[ 29.030470] audit: type=1800 audit(1544939072.420:27): pid=5927 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 29.030497] audit: type=1800 audit(1544939072.420:28): pid=5927 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 29.848609] audit: type=1800 audit(1544939073.280:29): pid=5927 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 29.868016] audit: type=1800 audit(1544939073.280:30): pid=5927 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 35.093455] sshd (6066) used greatest stack depth: 15600 bytes left Warning: Permanently added '10.128.10.44' (ECDSA) to the list of known hosts. [ 43.944198] IPVS: ftp: loaded support on port[0] = 21 [ 43.966746] IPVS: ftp: loaded support on port[0] = 21 [ 43.972016] IPVS: ftp: loaded support on port[0] = 21 [ 43.980736] IPVS: ftp: loaded support on port[0] = 21 [ 43.981998] IPVS: ftp: loaded support on port[0] = 21 [ 43.994206] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program [ 44.115472] autofs4:pid:6096:autofs_fill_super: called with bogus options [ 44.150506] autofs4:pid:6097:autofs_fill_super: called with bogus options executing program executing program [ 44.182446] autofs4:pid:6098:autofs_fill_super: called with bogus options [ 44.215777] autofs4:pid:6099:autofs_fill_super: called with bogus options executing program executing program executing program [ 44.249284] FAULT_INJECTION: forcing a failure. [ 44.249284] name failslab, interval 1, probability 0, space 0, times 1 [ 44.266053] FAULT_INJECTION: forcing a failure. [ 44.266053] name failslab, interval 1, probability 0, space 0, times 1 [ 44.273542] FAULT_INJECTION: forcing a failure. [ 44.273542] name failslab, interval 1, probability 0, space 0, times 1 [ 44.288534] CPU: 0 PID: 6100 Comm: syz-executor637 Not tainted 4.20.0-rc6-next-20181214+ #171 executing program [ 44.297336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.302414] autofs4:pid:6103:autofs_fill_super: called with bogus options [ 44.306703] Call Trace: [ 44.306731] dump_stack+0x244/0x39d [ 44.306754] ? dump_stack_print_info.cold.1+0x20/0x20 [ 44.306777] ? mark_held_locks+0x130/0x130 [ 44.306799] should_fail.cold.4+0xa/0x17 [ 44.333420] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 44.338547] ? kernel_text_address+0x79/0xf0 [ 44.342967] ? __kernel_text_address+0xd/0x40 [ 44.347384] autofs4:pid:6106:autofs_fill_super: called with bogus options [ 44.347480] ? __save_stack_trace+0x8d/0xf0 [ 44.358718] ? graph_lock+0x270/0x270 [ 44.362543] ? find_held_lock+0x36/0x1c0 [ 44.366623] ? __lock_is_held+0xb5/0x140 [ 44.370702] ? perf_trace_sched_process_exec+0x860/0x860 [ 44.376179] __should_failslab+0x124/0x180 [ 44.380425] should_failslab+0x9/0x14 [ 44.384237] kmem_cache_alloc+0x2c4/0x730 [ 44.388400] ? trace_hardirqs_on+0xbd/0x310 [ 44.392730] ? current_time+0x72/0x1b0 [ 44.396631] __d_alloc+0xc8/0xb90 executing program [ 44.399773] autofs4:pid:6104:autofs_fill_super: called with bogus options [ 44.400091] ? shrink_dcache_for_umount+0x2b0/0x2b0 [ 44.412079] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 44.417123] ? ktime_get_coarse_real_ts64+0x22e/0x370 [ 44.422322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.427911] ? timespec64_trunc+0xea/0x180 [ 44.432153] ? inode_init_owner+0x340/0x340 [ 44.436495] ? _raw_spin_unlock+0x2c/0x50 [ 44.440662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.446209] ? check_preemption_disabled+0x48/0x280 [ 44.451238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.456785] ? set_nlink+0xb7/0x1c0 [ 44.460428] d_make_root+0x43/0xc0 [ 44.463982] autofs_fill_super+0x6f1/0x1c30 [ 44.468311] ? register_shrinker_prepared+0x1a9/0x260 [ 44.473534] ? autofs_get_inode+0x3e0/0x3e0 [ 44.477870] ? vfs_get_super+0x270/0x270 [ 44.481939] ? __x64_sys_mount+0xbe/0x150 [ 44.486108] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 44.491693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.497240] ? ns_capable_common+0x13f/0x170 [ 44.501896] ? get_anon_bdev+0xc0/0xc0 [ 44.505791] ? sget+0x113/0x150 [ 44.509090] ? autofs_get_inode+0x3e0/0x3e0 [ 44.513425] mount_nodev+0x73/0x120 [ 44.517054] ? mount_nodev+0x73/0x120 [ 44.520871] autofs_mount+0x34/0x40 [ 44.524506] ? ubifs_init_security+0xf0/0xf0 [ 44.528924] legacy_get_tree+0x12f/0x260 [ 44.532995] ? security_fs_context_validate+0x80/0xa0 [ 44.538195] vfs_get_tree+0x1cb/0x5c0 [ 44.542007] ? legacy_fs_context_dup+0x1d0/0x1d0 [ 44.546772] do_mount+0x82a/0x1ff0 [ 44.550331] ? lock_release+0xa00/0xa00 [ 44.554330] ? copy_mount_string+0x40/0x40 [ 44.558607] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 44.564152] ? _copy_from_user+0xdf/0x150 [ 44.568314] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 44.573874] ? copy_mount_options+0x315/0x430 [ 44.578383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 44.583928] ksys_mount+0x12d/0x140 [ 44.587567] __x64_sys_mount+0xbe/0x150 [ 44.591566] do_syscall_64+0x1b9/0x820 [ 44.595468] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 44.600841] ? syscall_return_slowpath+0x5e0/0x5e0 [ 44.605783] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.610643] ? trace_hardirqs_on_caller+0x310/0x310 [ 44.615670] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 44.620696] ? prepare_exit_to_usermode+0x291/0x3b0 [ 44.625724] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.630588] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.635792] RIP: 0033:0x441be9 [ 44.638991] Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 44.657895] RSP: 002b:00007ffff6330f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 