rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...!: (1 ticks this GP) idle=bde4/1/0x4000000000000000 softirq=25481/25484 fqs=3
rcu: (detected by 1, t=10502 jiffies, g=33917, q=386 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 8318 Comm: syz-executor.3 Tainted: G W 6.10.0-rc2-next-20240604-syzkaller #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:get_current arch/x86/include/asm/current.h:49 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70 kernel/kcov.c:206
Code: 8b 3d 0c f8 45 0c 48 89 de 5b e9 03 76 5a 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0c 25 00 d5 03 00 65 8b 15 f0 49 6d 7e f7 c2 00 01 ff 00
RSP: 0018:ffffc90000007b98 EFLAGS: 00000046
RAX: ffffffff895da124 RBX: 0000000000000001 RCX: ffffffff895da0f1
RDX: ffff88805da0bc00 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000007c80 R08: ffffffff895da11a R09: 1ffff1100ba5522b
R10: dffffc0000000000 R11: ffffed100ba5522c R12: ffff88805d2a9000
R13: dffffc0000000000 R14: 1ffff92000000f78 R15: ffff88805d2a9300
FS: 0000555562497480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33521000 CR3: 00000000542da000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__netif_schedule+0xc4/0x310 net/core/dev.c:3133
advance_sched+0xaa9/0xca0 net/sched/sch_taprio.c:986
__run_hrtimer kernel/time/hrtimer.c:1687 [inline]
__hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1751
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 ce a1 64 f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 33 e5 cd f5 65 8b 05 d4 fc 6b 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc900099c7d20 EFLAGS: 00000206
RAX: 396353d5b7bf6200 RBX: 1ffff92001338fa8 RCX: ffffffff947ba803
RDX: dffffc0000000000 RSI: ffffffff8bcabee0 RDI: 0000000000000001
RBP: ffffc900099c7da8 R08: ffffffff8fadd32f R09: 1ffffffff1f5ba65
R10: dffffc0000000000 R11: fffffbfff1f5ba66 R12: dffffc0000000000
R13: 1ffff92001338fa4 R14: ffffc900099c7d40 R15: 0000000000000246
spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
alarm_try_to_cancel+0x131/0x3c0 kernel/time/alarmtimer.c:425
alarm_cancel+0x16/0x60 kernel/time/alarmtimer.c:442
timerfd_release+0x1b4/0x250 fs/timerfd.c:242
__fput+0x406/0x8b0 fs/file_table.c:422
__do_sys_close fs/open.c:1559 [inline]
__se_sys_close fs/open.c:1544 [inline]
__x64_sys_close+0x7f/0x110 fs/open.c:1544
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f427307be5a
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007ffc8e0191e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f427307be5a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: ffffffffffffffff R08: 00007f4273000000 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000293 R12: 00007f42731b3fa0
R13: 00007f42731b3fac R14: 0000000000000032 R15: 00007f42731b59a0
rcu: rcu_preempt kthread starved for 10496 jiffies! g33917 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:26448 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5192 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2029
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2231
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 8291 Comm: syz-executor.1 Tainted: G W 6.10.0-rc2-next-20240604-syzkaller #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:csd_lock_wait kernel/smp.c:311 [inline]
RIP: 0010:smp_call_function_many_cond+0x1865/0x29d0 kernel/smp.c:855
Code: 89 e6 83 e6 01 31 ff e8 f9 0c 0c 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 a4 08 0c 00 eb 38 f3 90 42 0f b6 04 23 <84> c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 88 08 0c 00 eb e4 44
RSP: 0018:ffffc9000edd7720 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 1ffff11017288c11 RCX: ffff888027dcda00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000edd7900 R08: ffffffff818a8247 R09: 1ffffffff25f84d8
R10: dffffc0000000000 R11: fffffbfff25f84d9 R12: dffffc0000000000
R13: ffff8880b9446088 R14: ffff8880b953f900 R15: 0000000000000000
FS: 0000555587095480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002090d000 CR3: 000000002d91c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1023
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:2069 [inline]
text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2279
text_poke_bp+0xb0/0x100 arch/x86/kernel/alternative.c:2506
__static_call_transform+0x51a/0x810 arch/x86/kernel/static_call.c:111
arch_static_call_transform+0x141/0x380 arch/x86/kernel/static_call.c:163
__static_call_update+0xd8/0x5e0 kernel/static_call_inline.c:147
tracepoint_update_call kernel/tracepoint.c:317 [inline]
tracepoint_remove_func kernel/tracepoint.c:441 [inline]
tracepoint_probe_unregister+0x8eb/0x990 kernel/tracepoint.c:551
bpf_raw_tp_link_release+0x45/0x70 kernel/bpf/syscall.c:3540
bpf_link_free+0x10e/0x2d0 kernel/bpf/syscall.c:3065
bpf_link_put_direct kernel/bpf/syscall.c:3106 [inline]
bpf_link_release+0x7b/0x90 kernel/bpf/syscall.c:3113
__fput+0x406/0x8b0 fs/file_table.c:422
__do_sys_close fs/open.c:1559 [inline]
__se_sys_close fs/open.c:1544 [inline]
__x64_sys_close+0x7f/0x110 fs/open.c:1544
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6fd4a7be5a
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007ffe9079bb70 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6fd4a7be5a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
RBP: 00007f6fd4bb59a0 R08: 0000001b2ed20000 R09: 7fffffffffffffff
R10: 000000000000006a R11: 0000000000000293 R12: 000000000003630b
R13: 00007f6fd4bb414c R14: 0000000000000032 R15: 00007f6fd4bb59a0