[ 39.141353] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.119' (ECDSA) to the list of known hosts. [ 44.714519] random: sshd: uninitialized urandom read (32 bytes read) [ 44.835648] audit: type=1400 audit(1580710412.370:36): avc: denied { map } for pid=7354 comm="syz-executor694" path="/root/syz-executor694149072" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 44.839223] FAULT_INJECTION: forcing a failure. [ 44.839223] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 44.874304] CPU: 1 PID: 7354 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 44.882189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.891536] Call Trace: [ 44.894128] dump_stack+0x142/0x197 [ 44.897907] should_fail.cold+0x10f/0x159 [ 44.902135] ? __might_sleep+0x93/0xb0 [ 44.906072] __alloc_pages_nodemask+0x1d6/0x7a0 [ 44.910728] ? save_trace+0x290/0x290 [ 44.914532] ? __alloc_pages_slowpath+0x2930/0x2930 [ 44.919542] ? cpuacct_charge+0x1db/0x360 [ 44.924980] ? cpuacct_charge+0x1db/0x360 [ 44.929130] ? save_trace+0x290/0x290 [ 44.932960] ? get_task_policy.part.0+0x85/0xa0 [ 44.937742] alloc_pages_vma+0xc9/0x4c0 [ 44.941715] wp_page_copy+0x1f8/0x13d0 [ 44.945695] ? follow_pfn+0x220/0x220 [ 44.949497] ? do_raw_spin_unlock+0x174/0x260 [ 44.954118] do_wp_page+0x24b/0x1250 [ 44.957838] ? finish_mkwrite_fault+0x620/0x620 [ 44.962515] __handle_mm_fault+0x1cc3/0x33d0 [ 44.966916] ? copy_page_range+0x1de0/0x1de0 [ 44.971325] ? find_held_lock+0x35/0x130 [ 44.975374] ? handle_mm_fault+0x1b6/0x7c0 [ 44.979662] handle_mm_fault+0x293/0x7c0 [ 44.983719] __do_page_fault+0x4c1/0xb80 [ 44.987787] ? vmalloc_fault+0xe30/0xe30 [ 44.991841] ? page_fault+0x2f/0x50 [ 44.995471] do_page_fault+0x71/0x511 [ 44.999324] ? page_fault+0x2f/0x50 [ 45.002949] page_fault+0x45/0x50 [ 45.006394] RIP: 0033:0x44482e [ 45.009576] RSP: 002b:00007ffea7ab5080 EFLAGS: 00010246 [ 45.014951] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000044470a [ 45.022218] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 45.029488] RBP: 00007ffea7ab50a0 R08: 0000000000000000 R09: 0000000002674940 [ 45.036752] R10: 0000000002674c10 R11: 0000000000000246 R12: 0000000000000000 [ 45.044019] R13: 0000000000001cbb R14: 0000000000000000 R15: 0000000000000000 [ 45.052477] syz-executor694 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=0 [ 45.062825] syz-executor694 cpuset=/ mems_allowed=0-1 [ 45.068219] CPU: 1 PID: 7354 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 45.076142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.085497] Call Trace: [ 45.088077] dump_stack+0x142/0x197 [ 45.091712] dump_header+0x177/0x6cd [ 45.095418] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 45.100506] ? ___ratelimit+0x55/0x537 [ 45.104378] oom_kill_process.cold+0x10/0xadd [ 45.108873] ? oom_unkillable_task+0x294/0x390 [ 45.113581] ? lock_downgrade+0x740/0x740 [ 45.117721] out_of_memory+0x2ee/0x1180 [ 45.121685] ? lock_acquire+0x16f/0x430 [ 45.125652] ? oom_killer_disable+0x1d0/0x1d0 [ 45.130150] ? mutex_trylock+0x168/0x1c0 [ 45.134223] ? pagefault_out_of_memory+0xb8/0xd7 [ 45.138977] pagefault_out_of_memory+0xc9/0xd7 [ 45.143551] ? out_of_memory+0x1180/0x1180 [ 45.147791] ? lock_downgrade+0x740/0x740 [ 45.151951] mm_fault_error+0xb6/0x2c0 [ 45.155839] __do_page_fault+0xa35/0xb80 [ 45.159907] ? vmalloc_fault+0xe30/0xe30 [ 45.163976] ? page_fault+0x2f/0x50 [ 45.167588] do_page_fault+0x71/0x511 [ 45.171369] ? page_fault+0x2f/0x50 [ 45.174996] page_fault+0x45/0x50 [ 45.178438] RIP: 0033:0x44482e [ 45.181625] RSP: 002b:00007ffea7ab5080 EFLAGS: 00010246 [ 45.186986] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000044470a [ 45.194257] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 45.201516] RBP: 00007ffea7ab50a0 R08: 0000000000000000 R09: 0000000002674940 [ 45.208988] R10: 0000000002674c10 R11: 0000000000000246 R12: 0000000000000000 [ 45.216247] R13: 0000000000001cbb R14: 0000000000000000 R15: 0000000000000000 [ 45.223925] Mem-Info: [ 45.226395] active_anon:3796 inactive_anon:194 isolated_anon:0 [ 45.226395] active_file:4089 inactive_file:8122 isolated_file:0 [ 45.226395] unevictable:0 dirty:6595 writeback:0 unstable:0 [ 45.226395] slab_reclaimable:12994 slab_unreclaimable:94147 [ 45.226395] mapped:1879 shmem:250 pagetables:314 bounce:0 [ 45.226395] free:1463694 free_pcp:193 free_cma:0 [ 45.259973] Node 0 active_anon:15184kB inactive_anon:776kB active_file:16212kB inactive_file:32488kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:7516kB dirty:26368kB writeback:0kB shmem:1000kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 45.288320] Node 1 active_anon:0kB inactive_anon:0kB active_file:144kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:12kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 45.314435] Node 0 DMA free:15908kB min:216kB low:268kB high:320kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 45.341366] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 45.346428] Node 0 DMA32 free:2055752kB min:36384kB low:45480kB high:54576kB active_anon:15184kB inactive_anon:776kB active_file:16212kB inactive_file:32488kB unevictable:0kB writepending:26372kB present:3129332kB managed:2634396kB mlocked:0kB kernel_stack:6048kB pagetables:1256kB bounce:0kB free_pcp:768kB local_pcp:136kB free_cma:0kB [ 45.376370] lowmem_reserve[]: 0 0 0 0 0 [ 45.380453] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 45.406130] lowmem_reserve[]: 0 0 0 0 0 [ 45.410550] Node 1 Normal free:3783108kB min:53504kB low:66880kB high:80256kB active_anon:0kB inactive_anon:0kB active_file:144kB inactive_file:0kB unevictable:0kB writepending:12kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 45.438448] lowmem_reserve[]: 0 0 0 0 0 [ 45.442537] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 45.456291] Node 0 DMA32: 1262*4kB (UME) 60*8kB (UME) 1583*16kB (UME) 862*32kB (UME) 312*64kB (UME) 80*128kB (UME) 68*256kB (UM) 26*512kB (ME) 15*1024kB (ME) 4*2048kB (UM) 467*4096kB (M) = 2055752kB [ 45.474301] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 45.485201] Node 1 Normal: 53*4kB (UME) 374*8kB (UE) 258*16kB (U) 63*32kB (UME) 11*64kB (UME) 9*128kB (U) 8*256kB (UM) 1*512kB (U) 1*1024kB (M) 4*2048kB (ME) 918*4096kB (M) = 3783108kB [ 45.502033] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 45.511125] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 45.519717] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 45.528683] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 45.531194] IPVS: ftp: loaded support on port[0] = 21 [ 45.537332] 12466 total pagecache pages [ 45.546887] 0 pages in swap cache [ 45.550375] Swap cache stats: add 0, delete 0, find 0/0 [ 45.556368] Free swap = 0kB [ 45.559371] Total swap = 0kB [ 45.562691] 1965979 pages RAM [ 45.565816] 0 pages HighMem/MovableOnly [ 45.569775] 335855 pages reserved [ 45.573354] 0 pages cma reserved [ 45.576726] Out of memory: Kill process 7279 (restorecond) score 0 or sacrifice child [ 45.585138] Killed process 7279 (restorecond) total-vm:51708kB, anon-rss:4920kB, file-rss:1232kB, shmem-rss:0kB [ 45.615125] oom_reaper: reaped process 7279 (restorecond), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 46.328990] FAULT_INJECTION: forcing a failure. [ 46.328990] name failslab, interval 1, probability 0, space 0, times 1 [ 46.340678] CPU: 1 PID: 7367 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 46.348580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.358013] Call Trace: [ 46.360607] dump_stack+0x142/0x197 [ 46.364233] should_fail.cold+0x10f/0x159 [ 46.368403] should_failslab+0xdb/0x130 [ 46.372371] __kmalloc+0x2f0/0x7a0 [ 46.375920] ? __list_lru_init+0x6b/0x660 [ 46.380094] __list_lru_init+0x6b/0x660 [ 46.384126] sget_userns+0x500/0xc30 [ 46.387866] ? ns_test_super+0x50/0x50 [ 46.391757] ? set_bdev_super+0x120/0x120 [ 46.396020] ? set_bdev_super+0x120/0x120 [ 46.400167] ? ns_test_super+0x50/0x50 [ 46.404061] sget+0xd6/0x120 [ 46.407084] mount_bdev+0xd5/0x370 [ 46.410623] ? isofs_bread+0xe0/0xe0 [ 46.414340] isofs_mount+0x35/0x40 [ 46.417944] mount_fs+0x97/0x2a1 [ 46.421366] vfs_kern_mount.part.0+0x5e/0x3d0 [ 46.425965] do_mount+0x417/0x27d0 [ 46.429497] ? copy_mount_options+0x5c/0x2f0 [ 46.433907] ? rcu_read_lock_sched_held+0x110/0x130 [ 46.438973] ? copy_mount_string+0x40/0x40 [ 46.443332] ? copy_mount_options+0x1fe/0x2f0 [ 46.447859] SyS_mount+0xab/0x120 [ 46.451308] ? copy_mnt_ns+0x8c0/0x8c0 [ 46.455201] do_syscall_64+0x1e8/0x640 [ 46.459092] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.464063] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.469254] RIP: 0033:0x4488ba [ 46.472434] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 46.480138] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 46.487494] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 46.494770] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 46.502221] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 46.509495] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 46.561365] FAULT_INJECTION: forcing a failure. [ 46.561365] name failslab, interval 1, probability 0, space 0, times 0 [ 46.572983] CPU: 0 PID: 7372 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 46.581005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.590444] Call Trace: [ 46.593161] dump_stack+0x142/0x197 [ 46.596783] should_fail.cold+0x10f/0x159 [ 46.600931] should_failslab+0xdb/0x130 [ 46.605122] kmem_cache_alloc+0x2d7/0x780 [ 46.609431] ? __this_cpu_preempt_check+0x1d/0x30 [ 46.614267] ? recalc_bh_state+0x3b/0x170 [ 46.618491] alloc_buffer_head+0x24/0xe0 [ 46.622567] alloc_page_buffers+0xb7/0x200 [ 46.626800] __getblk_gfp+0x334/0x7b0 [ 46.630601] ? filemap_write_and_wait+0x8d/0xb0 [ 46.635268] __bread_gfp+0x2e/0x290 [ 46.639088] isofs_fill_super+0x9c8/0x25a4 [ 46.643327] ? set_precision+0x150/0x150 [ 46.647393] ? isofs_bread+0xe0/0xe0 [ 46.651108] ? pointer+0xb10/0xb10 [ 46.654644] ? snprintf+0xa5/0xd0 [ 46.658200] ? vsprintf+0x40/0x40 [ 46.661647] ? set_blocksize+0x260/0x2f0 [ 46.665806] ? set_bdev_super+0x120/0x120 [ 46.670070] mount_bdev+0x2be/0x370 [ 46.673700] ? isofs_bread+0xe0/0xe0 [ 46.677529] isofs_mount+0x35/0x40 [ 46.681068] mount_fs+0x97/0x2a1 [ 46.684431] vfs_kern_mount.part.0+0x5e/0x3d0 [ 46.688922] do_mount+0x417/0x27d0 [ 46.692450] ? copy_mount_options+0x5c/0x2f0 [ 46.696861] ? rcu_read_lock_sched_held+0x110/0x130 [ 46.701883] ? copy_mount_string+0x40/0x40 [ 46.706109] ? copy_mount_options+0x1fe/0x2f0 [ 46.711559] SyS_mount+0xab/0x120 [ 46.715004] ? copy_mnt_ns+0x8c0/0x8c0 [ 46.718891] do_syscall_64+0x1e8/0x640 [ 46.722772] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.727616] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.732796] RIP: 0033:0x4488ba [ 46.735980] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 46.743685] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 46.750954] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 46.758324] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 46.765719] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001 [ 46.772997] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 46.797489] ISOFS: Unable to identify CD-ROM format. [ 46.848911] FAULT_INJECTION: forcing a failure. [ 46.848911] name failslab, interval 1, probability 0, space 0, times 0 [ 46.860327] CPU: 0 PID: 7375 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 46.868296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.877657] Call Trace: [ 46.880253] dump_stack+0x142/0x197 [ 46.883870] should_fail.cold+0x10f/0x159 [ 46.888019] should_failslab+0xdb/0x130 [ 46.891990] kmem_cache_alloc+0x2d7/0x780 [ 46.896140] ? __this_cpu_preempt_check+0x1d/0x30 [ 46.901111] ? recalc_bh_state+0x3b/0x170 [ 46.905265] alloc_buffer_head+0x24/0xe0 [ 46.909323] alloc_page_buffers+0xb7/0x200 [ 46.913564] __getblk_gfp+0x334/0x7b0 [ 46.917450] ? filemap_write_and_wait+0x8d/0xb0 [ 46.922118] __bread_gfp+0x2e/0x290 [ 46.925760] isofs_fill_super+0x9c8/0x25a4 [ 46.930124] ? set_precision+0x150/0x150 [ 46.934185] ? isofs_bread+0xe0/0xe0 [ 46.937904] ? pointer+0xb10/0xb10 [ 46.941445] ? snprintf+0xa5/0xd0 [ 46.944886] ? vsprintf+0x40/0x40 [ 46.948582] ? set_blocksize+0x260/0x2f0 [ 46.952629] ? set_bdev_super+0x120/0x120 [ 46.956780] mount_bdev+0x2be/0x370 [ 46.960411] ? isofs_bread+0xe0/0xe0 [ 46.964151] isofs_mount+0x35/0x40 [ 46.967678] mount_fs+0x97/0x2a1 [ 46.971043] vfs_kern_mount.part.0+0x5e/0x3d0 [ 46.975531] do_mount+0x417/0x27d0 [ 46.979076] ? copy_mount_options+0x5c/0x2f0 [ 46.983620] ? rcu_read_lock_sched_held+0x110/0x130 [ 46.988646] ? copy_mount_string+0x40/0x40 [ 46.992891] ? copy_mount_options+0x1fe/0x2f0 [ 46.997501] SyS_mount+0xab/0x120 [ 47.001022] ? copy_mnt_ns+0x8c0/0x8c0 [ 47.004918] do_syscall_64+0x1e8/0x640 [ 47.008818] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.013679] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.018856] RIP: 0033:0x4488ba [ 47.022160] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 47.029943] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 47.037213] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 47.044484] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 47.051917] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000002 [ 47.059182] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 47.086394] ISOFS: Unable to identify CD-ROM format. [ 47.110924] IPVS: ftp: loaded support on port[0] = 21 [ 47.140517] FAULT_INJECTION: forcing a failure. [ 47.140517] name failslab, interval 1, probability 0, space 0, times 0 [ 47.151846] CPU: 1 PID: 7378 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 47.159733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.169203] Call Trace: [ 47.171813] dump_stack+0x142/0x197 [ 47.175464] should_fail.cold+0x10f/0x159 [ 47.179635] should_failslab+0xdb/0x130 [ 47.183624] kmem_cache_alloc+0x2d7/0x780 [ 47.187788] ? __this_cpu_preempt_check+0x1d/0x30 [ 47.192647] ? recalc_bh_state+0x3b/0x170 [ 47.196811] alloc_buffer_head+0x24/0xe0 [ 47.200886] alloc_page_buffers+0xb7/0x200 [ 47.205120] __getblk_gfp+0x334/0x7b0 [ 47.208908] ? out_of_line_wait_on_bit+0xba/0xd0 [ 47.213717] __bread_gfp+0x2e/0x290 [ 47.217454] isofs_fill_super+0x9c8/0x25a4 [ 47.221686] ? set_precision+0x150/0x150 [ 47.225761] ? isofs_bread+0xe0/0xe0 [ 47.229462] ? pointer+0xb10/0xb10 [ 47.233003] ? snprintf+0xa5/0xd0 [ 47.236454] ? vsprintf+0x40/0x40 [ 47.240013] ? set_blocksize+0x260/0x2f0 [ 47.244077] ? set_bdev_super+0x120/0x120 [ 47.248274] mount_bdev+0x2be/0x370 [ 47.251932] ? isofs_bread+0xe0/0xe0 [ 47.255654] isofs_mount+0x35/0x40 [ 47.259187] mount_fs+0x97/0x2a1 [ 47.262912] vfs_kern_mount.part.0+0x5e/0x3d0 [ 47.267634] do_mount+0x417/0x27d0 [ 47.271170] ? copy_mount_options+0x5c/0x2f0 [ 47.275688] ? rcu_read_lock_sched_held+0x110/0x130 [ 47.280715] ? copy_mount_string+0x40/0x40 [ 47.284947] ? copy_mount_options+0x1fe/0x2f0 [ 47.289445] SyS_mount+0xab/0x120 [ 47.292909] ? copy_mnt_ns+0x8c0/0x8c0 [ 47.296795] do_syscall_64+0x1e8/0x640 [ 47.300737] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.305587] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.310776] RIP: 0033:0x4488ba [ 47.313961] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 47.321796] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 47.329200] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 47.336586] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 47.343969] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000003 [ 47.351236] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 47.372751] ISOFS: Unable to identify CD-ROM format. [ 47.440857] FAULT_INJECTION: forcing a failure. [ 47.440857] name failslab, interval 1, probability 0, space 0, times 0 [ 47.452310] CPU: 0 PID: 7385 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 47.460208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.469698] Call Trace: [ 47.472292] dump_stack+0x142/0x197 [ 47.475950] should_fail.cold+0x10f/0x159 [ 47.480238] should_failslab+0xdb/0x130 [ 47.484228] kmem_cache_alloc+0x2d7/0x780 [ 47.488367] ? __this_cpu_preempt_check+0x1d/0x30 [ 47.493205] ? recalc_bh_state+0x3b/0x170 [ 47.497360] alloc_buffer_head+0x24/0xe0 [ 47.501507] alloc_page_buffers+0xb7/0x200 [ 47.505741] __getblk_gfp+0x334/0x7b0 [ 47.509529] ? filemap_write_and_wait+0x8d/0xb0 [ 47.514205] __bread_gfp+0x2e/0x290 [ 47.517822] isofs_fill_super+0x9c8/0x25a4 [ 47.522044] ? set_precision+0x150/0x150 [ 47.526118] ? isofs_bread+0xe0/0xe0 [ 47.529847] ? pointer+0xb10/0xb10 [ 47.535294] ? snprintf+0xa5/0xd0 [ 47.538880] ? vsprintf+0x40/0x40 [ 47.542323] ? set_blocksize+0x260/0x2f0 [ 47.546392] ? set_bdev_super+0x120/0x120 [ 47.550604] mount_bdev+0x2be/0x370 [ 47.554411] ? isofs_bread+0xe0/0xe0 [ 47.558160] isofs_mount+0x35/0x40 [ 47.561751] mount_fs+0x97/0x2a1 [ 47.565122] vfs_kern_mount.part.0+0x5e/0x3d0 [ 47.569927] do_mount+0x417/0x27d0 [ 47.573565] ? copy_mount_options+0x5c/0x2f0 [ 47.578041] ? rcu_read_lock_sched_held+0x110/0x130 [ 47.583063] ? copy_mount_string+0x40/0x40 [ 47.587309] ? copy_mount_options+0x1fe/0x2f0 [ 47.591809] SyS_mount+0xab/0x120 [ 47.595312] ? copy_mnt_ns+0x8c0/0x8c0 [ 47.599211] do_syscall_64+0x1e8/0x640 [ 47.603105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.607959] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.614249] RIP: 0033:0x4488ba [ 47.617429] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 47.625132] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 47.632397] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 47.639733] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 47.647141] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000004 [ 47.654495] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 47.677659] ISOFS: Unable to identify CD-ROM format. [ 47.728291] FAULT_INJECTION: forcing a failure. [ 47.728291] name failslab, interval 1, probability 0, space 0, times 0 [ 47.739883] CPU: 0 PID: 7389 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 47.747778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.757137] Call Trace: [ 47.760082] dump_stack+0x142/0x197 [ 47.763824] should_fail.cold+0x10f/0x159 [ 47.767991] should_failslab+0xdb/0x130 [ 47.771980] kmem_cache_alloc+0x2d7/0x780 [ 47.776147] ? add_to_page_cache_lru+0x159/0x310 [ 47.780923] ? add_to_page_cache_locked+0x40/0x40 [ 47.785820] alloc_buffer_head+0x24/0xe0 [ 47.789879] alloc_page_buffers+0xb7/0x200 [ 47.794104] __getblk_gfp+0x334/0x7b0 [ 47.797899] ? out_of_line_wait_on_bit+0xba/0xd0 [ 47.802697] __bread_gfp+0x2e/0x290 [ 47.806363] isofs_fill_super+0x9c8/0x25a4 [ 47.810663] ? set_precision+0x150/0x150 [ 47.814738] ? isofs_bread+0xe0/0xe0 [ 47.818440] ? pointer+0xb10/0xb10 [ 47.821991] ? snprintf+0xa5/0xd0 [ 47.825437] ? vsprintf+0x40/0x40 [ 47.828950] ? set_blocksize+0x260/0x2f0 [ 47.833041] ? set_bdev_super+0x120/0x120 [ 47.837369] mount_bdev+0x2be/0x370 [ 47.840996] ? isofs_bread+0xe0/0xe0 [ 47.844798] isofs_mount+0x35/0x40 [ 47.848349] mount_fs+0x97/0x2a1 [ 47.851721] vfs_kern_mount.part.0+0x5e/0x3d0 [ 47.856216] do_mount+0x417/0x27d0 [ 47.859756] ? copy_mount_options+0x5c/0x2f0 [ 47.864321] ? rcu_read_lock_sched_held+0x110/0x130 [ 47.869345] ? copy_mount_string+0x40/0x40 [ 47.873645] ? copy_mount_options+0x1fe/0x2f0 [ 47.878133] SyS_mount+0xab/0x120 [ 47.881671] ? copy_mnt_ns+0x8c0/0x8c0 [ 47.885555] do_syscall_64+0x1e8/0x640 [ 47.889444] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.894301] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.899610] RIP: 0033:0x4488ba [ 47.903097] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 47.910873] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 47.918132] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 47.925480] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 47.932754] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 [ 47.940020] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 47.963604] ISOFS: Unable to identify CD-ROM format. [ 47.997958] FAULT_INJECTION: forcing a failure. [ 47.997958] name failslab, interval 1, probability 0, space 0, times 0 [ 48.009698] CPU: 0 PID: 7394 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 48.017593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.026949] Call Trace: [ 48.029653] dump_stack+0x142/0x197 [ 48.033307] should_fail.cold+0x10f/0x159 [ 48.037532] should_failslab+0xdb/0x130 [ 48.041540] kmem_cache_alloc+0x2d7/0x780 [ 48.045692] ? __this_cpu_preempt_check+0x1d/0x30 [ 48.050533] ? recalc_bh_state+0x3b/0x170 [ 48.054705] alloc_buffer_head+0x24/0xe0 [ 48.058761] alloc_page_buffers+0xb7/0x200 [ 48.062995] __getblk_gfp+0x334/0x7b0 [ 48.066791] ? filemap_write_and_wait+0x8d/0xb0 [ 48.071461] __bread_gfp+0x2e/0x290 [ 48.075126] isofs_fill_super+0x9c8/0x25a4 [ 48.079644] ? set_precision+0x150/0x150 [ 48.083700] ? isofs_bread+0xe0/0xe0 [ 48.087421] ? pointer+0xb10/0xb10 [ 48.090958] ? snprintf+0xa5/0xd0 [ 48.094587] ? vsprintf+0x40/0x40 [ 48.098044] ? set_blocksize+0x260/0x2f0 [ 48.102094] ? set_bdev_super+0x120/0x120 [ 48.106250] mount_bdev+0x2be/0x370 [ 48.109890] ? isofs_bread+0xe0/0xe0 [ 48.113670] isofs_mount+0x35/0x40 [ 48.117205] mount_fs+0x97/0x2a1 [ 48.120584] vfs_kern_mount.part.0+0x5e/0x3d0 [ 48.125130] do_mount+0x417/0x27d0 [ 48.128700] ? copy_mount_options+0x5c/0x2f0 [ 48.133475] ? rcu_read_lock_sched_held+0x110/0x130 [ 48.138687] ? copy_mount_string+0x40/0x40 [ 48.142927] ? copy_mount_options+0x1fe/0x2f0 [ 48.147479] SyS_mount+0xab/0x120 [ 48.150924] ? copy_mnt_ns+0x8c0/0x8c0 [ 48.154921] do_syscall_64+0x1e8/0x640 [ 48.158810] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.163665] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.168852] RIP: 0033:0x4488ba [ 48.172033] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 48.179733] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 48.187013] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 48.194272] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 48.201543] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000006 [ 48.209102] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 48.231928] ISOFS: Unable to identify CD-ROM format. [ 48.279348] FAULT_INJECTION: forcing a failure. [ 48.279348] name failslab, interval 1, probability 0, space 0, times 0 [ 48.290754] CPU: 0 PID: 7400 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 48.298664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.308127] Call Trace: [ 48.310730] dump_stack+0x142/0x197 [ 48.314377] should_fail.cold+0x10f/0x159 [ 48.318533] should_failslab+0xdb/0x130 [ 48.322509] kmem_cache_alloc+0x2d7/0x780 [ 48.326725] ? __this_cpu_preempt_check+0x1d/0x30 [ 48.331729] ? recalc_bh_state+0x3b/0x170 [ 48.335876] alloc_buffer_head+0x24/0xe0 [ 48.339957] alloc_page_buffers+0xb7/0x200 [ 48.344197] __getblk_gfp+0x334/0x7b0 [ 48.348180] ? filemap_write_and_wait+0x8d/0xb0 [ 48.352966] __bread_gfp+0x2e/0x290 [ 48.356584] isofs_fill_super+0x9c8/0x25a4 [ 48.360809] ? set_precision+0x150/0x150 [ 48.364917] ? isofs_bread+0xe0/0xe0 [ 48.368769] ? pointer+0xb10/0xb10 [ 48.372306] ? snprintf+0xa5/0xd0 [ 48.375811] ? vsprintf+0x40/0x40 [ 48.379277] ? set_blocksize+0x260/0x2f0 [ 48.383367] ? set_bdev_super+0x120/0x120 [ 48.387694] mount_bdev+0x2be/0x370 [ 48.391534] ? isofs_bread+0xe0/0xe0 [ 48.395273] isofs_mount+0x35/0x40 [ 48.398872] mount_fs+0x97/0x2a1 [ 48.402246] vfs_kern_mount.part.0+0x5e/0x3d0 [ 48.406832] do_mount+0x417/0x27d0 [ 48.410363] ? copy_mount_options+0x5c/0x2f0 [ 48.414814] ? rcu_read_lock_sched_held+0x110/0x130 [ 48.420107] ? copy_mount_string+0x40/0x40 [ 48.424422] ? copy_mount_options+0x1fe/0x2f0 [ 48.429057] SyS_mount+0xab/0x120 [ 48.432736] ? copy_mnt_ns+0x8c0/0x8c0 [ 48.436634] do_syscall_64+0x1e8/0x640 [ 48.440538] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.445393] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.450876] RIP: 0033:0x4488ba [ 48.454096] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 48.461943] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 48.469257] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 48.476540] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 48.483849] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000007 [ 48.491203] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 48.510927] ISOFS: Unable to identify CD-ROM format. [ 48.548077] FAULT_INJECTION: forcing a failure. [ 48.548077] name failslab, interval 1, probability 0, space 0, times 0 [ 48.564105] CPU: 0 PID: 7403 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 48.572126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.581653] Call Trace: [ 48.584563] dump_stack+0x142/0x197 [ 48.588562] should_fail.cold+0x10f/0x159 [ 48.593098] ? __lock_is_held+0xb6/0x140 [ 48.597188] ? mempool_free+0x1d0/0x1d0 [ 48.601311] should_failslab+0xdb/0x130 [ 48.605416] kmem_cache_alloc+0x47/0x780 [ 48.609597] ? mempool_free+0x1d0/0x1d0 [ 48.613668] mempool_alloc_slab+0x47/0x60 [ 48.617846] mempool_alloc+0x138/0x300 [ 48.621920] ? __find_get_block+0x5c4/0xbf0 [ 48.626249] ? remove_element.isra.0+0x1b0/0x1b0 [ 48.631008] ? mark_held_locks+0xb1/0x100 [ 48.635292] ? save_trace+0x290/0x290 [ 48.639168] ? trace_hardirqs_on_caller+0x400/0x590 [ 48.644381] bio_alloc_bioset+0x368/0x680 [ 48.648638] ? bvec_alloc+0x2e0/0x2e0 [ 48.652474] ? __getblk_gfp+0x5c/0x7b0 [ 48.656371] submit_bh_wbc+0xf6/0x720 [ 48.660172] __bread_gfp+0x106/0x290 [ 48.664054] isofs_fill_super+0x9c8/0x25a4 [ 48.668414] ? set_precision+0x150/0x150 [ 48.672532] ? isofs_bread+0xe0/0xe0 [ 48.676780] ? pointer+0xb10/0xb10 [ 48.680357] ? snprintf+0xa5/0xd0 [ 48.683852] ? vsprintf+0x40/0x40 [ 48.687308] ? set_blocksize+0x260/0x2f0 [ 48.691368] ? set_bdev_super+0x120/0x120 [ 48.695599] mount_bdev+0x2be/0x370 [ 48.699246] ? isofs_bread+0xe0/0xe0 [ 48.702956] isofs_mount+0x35/0x40 [ 48.706510] mount_fs+0x97/0x2a1 [ 48.709877] vfs_kern_mount.part.0+0x5e/0x3d0 [ 48.714427] do_mount+0x417/0x27d0 [ 48.718064] ? copy_mount_options+0x5c/0x2f0 [ 48.722733] ? rcu_read_lock_sched_held+0x110/0x130 [ 48.727755] ? copy_mount_string+0x40/0x40 [ 48.732152] ? copy_mount_options+0x1fe/0x2f0 [ 48.736797] SyS_mount+0xab/0x120 [ 48.740239] ? copy_mnt_ns+0x8c0/0x8c0 [ 48.744134] do_syscall_64+0x1e8/0x640 [ 48.748027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.752959] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.758160] RIP: 0033:0x4488ba [ 48.761496] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 48.769366] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 48.776629] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 48.783896] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 48.791255] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000008 [ 48.798677] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 48.817024] ISOFS: Unable to identify CD-ROM format. [ 48.858385] FAULT_INJECTION: forcing a failure. [ 48.858385] name failslab, interval 1, probability 0, space 0, times 0 [ 48.869955] CPU: 0 PID: 7408 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 48.877845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.887222] Call Trace: [ 48.889820] dump_stack+0x142/0x197 [ 48.893464] should_fail.cold+0x10f/0x159 [ 48.897735] ? __lock_is_held+0xb6/0x140 [ 48.901812] ? mempool_free+0x1d0/0x1d0 [ 48.905883] should_failslab+0xdb/0x130 [ 48.909859] kmem_cache_alloc+0x47/0x780 [ 48.914041] ? mempool_free+0x1d0/0x1d0 [ 48.918120] mempool_alloc_slab+0x47/0x60 [ 48.922384] mempool_alloc+0x138/0x300 [ 48.926272] ? __find_get_block+0x5c4/0xbf0 [ 48.930681] ? remove_element.isra.0+0x1b0/0x1b0 [ 48.935485] ? __lock_is_held+0xb6/0x140 [ 48.939573] ? save_trace+0x290/0x290 [ 48.943429] ? trace_hardirqs_on_caller+0x400/0x590 [ 48.948449] bio_alloc_bioset+0x368/0x680 [ 48.952601] ? bvec_alloc+0x2e0/0x2e0 [ 48.956480] ? __getblk_gfp+0x5c/0x7b0 [ 48.960364] submit_bh_wbc+0xf6/0x720 [ 48.964291] __bread_gfp+0x106/0x290 [ 48.968000] isofs_fill_super+0x9c8/0x25a4 [ 48.972223] ? set_precision+0x150/0x150 [ 48.976293] ? isofs_bread+0xe0/0xe0 [ 48.979994] ? pointer+0xb10/0xb10 [ 48.983721] ? snprintf+0xa5/0xd0 [ 48.987158] ? vsprintf+0x40/0x40 [ 48.990722] ? set_blocksize+0x260/0x2f0 [ 48.994890] ? set_bdev_super+0x120/0x120 [ 48.999104] mount_bdev+0x2be/0x370 [ 49.002727] ? isofs_bread+0xe0/0xe0 [ 49.006479] isofs_mount+0x35/0x40 [ 49.010043] mount_fs+0x97/0x2a1 [ 49.013506] vfs_kern_mount.part.0+0x5e/0x3d0 [ 49.018047] do_mount+0x417/0x27d0 [ 49.021584] ? copy_mount_options+0x5c/0x2f0 [ 49.025993] ? rcu_read_lock_sched_held+0x110/0x130 [ 49.031116] ? copy_mount_string+0x40/0x40 [ 49.035423] ? copy_mount_options+0x1fe/0x2f0 [ 49.039930] SyS_mount+0xab/0x120 [ 49.043386] ? copy_mnt_ns+0x8c0/0x8c0 [ 49.047280] do_syscall_64+0x1e8/0x640 [ 49.051210] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.056127] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.061316] RIP: 0033:0x4488ba [ 49.064502] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 49.072207] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 49.079777] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 49.087046] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 49.094372] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000009 [ 49.101636] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 49.119721] ISOFS: Unable to identify CD-ROM format. [ 49.158944] FAULT_INJECTION: forcing a failure. [ 49.158944] name failslab, interval 1, probability 0, space 0, times 0 [ 49.170770] CPU: 1 PID: 7414 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 49.178662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.188019] Call Trace: [ 49.190720] dump_stack+0x142/0x197 [ 49.194488] should_fail.cold+0x10f/0x159 [ 49.198691] should_failslab+0xdb/0x130 [ 49.202773] kmem_cache_alloc+0x2d7/0x780 [ 49.207057] ? __this_cpu_preempt_check+0x1d/0x30 [ 49.211298] FAULT_INJECTION: forcing a failure. [ 49.211298] name failslab, interval 1, probability 0, space 0, times 0 [ 49.211903] ? recalc_bh_state+0x3b/0x170 [ 49.211919] alloc_buffer_head+0x24/0xe0 [ 49.231315] alloc_page_buffers+0xb7/0x200 [ 49.235922] __getblk_gfp+0x334/0x7b0 [ 49.239742] ? filemap_write_and_wait+0x8d/0xb0 [ 49.244464] __bread_gfp+0x2e/0x290 [ 49.248123] isofs_fill_super+0x9c8/0x25a4 [ 49.252369] ? set_precision+0x150/0x150 [ 49.256451] ? isofs_bread+0xe0/0xe0 [ 49.260161] ? pointer+0xb10/0xb10 [ 49.263708] ? snprintf+0xa5/0xd0 [ 49.267171] ? vsprintf+0x40/0x40 [ 49.270642] ? set_blocksize+0x260/0x2f0 [ 49.274705] ? set_bdev_super+0x120/0x120 [ 49.278862] mount_bdev+0x2be/0x370 [ 49.282501] ? isofs_bread+0xe0/0xe0 [ 49.286222] isofs_mount+0x35/0x40 [ 49.289801] mount_fs+0x97/0x2a1 [ 49.293409] vfs_kern_mount.part.0+0x5e/0x3d0 [ 49.298002] do_mount+0x417/0x27d0 [ 49.301541] ? copy_mount_options+0x5c/0x2f0 [ 49.305952] ? rcu_read_lock_sched_held+0x110/0x130 [ 49.310982] ? copy_mount_string+0x40/0x40 [ 49.315228] ? copy_mount_options+0x1fe/0x2f0 [ 49.319719] SyS_mount+0xab/0x120 [ 49.323269] ? copy_mnt_ns+0x8c0/0x8c0 [ 49.327247] do_syscall_64+0x1e8/0x640 [ 49.331150] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.336007] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.341194] RIP: 0033:0x4488ba [ 49.344403] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 49.352119] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 49.359390] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 49.366947] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 49.374325] R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000000a [ 49.381596] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 49.388982] CPU: 0 PID: 7418 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 49.396880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.405159] ISOFS: Unable to identify CD-ROM format. [ 49.406590] Call Trace: [ 49.406612] dump_stack+0x142/0x197 [ 49.417931] should_fail.cold+0x10f/0x159 [ 49.422090] should_failslab+0xdb/0x130 [ 49.426351] kmem_cache_alloc+0x2d7/0x780 [ 49.430602] ? add_to_page_cache_lru+0x159/0x310 [ 49.435374] ? add_to_page_cache_locked+0x40/0x40 [ 49.440216] alloc_buffer_head+0x24/0xe0 [ 49.444288] alloc_page_buffers+0xb7/0x200 [ 49.448926] __getblk_gfp+0x334/0x7b0 [ 49.452737] ? out_of_line_wait_on_bit+0xba/0xd0 [ 49.457543] __bread_gfp+0x2e/0x290 [ 49.461172] isofs_fill_super+0x9c8/0x25a4 [ 49.465465] ? set_precision+0x150/0x150 [ 49.469682] ? isofs_bread+0xe0/0xe0 [ 49.473722] ? pointer+0xb10/0xb10 [ 49.477257] ? snprintf+0xa5/0xd0 [ 49.480800] ? vsprintf+0x40/0x40 [ 49.484386] ? set_blocksize+0x260/0x2f0 [ 49.488448] ? set_bdev_super+0x120/0x120 [ 49.493095] mount_bdev+0x2be/0x370 [ 49.496730] ? isofs_bread+0xe0/0xe0 [ 49.500440] isofs_mount+0x35/0x40 [ 49.503986] mount_fs+0x97/0x2a1 [ 49.507347] vfs_kern_mount.part.0+0x5e/0x3d0 [ 49.512532] do_mount+0x417/0x27d0 [ 49.516080] ? copy_mount_options+0x5c/0x2f0 [ 49.520481] ? rcu_read_lock_sched_held+0x110/0x130 [ 49.525505] ? copy_mount_string+0x40/0x40 [ 49.529759] ? copy_mount_options+0x1fe/0x2f0 [ 49.534269] SyS_mount+0xab/0x120 [ 49.537716] ? copy_mnt_ns+0x8c0/0x8c0 [ 49.541607] do_syscall_64+0x1e8/0x640 [ 49.545497] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.550343] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.555675] RIP: 0033:0x4488ba [ 49.558859] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 49.566670] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 49.574060] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 