44.665614] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441be9 [ 44.672888] RDX: 0000000020000180 RSI: 0000000020000100 RDI: 0000000000000000 [ 44.680161] RBP: 00007ffff6330fe0 R08: 0000000000000000 R09: 0000000000000000 [ 44.687434] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 44.694965] R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 [ 44.702352] CPU: 1 PID: 6102 Comm: syz-executor637 Not tainted 4.20.0-rc6-next-20181214+ #171 [ 44.706691] FAULT_INJECTION: forcing a failure. [ 44.706691] name failslab, interval 1, probability 0, space 0, times 1 [ 44.711031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.711037] Call Trace: [ 44.711063] dump_stack+0x244/0x39d [ 44.711092] ? dump_stack_print_info.cold.1+0x20/0x20 [ 44.726422] FAULT_INJECTION: forcing a failure. [ 44.726422] name failslab, interval 1, probability 0, space 0, times 1 [ 44.731627] ? mark_held_locks+0x130/0x130 [ 44.731652] should_fail.cold.4+0xa/0x17 [ 44.731671] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 44.767599] ? kernel_text_address+0x79/0xf0 [ 44.772022] ? __kernel_text_address+0xd/0x40 [ 44.776534] ? __save_stack_trace+0x8d/0xf0 [ 44.780867] ? graph_lock+0x270/0x270 [ 44.784686] ? find_held_lock+0x36/0x1c0 [ 44.788758] ? __lock_is_held+0xb5/0x140 [ 44.792843] ? perf_trace_sched_process_exec+0x860/0x860 [ 44.798313] __should_failslab+0x124/0x180 [ 44.802570] should_failslab+0x9/0x14 [ 44.806384] kmem_cache_alloc+0x2c4/0x730 [ 44.810546] ? trace_hardirqs_on+0xbd/0x310 [ 44.814873] ? current_time+0x72/0x1b0 [ 44.818771] __d_alloc+0xc8/0xb90 [ 44.822235] ? shrink_dcache_for_umount+0x2b0/0x2b0 [ 44.827264] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 44.832288] ? ktime_get_coarse_real_ts64+0x22e/0x370 [ 44.837519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.843068] ? timespec64_trunc+0xea/0x180 [ 44.847319] ? inode_init_owner+0x340/0x340 [ 44.851664] ? _raw_spin_unlock+0x2c/0x50 [ 44.855876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.861425] ? check_preemption_disabled+0x48/0x280 [ 44.866456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.871998] ? set_nlink+0xb7/0x1c0 [ 44.875638] d_make_root+0x43/0xc0 [ 44.879197] autofs_fill_super+0x6f1/0x1c30 [ 44.883532] ? register_shrinker_prepared+0x1a9/0x260 [ 44.888746] ? autofs_get_inode+0x3e0/0x3e0 [ 44.893077] ? vfs_get_super+0x270/0x270 [ 44.897151] ? __x64_sys_mount+0xbe/0x150 [ 44.901322] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 44.906903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.912453] ? ns_capable_common+0x13f/0x170 [ 44.916872] ? get_anon_bdev+0xc0/0xc0 [ 44.920763] ? sget+0x113/0x150 [ 44.924054] ? autofs_get_inode+0x3e0/0x3e0 [ 44.928381] mount_nodev+0x73/0x120 [ 44.932013] ? mount_nodev+0x73/0x120 [ 44.935823] autofs_mount+0x34/0x40 [ 44.939461] ? ubifs_init_security+0xf0/0xf0 [ 44.943877] legacy_get_tree+0x12f/0x260 [ 44.947944] ? security_fs_context_validate+0x80/0xa0 [ 44.953139] vfs_get_tree+0x1cb/0x5c0 [ 44.956947] ? legacy_fs_context_dup+0x1d0/0x1d0 [ 44.961709] do_mount+0x82a/0x1ff0 [ 44.965259] ? lock_release+0xa00/0xa00 [ 44.969260] ? copy_mount_string+0x40/0x40 [ 44.973521] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 44.979065] ? _copy_from_user+0xdf/0x150 [ 44.983232] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 44.988775] ? copy_mount_options+0x315/0x430 [ 44.993276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 44.998822] ksys_mount+0x12d/0x140 [ 45.002461] __x64_sys_mount+0xbe/0x150 [ 45.006453] do_syscall_64+0x1b9/0x820 [ 45.010357] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 45.015730] ? syscall_return_slowpath+0x5e0/0x5e0 [ 45.020669] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.025523] ? trace_hardirqs_on_caller+0x310/0x310 [ 45.030546] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 45.035569] ? prepare_exit_to_usermode+0x291/0x3b0 [ 45.040601] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.045461] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.050657] RIP: 0033:0x441be9 [ 45.053860] Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 45.072772] RSP: 002b:00007ffff6330f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 45.080489] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441be9 [ 45.087758] RDX: 0000000020000180 RSI: 0000000020000100 RDI: 0000000000000000 [ 45.095027] RBP: 00007ffff6330fe0 R08: 0000000000000000 R09: 0000000000000100 executing program executing program executing program [ 45.102298] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 45.109568] R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 [ 45.116869] CPU: 0 PID: 6105 Comm: syz-executor637 Not tainted 4.20.0-rc6-next-20181214+ #171 [ 45.125554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.127410] autofs4:pid:6108:autofs_fill_super: called with bogus options [ 45.134903] Call Trace: [ 45.134932] dump_stack+0x244/0x39d [ 45.134954] ? dump_stack_print_info.cold.1+0x20/0x20 [ 45.134976] ? mark_held_locks+0x130/0x130 [ 45.157498] should_fail.cold.4+0xa/0x17 [ 45.161574] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 45.166692] ? kernel_text_address+0x79/0xf0 [ 45.171107] ? __kernel_text_address+0xd/0x40 [ 45.175626] ? __save_stack_trace+0x8d/0xf0 [ 45.179961] ? graph_lock+0x270/0x270 [ 45.183781] ? find_held_lock+0x36/0x1c0 [ 45.187853] ? __lock_is_held+0xb5/0x140 [ 45.191936] ? perf_trace_sched_process_exec+0x860/0x860 [ 45.197409] __should_failslab+0x124/0x180 [ 45.201654] should_failslab+0x9/0x14 [ 45.205464] kmem_cache_alloc+0x2c4/0x730 [ 