[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 22.538977] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 27.406371] random: sshd: uninitialized urandom read (32 bytes read) [ 27.621885] random: sshd: uninitialized urandom read (32 bytes read) [ 28.159867] random: sshd: uninitialized urandom read (32 bytes read) [ 45.038346] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.55' (ECDSA) to the list of known hosts. [ 50.788996] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 50.899042] ================================================================== [ 50.906866] BUG: KASAN: stack-out-of-bounds in xfrm_state_find+0x3066/0x3630 [ 50.914056] Read of size 4 at addr ffff8801b7777308 by task syz-executor617/4666 [ 50.921876] [ 50.923514] CPU: 1 PID: 4666 Comm: syz-executor617 Not tainted 4.19.0-rc1-next-20180829+ #51 [ 50.932080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.941432] Call Trace: [ 50.944153] dump_stack+0x1c9/0x2b4 [ 50.947806] ? dump_stack_print_info.cold.2+0x52/0x52 [ 50.952990] ? printk+0xa7/0xcf [ 50.956265] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 50.961022] ? xfrm_state_find+0x3066/0x3630 [ 50.965723] print_address_description+0x6c/0x20b [ 50.970570] ? xfrm_state_find+0x3066/0x3630 [ 50.975128] kasan_report.cold.7+0x242/0x30d [ 50.979667] __asan_report_load4_noabort+0x14/0x20 [ 50.984603] xfrm_state_find+0x3066/0x3630 [ 50.988833] ? print_usage_bug+0xc0/0xc0 [ 50.992899] ? __lock_acquire+0x7fc/0x5020 [ 50.997138] ? xfrm_state_afinfo_get_rcu+0x1b0/0x1b0 [ 51.002237] ? __lock_acquire+0x7fc/0x5020 [ 51.006610] ? mark_held_locks+0x160/0x160 [ 51.010842] ? lockdep_hardirqs_on+0x421/0x5c0 [ 51.015505] ? trace_hardirqs_on+0xbd/0x2c0 [ 51.019917] ? mark_held_locks+0x160/0x160 [ 51.024266] ? kasan_unpoison_shadow+0x35/0x50 [ 51.028848] ? print_usage_bug+0xc0/0xc0 [ 51.032907] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 51.038612] ? __radix_tree_lookup+0x35b/0x4c0 [ 51.043327] ? print_usage_bug+0xc0/0xc0 [ 51.047394] ? kasan_check_read+0x11/0x20 [ 51.051534] ? __lock_acquire+0x28d9/0x5020 [ 51.055854] ? print_usage_bug+0xc0/0xc0 [ 51.059911] ? mark_held_locks+0x160/0x160 [ 51.064148] xfrm_tmpl_resolve+0x3a9/0xe30 [ 51.068390] ? __xfrm_decode_session+0x140/0x140 [ 51.073144] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 51.078241] ? graph_lock+0x170/0x170 [ 51.082034] ? kasan_check_write+0x14/0x20 [ 51.086261] ? do_raw_spin_lock+0xc1/0x200 [ 51.090493] ? depot_save_stack+0x291/0x470 [ 51.094820] xfrm_resolve_and_create_bundle+0x184/0x2820 [ 51.100272] ? __local_bh_enable_ip+0x161/0x230 [ 51.104937] ? lockdep_hardirqs_on+0x421/0x5c0 [ 51.109513] ? graph_lock+0x170/0x170 [ 51.113625] ? _raw_spin_unlock_bh+0x30/0x40 [ 51.118032] ? xfrm_migrate+0x19d0/0x19d0 [ 51.122178] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 51.126783] ? find_held_lock+0x36/0x1c0 [ 51.131013] ? lock_downgrade+0x8f0/0x8f0 [ 51.135160] ? kasan_check_read+0x11/0x20 [ 51.139847] ? rcu_is_watching+0x8c/0x150 [ 51.144097] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 51.148796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.154503] ? security_xfrm_policy_lookup+0x9e/0xd0 [ 51.159817] ? xfrm_sk_policy_lookup+0x4df/0x670 [ 51.164866] ? xfrm_selector_match+0xf90/0xf90 [ 51.169535] ? rt_dst_alloc+0x3f8/0x520 [ 51.173515] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 51.178528] ? xfrm_expand_policies+0x2ab/0x6f0 [ 51.183192] xfrm_lookup_with_ifid+0x39e/0x2b90 [ 51.188007] ? xfrm_lookup_with_ifid+0x39e/0x2b90 [ 