rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P550
rcu: (detected by 0, t=10503 jiffies, g=96253, q=1316)
syz-executor0 R running task 24744 550 14176 0x00000006
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:690
rcu_print_detail_task_stall kernel/rcu/tree_plugin.h:703 [inline]
print_other_cpu_stall.cold.69+0x5b5/0x8db kernel/rcu/tree.c:1289
check_cpu_stall kernel/rcu/tree.c:1429 [inline]
rcu_pending kernel/rcu/tree.c:3018 [inline]
rcu_check_callbacks+0xfe8/0x1410 kernel/rcu/tree.c:2521
update_process_times+0x2d/0x70 kernel/time/timer.c:1635
tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:161
tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1271
__run_hrtimer kernel/time/hrtimer.c:1389 [inline]
__hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1451
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1509
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline]
smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1060
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
RIP: 0010:__sanitizer_cov_trace_pc+0x3b/0x50 kernel/kcov.c:106
Code: 65 8b 15 c8 47 80 7e 81 e2 00 01 1f 00 75 2b 8b 90 d8 12 00 00 83 fa 02 75 20 48 8b 88 e0 12 00 00 8b 80 dc 12 00 00 48 8b 11 <48> 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 5d c3 0f 1f 00 55
RSP: 0018:ffff88808be1f320 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000040000 RBX: ffff888064890d80 RCX: ffffc90005a63000
RDX: 000000000003ffff RSI: ffffffff86c3a43d RDI: 0000000000000004
RBP: ffff88808be1f320 R08: ffff88806d86a040 R09: 0000000000000000
R10: 0000000000000000 R11: ffff88806d86a040 R12: 0000000000000002
R13: ffff888090b5e4d0 R14: 0000000000000000 R15: 0000000000000000
xfrm_policy_match+0x18d/0x2d0 net/xfrm/xfrm_policy.c:1891
__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
__ip6_datagram_connect+0xf5b/0x1470 net/ipv6/datagram.c:191
ip6_datagram_connect+0x2f/0x50 net/ipv6/datagram.c:273
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: 0033:0x4579b9
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:00007f2bcb8bac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004579b9
RDX: 000000000000001c RSI: 0000000020000000 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2bcb8bb6d4
R13: 00000000004be135 R14: 00000000004ce2f0 R15: 00000000ffffffff
syz-executor0 R running task 24744 550 14176 0x80000006
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:690
rcu_print_detail_task_stall kernel/rcu/tree_plugin.h:705 [inline]
print_other_cpu_stall.cold.69+0x615/0x8db kernel/rcu/tree.c:1289
check_cpu_stall kernel/rcu/tree.c:1429 [inline]
rcu_pending kernel/rcu/tree.c:3018 [inline]
rcu_check_callbacks+0xfe8/0x1410 kernel/rcu/tree.c:2521
update_process_times+0x2d/0x70 kernel/time/timer.c:1635
tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:161
tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1271
__run_hrtimer kernel/time/hrtimer.c:1389 [inline]
__hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1451
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1509
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline]
smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1060
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
RIP: 0010:__sanitizer_cov_trace_pc+0x3b/0x50 kernel/kcov.c:106
Code: 65 8b 15 c8 47 80 7e 81 e2 00 01 1f 00 75 2b 8b 90 d8 12 00 00 83 fa 02 75 20 48 8b 88 e0 12 00 00 8b 80 dc 12 00 00 48 8b 11 <48> 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 5d c3 0f 1f 00 55
RSP: 0018:ffff88808be1f320 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000040000 RBX: ffff888064890d80 RCX: ffffc90005a63000
RDX: 000000000003ffff RSI: ffffffff86c3a43d RDI: 0000000000000004
RBP: ffff88808be1f320 R08: ffff88806d86a040 R09: 0000000000000000
R10: 0000000000000000 R11: ffff88806d86a040 R12: 0000000000000002
R13: ffff888090b5e4d0 R14: 0000000000000000 R15: 0000000000000000
xfrm_policy_match+0x18d/0x2d0 net/xfrm/xfrm_policy.c:1891
__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
__ip6_datagram_connect+0xf5b/0x1470 net/ipv6/datagram.c:191
ip6_datagram_connect+0x2f/0x50 net/ipv6/datagram.c:273
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: 0033:0x4579b9
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:00007f2bcb8bac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004579b9
RDX: 000000000000001c RSI: 0000000020000000 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2bcb8bb6d4
R13: 00000000004be135 R14: 00000000004ce2f0 R15: 00000000ffffffff
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P550 } 10742 jiffies s: 8717 root: 0x0/T
rcu: blocking rcu_node structures: