rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-...!: (10419 ticks this GP) idle=a3d/1/0x4000000000000000 softirq=70541/70541 fqs=14
(t=10500 jiffies g=117393 q=1256)
rcu: rcu_preempt kthread starved for 10471 jiffies! g117393 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:26400 pid: 15 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914
rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 14420 Comm: syz.4.3006 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
RIP: 0010:__lock_acquire+0xcd0/0x1ff0 kernel/locking/lockdep.c:4982
Code: 86 96 48 c1 e8 03 48 bf 00 00 00 00 00 fc ff df 0f b6 04 38 84 c0 0f 85 0e 0c 00 00 83 3d 77 cf 23 15 00 75 44 48 8b 6c 24 58 <8d> 45 3f 85 ed 0f 49 c5 c1 f8 06 48 98 48 8d 3c c5 c0 20 71 90 be
RSP: 0018:ffffc90000006e60 EFLAGS: 00000046
RAX: 0000000000000004 RBX: ffff888038e58b90 RCX: ffffffff96868f03
RDX: 0000000000000000 RSI: 0000000000000000 RDI: dffffc0000000000
RBP: 0000000000000045 R08: dffffc0000000000 R09: fffffbfff20e241a
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000004
R13: ffff888038e58ae8 R14: 0000000000000000 R15: ffff888038e58bb0
FS: 00007f00fbc106c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000004b044000 CR4: 00000000003506f0
DR0: 0000000020000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
seqcount_lockdep_reader_access+0xf8/0x220 include/linux/seqlock.h:103
ktime_get+0x31/0x270 kernel/time/timekeeping.c:829
clockevents_program_event+0xe1/0x310 kernel/time/clockevents.c:326
hrtimer_interrupt+0x546/0x980 kernel/time/hrtimer.c:1827
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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 f2 3e 8c f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 87 87 19 f7 65 8b 05 08 8a c4 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc900000073e0 EFLAGS: 00000206
RAX: 1e2b80636aca6e00 RBX: 1ffff92000000e80 RCX: ffffffff81631ae8
RDX: dffffc0000000000 RSI: ffffffff8a8b2b00 RDI: 0000000000000001
RBP: ffffc90000007470 R08: dffffc0000000000 R09: fffffbfff20e2437
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff92000000e7c R14: ffffc90000007400 R15: 0000000000000246
__debug_object_init+0x258/0xd30 lib/debugobjects.c:632
debug_timer_init kernel/time/timer.c:724 [inline]
debug_init kernel/time/timer.c:772 [inline]
init_timer_key+0x3e/0x2d0 kernel/time/timer.c:816
neigh_alloc net/core/neighbour.c:451 [inline]
___neigh_create+0xa15/0x2220 net/core/neighbour.c:591
ip6_finish_output2+0x11c5/0x15a0 net/ipv6/ip6_output.c:127
dst_output include/net/dst.h:443 [inline]
NF_HOOK include/linux/netfilter.h:302 [inline]
ndisc_send_skb+0xae0/0x13c0 net/ipv6/ndisc.c:511
addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3959
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:kasan_check_range+0x3/0x290 mm/kasan/generic.c:188
Code: 48 89 c7 e8 7f cb 6a 08 31 c0 c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc 55 41 57 <41> 56 53 b0 01 48 85 f6 0f 84 9a 01 00 00 48 89 fd 48 01 f5 0f 82
RSP: 0018:ffffc90003c87788 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8162ae1c
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8de960a8
RBP: ffffc90003c87900 R08: 0000000000000002 R09: 0000000000000000
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000790efc
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
instrument_atomic_read include/linux/instrumented.h:71 [inline]
test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
cpumask_test_cpu include/linux/cpumask.h:344 [inline]
cpu_online include/linux/cpumask.h:895 [inline]
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0xcc/0x4f0 kernel/locking/lockdep.c:5594
rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:312
rcu_read_lock include/linux/rcupdate.h:739 [inline]
BPF_PROG_RUN_ARRAY include/linux/bpf.h:1333 [inline]
trace_call_bpf+0x146/0x660 kernel/trace/bpf_trace.c:127
perf_trace_run_bpf_submit+0x7b/0x1d0 kernel/events/core.c:9987
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]
mntput_no_expire+0x1f9/0x770 fs/namespace.c:1181
__fput+0x665/0x8e0 fs/file_table.c:291
task_work_run+0x129/0x1a0 kernel/task_work.c:188
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
__syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f00fd797ff9
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:00007f00fbc10038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 00007f00fd94ff80 RCX: 00007f00fd797ff9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f00fd80a296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f00fd94ff80 R15: 00007ffc91919338
NMI backtrace for cpu 1
CPU: 1 PID: 14408 Comm: syz.1.3002 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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:1688 [inline]
__hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1752
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814
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:ipv6_get_ifaddr+0x1fc/0x750 net/ipv6/addrconf.c:2053
Code: 9e 38 01 00 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 d3 ae bb f8 48 8b 1b 48 89 d8 48 c1 e8 03 42 80 3c 20 00 <74> 08 48 89 df e8 ba ae bb f8 4c 8b 3b 49 8d 9f d8 05 00 00 48 89
RSP: 0018:ffffc90000dd0940 EFLAGS: 00000246
RAX: 1ffff1100ed84800 RBX: ffff888076c24000 RCX: ffff8880379a8000
RDX: 0000000000000100 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000dd0a40 R08: ffffffff890e759b R09: fffffbfff20e2419
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88804d6f4f80 R14: ffff88807d6c2400 R15: ffff88804d1de000
ndisc_send_rs+0x92/0x6a0 net/ipv6/ndisc.c:674
addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3959
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:rcu_lock_release+0x0/0x20 include/linux/rcupdate.h:316
Code: d6 ae f5 ff 48 c7 c7 60 fc 91 8c 31 f6 31 d2 b9 02 00 00 00 45 31 c0 45 31 c9 68 95 ab 8a 81 e8 96 01 d8 ff 48 83 c4 08 c3 90 ab ae f5 ff e8 a6 ae f5 ff 48 c7 c7 60 fc 91 8c 48 c7 c6 c5 ab
RSP: 0018:ffffc90003c97718 EFLAGS: 00000287
RAX: 0000000000000000 RBX: 1ffff92000792ef0 RCX: 0000000000040000
RDX: ffffc9000b549000 RSI: 00000000000007c9 RDI: 00000000000007ca
RBP: ffffc90003c97838 R08: ffffffff818a19ac R09: fffffbfff20e2419
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888068f9d1a8
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:9987
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
__mutex_unlock_slowpath+0xde/0x750 kernel/locking/mutex.c:851
perf_event_ctx_unlock kernel/events/core.c:1413 [inline]
perf_ioctl+0x1b9b/0x2580 kernel/events/core.c:5949
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl+0xf1/0x160 fs/ioctl.c:860
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: 0033:0x7f06858b8ff9
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:00007f0683d31038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0685a70f80 RCX: 00007f06858b8ff9
RDX: 0000000000000008 RSI: 0000000040042408 RDI: 0000000000000007
RBP: 00007f068592b296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0685a70f80 R15: 00007ffe784c02c8