[ 44.922810] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.191' (ECDSA) to the list of known hosts. [ 50.554215] random: sshd: uninitialized urandom read (32 bytes read) [ 50.676543] audit: type=1400 audit(1584042172.100:36): avc: denied { map } for pid=7593 comm="syz-executor518" path="/root/syz-executor518670782" 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 [ 50.683123] FAULT_INJECTION: forcing a failure. [ 50.683123] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 50.715950] CPU: 1 PID: 7593 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 50.723841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.733180] Call Trace: [ 50.735763] dump_stack+0x13e/0x194 [ 50.739389] should_fail.cold+0x10a/0x14b [ 50.743520] __alloc_pages_nodemask+0x1bf/0x700 [ 50.748171] ? __alloc_pages_slowpath+0x26c0/0x26c0 [ 50.753172] alloc_pages_vma+0xc2/0x4a0 [ 50.757133] wp_page_copy+0x1f1/0x1300 [ 50.761042] ? follow_pfn+0x200/0x200 [ 50.764857] do_wp_page+0x244/0x11d0 [ 50.768562] ? finish_mkwrite_fault+0x640/0x640 [ 50.773222] __handle_mm_fault+0x1c0e/0x3280 [ 50.777610] ? copy_page_range+0x1d70/0x1d70 [ 50.782000] ? find_held_lock+0x2d/0x110 [ 50.786047] handle_mm_fault+0x288/0x7a0 [ 50.790092] __do_page_fault+0x4bc/0xb40 [ 50.794133] ? vmalloc_fault+0xdf0/0xdf0 [ 50.798174] ? do_page_fault+0x60/0x4f2 [ 50.802130] ? page_fault+0x2f/0x50 [ 50.805768] page_fault+0x45/0x50 [ 50.809213] RIP: 1daa: (null) [ 50.813076] RSP: 0000:00007fffa69f98e0 EFLAGS: 00000000 [ 50.814027] syz-executor518 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=0 [ 50.829362] syz-executor518 cpuset=/ mems_allowed=0-1 [ 50.834727] CPU: 1 PID: 7593 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 50.842610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.851946] Call Trace: [ 50.854519] dump_stack+0x13e/0x194 [ 50.858140] dump_header+0x178/0x6d4 [ 50.861864] ? trace_hardirqs_on_caller+0x3f6/0x590 [ 50.866881] ? _raw_spin_unlock_irqrestore+0xa0/0xe0 [ 50.871965] ? ___ratelimit+0x50/0x519 [ 50.875834] oom_kill_process.cold+0x10/0xae3 [ 50.880311] ? lock_acquire+0x170/0x3f0 [ 50.884261] ? lock_downgrade+0x6e0/0x6e0 [ 50.888389] out_of_memory+0x2d5/0x1110 [ 50.892360] ? pagefault_out_of_memory+0xaa/0xc9 [ 50.897369] ? oom_killer_disable+0x1c0/0x1c0 [ 50.901847] ? mutex_trylock+0x152/0x1a0 [ 50.905884] ? pagefault_out_of_memory+0xaa/0xc9 [ 50.910629] pagefault_out_of_memory+0xbb/0xc9 [ 50.915209] ? out_of_memory+0x1110/0x1110 [ 50.919449] ? lock_downgrade+0x6e0/0x6e0 [ 50.923601] mm_fault_error+0xad/0x2b0 [ 50.927482] __do_page_fault+0xa07/0xb40 [ 50.931524] ? vmalloc_fault+0xdf0/0xdf0 [ 50.935561] ? do_page_fault+0x60/0x4f2 [ 50.939514] ? page_fault+0x2f/0x50 [ 50.943119] page_fault+0x45/0x50 [ 50.946555] RIP: 1daa: (null) [ 50.950415] RSP: 0000:00007fffa69f98e0 EFLAGS: 00000000 [ 50.951299] Mem-Info: [ 50.959051] active_anon:3973 inactive_anon:205 isolated_anon:0 [ 50.959051] active_file:4110 inactive_file:8219 isolated_file:0 [ 50.959051] unevictable:0 dirty:6716 writeback:0 unstable:0 [ 50.959051] slab_reclaimable:10900 slab_unreclaimable:95507 [ 50.959051] mapped:1882 shmem:250 pagetables:302 bounce:0 [ 50.959051] free:1461546 free_pcp:271 free_cma:0 [ 50.992536] Node 0 active_anon:15892kB inactive_anon:820kB active_file:16300kB inactive_file:32876kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:7528kB dirty:26856kB writeback:0kB shmem:1000kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 51.020312] Node 1 active_anon:0kB inactive_anon:0kB active_file:140kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 51.046520] Node 0 DMA free:15908kB min:220kB low:272kB high:324kB 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 [ 51.072707] lowmem_reserve[]: 0 2557 2557 2557 2557 [ 51.077747] Node 0 DMA32 free:2046420kB min:36272kB low:45340kB high:54408kB active_anon:15892kB inactive_anon:820kB active_file:16300kB inactive_file:32876kB unevictable:0kB writepending:26860kB present:3129332kB managed:2621272kB mlocked:0kB kernel_stack:6048kB pagetables:1208kB bounce:0kB free_pcp:960kB local_pcp:652kB free_cma:0kB [ 51.108081] lowmem_reserve[]: 0 0 0 0 0 [ 51.112104] Node 0 Normal free:0kB min:4kB low:4kB high:4kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:348kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 51.137615] lowmem_reserve[]: 0 0 0 0 0 [ 51.141644] Node 1 Normal free:3783856kB min:53612kB low:67012kB high:80412kB active_anon:0kB inactive_anon:0kB active_file:140kB inactive_file:0kB unevictable:0kB writepending:8kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 51.169489] lowmem_reserve[]: 0 0 0 0 0 [ 51.173515] 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 [ 51.187162] Node 0 DMA32: 1339*4kB (UME) 470*8kB (UME) 1358*16kB (UME) 1027*32kB (UME) 286*64kB (UME) 151*128kB (UME) 104*256kB (UME) 53*512kB (UME) 21*1024kB (ME) 7*2048kB (UM) 453*4096kB (M) = 2046428kB [ 51.205633] 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 [ 51.216391] Node 1 Normal: 32*4kB (UE) 362*8kB (UME) 278*16kB (UE) 68*32kB (UME) 22*64kB (UME) 7*128kB (U) 4*256kB (UM) 3*512kB (U) 1*1024kB (M) 4*2048kB (ME) 918*4096kB (M) = 3783856kB [ 51.233567] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 51.242444] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 51.251068] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 51.259896] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 51.268503] 12582 total pagecache pages [ 51.272549] 0 pages in swap cache [ 51.276013] Swap cache stats: add 0, delete 0, find 0/0 [ 51.281393] Free swap = 0kB [ 51.284409] Total swap = 0kB [ 51.287507] 1965979 pages RAM [ 51.290675] 0 pages HighMem/MovableOnly [ 51.294643] 339049 pages reserved [ 51.298073] 0 pages cma reserved [ 51.301487] Out of memory: Kill process 7540 (restorecond) score 0 or sacrifice child [ 51.301905] IPVS: ftp: loaded support on port[0] = 21 [ 51.309867] Killed process 7540 (restorecond) total-vm:51708kB, anon-rss:4916kB, file-rss:1224kB, shmem-rss:0kB [ 51.345002] oom_reaper: reaped process 7540 (restorecond), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB executing program [ 52.095114] FAULT_INJECTION: forcing a failure. [ 52.095114] name failslab, interval 1, probability 0, space 0, times 1 [ 52.106737] CPU: 0 PID: 7606 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 52.114638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.124025] Call Trace: [ 52.126597] dump_stack+0x13e/0x194 [ 52.130249] should_fail.cold+0x10a/0x14b [ 52.134381] should_failslab+0xd6/0x130 [ 52.138344] __kmalloc+0x2e9/0x7c0 [ 52.141916] ? __list_lru_init+0x56/0x650 [ 52.146045] ? __list_lru_init+0x67/0x650 [ 52.150179] __list_lru_init+0x67/0x650 [ 52.154137] sget_userns+0x504/0xc30 [ 52.157829] ? set_bdev_super+0x110/0x110 [ 52.161956] ? ns_test_super+0x50/0x50 [ 52.165831] ? set_bdev_super+0x110/0x110 [ 52.169969] ? ns_test_super+0x50/0x50 [ 52.173835] sget+0xd1/0x110 [ 52.176833] mount_bdev+0xcd/0x370 [ 52.180352] ? isofs_bread+0xd0/0xd0 [ 52.184049] mount_fs+0x92/0x2a0 [ 52.187400] vfs_kern_mount.part.0+0x5b/0x3c0 [ 52.191883] do_mount+0x3c9/0x24f0 [ 52.195434] ? rcu_read_lock_sched_held+0x10a/0x130 [ 52.200460] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 52.205283] ? copy_mount_string+0x40/0x40 [ 52.209496] ? _copy_from_user+0x94/0x100 [ 52.213625] ? copy_mnt_ns+0x8a0/0x8a0 [ 52.217493] ? copy_mount_options+0x1ec/0x2e0 [ 52.221965] ? copy_mnt_ns+0x8a0/0x8a0 [ 52.225831] SyS_mount+0xa8/0x120 [ 52.229261] ? copy_mnt_ns+0x8a0/0x8a0 [ 52.233130] do_syscall_64+0x1d5/0x640 [ 52.237012] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.242184] RIP: 0033:0x44821a [ 52.245350] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.253038] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 52.260316] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 [ 52.267587] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 52.274837] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 [ 52.282093] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 executing program [ 52.340278] FAULT_INJECTION: forcing a failure. [ 52.340278] name failslab, interval 1, probability 0, space 0, times 0 [ 52.351660] CPU: 0 PID: 7610 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 52.359538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.368897] Call Trace: [ 52.371495] dump_stack+0x13e/0x194 [ 52.375128] should_fail.cold+0x10a/0x14b [ 52.379286] should_failslab+0xd6/0x130 [ 52.383254] kmem_cache_alloc+0x44/0x770 [ 52.387324] radix_tree_node_alloc.constprop.0+0x1b4/0x300 [ 52.392963] __radix_tree_create+0x339/0x4c0 [ 52.397363] page_cache_tree_insert+0x98/0x2a0 [ 52.401929] ? file_check_and_advance_wb_err+0x370/0x370 [ 52.407359] ? __add_to_page_cache_locked+0x286/0x870 [ 52.412538] __add_to_page_cache_locked+0x296/0x870 [ 52.417534] ? find_lock_entry+0x4a0/0x4a0 [ 52.421751] ? lock_downgrade+0x6e0/0x6e0 [ 52.425880] add_to_page_cache_lru+0xe9/0x300 [ 52.430354] ? add_to_page_cache_locked+0x40/0x40 [ 52.435200] ? __page_cache_alloc+0xd9/0x3d0 [ 52.439612] pagecache_get_page+0x1ed/0xa10 [ 52.443916] __getblk_gfp+0x23d/0x7c0 [ 52.447694] ? filemap_write_and_wait+0x86/0xa0 [ 52.452354] __bread_gfp+0x29/0x290 [ 52.455962] isofs_fill_super+0x9c8/0x25a4 [ 52.460181] ? isofs_bread+0xd0/0xd0 [ 52.463882] ? lock_downgrade+0x6e0/0x6e0 [ 52.468012] ? snprintf+0xa5/0xd0 [ 52.471446] ? vsprintf+0x30/0x30 [ 52.474879] ? set_blocksize+0x24b/0x2e0 [ 52.478924] mount_bdev+0x2bc/0x370 [ 52.482535] ? isofs_bread+0xd0/0xd0 [ 52.486242] mount_fs+0x92/0x2a0 [ 52.489588] vfs_kern_mount.part.0+0x5b/0x3c0 [ 52.494063] do_mount+0x3c9/0x24f0 [ 52.497585] ? copy_mount_string+0x40/0x40 [ 52.501799] ? copy_mount_options+0x183/0x2e0 [ 52.506285] ? copy_mount_options+0x1ec/0x2e0 [ 52.510761] ? copy_mnt_ns+0x8a0/0x8a0 [ 52.514662] SyS_mount+0xa8/0x120 [ 52.518096] ? copy_mnt_ns+0x8a0/0x8a0 [ 52.521977] do_syscall_64+0x1d5/0x640 [ 52.527695] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.532866] RIP: 0033:0x44821a [ 52.536031] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.543728] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 52.550978] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 [ 52.558231] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 52.565478] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 [ 52.572764] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 [ 52.593660] ISOFS: Unable to identify CD-ROM format. executing program [ 52.640221] FAULT_INJECTION: forcing a failure. [ 52.640221] name failslab, interval 1, probability 0, space 0, times 0 [ 52.651710] CPU: 1 PID: 7615 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 52.659600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.668964] Call Trace: [ 52.671561] dump_stack+0x13e/0x194 [ 52.675195] should_fail.cold+0x10a/0x14b [ 52.679350] should_failslab+0xd6/0x130 [ 52.683329] kmem_cache_alloc_trace+0x2db/0x7b0 [ 52.687995] ? pointer+0x340/0xa00 [ 52.691526] isofs_fill_super+0xc6/0x25a4 [ 52.695654] ? set_precision+0x150/0x150 [ 52.699708] ? reacquire_held_locks+0xb5/0x3f0 [ 52.704282] ? vsnprintf+0x25e/0x1350 [ 52.708062] ? isofs_bread+0xd0/0xd0 [ 52.711763] ? pointer+0xa00/0xa00 [ 52.715278] ? lock_downgrade+0x6e0/0x6e0 [ 52.719402] ? snprintf+0xa5/0xd0 [ 52.722833] ? vsprintf+0x30/0x30 [ 52.726264] ? ns_test_super+0x50/0x50 [ 52.730127] ? set_blocksize+0x24b/0x2e0 [ 52.734168] mount_bdev+0x2bc/0x370 [ 52.737782] ? isofs_bread+0xd0/0xd0 [ 52.741474] mount_fs+0x92/0x2a0 [ 52.744817] vfs_kern_mount.part.0+0x5b/0x3c0 [ 52.749290] do_mount+0x3c9/0x24f0 [ 52.752821] ? rcu_read_lock_sched_held+0x10a/0x130 [ 52.757815] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 52.762635] ? copy_mount_string+0x40/0x40 [ 52.766857] ? _copy_from_user+0x94/0x100 [ 52.770997] ? copy_mnt_ns+0x8a0/0x8a0 [ 52.774956] ? copy_mount_options+0x1ec/0x2e0 [ 52.779435] ? copy_mnt_ns+0x8a0/0x8a0 [ 52.783301] SyS_mount+0xa8/0x120 [ 52.786730] ? copy_mnt_ns+0x8a0/0x8a0 [ 52.790599] do_syscall_64+0x1d5/0x640 [ 52.794472] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.799637] RIP: 0033:0x44821a [ 52.802817] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.810500] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 52.817747] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 [ 52.824993] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 52.832242] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 executing program [ 52.839497] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 [ 52.872270] IPVS: ftp: loaded support on port[0] = 21 [ 52.886736] FAULT_INJECTION: forcing a failure. [ 52.886736] name failslab, interval 1, probability 0, space 0, times 0 [ 52.898101] CPU: 0 PID: 7621 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 52.905994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.915347] Call Trace: [ 52.917939] dump_stack+0x13e/0x194 [ 52.921575] should_fail.cold+0x10a/0x14b [ 52.925719] should_failslab+0xd6/0x130 [ 52.929720] kmem_cache_alloc+0x2b5/0x770 [ 52.933854] ? add_to_page_cache_lru+0x150/0x300 [ 52.938589] ? add_to_page_cache_locked+0x40/0x40 [ 52.943413] alloc_buffer_head+0x20/0xd0 [ 52.947452] alloc_page_buffers+0xb3/0x1f0 [ 52.951665] __getblk_gfp+0x335/0x7c0 [ 52.955443] ? filemap_write_and_wait+0x86/0xa0 [ 52.960099] __bread_gfp+0x29/0x290 [ 52.963717] isofs_fill_super+0x9c8/0x25a4 [ 52.967955] ? isofs_bread+0xd0/0xd0 [ 52.971679] ? lock_downgrade+0x6e0/0x6e0 [ 52.975812] ? snprintf+0xa5/0xd0 [ 52.979255] ? vsprintf+0x30/0x30 [ 52.982696] ? set_blocksize+0x24b/0x2e0 [ 52.986827] mount_bdev+0x2bc/0x370 [ 52.990437] ? isofs_bread+0xd0/0xd0 [ 52.994131] mount_fs+0x92/0x2a0 [ 52.997477] vfs_kern_mount.part.0+0x5b/0x3c0 [ 53.001956] do_mount+0x3c9/0x24f0 [ 53.005488] ? rcu_read_lock_sched_held+0x10a/0x130 [ 53.010490] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 53.015321] ? copy_mount_string+0x40/0x40 [ 53.019538] ? _copy_from_user+0x94/0x100 [ 53.023666] ? copy_mnt_ns+0x8a0/0x8a0 [ 53.027552] ? copy_mount_options+0x1ec/0x2e0 [ 53.037007] ? copy_mnt_ns+0x8a0/0x8a0 [ 53.040879] SyS_mount+0xa8/0x120 [ 53.044310] ? copy_mnt_ns+0x8a0/0x8a0 [ 53.048178] do_syscall_64+0x1d5/0x640 [ 53.052049] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.057235] RIP: 0033:0x44821a [ 53.060415] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.068104] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 53.075372] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 [ 53.082620] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 53.089870] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 [ 53.097132] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 [ 53.123672] ISOFS: Unable to identify CD-ROM format. executing program [ 53.185373] FAULT_INJECTION: forcing a failure. [ 53.185373] name failslab, interval 1, probability 0, space 0, times 0 [ 53.197506] CPU: 0 PID: 7626 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 53.205415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.214770] Call Trace: [ 53.217360] dump_stack+0x13e/0x194 [ 53.220980] should_fail.cold+0x10a/0x14b [ 53.225120] should_failslab+0xd6/0x130 [ 53.229072] __kmalloc+0x2e9/0x7c0 [ 53.232607] ? match_number.isra.0+0x7d/0x1d0 [ 53.237085] match_number.isra.0+0x7d/0x1d0 [ 53.241389] ? match_strlcpy+0xe0/0xe0 [ 53.245262] isofs_fill_super+0x639/0x25a4 [ 53.249527] ? set_precision+0x150/0x150 [ 53.253586] ? isofs_bread+0xd0/0xd0 [ 53.257286] ? pointer+0xa00/0xa00 [ 53.260818] ? lock_downgrade+0x6e0/0x6e0 [ 53.264949] ? snprintf+0xa5/0xd0 [ 53.268390] ? vsprintf+0x30/0x30 [ 53.271827] ? set_blocksize+0x24b/0x2e0 [ 53.275898] mount_bdev+0x2bc/0x370 [ 53.279516] ? isofs_bread+0xd0/0xd0 [ 53.283217] mount_fs+0x92/0x2a0 [ 53.286568] vfs_kern_mount.part.0+0x5b/0x3c0 [ 53.291048] do_mount+0x3c9/0x24f0 [ 53.294574] ? rcu_read_lock_sched_held+0x10a/0x130 [ 53.299585] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 53.304408] ? copy_mount_string+0x40/0x40 [ 53.308640] ? _copy_from_user+0x94/0x100 [ 53.312766] ? copy_mnt_ns+0x8a0/0x8a0 [ 53.316632] ? copy_mount_options+0x1ec/0x2e0 [ 53.321123] ? copy_mnt_ns+0x8a0/0x8a0 [ 53.324991] SyS_mount+0xa8/0x120 [ 53.328423] ? copy_mnt_ns+0x8a0/0x8a0 [ 53.332293] do_syscall_64+0x1d5/0x640 [ 53.336173] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.341342] RIP: 0033:0x44821a [ 53.344527] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.352267] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 53.359518] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 [ 53.366768] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 53.374020] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 [ 53.381288] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 executing program [ 53.435075] FAULT_INJECTION: forcing a failure. [ 53.435075] name failslab, interval 1, probability 0, space 0, times 0 [ 53.447308] CPU: 0 PID: 7628 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 53.455199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.464564] Call Trace: [ 53.467153] dump_stack+0x13e/0x194 [ 53.470791] should_fail.cold+0x10a/0x14b [ 53.474950] should_failslab+0xd6/0x130 [ 53.478930] kmem_cache_alloc+0x2b5/0x770 [ 53.483123] ? recalc_bh_state+0x1f/0x170 [ 53.487251] ? check_preemption_disabled+0x35/0x240 [ 53.492264] alloc_buffer_head+0x20/0xd0 [ 53.496329] alloc_page_buffers+0xb3/0x1f0 [ 53.500578] __getblk_gfp+0x335/0x7c0 [ 53.504378] ? filemap_write_and_wait+0x86/0xa0 [ 53.509031] __bread_gfp+0x29/0x290 [ 53.512643] isofs_fill_super+0x9c8/0x25a4 [ 53.516896] ? isofs_bread+0xd0/0xd0 [ 53.520608] ? lock_downgrade+0x6e0/0x6e0 [ 53.524742] ? snprintf+0xa5/0xd0 [ 53.528178] ? vsprintf+0x30/0x30 [ 53.531616] ? set_blocksize+0x24b/0x2e0 [ 53.535661] mount_bdev+0x2bc/0x370 [ 53.539273] ? isofs_bread+0xd0/0xd0 [ 53.543005] mount_fs+0x92/0x2a0 [ 53.546352] vfs_kern_mount.part.0+0x5b/0x3c0 [ 53.550830] do_mount+0x3c9/0x24f0 [ 53.554375] ? rcu_read_lock_sched_held+0x10a/0x130 [ 53.559367] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 53.564186] ? copy_mount_string+0x40/0x40 [ 53.568401] ? __might_fault+0x177/0x1b0 [ 53.572443] ? _copy_from_user+0x94/0x100 [ 53.576564] ? copy_mnt_ns+0x8a0/0x8a0 [ 53.580430] ? copy_mount_options+0x1ec/0x2e0 [ 53.584900] ? copy_mnt_ns+0x8a0/0x8a0 [ 53.588766] SyS_mount+0xa8/0x120 [ 53.592197] ? copy_mnt_ns+0x8a0/0x8a0 [ 53.596080] do_syscall_64+0x1d5/0x640 [ 53.599953] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.605123] RIP: 0033:0x44821a [ 53.608292] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.615990] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 53.623257] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 [ 53.630506] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 53.637751] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 [ 53.644999] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 [ 53.667125] ISOFS: Unable to identify CD-ROM format. executing program [ 53.732952] FAULT_INJECTION: forcing a failure. [ 53.732952] name failslab, interval 1, probability 0, space 0, times 0 [ 53.744328] CPU: 0 PID: 7635 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 53.752212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.761561] Call Trace: [ 53.764136] dump_stack+0x13e/0x194 [ 53.767745] should_fail.cold+0x10a/0x14b [ 53.771886] should_failslab+0xd6/0x130 [ 53.775866] kmem_cache_alloc+0x2b5/0x770 [ 53.779997] ? recalc_bh_state+0x1f/0x170 [ 