[ 31.890880] audit: type=1800 audit(1580100112.549:33): pid=7104 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
[ 31.921214] audit: type=1800 audit(1580100112.549:34): pid=7104 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: [ 36.516311] random: sshd: uninitialized urandom read (32 bytes read)
[ 36.789725] audit: type=1400 audit(1580100117.439:35): avc: denied { map } for pid=7279 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
[ 36.838495] random: sshd: uninitialized urandom read (32 bytes read)
[ 37.497061] random: sshd: uninitialized urandom read (32 bytes read)
[ 37.674997] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.0.240' (ECDSA) to the list of known hosts.
[ 43.206815] random: sshd: uninitialized urandom read (32 bytes read)
executing program
[ 43.323970] audit: type=1400 audit(1580100123.979:36): avc: denied { map } for pid=7291 comm="syz-executor593" path="/root/syz-executor593043271" 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
[ 43.351087] FAULT_INJECTION: forcing a failure.
[ 43.351087] name fail_page_alloc, interval 1, probability 0, space 0, times 1
[ 43.363596] CPU: 0 PID: 7292 Comm: syz-executor593 Not tainted 4.14.167-syzkaller #0
[ 43.371470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 43.380851] Call Trace:
[ 43.383432] dump_stack+0x142/0x197
[ 43.387069] should_fail.cold+0x10f/0x159
[ 43.391203] ? __might_sleep+0x93/0xb0
[ 43.395081] __alloc_pages_nodemask+0x1d6/0x7a0
[ 43.399781] ? __change_page_attr_set_clr+0x358/0x2500
[ 43.405055] ? __alloc_pages_slowpath+0x2930/0x2930
[ 43.410076] ? lock_downgrade+0x740/0x740
[ 43.414216] alloc_pages_current+0xec/0x1e0
[ 43.418531] __change_page_attr_set_clr+0x364/0x2500
[ 43.423633] ? _lookup_address_cpa.isra.0+0xa0/0xa0
[ 43.428636] ? __change_page_attr_set_clr+0x1ac2/0x2500
[ 43.433984] ? lock_downgrade+0x740/0x740
[ 43.438122] ? do_raw_spin_unlock+0x174/0x260
[ 43.442659] ? pfn_range_is_mapped+0x8d/0xc0
[ 43.447055] __change_page_attr_set_clr+0x1c88/0x2500
[ 43.452414] ? _lookup_address_cpa.isra.0+0xa0/0xa0
[ 43.457463] ? wait_for_completion+0x420/0x420
[ 43.462044] ? _raw_spin_unlock+0x2d/0x50
[ 43.466239] change_page_attr_set_clr+0x2ce/0xac0
[ 43.471085] ? __change_page_attr_set_clr+0x2500/0x2500
[ 43.476435] ? jit_fill_hole+0x30/0x30
[ 43.480315] ? __lock_is_held+0xb6/0x140
[ 43.484367] set_memory_ro+0x6c/0x80
[ 43.488068] ? _set_memory_wb+0x80/0x80
[ 43.492032] bpf_int_jit_compile+0x4bf/0x6c7
[ 43.496435] ? do_jit+0x57d0/0x57d0
[ 43.500062] ? __bpf_prog_run64+0xc0/0xc0
[ 43.504208] bpf_prog_select_runtime+0xe5/0x4d0
[ 43.509076] ? memcpy+0x46/0x50
[ 43.512339] ? bpf_prog_realloc+0x6f/0x2e0
[ 43.516562] bpf_prepare_filter+0x744/0xb20
[ 43.520878] ? rcu_read_lock_sched_held+0x110/0x130
[ 43.525886] ? bpf_convert_filter+0x1b00/0x1b00
[ 43.530546] ? kmemdup+0x47/0x60
[ 43.533915] ? bpf_prog_store_orig_filter.isra.0+0x149/0x200
[ 43.539697] ? _copy_from_user+0x99/0x110
[ 43.543837] __get_filter+0x19e/0x240
[ 43.547633] sk_attach_filter+0x1e/0x90
[ 43.551597] sock_setsockopt+0x1157/0x1950
[ 43.555822] ? sock_enable_timestamp+0xb0/0xb0
[ 43.560402] ? selinux_socket_setsockopt+0x65/0x80
[ 43.565316] ? security_socket_setsockopt+0x89/0xb0
[ 43.570324] SyS_setsockopt+0x1d7/0x210
[ 43.574332] ? SyS_recv+0x40/0x40
[ 43.577827] ? do_syscall_64+0x53/0x640
[ 43.581791] ? SyS_recv+0x40/0x40
[ 43.585234] do_syscall_64+0x1e8/0x640
[ 43.589106] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 43.594001] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 43.599215] RIP: 0033:0x4411c9
[ 43.602389] RSP: 002b:00007ffe460f0748 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 43.610091] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004411c9
[ 43.617354] RDX: 000000000000001a RSI: 0000000000000001 RDI: 0000000000000003
[ 43.624609] RBP: 00007ffe460f0760 R08: 0000000000000010 R09: 0000000000000000
[ 43.631860] R10: 0000000020000140 R11: 0000000000000246 R12: ffffffffffffffff
[ 43.639118] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000
[ 43.646682] ------------[ cut here ]------------
[ 43.651441] WARNING: CPU: 0 PID: 7292 at include/linux/filter.h:628 bpf_int_jit_compile+0x58e/0x6c7
[ 43.660608] Kernel panic - not syncing: panic_on_warn set ...
