECTION: forcing a failure. [ 43.225579] name failslab, interval 1, probability 0, space 0, times 0 [ 43.229445] should_failslab+0xd6/0x130 [ 43.229457] kmem_cache_alloc+0x28e/0x3c0 [ 43.229469] alloc_inode+0xa0/0x170 [ 43.229478] new_inode_pseudo+0x14/0xe0 [ 43.229488] create_pipe_files+0x84/0x880 [ 43.229498] ? pipe_release+0x300/0x300 [ 43.229508] ? vfs_write+0x319/0x4d0 [ 43.229516] ? do_pipe_flags+0x160/0x160 [ 43.229526] SyS_pipe2+0x76/0x160 [ 43.229535] ? do_pipe_flags+0x160/0x160 [ 43.229543] ? SyS_read+0x210/0x210 [ 43.229552] ? __do_page_fault+0x159/0xad0 [ 43.229560] ? do_syscall_64+0x4c/0x640 [ 43.229571] ? do_pipe_flags+0x160/0x160 [ 43.295477] do_syscall_64+0x1d5/0x640 [ 43.299351] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.304527] RIP: 0033:0x449679 [ 43.307704] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 43.315407] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 43.322654] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 43.329902] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 43.337155] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000a064 [ 43.344407] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 43.351693] CPU: 0 PID: 8216 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 43.359629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.369026] Call Trace: [ 43.371664] dump_stack+0x1b2/0x281 [ 43.375364] should_fail.cold+0x10a/0x149 [ 43.375432] FAULT_INJECTION: forcing a failure. [ 43.375432] name failslab, interval 1, probability 0, space 0, times 0 [ 43.379599] should_failslab+0xd6/0x130 [ 43.379653] kmem_cache_alloc+0x28e/0x3c0 [ 43.398998] alloc_inode+0xa0/0x170 [ 43.402638] new_inode_pseudo+0x14/0xe0 [ 43.406626] create_pipe_files+0x84/0x880 [ 43.411139] ? pipe_release+0x300/0x300 [ 43.415159] ? vfs_write+0x319/0x4d0 [ 43.418892] ? do_pipe_flags+0x160/0x160 [ 43.422972] SyS_pipe2+0x76/0x160 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 43.426432] ? do_pipe_flags+0x160/0x160 [ 43.430502] ? SyS_read+0x210/0x210 [ 43.434172] ? __do_page_fault+0x159/0xad0 [ 43.438428] ? do_syscall_64+0x4c/0x640 [ 43.442431] ? do_pipe_flags+0x160/0x160 [ 43.446526] do_syscall_64+0x1d5/0x640 [ 43.450484] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.455683] RIP: 0033:0x449679 [ 43.458881] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 43.466626] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 43.473902] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 43.481199] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 43.488515] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000a6ad [ 43.495799] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 43.503187] CPU: 1 PID: 8214 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 43.511082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.517716] FAULT_INJECTION: forcing a failure. [ 43.517716] name failslab, interval 1, probability 0, space 0, times 0 [ 43.520427] Call Trace: [ 43.520443] dump_stack+0x1b2/0x281 [ 43.520459] should_fail.cold+0x10a/0x149 [ 43.520472] should_failslab+0xd6/0x130 [ 43.520484] kmem_cache_alloc+0x28e/0x3c0 [ 43.520496] alloc_inode+0xa0/0x170 [ 43.520505] new_inode_pseudo+0x14/0xe0 [ 43.520517] create_pipe_files+0x84/0x880 [ 43.532574] FAULT_INJECTION: forcing a failure. [ 43.532574] name failslab, interval 1, probability 0, space 0, times 0 [ 43.534275] ? pipe_release+0x300/0x300 [ 43.534286] ? vfs_write+0x319/0x4d0 [ 43.534293] ? do_pipe_flags+0x160/0x160 [ 43.534302] SyS_pipe2+0x76/0x160 [ 43.534312] ? do_pipe_flags+0x160/0x160 [ 43.534320] ? SyS_read+0x210/0x210 [ 43.534329] ? __do_page_fault+0x159/0xad0 [ 43.534338] ? do_syscall_64+0x4c/0x640 [ 43.534346] ? do_pipe_flags+0x160/0x160 [ 43.534355] do_syscall_64+0x1d5/0x640 [ 43.611957] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.617146] RIP: 0033:0x449679 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program [ 43.620316] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 43.628004] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 43.635269] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 43.642536] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 43.649788] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000a416 [ 43.657039] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 43.664304] CPU: 0 PID: 8218 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 43.672244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.681619] Call Trace: [ 43.684221] dump_stack+0x1b2/0x281 [ 43.687873] should_fail.cold+0x10a/0x149 [ 43.692073] should_failslab+0xd6/0x130 [ 43.696091] kmem_cache_alloc+0x28e/0x3c0 [ 43.700258] alloc_inode+0xa0/0x170 [ 43.703900] new_inode_pseudo+0x14/0xe0 [ 43.707899] create_pipe_files+0x84/0x880 [ 43.712080] ? pipe_release+0x300/0x300 [ 43.716093] ? vfs_write+0x319/0x4d0 [ 43.719821] ? do_pipe_flags+0x160/0x160 [ 43.723927] SyS_pipe2+0x76/0x160 [ 43.727397] ? do_pipe_flags+0x160/0x160 [ 43.731464] ? SyS_read+0x210/0x210 [ 43.735102] ? __do_page_fault+0x159/0xad0 [ 43.739349] ? do_syscall_64+0x4c/0x640 [ 43.743341] ? do_pipe_flags+0x160/0x160 [ 43.747445] do_syscall_64+0x1d5/0x640 [ 43.751393] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.756593] RIP: 0033:0x449679 [ 43.759789] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 43.767516] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 43.774799] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 43.782096] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 43.789372] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000a67f [ 43.796660] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 43.804023] CPU: 1 PID: 8217 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 43.811907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.821266] Call Trace: [ 43.823847] dump_stack+0x1b2/0x281 [ 43.827477] should_fail.cold+0x10a/0x149 [ 43.831633] should_failslab+0xd6/0x130 [ 43.835599] kmem_cache_alloc+0x28e/0x3c0 [ 43.839747] alloc_inode+0xa0/0x170 [ 43.843360] new_inode_pseudo+0x14/0xe0 [ 43.847323] create_pipe_files+0x84/0x880 [ 43.851471] ? pipe_release+0x300/0x300 [ 43.855445] ? vfs_write+0x319/0x4d0 [ 43.859167] ? do_pipe_flags+0x160/0x160 [ 43.863212] SyS_pipe2+0x76/0x160 [ 43.866658] ? do_pipe_flags+0x160/0x160 [ 43.870699] ? SyS_read+0x210/0x210 [ 43.874315] ? __do_page_fault+0x159/0xad0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 43.878664] ? do_syscall_64+0x4c/0x640 [ 43.882630] ? do_pipe_flags+0x160/0x160 [ 43.886686] do_syscall_64+0x1d5/0x640 [ 43.890569] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.895747] RIP: 0033:0x449679 [ 43.898922] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 43.906617] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 43.913871] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 43.921120] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 43.928369] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000a5df [ 43.935619] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 43.942888] CPU: 0 PID: 8219 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 43.950819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.960220] Call Trace: [ 43.962850] dump_stack+0x1b2/0x281 [ 43.966514] should_fail.cold+0x10a/0x149 [ 43.970689] should_failslab+0xd6/0x130 [ 43.974678] kmem_cache_alloc+0x28e/0x3c0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 43.978859] alloc_inode+0xa0/0x170 [ 43.982497] new_inode_pseudo+0x14/0xe0 [ 43.986504] create_pipe_files+0x84/0x880 [ 43.990696] ? pipe_release+0x300/0x300 [ 43.994705] ? vfs_write+0x319/0x4d0 [ 43.998439] ? do_pipe_flags+0x160/0x160 [ 44.002516] SyS_pipe2+0x76/0x160 [ 44.005982] ? do_pipe_flags+0x160/0x160 [ 44.010065] ? SyS_read+0x210/0x210 [ 44.013697] ? __do_page_fault+0x159/0xad0 [ 44.017954] ? do_syscall_64+0x4c/0x640 [ 44.021942] ? do_pipe_flags+0x160/0x160 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 44.026016] do_syscall_64+0x1d5/0x640 [ 