[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 18.541614] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 36.307606] random: sshd: uninitialized urandom read (32 bytes read) [ 36.831349] random: sshd: uninitialized urandom read (32 bytes read) [ 37.401206] random: sshd: uninitialized urandom read (32 bytes read) [ 173.840210] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.46' (ECDSA) to the list of known hosts. [ 179.300945] random: sshd: uninitialized urandom read (32 bytes read) 2018/07/10 10:13:38 parsed 1 programs [ 180.968686] random: cc1: uninitialized urandom read (8 bytes read) 2018/07/10 10:13:40 executed programs: 0 [ 182.148733] IPVS: ftp: loaded support on port[0] = 21 [ 182.338831] bridge0: port 1(bridge_slave_0) entered blocking state [ 182.345282] bridge0: port 1(bridge_slave_0) entered disabled state [ 182.352724] device bridge_slave_0 entered promiscuous mode [ 182.368299] bridge0: port 2(bridge_slave_1) entered blocking state [ 182.374650] bridge0: port 2(bridge_slave_1) entered disabled state [ 182.381770] device bridge_slave_1 entered promiscuous mode [ 182.398064] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 182.413405] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 182.451860] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 182.469513] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 182.527937] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 182.535265] team0: Port device team_slave_0 added [ 182.549600] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 182.556638] team0: Port device team_slave_1 added [ 182.570734] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 182.587539] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 182.604369] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 182.620451] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 182.730007] bridge0: port 2(bridge_slave_1) entered blocking state [ 182.736496] bridge0: port 2(bridge_slave_1) entered forwarding state [ 182.743440] bridge0: port 1(bridge_slave_0) entered blocking state [ 182.749809] bridge0: port 1(bridge_slave_0) entered forwarding state [ 183.135366] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 183.141681] 8021q: adding VLAN 0 to HW filter on device bond0 [ 183.182616] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 183.223770] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 183.231634] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 183.268506] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 183.274599] 8021q: adding VLAN 0 to HW filter on device team0 [ 183.281279] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 184.551612] FAULT_FLAG_ALLOW_RETRY missing 30 [ 184.556319] CPU: 0 PID: 4798 Comm: syz-executor0 Not tainted 4.18.0-rc4+ #42 [ 184.563492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 184.572832] Call Trace: [ 184.575407] dump_stack+0x1c9/0x2b4 [ 184.579031] ? dump_stack_print_info.cold.2+0x52/0x52 [ 184.584211] ? kasan_check_write+0x14/0x20 [ 184.588428] ? do_raw_spin_lock+0xc1/0x200 [ 184.592647] handle_userfault.cold.33+0x47/0x62 [ 184.597302] ? userfaultfd_ioctl+0x4fd0/0x4fd0 [ 