netlink: 'syz-executor5': attribute type 4 has an invalid length. netlink: 'syz-executor5': attribute type 2 has an invalid length. rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P1842 rcu: (detected by 1, t=10503 jiffies, g=299457, q=1938) syz-executor0 R running task 24088 1842 7960 0x00000004 Call Trace: sched_show_task.cold.86+0x2b6/0x30a kernel/sched/core.c:5293 rcu_print_detail_task_stall_rnp+0xc7/0x103 kernel/rcu/tree_plugin.h:677 rcu_print_detail_task_stall kernel/rcu/tree_plugin.h:690 [inline] print_other_cpu_stall.cold.66+0x576/0x8bb kernel/rcu/tree.c:1274 check_cpu_stall kernel/rcu/tree.c:1415 [inline] rcu_pending kernel/rcu/tree.c:2961 [inline] rcu_check_callbacks+0xfe8/0x1410 kernel/rcu/tree.c:2506 update_process_times+0x2d/0x70 kernel/time/timer.c:1636 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274 __run_hrtimer kernel/time/hrtimer.c:1398 [inline] __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1034 [inline] smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1059 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:__sanitizer_cov_trace_switch+0x3b/0x90 kernel/kcov.c:224 Code: 48 83 f8 10 74 6b 76 4a 48 83 f8 20 74 5b 48 83 f8 40 41 be 07 00 00 00 75 2d 4c 8b 3e 31 db 49 89 f4 49 89 fd 4d 85 ff 74 1d <49> 8b 74 dc 10 4c 89 ea 4c 89 f7 48 83 c3 01 48 8b 4d 08 e8 ed fd RSP: 0018:ffff888196267398 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000002 RBX: 0000000000000001 RCX: ffffffff86bce485 RDX: 000000000000001f RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff8881962673c0 R08: ffff8881b25e4140 R09: 0000000000000000 R10: 0000000000000000 R11: ffff8881b25e4140 R12: ffffffff88e57200 R13: 000000000000001f R14: 0000000000000001 R15: 0000000000000007 xfrm_flowi_dport include/net/xfrm.h:940 [inline] __xfrm4_selector_match net/xfrm/xfrm_policy.c:195 [inline] xfrm_selector_match+0x7f5/0xf90 net/xfrm/xfrm_policy.c:219 xfrm_policy_match+0x1ef/0x2d0 net/xfrm/xfrm_policy.c:1894 __xfrm_policy_eval_candidates net/xfrm/xfrm_policy.c:2022 [inline] xfrm_policy_eval_candidates net/xfrm/xfrm_policy.c:2053 [inline] xfrm_policy_lookup_bytype+0xa1a/0xe70 net/xfrm/xfrm_policy.c:2113 xfrm_policy_lookup+0x7e/0x80 net/xfrm/xfrm_policy.c:2145 xfrm_bundle_lookup net/xfrm/xfrm_policy.c:2939 [inline] xfrm_lookup_with_ifid+0x972/0x2b80 net/xfrm/xfrm_policy.c:3080 xfrm_lookup net/xfrm/xfrm_policy.c:3172 [inline] xfrm_lookup_route+0x3c/0x1f0 net/xfrm/xfrm_policy.c:3183 ip_route_output_flow+0xb1/0xc0 net/ipv4/route.c:2582 ip_route_connect include/net/route.h:309 [inline] __ip4_datagram_connect+0x70e/0x1330 net/ipv4/datagram.c:51 ip4_datagram_connect+0x2f/0x50 net/ipv4/datagram.c:92 inet_dgram_connect+0x154/0x2e0 net/ipv4/af_inet.c:571 __sys_connect+0x37d/0x4c0 net/socket.c:1664 __do_sys_connect net/socket.c:1675 [inline] __se_sys_connect net/socket.c:1672 [inline] __x64_sys_connect+0x73/0xb0 net/socket.c:1672 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457759 Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7479a39c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457759 RDX: 0000000000000010 RSI: 0000000020000280 RDI: 0000000000000004 