51.193003] ? xfrm_policy_lookup+0x80/0x80 [ 51.197321] ? graph_lock+0x170/0x170 [ 51.201119] ? ip_route_input_noref+0x270/0x270 [ 51.205801] ? print_usage_bug+0xc0/0xc0 [ 51.210026] ? find_held_lock+0x36/0x1c0 [ 51.214090] ? lock_downgrade+0x8f0/0x8f0 [ 51.218236] ? kasan_check_read+0x11/0x20 [ 51.222379] ? rcu_is_watching+0x8c/0x150 [ 51.226522] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 51.231194] ? ip_route_output_key_hash+0x29b/0x3b0 [ 51.236730] ? ip_route_output_key_hash_rcu+0x3500/0x3500 [ 51.242712] xfrm_lookup_route+0x3c/0x200 [ 51.246966] ip_route_output_flow+0xb1/0xc0 [ 51.251402] udp_sendmsg+0x22cd/0x38e0 [ 51.255490] ? print_usage_bug+0xc0/0xc0 [ 51.259572] ? print_usage_bug+0x70/0xc0 [ 51.263835] ? ip_reply_glue_bits+0xc0/0xc0 [ 51.268163] ? udp_push_pending_frames+0xf0/0xf0 [ 51.273353] ? __lock_acquire+0x7fc/0x5020 [ 51.277848] ? __lock_acquire+0x7fc/0x5020 [ 51.282192] ? graph_lock+0x170/0x170 [ 51.285997] ? mark_held_locks+0x160/0x160 [ 51.290229] ? mark_held_locks+0x160/0x160 [ 51.294576] ? mark_held_locks+0x160/0x160 [ 51.298816] ? __local_bh_enable_ip+0x161/0x230 [ 51.303489] ? lockdep_hardirqs_on+0x421/0x5c0 [ 51.308073] ? _raw_spin_unlock_bh+0x30/0x40 [ 51.312943] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 51.318183] ? do_raw_spin_unlock+0xa7/0x2f0 [ 51.322848] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 51.327445] ? udp_lib_get_port+0x8f2/0x1b80 [ 51.332035] ? __local_bh_enable_ip+0x161/0x230 [ 51.336857] udpv6_sendmsg+0x1832/0x36b0 [ 51.341050] ? udpv6_sendmsg+0x1832/0x36b0 [ 51.345601] ? udpv6_queue_rcv_skb+0x15d0/0x15d0 [ 51.350363] ? find_held_lock+0x36/0x1c0 [ 51.354448] ? __local_bh_enable_ip+0x161/0x230 [ 51.359515] ? __local_bh_enable_ip+0x161/0x230 [ 51.364292] ? lockdep_hardirqs_on+0x421/0x5c0 [ 51.368879] ? trace_hardirqs_on+0xbd/0x2c0 [ 51.373518] ? _raw_spin_unlock_bh+0x30/0x40 [ 51.377936] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 51.383156] ? do_raw_spin_unlock+0xa7/0x2f0 [ 51.387887] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 51.392478] ? ip6_datagram_dst_update+0xf80/0xf80 [ 51.397562] ? release_sock+0x1ec/0x2c0 [ 51.401826] ? __local_bh_enable_ip+0x161/0x230 [ 51.406502] ? _raw_spin_unlock_bh+0x30/0x40 [ 51.411050] ? release_sock+0x1ec/0x2c0 [ 51.415025] ? kasan_check_write+0x14/0x20 [ 51.419260] ? __release_sock+0x3a0/0x3a0 [ 51.423426] ? udp_v6_get_port+0x273/0x660 [ 51.427821] inet_sendmsg+0x1a1/0x690 [ 51.431623] ? udpv6_queue_rcv_skb+0x15d0/0x15d0 [ 51.436532] ? inet_sendmsg+0x1a1/0x690 [ 51.440618] ? ipip_gro_receive+0x100/0x100 [ 51.444947] ? apparmor_socket_sendmsg+0x29/0x30 [ 51.449858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.455484] ? security_socket_sendmsg+0x94/0xc0 [ 51.460720] ? ipip_gro_receive+0x100/0x100 [ 51.465047] sock_sendmsg+0xd5/0x120 [ 51.468860] ___sys_sendmsg+0x51d/0x930 [ 51.472843] ? copy_msghdr_from_user+0x580/0x580 [ 51.477598] ? graph_lock+0x170/0x170 [ 51.481397] ? pud_val+0x88/0x100 [ 51.484847] ? pmd_val+0x100/0x100 [ 51.488533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.494437] ? __fget_light+0x2f7/0x440 [ 51.498455] ? fget_raw+0x20/0x20 [ 51.501905] ? aa_profile_af_perm+0x430/0x430 [ 51.506407] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 51.512105] ? sockfd_lookup_light+0xc5/0x160 [ 51.516724] __sys_sendmmsg+0x240/0x6f0 [ 51.520702] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 51.525030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.530698] ? ipv6_setsockopt+0x84/0x170 [ 