184.601867] ? trace_hardirqs_on+0x10/0x10 [ 184.606086] ? __lock_is_held+0xb5/0x140 [ 184.610132] ? update_curr+0x344/0xc00 [ 184.614001] ? print_usage_bug+0xc0/0xc0 [ 184.618055] ? print_usage_bug+0xc0/0xc0 [ 184.622099] ? userfaultfd_ctx_put+0x810/0x810 [ 184.626664] ? active_load_balance_cpu_stop+0xf91/0x1030 [ 184.632096] ? print_usage_bug+0xc0/0xc0 [ 184.636140] ? __lock_acquire+0x7fc/0x5020 [ 184.640370] ? graph_lock+0x170/0x170 [ 184.644160] ? find_held_lock+0x36/0x1c0 [ 184.648217] ? lock_downgrade+0x8f0/0x8f0 [ 184.652361] ? kasan_check_read+0x11/0x20 [ 184.656496] ? do_raw_spin_unlock+0xa7/0x2f0 [ 184.660895] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 184.665464] ? kasan_check_write+0x14/0x20 [ 184.669683] ? do_raw_spin_lock+0xc1/0x200 [ 184.673904] __handle_mm_fault+0x3a0a/0x4460 [ 184.678312] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 184.683134] ? graph_lock+0x170/0x170 [ 184.686923] ? lock_downgrade+0x8f0/0x8f0 [ 184.691063] ? kasan_check_read+0x11/0x20 [ 184.695189] ? rcu_is_watching+0x8c/0x150 [ 184.699324] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 184.703712] ? handle_mm_fault+0x8c4/0xc80 [ 184.707927] handle_mm_fault+0x53e/0xc80 [ 184.711967] ? __handle_mm_fault+0x4460/0x4460 [ 184.716529] ? find_vma+0x34/0x190 [ 184.720065] __do_page_fault+0x620/0xe50 [ 184.724129] ? mm_fault_error+0x380/0x380 [ 184.728266] ? __kmalloc+0x14e/0x760 [ 184.731963] ? do_ip_setsockopt.isra.12+0x1b91/0x3e50 [ 184.737137] ? graph_lock+0x170/0x170 [ 184.740922] ? compat_sock_common_setsockopt+0xb4/0x150 [ 184.746265] ? __compat_sys_setsockopt+0x1b3/0x860 [ 184.751179] do_page_fault+0xf6/0x8c0 [ 184.754968] ? vmalloc_sync_all+0x30/0x30 [ 184.759099] ? find_held_lock+0x36/0x1c0 [ 184.763149] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 184.767975] page_fault+0x1e/0x30 [ 184.771412] RIP: 0010:copy_user_generic_unrolled+0x86/0xc0 [ 184.777011] Code: 4c 8b 5e 38 4c 89 47 20 4c 89 4f 28 4c 89 57 30 4c 89 5f 38 48 8d 76 40 48 8d 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 <4c> 8b 06 4c 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 [ 184.796228] RSP: 0018:ffff8801a9f5f678 EFLAGS: 00010203 [ 184.801581] RAX: 0000000000000004 RBX: 000000000000000c RCX: 0000000000000001 [ 184.808839] RDX: 0000000000000004 RSI: 0000000020013ff4 RDI: ffff8801cfe1aca0 [ 184.816090] RBP: ffff8801a9f5f6b0 R08: ffffed0039fc3596 R09: ffffed0039fc3594 [ 184.823339] R10: ffffed0039fc3595 R11: 0000000000000003 R12: 0000000020014000 [ 184.830586] R13: 0000000020013ff4 R14: ffff8801cfe1aca0 R15: 00007ffffffff000 [ 184.837854] ? _copy_from_user+0x10d/0x150 [ 184.842075] ip_options_get_from_user+0x8d/0xf0 [ 184.846729] do_ip_setsockopt.isra.12+0x1b91/0x3e50 [ 184.851726] ? ip_ra_control+0x640/0x640 [ 184.855774] ? save_stack+0x43/0xd0 [ 184.859382] ? kasan_kmalloc+0xc4/0xe0 [ 184.863247] ? kmem_cache_alloc+0x12e/0x760 [ 184.867548] ? get_empty_filp+0x12d/0x530 [ 184.871673] ? alloc_file+0x24/0x3e0 [ 184.875367] ? sock_alloc_file+0x1fb/0x500 [ 184.879580] ? __sys_socket+0x172/0x260 [ 184.883541] ? do_futex+0x249/0x27d0 [ 184.887255] ? lock_downgrade+0x8f0/0x8f0 [ 184.891386] ? graph_lock+0x170/0x170 [ 184.895167] ? kasan_check_read+0x11/0x20 [ 184.899299] ? exit_robust_list+0x290/0x290 [ 184.903611] ? graph_lock+0x170/0x170 [ 184.907399] ? find_held_lock+0x36/0x1c0 [ 184.911444] ? lock_downgrade+0x8f0/0x8f0 [ 184.915578] ? kasan_check_read+0x11/0x20 [ 184.919707] ? rcu_is_watching+0x8c/0x150 [ 184.923843] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 184.928253] ? __fget+0x414/0x670 [ 184.931697] ? expand_files.part.8+0x9c0/0x9c0 [ 184.936263] compat_ip_setsockopt+0x68/0x140 [ 184.940652] inet_csk_compat_setsockopt+0x97/0x120 [ 184.945559] ? ip_setsockopt+0x140/0x140 [ 184.949600] compat_tcp_setsockopt+0x49/0x80 [ 184.953991] compat_sock_common_setsockopt+0xb4/0x150 [ 184.959162] ? tcp_setsockopt+0xe0/0xe0 [ 184.963130] ? sock_common_setsockopt+0xe0/0xe0 [ 184.967800] __compat_sys_setsockopt+0x1b3/0x860 [ 184.972540] ? __compat_sys_getsockopt+0x890/0x890 [ 184.977450] ? __x32_compat_sys_get_robust_list+0x430/0x430 [ 184.983145] ? move_addr_to_kernel+0x70/0x70 [ 184.987533] ? syscall_slow_exit_work+0x500/0x500 [ 184.992370] __ia32_compat_sys_setsockopt+0xbd/0x150 [ 184.997467] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 185.002476] do_fast_syscall_32+0x34d/0xfb2 [ 185.006782] ? do_int80_syscall_32+0x890/0x890 [ 185.011344] ? kasan_check_write+0x14/0x20 [ 185.015561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.021091] ? syscall_return_slowpath+0x31d/0x5e0 [ 185.026011] ? sysret32_from_system_call+0x5/0x46 [ 185.030849] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 185.035681] entry_SYSENTER_compat+0x70/0x7f [ 185.040068] RIP: 0023:0xf7f15cb9 [ 185.043409] Code: 55 08 8b 88 64 cd ff ff 8b 98 68 cd ff ff 89 c8 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 1c 24 c3 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 185.062583] RSP: 002b:00000000f7f110ac EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 185.070274] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000000000 [ 185.077521] RDX: 0000000000000004 RSI: 0000000020013ff4 RDI: 000000000000000c [ 185.084768] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 185.092021] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 185.099287] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 185.108649] [ 185.110440] ============================= [ 185.114619] WARNING: suspicious RCU usage [ 185.118776] 4.18.0-rc4+ #42 Not tainted [ 185.122757] ----------------------------- [ 185.126911] include/net/inet_sock.h:136 suspicious rcu_dereference_check() usage! [ 185.134537] [ 185.134537] other info that might help us debug this: [ 185.134537] [ 185.142709] [ 185.142709] rcu_scheduler_active = 2, debug_locks = 1 [ 185.149395] 1 lock held by syz-executor0/4801: [ 185.153980] #0: (____ptrval____) (sk_lock-AF_INET6){+.+.