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7479a3a6d4 R13: 00000000004bdd6b R14: 00000000004cde58 R15: 00000000ffffffff syz-executor0 R running task 24088 1842 7960 0x80000004 Call Trace: sched_show_task.cold.86+0x2b6/0x30a kernel/sched/core.c:5293 rcu_print_detail_task_stall_rnp+0xc7/0x103 kernel/rcu/tree_plugin.h:677 rcu_print_detail_task_stall kernel/rcu/tree_plugin.h:692 [inline] print_other_cpu_stall.cold.66+0x5d6/0x8bb kernel/rcu/tree.c:1274 check_cpu_stall kernel/rcu/tree.c:1415 [inline] rcu_pending kernel/rcu/tree.c:2961 [inline] rcu_check_callbacks+0xfe8/0x1410 kernel/rcu/tree.c:2506 update_process_times+0x2d/0x70 kernel/time/timer.c:1636 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274 __run_hrtimer kernel/time/hrtimer.c:1398 [inline] __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1034 [inline] smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1059 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:__sanitizer_cov_trace_switch+0x3b/0x90 kernel/kcov.c:224 Code: 48 83 f8 10 74 6b 76 4a 48 83 f8 20 74 5b 48 83 f8 40 41 be 07 00 00 00 75 2d 4c 8b 3e 31 db 49 89 f4 49 89 fd 4d 85 ff 74 1d <49> 8b 74 dc 10 4c 89 ea 4c 89 f7 48 83 c3 01 48 8b 4d 08 e8 ed fd RSP: 0018:ffff888196267398 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000002 RBX: 0000000000000001 RCX: ffffffff86bce485 RDX: 000000000000001f RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff8881962673c0 R08: ffff8881b25e4140 R09: 0000000000000000 R10: 0000000000000000 R11: ffff8881b25e4140 R12: ffffffff88e57200 R13: 000000000000001f R14: 0000000000000001 R15: 0000000000000007 xfrm_flowi_dport include/net/xfrm.h:940 [inline] __xfrm4_selector_match net/xfrm/xfrm_policy.c:195 [inline] xfrm_selector_match+0x7f5/0xf90 net/xfrm/xfrm_policy.c:219 xfrm_policy_match+0x1ef/0x2d0 net/xfrm/xfrm_policy.c:1894 __xfrm_policy_eval_candidates net/xfrm/xfrm_policy.c:2022 [inline] xfrm_policy_eval_candidates net/xfrm/xfrm_policy.c:2053 [inline] xfrm_policy_lookup_bytype+0xa1a/0xe70 net/xfrm/xfrm_policy.c:2113 xfrm_policy_lookup+0x7e/0x80 net/xfrm/xfrm_policy.c:2145 xfrm_bundle_lookup net/xfrm/xfrm_policy.c:2939 [inline] xfrm_lookup_with_ifid+0x972/0x2b80 net/xfrm/xfrm_policy.c:3080 xfrm_lookup net/xfrm/xfrm_policy.c:3172 [inline] xfrm_lookup_route+0x3c/0x1f0 net/xfrm/xfrm_policy.c:3183 ip_route_output_flow+0xb1/0xc0 net/ipv4/route.c:2582 ip_route_connect include/net/route.h:309 [inline] __ip4_datagram_connect+0x70e/0x1330 net/ipv4/datagram.c:51 ip4_datagram_connect+0x2f/0x50 net/ipv4/datagram.c:92 inet_dgram_connect+0x154/0x2e0 net/ipv4/af_inet.c:571 __sys_connect+0x37d/0x4c0 net/socket.c:1664 __do_sys_connect net/socket.c:1675 [inline] __se_sys_connect net/socket.c:1672 [inline] __x64_sys_connect+0x73/0xb0 net/socket.c:1672 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457759 Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7479a39c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457759 RDX: 0000000000000010 RSI: 0000000020000280 RDI: 0000000000000004 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7479a3a6d4 R13: 00000000004bdd6b R14: 00000000004cde58 R15: 00000000ffffffff