netlink: 12 bytes leftover after parsing attributes in process `syz-executor3'.
tc_dump_action: action bad kind
netlink: 12 bytes leftover after parsing attributes in process `syz-executor3'.
tc_dump_action: action bad kind
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-....: (1 GPs behind) idle=252/1/0x4000000000000002 softirq=112148/112149 fqs=5249
rcu: (t=10502 jiffies g=166857 q=892)
NMI backtrace for cpu 1
CPU: 1 PID: 20443 Comm: syz-executor4 Not tainted 5.0.0-rc3+ #24
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x1be/0x236 lib/nmi_backtrace.c:62
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_dump_cpu_stacks+0x183/0x1cf kernel/rcu/tree.c:1211
print_cpu_stall.cold+0x227/0x40c kernel/rcu/tree.c:1348
check_cpu_stall kernel/rcu/tree.c:1422 [inline]
rcu_pending kernel/rcu/tree.c:3018 [inline]
rcu_check_callbacks+0xb32/0x1380 kernel/rcu/tree.c:2521
update_process_times+0x32/0x80 kernel/time/timer.c:1635
tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:161
tick_sched_timer+0x47/0x130 kernel/time/tick-sched.c:1271
__run_hrtimer kernel/time/hrtimer.c:1389 [inline]
__hrtimer_run_queues+0x3a7/0x1050 kernel/time/hrtimer.c:1451
hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1509
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline]
smp_apic_timer_interrupt+0x18d/0x760 arch/x86/kernel/apic/apic.c:1060
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
RIP: 0010:selector_cmp net/xfrm/xfrm_policy.c:1390 [inline]
RIP: 0010:xfrm_policy_insert_list+0x619/0xfb0 net/xfrm/xfrm_policy.c:1534
Code: ff 44 89 fe e8 68 66 c3 fa 8b 95 38 ff ff ff 44 39 fa 0f 85 2d 03 00 00 e8 54 65 c3 fa 83 c3 01 49 83 c6 04 49 83 c5 04 89 de 0e 00 00 00 e8 bd 66 c3 fa 83 fb 0e 0f 85 6e ff ff ff 44 0f b6
RSP: 0018:ffff888062697130 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc9000e657000
RDX: 0000000000040000 RSI: 0000000000000001 RDI: 0000000000000004
RBP: ffff888062697230 R08: ffff88806a228540 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: ffff88809a99f30c R14: ffff8880906d978c R15: 00000000000001ff
xfrm_policy_inexact_insert+0x155/0xda0 net/xfrm/xfrm_policy.c:1195
xfrm_policy_insert+0x623/0x910 net/xfrm/xfrm_policy.c:1570
xfrm_add_policy+0x2a1/0x6c0 net/xfrm/xfrm_user.c:1657
xfrm_user_rcv_msg+0x458/0x8d0 net/xfrm/xfrm_user.c:2663
netlink_rcv_skb+0x17d/0x410 net/netlink/af_netlink.c:2485
xfrm_netlink_rcv+0x70/0x90 net/xfrm/xfrm_user.c:2671
netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline]
netlink_unicast+0x574/0x770 net/netlink/af_netlink.c:1336
netlink_sendmsg+0xa05/0xf90 net/netlink/af_netlink.c:1925
sock_sendmsg_nosec net/socket.c:621 [inline]
sock_sendmsg+0xdd/0x130 net/socket.c:631
___sys_sendmsg+0x7ec/0x910 net/socket.c:2116
__sys_sendmsg+0x112/0x270 net/socket.c:2154
__do_sys_sendmsg net/socket.c:2163 [inline]
__se_sys_sendmsg net/socket.c:2161 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2161
do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458099
Code: 6d b7 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ff7347e3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458099
RDX: 0000000000000000 RSI: 000000002014f000 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff7347e46d4
R13: 00000000004c56af R14: 00000000004d9420 R15: 00000000ffffffff