49.581934] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 49.589480] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 49.597093] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 49.624154] FAULT_INJECTION: forcing a failure. [ 49.624154] name failslab, interval 1, probability 0, space 0, times 0 [ 49.635752] CPU: 1 PID: 7421 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 49.643816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.644038] ISOFS: Unable to identify CD-ROM format. [ 49.653189] Call Trace: [ 49.653210] dump_stack+0x142/0x197 [ 49.653224] should_fail.cold+0x10f/0x159 [ 49.653235] should_failslab+0xdb/0x130 [ 49.653242] kmem_cache_alloc+0x2d7/0x780 [ 49.653260] ? add_to_page_cache_lru+0x159/0x310 [ 49.653270] ? add_to_page_cache_locked+0x40/0x40 [ 49.686766] alloc_buffer_head+0x24/0xe0 [ 49.690840] alloc_page_buffers+0xb7/0x200 [ 49.695195] __getblk_gfp+0x334/0x7b0 [ 49.698992] ? filemap_write_and_wait+0x8d/0xb0 [ 49.703669] __bread_gfp+0x2e/0x290 [ 49.707291] isofs_fill_super+0x9c8/0x25a4 [ 49.711613] ? set_precision+0x150/0x150 [ 49.715720] ? isofs_bread+0xe0/0xe0 [ 49.719438] ? pointer+0xb10/0xb10 [ 49.722976] ? snprintf+0xa5/0xd0 [ 49.726462] ? vsprintf+0x40/0x40 [ 49.730076] ? set_blocksize+0x260/0x2f0 [ 49.734326] ? set_bdev_super+0x120/0x120 [ 49.738609] mount_bdev+0x2be/0x370 [ 49.742224] ? isofs_bread+0xe0/0xe0 [ 49.745925] isofs_mount+0x35/0x40 [ 49.749513] mount_fs+0x97/0x2a1 [ 49.753089] vfs_kern_mount.part.0+0x5e/0x3d0 [ 49.757587] do_mount+0x417/0x27d0 [ 49.761123] ? copy_mount_options+0x5c/0x2f0 [ 49.765532] ? rcu_read_lock_sched_held+0x110/0x130 [ 49.770549] ? copy_mount_string+0x40/0x40 [ 49.774812] ? copy_mount_options+0x1fe/0x2f0 [ 49.780357] SyS_mount+0xab/0x120 [ 49.783820] ? copy_mnt_ns+0x8c0/0x8c0 [ 49.787704] do_syscall_64+0x1e8/0x640 [ 49.791634] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.796748] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.801933] RIP: 0033:0x4488ba [ 49.805107] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 49.812816] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 49.820386] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 49.828528] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 49.835833] R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000000b [ 49.843673] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 49.862489] ISOFS: Unable to identify CD-ROM format. [ 49.899129] FAULT_INJECTION: forcing a failure. [ 49.899129] name failslab, interval 1, probability 0, space 0, times 0 [ 49.911313] CPU: 1 PID: 7426 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 49.919218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.928580] Call Trace: [ 49.931189] dump_stack+0x142/0x197 [ 49.934839] should_fail.cold+0x10f/0x159 [ 49.939005] should_failslab+0xdb/0x130 [ 49.942995] kmem_cache_alloc+0x2d7/0x780 [ 49.947244] ? add_to_page_cache_lru+0x159/0x310 [ 49.952020] ? add_to_page_cache_locked+0x40/0x40 [ 49.956994] alloc_buffer_head+0x24/0xe0 [ 49.961116] alloc_page_buffers+0xb7/0x200 [ 49.965386] __getblk_gfp+0x334/0x7b0 [ 49.969207] ? filemap_write_and_wait+0x8d/0xb0 [ 49.974113] __bread_gfp+0x2e/0x290 [ 49.977778] isofs_fill_super+0x9c8/0x25a4 [ 49.982096] ? set_precision+0x150/0x150 [ 49.986165] ? isofs_bread+0xe0/0xe0 [ 49.989881] ? pointer+0xb10/0xb10 [ 49.994065] ? snprintf+0xa5/0xd0 [ 49.997508] ? vsprintf+0x40/0x40 [ 50.001014] ? set_blocksize+0x260/0x2f0 [ 50.005172] ? set_bdev_super+0x120/0x120 [ 50.009324] mount_bdev+0x2be/0x370 [ 50.012951] ? isofs_bread+0xe0/0xe0 [ 50.016669] isofs_mount+0x35/0x40 [ 50.020350] mount_fs+0x97/0x2a1 [ 50.023718] vfs_kern_mount.part.0+0x5e/0x3d0 [ 50.028442] do_mount+0x417/0x27d0 [ 50.031982] ? copy_mount_options+0x5c/0x2f0 [ 50.036391] ? rcu_read_lock_sched_held+0x110/0x130 [ 50.041512] ? copy_mount_string+0x40/0x40 [ 50.045752] ? copy_mount_options+0x1fe/0x2f0 [ 50.050250] SyS_mount+0xab/0x120 [ 50.053820] ? copy_mnt_ns+0x8c0/0x8c0 [ 50.057916] do_syscall_64+0x1e8/0x640 [ 50.061796] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.066768] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.071954] RIP: 0033:0x4488ba [ 50.075373] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 50.083094] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 50.090362] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 50.097764] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 50.105171] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001 [ 50.112625] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 50.131727] FAULT_INJECTION: forcing a failure. [ 50.131727] name failslab, interval 1, probability 0, space 0, times 0 [ 50.143639] CPU: 1 PID: 7432 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 50.151532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.160896] Call Trace: [ 50.163512] dump_stack+0x142/0x197 [ 50.167163] should_fail.cold+0x10f/0x159 [ 50.171335] should_failslab+0xdb/0x130 [ 50.175329] kmem_cache_alloc+0x2d7/0x780 [ 50.179492] ? __this_cpu_preempt_check+0x1d/0x30 [ 50.184437] ? recalc_bh_state+0x3b/0x170 [ 50.188961] alloc_buffer_head+0x24/0xe0 [ 50.193748] alloc_page_buffers+0xb7/0x200 [ 50.198016] __getblk_gfp+0x334/0x7b0 [ 50.201828] ? filemap_write_and_wait+0x8d/0xb0 [ 50.201835] ISOFS: Unable to identify CD-ROM format. [ 50.206888] __bread_gfp+0x2e/0x290 [ 50.206903] isofs_fill_super+0x9c8/0x25a4 [ 50.206912] ? set_precision+0x150/0x150 [ 50.206929] ? isofs_bread+0xe0/0xe0 [ 50.227973] ? pointer+0xb10/0xb10 [ 50.231625] ? snprintf+0xa5/0xd0 [ 50.235199] ? vsprintf+0x40/0x40 [ 50.238910] ? set_blocksize+0x260/0x2f0 [ 50.243615] ? set_bdev_super+0x120/0x120 [ 50.247825] mount_bdev+0x2be/0x370 [ 50.251449] ? isofs_bread+0xe0/0xe0 [ 50.255176] isofs_mount+0x35/0x40 [ 50.258823] mount_fs+0x97/0x2a1 [ 50.262223] vfs_kern_mount.part.0+0x5e/0x3d0 [ 50.266896] do_mount+0x417/0x27d0 [ 50.271075] ? copy_mount_options+0x5c/0x2f0 [ 50.275499] ? rcu_read_lock_sched_held+0x110/0x130 [ 50.280523] ? copy_mount_string+0x40/0x40 [ 50.284772] ? copy_mount_options+0x1fe/0x2f0 [ 50.289503] SyS_mount+0xab/0x120 [ 50.293379] ? copy_mnt_ns+0x8c0/0x8c0 [ 50.297495] do_syscall_64+0x1e8/0x640 [ 50.301403] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.306370] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.311561] RIP: 0033:0x4488ba [ 50.314828] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 50.322800] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 50.330070] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 50.337388] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 50.345071] R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000000c [ 50.352576] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 50.372606] ISOFS: Unable to identify CD-ROM format. [ 50.411382] IPVS: ftp: loaded support on port[0] = 21 [ 50.417164] FAULT_INJECTION: forcing a failure. [ 50.417164] name failslab, interval 1, probability 0, space 0, times 0 [ 50.428607] CPU: 1 PID: 7439 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 50.436555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.446018] Call Trace: [ 50.448603] dump_stack+0x142/0x197 [ 50.452234] should_fail.cold+0x10f/0x159 [ 50.456380] should_failslab+0xdb/0x130 [ 50.460381] kmem_cache_alloc+0x47/0x780 [ 50.464436] radix_tree_node_alloc.constprop.0+0x1c7/0x310 [ 50.470167] __radix_tree_create+0x337/0x4d0 [ 50.474581] page_cache_tree_insert+0xa7/0x2d0 [ 50.479308] ? file_check_and_advance_wb_err+0x380/0x380 [ 50.484815] ? debug_smp_processor_id+0x1c/0x20 [ 50.489547] __add_to_page_cache_locked+0x2ab/0x8c0 [ 50.494726] ? find_lock_entry+0x4b0/0x4b0 [ 50.498972] add_to_page_cache_lru+0xf4/0x310 [ 50.503811] ? add_to_page_cache_locked+0x40/0x40 [ 50.508658] ? __page_cache_alloc+0xdd/0x3e0 [ 50.513191] pagecache_get_page+0x1f5/0x9e0 [ 50.517682] __getblk_gfp+0x23d/0x7b0 [ 50.521478] ? filemap_write_and_wait+0x8d/0xb0 [ 50.526154] ? set_blocksize+0x260/0x2f0 [ 50.530220] __bread_gfp+0x2e/0x290 [ 50.533875] isofs_fill_super+0x9c8/0x25a4 [ 50.538120] ? set_precision+0x150/0x150 [ 50.542256] ? isofs_bread+0xe0/0xe0 [ 50.545980] ? pointer+0xb10/0xb10 [ 50.549621] ? snprintf+0xa5/0xd0 [ 50.553069] ? vsprintf+0x40/0x40 [ 50.556669] ? set_blocksize+0x260/0x2f0 [ 50.560736] ? set_bdev_super+0x120/0x120 [ 50.564881] mount_bdev+0x2be/0x370 [ 