rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-....: (1 GPs behind) idle=e89/1/0x4000000000000000 softirq=209627/209629 fqs=37
(t=10502 jiffies g=391601 q=126)
NMI backtrace for cpu 1
CPU: 1 PID: 10051 Comm: syz-executor.3 Not tainted 5.16.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_dump_cpu_stacks+0x25e/0x3f0 kernel/rcu/tree_stall.h:343
print_cpu_stall kernel/rcu/tree_stall.h:627 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:711 [inline]
rcu_pending kernel/rcu/tree.c:3878 [inline]
rcu_sched_clock_irq.cold+0x9d/0x746 kernel/rcu/tree.c:2597
update_process_times+0x16d/0x200 kernel/time/timer.c:1785
tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1428
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:166 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:200
Code: 48 89 ef 5d e9 d1 22 46 00 5d be 03 00 00 00 e9 86 1a 63 02 66 0f 1f 44 00 00 48 8b be b0 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 <65> 8b 05 09 c5 8a 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b
RSP: 0018:ffffc90000dc0c48 EFLAGS: 00000286
RAX: 0000000000000000 RBX: ffff8880ae978640 RCX: fffffff0a3da8872
RDX: 0000000000000000 RSI: ffff888040ed1d00 RDI: 0000000000000003
RBP: fffffff0a3da8872 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff875d81ad R11: 0000000000000000 R12: fffffff0a3da8872
R13: ffff888143989b00 R14: 0000000000000000 R15: 0000000000000000
pie_calculate_probability+0x32b/0x7c0 net/sched/sch_pie.c:390
fq_pie_timer+0x170/0x2a0 net/sched/sch_fq_pie.c:383
call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
expire_timers kernel/time/timer.c:1466 [inline]
__run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734
__run_timers kernel/time/timer.c:1715 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:strlen include/linux/fortify-string.h:102 [inline]
RIP: 0010:trace_event_get_offsets_lock_acquire include/trace/events/lock.h:13 [inline]
RIP: 0010:perf_trace_lock_acquire+0xc2/0x550 include/trace/events/lock.h:13
Code: ff 48 c1 e8 03 80 3c 10 00 0f 85 4d 03 00 00 49 8b 7e 18 48 c7 c0 60 13 ac 89 48 85 ff 48 0f 44 f8 e8 a2 f3 a3 02 49 8d 7d 78 <49> 89 c4 48 89 fa 8d 40 01 48 c1 ea 03 c1 e0 10 83 c8 18 89 85 40
RSP: 0018:ffffc9000b55f0a8 EFLAGS: 00000206
RAX: 000000000000000a RBX: 1ffff920016abe38 RCX: 0000000000000002
RDX: 0000000000000003 RSI: ffffffff8bca8420 RDI: ffffffff8ba81158
RBP: ffffc9000b55f190 R08: 0000000000000000 R09: 0000000000000001
R10: fffffbfff1b225ca R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff8ba810e0 R14: ffffffff8bca8420 R15: ffffc9000b55f168
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0x416/0x510 kernel/locking/lockdep.c:5608
__fs_reclaim_acquire mm/page_alloc.c:4535 [inline]
fs_reclaim_acquire+0x115/0x160 mm/page_alloc.c:4549
might_alloc include/linux/sched/mm.h:227 [inline]
slab_pre_alloc_hook mm/slab.h:492 [inline]
slab_alloc_node mm/slub.c:3148 [inline]
slab_alloc mm/slub.c:3242 [inline]
kmem_cache_alloc+0x3e/0x3a0 mm/slub.c:3247
skb_clone+0x170/0x3c0 net/core/skbuff.c:1521
netlink_trim+0x1ae/0x240 net/netlink/af_netlink.c:1294
netlink_broadcast+0x5b/0xd50 net/netlink/af_netlink.c:1497
nlmsg_multicast include/net/netlink.h:1033 [inline]
nlmsg_notify+0x1c0/0x280 net/netlink/af_netlink.c:2539
qdisc_notify.isra.0+0x1c5/0x310 net/sched/sch_api.c:996
notify_and_destroy net/sched/sch_api.c:1009 [inline]
qdisc_graft+0xf20/0x1260 net/sched/sch_api.c:1084
tc_modify_qdisc+0xb92/0x1980 net/sched/sch_api.c:1671
rtnetlink_rcv_msg+0x413/0xb80 net/core/rtnetlink.c:5571
netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2496
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345
netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1921
sock_sendmsg_nosec net/socket.c:704 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:724
____sys_sendmsg+0x6e8/0x810 net/socket.c:2409
___sys_sendmsg+0xf3/0x170 net/socket.c:2463
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2492
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fda134aeae9
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fda12424188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fda135c1f60 RCX: 00007fda134aeae9
RDX: 0000000000000000 RSI: 0000000020000800 RDI: 0000000000000006
RBP: 00007fda13508ff7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fda13af5b2f R14: 00007fda12424300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: 48 89 ef mov %rbp,%rdi
3: 5d pop %rbp
4: e9 d1 22 46 00 jmpq 0x4622da
9: 5d pop %rbp
a: be 03 00 00 00 mov $0x3,%esi
f: e9 86 1a 63 02 jmpq 0x2631a9a
14: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1)
1a: 48 8b be b0 01 00 00 mov 0x1b0(%rsi),%rdi
21: e8 b4 ff ff ff callq 0xffffffda
26: 31 c0 xor %eax,%eax
28: c3 retq
29: 90 nop
* 2a: 65 8b 05 09 c5 8a 7e mov %gs:0x7e8ac509(%rip),%eax # 0x7e8ac53a <-- trapping instruction
31: 89 c1 mov %eax,%ecx
33: 48 8b 34 24 mov (%rsp),%rsi
37: 81 e1 00 01 00 00 and $0x100,%ecx
3d: 65 gs
3e: 48 rex.W
3f: 8b .byte 0x8b