[ 43.660608]
[ 43.668031] CPU: 0 PID: 7292 Comm: syz-executor593 Not tainted 4.14.167-syzkaller #0
[ 43.675895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 43.685404] Call Trace:
[ 43.688042] dump_stack+0x142/0x197
[ 43.691655] panic+0x1f9/0x42d
[ 43.694838] ? add_taint.cold+0x16/0x16
[ 43.698811] ? bpf_int_jit_compile+0x58e/0x6c7
[ 43.703384] ? bpf_int_jit_compile+0x58e/0x6c7
[ 43.707998] __warn.cold+0x2f/0x2f
[ 43.711528] ? ist_end_non_atomic+0x10/0x10
[ 43.715846] ? bpf_int_jit_compile+0x58e/0x6c7
[ 43.720427] report_bug+0x216/0x254
[ 43.724047] do_error_trap+0x1bb/0x310
[ 43.727926] ? math_error+0x360/0x360
[ 43.731710] ? __change_page_attr_set_clr+0x2500/0x2500
[ 43.737114] ? jit_fill_hole+0x30/0x30
[ 43.741090] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 43.745922] do_invalid_op+0x1b/0x20
[ 43.749627] invalid_op+0x1b/0x40
[ 43.753065] RIP: 0010:bpf_int_jit_compile+0x58e/0x6c7
[ 43.758232] RSP: 0018:ffff888099337af8 EFLAGS: 00010297
[ 43.763584] RAX: ffff8880885285c0 RBX: ffff888099337b90 RCX: 0000000000000000
[ 43.770896] RDX: 0000000000000000 RSI: ffff888088528e40 RDI: 0000000000000001
[ 43.778148] RBP: ffff888099337bb8 R08: ffff8880885285c0 R09: ffff888088528e60
[ 43.785405] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000065
[ 43.792661] R13: ffff8880885285c0 R14: ffffc900018fe000 R15: ffff8880a9e72140
[ 43.799932] ? bpf_int_jit_compile+0x58e/0x6c7
[ 43.804510] ? do_jit+0x57d0/0x57d0
[ 43.808125] ? __bpf_prog_run64+0xc0/0xc0
[ 43.812255] bpf_prog_select_runtime+0xe5/0x4d0
[ 43.816909] ? memcpy+0x46/0x50
[ 43.820170] ? bpf_prog_realloc+0x6f/0x2e0
[ 43.824433] bpf_prepare_filter+0x744/0xb20
[ 43.828739] ? rcu_read_lock_sched_held+0x110/0x130
[ 43.833747] ? bpf_convert_filter+0x1b00/0x1b00
[ 43.838401] ? kmemdup+0x47/0x60
[ 43.841796] ? bpf_prog_store_orig_filter.isra.0+0x149/0x200
[ 43.847578] ? _copy_from_user+0x99/0x110
[ 43.851713] __get_filter+0x19e/0x240
[ 43.855553] sk_attach_filter+0x1e/0x90
[ 43.859512] sock_setsockopt+0x1157/0x1950
[ 43.864865] ? sock_enable_timestamp+0xb0/0xb0
[ 43.869440] ? selinux_socket_setsockopt+0x65/0x80
[ 43.874360] ? security_socket_setsockopt+0x89/0xb0
[ 43.879369] SyS_setsockopt+0x1d7/0x210
[ 43.883347] ? SyS_recv+0x40/0x40
[ 43.886861] ? do_syscall_64+0x53/0x640
[ 43.890822] ? SyS_recv+0x40/0x40
[ 43.894272] do_syscall_64+0x1e8/0x640
[ 43.898145] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 43.902980] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 43.908153] RIP: 0033:0x4411c9
[ 43.911329] RSP: 002b:00007ffe460f0748 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 43.919020] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004411c9
[ 43.926273] RDX: 000000000000001a RSI: 0000000000000001 RDI: 0000000000000003
[ 43.933565] RBP: 00007ffe460f0760 R08: 0000000000000010 R09: 0000000000000000
[ 43.940828] R10: 0000000020000140 R11: 0000000000000246 R12: ffffffffffffffff
[ 43.948085] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000
[ 43.956814] Kernel Offset: disabled
[ 43.960543] Rebooting in 86400 seconds..