45.209629] ? trace_hardirqs_on+0xbd/0x310 [ 45.213957] ? current_time+0x72/0x1b0 [ 45.217855] __d_alloc+0xc8/0xb90 [ 45.221321] ? shrink_dcache_for_umount+0x2b0/0x2b0 [ 45.226364] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 45.231388] ? ktime_get_coarse_real_ts64+0x22e/0x370 [ 45.236588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.237538] ------------[ cut here ]------------ [ 45.242136] ? timespec64_trunc+0xea/0x180 [ 45.246879] kernel BUG at fs/inode.c:1566! [ 45.251110] ? inode_init_owner+0x340/0x340 [ 45.259653] ? _raw_spin_unlock+0x2c/0x50 [ 45.263821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.269376] ? check_preemption_disabled+0x48/0x280 [ 45.274411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.279956] ? set_nlink+0xb7/0x1c0 [ 45.283598] d_make_root+0x43/0xc0 [ 45.287157] autofs_fill_super+0x6f1/0x1c30 [ 45.290117] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 45.291487] ? register_shrinker_prepared+0x1a9/0x260 [ 45.296852] CPU: 1 PID: 6100 Comm: syz-executor637 Not tainted 4.20.0-rc6-next-20181214+ #171 [ 45.302027] ? autofs_get_inode+0x3e0/0x3e0 [ 45.310677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.314991] ? vfs_get_super+0x270/0x270 [ 45.324333] RIP: 0010:iput+0x915/0xa90 [ 45.328385] ? __x64_sys_mount+0xbe/0x150 [ 45.332253] Code: e4 0f 84 a8 fe ff ff e8 e9 fe a6 ff 48 89 df e8 61 f4 ff ff 48 8b bd f0 fe ff ff e8 35 41 08 06 e9 69 fd ff ff e8 cb fe a6 ff <0f> 0b e8 c4 fe a6 ff 0f 0b e9 d5 fb ff ff e8 b8 fe a6 ff 0f 0b e9 [ 45.336433] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 45.355308] RSP: 0018:ffff8881c0ff76b8 EFLAGS: 00010293 [ 45.360852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.366196] RAX: ffff8881c0fdc100 RBX: ffff8881b25f44a0 RCX: ffffffff81d8fc14 [ 45.371721] ? ns_capable_common+0x13f/0x170 [ 45.378973] RDX: 0000000000000000 RSI: ffffffff81d90455 RDI: 0000000000000007 [ 45.383381] ? get_anon_bdev+0xc0/0xc0 [ 45.390629] RBP: ffff8881c0ff77f0 R08: ffff8881c0fdc100 R09: 0000000000000006 [ 45.394506] ? sget+0x113/0x150 [ 45.401783] R10: 0000000000000000 R11: ffff8881c0fdc100 R12: 0000000000000040 [ 45.405056] ? autofs_get_inode+0x3e0/0x3e0 [ 45.412305] R13: ffff8881c0ff7910 R14: 00000000ffffffea R15: ffff8881d0c4d200 [ 45.416618] mount_nodev+0x73/0x120 [ 45.423869] FS: 0000000001e1a880(0000) GS:ffff8881dad00000(0000) knlGS:0000000000000000 [ 45.427478] ? mount_nodev+0x73/0x120 [ 45.435688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.439481] autofs_mount+0x34/0x40 [ 45.445338] CR2: 00000000006cd0a0 CR3: 00000001b2c56000 CR4: 00000000001406e0 [ 45.448965] ? ubifs_init_security+0xf0/0xf0 [ 45.456222] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.460628] legacy_get_tree+0x12f/0x260 [ 45.467878] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.471942] ? security_fs_context_validate+0x80/0xa0 [ 45.479189] Call Trace: [ 45.484380] vfs_get_tree+0x1cb/0x5c0 [ 45.486947] ? inode_add_lru+0x2a0/0x2a0 [ 45.490771] ? legacy_fs_context_dup+0x1d0/0x1d0 [ 45.494834] ? _raw_spin_unlock+0x2c/0x50 [ 45.499800] do_mount+0x82a/0x1ff0 [ 45.503936] ? inode_add_lru+0x2a0/0x2a0 [ 45.507463] ? lock_release+0xa00/0xa00 [ 45.511508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.515462] ? copy_mount_string+0x40/0x40 [ 45.520991] ? check_preemption_disabled+0x48/0x280 [ 45.525210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 45.530203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.535725] ? _copy_from_user+0xdf/0x150 [ 45.541249] ? set_nlink+0xb7/0x1c0 [ 45.545380] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 45.549018] autofs_fill_super+0x15fb/0x1c30 [ 45.554535] ? copy_mount_options+0x315/0x430 [ 45.558972] ? register_shrinker_prepared+0x1a9/0x260 [ 45.563475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 45.568660] ? autofs_get_inode+0x3e0/0x3e0 [ 45.574172] ksys_mount+0x12d/0x140 [ 45.578478] ? vfs_get_super+0x270/0x270 [ 45.582084] __x64_sys_mount+0xbe/0x150 [ 45.586133] ? __x64_sys_mount+0xbe/0x150 [ 45.590098] do_syscall_64+0x1b9/0x820 [ 45.594231] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 45.598098] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 45.603628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.608974] ? syscall_return_slowpath+0x5e0/0x5e0 [ 45.614494] ? ns_capable_common+0x13f/0x170 [ 45.619407] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.623800] ? get_anon_bdev+0xc0/0xc0 [ 45.628640] ? trace_hardirqs_on_caller+0x310/0x310 [ 45.633036] ? sget+0x113/0x150 [ 45.638043] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 45.641307] ? autofs_get_inode+0x3e0/0x3e0 [ 45.646306] ? prepare_exit_to_usermode+0x291/0x3b0 [ 45.650619] mount_nodev+0x73/0x120 [ 45.655621] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.659223] ? mount_nodev+0x73/0x120 [ 45.664056] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.667838] autofs_mount+0x34/0x40 [ 45.673003] RIP: 0033:0x441be9 [ 45.676622] ? ubifs_init_security+0xf0/0xf0 [ 45.679794] Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 45.684186] legacy_get_tree+0x12f/0x260 [ 45.703211] RSP: 002b:00007ffff6330f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 45.707284] ? security_fs_context_validate+0x80/0xa0 [ 45.714964] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441be9 [ 45.720158] vfs_get_tree+0x1cb/0x5c0 [ 45.727408] RDX: 0000000020000180 RSI: 0000000020000100 RDI: 0000000000000000 [ 45.731200] ? legacy_fs_context_dup+0x1d0/0x1d0 [ 45.738459] RBP: 00007ffff6330fe0 R08: 0000000000000000 R09: 0000000000000100 [ 45.738472] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 