53.784134] ? check_preemption_disabled+0x35/0x240 [ 53.789127] alloc_buffer_head+0x20/0xd0 [ 53.793167] alloc_page_buffers+0xb3/0x1f0 [ 53.797383] __getblk_gfp+0x335/0x7c0 [ 53.801187] ? filemap_write_and_wait+0x86/0xa0 [ 53.805837] __bread_gfp+0x29/0x290 [ 53.809441] isofs_fill_super+0x9c8/0x25a4 [ 53.813660] ? isofs_bread+0xd0/0xd0 [ 53.817356] ? lock_downgrade+0x6e0/0x6e0 [ 53.821500] ? snprintf+0xa5/0xd0 [ 53.824930] ? vsprintf+0x30/0x30 [ 53.828361] ? set_blocksize+0x24b/0x2e0 [ 53.832416] mount_bdev+0x2bc/0x370 [ 53.836080] ? isofs_bread+0xd0/0xd0 [ 53.839781] mount_fs+0x92/0x2a0 [ 53.843130] vfs_kern_mount.part.0+0x5b/0x3c0 [ 53.847608] do_mount+0x3c9/0x24f0 [ 53.851133] ? rcu_read_lock_sched_held+0x10a/0x130 [ 53.856128] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 53.860950] ? copy_mount_string+0x40/0x40 [ 53.865178] ? __might_fault+0x177/0x1b0 [ 53.869230] ? _copy_from_user+0x94/0x100 [ 53.873365] ? copy_mnt_ns+0x8a0/0x8a0 [ 53.877246] ? copy_mount_options+0x1ec/0x2e0 [ 53.881722] ? copy_mnt_ns+0x8a0/0x8a0 [ 53.885587] SyS_mount+0xa8/0x120 [ 53.889023] ? copy_mnt_ns+0x8a0/0x8a0 [ 53.892911] do_syscall_64+0x1d5/0x640 [ 53.896785] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.901956] RIP: 0033:0x44821a [ 53.905154] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.912866] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 53.920119] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 executing program [ 53.927437] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 53.934695] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 [ 53.941966] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 [ 53.963464] ISOFS: Unable to identify CD-ROM format. [ 54.009649] FAULT_INJECTION: forcing a failure. [ 54.009649] name failslab, interval 1, probability 0, space 0, times 0 [ 54.021211] CPU: 0 PID: 7638 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 54.029135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.038499] Call Trace: [ 54.041095] dump_stack+0x13e/0x194 [ 54.044732] should_fail.cold+0x10a/0x14b [ 54.048889] should_failslab+0xd6/0x130 [ 54.052873] kmem_cache_alloc_trace+0x2db/0x7b0 [ 54.057543] ? pointer+0x340/0xa00 [ 54.061071] isofs_fill_super+0xc6/0x25a4 [ 54.065245] ? set_precision+0x150/0x150 [ 54.069290] ? reacquire_held_locks+0xb5/0x3f0 [ 54.073893] ? vsnprintf+0x25e/0x1350 [ 54.077682] ? isofs_bread+0xd0/0xd0 [ 54.081378] ? pointer+0xa00/0xa00 [ 54.084933] ? lock_downgrade+0x6e0/0x6e0 [ 54.089064] ? snprintf+0xa5/0xd0 [ 54.092501] ? vsprintf+0x30/0x30 [ 54.095935] ? ns_test_super+0x50/0x50 [ 54.099806] ? set_blocksize+0x24b/0x2e0 [ 54.103854] mount_bdev+0x2bc/0x370 [ 54.107488] ? isofs_bread+0xd0/0xd0 [ 54.111203] mount_fs+0x92/0x2a0 [ 54.114549] vfs_kern_mount.part.0+0x5b/0x3c0 [ 54.119024] do_mount+0x3c9/0x24f0 [ 54.122571] ? rcu_read_lock_sched_held+0x10a/0x130 [ 54.127566] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 54.132411] ? copy_mount_string+0x40/0x40 [ 54.136627] ? _copy_from_user+0x94/0x100 [ 54.140758] ? copy_mnt_ns+0x8a0/0x8a0 [ 54.144663] ? copy_mount_options+0x1ec/0x2e0 [ 54.149153] ? copy_mnt_ns+0x8a0/0x8a0 [ 54.153036] SyS_mount+0xa8/0x120 [ 54.156469] ? copy_mnt_ns+0x8a0/0x8a0 [ 54.160385] do_syscall_64+0x1d5/0x640 [ 54.164261] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.169428] RIP: 0033:0x44821a [ 54.172597] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.180296] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 54.187544] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 [ 54.194793] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 54.202055] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 executing program [ 54.209309] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 [ 54.259658] FAULT_INJECTION: forcing a failure. [ 54.259658] name failslab, interval 1, probability 0, space 0, times 0 [ 54.270895] CPU: 0 PID: 7643 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 54.278773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.288124] Call Trace: [ 54.290716] dump_stack+0x13e/0x194 [ 54.294354] should_fail.cold+0x10a/0x14b [ 54.298508] should_failslab+0xd6/0x130 [ 54.302527] kmem_cache_alloc+0x44/0x770 [ 54.306575] radix_tree_node_alloc.constprop.0+0x1b4/0x300 [ 54.312217] __radix_tree_create+0x339/0x4c0 [ 54.316625] page_cache_tree_insert+0x98/0x2a0 [ 54.321194] ? file_check_and_advance_wb_err+0x370/0x370 [ 54.326658] ? __add_to_page_cache_locked+0x286/0x870 [ 54.331845] __add_to_page_cache_locked+0x296/0x870 [ 54.336853] ? find_lock_entry+0x4a0/0x4a0 [ 54.341129] ? lock_downgrade+0x6e0/0x6e0 [ 54.345306] add_to_page_cache_lru+0xe9/0x300 [ 54.349796] ? add_to_page_cache_locked+0x40/0x40 [ 54.354634] ? __page_cache_alloc+0xd9/0x3d0 [ 54.359071] pagecache_get_page+0x1ed/0xa10 [ 54.363379] __getblk_gfp+0x23d/0x7c0 [ 54.367161] ? filemap_write_and_wait+0x86/0xa0 [ 54.371813] __bread_gfp+0x29/0x290 [ 54.375422] isofs_fill_super+0x9c8/0x25a4 [ 54.379651] ? isofs_bread+0xd0/0xd0 [ 54.383357] ? lock_downgrade+0x6e0/0x6e0 [ 54.387486] ? snprintf+0xa5/0xd0 [ 54.390919] ? vsprintf+0x30/0x30 [ 54.394355] ? set_blocksize+0x24b/0x2e0 [ 54.398400] mount_bdev+0x2bc/0x370 [ 54.402028] ? isofs_bread+0xd0/0xd0 [ 54.405729] mount_fs+0x92/0x2a0 [ 54.409093] vfs_kern_mount.part.0+0x5b/0x3c0 [ 54.413574] do_mount+0x3c9/0x24f0 [ 54.417096] ? rcu_read_lock_sched_held+0x10a/0x130 [ 54.422089] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 54.426928] ? copy_mount_string+0x40/0x40 [ 54.431155] ? _copy_from_user+0x94/0x100 [ 54.435313] ? copy_mnt_ns+0x8a0/0x8a0 [ 54.439186] ? copy_mount_options+0x1ec/0x2e0 [ 54.443659] ? copy_mnt_ns+0x8a0/0x8a0 [ 54.447545] SyS_mount+0xa8/0x120 [ 54.450979] ? copy_mnt_ns+0x8a0/0x8a0 [ 54.454854] do_syscall_64+0x1d5/0x640 [ 54.458724] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.463896] RIP: 0033:0x44821a [ 54.467084] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.474769] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 54.482015] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 [ 54.489268] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 54.496517] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 [ 54.503764] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 executing program [ 54.522353] ISOFS: Unable to identify CD-ROM format. [ 54.561371] FAULT_INJECTION: forcing a failure. [ 54.561371] name failslab, interval 1, probability 0, space 0, times 0 [ 54.572917] CPU: 0 PID: 7649 