rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...!: (1 GPs behind) idle=7664/1/0x4000000000000000 softirq=32806/32807 fqs=9
rcu: (detected by 1, t=10505 jiffies, g=43081, q=604 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 10251 Comm: syz-executor.0 Not tainted 6.9.0-rc4-next-20240417-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:26 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x11/0x70 kernel/kcov.c:207
Code: 5b e9 03 de 59 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 60 77 6d 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74
RSP: 0018:ffffc90000007c88 EFLAGS: 00000002
RAX: ffffffff8990583a RBX: 0000000000000001 RCX: ffff88807c7cda00
RDX: ffff88807c7cda00 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff8990582d R09: fffff52000000f80
R10: dffffc0000000000 R11: fffff52000000f80 R12: 0000000000000002
R13: ffffffff89905660 R14: ffff88805fb48330 R15: ffff88807fddb800
FS: 00007f83121696c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020004040 CR3: 000000005fb3c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
advance_sched+0x1da/0xca0 net/sched/sch_taprio.c:929
__run_hrtimer kernel/time/hrtimer.c:1692 [inline]
__hrtimer_run_queues+0x5a5/0xd50 kernel/time/hrtimer.c:1756
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1818
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 3e 48 6a f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 43 74 d4 f5 65 8b 05 94 6b 72 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc90013e67b60 EFLAGS: 00000206
RAX: 33728fed6cb59700 RBX: 1ffff920027ccf70 RCX: ffffffff817324ba
RDX: dffffc0000000000 RSI: ffffffff8bcab360 RDI: 0000000000000001
RBP: ffffc90013e67bf0 R08: ffffffff92f7d5a7 R09: 1ffffffff25efab4
R10: dffffc0000000000 R11: fffffbfff25efab5 R12: dffffc0000000000
R13: 1ffff920027ccf6c R14: ffffc90013e67b80 R15: 0000000000000246
clock_was_set+0x6a4/0x830 kernel/time/hrtimer.c:973
do_settimeofday64+0x488/0x650 kernel/time/timekeeping.c:1348
__do_sys_clock_settime kernel/time/posix-timers.c:1129 [inline]
__se_sys_clock_settime kernel/time/posix-timers.c:1113 [inline]
__x64_sys_clock_settime+0x23a/0x280 kernel/time/posix-timers.c:1113
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f831147dea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f83121690c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007f83115abf80 RCX: 00007f831147dea9
RDX: 0000000000000000 RSI: 0000000020004040 RDI: 0000000000000000
RBP: 00007f83114ca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f83115abf80 R15: 00007ffdb2dddaf8
rcu: rcu_preempt kthread starved for 10460 jiffies! g43081 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:26320 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
rcu_gp_fqs_loop+0x2df/0x1370 kernel/rcu/tree.c:2030
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2232
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: 10260 Comm: syz-executor.1 Not tainted 6.9.0-rc4-next-20240417-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:csd_lock_wait kernel/smp.c:311 [inline]
RIP: 0010:smp_call_function_many_cond+0x1894/0x2a00 kernel/smp.c:855
Code: 45 8b 65 00 44 89 e6 83 e6 01 31 ff e8 d5 f0 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 80 ec 0b 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 64 ec
RSP: 0018:ffffc900147973e0 EFLAGS: 00000246
RAX: ffffffff818a712c RBX: 1ffff11017288c89 RCX: 0000000000040000
RDX: ffffc90005341000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc900147975e0 R08: ffffffff818a70fb R09: 1ffffffff25efab4
R10: dffffc0000000000 R11: fffffbfff25efab5 R12: dffffc0000000000
R13: ffff8880b9446448 R14: ffff8880b953f900 R15: 0000000000000000
FS: 00007f673c1c36c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3999188000 CR3: 000000002c3e6000 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_add_func+0x918/0x9e0 kernel/tracepoint.c:358
tracepoint_probe_register_prio_may_exist+0x122/0x190 kernel/tracepoint.c:482
bpf_raw_tp_link_attach+0x48b/0x6e0 kernel/bpf/syscall.c:3861
bpf_raw_tracepoint_open+0x1c2/0x240 kernel/bpf/syscall.c:3892
__sys_bpf+0x3c0/0x810 kernel/bpf/syscall.c:5706
__do_sys_bpf kernel/bpf/syscall.c:5771 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5769 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5769
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f673b47dea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f673c1c30c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f673b5abf80 RCX: 00007f673b47dea9
RDX: 0000000000000010 RSI: 0000000020000080 RDI: 0000000000000011
RBP: 00007f673b4ca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f673b5abf80 R15: 00007ffc15e347e8