45.743218] do_mount+0x82a/0x1ff0 [ 45.750472] R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 [ 45.757740] ? lock_release+0xa00/0xa00 [ 45.768219] FAULT_INJECTION: forcing a failure. [ 45.768219] name failslab, interval 1, probability 0, space 0, times 0 [ 45.768517] ? copy_mount_string+0x40/0x40 [ 45.768544] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 45.772547] CPU: 0 PID: 6107 Comm: syz-executor637 Not tainted 4.20.0-rc6-next-20181214+ #171 [ 45.783682] ? _copy_from_user+0xdf/0x150 [ 45.787909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.793451] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 45.802118] Call Trace: [ 45.806260] ? copy_mount_options+0x315/0x430 [ 45.815610] dump_stack+0x244/0x39d [ 45.821129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 45.823698] ? dump_stack_print_info.cold.1+0x20/0x20 [ 45.828170] ksys_mount+0x12d/0x140 [ 45.831781] ? mark_held_locks+0x130/0x130 [ 45.837300] __x64_sys_mount+0xbe/0x150 [ 45.842475] should_fail.cold.4+0xa/0x17 [ 45.846092] do_syscall_64+0x1b9/0x820 [ 45.850307] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 45.854271] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 45.858315] ? kernel_text_address+0x79/0xf0 [ 45.862184] ? syscall_return_slowpath+0x5e0/0x5e0 [ 45.867270] ? __kernel_text_address+0xd/0x40 [ 45.872622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.877020] ? __save_stack_trace+0x8d/0xf0 [ 45.881935] ? trace_hardirqs_on_caller+0x310/0x310 [ 45.886417] ? graph_lock+0x270/0x270 [ 45.891243] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 45.895547] ? find_held_lock+0x36/0x1c0 [ 45.900547] ? prepare_exit_to_usermode+0x291/0x3b0 [ 45.904329] ? __lock_is_held+0xb5/0x140 [ 45.909367] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.913431] ? perf_trace_sched_process_exec+0x860/0x860 [ 45.918434] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.922480] __should_failslab+0x124/0x180 [ 45.927298] RIP: 0033:0x441be9 [ 45.932745] should_failslab+0x9/0x14 [ 45.937915] Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 45.942175] kmem_cache_alloc+0x2c4/0x730 [ 45.945347] RSP: 002b:00007ffff6330f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 45.949138] ? trace_hardirqs_on+0xbd/0x310 [ 45.968022] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441be9 [ 45.972165] ? current_time+0x72/0x1b0 [ 45.979852] RDX: 0000000020000180 RSI: 0000000020000100 RDI: 0000000000000000 [ 45.984155] __d_alloc+0xc8/0xb90 executing program [ 45.991419] RBP: 00007ffff6330fe0 R08: 0000000000000000 R09: 0000000000000000 [ 45.995294] ? shrink_dcache_for_umount+0x2b0/0x2b0 [ 46.002543] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 46.005986] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 46.013251] R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 [ 46.018257] ? ktime_get_coarse_real_ts64+0x22e/0x370 [ 46.025500] Modules linked in: [ 46.030511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.051705] ? timespec64_trunc+0xea/0x180 [ 46.055955] ? inode_init_owner+0x340/0x340 [ 46.060284] ? _raw_spin_unlock+0x2c/0x50 [ 46.064447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.069994] ? check_preemption_disabled+0x48/0x280 [ 46.075015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.080555] ? set_nlink+0xb7/0x1c0 [ 46.084189] d_make_root+0x43/0xc0 [ 46.087736] autofs_fill_super+0x6f1/0x1c30 [ 46.092060] ? register_shrinker_prepared+0x1a9/0x260 [ 46.097272] ? autofs_get_inode+0x3e0/0x3e0 [ 46.101599] ? vfs_get_super+0x270/0x270 [ 46.105674] ? find_held_lock+0x36/0x1c0 [ 46.109747] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 46.115305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.120848] ? ns_capable_common+0x13f/0x170 [ 46.125261] ? get_anon_bdev+0xc0/0xc0 [ 46.129146] ? sget+0x113/0x150 [ 46.132534] ? autofs_get_inode+0x3e0/0x3e0 [ 46.136880] mount_nodev+0x73/0x120 [ 46.140534] ? mount_nodev+0x73/0x120 [ 46.144339] autofs_mount+0x34/0x40 [ 46.147988] ? ubifs_init_security+0xf0/0xf0 [ 46.152412] legacy_get_tree+0x12f/0x260 [ 46.156481] ? security_fs_context_validate+0x80/0xa0 [ 46.161692] vfs_get_tree+0x1cb/0x5c0 [ 46.165495] ? legacy_fs_context_dup+0x1d0/0x1d0 [ 46.167524] ------------[ cut here ]------------ [ 46.170273] do_mount+0x82a/0x1ff0 [ 46.175013] kernel BUG at fs/inode.c:1566! [ 46.178548] ? lock_release+0xa00/0xa00 [ 46.186721] ? copy_mount_string+0x40/0x40 [ 46.190999] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 46.193876] invalid opcode: 0000 [#2] PREEMPT SMP KASAN [ 46.196542] ? _copy_from_user+0xdf/0x150 [ 46.201889] CPU: 1 PID: 6105 Comm: syz-executor637 Tainted: G D 4.20.0-rc6-next-20181214+ #171 [ 46.206020] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 46.216075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.221610] ? copy_mount_options+0x315/0x430 [ 46.230962] RIP: 0010:iput+0x915/0xa90 [ 46.235442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 46.239325] Code: e4 0f 84 a8 fe ff ff e8 e9 fe a6 ff 48 89 df e8 61 f4 ff ff 48 8b bd f0 fe ff ff e8 35 41 08 06 e9 69 fd ff ff e8 cb fe a6 ff <0f> 0b e8 c4 fe a6 ff 0f 0b e9 d5 fb ff ff e8 b8 fe a6 ff 0f 0b e9 [ 46.244870] ksys_mount+0x12d/0x140 [ 46.263753] RSP: 0018:ffff8881b4f276b8 EFLAGS: 00010293 [ 46.267375] __x64_sys_mount+0xbe/0x150 [ 46.272715] RAX: ffff8881c170a580 RBX: ffff8881b2687880 RCX: ffffffff81d8fc14 [ 46.276680] do_syscall_64+0x1b9/0x820 [ 46.283956] RDX: 0000000000000000 RSI: ffffffff81d90455 RDI: 0000000000000007 [ 46.287840] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 