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 54.580804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.590150] Call Trace: [ 54.592767] dump_stack+0x13e/0x194 [ 54.596380] should_fail.cold+0x10a/0x14b [ 54.600520] should_failslab+0xd6/0x130 [ 54.604511] kmem_cache_alloc+0x2b5/0x770 [ 54.608646] ? add_to_page_cache_lru+0x150/0x300 [ 54.613390] ? add_to_page_cache_locked+0x40/0x40 [ 54.618222] alloc_buffer_head+0x20/0xd0 [ 54.622268] alloc_page_buffers+0xb3/0x1f0 [ 54.626492] __getblk_gfp+0x335/0x7c0 [ 54.630280] ? filemap_write_and_wait+0x86/0xa0 [ 54.634930] __bread_gfp+0x29/0x290 [ 54.638573] isofs_fill_super+0x9c8/0x25a4 [ 54.642795] ? isofs_bread+0xd0/0xd0 [ 54.646516] ? lock_downgrade+0x6e0/0x6e0 [ 54.650646] ? snprintf+0xa5/0xd0 [ 54.654109] ? vsprintf+0x30/0x30 [ 54.657545] ? set_blocksize+0x24b/0x2e0 [ 54.661623] mount_bdev+0x2bc/0x370 [ 54.665229] ? isofs_bread+0xd0/0xd0 [ 54.668923] mount_fs+0x92/0x2a0 [ 54.672271] vfs_kern_mount.part.0+0x5b/0x3c0 [ 54.676754] do_mount+0x3c9/0x24f0 [ 54.680276] ? copy_mount_string+0x40/0x40 [ 54.684498] ? copy_mount_options+0x180/0x2e0 [ 54.688991] ? copy_mount_options+0x1ec/0x2e0 [ 54.693473] ? copy_mnt_ns+0x8a0/0x8a0 [ 54.697354] SyS_mount+0xa8/0x120 [ 54.700789] ? copy_mnt_ns+0x8a0/0x8a0 [ 54.704657] do_syscall_64+0x1d5/0x640 [ 54.708550] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.713726] RIP: 0033:0x44821a [ 54.716894] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.724593] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 54.731853] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 [ 54.739102] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 54.746350] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 [ 54.753605] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 [ 54.776550] ISOFS: Unable to identify CD-ROM format. executing program [ 54.839813] FAULT_INJECTION: forcing a failure. [ 54.839813] name failslab, interval 1, probability 0, space 0, times 0 [ 54.851167] CPU: 1 PID: 7652 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 54.859074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.868426] Call Trace: [ 54.871028] dump_stack+0x13e/0x194 [ 54.874665] should_fail.cold+0x10a/0x14b [ 54.878907] should_failslab+0xd6/0x130 [ 54.882875] __kmalloc+0x2e9/0x7c0 [ 54.886398] ? match_number.isra.0+0x7d/0x1d0 [ 54.890874] match_number.isra.0+0x7d/0x1d0 [ 54.895174] ? match_strlcpy+0xe0/0xe0 [ 54.899043] isofs_fill_super+0x639/0x25a4 [ 54.903261] ? set_precision+0x150/0x150 [ 54.907303] ? isofs_bread+0xd0/0xd0 [ 54.911005] ? pointer+0xa00/0xa00 [ 54.914526] ? lock_downgrade+0x6e0/0x6e0 [ 54.918693] ? snprintf+0xa5/0xd0 [ 54.922143] ? vsprintf+0x30/0x30 [ 54.925580] ? set_blocksize+0x24b/0x2e0 [ 54.929649] mount_bdev+0x2bc/0x370 [ 54.933255] ? isofs_bread+0xd0/0xd0 [ 54.936947] mount_fs+0x92/0x2a0 [ 54.940293] vfs_kern_mount.part.0+0x5b/0x3c0 [ 54.944789] do_mount+0x3c9/0x24f0 [ 54.948314] ? rcu_read_lock_sched_held+0x10a/0x130 [ 54.953315] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 54.958146] ? copy_mount_string+0x40/0x40 [ 54.962363] ? _copy_from_user+0x94/0x100 [ 54.966497] ? copy_mnt_ns+0x8a0/0x8a0 [ 54.970415] ? copy_mount_options+0x1ec/0x2e0 [ 54.974989] ? copy_mnt_ns+0x8a0/0x8a0 [ 54.978889] SyS_mount+0xa8/0x120 [ 54.982336] ? copy_mnt_ns+0x8a0/0x8a0 [ 54.986221] do_syscall_64+0x1d5/0x640 [ 54.990098] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.995272] RIP: 0033:0x44821a [ 54.998441] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.006138] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 55.013398] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 [ 55.020703] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 55.027969] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 [ 55.035225] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 executing program [ 55.101250] FAULT_INJECTION: forcing a failure. [ 55.101250] name failslab, interval 1, probability 0, space 0, times 0 [ 55.112504] CPU: 0 PID: 7658 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 55.120383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.129738] Call Trace: [ 55.132330] dump_stack+0x13e/0x194 [ 55.135965] should_fail.cold+0x10a/0x14b [ 55.140123] should_failslab+0xd6/0x130 [ 55.144094] kmem_cache_alloc+0x44/0x770 [ 55.148137] radix_tree_node_alloc.constprop.0+0x1b4/0x300 [ 55.153742] __radix_tree_create+0x339/0x4c0 [ 55.158176] page_cache_tree_insert+0x98/0x2a0 [ 55.162741] ? file_check_and_advance_wb_err+0x370/0x370 [ 55.168166] ? __add_to_page_cache_locked+0x286/0x870 [ 55.173371] __add_to_page_cache_locked+0x296/0x870 [ 55.178366] ? find_lock_entry+0x4a0/0x4a0 [ 55.182581] ? lock_downgrade+0x6e0/0x6e0 [ 55.186706] add_to_page_cache_lru+0xe9/0x300 [ 55.191181] ? add_to_page_cache_locked+0x40/0x40 [ 55.196019] ? __page_cache_alloc+0xd9/0x3d0 [ 55.200409] pagecache_get_page+0x1ed/0xa10 [ 55.204711] __getblk_gfp+0x23d/0x7c0 [ 55.208491] ? filemap_write_and_wait+0x86/0xa0 [ 55.213140] __bread_gfp+0x29/0x290 [ 55.216754] isofs_fill_super+0x9c8/0x25a4 [ 55.220974] ? isofs_bread+0xd0/0xd0 [ 55.224670] ? lock_downgrade+0x6e0/0x6e0 [ 55.228838] ? snprintf+0xa5/0xd0 [ 55.232269] ? vsprintf+0x30/0x30 [ 55.235699] ? set_blocksize+0x24b/0x2e0 [ 55.239749] mount_bdev+0x2bc/0x370 [ 55.243358] ? isofs_bread+0xd0/0xd0 [ 55.247090] mount_fs+0x92/0x2a0 [ 55.250437] vfs_kern_mount.part.0+0x5b/0x3c0 [ 55.254926] do_mount+0x3c9/0x24f0 [ 55.258448] ? rcu_read_lock_sched_held+0x10a/0x130 [ 55.263467] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 55.268309] ? copy_mount_string+0x40/0x40 [ 55.272543] ? _copy_from_user+0x94/0x100 [ 55.276674] ? copy_mnt_ns+0x8a0/0x8a0 [ 55.280548] ? copy_mount_options+0x1ec/0x2e0 [ 55.285031] ? copy_mnt_ns+0x8a0/0x8a0 [ 55.288915] SyS_mount+0xa8/0x120 [ 55.292369] ? copy_mnt_ns+0x8a0/0x8a0 [ 55.296262] do_syscall_64+0x1d5/0x640 [ 55.300161] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.305345] RIP: 0033:0x44821a [ 55.308547] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.316239] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 55.323504] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 [ 55.330763] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 55.338106] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 executing program [ 55.345357] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 [ 55.364582] ISOFS: Unable to identify CD-ROM format. [ 55.411275] FAULT_INJECTION: forcing a failure. [ 55.411275] name