}, at: do_ip_setsockopt.isra.12+0x355/0x3e50 [ 185.163409] [ 185.163409] stack backtrace: [ 185.167926] CPU: 1 PID: 4801 Comm: syz-executor0 Not tainted 4.18.0-rc4+ #42 [ 185.175118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 185.184450] Call Trace: [ 185.187025] dump_stack+0x1c9/0x2b4 [ 185.190641] ? dump_stack_print_info.cold.2+0x52/0x52 [ 185.195813] ? vprintk_func+0x81/0xe7 [ 185.199595] lockdep_rcu_suspicious+0x14a/0x153 [ 185.204248] inet_csk_route_req+0x96b/0xdb0 [ 185.208549] ? pvclock_read_flags+0x160/0x160 [ 185.213037] ? inet_csk_reset_keepalive_timer+0x60/0x60 [ 185.218381] ? kvm_clock_read+0x25/0x30 [ 185.222344] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 185.227345] ? ktime_get_with_offset+0x32e/0x4b0 [ 185.232087] dccp_v4_send_response+0xb4/0x6d0 [ 185.236572] ? dccp_v4_reqsk_destructor+0x60/0x60 [ 185.241395] ? siphash_3u32+0x1f/0x2a0 [ 185.245273] ? secure_dccp_sequence_number+0xa4/0x180 [ 185.250445] ? dccp_parse_options+0x493/0x11f0 [ 185.255014] ? secure_ipv4_port_ephemeral+0x150/0x150 [ 185.260200] ? security_inet_conn_request+0x94/0xc0 [ 185.265198] dccp_v4_conn_request+0xc6e/0x1380 [ 185.269761] ? dccp_req_err+0x430/0x430 [ 185.273719] ? trace_hardirqs_on+0x10/0x10 [ 185.277945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.283461] ? handle_mm_fault+0x55d/0xc80 [ 185.287686] ? __handle_mm_fault+0x4460/0x4460 [ 185.292251] dccp_v6_conn_request+0xdb6/0x1660 [ 185.296824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.302341] ? dccp_v6_do_rcv+0xb60/0xb60 [ 185.306471] ? graph_lock+0x170/0x170 [ 185.310257] ? mm_fault_error+0x380/0x380 [ 185.314392] ? print_usage_bug+0xc0/0xc0 [ 185.318431] ? mm_fault_error+0x380/0x380 [ 185.322573] ? dccp_rcv_state_process+0x688/0x1a30 [ 185.327484] dccp_rcv_state_process+0x6f7/0x1a30 [ 185.332221] ? dccp_sample_rtt+0xe0/0xe0 [ 185.336262] ? lock_downgrade+0x8f0/0x8f0 [ 185.340396] dccp_v4_do_rcv+0x102/0x180 [ 185.344350] dccp_v6_do_rcv+0x935/0xb60 [ 185.348313] ? trace_hardirqs_on+0xd/0x10 [ 185.352440] ? __local_bh_enable_ip+0x161/0x230 [ 185.357090] __release_sock+0x12f/0x3a0 [ 185.361050] release_sock+0xad/0x2c0 [ 185.364744] ? __release_sock+0x3a0/0x3a0 [ 185.368878] do_ip_setsockopt.isra.12+0x5de/0x3e50 [ 185.373785] ? ip_ra_control+0x640/0x640 [ 185.377840] ? trace_hardirqs_on+0x10/0x10 [ 185.382062] ? save_stack+0x43/0xd0 [ 185.385667] ? kasan_kmalloc+0xc4/0xe0 [ 185.389532] ? kmem_cache_alloc+0x12e/0x760 [ 185.393831] ? get_empty_filp+0x12d/0x530 [ 185.397958] ? alloc_file+0x24/0x3e0 [ 185.401650] ? sock_alloc_file+0x1fb/0x500 [ 185.405865] ? __sys_socket+0x172/0x260 [ 185.409822] ? do_futex+0x249/0x27d0 [ 185.413519] ? lock_downgrade+0x8f0/0x8f0 [ 185.417645] ? graph_lock+0x170/0x170 [ 185.421426] ? kasan_check_read+0x11/0x20 [ 185.425553] ? exit_robust_list+0x290/0x290 [ 185.429856] ? graph_lock+0x170/0x170 [ 185.433638] ? find_held_lock+0x36/0x1c0 [ 185.437695] ? lock_downgrade+0x8f0/0x8f0 [ 185.441823] ? kasan_check_read+0x11/0x20 [ 185.445951] ? rcu_is_watching+0x8c/0x150 [ 185.450076] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 185.454475] compat_ip_setsockopt+0x68/0x140 [ 185.458869] compat_udp_setsockopt+0x62/0xa0 [ 185.463254] ? udp_lib_unhash+0x980/0x980 [ 185.467384] compat_ipv6_setsockopt+0xcd/0x210 [ 185.471953] inet_csk_compat_setsockopt+0x97/0x120 [ 185.476861] ? ipv6_setsockopt+0x170/0x170 [ 185.481077] compat_dccp_setsockopt+0x4c/0x80 [ 185.485557] compat_sock_common_setsockopt+0xb4/0x150 [ 185.490727] ? do_dccp_setsockopt.isra.10+0x7b0/0x7b0 [ 185.495900] ? sock_common_setsockopt+0xe0/0xe0 [ 185.500551] __compat_sys_setsockopt+0x1b3/0x860 [ 185.505297] ? __compat_sys_getsockopt+0x890/0x890 [ 185.510233] ? __x32_compat_sys_get_robust_list+0x430/0x430 [ 185.515927] ? move_addr_to_kernel+0x70/0x70 [ 185.520317] ? fput+0x130/0x1a0 [ 185.523578] __ia32_compat_sys_setsockopt+0xbd/0x150 [ 185.528660] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 185.533664] do_fast_syscall_32+0x34d/0xfb2 [ 185.537976] ? do_int80_syscall_32+0x890/0x890 [ 185.542547] ? _raw_spin_unlock_irq+0x27/0x70 [ 185.547029] ? finish_task_switch+0x1d3/0x870 [ 185.551517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.557037] ? syscall_return_slowpath+0x31d/0x5e0 [ 185.561948] ? sysret32_from_system_call+0x5/0x46 [ 185.566774] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 185.571600] entry_SYSENTER_compat+0x70/0x7f [ 185.575984] RIP: 0023:0xf7f15cb9 [ 185.579345] Code: 55 08 8b 88 64 cd ff ff 8b 98 68 cd ff ff 89 c8 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 1c 24 c3 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 185.598511] RSP: 002b:00000000f7ecf0ac EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 185.606198] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000000000 [ 185.613451] RDX: 0000000000000004 RSI: 0000000020013ff4 RDI: 000000000000000c [ 185.620699] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 185.627955] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 185.635204] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 185.642613] [ 185.644266] ============================= [ 185.648445] WARNING: suspicious RCU usage [ 185.652602] 4.18.0-rc4+ #42 Not tainted [ 185.656592] ----------------------------- [ 185.660747] include/net/inet_sock.h:136 suspicious rcu_dereference_check() usage! [ 185.668376] [ 185.668376] other info that might help us debug this: [ 185.668376] [ 185.676533] [ 185.676533] rcu_scheduler_active = 2, debug_locks = 1 [ 185.683211] 1 lock held by syz-executor0/4801: [ 185.687817] #0: (____ptrval____) (sk_lock-AF_INET6){+.+.}, at: do_ip_setsockopt.isra.12+0x355/0x3e50 [ 185.697235] [ 185.697235] stack backtrace: [ 185.701744] CPU: 1 PID: 4801 Comm: syz-executor0 Not tainted 4.18.0-rc4+ #42 [ 185.708910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 185.718241] Call Trace: [ 185.720810] dump_stack+0x1c9/0x2b4 [ 185.724416] ? dump_stack_print_info.cold.2+0x52/0x52 [ 185.729590] ? vprintk_func+0x81/0xe7 [ 185.733372] lockdep_rcu_suspicious+0x14a/0x153 [ 185.738034] dccp_v4_send_response+0x537/0x6d0 [ 185.742609] ? dccp_v4_reqsk_destructor+0x60/0x60 [ 185.747440] ? secure_dccp_sequence_number+0xa4/0x180 [ 185.752607] ? dccp_parse_options+0x493/0x11f0 [ 185.757170] ? secure_ipv4_port_ephemeral+0x150/0x150 [ 185.762344] ? security_inet_conn_request+0x94/0xc0 [ 185.767345] dccp_v4_conn_request+0xc6e/0x1380 [ 185.771929] ? dccp_req_err+0x430/0x430 [ 185.775887] ? trace_hardirqs_on+0x10/0x10 [ 185.780115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.785632] ? handle_mm_fault+0x55d/0xc80 [ 185.789846] ? __handle_mm_fault+0x4460/0x4460 [ 185.794415] dccp_v6_conn_request+0xdb6/0x1660 [ 185.798979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 185.804505] ? dccp_v6_do_rcv+0xb60/0xb60 [ 