[ 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..