46.295109] RBP: ffff8881b4f277f0 R08: ffff8881c170a580 R09: ffffed103b5a5b77 [ 46.300457] ? syscall_return_slowpath+0x5e0/0x5e0 [ 46.307705] R10: ffffed103b5a5b77 R11: ffff8881dad2dbbb R12: 0000000000000040 [ 46.312675] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.319925] R13: ffff8881b4f27910 R14: 00000000ffffffea R15: ffff8881d0c4af00 [ 46.324763] ? trace_hardirqs_on_caller+0x310/0x310 [ 46.332041] FS: 0000000001e1a880(0000) GS:ffff8881dad00000(0000) knlGS:0000000000000000 [ 46.337048] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 46.345248] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.350251] ? prepare_exit_to_usermode+0x291/0x3b0 [ 46.356114] CR2: 0000000002497000 CR3: 00000001b3373000 CR4: 00000000001406e0 [ 46.361141] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.368388] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.373226] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.380471] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.385645] RIP: 0033:0x441be9 [ 46.392910] Call Trace: [ 46.396107] Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 46.398713] ? inode_add_lru+0x2a0/0x2a0 [ 46.417611] RSP: 002b:00007ffff6330f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 46.421658] ? _raw_spin_unlock+0x2c/0x50 [ 46.429349] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441be9 [ 46.433486] ? inode_add_lru+0x2a0/0x2a0 [ 46.440749] RDX: 0000000020000180 RSI: 0000000020000100 RDI: 0000000000000000 [ 46.444804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.452060] RBP: 00007ffff6330fe0 R08: 0000000000000000 R09: 0000000000000000 [ 46.457598] ? check_preemption_disabled+0x48/0x280 [ 46.464854] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 46.469862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.477112] R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 [ 46.478266] ------------[ cut here ]------------ [ 46.482661] ? set_nlink+0xb7/0x1c0 [ 46.489912] kernel BUG at fs/inode.c:1566! [ 46.494688] autofs_fill_super+0x15fb/0x1c30 [ 46.498887] CPU: 0 PID: 6109 Comm: syz-executor637 Tainted: G D 4.20.0-rc6-next-20181214+ #171 [ 46.502678] ? register_shrinker_prepared+0x1a9/0x260 [ 46.507079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.517126] ? autofs_get_inode+0x3e0/0x3e0 [ 46.522280] Call Trace: [ 46.531632] ? vfs_get_super+0x270/0x270 [ 46.535939] dump_stack+0x244/0x39d [ 46.538507] ? __x64_sys_mount+0xbe/0x150 [ 46.542551] ? dump_stack_print_info.cold.1+0x20/0x20 [ 46.546165] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 46.550298] ? mark_held_locks+0x130/0x130 [ 46.555478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.561023] should_fail.cold.4+0xa/0x17 [ 46.565280] ? ns_capable_common+0x13f/0x170 [ 46.570801] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 46.574846] ? get_anon_bdev+0xc0/0xc0 [ 46.579243] ? kernel_text_address+0x79/0xf0 [ 46.584328] ? sget+0x113/0x150 [ 46.588208] ? __kernel_text_address+0xd/0x40 [ 46.592623] ? autofs_get_inode+0x3e0/0x3e0 [ 46.595897] ? unwind_get_return_address+0x61/0xa0 [ 46.600378] mount_nodev+0x73/0x120 [ 46.604712] ? __save_stack_trace+0x8d/0xf0 [ 46.609636] ? mount_nodev+0x73/0x120 [ 46.613267] ? save_stack+0xa9/0xd0 [ 46.617581] autofs_mount+0x34/0x40 [ 46.621376] ? __lockdep_init_map+0x105/0x590 [ 46.624983] ? ubifs_init_security+0xf0/0xf0 [ 46.628597] ? fs_reclaim_acquire+0x20/0x20 [ 46.633560] legacy_get_tree+0x12f/0x260 [ 46.637956] ? lock_downgrade+0x900/0x900 [ 46.642257] ? security_fs_context_validate+0x80/0xa0 [ 46.646301] ? do_syscall_64+0x1b9/0x820 [ 46.650430] vfs_get_tree+0x1cb/0x5c0 [ 46.655611] ? perf_trace_sched_process_exec+0x860/0x860 [ 46.659651] ? legacy_fs_context_dup+0x1d0/0x1d0 [ 46.663440] __should_failslab+0x124/0x180 [ 46.668870] do_mount+0x82a/0x1ff0 [ 46.673617] should_failslab+0x9/0x14 [ 46.677843] ? lock_release+0xa00/0xa00 [ 46.681375] kmem_cache_alloc+0x2c4/0x730 [ 46.685158] ? copy_mount_string+0x40/0x40 [ 46.689121] ? trace_hardirqs_on+0xbd/0x310 [ 46.693267] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 46.697481] ? current_time+0x72/0x1b0 [ 46.701786] ? _copy_from_user+0xdf/0x150 [ 46.707305] __d_alloc+0xc8/0xb90 [ 46.711181] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 46.715305] ? shrink_dcache_for_umount+0x2b0/0x2b0 [ 46.718744] ? copy_mount_options+0x315/0x430 [ 46.724267] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 46.729270] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 46.733752] ? ktime_get_coarse_real_ts64+0x22e/0x370 [ 46.738746] ksys_mount+0x12d/0x140 [ 46.744298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.749467] __x64_sys_mount+0xbe/0x150 [ 46.753079] ? timespec64_trunc+0xea/0x180 [ 46.758603] do_syscall_64+0x1b9/0x820 [ 46.762566] ? inode_init_owner+0x340/0x340 [ 46.766791] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 46.770657] ? _raw_spin_unlock+0x2c/0x50 [ 46.774965] ? syscall_return_slowpath+0x5e0/0x5e0 [ 46.780314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.784438] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.789361] ? check_preemption_disabled+0x48/0x280 [ 46.794878] ? trace_hardirqs_on_caller+0x310/0x310 [ 46.799705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.804706] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 46.809705] ? set_nlink+0xb7/0x1c0 [ 46.815224] ? prepare_exit_to_usermode+0x291/0x3b0 [ 46.820222] d_make_root+0x43/0xc0 [ 46.823837] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.828837] autofs_fill_super+0x6f1/0x1c30 [ 