50.568512] ? isofs_bread+0xe0/0xe0 [ 50.572238] isofs_mount+0x35/0x40 [ 50.575795] mount_fs+0x97/0x2a1 [ 50.579166] vfs_kern_mount.part.0+0x5e/0x3d0 [ 50.583715] do_mount+0x417/0x27d0 [ 50.587433] ? copy_mount_options+0x5c/0x2f0 [ 50.591877] ? rcu_read_lock_sched_held+0x110/0x130 [ 50.597291] ? copy_mount_string+0x40/0x40 [ 50.601563] ? copy_mount_options+0x1fe/0x2f0 [ 50.606121] SyS_mount+0xab/0x120 [ 50.609604] ? copy_mnt_ns+0x8c0/0x8c0 [ 50.614020] do_syscall_64+0x1e8/0x640 [ 50.618040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.623067] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.628352] RIP: 0033:0x4488ba [ 50.631537] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 50.639323] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 50.647209] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 50.654526] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 50.661889] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000002 [ 50.669254] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 50.685648] FAULT_INJECTION: forcing a failure. [ 50.685648] name failslab, interval 1, probability 0, space 0, times 0 [ 50.694204] ISOFS: Unable to identify CD-ROM format. [ 50.697058] CPU: 1 PID: 7442 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 50.710067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.719678] Call Trace: [ 50.722367] dump_stack+0x142/0x197 [ 50.726012] should_fail.cold+0x10f/0x159 [ 50.730187] should_failslab+0xdb/0x130 [ 50.734183] kmem_cache_alloc+0x47/0x780 [ 50.738454] radix_tree_node_alloc.constprop.0+0x1c7/0x310 [ 50.744175] __radix_tree_create+0x337/0x4d0 [ 50.748575] page_cache_tree_insert+0xa7/0x2d0 [ 50.753144] ? file_check_and_advance_wb_err+0x380/0x380 [ 50.758615] ? debug_smp_processor_id+0x1c/0x20 [ 50.763274] __add_to_page_cache_locked+0x2ab/0x8c0 [ 50.768280] ? find_lock_entry+0x4b0/0x4b0 [ 50.772500] add_to_page_cache_lru+0xf4/0x310 [ 50.776991] ? add_to_page_cache_locked+0x40/0x40 [ 50.781822] ? __page_cache_alloc+0xdd/0x3e0 [ 50.786231] pagecache_get_page+0x1f5/0x9e0 [ 50.790735] __getblk_gfp+0x23d/0x7b0 [ 50.794540] ? filemap_write_and_wait+0x8d/0xb0 [ 50.799202] ? set_blocksize+0x260/0x2f0 [ 50.803250] __bread_gfp+0x2e/0x290 [ 50.806947] isofs_fill_super+0x9c8/0x25a4 [ 50.811331] ? set_precision+0x150/0x150 [ 50.815389] ? isofs_bread+0xe0/0xe0 [ 50.819087] ? pointer+0xb10/0xb10 [ 50.822748] ? snprintf+0xa5/0xd0 [ 50.826207] ? vsprintf+0x40/0x40 [ 50.829653] ? set_blocksize+0x260/0x2f0 [ 50.833745] ? set_bdev_super+0x120/0x120 [ 50.837902] mount_bdev+0x2be/0x370 [ 50.841640] ? isofs_bread+0xe0/0xe0 [ 50.845358] isofs_mount+0x35/0x40 [ 50.848902] mount_fs+0x97/0x2a1 [ 50.852289] vfs_kern_mount.part.0+0x5e/0x3d0 [ 50.856795] do_mount+0x417/0x27d0 [ 50.860360] ? copy_mount_options+0x5c/0x2f0 [ 50.864947] ? rcu_read_lock_sched_held+0x110/0x130 [ 50.869956] ? copy_mount_string+0x40/0x40 [ 50.874204] ? copy_mount_options+0x1fe/0x2f0 [ 50.878697] SyS_mount+0xab/0x120 [ 50.882144] ? copy_mnt_ns+0x8c0/0x8c0 [ 50.886205] do_syscall_64+0x1e8/0x640 [ 50.890158] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.894993] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.900167] RIP: 0033:0x4488ba [ 50.903337] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 50.911029] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 50.918390] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 50.925645] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 50.933190] R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000000d [ 50.940455] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 50.958905] ISOFS: Unable to identify CD-ROM format. [ 50.978003] FAULT_INJECTION: forcing a failure. [ 50.978003] name failslab, interval 1, probability 0, space 0, times 0 [ 50.989570] CPU: 1 PID: 7447 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 50.997565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.006923] Call Trace: [ 51.009522] dump_stack+0x142/0x197 [ 51.013169] should_fail.cold+0x10f/0x159 [ 51.017334] should_failslab+0xdb/0x130 [ 51.021398] kmem_cache_alloc+0x2d7/0x780 [ 51.025539] ? add_to_page_cache_lru+0x159/0x310 [ 51.030280] ? add_to_page_cache_locked+0x40/0x40 [ 51.035359] alloc_buffer_head+0x24/0xe0 [ 51.039427] alloc_page_buffers+0xb7/0x200 [ 51.043664] __getblk_gfp+0x334/0x7b0 [ 51.047449] ? filemap_write_and_wait+0x8d/0xb0 [ 51.052126] __bread_gfp+0x2e/0x290 [ 51.055742] isofs_fill_super+0x9c8/0x25a4 [ 51.059968] ? set_precision+0x150/0x150 [ 51.064119] ? isofs_bread+0xe0/0xe0 [ 51.067815] ? pointer+0xb10/0xb10 [ 51.071354] ? snprintf+0xa5/0xd0 [ 51.074795] ? vsprintf+0x40/0x40 [ 51.078236] ? set_blocksize+0x260/0x2f0 [ 51.082835] ? set_bdev_super+0x120/0x120 [ 51.086994] mount_bdev+0x2be/0x370 [ 51.090611] ? isofs_bread+0xe0/0xe0 [ 51.094325] isofs_mount+0x35/0x40 [ 51.097876] mount_fs+0x97/0x2a1 [ 51.101236] vfs_kern_mount.part.0+0x5e/0x3d0 [ 51.105892] do_mount+0x417/0x27d0 [ 51.109423] ? copy_mount_options+0x5c/0x2f0 [ 51.113815] ? rcu_read_lock_sched_held+0x110/0x130 [ 51.118828] ? copy_mount_string+0x40/0x40 [ 51.123061] ? copy_mount_options+0x1fe/0x2f0 [ 51.127548] SyS_mount+0xab/0x120 [ 51.131181] ? copy_mnt_ns+0x8c0/0x8c0 [ 51.135070] do_syscall_64+0x1e8/0x640 [ 51.138951] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.143784] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.148957] RIP: 0033:0x4488ba [ 51.152149] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.160112] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 51.167375] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 51.174631] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 51.182003] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000003 [ 51.189275] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 51.210784] ISOFS: Unable to identify CD-ROM format. [ 51.216831] FAULT_INJECTION: forcing a failure. [ 51.216831] name failslab, interval 1, probability 0, space 0, times 0 [ 51.229465] CPU: 0 PID: 7452 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 51.237371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.246723] Call Trace: [ 51.249424] dump_stack+0x142/0x197 [ 51.253072] should_fail.cold+0x10f/0x159 [ 51.257235] should_failslab+0xdb/0x130 [ 51.261210] kmem_cache_alloc+0x2d7/0x780 [ 51.265409] ? __this_cpu_preempt_check+0x1d/0x30 [ 51.270270] ? recalc_bh_state+0x3b/0x170 [ 51.274455] alloc_buffer_head+0x24/0xe0 [ 51.278523] alloc_page_buffers+0xb7/0x200 [ 51.282764] __getblk_gfp+0x334/0x7b0 [ 51.286572] ? filemap_write_and_wait+0x8d/0xb0 [ 51.291250] __bread_gfp+0x2e/0x290 [ 51.294905] isofs_fill_super+0x9c8/0x25a4 [ 51.299158] ? set_precision+0x150/0x150 [ 51.303233] ? isofs_bread+0xe0/0xe0 [ 51.306937] ? pointer+0xb10/0xb10 [ 51.310464] ? snprintf+0xa5/0xd0 [ 51.313917] ? vsprintf+0x40/0x40 [ 51.317353] ? set_blocksize+0x260/0x2f0 [ 51.321399] ? set_bdev_super+0x120/0x120 [ 51.325547] mount_bdev+0x2be/0x370 [ 51.329167] ? isofs_bread+0xe0/0xe0 [ 51.332865] isofs_mount+0x35/0x40 [ 51.336390] mount_fs+0x97/0x2a1 [ 51.339777] vfs_kern_mount.part.0+0x5e/0x3d0 [ 51.344258] do_mount+0x417/0x27d0 [ 51.347785] ? copy_mount_options+0x5c/0x2f0 [ 51.352200] ? rcu_read_lock_sched_held+0x110/0x130 [ 51.357214] ? copy_mount_string+0x40/0x40 [ 51.361458] ? copy_mount_options+0x1fe/0x2f0 [ 51.365941] SyS_mount+0xab/0x120 [ 51.369558] ? copy_mnt_ns+0x8c0/0x8c0 [ 51.373567] do_syscall_64+0x1e8/0x640 [ 51.377460] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.382570] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.387755] RIP: 0033:0x4488ba [ 51.390932] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.398996] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 51.406378] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 51.413635] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 51.420905] R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000000e [ 51.428227] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 51.447758] ISOFS: Unable to identify CD-ROM format. [ 51.465569] FAULT_INJECTION: forcing a failure. [ 51.465569] name failslab, interval 1, probability 0, space 0, times 0 [ 51.483201] CPU: 0 PID: 7458 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 51.488314] FAULT_INJECTION: forcing a failure. [ 51.488314] name failslab, interval 1, probability 0, space 0, times 0 [ 