failslab, interval 1, probability 0, space 0, times 0 [ 55.422753] CPU: 0 PID: 7663 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 55.430644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.439994] Call Trace: [ 55.442591] dump_stack+0x13e/0x194 [ 55.446226] should_fail.cold+0x10a/0x14b [ 55.450381] should_failslab+0xd6/0x130 [ 55.454358] __kmalloc+0x2e9/0x7c0 executing program [ 55.457901] ? match_number.isra.0+0x7d/0x1d0 [ 55.462399] match_number.isra.0+0x7d/0x1d0 [ 55.466718] ? match_strlcpy+0xe0/0xe0 [ 55.470613] isofs_fill_super+0x639/0x25a4 [ 55.474856] ? set_precision+0x150/0x150 [ 55.478925] ? isofs_bread+0xd0/0xd0 [ 55.482667] ? pointer+0xa00/0xa00 [ 55.486192] ? lock_downgrade+0x6e0/0x6e0 [ 55.490351] ? snprintf+0xa5/0xd0 [ 55.492099] FAULT_INJECTION: forcing a failure. [ 55.492099] name failslab, interval 1, probability 0, space 0, times 0 [ 55.493801] ? vsprintf+0x30/0x30 [ 55.493814] ? set_blocksize+0x24b/0x2e0 [ 55.493828] mount_bdev+0x2bc/0x370 [ 55.493840] ? isofs_bread+0xd0/0xd0 [ 55.519819] mount_fs+0x92/0x2a0 [ 55.523204] vfs_kern_mount.part.0+0x5b/0x3c0 [ 55.527703] do_mount+0x3c9/0x24f0 [ 55.531246] ? rcu_read_lock_sched_held+0x10a/0x130 [ 55.536255] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 55.541102] ? copy_mount_string+0x40/0x40 [ 55.545330] ? _copy_from_user+0x94/0x100 [ 55.549473] ? copy_mnt_ns+0x8a0/0x8a0 [ 55.553357] ? copy_mount_options+0x1ec/0x2e0 [ 55.557842] ? copy_mnt_ns+0x8a0/0x8a0 [ 55.561723] SyS_mount+0xa8/0x120 [ 55.565166] ? copy_mnt_ns+0x8a0/0x8a0 [ 55.569052] do_syscall_64+0x1d5/0x640 [ 55.572948] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.578137] RIP: 0033:0x44821a [ 55.581317] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.589013] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 55.596272] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 [ 55.603531] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 55.610790] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 [ 55.618057] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 [ 55.625367] CPU: 1 PID: 7666 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 55.633298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.642657] Call Trace: [ 55.645260] dump_stack+0x13e/0x194 [ 55.648901] should_fail.cold+0x10a/0x14b [ 55.653065] should_failslab+0xd6/0x130 [ 55.657063] kmem_cache_alloc+0x2b5/0x770 [ 55.661221] ? add_to_page_cache_lru+0x150/0x300 [ 55.665992] ? add_to_page_cache_locked+0x40/0x40 [ 55.670851] alloc_buffer_head+0x20/0xd0 [ 55.674920] alloc_page_buffers+0xb3/0x1f0 [ 55.679146] __getblk_gfp+0x335/0x7c0 [ 55.682944] ? filemap_write_and_wait+0x86/0xa0 [ 55.687605] __bread_gfp+0x29/0x290 [ 55.691223] isofs_fill_super+0x9c8/0x25a4 [ 55.695460] ? isofs_bread+0xd0/0xd0 [ 55.699269] ? lock_downgrade+0x6e0/0x6e0 [ 55.703410] ? snprintf+0xa5/0xd0 [ 55.706865] ? vsprintf+0x30/0x30 [ 55.710305] ? set_blocksize+0x24b/0x2e0 [ 55.714357] mount_bdev+0x2bc/0x370 [ 55.717963] ? isofs_bread+0xd0/0xd0 [ 55.721658] mount_fs+0x92/0x2a0 [ 55.725010] vfs_kern_mount.part.0+0x5b/0x3c0 [ 55.729484] do_mount+0x3c9/0x24f0 [ 55.733021] ? rcu_read_lock_sched_held+0x10a/0x130 [ 55.738015] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 55.742842] ? copy_mount_string+0x40/0x40 [ 55.747059] ? _copy_from_user+0x94/0x100 [ 55.751195] ? copy_mnt_ns+0x8a0/0x8a0 [ 55.755062] ? copy_mount_options+0x1ec/0x2e0 [ 55.759533] ? copy_mnt_ns+0x8a0/0x8a0 [ 55.763416] SyS_mount+0xa8/0x120 [ 55.766853] ? copy_mnt_ns+0x8a0/0x8a0 [ 55.770726] do_syscall_64+0x1d5/0x640 [ 55.774632] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.779813] RIP: 0033:0x44821a [ 55.783027] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.790722] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 55.797998] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 [ 55.805249] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a executing program [ 55.812512] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 [ 55.819780] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 [ 55.849010] ISOFS: Unable to identify CD-ROM format. [ 55.850924] FAULT_INJECTION: forcing a failure. [ 55.850924] name failslab, interval 1, probability 0, space 0, times 0 [ 55.869982] CPU: 0 PID: 7671 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 55.877936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.887316] Call Trace: [ 55.889914] dump_stack+0x13e/0x194 [ 55.893552] should_fail.cold+0x10a/0x14b [ 55.897702] should_failslab+0xd6/0x130 [ 55.901701] kmem_cache_alloc_trace+0x2db/0x7b0 [ 55.906367] ? pointer+0x340/0xa00 [ 55.909901] isofs_fill_super+0xc6/0x25a4 [ 55.914038] ? set_precision+0x150/0x150 [ 55.918105] ? reacquire_held_locks+0xb5/0x3f0 [ 55.922681] ? vsnprintf+0x25e/0x1350 [ 55.926555] ? isofs_bread+0xd0/0xd0 [ 55.930280] ? pointer+0xa00/0xa00 [ 55.933820] ? lock_downgrade+0x6e0/0x6e0 [ 55.937986] ? snprintf+0xa5/0xd0 [ 55.941442] ? vsprintf+0x30/0x30 [ 55.944900] ? ns_test_super+0x50/0x50 [ 55.948789] ? set_blocksize+0x24b/0x2e0 [ 55.952873] mount_bdev+0x2bc/0x370 [ 55.956496] ? isofs_bread+0xd0/0xd0 [ 55.960201] mount_fs+0x92/0x2a0 [ 55.963562] vfs_kern_mount.part.0+0x5b/0x3c0 [ 55.968059] do_mount+0x3c9/0x24f0 [ 55.971601] ? rcu_read_lock_sched_held+0x10a/0x130 [ 55.976615] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 55.981456] ? copy_mount_string+0x40/0x40 [ 55.985684] ? _copy_from_user+0x94/0x100 [ 55.989816] ? copy_mnt_ns+0x8a0/0x8a0 [ 55.993691] ? copy_mount_options+0x1ec/0x2e0 [ 55.998176] ? copy_mnt_ns+0x8a0/0x8a0 [ 56.002056] SyS_mount+0xa8/0x120 [ 56.005495] ? copy_mnt_ns+0x8a0/0x8a0 [ 56.009371] do_syscall_64+0x1d5/0x640 [ 56.013252] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.018429] RIP: 0033:0x44821a [ 56.021617] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.029323] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 56.036580] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 [ 56.043843] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 56.051110] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 executing program [ 56.058370] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 [ 56.085075] FAULT_INJECTION: forcing a failure. [ 56.085075] name failslab, interval 1, probability 0, space 0, times 0 [ 56.096513] CPU: 1 PID: 7676 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 56.104399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.113745] Call Trace: [ 56.116320] dump_stack+0x13e/0x194 [ 