46.832369] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.837198] ? register_shrinker_prepared+0x1a9/0x260 [ 46.841503] RIP: 0033:0x441be9 [ 46.846685] ? autofs_get_inode+0x3e0/0x3e0 [ 46.851870] Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 46.855052] ? vfs_get_super+0x270/0x270 [ 46.859356] RSP: 002b:00007ffff6330f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 46.878258] ? __x64_sys_mount+0xbe/0x150 [ 46.882297] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441be9 [ 46.890011] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.894137] RDX: 0000000020000180 RSI: 0000000020000100 RDI: 0000000000000000 [ 46.901401] ? __x64_sys_mount+0xbe/0x150 [ 46.906742] RBP: 00007ffff6330fe0 R08: 0000000000000000 R09: 0000000000000100 [ 46.914007] ? do_syscall_64+0x1b9/0x820 [ 46.918124] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 46.918136] R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 [ 46.925419] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.929453] Modules linked in: [ 46.936739] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 46.958066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.963620] ? ns_capable_common+0x13f/0x170 [ 46.968041] ? get_anon_bdev+0xc0/0xc0 [ 46.971927] ? sget+0x113/0x150 [ 46.975216] ? autofs_get_inode+0x3e0/0x3e0 [ 46.979542] mount_nodev+0x73/0x120 [ 46.983169] ? mount_nodev+0x73/0x120 [ 46.986977] autofs_mount+0x34/0x40 [ 46.990629] ? ubifs_init_security+0xf0/0xf0 [ 46.995039] legacy_get_tree+0x12f/0x260 [ 46.999102] ? security_fs_context_validate+0x80/0xa0 [ 47.004334] vfs_get_tree+0x1cb/0x5c0 [ 47.008150] ? legacy_fs_context_dup+0x1d0/0x1d0 [ 47.012905] do_mount+0x82a/0x1ff0 [ 47.016456] ? lock_release+0xa00/0xa00 [ 47.020450] ? copy_mount_string+0x40/0x40 [ 47.024698] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.030237] ? _copy_from_user+0xdf/0x150 [ 47.034409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.039948] ? copy_mount_options+0x315/0x430 [ 47.044447] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.049988] ksys_mount+0x12d/0x140 [ 47.053636] __x64_sys_mount+0xbe/0x150 [ 47.057624] do_syscall_64+0x1b9/0x820 [ 47.061519] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 47.066887] ? syscall_return_slowpath+0x5e0/0x5e0 [ 47.071822] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.076672] ? trace_hardirqs_on_caller+0x310/0x310 [ 47.081692] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 47.086754] ? prepare_exit_to_usermode+0x291/0x3b0 [ 47.091782] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.096639] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.101833] RIP: 0033:0x441be9 [ 47.105033] Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 47.123946] RSP: 002b:00007ffff6330f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 47.131653] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441be9 [ 47.138921] RDX: 0000000020000180 RSI: 0000000020000100 RDI: 0000000000000000 [ 47.146202] RBP: 00007ffff6330fe0 R08: 0000000000000000 R09: 0000000000000000 [ 47.153466] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 47.160749] R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 [ 47.168039] CPU: 1 PID: 6101 Comm: syz-executor637 Tainted: G D 4.20.0-rc6-next-20181214+ #171 [ 47.168742] invalid opcode: 0000 [#3] PREEMPT SMP KASAN [ 47.178109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.183460] CPU: 0 PID: 6102 Comm: syz-executor637 Tainted: G D 4.20.0-rc6-next-20181214+ #171 [ 47.192791] Call Trace: [ 47.202832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.205431] dump_stack+0x244/0x39d [ 47.214762] RIP: 0010:iput+0x915/0xa90 [ 47.218378] ? dump_stack_print_info.cold.1+0x20/0x20 [ 47.222247] Code: e4 0f 84 a8 fe ff ff e8 e9 fe a6 ff 48 89 df e8 61 f4 ff ff 48 8b bd f0 fe ff ff e8 35 41 08 06 e9 69 fd ff ff e8 cb fe a6 ff <0f> 0b e8 c4 fe a6 ff 0f 0b e9 d5 fb ff ff e8 b8 fe a6 ff 0f 0b e9 [ 47.227423] ? mark_held_locks+0x130/0x130 [ 47.246330] RSP: 0000:ffff8881cca776b8 EFLAGS: 00010293 [ 47.250561] should_fail.cold.4+0xa/0x17 [ 47.255915] RAX: ffff8881d105c540 RBX: ffff8881b26768c0 RCX: ffffffff81d8fc14 [ 47.259969] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 47.267219] RDX: 0000000000000000 RSI: ffffffff81d90455 RDI: 0000000000000007 [ 47.272312] ? kernel_text_address+0x79/0xf0 [ 47.279563] RBP: ffff8881cca777f0 R08: ffff8881d105c540 R09: ffffed103b585b77 [ 47.283962] ? __kernel_text_address+0xd/0x40 [ 47.291215] R10: ffffed103b585b77 R11: ffff8881dac2dbbb R12: 0000000000000040 [ 47.295718] ? __save_stack_trace+0x8d/0xf0 [ 47.302964] R13: ffff8881cca77910 R14: 00000000ffffffea R15: ffff8881d0c4d000 [ 47.307295] ? graph_lock+0x270/0x270 [ 47.314543] FS: 0000000001e1a880(0000) GS:ffff8881dac00000(0000) knlGS:0000000000000000 [ 47.318329] ? find_held_lock+0x36/0x1c0 [ 47.326544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.330596] ? __lock_is_held+0xb5/0x140 [ 47.336460] CR2: 0000000020000140 CR3: 00000001d824d000 CR4: 00000000001406f0 [ 47.340517] ? perf_trace_sched_process_exec+0x860/0x860 [ 47.347766] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.353215] __should_failslab+0x124/0x180 [ 47.360467] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.364692] should_failslab+0x9/0x14 [ 47.371941] Call Trace: [ 47.375734] kmem_cache_alloc+0x2c4/0x730 [ 47.378302] ? inode_add_lru+0x2a0/0x2a0 [ 47.382447] ? trace_hardirqs_on+0xbd/0x310 [ 47.386489] ? _raw_spin_unlock+0x2c/0x50 [ 47.390791] ? current_time+0x72/0x1b0 [ 47.394923] ? inode_add_lru+0x2a0/0x2a0 [ 47.398791] __d_alloc+0xc8/0xb90 [ 