51.491123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.491127] Call Trace: [ 51.491142] dump_stack+0x142/0x197 [ 51.491155] should_fail.cold+0x10f/0x159 [ 51.491164] ? __lock_is_held+0xb6/0x140 [ 51.491174] ? mempool_free+0x1d0/0x1d0 [ 51.491183] should_failslab+0xdb/0x130 [ 51.491191] kmem_cache_alloc+0x47/0x780 [ 51.491203] ? mempool_free+0x1d0/0x1d0 [ 51.491210] mempool_alloc_slab+0x47/0x60 [ 51.491222] mempool_alloc+0x138/0x300 [ 51.550597] ? __find_get_block+0x5c4/0xbf0 [ 51.554923] ? remove_element.isra.0+0x1b0/0x1b0 [ 51.559665] ? __lock_is_held+0xb6/0x140 [ 51.563892] ? save_trace+0x290/0x290 [ 51.567700] ? trace_hardirqs_on_caller+0x400/0x590 [ 51.572723] bio_alloc_bioset+0x368/0x680 [ 51.576888] ? bvec_alloc+0x2e0/0x2e0 [ 51.580697] ? __getblk_gfp+0x5c/0x7b0 [ 51.584757] submit_bh_wbc+0xf6/0x720 [ 51.588543] __bread_gfp+0x106/0x290 [ 51.592245] isofs_fill_super+0x9c8/0x25a4 [ 51.596485] ? set_precision+0x150/0x150 [ 51.600547] ? isofs_bread+0xe0/0xe0 [ 51.604269] ? pointer+0xb10/0xb10 [ 51.607810] ? snprintf+0xa5/0xd0 [ 51.611263] ? vsprintf+0x40/0x40 [ 51.614703] ? set_blocksize+0x260/0x2f0 [ 51.618765] ? set_bdev_super+0x120/0x120 [ 51.622904] mount_bdev+0x2be/0x370 [ 51.629385] ? isofs_bread+0xe0/0xe0 [ 51.633091] isofs_mount+0x35/0x40 [ 51.636628] mount_fs+0x97/0x2a1 [ 51.639981] vfs_kern_mount.part.0+0x5e/0x3d0 [ 51.644484] do_mount+0x417/0x27d0 [ 51.648033] ? copy_mount_options+0x5c/0x2f0 [ 51.652453] ? rcu_read_lock_sched_held+0x110/0x130 [ 51.657460] ? copy_mount_string+0x40/0x40 [ 51.661684] ? copy_mount_options+0x1fe/0x2f0 [ 51.666175] SyS_mount+0xab/0x120 [ 51.669612] ? copy_mnt_ns+0x8c0/0x8c0 [ 51.673485] do_syscall_64+0x1e8/0x640 [ 51.677371] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.682205] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.687376] RIP: 0033:0x4488ba [ 51.690549] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.698855] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 51.706124] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 51.713405] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 51.720682] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000004 [ 51.727941] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 51.735210] CPU: 1 PID: 7461 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 51.743114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.743939] ISOFS: Unable to identify CD-ROM format. [ 51.752477] Call Trace: [ 51.752498] dump_stack+0x142/0x197 [ 51.752512] should_fail.cold+0x10f/0x159 [ 51.752523] should_failslab+0xdb/0x130 [ 51.752530] kmem_cache_alloc+0x2d7/0x780 [ 51.752538] ? __this_cpu_preempt_check+0x1d/0x30 [ 51.752545] ? recalc_bh_state+0x3b/0x170 [ 51.752560] alloc_buffer_head+0x24/0xe0 [ 51.789767] alloc_page_buffers+0xb7/0x200 [ 51.794025] __getblk_gfp+0x334/0x7b0 [ 51.797837] ? filemap_write_and_wait+0x8d/0xb0 [ 51.802633] __bread_gfp+0x2e/0x290 [ 51.806255] isofs_fill_super+0x9c8/0x25a4 [ 51.810481] ? set_precision+0x150/0x150 [ 51.814542] ? isofs_bread+0xe0/0xe0 [ 51.818242] ? pointer+0xb10/0xb10 [ 51.821881] ? snprintf+0xa5/0xd0 [ 51.825342] ? vsprintf+0x40/0x40 [ 51.828784] ? set_blocksize+0x260/0x2f0 [ 51.832830] ? set_bdev_super+0x120/0x120 [ 51.836974] mount_bdev+0x2be/0x370 [ 51.840686] ? isofs_bread+0xe0/0xe0 [ 51.844405] isofs_mount+0x35/0x40 [ 51.847949] mount_fs+0x97/0x2a1 [ 51.851302] vfs_kern_mount.part.0+0x5e/0x3d0 [ 51.855782] do_mount+0x417/0x27d0 [ 51.859323] ? copy_mount_options+0x5c/0x2f0 [ 51.863856] ? rcu_read_lock_sched_held+0x110/0x130 [ 51.868885] ? copy_mount_string+0x40/0x40 [ 51.873123] ? copy_mount_options+0x1fe/0x2f0 [ 51.877610] SyS_mount+0xab/0x120 [ 51.881094] ? copy_mnt_ns+0x8c0/0x8c0 [ 51.885159] do_syscall_64+0x1e8/0x640 [ 51.889034] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.893869] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.899045] RIP: 0033:0x4488ba [ 51.902221] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.910054] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 51.917324] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 51.924590] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 51.931986] R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000000f [ 51.939244] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 51.965852] ISOFS: Unable to identify CD-ROM format. [ 51.971844] FAULT_INJECTION: forcing a failure. [ 51.971844] name failslab, interval 1, probability 0, space 0, times 0 [ 51.983563] CPU: 0 PID: 7468 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 51.991816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.001197] Call Trace: [ 52.003820] dump_stack+0x142/0x197 [ 52.007453] should_fail.cold+0x10f/0x159 [ 52.011612] should_failslab+0xdb/0x130 [ 52.015603] kmem_cache_alloc+0x2d7/0x780 [ 52.019793] ? add_to_page_cache_lru+0x159/0x310 [ 52.024575] ? add_to_page_cache_locked+0x40/0x40 [ 52.029530] alloc_buffer_head+0x24/0xe0 [ 52.033594] alloc_page_buffers+0xb7/0x200 [ 52.037825] __getblk_gfp+0x334/0x7b0 [ 52.041615] ? filemap_write_and_wait+0x8d/0xb0 [ 52.046289] __bread_gfp+0x2e/0x290 [ 52.049921] isofs_fill_super+0x9c8/0x25a4 [ 52.055199] ? set_precision+0x150/0x150 [ 52.059254] ? isofs_bread+0xe0/0xe0 [ 52.062955] ? pointer+0xb10/0xb10 [ 52.066492] ? snprintf+0xa5/0xd0 [ 52.069935] ? vsprintf+0x40/0x40 [ 52.074488] ? set_blocksize+0x260/0x2f0 [ 52.078551] ? set_bdev_super+0x120/0x120 [ 52.083243] mount_bdev+0x2be/0x370 [ 52.086880] ? isofs_bread+0xe0/0xe0 [ 52.090583] isofs_mount+0x35/0x40 [ 52.094110] mount_fs+0x97/0x2a1 [ 52.097596] vfs_kern_mount.part.0+0x5e/0x3d0 [ 52.102112] do_mount+0x417/0x27d0 [ 52.105662] ? copy_mount_options+0x5c/0x2f0 [ 52.110113] ? rcu_read_lock_sched_held+0x110/0x130 [ 52.115137] ? copy_mount_string+0x40/0x40 [ 52.119362] ? copy_mount_options+0x1fe/0x2f0 [ 52.123843] SyS_mount+0xab/0x120 [ 52.127394] ? copy_mnt_ns+0x8c0/0x8c0 [ 52.131272] do_syscall_64+0x1e8/0x640 [ 52.135146] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.140015] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.145200] RIP: 0033:0x4488ba [ 52.148469] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.156176] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 52.163564] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 52.170833] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 52.178093] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 [ 52.185442] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 52.210716] ISOFS: Unable to identify CD-ROM format. [ 52.216908] FAULT_INJECTION: forcing a failure. [ 52.216908] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 52.228862] CPU: 0 PID: 7473 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 52.236734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.246273] Call Trace: [ 52.248979] dump_stack+0x142/0x197 [ 52.252617] should_fail.cold+0x10f/0x159 [ 52.256756] __alloc_pages_nodemask+0x1d6/0x7a0 [ 52.261413] ? __lock_acquire+0x5f7/0x4620 [ 52.265649] ? __alloc_pages_slowpath+0x2930/0x2930 [ 52.270673] cache_grow_begin+0x80/0x400 [ 52.274738] kmem_cache_alloc+0x6a6/0x780 [ 52.278879] radix_tree_node_alloc.constprop.0+0x1c7/0x310 [ 52.284511] __radix_tree_create+0x337/0x4d0 [ 52.288948] page_cache_tree_insert+0xa7/0x2d0 [ 52.293558] ? file_check_and_advance_wb_err+0x380/0x380 [ 52.299019] ? debug_smp_processor_id+0x1c/0x20 [ 52.303777] __add_to_page_cache_locked+0x2ab/0x8c0 [ 52.308796] ? find_lock_entry+0x4b0/0x4b0 [ 52.313047] add_to_page_cache_lru+0xf4/0x310 [ 52.317555] ? add_to_page_cache_locked+0x40/0x40 [ 52.322386] ? __page_cache_alloc+0xdd/0x3e0 [ 52.326798] pagecache_get_page+0x1f5/0x9e0 [ 52.331110] __getblk_gfp+0x23d/0x7b0 [ 52.334897] ? filemap_write_and_wait+0x8d/0xb0 [ 52.339573] ? set_blocksize+0x260/0x2f0 [ 52.343625] __bread_gfp+0x2e/0x290 [ 52.347239] isofs_fill_super+0x9c8/0x25a4 [ 52.351460] ? set_precision+0x150/0x150 [ 52.355515] ? isofs_bread+0xe0/0xe0 [ 52.359222] ? pointer+0xb10/0xb10 [ 52.362774] ? snprintf+0xa5/0xd0 [ 52.366460] ? vsprintf+0x40/0x40 [ 52.369904] ? set_blocksize+0x260/0x2f0 [ 52.373952] ? set_bdev_super+0x120/0x120 [ 52.378096] mount_bdev+0x2be/0x370 [ 52.381712] ? isofs_bread+0xe0/0xe0 [ 52.385410] isofs_mount+0x35/0x40 [ 52.388942] mount_fs+0x97/0x2a1 [ 52.392301] vfs_kern_mount.part.0+0x5e/0x3d0 [ 52.396794] do_mount+0x417/0x27d0 [ 