44.029961] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.035171] RIP: 0033:0x449679 [ 44.038384] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 44.046169] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 44.053477] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 44.060793] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 44.061191] FAULT_INJECTION: forcing a failure. [ 44.061191] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 44.068077] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000a8ea [ 44.068090] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 44.094565] CPU: 1 PID: 8215 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 44.100239] FAULT_INJECTION: forcing a failure. [ 44.100239] name failslab, interval 1, probability 0, space 0, times 0 [ 44.102821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.102827] Call Trace: [ 44.102841] dump_stack+0x1b2/0x281 [ 44.102857] should_fail.cold+0x10a/0x149 [ 44.102871] should_failslab+0xd6/0x130 [ 44.102883] kmem_cache_alloc+0x28e/0x3c0 [ 44.102895] alloc_inode+0xa0/0x170 [ 44.102909] new_inode_pseudo+0x14/0xe0 [ 44.119925] FAULT_INJECTION: forcing a failure. [ 44.119925] name failslab, interval 1, probability 0, space 0, times 0 [ 44.123445] create_pipe_files+0x84/0x880 [ 44.123457] ? pipe_release+0x300/0x300 [ 44.123466] ? vfs_write+0x319/0x4d0 [ 44.123474] ? do_pipe_flags+0x160/0x160 [ 44.123484] SyS_pipe2+0x76/0x160 [ 44.123493] ? do_pipe_flags+0x160/0x160 [ 44.123500] ? SyS_read+0x210/0x210 [ 44.123509] ? __do_page_fault+0x159/0xad0 [ 44.123519] ? do_syscall_64+0x4c/0x640 [ 44.195812] ? do_pipe_flags+0x160/0x160 [ 44.201706] do_syscall_64+0x1d5/0x640 [ 44.205589] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.210849] RIP: 0033:0x449679 [ 44.214016] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 44.221723] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 44.228973] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 44.236227] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 44.243482] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000a5e4 [ 44.250737] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 44.258026] CPU: 0 PID: 8222 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 44.260012] FAULT_INJECTION: forcing a failure. [ 44.260012] name failslab, interval 1, probability 0, space 0, times 0 [ 44.265953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.265973] Call Trace: [ 44.266009] dump_stack+0x1b2/0x281 [ 44.266087] should_fail.cold+0x10a/0x149 [ 44.266133] should_failslab+0xd6/0x130 [ 44.266165] kmem_cache_alloc+0x28e/0x3c0 [ 44.305187] alloc_inode+0xa0/0x170 [ 44.308837] new_inode_pseudo+0x14/0xe0 [ 44.312847] create_pipe_files+0x84/0x880 [ 44.317036] ? pipe_release+0x300/0x300 [ 44.321032] ? vfs_write+0x319/0x4d0 [ 44.324751] ? do_pipe_flags+0x160/0x160 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 44.328854] SyS_pipe2+0x76/0x160 [ 44.332346] ? do_pipe_flags+0x160/0x160 [ 44.336419] ? SyS_read+0x210/0x210 [ 44.340056] ? __do_page_fault+0x159/0xad0 [ 44.344315] ? do_syscall_64+0x4c/0x640 [ 44.348312] ? do_pipe_flags+0x160/0x160 [ 44.352385] do_syscall_64+0x1d5/0x640 [ 44.356323] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.361524] RIP: 0033:0x449679 [ 44.364726] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 44.372460] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 44.379769] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 44.387087] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 44.394406] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000aa0f [ 44.401707] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 44.403300] FAULT_INJECTION: forcing a failure. [ 44.403300] name failslab, interval 1, probability 0, space 0, times 0 [ 44.411552] CPU: 0 PID: 8223 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 44.428152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.437536] Call Trace: [ 44.440137] dump_stack+0x1b2/0x281 [ 44.443819] should_fail.cold+0x10a/0x149 [ 44.448014] should_failslab+0xd6/0x130 [ 44.452039] kmem_cache_alloc+0x28e/0x3c0 [ 44.456211] alloc_inode+0xa0/0x170 [ 44.459850] new_inode_pseudo+0x14/0xe0 [ 44.463837] create_pipe_files+0x84/0x880 [ 44.468004] ? pipe_release+0x300/0x300 [ 44.472021] ? vfs_write+0x319/0x4d0 [ 44.475738] ? do_pipe_flags+0x160/0x160 [ 44.479826] SyS_pipe2+0x76/0x160 [ 44.483292] ? do_pipe_flags+0x160/0x160 [ 44.487365] ? SyS_read+0x210/0x210 [ 44.490997] ? __do_page_fault+0x159/0xad0 [ 44.495245] ? do_syscall_64+0x4c/0x640 [ 44.499264] ? do_pipe_flags+0x160/0x160 [ 44.503365] do_syscall_64+0x1d5/0x640 [ 44.507282] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.512490] RIP: 0033:0x449679 [ 44.515687] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 44.523409] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program [ 44.530857] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 44.538144] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 44.545434] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000aa13 [ 44.552726] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 44.560120] CPU: 1 PID: 8220 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 44.568041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.577393] Call Trace: [ 44.579985] dump_stack+0x1b2/0x281 [ 44.583618] should_fail.cold+0x10a/0x149 [ 44.587768] should_failslab+0xd6/0x130 [ 44.588217] FAULT_INJECTION: forcing a failure. [ 44.588217] name failslab, interval 1, probability 0, space 0, times 0 [ 44.591737] kmem_cache_alloc+0x28e/0x3c0 [ 44.591750] alloc_inode+0xa0/0x170 [ 44.591760] new_inode_pseudo+0x14/0xe0 [ 44.591770] create_pipe_files+0x84/0x880 [ 44.591780] ? pipe_release+0x300/0x300 [ 44.591791] ? vfs_write+0x319/0x4d0 [ 44.591798] ? do_pipe_flags+0x160/0x160 [ 44.591808] SyS_pipe2+0x76/0x160 [ 44.591817] ? do_pipe_flags+0x160/0x160 [ 44.591824] ? SyS_read+0x210/0x210 [ 44.591833] ? __do_page_fault+0x159/0xad0 [ 44.591842] ? do_syscall_64+0x4c/0x640 [ 44.591851] ? do_pipe_flags+0x160/0x160 [ 44.591859] do_syscall_64+0x1d5/0x640 [ 44.591875] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.591883] RIP: 0033:0x449679 [ 44.591891] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 [ 44.604910] FAULT_INJECTION: forcing a failure. [ 44.604910] name failslab, interval 1, probability 0, space 0, times 0 [ 44.607198] ORIG_RAX: 0000000000000125 [ 44.607204] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 44.607209] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 44.607214] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 44.607219] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000a418 [ 44.607224] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 44.607703] CPU: 1 PID: 8221 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 44.730924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.740264] Call Trace: [ 44.742928] dump_stack+0x1b2/0x281 [ 44.746566] should_fail.cold+0x10a/0x149 [ 44.750714] should_failslab+0xd6/0x130 [ 44.754676] kmem_cache_alloc+0x28e/0x3c0 [ 44.758823] alloc_inode+0xa0/0x170 [ 44.762433] new_inode_pseudo+0x14/0xe0 [ 44.766478] create_pipe_files+0x84/0x880 [ 44.770620] ? pipe_release+0x300/0x300 [ 44.774582] ? vfs_write+0x319/0x4d0 [ 44.778277] ? do_pipe_flags+0x160/0x160 [ 44.782321] SyS_pipe2+0x76/0x160 [ 44.785775] ? do_pipe_flags+0x160/0x160 [ 44.789828] ? SyS_read+0x210/0x210 [ 44.793436] ? __do_page_fault+0x159/0xad0 [ 44.797650] ? do_syscall_64+0x4c/0x640 [ 44.801703] ? do_pipe_flags+0x160/0x160 [ 44.805762] do_syscall_64+0x1d5/0x640 [ 44.809652] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.814823] RIP: 0033:0x449679 [ 44.818000] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 44.825707] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 44.832970] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 44.840237] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 44.847501] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000a838 [ 44.854778] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 44.862075] CPU: 0 PID: 8225 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 44.870003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.879384] Call Trace: executing program [ 44.882036] dump_stack+0x1b2/0x281 [ 44.885726] should_fail.cold+0x10a/0x149 [ 44.889907] should_failslab+0xd6/0x130 [ 44.893924] kmem_cache_alloc+0x28e/0x3c0 [ 44.898100] alloc_inode+0xa0/0x170 [ 44.901760] new_inode_pseudo+0x14/0xe0 [ 44.905753] create_pipe_files+0x84/0x880 [ 44.909922] ? pipe_release+0x300/0x300 [ 44.913938] ? vfs_write+0x319/0x4d0 [ 44.917698] ? do_pipe_flags+0x160/0x160 [ 44.921795] SyS_pipe2+0x76/0x160 [ 44.922721] FAULT_INJECTION: forcing a failure. [ 44.922721] name failslab, interval 1, probability 0, space 0, times 0 [ 44.925289] ? do_pipe_flags+0x160/0x160 [ 44.925308] ? SyS_read+0x210/0x210 [ 44.944187] ? __do_page_fault+0x159/0xad0 [ 44.948475] ? do_syscall_64+0x4c/0x640 [ 44.952467] ? do_pipe_flags+0x160/0x160 [ 44.956540] do_syscall_64+0x1d5/0x640 [ 44.960459] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.965834] RIP: 0033:0x449679 [ 44.969033] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 44.976761] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 44.984039] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 44.991333] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 44.998671] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000ac5a [ 45.005976] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 45.013322] CPU: 1 PID: 8224 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 45.021210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.030760] Call Trace: [ 45.033347] dump_stack+0x1b2/0x281 [ 45.036985] should_fail.cold+0x10a/0x149 [ 45.041127] should_failslab+0xd6/0x130 [ 45.045103] kmem_cache_alloc+0x28e/0x3c0 [ 45.049365] alloc_inode+0xa0/0x170 [ 45.052997] new_inode_pseudo+0x14/0xe0 [ 45.056968] create_pipe_files+0x84/0x880 [ 45.061106] ? pipe_release+0x300/0x300 [ 45.065072] ? vfs_write+0x319/0x4d0 [ 45.068768] ? do_pipe_flags+0x160/0x160 [ 45.072815] SyS_pipe2+0x76/0x160 [ 45.076250] ? do_pipe_flags+0x160/0x160 [ 45.080314] ? SyS_read+0x210/0x210 [ 45.083983] ? __do_page_fault+0x159/0xad0 [ 45.088229] ? do_syscall_64+0x4c/0x640 [ 45.092211] ? do_pipe_flags+0x160/0x160 [ 45.096256] do_syscall_64+0x1d5/0x640 [ 45.100151] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 45.105323] RIP: 0033:0x449679 [ 45.108497] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 45.116193] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 45.123455] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 45.130719] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 45.137982] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000a982 [ 45.145247] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 45.154129] CPU: 1 PID: 8227 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 45.162049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.164397] FAULT_INJECTION: forcing a failure. [ 45.164397] name failslab, interval 1, probability 0, space 0, times 0 [ 45.171406] Call Trace: [ 45.171422] dump_stack+0x1b2/0x281 [ 45.171437] should_fail.cold+0x10a/0x149 [ 45.171450] should_failslab+0xd6/0x130 [ 45.171461] kmem_cache_alloc+0x28e/0x3c0 [ 45.171474] alloc_inode+0xa0/0x170 [ 45.171484] new_inode_pseudo+0x14/0xe0 [ 45.171494] create_pipe_files+0x84/0x880 [ 45.171504] ? pipe_release+0x300/0x300 [ 45.171515] ? vfs_write+0x319/0x4d0 [ 45.171522] ? do_pipe_flags+0x160/0x160 [ 45.171532] SyS_pipe2+0x76/0x160 [ 45.171541] ? do_pipe_flags+0x160/0x160 [ 45.171548] ? SyS_read+0x210/0x210 [ 45.171557] ? __do_page_fault+0x159/0xad0 [ 45.171565] ? do_syscall_64+0x4c/0x640 [ 45.171573] ? do_pipe_flags+0x160/0x160 [ 45.171580] do_syscall_64+0x1d5/0x640 [ 45.171594] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 45.171601] RIP: 0033:0x449679 [ 45.171606] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 45.171614] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 45.171618] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 45.171622] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 45.171627] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000abd0 [ 45.171632] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 45.179120] FAULT_INJECTION: forcing a failure. [ 45.179120] name failslab, interval 1, probability 0, space 0, times 0 [ 45.190549] CPU: 0 PID: 8226 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 45.196102] FAULT_INJECTION: forcing a failure. [ 45.196102] name failslab, interval 1, probability 0, space 0, times 0 [ 45.197654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.197669] Call Trace: [ 45.347875] dump_stack+0x1b2/0x281 [ 45.351530] should_fail.cold+0x10a/0x149 [ 45.355705] should_failslab+0xd6/0x130 [ 45.359702] kmem_cache_alloc+0x28e/0x3c0 [ 45.363895] alloc_inode+0xa0/0x170 [ 45.367535] new_inode_pseudo+0x14/0xe0 [ 45.371525] create_pipe_files+0x84/0x880 [ 45.375697] ? pipe_release+0x300/0x300 [ 45.379707] ? vfs_write+0x319/0x4d0 [ 45.383453] ? do_pipe_flags+0x160/0x160 [ 45.387536] SyS_pipe2+0x76/0x160 [ 45.391000] ? do_pipe_flags+0x160/0x160 [ 45.395068] ? SyS_read+0x210/0x210 [ 45.398700] ? __do_page_fault+0x159/0xad0 [ 45.402954] ? do_syscall_64+0x4c/0x640 [ 45.406943] ? do_pipe_flags+0x160/0x160 [ 45.411017] do_syscall_64+0x1d5/0x640 [ 45.414937] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 45.420156] RIP: 0033:0x449679 [ 45.423350] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 45.431089] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 45.438392] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 45.445689] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 45.452974] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000ac56 [ 45.460253] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 45.467593] CPU: 1 PID: 8229 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 45.475485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.484003] FAULT_INJECTION: forcing a failure. [ 45.484003] name failslab, interval 1, probability 0, space 0, times 0 [ 45.484853] Call Trace: [ 45.484868] dump_stack+0x1b2/0x281 [ 45.484885] should_fail.cold+0x10a/0x149 [ 45.484898] should_failslab+0xd6/0x130 [ 45.484915] kmem_cache_alloc+0x28e/0x3c0 [ 45.484929] alloc_inode+0xa0/0x170 [ 45.484939] new_inode_pseudo+0x14/0xe0 [ 45.484949] create_pipe_files+0x84/0x880 [ 45.484959] ? pipe_release+0x300/0x300 [ 45.484970] ? vfs_write+0x319/0x4d0 [ 45.484977] ? do_pipe_flags+0x160/0x160 [ 45.484987] SyS_pipe2+0x76/0x160 [ 45.484996] ? do_pipe_flags+0x160/0x160 [ 45.485003] ? SyS_read+0x210/0x210 [ 45.485011] ? __do_page_fault+0x159/0xad0 [ 45.485019] ? do_syscall_64+0x4c/0x640 [ 45.485030] ? do_pipe_flags+0x160/0x160 [ 45.561452] do_syscall_64+0x1d5/0x640 [ 45.565327] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 45.570505] RIP: 0033:0x449679 [ 45.573681] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program [ 45.581374] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 45.588721] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 45.595984] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 45.603244] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000af8d [ 45.610506] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 45.618025] CPU: 0 PID: 8228 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 45.625950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.631331] FAULT_INJECTION: forcing a failure. [ 45.631331] name failslab, interval 1, probability 0, space 0, times 0 [ 45.635461] Call Trace: [ 45.635490] dump_stack+0x1b2/0x281 [ 45.635531] should_fail.cold+0x10a/0x149 [ 45.635569] should_failslab+0xd6/0x130 [ 45.661113] kmem_cache_alloc+0x28e/0x3c0 [ 45.665304] alloc_inode+0xa0/0x170 [ 45.668971] new_inode_pseudo+0x14/0xe0 [ 45.672996] create_pipe_files+0x84/0x880 [ 45.677198] ? pipe_release+0x300/0x300 [ 45.681199] ? vfs_write+0x319/0x4d0 [ 45.684932] ? do_pipe_flags+0x160/0x160 [ 45.689049] SyS_pipe2+0x76/0x160 [ 45.692515] ? do_pipe_flags+0x160/0x160 [ 45.696584] ? SyS_read+0x210/0x210 [ 45.700236] ? __do_page_fault+0x159/0xad0 [ 45.704492] ? do_syscall_64+0x4c/0x640 [ 45.708489] ? do_pipe_flags+0x160/0x160 [ 45.712558] do_syscall_64+0x1d5/0x640 [ 45.716477] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 45.721762] RIP: 0033:0x449679 [ 45.724955] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 45.732684] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 45.739997] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 45.747310] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 45.754599] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000a8a6 [ 45.761892] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 45.769224] CPU: 1 PID: 8230 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 45.777117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.786464] Call Trace: [ 45.789047] dump_stack+0x1b2/0x281 [ 45.792661] should_fail.cold+0x10a/0x149 [ 45.796792] should_failslab+0xd6/0x130 [ 45.800756] kmem_cache_alloc+0x28e/0x3c0 [ 45.804884] alloc_inode+0xa0/0x170 [ 45.808490] new_inode_pseudo+0x14/0xe0 [ 45.812445] create_pipe_files+0x84/0x880 [ 45.816573] ? pipe_release+0x300/0x300 [ 45.820529] ? vfs_write+0x319/0x4d0 [ 45.824222] ? do_pipe_flags+0x160/0x160 [ 45.828264] SyS_pipe2+0x76/0x160 [ 45.831699] ? do_pipe_flags+0x160/0x160 [ 45.835750] ? SyS_read+0x210/0x210 [ 45.839359] ? __do_page_fault+0x159/0xad0 [ 45.843574] ? do_syscall_64+0x4c/0x640 [ 45.847531] ? do_pipe_flags+0x160/0x160 [ 45.851578] do_syscall_64+0x1d5/0x640 [ 45.855474] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 45.860913] RIP: 0033:0x449679 [ 45.864085] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 45.871810] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 45.879075] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 45.886342] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 45.893604] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000ad31 [ 45.900858] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 45.908127] CPU: 0 PID: 8232 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 45.916060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.925529] Call Trace: [ 45.928168] dump_stack+0x1b2/0x281 [ 45.931830] should_fail.cold+0x10a/0x149 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 45.936200] should_failslab+0xd6/0x130 [ 45.940189] kmem_cache_alloc+0x28e/0x3c0 [ 45.944364] alloc_inode+0xa0/0x170 [ 45.948021] new_inode_pseudo+0x14/0xe0 [ 45.952020] create_pipe_files+0x84/0x880 [ 45.956189] ? pipe_release+0x300/0x300 [ 45.960195] ? vfs_write+0x319/0x4d0 [ 45.963914] ? do_pipe_flags+0x160/0x160 [ 45.968005] SyS_pipe2+0x76/0x160 [ 45.971471] ? do_pipe_flags+0x160/0x160 [ 45.975565] ? SyS_read+0x210/0x210 [ 45.979239] ? __do_page_fault+0x159/0xad0 [ 45.983489] ? do_syscall_64+0x4c/0x640 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 45.987493] ? do_pipe_flags+0x160/0x160 [ 45.991566] do_syscall_64+0x1d5/0x640 [ 45.995511] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.000713] RIP: 0033:0x449679 [ 46.003935] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 46.011697] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 46.013452] FAULT_INJECTION: forcing a failure. [ 46.013452] name failslab, interval 1, probability 0, space 0, times 0 [ 46.019014] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 46.019028] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 46.019040] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000ae3e [ 46.019052] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 46.050236] FAULT_INJECTION: forcing a failure. [ 46.050236] name failslab, interval 1, probability 0, space 0, times 0 [ 46.054976] CPU: 1 PID: 8231 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 46.064384] FAULT_INJECTION: forcing a failure. [ 46.064384] name failslab, interval 1, probability 0, space 0, times 0 [ 46.071999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.072004] Call Trace: [ 46.072023] dump_stack+0x1b2/0x281 [ 46.072038] should_fail.cold+0x10a/0x149 [ 46.072050] should_failslab+0xd6/0x130 [ 46.072061] kmem_cache_alloc+0x28e/0x3c0 [ 46.072073] alloc_inode+0xa0/0x170 [ 46.072082] new_inode_pseudo+0x14/0xe0 [ 46.072093] create_pipe_files+0x84/0x880 [ 46.072104] ? pipe_release+0x300/0x300 [ 46.072114] ? vfs_write+0x319/0x4d0 [ 46.072121] ? do_pipe_flags+0x160/0x160 [ 46.072130] SyS_pipe2+0x76/0x160 [ 46.072139] ? do_pipe_flags+0x160/0x160 [ 46.072147] ? SyS_read+0x210/0x210 [ 46.072156] ? __do_page_fault+0x159/0xad0 [ 46.072170] ? do_syscall_64+0x4c/0x640 [ 46.072179] ? do_pipe_flags+0x160/0x160 [ 46.072188] do_syscall_64+0x1d5/0x640 [ 46.072203] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.072211] RIP: 0033:0x449679 [ 46.072215] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 46.072224] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 46.072229] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 46.072234] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 46.072238] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000ac2f [ 46.072243] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 46.075683] CPU: 1 PID: 8233 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 46.220860] FAULT_INJECTION: forcing a failure. [ 46.220860] name failslab, interval 1, probability 0, space 0, times 0 [ 46.222926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.222931] Call Trace: [ 46.222948] dump_stack+0x1b2/0x281 [ 46.222963] should_fail.cold+0x10a/0x149 [ 46.222976] should_failslab+0xd6/0x130 [ 46.222988] kmem_cache_alloc+0x28e/0x3c0 [ 46.223001] alloc_inode+0xa0/0x170 [ 46.223010] new_inode_pseudo+0x14/0xe0 [ 46.223020] create_pipe_files+0x84/0x880 [ 46.223031] ? pipe_release+0x300/0x300 [ 46.223041] ? vfs_write+0x319/0x4d0 [ 46.223049] ? do_pipe_flags+0x160/0x160 [ 46.223059] SyS_pipe2+0x76/0x160 [ 46.223068] ? do_pipe_flags+0x160/0x160 [ 46.223075] ? SyS_read+0x210/0x210 [ 46.223083] ? __do_page_fault+0x159/0xad0 [ 46.223090] ? do_syscall_64+0x4c/0x640 [ 46.223100] ? do_pipe_flags+0x160/0x160 [ 46.316591] do_syscall_64+0x1d5/0x640 [ 46.320485] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.325668] RIP: 0033:0x449679 [ 46.328838] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 46.336526] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 46.343779] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 46.351032] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 46.358298] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000b091 [ 46.365637] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 46.372906] CPU: 0 PID: 8235 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 46.377503] FAULT_INJECTION: forcing a failure. [ 46.377503] name failslab, interval 1, probability 0, space 0, times 0 [ 46.380870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.380883] Call Trace: [ 46.380907] dump_stack+0x1b2/0x281 [ 46.407680] should_fail.cold+0x10a/0x149 [ 46.411856] should_failslab+0xd6/0x130 [ 46.415861] kmem_cache_alloc+0x28e/0x3c0 [ 46.420054] alloc_inode+0xa0/0x170 [ 46.423695] new_inode_pseudo+0x14/0xe0 [ 46.427683] create_pipe_files+0x84/0x880 [ 46.431861] ? pipe_release+0x300/0x300 [ 46.435853] ? vfs_write+0x319/0x4d0 [ 46.439575] ? do_pipe_flags+0x160/0x160 [ 46.443654] SyS_pipe2+0x76/0x160 [ 46.447117] ? do_pipe_flags+0x160/0x160 [ 46.451184] ? SyS_read+0x210/0x210 [ 46.454819] ? __do_page_fault+0x159/0xad0 [ 46.459065] ? do_syscall_64+0x4c/0x640 [ 46.463050] ? do_pipe_flags+0x160/0x160 [ 46.467124] do_syscall_64+0x1d5/0x640 [ 46.471101] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.476328] RIP: 0033:0x449679 [ 46.479521] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 46.487246] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 