51.534861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.540404] ? __sys_setsockopt+0x257/0x3b0 [ 51.544747] ? do_syscall_64+0x9a/0x820 [ 51.548749] ? do_syscall_64+0x9a/0x820 [ 51.552942] ? lockdep_hardirqs_on+0x421/0x5c0 [ 51.557530] ? trace_hardirqs_on+0xbd/0x2c0 [ 51.561855] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.567216] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 51.572321] __x64_sys_sendmmsg+0x9d/0x100 [ 51.576675] do_syscall_64+0x1b9/0x820 [ 51.580835] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 51.586202] ? syscall_return_slowpath+0x5e0/0x5e0 [ 51.591128] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.595968] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 51.600992] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 51.606008] ? prepare_exit_to_usermode+0x291/0x3b0 [ 51.611028] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.615877] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.621176] RIP: 0033:0x4403f9 [ 51.624374] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.643488] RSP: 002b:00007ffd4271ea28 EFLAGS: 00000217 ORIG_RAX: 0000000000000133 [ 51.651197] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004403f9 [ 51.658646] RDX: 0000000000000001 RSI: 0000000020000a80 RDI: 0000000000000003 [ 51.665915] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 51.673314] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000401c80 [ 51.680580] R13: 0000000000401d10 R14: 0000000000000000 R15: 0000000000000000 [ 51.687853] [ 51.689485] The buggy address belongs to the page: [ 51.694694] page:ffffea0006ddddc0 count:0 mapcount:0 mapping:0000000000000000 index:0x0 [ 51.702840] flags: 0x2fffc0000000000() [ 51.706733] raw: 02fffc0000000000 0000000000000000 ffffffff06dd0101 0000000000000000 [ 51.714643] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 51.722623] page dumped because: kasan: bad access detected [ 51.728331] [ 51.730041] Memory state around the buggy address: [ 51.734969] ffff8801b7777200: f2 f2 00 00 00 00 00 f2 f2 f2 f2 f2 f2 f2 00 00 [ 51.742324] ffff8801b7777280: 00 00 00 00 f2 f2 f2 f2 f2 f2 00 00 00 00 00 00 [ 51.749680] >ffff8801b7777300: 00 f2 f2 f2 f2 f2 04 f2 f2 f2 f2 f2 f2 f2 f8 f2 [ 51.757120] ^ [ 51.760749] ffff8801b7777380: f2 f2 f2 f2 f2 f2 00 00 00 00 00 00 00 00 00 f2 [ 51.768131] ffff8801b7777400: f2 f2 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 51.775484] ================================================================== [ 51.782834] Disabling lock debugging due to kernel taint [ 51.788432] Kernel panic - not syncing: panic_on_warn set ... [ 51.788432] [ 51.795835] CPU: 1 PID: 4666 Comm: syz-executor617 Tainted: G B 4.19.0-rc1-next-20180829+ #51 [ 51.805833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.815180] Call Trace: [ 51.817789] dump_stack+0x1c9/0x2b4 [ 51.821434] ? dump_stack_print_info.cold.2+0x52/0x52 [ 51.826718] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 51.832215] panic+0x238/0x4e7 [ 51.835413] ? add_taint.cold.5+0x16/0x16 [ 51.839572] ? trace_hardirqs_on+0xb4/0x2c0 [ 51.843887] ? trace_hardirqs_on+0x9a/0x2c0 [ 51.848213] ? xfrm_state_find+0x3066/0x3630 [ 51.852619] kasan_end_report+0x47/0x4f [ 51.856789] kasan_report.cold.7+0x76/0x30d [ 51.861231] __asan_report_load4_noabort+0x14/0x20 [ 51.866163] xfrm_state_find+0x3066/0x3630 [ 51.870402] ? print_usage_bug+0xc0/0xc0 [ 51.874475] ? __lock_acquire+0x7fc/0x5020 [ 51.878711] ? xfrm_state_afinfo_get_rcu+0x1b0/0x1b0 [ 51.883814] ? __lock_acquire+0x7fc/0x5020 [ 51.888042] ? mark_held_locks+0x160/0x160 [ 51.892355] ? lockdep_hardirqs_on+0x421/0x5c0 [ 51.896946] ? trace_hardirqs_on+0xbd/0x2c0 [ 51.901264] ? mark_held_locks+0x160/0x160 [ 51.905499] ? kasan_unpoison_shadow+0x35/0x50 [ 51.910074] ? print_usage_bug+0xc0/0xc0 [ 51.914131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 51.919662] ? __radix_tree_lookup+0x35b/0x4c0 [ 51.924239] ? print_usage_bug+0xc0/0xc0 [ 51.928297] ? kasan_check_read+0x11/0x20 [ 51.932447] ? __lock_acquire+0x28d9/0x5020 [ 51.936809] ? print_usage_bug+0xc0/0xc0 [ 51.940870] ? mark_held_locks+0x160/0x160 [ 51.945102] xfrm_tmpl_resolve+0x3a9/0xe30 [ 51.949339] ? __xfrm_decode_session+0x140/0x140 [ 51.954090] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 51.959297] ? graph_lock+0x170/0x170 [ 51.963095] ? kasan_check_write+0x14/0x20 [ 51.967327] ? do_raw_spin_lock+0xc1/0x200 [ 51.971653] ? depot_save_stack+0x291/0x470 [ 51.975981] xfrm_resolve_and_create_bundle+0x184/0x2820 [ 51.981441] ? __local_bh_enable_ip+0x161/0x230 [ 51.986217] ? lockdep_hardirqs_on+0x421/0x5c0 [ 51.990808] ? graph_lock+0x170/0x170 [ 51.994605] ? _raw_spin_unlock_bh+0x30/0x40 [ 51.999010] ? xfrm_migrate+0x19d0/0x19d0 [ 52.003153] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 52.007867] ? find_held_lock+0x36/0x1c0 [ 52.011944] ? lock_downgrade+0x8f0/0x8f0 [ 52.016090] ? kasan_check_read+0x11/0x20 [ 52.020235] ? rcu_is_watching+0x8c/0x150 [ 52.024472] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 52.029157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.034693] ? security_xfrm_policy_lookup+0x9e/0xd0 [ 52.039815] ? xfrm_sk_policy_lookup+0x4df/0x670 [ 52.044667] ? xfrm_selector_match+0xf90/0xf90 [ 52.049248] ? rt_dst_alloc+0x3f8/0x520 [ 52.053221] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 52.058233] ? xfrm_expand_policies+0x2ab/0x6f0 [ 52.062900] xfrm_lookup_with_ifid+0x39e/0x2b90 [ 52.067747] ? xfrm_lookup_with_ifid+0x39e/0x2b90 [ 52.072618] ? xfrm_policy_lookup+0x80/0x80 [ 52.077020] ? graph_lock+0x170/0x170 [ 52.080933] ? ip_route_input_noref+0x270/0x270 [ 52.085599] ? print_usage_bug+0xc0/0xc0 [ 52.089658] ? find_held_lock+0x36/0x1c0 [ 52.093721] ? lock_downgrade+0x8f0/0x8f0 [ 52.097866] ? kasan_check_read+0x11/0x20 [ 52.102009] ? rcu_is_watching+0x8c/0x150 [ 52.106270] ? rcu_cleanup_dead_rnp+0x200/0x200 [ 52.111054] ? ip_route_output_key_hash+0x29b/0x3b0 [ 52.116074] ? ip_route_output_key_hash_rcu+0x3500/0x3500 [ 52.121611] xfrm_lookup_route+0x3c/0x200 [ 52.125971] ip_route_output_flow+0xb1/0xc0 [ 52.130291] udp_sendmsg+0x22cd/0x38e0 [ 52.134508] ? print_usage_bug+0xc0/0xc0 [ 52.138566] ? print_usage_bug+0x70/0xc0 [ 52.142626] ? ip_reply_glue_bits+0xc0/0xc0 [ 52.146943] ? udp_push_pending_frames+0xf0/0xf0 [ 52.152035] ? __lock_acquire+0x7fc/0x5020 [ 52.156263] ? __lock_acquire+0x7fc/0x5020 [ 52.160587] ? graph_lock+0x170/0x170 [ 52.164390] ? mark_held_locks+0x160/0x160 [ 52.168782] ? mark_held_locks+0x160/0x160 [ 52.173167] ? mark_held_locks+0x160/0x160 [ 52.177396] ? __local_bh_enable_ip+0x161/0x230 [ 52.182178] ? lockdep_hardirqs_on+0x421/0x5c0 [ 52.186782] ? _raw_spin_unlock_bh+0x30/0x40 [ 52.191186] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 52.196403] ? do_raw_spin_unlock+0xa7/0x2f0 [ 52.200919] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 52.205734] ? udp_lib_get_port+0x8f2/0x1b80 [ 52.210390] ? __local_bh_enable_ip+0x161/0x230 [ 52.215300] udpv6_sendmsg+0x1832/0x36b0 [ 52.219519] ? udpv6_sendmsg+0x1832/0x36b0 [ 52.223781] ? udpv6_queue_rcv_skb+0x15d0/0x15d0 [ 