[ 33.919320] audit: type=1800 audit(1583020547.944:33): pid=7218 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 [ 33.946411] audit: type=1800 audit(1583020547.944:34): pid=7218 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 37.641278] random: sshd: uninitialized urandom read (32 bytes read) [ 37.852266] audit: type=1400 audit(1583020551.884:35): avc: denied { map } for pid=7391 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 37.904065] random: sshd: uninitialized urandom read (32 bytes read) [ 38.623935] random: sshd: uninitialized urandom read (32 bytes read) [ 57.395871] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.17' (ECDSA) to the list of known hosts. [ 62.896043] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 63.016793] audit: type=1400 audit(1583020577.044:36): avc: denied { map } for pid=7403 comm="syz-executor679" path="/root/syz-executor679191238" 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 [ 63.030154] FAULT_INJECTION: forcing a failure. [ 63.030154] name failslab, interval 1, probability 0, space 0, times 1 [ 63.058854] CPU: 0 PID: 7405 Comm: syz-executor679 Not tainted 4.14.172-syzkaller #0 [ 63.066729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.076073] Call Trace: [ 63.078774] dump_stack+0x13e/0x194 [ 63.082464] should_fail.cold+0x10a/0x14b [ 63.086638] should_failslab+0xd6/0x130 [ 63.090597] kmem_cache_alloc+0x2b5/0x770 [ 63.094769] ? add_to_page_cache_lru+0x150/0x300 [ 63.099505] ? add_to_page_cache_locked+0x40/0x40 [ 63.104466] alloc_buffer_head+0x20/0xd0 [ 63.108515] alloc_page_buffers+0xb3/0x1f0 [ 63.112748] __getblk_gfp+0x335/0x7c0 [ 63.116544] ? filemap_write_and_wait+0x86/0xa0 [ 63.121252] __bread_gfp+0x29/0x290 [ 63.125001] hfs_mdb_get+0x2dc/0x1b42 [ 63.128796] ? save_trace+0x290/0x290 [ 63.132594] ? hfs_mdb_put+0x370/0x370 [ 63.136474] ? __lock_is_held+0xad/0x140 [ 63.140518] ? __lockdep_init_map+0x100/0x560 [ 63.145040] ? __lockdep_init_map+0x100/0x560 [ 63.149557] hfs_fill_super+0xde7/0x13b0 [ 63.153603] ? pointer+0x340/0xa00 [ 63.157127] ? hfs_show_options+0x570/0x570 [ 63.161430] ? vsnprintf+0x25e/0x1350 [ 63.165210] ? pointer+0xa00/0xa00 [ 63.168825] ? lock_downgrade+0x6e0/0x6e0 [ 63.173058] ? snprintf+0xa5/0xd0 [ 63.176501] ? vsprintf+0x30/0x30 [ 63.179950] ? ns_test_super+0x50/0x50 [ 63.183815] ? set_blocksize+0x24b/0x2e0 [ 63.187861] mount_bdev+0x2bc/0x370 [ 63.191466] ? hfs_show_options+0x570/0x570 [ 63.195764] mount_fs+0x92/0x2a0 [ 63.199119] vfs_kern_mount.part.0+0x5b/0x3c0 [ 63.203596] do_mount+0x3c9/0x24f0 [ 63.207128] ? copy_mount_string+0x40/0x40 [ 63.211352] ? __might_fault+0x177/0x1b0 [ 63.215405] ? _copy_from_user+0x94/0x100 [ 63.219530] ? memdup_user+0x54/0xa0 [ 63.223223] ? copy_mount_options+0x1ec/0x2e0 [ 63.227705] ? copy_mnt_ns+0x8a0/0x8a0 [ 63.231572] SyS_mount+0xa8/0x120 [ 63.235000] ? copy_mnt_ns+0x8a0/0x8a0 [ 63.238886] do_syscall_64+0x1d5/0x640 [ 63.243046] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 63.248239] RIP: 0033:0x446739 [ 63.251548] RSP: 002b:00007f6fb7b77d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.259246] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446739 executing program [ 63.266496] RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 0000000020000080 [ 63.274016] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000003531 [ 63.281278] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 63.288534] R13: 00007f6fb7b77d90 R14: 0000000000000003 R15: 20c49ba5e353f7cf [ 63.305555] print_req_error: I/O error, dev loop1, sector 2 [ 63.312144] hfs: can't find a HFS filesystem on dev loop1 [ 63.324279] FAULT_INJECTION: forcing a failure. [ 63.324279] name failslab, interval 1, probability 0, space 0, times 0 [ 63.336440] CPU: 0 PID: 7407 Comm: syz-executor679 Not tainted 4.14.172-syzkaller #0 [ 63.344322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.353659] Call Trace: [ 63.356233] dump_stack+0x13e/0x194 [ 63.359844] should_fail.cold+0x10a/0x14b [ 63.363984] should_failslab+0xd6/0x130 [ 63.367949] kmem_cache_alloc_trace+0x2db/0x7b0 [ 63.372692] ? trace_hardirqs_on+0x10/0x10 [ 63.376928] hfs_fill_super+0xd5/0x13b0 [ 63.380973] ? pointer+0x340/0xa00 [ 63.384508] ? netdev_bits+0xa0/0xa0 [ 63.388210] ? format_decode+0x1cb/0x8c0 [ 63.392258] ? hfs_show_options+0x570/0x570 [ 63.396573] ? vsnprintf+0x25e/0x1350 [ 63.400362] ? pointer+0xa00/0xa00 [ 63.403885] ? lock_downgrade+0x6e0/0x6e0 [ 63.408044] ? snprintf+0xa5/0xd0 [ 63.411480] ? vsprintf+0x30/0x30 [ 63.414932] ? ns_test_super+0x50/0x50 [ 63.418815] ? set_blocksize+0x24b/0x2e0 [ 63.422870] mount_bdev+0x2bc/0x370 [ 63.426479] ? hfs_show_options+0x570/0x570 [ 63.430797] mount_fs+0x92/0x2a0 [ 63.434147] vfs_kern_mount.part.0+0x5b/0x3c0 [ 63.438716] do_mount+0x3c9/0x24f0 [ 63.442236] ? copy_mount_string+0x40/0x40 [ 63.446468] ? __might_fault+0x177/0x1b0 [ 63.450533] ? _copy_from_user+0x94/0x100 [ 63.454663] ? memdup_user+0x54/0xa0 [ 63.458355] ? copy_mount_options+0x1ec/0x2e0 [ 63.462843] ? copy_mnt_ns+0x8a0/0x8a0 [ 63.466715] SyS_mount+0xa8/0x120 [ 63.470151] ? copy_mnt_ns+0x8a0/0x8a0 [ 63.474034] do_syscall_64+0x1d5/0x640 [ 63.477912] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 63.483268] RIP: 0033:0x446739 [ 63.486447] RSP: 002b:00007f6fb7b77d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.494157] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446739 [ 63.501607] RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 0000000020000080 [ 63.508864] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000003531 [ 63.516217] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c executing program [ 63.523479] R13: 00007f6fb7b77d90 R14: 0000000000000003 R15: 20c49ba5e353f7cf [ 63.535771] FAULT_INJECTION: forcing a failure. [ 63.535771] name failslab, interval 1, probability 0, space 0, times 0 [ 63.547041] CPU: 0 PID: 7409 Comm: syz-executor679 Not tainted 4.14.172-syzkaller #0 [ 63.554917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.564277] Call Trace: [ 63.566853] dump_stack+0x13e/0x194 [ 63.570466] should_fail.cold+0x10a/0x14b [ 63.574605] should_failslab+0xd6/0x130 [ 63.578561] kmem_cache_alloc+0x2b5/0x770 [ 63.582696] ? add_to_page_cache_lru+0x150/0x300 [ 63.587433] ? add_to_page_cache_locked+0x40/0x40 [ 63.592273] alloc_buffer_head+0x20/0xd0 [ 63.596322] alloc_page_buffers+0xb3/0x1f0 [ 63.600539] __getblk_gfp+0x335/0x7c0 [ 63.604333] ? filemap_write_and_wait+0x86/0xa0 [ 63.608985] __bread_gfp+0x29/0x290 [ 63.612597] hfs_mdb_get+0x2dc/0x1b42 [ 63.616387] ? save_trace+0x290/0x290 [ 63.621853] ? hfs_mdb_put+0x370/0x370 [ 63.625830] ? __lock_is_held+0xad/0x140 [ 63.629883] ? __lockdep_init_map+0x100/0x560 [ 63.634362] ? __lockdep_init_map+0x100/0x560 [ 63.638837] hfs_fill_super+0xde7/0x13b0 [ 63.642885] ? pointer+0x340/0xa00 [ 63.646421] ? hfs_show_options+0x570/0x570 [ 63.650729] ? vsnprintf+0x25e/0x1350 [ 63.654519] ? pointer+0xa00/0xa00 [ 63.658069] ? lock_downgrade+0x6e0/0x6e0 [ 63.662209] ? snprintf+0xa5/0xd0 [ 63.665644] ? vsprintf+0x30/0x30 [ 63.669082] ? ns_test_super+0x50/0x50 [ 63.672951] ? set_blocksize+0x24b/0x2e0 [ 63.676996] mount_bdev+0x2bc/0x370 [ 63.680604] ? hfs_show_options+0x570/0x570 [ 63.684913] mount_fs+0x92/0x2a0 [ 63.688265] vfs_kern_mount.part.0+0x5b/0x3c0 [ 63.692755] do_mount+0x3c9/0x24f0 [ 63.696281] ? copy_mount_string+0x40/0x40 [ 63.700510] ? __might_fault+0x177/0x1b0 [ 63.704576] ? _copy_from_user+0x94/0x100 [ 63.708706] ? memdup_user+0x54/0xa0 [ 63.712419] ? copy_mount_options+0x1ec/0x2e0 [ 63.716907] ? copy_mnt_ns+0x8a0/0x8a0 [ 63.720777] SyS_mount+0xa8/0x120 [ 63.724214] ? copy_mnt_ns+0x8a0/0x8a0 [ 63.728100] do_syscall_64+0x1d5/0x640 [ 63.731992] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 63.737167] RIP: 0033:0x446739 [ 63.740337] RSP: 002b:00007f6fb7b77d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.748225] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446739 [ 63.755487] RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 0000000020000080 [ 63.762754] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000003531 executing program [ 63.770013] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 63.777272] R13: 00007f6fb7b77d90 R14: 0000000000000003 R15: 20c49ba5e353f7cf [ 63.792800] print_req_error: I/O error, dev loop1, sector 2 [ 63.798624] hfs: can't find a HFS filesystem on dev loop1 [ 63.808419] FAULT_INJECTION: forcing a failure. [ 63.808419] name failslab, interval 1, probability 0, space 0, times 0 [ 63.819962] CPU: 0 PID: 7411 Comm: syz-executor679 Not tainted 4.14.172-syzkaller #0 [ 63.827919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.837276] Call Trace: [ 63.839874] dump_stack+0x13e/0x194 [ 63.843492] should_fail.cold+0x10a/0x14b [ 63.847643] should_failslab+0xd6/0x130 [ 63.851620] kmem_cache_alloc+0x2b5/0x770 [ 63.855753] ? add_to_page_cache_lru+0x150/0x300 [ 63.860491] ? add_to_page_cache_locked+0x40/0x40 [ 63.865329] alloc_buffer_head+0x20/0xd0 [ 63.869383] alloc_page_buffers+0xb3/0x1f0 [ 63.873609] __getblk_gfp+0x335/0x7c0 [ 63.877400] ? filemap_write_and_wait+0x86/0xa0 [ 63.882058] __bread_gfp+0x29/0x290 [ 63.885672] hfs_mdb_get+0x2dc/0x1b42 [ 63.889461] ? save_trace+0x290/0x290 [ 63.893310] ? hfs_mdb_put+0x370/0x370 [ 63.897258] ? __lock_is_held+0xad/0x140 [ 63.901339] ? __lockdep_init_map+0x100/0x560 [ 63.905848] ? __lockdep_init_map+0x100/0x560 [ 63.910458] hfs_fill_super+0xde7/0x13b0 [ 63.914517] ? pointer+0x340/0xa00 [ 63.918046] ? hfs_show_options+0x570/0x570 [ 63.922368] ? vsnprintf+0x25e/0x1350 [ 63.926152] ? pointer+0xa00/0xa00 [ 63.929680] ? lock_downgrade+0x6e0/0x6e0 [ 63.933813] ? snprintf+0xa5/0xd0 [ 63.937251] ? vsprintf+0x30/0x30 [ 63.940688] ? ns_test_super+0x50/0x50 [ 63.944581] ? set_blocksize+0x24b/0x2e0 [ 63.948634] mount_bdev+0x2bc/0x370 [ 63.952256] ? hfs_show_options+0x570/0x570 [ 63.956564] mount_fs+0x92/0x2a0 [ 63.959930] vfs_kern_mount.part.0+0x5b/0x3c0 [ 63.964414] do_mount+0x3c9/0x24f0 [ 63.967946] ? copy_mount_string+0x40/0x40 [ 63.972178] ? __might_fault+0x177/0x1b0 [ 63.976227] ? _copy_from_user+0x94/0x100 [ 63.980460] ? memdup_user+0x54/0xa0 [ 63.984278] ? copy_mount_options+0x1ec/0x2e0 [ 63.988759] ? copy_mnt_ns+0x8a0/0x8a0 [ 63.992634] SyS_mount+0xa8/0x120 [ 63.996072] ? copy_mnt_ns+0x8a0/0x8a0 [ 63.999944] do_syscall_64+0x1d5/0x640 [ 64.003821] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 64.008992] RIP: 0033:0x446739 [ 64.012286] RSP: 002b:00007f6fb7b77d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.020113] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446739 executing program [ 64.027406] RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 0000000020000080 [ 64.034668] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000003531 [ 64.041921] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 64.049196] R13: 00007f6fb7b77d90 R14: 0000000000000003 R15: 20c49ba5e353f7cf [ 64.063203] print_req_error: I/O error, dev loop1, sector 2 [ 64.068976] hfs: can't find a HFS filesystem on dev loop1 [ 64.078365] FAULT_INJECTION: forcing a failure. [ 64.078365] name failslab, interval 1, probability 0, space 0, times 0 [ 64.089640] CPU: 1 PID: 7413 Comm: syz-executor679 Not tainted 4.14.172-syzkaller #0 [ 64.097520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.106916] Call Trace: [ 64.109505] dump_stack+0x13e/0x194 [ 64.113123] should_fail.cold+0x10a/0x14b [ 64.117267] should_failslab+0xd6/0x130 [ 64.121227] kmem_cache_alloc_trace+0x2db/0x7b0 [ 64.125881] ? trace_hardirqs_on+0x10/0x10 [ 64.130124] hfs_fill_super+0xd5/0x13b0 [ 64.134084] ? pointer+0x340/0xa00 [ 64.137614] ? netdev_bits+0xa0/0xa0 [ 64.141311] ? format_decode+0x1cb/0x8c0 [ 64.145368] ? hfs_show_options+0x570/0x570 [ 64.149694] ? vsnprintf+0x25e/0x1350 [ 64.153512] ? pointer+0xa00/0xa00 [ 64.157100] ? lock_downgrade+0x6e0/0x6e0 [ 64.161243] ? snprintf+0xa5/0xd0 [ 64.164686] ? vsprintf+0x30/0x30 [ 64.168127] ? ns_test_super+0x50/0x50 [ 64.172002] ? set_blocksize+0x24b/0x2e0 [ 64.176126] mount_bdev+0x2bc/0x370 [ 64.179754] ? hfs_show_options+0x570/0x570 [ 64.184140] mount_fs+0x92/0x2a0 [ 64.187500] vfs_kern_mount.part.0+0x5b/0x3c0 [ 64.192077] do_mount+0x3c9/0x24f0 [ 64.195606] ? copy_mount_string+0x40/0x40 [ 64.199829] ? __might_fault+0x177/0x1b0 [ 64.203917] ? _copy_from_user+0x94/0x100 [ 64.208049] ? memdup_user+0x54/0xa0 [ 64.211744] ? copy_mount_options+0x1ec/0x2e0 [ 64.216226] ? copy_mnt_ns+0x8a0/0x8a0 [ 64.220109] SyS_mount+0xa8/0x120 [ 64.223609] ? copy_mnt_ns+0x8a0/0x8a0 [ 64.227491] do_syscall_64+0x1d5/0x640 [ 64.231370] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 64.236546] RIP: 0033:0x446739 [ 64.239728] RSP: 002b:00007f6fb7b77d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.247426] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446739 [ 64.254696] RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 0000000020000080 [ 64.262128] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000003531 [ 64.269422] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c executing program [ 64.276792] R13: 00007f6fb7b77d90 R14: 0000000000000003 R15: 20c49ba5e353f7cf [ 64.289046] FAULT_INJECTION: forcing a failure. [ 64.289046] name failslab, interval 1, probability 0, space 0, times 0 [ 64.300563] CPU: 0 PID: 7415 Comm: syz-executor679 Not tainted 4.14.172-syzkaller #0 [ 64.308450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.317800] Call Trace: [ 64.320431] dump_stack+0x13e/0x194 [ 64.324107] should_fail.cold+0x10a/0x14b [ 64.328267] should_failslab+0xd6/0x130 [ 64.332229] kmem_cache_alloc+0x2b5/0x770 [ 64.336364] ? add_to_page_cache_lru+0x150/0x300 [ 64.341103] ? add_to_page_cache_locked+0x40/0x40 [ 64.345939] alloc_buffer_head+0x20/0xd0 [ 64.350015] alloc_page_buffers+0xb3/0x1f0 [ 64.354685] __getblk_gfp+0x335/0x7c0 [ 64.358481] ? filemap_write_and_wait+0x86/0xa0 [ 64.363155] __bread_gfp+0x29/0x290 [ 64.366781] hfs_mdb_get+0x2dc/0x1b42 [ 64.370577] ? save_trace+0x290/0x290 [ 64.374364] ? hfs_mdb_put+0x370/0x370 [ 64.378239] ? __lock_is_held+0xad/0x140 [ 64.382298] ? __lockdep_init_map+0x100/0x560 [ 64.386776] ? __lockdep_init_map+0x100/0x560 [ 64.391269] hfs_fill_super+0xde7/0x13b0 [ 64.395333] ? pointer+0x340/0xa00 [ 64.398906] ? hfs_show_options+0x570/0x570 [ 64.403225] ? vsnprintf+0x25e/0x1350 [ 64.407013] ? pointer+0xa00/0xa00 [ 64.410657] ? lock_downgrade+0x6e0/0x6e0 [ 64.414805] ? snprintf+0xa5/0xd0 [ 64.418240] ? vsprintf+0x30/0x30 [ 64.421707] ? ns_test_super+0x50/0x50 [ 64.425589] ? set_blocksize+0x24b/0x2e0 [ 64.429689] mount_bdev+0x2bc/0x370 [ 64.433320] ? hfs_show_options+0x570/0x570 [ 64.437636] mount_fs+0x92/0x2a0 [ 64.440995] vfs_kern_mount.part.0+0x5b/0x3c0 [ 64.445487] do_mount+0x3c9/0x24f0 [ 64.449017] ? copy_mount_string+0x40/0x40 [ 64.453254] ? __might_fault+0x177/0x1b0 [ 64.457307] ? _copy_from_user+0x94/0x100 [ 64.461457] ? memdup_user+0x54/0xa0 [ 64.465163] ? copy_mount_options+0x1ec/0x2e0 [ 64.469650] ? copy_mnt_ns+0x8a0/0x8a0 [ 64.473524] SyS_mount+0xa8/0x120 [ 64.476966] ? copy_mnt_ns+0x8a0/0x8a0 [ 64.480837] do_syscall_64+0x1d5/0x640 [ 64.484713] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 64.489885] RIP: 0033:0x446739 [ 64.493072] RSP: 002b:00007f6fb7b77d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.500761] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446739 [ 64.508027] RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 0000000020000080 [ 64.515278] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000003531 [ 64.522532] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c executing program [ 64.529905] R13: 00007f6fb7b77d90 R14: 0000000000000003 R15: 20c49ba5e353f7cf [ 64.540260] print_req_error: I/O error, dev loop1, sector 2 [ 64.546644] hfs: can't find a HFS filesystem on dev loop1 [ 64.562582] FAULT_INJECTION: forcing a failure. [ 64.562582] name failslab, interval 1, probability 0, space 0, times 0 [ 64.575169] CPU: 0 PID: 7417 Comm: syz-executor679 Not tainted 4.14.172-syzkaller #0 [ 64.583064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.592421] Call Trace: [ 64.595006] dump_stack+0x13e/0x194 [ 64.598644] should_fail.cold+0x10a/0x14b [ 64.602786] should_failslab+0xd6/0x130 [ 64.606749] kmem_cache_alloc+0x2b5/0x770 [ 64.610893] ? recalc_bh_state+0x1f/0x170 [ 64.615026] ? check_preemption_disabled+0x35/0x240 [ 64.620039] alloc_buffer_head+0x20/0xd0 [ 64.624092] alloc_page_buffers+0xb3/0x1f0 [ 64.628310] __getblk_gfp+0x335/0x7c0 [ 64.632098] ? filemap_write_and_wait+0x86/0xa0 [ 64.636757] __bread_gfp+0x29/0x290 [ 64.640395] hfs_mdb_get+0x2dc/0x1b42 [ 64.644180] ? save_trace+0x290/0x290 [ 64.648034] ? hfs_mdb_put+0x370/0x370 [ 64.651922] ? __lock_is_held+0xad/0x140 [ 64.655994] ? __lockdep_init_map+0x100/0x560 [ 64.660500] ? __lockdep_init_map+0x100/0x560 [ 64.665048] hfs_fill_super+0xde7/0x13b0 [ 64.669108] ? pointer+0x340/0xa00 [ 64.672647] ? hfs_show_options+0x570/0x570 [ 64.676962] ? vsnprintf+0x25e/0x1350 [ 64.680753] ? pointer+0xa00/0xa00 [ 64.684378] ? lock_downgrade+0x6e0/0x6e0 [ 64.688706] ? snprintf+0xa5/0xd0 [ 64.692159] ? vsprintf+0x30/0x30 [ 64.695609] ? ns_test_super+0x50/0x50 [ 64.699636] ? set_blocksize+0x24b/0x2e0 [ 64.703704] mount_bdev+0x2bc/0x370 [ 64.707329] ? hfs_show_options+0x570/0x570 [ 64.711644] mount_fs+0x92/0x2a0 [ 64.715046] vfs_kern_mount.part.0+0x5b/0x3c0 [ 64.719539] do_mount+0x3c9/0x24f0 [ 64.723080] ? copy_mount_string+0x40/0x40 [ 64.727299] ? __might_fault+0x177/0x1b0 [ 64.731422] ? _copy_from_user+0x94/0x100 [ 64.735559] ? memdup_user+0x54/0xa0 [ 64.739264] ? copy_mount_options+0x1ec/0x2e0 [ 64.743842] ? copy_mnt_ns+0x8a0/0x8a0 [ 64.747735] SyS_mount+0xa8/0x120 [ 64.751176] ? copy_mnt_ns+0x8a0/0x8a0 [ 64.755068] do_syscall_64+0x1d5/0x640 [ 64.758951] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 64.764130] RIP: 0033:0x446739 [ 64.767315] RSP: 002b:00007f6fb7b77d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 64.775040] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446739 [ 64.782300] RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 0000000020000080 [ 64.789562] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000003531 [ 64.796883] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 64.804148] R13: 00007f6fb7b77d90 R14: 0000000000000003 R15: 20c49ba5e353f7cf [ 64.816791] print_req_error: I/O error, dev loop1, sector 2 [ 64.822684] hfs: can't find a HFS filesystem on dev loop1 [ 64.832530] FAULT_INJECTION: forcing a failure. [ 64.832530] name failslab, interval 1, probability 0, space 0, times 0 [ 64.843778] CPU: 0 PID: 7419 Comm: syz-executor679 Not tainted 4.14.172-syzkaller #0 [ 64.851733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.861103] Call Trace: [ 64.863679] dump_stack+0x13e/0x194 [ 64.867352] should_fail.cold+0x10a/0x14b [ 64.871649] should_failslab+0xd6/0x130 [ 64.875643] kmem_cache_alloc+0x2b5/0x770 [ 64.879979] ? add_to_page_cache_lru+0x150/0x300 [ 64.884733] ? add_to_page_cache_locked+0x40/0x40 [ 64.889580] alloc_buffer_head+0x20/0xd0 [ 64.893634] alloc_page_buffers+0xb3/0x1f0 [ 64.897970] __getblk_gfp+0x335/0x7c0 [ 64.901775] ? filemap_write_and_wait+0x86/0xa0 [ 64.906561] __bread_gfp+0x29/0x290 [ 64.910196] hfs_mdb_get+0x2dc/0x1b42 [ 64.913994] ? save_trace+0x290/0x290 [ 64.917795] ? hfs_mdb_put+0x370/0x370 [ 64.921680] ? __lock_is_held+0xad/0x140 [ 64.925737] ? __lockdep_init_map+0x100/0x560 [ 64.930283] ? __lockdep_init_map+0x100/0x560 [ 64.934802] hfs_fill_super+0xde7/0x13b0 [ 64.938849] ? pointer+0x340/0xa00 [ 64.942376] ? hfs_show_options+0x570/0x570 [ 64.946681] ? vsnprintf+0x25e/0x1350 [ 64.950479] ? pointer+0xa00/0xa00 [ 64.954000] ? lock_downgrade+0x6e0/0x6e0 [ 64.958234] ? snprintf+0xa5/0xd0 [ 64.961667] ? vsprintf+0x30/0x30 [ 64.965118] ? ns_test_super+0x50/0x50 [ 64.969002] ? set_blocksize+0x24b/0x2e0 [ 64.973071] mount_bdev+0x2bc/0x370 [ 64.976693] ? hfs_show_options+0x570/0x570 [ 64.981112] mount_fs+0x92/0x2a0 [ 64.984489] vfs_kern_mount.part.0+0x5b/0x3c0 [ 64.988975] do_mount+0x3c9/0x24f0 [ 64.992508] ? copy_mount_string+0x40/0x40 [ 64.996724] ? __might_fault+0x177/0x1b0 [ 65.000771] ? _copy_from_user+0x94/0x100 [ 65.004954] ? memdup_user+0x54/0xa0 [ 65.008649] ? copy_mount_options+0x1ec/0x2e0 [ 65.013570] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.017487] SyS_mount+0xa8/0x120 [ 65.020931] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.024810] do_syscall_64+0x1d5/0x640 [ 65.028689] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 65.033860] RIP: 0033:0x446739 [ 65.037028] RSP: 002b:00007f6fb7b77d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.044714] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446739 [ 65.051967] RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 0000000020000080 [ 65.059235] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000003531 [ 65.066490] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 65.073744] R13: 00007f6fb7b77d90 R14: 0000000000000003 R15: 20c49ba5e353f7cf executing program [ 65.084030] print_req_error: I/O error, dev loop1, sector 2 [ 65.089808] hfs: can't find a HFS filesystem on dev loop1 [ 65.099512] FAULT_INJECTION: forcing a failure. [ 65.099512] name failslab, interval 1, probability 0, space 0, times 0 [ 65.110846] CPU: 0 PID: 7421 Comm: syz-executor679 Not tainted 4.14.172-syzkaller #0 [ 65.118727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.128087] Call Trace: [ 65.130665] dump_stack+0x13e/0x194 [ 65.134281] should_fail.cold+0x10a/0x14b [ 65.138415] should_failslab+0xd6/0x130 [ 65.142368] kmem_cache_alloc_trace+0x2db/0x7b0 [ 65.147022] ? trace_hardirqs_on+0x10/0x10 [ 65.151247] hfs_fill_super+0xd5/0x13b0 [ 65.155210] ? pointer+0x340/0xa00 [ 65.158734] ? netdev_bits+0xa0/0xa0 [ 65.162433] ? format_decode+0x1cb/0x8c0 [ 65.166477] ? hfs_show_options+0x570/0x570 [ 65.170783] ? vsnprintf+0x25e/0x1350 [ 65.174565] ? pointer+0xa00/0xa00 [ 65.178107] ? lock_downgrade+0x6e0/0x6e0 [ 65.182237] ? snprintf+0xa5/0xd0 [ 65.185673] ? vsprintf+0x30/0x30 [ 65.189114] ? ns_test_super+0x50/0x50 [ 65.192980] ? set_blocksize+0x24b/0x2e0 [ 65.197027] mount_bdev+0x2bc/0x370 [ 65.200653] ? hfs_show_options+0x570/0x570 [ 65.204967] mount_fs+0x92/0x2a0 [ 65.208345] vfs_kern_mount.part.0+0x5b/0x3c0 [ 65.212847] do_mount+0x3c9/0x24f0 [ 65.216378] ? copy_mount_string+0x40/0x40 [ 65.220599] ? __might_fault+0x177/0x1b0 [ 65.224650] ? _copy_from_user+0x94/0x100 [ 65.228893] ? memdup_user+0x54/0xa0 [ 65.232598] ? copy_mount_options+0x1ec/0x2e0 [ 65.237145] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.241028] SyS_mount+0xa8/0x120 [ 65.244468] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.248413] do_syscall_64+0x1d5/0x640 [ 65.252314] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 65.257499] RIP: 0033:0x446739 [ 65.260733] RSP: 002b:00007f6fb7b77d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.268422] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446739 [ 65.275815] RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 0000000020000080 executing program [ 65.283082] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000003531 [ 65.290342] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 65.297744] R13: 00007f6fb7b77d90 R14: 0000000000000003 R15: 20c49ba5e353f7cf [ 65.309466] FAULT_INJECTION: forcing a failure. [ 65.309466] name failslab, interval 1, probability 0, space 0, times 0 [ 65.320788] CPU: 0 PID: 7423 