46.494522] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 46.501892] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 46.509195] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000ae42 [ 46.516489] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 46.523873] CPU: 1 PID: 8236 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 46.531760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.541110] Call Trace: [ 46.543783] dump_stack+0x1b2/0x281 [ 46.547412] should_fail.cold+0x10a/0x149 [ 46.551597] should_failslab+0xd6/0x130 [ 46.555563] kmem_cache_alloc+0x28e/0x3c0 [ 46.559704] alloc_inode+0xa0/0x170 [ 46.563321] new_inode_pseudo+0x14/0xe0 [ 46.567282] create_pipe_files+0x84/0x880 [ 46.571410] ? pipe_release+0x300/0x300 [ 46.575374] ? vfs_write+0x319/0x4d0 [ 46.579079] ? do_pipe_flags+0x160/0x160 [ 46.583122] SyS_pipe2+0x76/0x160 [ 46.586554] ? do_pipe_flags+0x160/0x160 executing program [ 46.590593] ? SyS_read+0x210/0x210 [ 46.594204] ? __do_page_fault+0x159/0xad0 [ 46.598424] ? do_syscall_64+0x4c/0x640 [ 46.602564] ? do_pipe_flags+0x160/0x160 [ 46.606640] do_syscall_64+0x1d5/0x640 [ 46.610607] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.615780] RIP: 0033:0x449679 [ 46.618960] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 46.626655] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 46.633911] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 46.641162] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 46.648427] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000b1b7 [ 46.655678] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 46.662956] CPU: 0 PID: 8234 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 46.670190] FAULT_INJECTION: forcing a failure. [ 46.670190] name failslab, interval 1, probability 0, space 0, times 0 [ 46.670873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.670886] Call Trace: [ 46.670910] dump_stack+0x1b2/0x281 [ 46.697820] should_fail.cold+0x10a/0x149 [ 46.702011] should_failslab+0xd6/0x130 [ 46.706018] kmem_cache_alloc+0x28e/0x3c0 [ 46.710199] alloc_inode+0xa0/0x170 [ 46.713847] new_inode_pseudo+0x14/0xe0 [ 46.717843] create_pipe_files+0x84/0x880 [ 46.722038] ? pipe_release+0x300/0x300 [ 46.726063] ? vfs_write+0x319/0x4d0 [ 46.729785] ? do_pipe_flags+0x160/0x160 [ 46.733872] SyS_pipe2+0x76/0x160 [ 46.737343] ? do_pipe_flags+0x160/0x160 [ 46.741419] ? SyS_read+0x210/0x210 [ 46.745070] ? __do_page_fault+0x159/0xad0 [ 46.749498] ? do_syscall_64+0x4c/0x640 [ 46.753512] ? do_pipe_flags+0x160/0x160 [ 46.757595] do_syscall_64+0x1d5/0x640 [ 46.761524] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.766750] RIP: 0033:0x449679 [ 46.769968] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 46.777734] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 46.785047] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 46.792353] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 46.799679] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000affc [ 46.806965] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 46.814310] CPU: 1 PID: 8237 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 46.822200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.831587] Call Trace: [ 46.834179] dump_stack+0x1b2/0x281 [ 46.837820] should_fail.cold+0x10a/0x149 [ 46.841980] should_failslab+0xd6/0x130 [ 46.845485] FAULT_INJECTION: forcing a failure. [ 46.845485] name failslab, interval 1, probability 0, space 0, times 0 [ 46.845955] kmem_cache_alloc+0x28e/0x3c0 [ 46.845971] alloc_inode+0xa0/0x170 [ 46.864918] new_inode_pseudo+0x14/0xe0 [ 46.868890] create_pipe_files+0x84/0x880 [ 46.873026] ? pipe_release+0x300/0x300 [ 46.876986] ? vfs_write+0x319/0x4d0 [ 46.880680] ? do_pipe_flags+0x160/0x160 [ 46.884738] SyS_pipe2+0x76/0x160 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 46.888187] ? do_pipe_flags+0x160/0x160 [ 46.892238] ? SyS_read+0x210/0x210 [ 46.895880] ? __do_page_fault+0x159/0xad0 [ 46.900109] ? do_syscall_64+0x4c/0x640 [ 46.904246] ? do_pipe_flags+0x160/0x160 [ 46.908296] do_syscall_64+0x1d5/0x640 [ 46.912405] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.917583] RIP: 0033:0x449679 [ 46.920777] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 46.928487] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 executing program [ 46.935750] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 46.943011] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 46.950267] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000b1bf [ 46.957519] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 46.969198] FAULT_INJECTION: forcing a failure. [ 46.969198] name failslab, interval 1, probability 0, space 0, times 0 [ 46.977315] CPU: 0 PID: 8238 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 46.982216] FAULT_INJECTION: forcing a failure. [ 46.982216] name failslab, interval 1, probability 0, space 0, times 0 [ 46.988307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.988319] Call Trace: [ 46.988343] dump_stack+0x1b2/0x281 [ 46.988386] should_fail.cold+0x10a/0x149 [ 46.988426] should_failslab+0xd6/0x130 [ 47.023265] kmem_cache_alloc+0x28e/0x3c0 [ 47.027433] alloc_inode+0xa0/0x170 [ 47.031068] new_inode_pseudo+0x14/0xe0 [ 47.035076] create_pipe_files+0x84/0x880 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 47.039241] ? pipe_release+0x300/0x300 [ 47.043252] ? vfs_write+0x319/0x4d0 [ 47.046999] ? do_pipe_flags+0x160/0x160 [ 47.051265] SyS_pipe2+0x76/0x160 [ 47.054742] ? do_pipe_flags+0x160/0x160 [ 47.058828] ? SyS_read+0x210/0x210 [ 47.062471] ? __do_page_fault+0x159/0xad0 [ 47.066724] ? do_syscall_64+0x4c/0x640 [ 47.070723] ? do_pipe_flags+0x160/0x160 [ 47.074814] do_syscall_64+0x1d5/0x640 [ 47.078741] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.083942] RIP: 0033:0x449679 [ 47.087152] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 47.094910] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 47.102228] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 47.109512] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 47.116796] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000b09d [ 47.124072] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 47.131448] CPU: 1 PID: 8241 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 47.139344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.148701] Call Trace: [ 47.151290] dump_stack+0x1b2/0x281 [ 47.154922] should_fail.cold+0x10a/0x149 [ 47.159077] should_failslab+0xd6/0x130 [ 47.163064] kmem_cache_alloc+0x28e/0x3c0 [ 47.167221] alloc_inode+0xa0/0x170 [ 47.170853] new_inode_pseudo+0x14/0xe0 [ 47.174833] create_pipe_files+0x84/0x880 [ 47.179081] ? pipe_release+0x300/0x300 [ 47.183049] ? vfs_write+0x319/0x4d0 [ 47.186751] ? do_pipe_flags+0x160/0x160 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program [ 47.190835] SyS_pipe2+0x76/0x160 [ 47.194282] ? do_pipe_flags+0x160/0x160 [ 47.198342] ? SyS_read+0x210/0x210 [ 47.201959] ? __do_page_fault+0x159/0xad0 [ 47.206205] ? do_syscall_64+0x4c/0x640 [ 47.210182] ? do_pipe_flags+0x160/0x160 [ 47.214226] do_syscall_64+0x1d5/0x640 [ 47.218110] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.223290] RIP: 0033:0x449679 [ 47.226550] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 47.234245] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 47.241516] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 47.244618] FAULT_INJECTION: forcing a failure. [ 47.244618] name failslab, interval 1, probability 0, space 0, times 0 [ 47.248785] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 47.248790] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000b3d0 [ 47.248795] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 47.251979] FAULT_INJECTION: forcing a failure. [ 47.251979] name failslab, interval 1, probability 0, space 0, times 0 [ 47.269536] CPU: 0 PID: 8239 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 47.301673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.311055] Call