rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (1 GPs behind) idle=209/1/0x4000000000000000 softirq=15929/15932 fqs=17
(detected by 0, t=10502 jiffies, g=20533, q=178)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4511 Comm: syz-executor.3 Not tainted 5.15.160-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:arch_atomic_try_cmpxchg arch/x86/include/asm/atomic.h:202 [inline]
RIP: 0010:atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:513 [inline]
RIP: 0010:queued_spin_lock include/asm-generic/qspinlock.h:82 [inline]
RIP: 0010:do_raw_spin_lock+0x150/0x370 kernel/locking/spinlock_debug.c:115
Code: 00 00 c7 44 24 60 00 00 00 00 4c 89 e7 be 04 00 00 00 e8 f3 0a 66 00 4c 89 f7 be 04 00 00 00 e8 e6 0a 66 00 41 0f b6 44 1d 00 <84> c0 48 89 da 0f 85 89 01 00 00 8b 44 24 60 b9 01 00 00 00 f0 41
RSP: 0018:ffffc90000dd0be0 EFLAGS: 00000097
RAX: 0000000000000004 RBX: dffffc0000000000 RCX: ffffffff8164218a
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90000dd0c40
RBP: ffffc90000dd0cb0 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff888076732ae8
R13: 1ffff920001ba188 R14: ffffc90000dd0c40 R15: 1ffff1100ece655e
FS: 0000555556cc3480(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe7d2befe8 CR3: 000000006279a000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
spin_lock include/linux/spinlock.h:363 [inline]
advance_sched+0x47/0x940 net/sched/sch_taprio.c:716
__run_hrtimer kernel/time/hrtimer.c:1686 [inline]
__hrtimer_run_queues+0x598/0xcf0 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+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:PagePoisoned include/linux/page-flags.h:218 [inline]
RIP: 0010:page_to_nid include/linux/mm.h:1378 [inline]
RIP: 0010:page_pgdat include/linux/mm.h:1553 [inline]
RIP: 0010:memcg_slab_post_alloc_hook mm/slab.h:322 [inline]
RIP: 0010:slab_post_alloc_hook+0x26e/0x380 mm/slab.h:526
Code: ff e8 06 58 00 00 48 8b 43 38 48 85 c0 74 0b 89 c1 83 e1 01 0f 84 ed 00 00 00 a8 02 0f 85 f6 00 00 00 48 83 e0 fc 4e 89 3c e8 <48> 8b 03 48 83 f8 ff 0f 84 f2 00 00 00 48 c1 e8 3a 48 8b 34 c5 50
RSP: 0018:ffffc9000416fce0 EFLAGS: 00000286
RAX: ffff888075383b00 RBX: ffffea0001c08a00 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8a8b3c20 RDI: ffffffff8ad8f6c0
RBP: 0000000000000a01 R08: dffffc0000000000 R09: fffffbfff1bc8cce
R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000000a
R13: 0000000000000013 R14: 0000000000000000 R15: ffff88805d5bfe00
slab_alloc_node mm/slub.c:3220 [inline]
slab_alloc mm/slub.c:3228 [inline]
kmem_cache_alloc+0xf3/0x280 mm/slub.c:3233
sock_alloc_inode+0x17/0xb0 net/socket.c:303
alloc_inode fs/inode.c:236 [inline]
new_inode_pseudo+0x60/0x210 fs/inode.c:937
sock_alloc net/socket.c:626 [inline]
__sock_create+0x11f/0x8d0 net/socket.c:1450
sock_create net/socket.c:1537 [inline]
__sys_socket+0x132/0x370 net/socket.c:1579
__do_sys_socket net/socket.c:1588 [inline]
__se_sys_socket net/socket.c:1586 [inline]
__x64_sys_socket+0x76/0x80 net/socket.c:1586
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: 0033:0x7f0d6619cc67
Code: f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 29 00 00 00 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:00007ffd7a4af798 EFLAGS: 00000206 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f0d6629f1a0 RCX: 00007f0d6619cc67
RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 00007ffd7a4afedc R08: 0000000000000000 R09: 00007ffd7a4afbc7
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000032
R13: 0000000000025555 R14: 0000000000000000 R15: 0000000000000003
rcu: rcu_preempt kthread starved for 10468 jiffies! g20533 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:26168 pid: 15 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
schedule+0x11b/0x1f0 kernel/sched/core.c:6459
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:300
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 0
CPU: 0 PID: 5933 Comm: syz-executor.4 Not tainted 5.15.160-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
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_check_gp_kthread_starvation+0x1d2/0x240 kernel/rcu/tree_stall.h:487
print_other_cpu_stall+0x137a/0x14d0 kernel/rcu/tree_stall.h:592
check_cpu_stall kernel/rcu/tree_stall.h:745 [inline]
rcu_pending kernel/rcu/tree.c:3932 [inline]
rcu_sched_clock_irq+0xa38/0x1150 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+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline]
RIP: 0010:smp_call_function_many_cond+0xa93/0xd90 kernel/smp.c:969
Code: 04 03 84 c0 0f 85 84 00 00 00 45 8b 7d 00 44 89 fe 83 e6 01 31 ff e8 4c cf 0b 00 41 83 e7 01 75 07 e8 e1 cb 0b 00 eb 41 f3 90 <48> b8 00 00 00 00 00 fc ff df 0f b6 04 03 84 c0 75 11 41 f7 45 00
RSP: 0018:ffffc90002dd7780 EFLAGS: 00000293
RAX: ffffffff81749104 RBX: 1ffff110173680b9 RCX: ffff888021695940
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90002dd78c0 R08: ffffffff817490d4 R09: fffffbfff1f7f019
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff8880b9b405c8 R14: ffff8880b9a3b3c0 R15: 0000000000000001
on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1135
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:1207 [inline]
text_poke_bp_batch+0x2b4/0x930 arch/x86/kernel/alternative.c:1407
text_poke_bp+0xc8/0x140 arch/x86/kernel/alternative.c:1644
__static_call_transform+0x333/0x560 arch/x86/kernel/static_call.c:110
arch_static_call_transform+0xb7/0x250 arch/x86/kernel/static_call.c:156
__static_call_update+0xd4/0x5c0 kernel/static_call_inline.c:136
tracepoint_update_call kernel/tracepoint.c:317 [inline]
tracepoint_remove_func kernel/tracepoint.c:441 [inline]
tracepoint_probe_unregister+0x8df/0x980 kernel/tracepoint.c:551
bpf_raw_tp_link_release+0x5f/0x80 kernel/bpf/syscall.c:2900
bpf_link_free kernel/bpf/syscall.c:2471 [inline]
bpf_link_put+0x234/0x2c0 kernel/bpf/syscall.c:2497
bpf_link_release+0x37/0x40 kernel/bpf/syscall.c:2505
__fput+0x3bf/0x890 fs/file_table.c:280
task_work_run+0x129/0x1a0 kernel/task_work.c:164
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: 0033:0x7f314fbe7dda
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:00007ffc0cac5fe0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f314fbe7dda
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f314fd21980 R08: 0000001b2ed20000 R09: 0000000000000010
R10: 0000000000000016 R11: 0000000000000293 R12: 000000000002571b
R13: 00007f314fd201fc R14: 0000000000000032 R15: 00007f314fd21980