56.119934] should_fail.cold+0x10a/0x14b [ 56.124069] should_failslab+0xd6/0x130 [ 56.128025] kmem_cache_alloc_trace+0x2db/0x7b0 [ 56.132678] ? pointer+0x340/0xa00 [ 56.136214] isofs_fill_super+0xc6/0x25a4 [ 56.140390] ? set_precision+0x150/0x150 [ 56.144435] ? reacquire_held_locks+0xb5/0x3f0 [ 56.149034] ? vsnprintf+0x25e/0x1350 [ 56.152823] ? isofs_bread+0xd0/0xd0 [ 56.156518] ? pointer+0xa00/0xa00 [ 56.160045] ? lock_downgrade+0x6e0/0x6e0 [ 56.164178] ? snprintf+0xa5/0xd0 [ 56.167615] ? vsprintf+0x30/0x30 [ 56.171049] ? ns_test_super+0x50/0x50 [ 56.174918] ? set_blocksize+0x24b/0x2e0 [ 56.178961] mount_bdev+0x2bc/0x370 [ 56.182599] ? isofs_bread+0xd0/0xd0 [ 56.186292] mount_fs+0x92/0x2a0 [ 56.189647] vfs_kern_mount.part.0+0x5b/0x3c0 [ 56.194131] do_mount+0x3c9/0x24f0 [ 56.197662] ? rcu_read_lock_sched_held+0x10a/0x130 [ 56.202662] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 56.207493] ? copy_mount_string+0x40/0x40 [ 56.211710] ? _copy_from_user+0x94/0x100 [ 56.215841] ? copy_mnt_ns+0x8a0/0x8a0 [ 56.219715] ? copy_mount_options+0x1ec/0x2e0 [ 56.224191] ? copy_mnt_ns+0x8a0/0x8a0 [ 56.228072] SyS_mount+0xa8/0x120 [ 56.231534] ? copy_mnt_ns+0x8a0/0x8a0 [ 56.235405] do_syscall_64+0x1d5/0x640 [ 56.239294] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.244474] RIP: 0033:0x44821a [ 56.247647] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.255334] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 56.262584] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 [ 56.269836] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 56.277115] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 executing program [ 56.284367] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 [ 56.308185] FAULT_INJECTION: forcing a failure. [ 56.308185] name failslab, interval 1, probability 0, space 0, times 0 [ 56.319751] CPU: 0 PID: 7679 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 56.327636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.336989] Call Trace: [ 56.339583] dump_stack+0x13e/0x194 [ 56.343237] should_fail.cold+0x10a/0x14b [ 56.347368] should_failslab+0xd6/0x130 [ 56.351330] kmem_cache_alloc_trace+0x2db/0x7b0 [ 56.356015] ? pointer+0x340/0xa00 [ 56.359565] isofs_fill_super+0xc6/0x25a4 [ 56.363721] ? set_precision+0x150/0x150 [ 56.367787] ? reacquire_held_locks+0xb5/0x3f0 [ 56.372412] ? vsnprintf+0x25e/0x1350 [ 56.376209] ? isofs_bread+0xd0/0xd0 [ 56.379907] ? pointer+0xa00/0xa00 [ 56.383437] ? lock_downgrade+0x6e0/0x6e0 [ 56.387590] ? snprintf+0xa5/0xd0 [ 56.391065] ? vsprintf+0x30/0x30 [ 56.394516] ? ns_test_super+0x50/0x50 [ 56.398384] ? set_blocksize+0x24b/0x2e0 [ 56.402432] mount_bdev+0x2bc/0x370 [ 56.406041] ? isofs_bread+0xd0/0xd0 [ 56.409738] mount_fs+0x92/0x2a0 [ 56.413197] vfs_kern_mount.part.0+0x5b/0x3c0 [ 56.417716] do_mount+0x3c9/0x24f0 [ 56.421237] ? copy_mount_string+0x40/0x40 [ 56.425449] ? copy_mount_options+0x183/0x2e0 [ 56.429921] ? copy_mount_options+0x1ec/0x2e0 [ 56.434397] ? copy_mnt_ns+0x8a0/0x8a0 [ 56.438282] SyS_mount+0xa8/0x120 [ 56.441715] ? copy_mnt_ns+0x8a0/0x8a0 [ 56.445586] do_syscall_64+0x1d5/0x640 [ 56.449478] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.454653] RIP: 0033:0x44821a [ 56.457825] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.465509] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 56.472756] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 executing program [ 56.480011] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 56.487270] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 [ 56.494539] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 [ 56.508115] FAULT_INJECTION: forcing a failure. [ 56.508115] name failslab, interval 1, probability 0, space 0, times 0 [ 56.519634] CPU: 0 PID: 7685 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 56.527520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.536873] Call Trace: [ 56.539469] dump_stack+0x13e/0x194 [ 56.543100] should_fail.cold+0x10a/0x14b [ 56.547239] should_failslab+0xd6/0x130 [ 56.551200] kmem_cache_alloc_trace+0x2db/0x7b0 [ 56.555875] ? pointer+0x340/0xa00 [ 56.560059] isofs_fill_super+0xc6/0x25a4 [ 56.564207] ? set_precision+0x150/0x150 [ 56.568261] ? reacquire_held_locks+0xb5/0x3f0 [ 56.572836] ? vsnprintf+0x25e/0x1350 [ 56.576636] ? isofs_bread+0xd0/0xd0 [ 56.580334] ? pointer+0xa00/0xa00 [ 56.583858] ? lock_downgrade+0x6e0/0x6e0 [ 56.587995] ? snprintf+0xa5/0xd0 [ 56.591456] ? vsprintf+0x30/0x30 [ 56.594892] ? ns_test_super+0x50/0x50 [ 56.598761] ? set_blocksize+0x24b/0x2e0 [ 56.602805] mount_bdev+0x2bc/0x370 [ 56.606417] ? isofs_bread+0xd0/0xd0 [ 56.610116] mount_fs+0x92/0x2a0 [ 56.613467] vfs_kern_mount.part.0+0x5b/0x3c0 [ 56.617947] do_mount+0x3c9/0x24f0 [ 56.621473] ? rcu_read_lock_sched_held+0x10a/0x130 [ 56.626470] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 56.631295] ? copy_mount_string+0x40/0x40 [ 56.635525] ? _copy_from_user+0x94/0x100 [ 56.639665] ? copy_mnt_ns+0x8a0/0x8a0 [ 56.643535] ? copy_mount_options+0x1ec/0x2e0 [ 56.648015] ? copy_mnt_ns+0x8a0/0x8a0 [ 56.651899] SyS_mount+0xa8/0x120 [ 56.655345] ? copy_mnt_ns+0x8a0/0x8a0 [ 56.659220] do_syscall_64+0x1d5/0x640 [ 56.663104] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.668274] RIP: 0033:0x44821a [ 56.671442] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.679136] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a executing program [ 56.686400] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 [ 56.693650] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 56.700913] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 [ 56.708165] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 [ 56.723375] IPVS: ftp: loaded support on port[0] = 21 [ 56.728602] FAULT_INJECTION: forcing a failure. [ 56.728602] name failslab, interval 1, probability 0, space 0, times 0 [ 56.728616] CPU: 0 PID: 7689 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 56.747657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.757011] Call Trace: [ 56.759611] dump_stack+0x13e/0x194 [ 56.763247] should_fail.cold+0x10a/0x14b [ 56.767402] should_failslab+0xd6/0x130 [ 56.771380] kmem_cache_alloc+0x2b5/0x770 [ 56.775537] ? recalc_bh_state+0x1f/0x170 [ 56.779690] ? check_preemption_disabled+0x35/0x240 [ 56.784711] alloc_buffer_head+0x20/0xd0 [ 56.788781] alloc_page_buffers+0xb3/0x1f0 [ 56.793032] __getblk_gfp+0x335/0x7c0 [ 56.796831] ? filemap_write_and_wait+0x86/0xa0 [ 56.801486] __bread_gfp+0x29/0x290 [ 56.805130] isofs_fill_super+0x9c8/0x25a4 [ 56.809350] ? isofs_bread+0xd0/0xd0 [ 56.813046] ? lock_downgrade+0x6e0/0x6e0 [ 56.817173] ? snprintf+0xa5/0xd0 [ 56.820604] ? vsprintf+0x30/0x30 [ 56.824036] ? set_blocksize+0x24b/0x2e0 [ 56.828094] mount_bdev+0x2bc/0x370 [ 56.831713] ? isofs_bread+0xd0/0xd0 [ 56.835407] mount_fs+0x92/0x2a0 [ 56.838756] vfs_kern_mount.part.0+0x5b/0x3c0 [ 56.843231] do_mount+0x3c9/0x24f0 [ 56.846755] ? rcu_read_lock_sched_held+0x10a/0x130 [ 56.851752] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 56.856574] ? copy_mount_string+0x40/0x40 [ 56.860800] ? __might_fault+0x177/0x1b0 [ 56.864840] ? _copy_from_user+0x94/0x100 [ 56.868961] ? copy_mnt_ns+0x8a0/0x8a0 [ 56.872830] ? copy_mount_options+0x1ec/0x2e0 [ 56.877309] ? copy_mnt_ns+0x8a0/0x8a0 [ 56.881175] SyS_mount+0xa8/0x120 [ 56.884606] ? copy_mnt_ns+0x8a0/0x8a0 [ 56.888486] do_syscall_64+0x1d5/0x640 [ 56.892387] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.897577] RIP: 0033:0x44821a [ 56.900763] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.908462] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 56.915712] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 [ 56.922960] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 56.930217] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 executing program [ 56.937475] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 [ 56.963449] FAULT_INJECTION: forcing a failure. [ 56.963449] name failslab, interval 1, probability 0, space 0, times 0 [ 56.975384] CPU: 0 PID: 7694 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 56.983271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.992618] Call Trace: [ 56.995207] dump_stack+0x13e/0x194 [ 56.998940] should_fail.cold+0x10a/0x14b [ 57.003083] should_failslab+0xd6/0x130 [ 57.005248] ISOFS: Unable to identify CD-ROM format. [ 57.007057] __kmalloc+0x2e9/0x7c0 [ 57.007080] ? register_shrinker+0xb8/0x210 [ 57.007091] ? lock_acquire+0x170/0x3f0 [ 57.023985] ? lock_downgrade+0x6e0/0x6e0 [ 57.028128] register_shrinker+0xb8/0x210 [ 57.032273] sget_userns+0x9c5/0xc30 [ 57.035969] ? set_bdev_super+0x110/0x110 [ 57.040107] ? ns_test_super+0x50/0x50 [ 57.044008] ? set_bdev_super+0x110/0x110 [ 57.048159] ? ns_test_super+0x50/0x50 [ 57.052042] sget+0xd1/0x110 [ 57.055108] mount_bdev+0xcd/0x370 [ 57.058650] ? isofs_bread+0xd0/0xd0 [ 57.062377] mount_fs+0x92/0x2a0 [ 57.065728] vfs_kern_mount.part.0+0x5b/0x3c0 [ 57.070212] do_mount+0x3c9/0x24f0 [ 57.073743] ? rcu_read_lock_sched_held+0x10a/0x130 [ 57.078774] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 57.083598] ? copy_mount_string+0x40/0x40 [ 57.087827] ? _copy_from_user+0x94/0x100 [ 57.091961] ? copy_mnt_ns+0x8a0/0x8a0 [ 57.095833] ? copy_mount_options+0x1ec/0x2e0 [ 57.100312] ? copy_mnt_ns+0x8a0/0x8a0 [ 57.104191] SyS_mount+0xa8/0x120 [ 57.107680] ? copy_mnt_ns+0x8a0/0x8a0 [ 57.111555] do_syscall_64+0x1d5/0x640 [ 57.115436] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 57.120645] RIP: 0033:0x44821a [ 57.123814] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 57.131503] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 57.138753] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 [ 57.146008] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 57.153256] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 [ 57.160542] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 [ 57.168303] ------------[ cut here ]------------ [ 57.173211] WARNING: CPU: 0 PID: 7694 at fs/super.c:1163 kill_block_super+0xbe/0xe0 [ 57.181010] Kernel panic - not syncing: panic_on_warn set ... [ 57.181010] [ 57.188362] CPU: 0 PID: 7694 Comm: syz-executor518 Not tainted 4.14.173-syzkaller #0 [ 57.196220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.205575] Call Trace: [ 57.208148] dump_stack+0x13e/0x194 [ 57.211761] panic+0x1f9/0x42d [ 57.214934] ? add_taint.cold+0x16/0x16 [ 57.218891] ? kill_block_super+0xbe/0xe0 [ 57.223026] ? kill_block_super+0xbe/0xe0 [ 57.227153] __warn.cold+0x2f/0x30 [ 57.230673] ? ist_end_non_atomic+0x10/0x10 [ 57.234973] ? kill_block_super+0xbe/0xe0 [ 57.239108] report_bug+0x20a/0x248 [ 57.242722] do_error_trap+0x195/0x2d0 [ 57.246597] ? math_error+0x2d0/0x2d0 [ 57.250380] ? save_trace+0x290/0x290 [ 57.254250] ? save_trace+0x290/0x290 [ 57.258040] ? arch_local_irq_restore+0x4a/0x51 [ 57.262706] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.267536] invalid_op+0x1b/0x40 [ 57.270972] RIP: 0010:kill_block_super+0xbe/0xe0 [ 57.275705] RSP: 0018:ffff88809541fc08 EFLAGS: 00010297 [ 57.281058] RAX: ffff888095bce6c0 RBX: 0000000000000000 RCX: 1ffff11012b79de6 [ 57.288313] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880a6b7eba0 [ 57.295573] RBP: ffff88807d3d4180 R08: 0000000000000001 R09: 0000000000000001 [ 57.302825] R10: ffff888095bcef90 R11: ffff888095bce6c0 R12: ffff8880a6b7e800 [ 57.310080] R13: ffff88807d3d42c0 R14: ffffffff87d53540 R15: dffffc0000000000 [ 57.317344] ? kill_block_super+0xbe/0xe0 [ 57.321478] deactivate_locked_super+0x6c/0xd0 [ 57.326053] sget_userns+0x9df/0xc30 [ 57.329756] ? set_bdev_super+0x110/0x110 [ 57.333888] ? ns_test_super+0x50/0x50 [ 57.337757] ? set_bdev_super+0x110/0x110 [ 57.341889] ? ns_test_super+0x50/0x50 [ 57.345768] sget+0xd1/0x110 [ 57.348778] mount_bdev+0xcd/0x370 [ 57.352299] ? isofs_bread+0xd0/0xd0 [ 57.356063] mount_fs+0x92/0x2a0 [ 57.359436] vfs_kern_mount.part.0+0x5b/0x3c0 [ 57.363915] do_mount+0x3c9/0x24f0 [ 57.367443] ? rcu_read_lock_sched_held+0x10a/0x130 [ 57.372444] ? kmem_cache_alloc_trace+0x63e/0x7b0 [ 57.377273] ? copy_mount_string+0x40/0x40 [ 57.381495] ? _copy_from_user+0x94/0x100 [ 57.385662] ? copy_mnt_ns+0x8a0/0x8a0 [ 57.389529] ? copy_mount_options+0x1ec/0x2e0 [ 57.394004] ? copy_mnt_ns+0x8a0/0x8a0 [ 57.397871] SyS_mount+0xa8/0x120 [ 57.401304] ? copy_mnt_ns+0x8a0/0x8a0 [ 57.405175] do_syscall_64+0x1d5/0x640 [ 57.409047] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 57.414217] RIP: 0033:0x44821a [ 57.417385] RSP: 002b:00007fffa69f96d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 57.425075] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044821a [ 57.432334] RDX: 00007fffa69f9710 RSI: 0000000020000040 RDI: 00007fffa69f9730 [ 57.439598] RBP: 0000000000000006 R08: 00007fffa69f9770 R09: 000000000000000a [ 57.446854] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000005 [ 57.454115] R13: 00007fffa69f9770 R14: 0000000000000001 R15: 0000000000000000 [ 57.462572] Kernel Offset: disabled [ 57.466245] Rebooting in 86400 seconds..