Trace: [ 47.313658] dump_stack+0x1b2/0x281 [ 47.317312] should_fail.cold+0x10a/0x149 [ 47.321496] should_failslab+0xd6/0x130 [ 47.325484] kmem_cache_alloc+0x28e/0x3c0 [ 47.329675] alloc_inode+0xa0/0x170 [ 47.333333] new_inode_pseudo+0x14/0xe0 [ 47.337324] create_pipe_files+0x84/0x880 [ 47.341503] ? pipe_release+0x300/0x300 [ 47.345491] ? vfs_write+0x319/0x4d0 [ 47.349218] ? do_pipe_flags+0x160/0x160 [ 47.353294] SyS_pipe2+0x76/0x160 [ 47.356780] ? do_pipe_flags+0x160/0x160 [ 47.360852] ? SyS_read+0x210/0x210 [ 47.364484] ? __do_page_fault+0x159/0xad0 [ 47.368755] ? do_syscall_64+0x4c/0x640 [ 47.372742] ? do_pipe_flags+0x160/0x160 [ 47.376858] do_syscall_64+0x1d5/0x640 [ 47.380820] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.386045] RIP: 0033:0x449679 [ 47.389268] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 47.397022] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 47.404298] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 47.411576] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 47.418853] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000b3f9 [ 47.426128] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 47.433507] CPU: 1 PID: 8240 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 47.441393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.450753] Call Trace: [ 47.453328] dump_stack+0x1b2/0x281 [ 47.456943] should_fail.cold+0x10a/0x149 [ 47.461076] should_failslab+0xd6/0x130 [ 47.465035] kmem_cache_alloc+0x28e/0x3c0 [ 47.469173] alloc_inode+0xa0/0x170 [ 47.472797] new_inode_pseudo+0x14/0xe0 [ 47.476761] create_pipe_files+0x84/0x880 [ 47.480894] ? pipe_release+0x300/0x300 [ 47.484853] ? vfs_write+0x319/0x4d0 [ 47.488562] ? do_pipe_flags+0x160/0x160 [ 47.492612] SyS_pipe2+0x76/0x160 [ 47.496054] ? do_pipe_flags+0x160/0x160 [ 47.500098] ? SyS_read+0x210/0x210 [ 47.503711] ? __do_page_fault+0x159/0xad0 [ 47.507956] ? do_syscall_64+0x4c/0x640 [ 47.511911] ? do_pipe_flags+0x160/0x160 [ 47.515965] do_syscall_64+0x1d5/0x640 [ 47.519939] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.524993] FAULT_INJECTION: forcing a failure. [ 47.524993] name failslab, interval 1, probability 0, space 0, times 0 [ 47.525114] RIP: 0033:0x449679 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 47.525122] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 47.547163] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 47.554415] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 47.561666] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 47.568921] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000b3f5 [ 47.576180] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 47.583673] CPU: 0 PID: 8243 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 47.591604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.600991] Call Trace: [ 47.603591] dump_stack+0x1b2/0x281 [ 47.607254] should_fail.cold+0x10a/0x149 [ 47.611457] should_failslab+0xd6/0x130 [ 47.615447] kmem_cache_alloc+0x28e/0x3c0 [ 47.619615] alloc_inode+0xa0/0x170 [ 47.623267] new_inode_pseudo+0x14/0xe0 [ 47.627286] create_pipe_files+0x84/0x880 [ 47.631452] ? pipe_release+0x300/0x300 [ 47.635464] ? vfs_write+0x319/0x4d0 [ 47.639200] ? do_pipe_flags+0x160/0x160 [ 47.643305] SyS_pipe2+0x76/0x160 [ 47.646767] ? do_pipe_flags+0x160/0x160 [ 47.650859] ? SyS_read+0x210/0x210 [ 47.654490] ? __do_page_fault+0x159/0xad0 [ 47.658734] ? do_syscall_64+0x4c/0x640 [ 47.662721] ? do_pipe_flags+0x160/0x160 [ 47.666812] do_syscall_64+0x1d5/0x640 [ 47.670732] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.675961] RIP: 0033:0x449679 [ 47.679182] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 47.686920] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 executing program [ 47.694196] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 47.701474] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 47.708750] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000b41b [ 47.716031] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 47.723361] CPU: 1 PID: 8242 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 47.729746] FAULT_INJECTION: forcing a failure. [ 47.729746] name failslab, interval 1, probability 0, space 0, times 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 47.731275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.731280] Call Trace: [ 47.731295] dump_stack+0x1b2/0x281 [ 47.731311] should_fail.cold+0x10a/0x149 [ 47.731325] should_failslab+0xd6/0x130 [ 47.731336] kmem_cache_alloc+0x28e/0x3c0 [ 47.731349] alloc_inode+0xa0/0x170 [ 47.731358] new_inode_pseudo+0x14/0xe0 [ 47.731369] create_pipe_files+0x84/0x880 [ 47.731379] ? pipe_release+0x300/0x300 [ 47.731390] ? vfs_write+0x319/0x4d0 [ 47.731397] ? do_pipe_flags+0x160/0x160 [ 47.731407] SyS_pipe2+0x76/0x160 [ 47.731416] ? do_pipe_flags+0x160/0x160 [ 47.731423] ? SyS_read+0x210/0x210 [ 47.731432] ? __do_page_fault+0x159/0xad0 [ 47.731441] ? do_syscall_64+0x4c/0x640 [ 47.731450] ? do_pipe_flags+0x160/0x160 [ 47.731457] do_syscall_64+0x1d5/0x640 [ 47.731472] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.793359] FAULT_INJECTION: forcing a failure. [ 47.793359] name failslab, interval 1, probability 0, space 0, times 0 [ 47.793722] RIP: 0033:0x449679 [ 47.793729] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 47.848868] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 47.856129] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 47.863831] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 47.871447] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000b49d [ 47.878719] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 47.886000] CPU: 0 PID: 8245 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 47.893953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.903431] Call Trace: [ 47.906051] dump_stack+0x1b2/0x281 [ 47.909742] should_fail.cold+0x10a/0x149 [ 47.913951] should_failslab+0xd6/0x130 [ 47.917970] kmem_cache_alloc+0x28e/0x3c0 [ 47.922147] alloc_inode+0xa0/0x170 [ 47.925821] new_inode_pseudo+0x14/0xe0 [ 47.929862] create_pipe_files+0x84/0x880 [ 47.934051] ? pipe_release+0x300/0x300 [ 47.938058] ? vfs_write+0x319/0x4d0 [ 47.941776] ? do_pipe_flags+0x160/0x160 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 47.945872] SyS_pipe2+0x76/0x160 [ 47.949342] ? do_pipe_flags+0x160/0x160 [ 47.953435] ? SyS_read+0x210/0x210 [ 47.957070] ? __do_page_fault+0x159/0xad0 [ 47.961333] ? do_syscall_64+0x4c/0x640 [ 47.965322] ? do_pipe_flags+0x160/0x160 [ 47.969420] do_syscall_64+0x1d5/0x640 [ 47.973339] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.978552] RIP: 0033:0x449679 [ 47.981774] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 47.989523] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 47.996800] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 48.004073] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 48.011353] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000b79a [ 48.018643] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 48.025977] CPU: 1 PID: 8244 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 48.031468] FAULT_INJECTION: forcing a failure. [ 48.031468] name failslab, interval 1, probability 0, space 0, times 0 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 48.033863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.033868] Call Trace: [ 48.033884] dump_stack+0x1b2/0x281 [ 48.033900] should_fail.cold+0x10a/0x149 [ 48.033915] should_failslab+0xd6/0x130 [ 48.033926] kmem_cache_alloc+0x28e/0x3c0 [ 48.033939] alloc_inode+0xa0/0x170 [ 48.033949] new_inode_pseudo+0x14/0xe0 [ 48.033959] create_pipe_files+0x84/0x880 [ 48.033969] ? pipe_release+0x300/0x300 [ 48.033979] ? vfs_write+0x319/0x4d0 [ 48.033987] ? do_pipe_flags+0x160/0x160 [ 48.033997] SyS_pipe2+0x76/0x160 [ 48.034006] ? do_pipe_flags+0x160/0x160 [ 48.034013] ? SyS_read+0x210/0x210 [ 48.034023] ? __do_page_fault+0x159/0xad0 [ 48.034031] ? do_syscall_64+0x4c/0x640 [ 