185.808633] ? graph_lock+0x170/0x170 [ 185.812415] ? mm_fault_error+0x380/0x380 [ 185.816541] ? print_usage_bug+0xc0/0xc0 [ 185.820583] ? mm_fault_error+0x380/0x380 [ 185.824710] ? dccp_rcv_state_process+0x688/0x1a30 [ 185.829621] dccp_rcv_state_process+0x6f7/0x1a30 [ 185.834358] ? dccp_sample_rtt+0xe0/0xe0 [ 185.838402] ? lock_downgrade+0x8f0/0x8f0 [ 185.842538] dccp_v4_do_rcv+0x102/0x180 [ 185.846499] dccp_v6_do_rcv+0x935/0xb60 [ 185.850467] ? trace_hardirqs_on+0xd/0x10 [ 185.854599] ? __local_bh_enable_ip+0x161/0x230 [ 185.859249] __release_sock+0x12f/0x3a0 [ 185.863220] release_sock+0xad/0x2c0 [ 185.866921] ? __release_sock+0x3a0/0x3a0 [ 185.871056] do_ip_setsockopt.isra.12+0x5de/0x3e50 [ 185.875965] ? ip_ra_control+0x640/0x640 [ 185.880010] ? trace_hardirqs_on+0x10/0x10 [ 185.884246] ? save_stack+0x43/0xd0 [ 185.887852] ? kasan_kmalloc+0xc4/0xe0 [ 185.891717] ? kmem_cache_alloc+0x12e/0x760 [ 185.896024] ? get_empty_filp+0x12d/0x530 [ 185.900155] ? alloc_file+0x24/0x3e0 [ 185.903846] ? sock_alloc_file+0x1fb/0x500 [ 185.908062] ? __sys_socket+0x172/0x260 [ 185.912025] ? do_futex+0x249/0x27d0 [ 185.915723] ? lock_downgrade+0x8f0/0x8f0 [ 185.919850] ? graph_lock+0x170/0x170 [ 185.923630] ? kasan_check_read+0x11/0x20 [ 185.927756] ? exit_robust_list+0x290/0x290 [ 185.932055] ? graph_lock+0x170/0x170 [ 185.935841] ? find_held_lock+0x36/0x1c0 [ 185.939890] ? lock_downgrade+0x8f0/0x8f0 [ 185.944033] ? kasan_check_read+0x11/0x20 [ 185.948163] ? rcu_is_watching+0x8c/0x150 [ 185.952299] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 185.956697] compat_ip_setsockopt+0x68/0x140 [ 185.961087] compat_udp_setsockopt+0x62/0xa0 [ 185.965474] ? udp_lib_unhash+0x980/0x980 [ 185.969602] compat_ipv6_setsockopt+0xcd/0x210 [ 185.974166] inet_csk_compat_setsockopt+0x97/0x120 [ 185.979074] ? ipv6_setsockopt+0x170/0x170 [ 185.983292] compat_dccp_setsockopt+0x4c/0x80 [ 185.987772] compat_sock_common_setsockopt+0xb4/0x150 [ 185.992946] ? do_dccp_setsockopt.isra.10+0x7b0/0x7b0 [ 185.998120] ? sock_common_setsockopt+0xe0/0xe0 [ 186.002772] __compat_sys_setsockopt+0x1b3/0x860 [ 186.007508] ? __compat_sys_getsockopt+0x890/0x890 [ 186.012423] ? __x32_compat_sys_get_robust_list+0x430/0x430 [ 186.018113] ? move_addr_to_kernel+0x70/0x70 [ 186.022500] ? fput+0x130/0x1a0 [ 186.025774] __ia32_compat_sys_setsockopt+0xbd/0x150 [ 186.030866] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 186.035883] do_fast_syscall_32+0x34d/0xfb2 [ 186.040188] ? do_int80_syscall_32+0x890/0x890 [ 186.044748] ? _raw_spin_unlock_irq+0x27/0x70 [ 186.049221] ? finish_task_switch+0x1d3/0x870 [ 186.053700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 186.059226] ? syscall_return_slowpath+0x31d/0x5e0 [ 186.064136] ? sysret32_from_system_call+0x5/0x46 [ 186.068958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 186.073781] entry_SYSENTER_compat+0x70/0x7f [ 186.078168] RIP: 0023:0xf7f15cb9 [ 186.081514] Code: 55 08 8b 88 64 cd ff ff 8b 98 68 cd ff ff 89 c8 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 1c 24 c3 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 186.100693] RSP: 002b:00000000f7ecf0ac EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 186