52.228541] ? find_held_lock+0x36/0x1c0 [ 52.232604] ? __local_bh_enable_ip+0x161/0x230 [ 52.237443] ? __local_bh_enable_ip+0x161/0x230 [ 52.242125] ? lockdep_hardirqs_on+0x421/0x5c0 [ 52.246708] ? trace_hardirqs_on+0xbd/0x2c0 [ 52.251171] ? _raw_spin_unlock_bh+0x30/0x40 [ 52.255577] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 52.260682] ? do_raw_spin_unlock+0xa7/0x2f0 [ 52.265087] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 52.269669] ? ip6_datagram_dst_update+0xf80/0xf80 [ 52.274596] ? release_sock+0x1ec/0x2c0 [ 52.278568] ? __local_bh_enable_ip+0x161/0x230 [ 52.283235] ? _raw_spin_unlock_bh+0x30/0x40 [ 52.287639] ? release_sock+0x1ec/0x2c0 [ 52.291608] ? kasan_check_write+0x14/0x20 [ 52.295908] ? __release_sock+0x3a0/0x3a0 [ 52.300136] ? udp_v6_get_port+0x273/0x660 [ 52.304374] inet_sendmsg+0x1a1/0x690 [ 52.308187] ? udpv6_queue_rcv_skb+0x15d0/0x15d0 [ 52.312939] ? inet_sendmsg+0x1a1/0x690 [ 52.316908] ? ipip_gro_receive+0x100/0x100 [ 52.321369] ? apparmor_socket_sendmsg+0x29/0x30 [ 52.326134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.331754] ? security_socket_sendmsg+0x94/0xc0 [ 52.336530] ? ipip_gro_receive+0x100/0x100 [ 52.340851] sock_sendmsg+0xd5/0x120 [ 52.344564] ___sys_sendmsg+0x51d/0x930 [ 52.348540] ? copy_msghdr_from_user+0x580/0x580 [ 52.353288] ? graph_lock+0x170/0x170 [ 52.357190] ? pud_val+0x88/0x100 [ 52.360941] ? pmd_val+0x100/0x100 [ 52.364544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.370077] ? __fget_light+0x2f7/0x440 [ 52.374047] ? fget_raw+0x20/0x20 [ 52.377575] ? aa_profile_af_perm+0x430/0x430 [ 52.382097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 52.387630] ? sockfd_lookup_light+0xc5/0x160 [ 52.392148] __sys_sendmmsg+0x240/0x6f0 [ 52.396119] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 52.400448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.406132] ? ipv6_setsockopt+0x84/0x170 [ 52.410282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.415816] ? __sys_setsockopt+0x257/0x3b0 [ 52.420160] ? do_syscall_64+0x9a/0x820 [ 52.424131] ? do_syscall_64+0x9a/0x820 [ 52.428100] ? lockdep_hardirqs_on+0x421/0x5c0 [ 52.432677] ? trace_hardirqs_on+0xbd/0x2c0 [ 52.436996] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.442355] ? trace_hardirqs_off_caller+0x2b0/0x2b0 [ 52.447463] __x64_sys_sendmmsg+0x9d/0x100 [ 52.451698] do_syscall_64+0x1b9/0x820 [ 52.455584] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 52.461231] ? syscall_return_slowpath+0x5e0/0x5e0 [ 52.466158] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.470996] ? trace_hardirqs_on_caller+0x2b0/0x2b0 [ 52.476178] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 52.481192] ? prepare_exit_to_usermode+0x291/0x3b0 [ 52.486205] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.491046] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.496360] RIP: 0033:0x4403f9 [ 52.499556] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 52.518458] RSP: 002b:00007ffd4271ea28 EFLAGS: 00000217 ORIG_RAX: 0000000000000133 [ 52.526168] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004403f9 [ 52.533440] RDX: 0000000000000001 RSI: 0000000020000a80 RDI: 0000000000000003 [ 52.540717] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 52.548091] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000401c80 [ 52.555358] R13: 0000000000401d10 R14: 0000000000000000 R15: 0000000000000000 [ 52.563222] Dumping ftrace buffer: [ 52.566787] (ftrace buffer empty) [ 52.570489] Kernel Offset: disabled [ 52.574109] Rebooting in 86400 seconds..