rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-....: (752 ticks this GP) idle=a69/1/0x4000000000000000 softirq=49939/49939 fqs=2092
(t=10502 jiffies g=67017 q=1581)
NMI backtrace for cpu 0
CPU: 0 PID: 15603 Comm: syz.1.4345 Not tainted 5.15.163-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
rcu_dump_cpu_stacks+0x223/0x390 kernel/rcu/tree_stall.h:349
print_cpu_stall+0x320/0x600 kernel/rcu/tree_stall.h:633
check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
rcu_pending kernel/rcu/tree.c:3932 [inline]
rcu_sched_clock_irq+0x8d9/0x1150 kernel/rcu/tree.c:2619
update_process_times+0x196/0x200 kernel/time/timer.c:1818
tick_sched_handle kernel/time/tick-sched.c:254 [inline]
tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
__run_hrtimer kernel/time/hrtimer.c:1686 [inline]
__hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1750
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
__sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:_compound_head include/linux/page-flags.h:198 [inline]
RIP: 0010:PageActive include/linux/page-flags.h:352 [inline]
RIP: 0010:__PageSlabPfmemalloc include/linux/page-flags.h:812 [inline]
RIP: 0010:pfmemalloc_match_unsafe mm/slub.c:2824 [inline]
RIP: 0010:___slab_alloc+0x1cf/0xe10 mm/slub.c:2926
Code: 02 00 00 4c 8b 24 24 0f 85 90 08 00 00 41 89 ed f7 c3 00 02 00 00 0f 84 ab fe ff ff fb 41 89 ed e9 a2 fe ff ff 49 8b 44 24 08 01 0f 85 2d 07 00 00 4c 89 e0 48 83 38 ff 49 8b 7c 24 08 0f 84
RSP: 0018:ffffc90000007728 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff8880b9a3ddb0 RCX: 0000000000000000
RDX: 0000000000000002 RSI: 0000000000000a20 RDI: ffff888011c41780
RBP: 00000000ffffffff R08: ffff8880b9a3ddb0 R09: ffffed100f5cc88a
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea00004be700
R13: 00000000ffffffff R14: ffffffff7fff0000 R15: ffff888011c41780
__slab_alloc mm/slub.c:3095 [inline]
slab_alloc_node mm/slub.c:3186 [inline]
slab_alloc mm/slub.c:3228 [inline]
kmem_cache_alloc_trace+0x1a0/0x290 mm/slub.c:3245
kmalloc include/linux/slab.h:591 [inline]
dst_cow_metrics_generic+0x52/0x1b0 net/core/dst.c:195
dst_metrics_write_ptr include/net/dst.h:118 [inline]
dst_metric_set include/net/dst.h:179 [inline]
icmp6_dst_alloc+0x2fc/0x4f0 net/ipv6/route.c:3288
ndisc_send_skb+0x305/0x13c0 net/ipv6/ndisc.c:489
addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3958
call_timer_fn+0x16d/0x560 kernel/time/timer.c:1451
expire_timers kernel/time/timer.c:1496 [inline]
__run_timers+0x67c/0x890 kernel/time/timer.c:1767
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
__do_softirq kernel/softirq.c:592 [inline]
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x80 kernel/kcov.c:285
Code: 39 d0 77 22 89 f8 89 f6 48 c7 44 0a 08 03 00 00 00 48 89 44 0a 10 48 89 74 0a 18 4c 89 44 0a 20 49 ff c1 4c 89 09 c3 0f 1f 00 <4c> 8b 04 24 65 48 8b 15 44 0e 82 7e 65 8b 05 45 0e 82 7e a9 00 01
RSP: 0018:ffffc90002ff70b8 EFLAGS: 00000246
RAX: 0000000000000004 RBX: ffffc90002ff71a0 RCX: 0000000002ff7103
RDX: ffffc9000407b000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: 00000000ffffffff R08: ffffffff81a1f826 R09: fffffbfff1bc8ede
R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000002c
R13: dffffc0000000000 R14: ffffc90002ff7180 R15: dffffc0000000000
perf_trace_buf_alloc+0x78/0x2e0 kernel/trace/trace_event_perf.c:409
perf_trace_lock+0x1e4/0x440 include/trace/events/lock.h:39
trace_lock_release include/trace/events/lock.h:58 [inline]
lock_release+0x93c/0x9a0 kernel/locking/lockdep.c:5634
rcu_read_unlock include/linux/rcupdate.h:772 [inline]
BPF_PROG_RUN_ARRAY include/linux/bpf.h:1346 [inline]
trace_call_bpf+0x5a6/0x660 kernel/trace/bpf_trace.c:127
perf_trace_run_bpf_submit+0x7b/0x1d0 kernel/events/core.c:9955
perf_trace_lock+0x37f/0x440 include/trace/events/lock.h:39
trace_lock_release include/trace/events/lock.h:58 [inline]
lock_release+0x93c/0x9a0 kernel/locking/lockdep.c:5634
rcu_read_unlock include/linux/rcupdate.h:772 [inline]
inet_twsk_purge+0x934/0x9d0 net/ipv4/inet_timewait_sock.c:309
ops_exit_list net/core/net_namespace.c:177 [inline]
setup_net+0x81c/0x9e0 net/core/net_namespace.c:355
copy_net_ns+0x392/0x5d0 net/core/net_namespace.c:476
create_new_namespaces+0x425/0x7a0 kernel/nsproxy.c:110
copy_namespaces+0x365/0x3b0 kernel/nsproxy.c:178
copy_process+0x1841/0x3ef0 kernel/fork.c:2209
kernel_clone+0x210/0x960 kernel/fork.c:2604
__do_sys_clone kernel/fork.c:2721 [inline]
__se_sys_clone kernel/fork.c:2705 [inline]
__x64_sys_clone+0x23f/0x290 kernel/fork.c:2705
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fba5572fb59
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fba541afff8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fba558bff60 RCX: 00007fba5572fb59
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000640c7000
RBP: 00007fba5579ee5d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007fba558bff60 R15: 00007ffed8132ee8