48.034040] ? do_pipe_flags+0x160/0x160 [ 48.034053] do_syscall_64+0x1d5/0x640 [ 48.089876] FAULT_INJECTION: forcing a failure. [ 48.089876] name failslab, interval 1, probability 0, space 0, times 0 [ 48.092747] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 48.092755] RIP: 0033:0x449679 [ 48.092759] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 48.092769] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 48.092774] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 48.092779] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 48.092783] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000b5e2 [ 48.092789] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 48.110823] CPU: 1 PID: 8246 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 48.196530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.205868] Call Trace: [ 48.208450] dump_stack+0x1b2/0x281 [ 48.212084] should_fail.cold+0x10a/0x149 [ 48.216217] should_failslab+0xd6/0x130 [ 48.220195] kmem_cache_alloc+0x28e/0x3c0 [ 48.224328] alloc_inode+0xa0/0x170 [ 48.227968] new_inode_pseudo+0x14/0xe0 [ 48.231943] create_pipe_files+0x84/0x880 [ 48.236078] ? pipe_release+0x300/0x300 [ 48.240034] ? vfs_write+0x319/0x4d0 [ 48.243726] ? do_pipe_flags+0x160/0x160 [ 48.247779] SyS_pipe2+0x76/0x160 [ 48.251216] ? do_pipe_flags+0x160/0x160 [ 48.255286] ? SyS_read+0x210/0x210 [ 48.258898] ? __do_page_fault+0x159/0xad0 [ 48.263122] ? do_syscall_64+0x4c/0x640 [ 48.267083] ? do_pipe_flags+0x160/0x160 [ 48.271126] do_syscall_64+0x1d5/0x640 [ 48.275020] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 48.280193] RIP: 0033:0x449679 [ 48.283403] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 48.291117] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 48.298376] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 48.305628] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 48.312888] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000b713 [ 48.320153] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 48.321469] FAULT_INJECTION: forcing a failure. [ 48.321469] name failslab, interval 1, probability 0, space 0, times 0 [ 48.339984] CPU: 0 PID: 8248 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 executing program executing program [ 48.347927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.348955] FAULT_INJECTION: forcing a failure. [ 48.348955] name failslab, interval 1, probability 0, space 0, times 0 [ 48.357342] Call Trace: [ 48.357378] dump_stack+0x1b2/0x281 [ 48.357449] should_fail.cold+0x10a/0x149 [ 48.357500] should_failslab+0xd6/0x130 [ 48.383044] kmem_cache_alloc+0x28e/0x3c0 [ 48.387222] alloc_inode+0xa0/0x170 [ 48.390865] new_inode_pseudo+0x14/0xe0 [ 48.394855] create_pipe_files+0x84/0x880 [ 48.399020] ? pipe_release+0x300/0x300 [ 48.403012] ? vfs_write+0x319/0x4d0 [ 48.406751] ? do_pipe_flags+0x160/0x160 [ 48.410912] FAULT_INJECTION: forcing a failure. [ 48.410912] name failslab, interval 1, probability 0, space 0, times 0 [ 48.411196] SyS_pipe2+0x76/0x160 [ 48.422920] FAULT_INJECTION: forcing a failure. [ 48.422920] name failslab, interval 1, probability 0, space 0, times 0 [ 48.425930] ? do_pipe_flags+0x160/0x160 [ 48.425952] ? SyS_read+0x210/0x210 [ 48.425970] ? __do_page_fault+0x159/0xad0 [ 48.425993] ? do_syscall_64+0x4c/0x640 [ 48.426019] ? do_pipe_flags+0x160/0x160 [ 48.426044] do_syscall_64+0x1d5/0x640 [ 48.461175] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 48.466373] RIP: 0033:0x449679 [ 48.469574] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 48.477310] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 48.484588] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 48.491883] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 48.499185] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000b8a0 [ 48.506505] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 48.513850] CPU: 1 PID: 8252 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 48.521745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.531079] Call Trace: [ 48.533650] dump_stack+0x1b2/0x281 [ 48.537277] should_fail.cold+0x10a/0x149 [ 48.541407] should_failslab+0xd6/0x130 [ 48.545363] kmem_cache_alloc+0x28e/0x3c0 [ 48.549510] alloc_inode+0xa0/0x170 [ 48.553137] new_inode_pseudo+0x14/0xe0 [ 48.557098] create_pipe_files+0x84/0x880 [ 48.561232] ? pipe_release+0x300/0x300 [ 48.565189] ? vfs_write+0x319/0x4d0 [ 48.568898] ? do_pipe_flags+0x160/0x160 [ 48.572939] SyS_pipe2+0x76/0x160 [ 48.576376] ? do_pipe_flags+0x160/0x160 [ 48.580417] ? SyS_read+0x210/0x210 [ 48.584023] ? __do_page_fault+0x159/0xad0 [ 48.588239] ? do_syscall_64+0x4c/0x640 [ 48.592208] ? do_pipe_flags+0x160/0x160 [ 48.596250] do_syscall_64+0x1d5/0x640 [ 48.600129] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 48.605297] RIP: 0033:0x449679 [ 48.608469] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 48.616415] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 48.623664] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 48.630999] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 48.638249] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000b9b8 [ 48.645499] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 48.652778] CPU: 0 PID: 8247 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 48.660712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.670562] Call Trace: [ 48.673182] dump_stack+0x1b2/0x281 [ 48.676845] should_fail.cold+0x10a/0x149 [ 48.681043] should_failslab+0xd6/0x130 [ 48.685059] kmem_cache_alloc+0x28e/0x3c0 [ 48.689284] alloc_inode+0xa0/0x170 [ 48.692969] new_inode_pseudo+0x14/0xe0 [ 48.696991] create_pipe_files+0x84/0x880 [ 48.701174] ? pipe_release+0x300/0x300 [ 48.705174] ? vfs_write+0x319/0x4d0 [ 48.708899] ? do_pipe_flags+0x160/0x160 [ 48.713009] SyS_pipe2+0x76/0x160 [ 48.716474] ? do_pipe_flags+0x160/0x160 [ 48.720542] ? SyS_read+0x210/0x210 [ 48.724191] ? __do_page_fault+0x159/0xad0 [ 48.728433] ? do_syscall_64+0x4c/0x640 [ 48.732420] ? do_pipe_flags+0x160/0x160 [ 48.736493] do_syscall_64+0x1d5/0x640 [ 48.740423] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 48.745639] RIP: 0033:0x449679 [ 48.748882] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 48.756619] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 48.763901] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 48.771195] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 48.778477] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000b78f [ 48.785753] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 48.793105] CPU: 1 PID: 8250 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 48.800984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.810321] Call Trace: [ 48.812890] dump_stack+0x1b2/0x281 [ 48.816498] should_fail.cold+0x10a/0x149 [ 48.820626] should_failslab+0xd6/0x130 [ 48.824578] kmem_cache_alloc+0x28e/0x3c0 [ 48.828705] alloc_inode+0xa0/0x170 [ 48.832323] new_inode_pseudo+0x14/0xe0 [ 48.836295] create_pipe_files+0x84/0x880 [ 48.840424] ? pipe_release+0x300/0x300 [ 48.844378] ? vfs_write+0x319/0x4d0 [ 48.848070] ? do_pipe_flags+0x160/0x160 [ 48.852138] SyS_pipe2+0x76/0x160 [ 48.855582] ? do_pipe_flags+0x160/0x160 [ 48.859622] ? SyS_read+0x210/0x210 [ 48.863271] ? __do_page_fault+0x159/0xad0 [ 48.867523] ? do_syscall_64+0x4c/0x640 [ 48.871493] ? do_pipe_flags+0x160/0x160 [ 48.875556] do_syscall_64+0x1d5/0x640 [ 48.879431] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 48.884624] RIP: 0033:0x449679 [ 48.887801] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 48.895494] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 48.902773] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 48.910027] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 48.917304] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000bac4 [ 48.924552] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 48.931822] CPU: 0 PID: 8249 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 