52.400317] ? copy_mount_options+0x5c/0x2f0 [ 52.404719] ? rcu_read_lock_sched_held+0x110/0x130 [ 52.409742] ? copy_mount_string+0x40/0x40 [ 52.414364] ? copy_mount_options+0x1fe/0x2f0 [ 52.418854] SyS_mount+0xab/0x120 [ 52.422301] ? copy_mnt_ns+0x8c0/0x8c0 [ 52.426296] do_syscall_64+0x1e8/0x640 [ 52.430173] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.435008] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.440184] RIP: 0033:0x4488ba [ 52.443358] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.451189] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 52.458571] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 52.465845] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 52.473113] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000010 [ 52.480393] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 52.498920] ISOFS: Unable to identify CD-ROM format. [ 52.517559] FAULT_INJECTION: forcing a failure. [ 52.517559] name failslab, interval 1, probability 0, space 0, times 0 [ 52.530367] CPU: 1 PID: 7477 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 52.538277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.547639] Call Trace: [ 52.550221] dump_stack+0x142/0x197 [ 52.553947] should_fail.cold+0x10f/0x159 [ 52.558081] should_failslab+0xdb/0x130 [ 52.562039] kmem_cache_alloc_node+0x56/0x780 [ 52.566616] create_task_io_context+0x31/0x3d0 [ 52.571191] generic_make_request_checks+0x1505/0x1ac0 [ 52.577064] ? rcu_read_lock_sched_held+0x110/0x130 [ 52.582082] ? blk_cleanup_queue+0x610/0x610 [ 52.586479] ? trace_hardirqs_on+0x10/0x10 [ 52.590699] generic_make_request+0x7d/0xa40 [ 52.595095] ? blk_queue_enter+0x520/0x520 [ 52.599422] ? find_held_lock+0x35/0x130 [ 52.603468] ? guard_bio_eod+0x161/0x530 [ 52.607524] submit_bio+0x1a5/0x3e0 [ 52.611137] ? submit_bio+0x1a5/0x3e0 [ 52.614936] ? generic_make_request+0xa40/0xa40 [ 52.619592] ? guard_bio_eod+0x1fd/0x530 [ 52.623667] submit_bh_wbc+0x550/0x720 [ 52.627564] __bread_gfp+0x106/0x290 [ 52.631271] isofs_fill_super+0x9c8/0x25a4 [ 52.635489] ? set_precision+0x150/0x150 [ 52.639568] ? isofs_bread+0xe0/0xe0 [ 52.643292] ? pointer+0xb10/0xb10 [ 52.646890] ? snprintf+0xa5/0xd0 [ 52.650326] ? vsprintf+0x40/0x40 [ 52.653771] ? set_blocksize+0x260/0x2f0 [ 52.657838] ? set_bdev_super+0x120/0x120 [ 52.661990] mount_bdev+0x2be/0x370 [ 52.665731] ? isofs_bread+0xe0/0xe0 [ 52.669493] isofs_mount+0x35/0x40 [ 52.673024] mount_fs+0x97/0x2a1 [ 52.676413] vfs_kern_mount.part.0+0x5e/0x3d0 [ 52.680904] do_mount+0x417/0x27d0 [ 52.684430] ? copy_mount_options+0x5c/0x2f0 [ 52.688824] ? rcu_read_lock_sched_held+0x110/0x130 [ 52.693827] ? copy_mount_string+0x40/0x40 [ 52.698048] ? copy_mount_options+0x1fe/0x2f0 [ 52.702617] SyS_mount+0xab/0x120 [ 52.706056] ? copy_mnt_ns+0x8c0/0x8c0 [ 52.709946] do_syscall_64+0x1e8/0x640 [ 52.713846] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.718775] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.724049] RIP: 0033:0x4488ba [ 52.727221] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.734917] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 52.742175] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 52.751439] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 52.758697] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000006 [ 52.765967] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 52.789409] FAULT_INJECTION: forcing a failure. [ 52.789409] name failslab, interval 1, probability 0, space 0, times 0 [ 52.801699] ISOFS: Unable to identify CD-ROM format. [ 52.801882] CPU: 0 PID: 7481 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 52.814717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.824083] Call Trace: [ 52.826691] dump_stack+0x142/0x197 [ 52.830521] should_fail.cold+0x10f/0x159 [ 52.834695] should_failslab+0xdb/0x130 [ 52.838677] __kmalloc+0x2f0/0x7a0 [ 52.842211] ? lock_downgrade+0x740/0x740 [ 52.846385] ? register_shrinker+0xbd/0x220 [ 52.850701] register_shrinker+0xbd/0x220 [ 52.854847] sget_userns+0x9bf/0xc30 [ 52.858671] ? ns_test_super+0x50/0x50 [ 52.862992] ? set_bdev_super+0x120/0x120 [ 52.867147] ? set_bdev_super+0x120/0x120 [ 52.871285] ? ns_test_super+0x50/0x50 [ 52.875783] sget+0xd6/0x120 [ 52.878790] mount_bdev+0xd5/0x370 [ 52.882317] ? isofs_bread+0xe0/0xe0 [ 52.886013] isofs_mount+0x35/0x40 [ 52.889540] mount_fs+0x97/0x2a1 [ 52.892892] vfs_kern_mount.part.0+0x5e/0x3d0 [ 52.897375] do_mount+0x417/0x27d0 [ 52.900901] ? copy_mount_options+0x5c/0x2f0 [ 52.905385] ? rcu_read_lock_sched_held+0x110/0x130 [ 52.910387] ? copy_mount_string+0x40/0x40 [ 52.914608] ? copy_mount_options+0x1fe/0x2f0 [ 52.919115] SyS_mount+0xab/0x120 [ 52.923771] ? copy_mnt_ns+0x8c0/0x8c0 [ 52.927661] do_syscall_64+0x1e8/0x640 [ 52.931570] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.936414] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.942203] RIP: 0033:0x4488ba [ 52.945391] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.953084] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 52.960340] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 52.967597] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 52.974868] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000011 [ 52.982131] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 52.990590] ------------[ cut here ]------------ [ 52.995524] WARNING: CPU: 0 PID: 7481 at fs/super.c:1163 kill_block_super+0xc9/0xf0 [ 53.003305] Kernel panic - not syncing: panic_on_warn set ... [ 53.003305] [ 53.010657] CPU: 0 PID: 7481 Comm: syz-executor694 Not tainted 4.14.169-syzkaller #0 [ 53.018619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.027961] Call Trace: [ 53.030543] dump_stack+0x142/0x197 [ 53.034157] panic+0x1f9/0x42d [ 53.037335] ? add_taint.cold+0x16/0x16 [ 53.041296] ? kill_block_super+0xc9/0xf0 [ 53.045444] ? kill_block_super+0xc9/0xf0 [ 53.049840] __warn.cold+0x2f/0x2f [ 53.053366] ? ist_end_non_atomic+0x10/0x10 [ 53.057848] ? kill_block_super+0xc9/0xf0 [ 53.061984] report_bug+0x216/0x254 [ 53.065597] do_error_trap+0x1bb/0x310 [ 53.069471] ? math_error+0x360/0x360 [ 53.073328] ? save_trace+0x290/0x290 [ 53.077119] ? generic_shutdown_super+0x27c/0x370 [ 53.082036] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.086868] do_invalid_op+0x1b/0x20 [ 53.090590] invalid_op+0x1b/0x40 [ 53.094042] RIP: 0010:kill_block_super+0xc9/0xf0 [ 53.098785] RSP: 0018:ffff8880a5adfb98 EFLAGS: 00010297 [ 53.104156] RAX: ffff888096ec8540 RBX: 0000000000000000 RCX: 1ffff11012dd91b6 [ 53.111723] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880a6d77420 [ 53.118993] RBP: ffff8880a5adfbb0 R08: ffff888096ec8540 R09: 0000000000000001 [ 53.126286] R10: 0000000000000000 R11: ffff888096ec8540 R12: ffff8880968aee40 [ 53.133550] R13: ffff8880a6d77080 R14: ffff8880968aee40 R15: dffffc0000000000 [ 53.140831] ? kill_block_super+0xc9/0xf0 [ 53.145196] deactivate_locked_super+0x74/0xe0 [ 53.149769] sget_userns+0x9d9/0xc30 [ 53.153484] ? ns_test_super+0x50/0x50 [ 53.157355] ? set_bdev_super+0x120/0x120 [ 53.161951] ? set_bdev_super+0x120/0x120 [ 53.166202] ? ns_test_super+0x50/0x50 [ 53.170082] sget+0xd6/0x120 [ 53.173093] mount_bdev+0xd5/0x370 [ 53.176646] ? isofs_bread+0xe0/0xe0 [ 53.180357] isofs_mount+0x35/0x40 [ 53.183899] mount_fs+0x97/0x2a1 [ 53.187385] vfs_kern_mount.part.0+0x5e/0x3d0 [ 53.191879] do_mount+0x417/0x27d0 [ 53.195441] ? copy_mount_options+0x5c/0x2f0 [ 53.199993] ? rcu_read_lock_sched_held+0x110/0x130 [ 53.205033] ? copy_mount_string+0x40/0x40 [ 53.209261] ? copy_mount_options+0x1fe/0x2f0 [ 53.213881] SyS_mount+0xab/0x120 [ 53.217326] ? copy_mnt_ns+0x8c0/0x8c0 [ 53.221230] do_syscall_64+0x1e8/0x640 [ 53.225125] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.230053] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.236219] RIP: 0033:0x4488ba [ 53.239532] RSP: 002b:00007ffea7ab4d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.247769] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004488ba [ 53.255588] RDX: 00007ffea7ab4d80 RSI: 0000000020000040 RDI: 00007ffea7ab4da0 [ 53.262850] RBP: 0000000000000000 R08: 00007ffea7ab4de0 R09: 0000000000000000 [ 53.270125] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000011 [ 53.277398] R13: 0000000000403090 R14: 0000000000000000 R15: 0000000000000000 [ 53.286150] Kernel Offset: disabled [ 53.290131] Rebooting in 86400 seconds..