47.402867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.406296] ? shrink_dcache_for_umount+0x2b0/0x2b0 [ 47.411819] ? check_preemption_disabled+0x48/0x280 [ 47.416815] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 47.421816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.426819] ? ktime_get_coarse_real_ts64+0x22e/0x370 [ 47.432334] ? set_nlink+0xb7/0x1c0 [ 47.437518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.441154] autofs_fill_super+0x15fb/0x1c30 [ 47.446681] ? timespec64_trunc+0xea/0x180 [ 47.451112] ? register_shrinker_prepared+0x1a9/0x260 [ 47.455328] ? inode_init_owner+0x340/0x340 [ 47.460517] ? autofs_get_inode+0x3e0/0x3e0 [ 47.464818] ? _raw_spin_unlock+0x2c/0x50 [ 47.469127] ? vfs_get_super+0x270/0x270 [ 47.473262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.477304] ? __x64_sys_mount+0xbe/0x150 [ 47.482831] ? check_preemption_disabled+0x48/0x280 [ 47.486976] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 47.491972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.497503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.503018] ? set_nlink+0xb7/0x1c0 [ 47.508541] ? ns_capable_common+0x13f/0x170 [ 47.512146] d_make_root+0x43/0xc0 [ 47.516539] ? get_anon_bdev+0xc0/0xc0 [ 47.520088] autofs_fill_super+0x6f1/0x1c30 [ 47.523952] ? sget+0x113/0x150 [ 47.528282] ? register_shrinker_prepared+0x1a9/0x260 [ 47.531540] ? autofs_get_inode+0x3e0/0x3e0 [ 47.536717] ? autofs_get_inode+0x3e0/0x3e0 [ 47.541014] mount_nodev+0x73/0x120 [ 47.545357] ? vfs_get_super+0x270/0x270 [ 47.548972] ? mount_nodev+0x73/0x120 [ 47.553020] ? __x64_sys_mount+0xbe/0x150 [ 47.556807] autofs_mount+0x34/0x40 [ 47.560942] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 47.564551] ? ubifs_init_security+0xf0/0xf0 [ 47.570080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.574461] legacy_get_tree+0x12f/0x260 [ 47.579982] ? ns_capable_common+0x13f/0x170 [ 47.584023] ? security_fs_context_validate+0x80/0xa0 [ 47.588416] ? get_anon_bdev+0xc0/0xc0 [ 47.593588] vfs_get_tree+0x1cb/0x5c0 [ 47.597456] ? sget+0x113/0x150 [ 47.601274] ? legacy_fs_context_dup+0x1d0/0x1d0 [ 47.604543] ? autofs_get_inode+0x3e0/0x3e0 [ 47.609277] do_mount+0x82a/0x1ff0 [ 47.613582] mount_nodev+0x73/0x120 [ 47.617109] ? lock_release+0xa00/0xa00 [ 47.620720] ? mount_nodev+0x73/0x120 [ 47.624679] ? copy_mount_string+0x40/0x40 [ 47.628496] autofs_mount+0x34/0x40 [ 47.632983] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.636593] ? ubifs_init_security+0xf0/0xf0 [ 47.642123] ? _copy_from_user+0xdf/0x150 [ 47.646509] legacy_get_tree+0x12f/0x260 [ 47.650643] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.654688] ? security_fs_context_validate+0x80/0xa0 [ 47.660207] ? copy_mount_options+0x315/0x430 [ 47.665382] vfs_get_tree+0x1cb/0x5c0 [ 47.669861] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.673645] ? legacy_fs_context_dup+0x1d0/0x1d0 [ 47.679163] ksys_mount+0x12d/0x140 [ 47.683904] do_mount+0x82a/0x1ff0 [ 47.687516] __x64_sys_mount+0xbe/0x150 [ 47.691552] ? lock_release+0xa00/0xa00 [ 47.695509] do_syscall_64+0x1b9/0x820 [ 47.699461] ? copy_mount_string+0x40/0x40 [ 47.703337] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 47.707563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.712908] ? syscall_return_slowpath+0x5e0/0x5e0 [ 47.718432] ? _copy_from_user+0xdf/0x150 [ 47.723364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.727498] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.732327] ? trace_hardirqs_on_caller+0x310/0x310 [ 47.737842] ? copy_mount_options+0x315/0x430 [ 47.742856] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 47.747331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.752333] ? prepare_exit_to_usermode+0x291/0x3b0 [ 47.757861] ksys_mount+0x12d/0x140 [ 47.762912] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.766523] __x64_sys_mount+0xbe/0x150 [ 47.771358] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.775308] do_syscall_64+0x1b9/0x820 [ 47.780476] RIP: 0033:0x441be9 [ 47.784357] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 47.787532] Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 47.792881] ? syscall_return_slowpath+0x5e0/0x5e0 [ 47.811761] RSP: 002b:00007ffff6330f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 47.816680] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.824372] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441be9 [ 47.829201] ? trace_hardirqs_on_caller+0x310/0x310 [ 47.836450] RDX: 0000000020000180 RSI: 0000000020000100 RDI: 0000000000000000 [ 47.841454] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 47.848701] RBP: 00007ffff6330fe0 R08: 0000000000000000 R09: 0000000000000100 [ 47.853704] ? prepare_exit_to_usermode+0x291/0x3b0 [ 47.860968] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 47.865973] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.873233] R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 [ 47.878064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.885320] Modules linked in: [ 47.890517] RIP: 0033:0x441be9 [ 47.894250] ------------[ cut here ]------------ [ 47.896881] Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 47.901652] kernel BUG at fs/inode.c:1566! [ 47.920559] RSP: 002b:00007ffff6330f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 47.924870] invalid opcode: 0000 [#4] PREEMPT SMP KASAN [ 47.932485] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441be9 [ 47.937855] CPU: 0 PID: 6109 Comm: syz-executor637 Tainted: G D 4.20.0-rc6-next-20181214+ #171 [ 47.945141] RDX: 0000000020000180 RSI: 0000000020000100 RDI: 