Comm: syz-executor679 Not tainted 4.14.172-syzkaller #0 [ 65.328785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.338133] Call Trace: [ 65.340712] dump_stack+0x13e/0x194 [ 65.344359] should_fail.cold+0x10a/0x14b [ 65.348493] should_failslab+0xd6/0x130 [ 65.352453] kmem_cache_alloc_trace+0x2db/0x7b0 [ 65.357111] ? trace_hardirqs_on+0x10/0x10 [ 65.361331] hfs_fill_super+0xd5/0x13b0 [ 65.365298] ? pointer+0x340/0xa00 [ 65.368823] ? netdev_bits+0xa0/0xa0 [ 65.372521] ? format_decode+0x1cb/0x8c0 [ 65.376584] ? hfs_show_options+0x570/0x570 [ 65.380893] ? vsnprintf+0x25e/0x1350 [ 65.384681] ? pointer+0xa00/0xa00 [ 65.388212] ? lock_downgrade+0x6e0/0x6e0 [ 65.392357] ? snprintf+0xa5/0xd0 [ 65.395855] ? vsprintf+0x30/0x30 [ 65.399302] ? ns_test_super+0x50/0x50 [ 65.403280] ? set_blocksize+0x24b/0x2e0 [ 65.407336] mount_bdev+0x2bc/0x370 [ 65.410957] ? hfs_show_options+0x570/0x570 [ 65.415294] mount_fs+0x92/0x2a0 [ 65.418648] vfs_kern_mount.part.0+0x5b/0x3c0 [ 65.423133] do_mount+0x3c9/0x24f0 [ 65.426664] ? copy_mount_string+0x40/0x40 [ 65.430888] ? __might_fault+0x177/0x1b0 [ 65.434938] ? _copy_from_user+0x94/0x100 [ 65.439103] ? memdup_user+0x54/0xa0 [ 65.442813] ? copy_mount_options+0x1ec/0x2e0 [ 65.447303] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.451210] SyS_mount+0xa8/0x120 [ 65.454664] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.458537] do_syscall_64+0x1d5/0x640 [ 65.462430] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 65.467614] RIP: 0033:0x446739 [ 65.470790] RSP: 002b:00007f6fb7b77d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.478503] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446739 executing program [ 65.485759] RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 0000000020000080 [ 65.493015] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000003531 [ 65.500270] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 65.507539] R13: 00007f6fb7b77d90 R14: 0000000000000003 R15: 20c49ba5e353f7cf [ 65.519313] FAULT_INJECTION: forcing a failure. [ 65.519313] name failslab, interval 1, probability 0, space 0, times 0 [ 65.530792] CPU: 0 PID: 7425 Comm: syz-executor679 Not tainted 4.14.172-syzkaller #0 [ 65.538666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.548009] Call Trace: [ 65.550685] dump_stack+0x13e/0x194 [ 65.554329] should_fail.cold+0x10a/0x14b [ 65.558493] should_failslab+0xd6/0x130 [ 65.562454] kmem_cache_alloc_trace+0x2db/0x7b0 [ 65.567141] ? trace_hardirqs_on+0x10/0x10 [ 65.571364] hfs_fill_super+0xd5/0x13b0 [ 65.575325] ? pointer+0x340/0xa00 [ 65.578858] ? netdev_bits+0xa0/0xa0 [ 65.582574] ? format_decode+0x1cb/0x8c0 [ 65.586632] ? hfs_show_options+0x570/0x570 [ 65.590953] ? vsnprintf+0x25e/0x1350 [ 65.594749] ? pointer+0xa00/0xa00 [ 65.598284] ? lock_downgrade+0x6e0/0x6e0 [ 65.602457] ? snprintf+0xa5/0xd0 [ 65.605911] ? vsprintf+0x30/0x30 [ 65.609399] ? ns_test_super+0x50/0x50 [ 65.613451] ? set_blocksize+0x24b/0x2e0 [ 65.617553] mount_bdev+0x2bc/0x370 [ 65.621186] ? hfs_show_options+0x570/0x570 [ 65.626151] mount_fs+0x92/0x2a0 [ 65.629602] vfs_kern_mount.part.0+0x5b/0x3c0 [ 65.634112] do_mount+0x3c9/0x24f0 [ 65.637651] ? copy_mount_string+0x40/0x40 [ 65.641871] ? __might_fault+0x177/0x1b0 [ 65.646526] ? _copy_from_user+0x94/0x100 [ 65.651266] ? memdup_user+0x54/0xa0 [ 65.654967] ? copy_mount_options+0x1ec/0x2e0 [ 65.659458] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.663338] SyS_mount+0xa8/0x120 [ 65.666830] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.670715] do_syscall_64+0x1d5/0x640 [ 65.674603] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 65.679781] RIP: 0033:0x446739 executing program [ 65.683736] RSP: 002b:00007f6fb7b77d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.691441] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446739 [ 65.698694] RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 0000000020000080 [ 65.705958] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000003531 [ 65.713212] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 65.720523] R13: 00007f6fb7b77d90 R14: 0000000000000003 R15: 20c49ba5e353f7cf [ 65.733401] FAULT_INJECTION: forcing a failure. [ 65.733401] name failslab, interval 1, probability 0, space 0, times 0 [ 65.744667] CPU: 1 PID: 7427 Comm: syz-executor679 Not tainted 4.14.172-syzkaller #0 [ 65.752559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.761921] Call Trace: [ 65.764501] dump_stack+0x13e/0x194 [ 65.768127] should_fail.cold+0x10a/0x14b [ 65.772267] should_failslab+0xd6/0x130 [ 65.776221] kmem_cache_alloc+0x2b5/0x770 [ 65.780371] ? add_to_page_cache_lru+0x150/0x300 [ 65.785113] ? add_to_page_cache_locked+0x40/0x40 [ 65.789942] alloc_buffer_head+0x20/0xd0 [ 65.794006] alloc_page_buffers+0xb3/0x1f0 [ 65.798229] __getblk_gfp+0x335/0x7c0 [ 65.802626] ? filemap_write_and_wait+0x86/0xa0 [ 65.807307] __bread_gfp+0x29/0x290 [ 65.810943] hfs_mdb_get+0x2dc/0x1b42 [ 65.814731] ? save_trace+0x290/0x290 [ 65.818515] ? hfs_mdb_put+0x370/0x370 [ 65.822382] ? __lock_is_held+0xad/0x140 [ 65.826427] ? __lockdep_init_map+0x100/0x560 [ 65.830904] ? __lockdep_init_map+0x100/0x560 [ 65.836341] hfs_fill_super+0xde7/0x13b0 [ 65.840404] ? pointer+0x340/0xa00 [ 65.843934] ? hfs_show_options+0x570/0x570 [ 65.848681] ? vsnprintf+0x25e/0x1350 [ 65.852465] ? pointer+0xa00/0xa00 [ 65.855988] ? lock_downgrade+0x6e0/0x6e0 [ 65.860126] ? snprintf+0xa5/0xd0 [ 65.864535] ? vsprintf+0x30/0x30 [ 65.867981] ? ns_test_super+0x50/0x50 [ 65.871849] ? set_blocksize+0x24b/0x2e0 [ 65.875999] mount_bdev+0x2bc/0x370 [ 65.879613] ? hfs_show_options+0x570/0x570 [ 65.883917] mount_fs+0x92/0x2a0 [ 65.887268] vfs_kern_mount.part.0+0x5b/0x3c0 [ 65.891750] do_mount+0x3c9/0x24f0 [ 65.895290] ? copy_mount_string+0x40/0x40 [ 65.899612] ? __might_fault+0x177/0x1b0 [ 65.903756] ? _copy_from_user+0x94/0x100 [ 65.907894] ? memdup_user+0x54/0xa0 [ 65.911591] ? copy_mount_options+0x1ec/0x2e0 [ 65.916066] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.919933] SyS_mount+0xa8/0x120 [ 65.923366] ? copy_mnt_ns+0x8a0/0x8a0 [ 65.927268] do_syscall_64+0x1d5/0x640 [ 65.931156] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 65.936326] RIP: 0033:0x446739 [ 65.939500] RSP: 002b:00007f6fb7b77d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.947207] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446739 [ 65.954599] RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 0000000020000080 [ 65.961855] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000003531 [ 65.969109] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 65.976375] R13: 00007f6fb7b77d90 R14: 0000000000000003 R15: 20c49ba5e353f7cf executing program [ 65.986638] print_req_error: I/O error, dev loop1, sector 2 [ 65.992585] hfs: can't find a HFS filesystem on dev loop1 [ 66.002099] FAULT_INJECTION: forcing a failure. [ 66.002099] name failslab, interval 1, probability 0, space 0, times 0 [ 66.013427] CPU: 0 PID: 7429 Comm: syz-executor679 Not tainted 4.14.172-syzkaller #0 [ 66.021338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.030695] Call Trace: [ 66.033285] dump_stack+0x13e/0x194 [ 66.036899] should_fail.cold+0x10a/0x14b [ 66.041036] should_failslab+0xd6/0x130 [ 66.045002] kmem_cache_alloc_trace+0x2db/0x7b0 [ 66.049669] ? trace_hardirqs_on+0x10/0x10 [ 66.053897] hfs_fill_super+0xd5/0x13b0 [ 66.057868] ? pointer+0x340/0xa00 [ 66.061397] ? netdev_bits+0xa0/0xa0 [ 66.065094] ? format_decode+0x1cb/0x8c0 [ 66.069141] ? hfs_show_options+0x570/0x570 [ 66.073477] ? vsnprintf+0x25e/0x1350 [ 66.077265] ? pointer+0xa00/0xa00 [ 66.080790] ? lock_downgrade+0x6e0/0x6e0 [ 66.085053] ? snprintf+0xa5/0xd0 [ 66.088492] ? vsprintf+0x30/0x30 [ 66.091934] ? ns_test_super+0x50/0x50 [ 66.095922] ? set_blocksize+0x24b/0x2e0 [ 66.099974] mount_bdev+0x2bc/0x370 [ 66.103589] ? hfs_show_options+0x570/0x570 [ 66.107903] mount_fs+0x92/0x2a0 [ 66.112288] vfs_kern_mount.part.0+0x5b/0x3c0 [ 66.116779] do_mount+0x3c9/0x24f0 [ 66.120307] ? copy_mount_string+0x40/0x40 [ 66.124528] ? __might_fault+0x177/0x1b0 [ 66.128617] ? _copy_from_user+0x94/0x100 [ 66.132792] ? memdup_user+0x54/0xa0 [ 66.136489] ? copy_mount_options+0x1ec/0x2e0 [ 66.140967] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.144837] SyS_mount+0xa8/0x120 [ 66.148273] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.152146] do_syscall_64+0x1d5/0x640 [ 66.156116] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 66.161298] RIP: 0033:0x446739 [ 66.164467] RSP: 002b:00007f6fb7b77d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 66.172157] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446739 [ 66.179408] RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 0000000020000080 executing program [ 66.186680] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000003531 [ 66.193952] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 66.201204] R13: 00007f6fb7b77d90 R14: 0000000000000003 R15: 20c49ba5e353f7cf [ 66.213692] FAULT_INJECTION: forcing a failure. [ 66.213692] name failslab, interval 1, probability 0, space 0, times 0 [ 66.225133] CPU: 0 PID: 7431 Comm: syz-executor679 Not tainted 4.14.172-syzkaller #0 [ 66.233001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.242356] Call Trace: [ 66.244950] dump_stack+0x13e/0x194 [ 66.248572] should_fail.cold+0x10a/0x14b [ 66.252721] should_failslab+0xd6/0x130 [ 66.256865] __kmalloc+0x2e9/0x7c0 [ 66.260403] ? register_shrinker+0xb8/0x210 [ 66.264706] ? lock_acquire+0x170/0x3f0 [ 66.268673] ? lock_downgrade+0x6e0/0x6e0 [ 66.272815] register_shrinker+0xb8/0x210 [ 66.276948] sget_userns+0x9c5/0xc30 [ 66.280638] ? set_bdev_super+0x110/0x110 [ 66.284767] ? ns_test_super+0x50/0x50 [ 66.288647] ? set_bdev_super+0x110/0x110 [ 66.292774] ? ns_test_super+0x50/0x50 [ 66.296651] sget+0xd1/0x110 [ 66.299684] mount_bdev+0xcd/0x370 [ 66.303222] ? hfs_show_options+0x570/0x570 [ 66.307540] mount_fs+0x92/0x2a0 [ 66.310937] vfs_kern_mount.part.0+0x5b/0x3c0 [ 66.315474] do_mount+0x3c9/0x24f0 [ 66.319041] ? copy_mount_string+0x40/0x40 [ 66.323304] ? __might_fault+0x177/0x1b0 [ 66.327359] ? _copy_from_user+0x94/0x100 [ 66.331502] ? memdup_user+0x54/0xa0 [ 66.335195] ? copy_mount_options+0x1ec/0x2e0 [ 66.339683] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.343553] SyS_mount+0xa8/0x120 [ 66.346984] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.350853] do_syscall_64+0x1d5/0x640 [ 66.354725] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 66.359901] RIP: 0033:0x446739 [ 66.363081] RSP: 002b:00007f6fb7b77d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 66.370769] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446739 [ 66.378053] RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 0000000020000080 [ 66.385318] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000003531 [ 66.392576] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 66.399829] R13: 00007f6fb7b77d90 R14: 0000000000000003 R15: 20c49ba5e353f7cf [ 66.407311] ------------[ cut here ]------------ [ 66.412204] WARNING: CPU: 0 PID: 7431 at fs/super.c:1163 kill_block_super+0xbe/0xe0 [ 66.420252] Kernel panic - not syncing: panic_on_warn set ... [ 66.420252] [ 66.427606] CPU: 0 PID: 7431 Comm: syz-executor679 Not tainted 4.14.172-syzkaller #0 [ 66.435476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.444809] Call Trace: [ 66.447393] dump_stack+0x13e/0x194 [ 66.451017] panic+0x1f9/0x42d [ 66.454215] ? add_taint.cold+0x16/0x16 [ 66.458184] ? kill_block_super+0xbe/0xe0 [ 66.462319] ? kill_block_super+0xbe/0xe0 [ 66.466462] __warn.cold+0x2f/0x30 [ 66.470024] ? ist_end_non_atomic+0x10/0x10 [ 66.474342] ? kill_block_super+0xbe/0xe0 [ 66.478485] report_bug+0x20a/0x248 [ 66.482127] do_error_trap+0x195/0x2d0 [ 66.486042] ? math_error+0x2d0/0x2d0 [ 66.489829] ? save_trace+0x290/0x290 [ 66.493614] ? save_trace+0x290/0x290 [ 66.497394] ? arch_local_irq_restore+0x4a/0x51 [ 66.502057] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 66.506897] invalid_op+0x1b/0x40 [ 66.510348] RIP: 0010:kill_block_super+0xbe/0xe0 [ 66.515082] RSP: 0018:ffff88808215fc08 EFLAGS: 00010297 [ 66.520443] RAX: ffff888099bb2280 RBX: 0000000000000000 RCX: 1ffff1101337655e [ 66.527731] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880a6a52ae0 [ 66.535094] RBP: ffff8880808c8900 R08: 0000000000000001 R09: 0000000000000001 [ 66.542351] R10: ffff888099bb2b50 R11: ffff888099bb2280 R12: ffff8880a6a52740 [ 66.549613] R13: ffff8880808c8a40 R14: ffffffff87d535c0 R15: dffffc0000000000 [ 66.556887] ? kill_block_super+0xbe/0xe0 [ 66.561020] deactivate_locked_super+0x6c/0xd0 [ 66.565583] sget_userns+0x9df/0xc30 [ 66.569328] ? set_bdev_super+0x110/0x110 [ 66.573465] ? ns_test_super+0x50/0x50 [ 66.577339] ? set_bdev_super+0x110/0x110 [ 66.581473] ? ns_test_super+0x50/0x50 [ 66.585354] sget+0xd1/0x110 [ 66.588715] mount_bdev+0xcd/0x370 [ 66.592237] ? hfs_show_options+0x570/0x570 [ 66.596541] mount_fs+0x92/0x2a0 [ 66.599891] vfs_kern_mount.part.0+0x5b/0x3c0 [ 66.604633] do_mount+0x3c9/0x24f0 [ 66.608158] ? copy_mount_string+0x40/0x40 [ 66.612409] ? __might_fault+0x177/0x1b0 [ 66.616464] ? _copy_from_user+0x94/0x100 [ 66.620607] ? memdup_user+0x54/0xa0 [ 66.624302] ? copy_mount_options+0x1ec/0x2e0 [ 66.629299] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.633183] SyS_mount+0xa8/0x120 [ 66.636626] ? copy_mnt_ns+0x8a0/0x8a0 [ 66.640493] do_syscall_64+0x1d5/0x640 [ 66.644377] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 66.649995] RIP: 0033:0x446739 [ 66.653172] RSP: 002b:00007f6fb7b77d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 66.660857] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446739 [ 66.668117] RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 0000000020000080 [ 66.675367] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000003531 [ 66.682626] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 66.689877] R13: 00007f6fb7b77d90 R14: 0000000000000003 R15: 20c49ba5e353f7cf [ 66.698622] Kernel Offset: disabled [ 66.702332] Rebooting in 86400 seconds..