48.939864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.949294] Call Trace: [ 48.951932] dump_stack+0x1b2/0x281 [ 48.955613] should_fail.cold+0x10a/0x149 [ 48.959822] should_failslab+0xd6/0x130 [ 48.963851] kmem_cache_alloc+0x28e/0x3c0 [ 48.968054] alloc_inode+0xa0/0x170 [ 48.971731] new_inode_pseudo+0x14/0xe0 [ 48.975750] create_pipe_files+0x84/0x880 [ 48.979927] ? pipe_release+0x300/0x300 [ 48.983919] ? vfs_write+0x319/0x4d0 [ 48.987638] ? do_pipe_flags+0x160/0x160 [ 48.991747] SyS_pipe2+0x76/0x160 [ 48.995245] ? do_pipe_flags+0x160/0x160 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 48.999311] ? SyS_read+0x210/0x210 [ 49.002960] ? __do_page_fault+0x159/0xad0 [ 49.007211] ? do_syscall_64+0x4c/0x640 [ 49.011199] ? do_pipe_flags+0x160/0x160 [ 49.015373] do_syscall_64+0x1d5/0x640 [ 49.019291] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 49.024507] RIP: 0033:0x449679 [ 49.027745] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 49.035485] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 49.042795] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 49.050126] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 49.057475] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000ba87 [ 49.061777] FAULT_INJECTION: forcing a failure. [ 49.061777] name failslab, interval 1, probability 0, space 0, times 0 [ 49.064786] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 49.068903] FAULT_INJECTION: forcing a failure. [ 49.068903] name failslab, interval 1, probability 0, space 0, times 0 [ 49.086191] CPU: 1 PID: 8251 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 49.097025] FAULT_INJECTION: forcing a failure. [ 49.097025] name failslab, interval 1, probability 0, space 0, times 0 [ 49.102650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.102655] Call Trace: [ 49.102672] dump_stack+0x1b2/0x281 [ 49.129361] should_fail.cold+0x10a/0x149 [ 49.133494] should_failslab+0xd6/0x130 [ 49.137885] kmem_cache_alloc+0x28e/0x3c0 [ 49.142024] alloc_inode+0xa0/0x170 [ 49.145634] new_inode_pseudo+0x14/0xe0 [ 49.149591] create_pipe_files+0x84/0x880 [ 49.153719] ? pipe_release+0x300/0x300 [ 49.157676] ? vfs_write+0x319/0x4d0 [ 49.161367] ? do_pipe_flags+0x160/0x160 [ 49.165421] SyS_pipe2+0x76/0x160 [ 49.168852] ? do_pipe_flags+0x160/0x160 [ 49.172910] ? SyS_read+0x210/0x210 [ 49.176518] ? __do_page_fault+0x159/0xad0 [ 49.180820] ? do_syscall_64+0x4c/0x640 [ 49.187307] ? do_pipe_flags+0x160/0x160 [ 49.191348] do_syscall_64+0x1d5/0x640 [ 49.195218] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 49.200387] RIP: 0033:0x449679 [ 49.203567] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 49.211258] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 49.218520] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 49.225767] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 49.233018] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000b837 [ 49.240268] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 49.247553] CPU: 0 PID: 8255 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 49.255514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.264964] Call Trace: [ 49.267581] dump_stack+0x1b2/0x281 [ 49.271253] should_fail.cold+0x10a/0x149 [ 49.275441] should_failslab+0xd6/0x130 [ 49.279429] kmem_cache_alloc+0x28e/0x3c0 [ 49.283598] alloc_inode+0xa0/0x170 [ 49.287235] new_inode_pseudo+0x14/0xe0 [ 49.291223] create_pipe_files+0x84/0x880 [ 49.295394] ? pipe_release+0x300/0x300 [ 49.299389] ? vfs_write+0x319/0x4d0 [ 49.303123] ? do_pipe_flags+0x160/0x160 [ 49.307255] SyS_pipe2+0x76/0x160 [ 49.310774] ? do_pipe_flags+0x160/0x160 [ 49.311824] FAULT_INJECTION: forcing a failure. [ 49.311824] name failslab, interval 1, probability 0, space 0, times 0 [ 49.314849] ? SyS_read+0x210/0x210 [ 49.314870] ? __do_page_fault+0x159/0xad0 [ 49.314894] ? do_syscall_64+0x4c/0x640 [ 49.314919] ? do_pipe_flags+0x160/0x160 [ 49.342062] do_syscall_64+0x1d5/0x640 [ 49.345989] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 49.351191] RIP: 0033:0x449679 [ 49.354398] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 49.362160] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 49.369472] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 49.376804] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 49.384111] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000bbb6 [ 49.391404] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 49.398737] CPU: 1 PID: 8253 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 49.406620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.416737] Call Trace: [ 49.419307] dump_stack+0x1b2/0x281 [ 49.422916] should_fail.cold+0x10a/0x149 [ 49.427045] should_failslab+0xd6/0x130 [ 49.431006] kmem_cache_alloc+0x28e/0x3c0 [ 49.435151] alloc_inode+0xa0/0x170 [ 49.438774] new_inode_pseudo+0x14/0xe0 [ 49.442744] create_pipe_files+0x84/0x880 [ 49.446882] ? pipe_release+0x300/0x300 [ 49.450838] ? vfs_write+0x319/0x4d0 [ 49.454616] ? do_pipe_flags+0x160/0x160 [ 49.458672] SyS_pipe2+0x76/0x160 [ 49.462106] ? do_pipe_flags+0x160/0x160 [ 49.466166] ? SyS_read+0x210/0x210 [ 49.469793] ? __do_page_fault+0x159/0xad0 [ 49.474010] ? do_syscall_64+0x4c/0x640 [ 49.477965] ? do_pipe_flags+0x160/0x160 [ 49.482005] do_syscall_64+0x1d5/0x640 [ 49.485880] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 49.491049] RIP: 0033:0x449679 [ 49.494224] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 49.501913] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 49.509174] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 49.516437] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 49.523685] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000bbed [ 49.530943] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 49.538227] CPU: 0 PID: 8254 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 49.546156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.555546] Call Trace: [ 49.558186] dump_stack+0x1b2/0x281 [ 49.561871] should_fail.cold+0x10a/0x149 [ 49.566088] should_failslab+0xd6/0x130 [ 49.570106] kmem_cache_alloc+0x28e/0x3c0 [ 49.574294] alloc_inode+0xa0/0x170 [ 49.577944] new_inode_pseudo+0x14/0xe0 [ 49.581955] create_pipe_files+0x84/0x880 [ 49.586131] ? pipe_release+0x300/0x300 [ 49.590117] ? vfs_write+0x319/0x4d0 [ 49.593833] ? do_pipe_flags+0x160/0x160 [ 49.597926] SyS_pipe2+0x76/0x160 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 49.601397] ? do_pipe_flags+0x160/0x160 [ 49.605462] ? SyS_read+0x210/0x210 [ 49.609098] ? __do_page_fault+0x159/0xad0 [ 49.613342] ? do_syscall_64+0x4c/0x640 [ 49.617345] ? do_pipe_flags+0x160/0x160 [ 49.621453] do_syscall_64+0x1d5/0x640 [ 49.625387] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 49.630609] RIP: 0033:0x449679 [ 49.633811] RSP: 002b:00007ffc2d3eb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 49.641556] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000449679 [ 49.642488] FAULT_INJECTION: forcing a failure. [ 49.642488] name failslab, interval 1, probability 0, space 0, times 0 [ 49.648839] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 [ 49.648851] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffc2d3eb240 [ 49.648864] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000bcee [ 49.648879] R13: 00007ffc2d3eb240 R14: 00007ffc2d3eb230 R15: 00007ffc2d3eb220 [ 49.653113] FAULT_INJECTION: forcing a failure. [ 49.653113] name failslab, interval 1, probability 0, space 0, times 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 49.668730] CPU: 1 PID: 8256 Comm: syz-executor829 Not tainted 4.14.222-syzkaller #0 [ 49.708752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.718097] Call Trace: [ 49.720668] dump_stack+0x1b2/0x281 [ 49.724285] should_fail.cold+0x10a/0x149 [ 49.728415] should_failslab+0xd6/0x130 [ 49.732368] kmem_cache_alloc+0x28e/0x3c0 [ 49.736499] alloc_inode+0xa0/0x170 [ 49.740104] new_inode_pseudo+0x14/0xe0 [ 49.744072] create_pipe_files+0x84/0x880 [ 49.748203] ? pipe_release+0x300/0x300