0000000000000000 [ 47.955190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.962463] RBP: 00007ffff6330fe0 R08: 0000000000000000 R09: 0000000000000100 [ 47.971812] RIP: 0010:iput+0x915/0xa90 [ 47.979060] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 47.982942] Code: e4 0f 84 a8 fe ff ff e8 e9 fe a6 ff 48 89 df e8 61 f4 ff ff 48 8b bd f0 fe ff ff e8 35 41 08 06 e9 69 fd ff ff e8 cb fe a6 ff <0f> 0b e8 c4 fe a6 ff 0f 0b e9 d5 fb ff ff e8 b8 fe a6 ff 0f 0b e9 [ 47.990190] R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 [ 48.009080] RSP: 0000:ffff8881d2b476b8 EFLAGS: 00010293 [ 48.021588] ---[ end trace c981ed50117a38b3 ]--- [ 48.021709] RAX: ffff8881d96ec080 RBX: ffff8881b269a8c0 RCX: ffffffff81d8fc14 [ 48.026542] RIP: 0010:iput+0x915/0xa90 [ 48.033709] RDX: 0000000000000000 RSI: ffffffff81d90455 RDI: 0000000000000007 [ 48.033718] RBP: ffff8881d2b477f0 R08: ffff8881d96ec080 R09: ffffed103b585b77 [ 48.033727] R10: ffffed103b585b77 R11: ffff8881dac2dbbb R12: 0000000000000040 [ 48.033735] R13: ffff8881d2b47910 R14: 00000000ffffffea R15: ffff8881d0c4a200 [ 48.033748] FS: 0000000001e1a880(0000) GS:ffff8881dac00000(0000) knlGS:0000000000000000 [ 48.033756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.033765] CR2: 0000000020000140 CR3: 00000001b7099000 CR4: 00000000001406f0 [ 48.033777] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.038326] Code: e4 0f 84 a8 fe ff ff e8 e9 fe a6 ff 48 89 df e8 61 f4 ff ff 48 8b bd f0 fe ff ff e8 35 41 08 06 e9 69 fd ff ff e8 cb fe a6 ff <0f> 0b e8 c4 fe a6 ff 0f 0b e9 d5 fb ff ff e8 b8 fe a6 ff 0f 0b e9 [ 48.044908] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.044912] Call Trace: [ 48.044932] ? inode_add_lru+0x2a0/0x2a0 [ 48.044952] ? _raw_spin_unlock+0x2c/0x50 [ 48.052584] RSP: 0018:ffff8881c0ff76b8 EFLAGS: 00010293 [ 48.059465] ? inode_add_lru+0x2a0/0x2a0 [ 48.059486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.059505] ? check_preemption_disabled+0x48/0x280 [ 48.059525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.067069] RAX: ffff8881c0fdc100 RBX: ffff8881b25f44a0 RCX: ffffffff81d8fc14 [ 48.074998] ? set_nlink+0xb7/0x1c0 [ 48.075036] autofs_fill_super+0x15fb/0x1c30 [ 48.075053] ? register_shrinker_prepared+0x1a9/0x260 [ 48.075075] ? autofs_get_inode+0x3e0/0x3e0 [ 48.081277] RDX: 0000000000000000 RSI: ffffffff81d90455 RDI: 0000000000000007 [ 48.088213] ? vfs_get_super+0x270/0x270 [ 48.088228] ? __x64_sys_mount+0xbe/0x150 [ 48.088244] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.088256] ? __x64_sys_mount+0xbe/0x150 [ 48.088278] ? do_syscall_64+0x1b9/0x820 [ 48.095809] RBP: ffff8881c0ff77f0 R08: ffff8881c0fdc100 R09: 0000000000000006 [ 48.114428] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.114460] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 48.114488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.114510] ? ns_capable_common+0x13f/0x170 [ 48.122173] R10: 0000000000000000 R11: ffff8881c0fdc100 R12: 0000000000000040 [ 48.124351] ? get_anon_bdev+0xc0/0xc0 [ 48.124364] ? sget+0x113/0x150 [ 48.124384] ? autofs_get_inode+0x3e0/0x3e0 [ 48.128727] R13: ffff8881c0ff7910 R14: 00000000ffffffea R15: ffff8881d0c4d200 [ 48.132562] mount_nodev+0x73/0x120 [ 48.132575] ? mount_nodev+0x73/0x120 [ 48.132593] autofs_mount+0x34/0x40 [ 48.138321] FS: 0000000001e1a880(0000) GS:ffff8881dad00000(0000) knlGS:0000000000000000 [ 48.141986] ? ubifs_init_security+0xf0/0xf0 [ 48.142000] legacy_get_tree+0x12f/0x260 [ 48.142034] ? security_fs_context_validate+0x80/0xa0 [ 48.147910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.152579] vfs_get_tree+0x1cb/0x5c0 [ 48.152592] ? legacy_fs_context_dup+0x1d0/0x1d0 [ 48.152616] do_mount+0x82a/0x1ff0 [ 48.158440] CR2: 0000000002497000 CR3: 00000001b3373000 CR4: 00000000001406e0 [ 48.165402] ? lock_release+0xa00/0xa00 [ 48.165419] ? copy_mount_string+0x40/0x40 [ 48.165445] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 48.169406] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.173444] ? _copy_from_user+0xdf/0x150 [ 48.173462] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 48.173480] ? copy_mount_options+0x315/0x430 [ 48.178925] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.182979] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 48.182994] ksys_mount+0x12d/0x140 [ 48.183010] __x64_sys_mount+0xbe/0x150 [ 48.190658] Kernel panic - not syncing: Fatal exception [ 48.194338] do_syscall_64+0x1b9/0x820 [ 48.388642] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 48.394015] ? syscall_return_slowpath+0x5e0/0x5e0 [ 48.398948] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.403794] ? trace_hardirqs_on_caller+0x310/0x310 [ 48.408809] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 48.413826] ? prepare_exit_to_usermode+0x291/0x3b0 [ 48.418843] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.423690] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.428878] RIP: 0033:0x441be9 [ 48.432072] Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 48.450974] RSP: 002b:00007ffff6330f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 48.458681] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441be9 [ 48.465946] RDX: 0000000020000180 RSI: 0000000020000100 RDI: 0000000000000000 [ 48.473213] RBP: 00007ffff6330fe0 R08: 0000000000000000 R09: 0000000000000000 [ 48.480483] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 48.487747] R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 [ 48.495038] Modules linked in: [ 48.499394] Kernel Offset: disabled [ 48.503021] Rebooting in 86400 seconds..