rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (1 GPs behind) idle=7f94/1/0x4000000000000000 softirq=70748/70749 fqs=19
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P16355
rcu: (detected by 0, t=10502 jiffies, g=42881, q=965 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 16355 Comm: syz.2.2356 Not tainted 6.13.0-rc2-syzkaller-00362-g2d8308bf5b67 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:122 [inline]
RIP: 0010:lock_release+0x13e/0x6f0 kernel/locking/lockdep.c:5862
Code: 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 50 05 00 00 <41> 8b b6 dc 0a 00 00 85 f6 0f 85 8e 02 00 00 48 b8 00 00 00 00 00
RSP: 0018:ffffc90000a18c20 EFLAGS: 00000046
RAX: 0000000000000007 RBX: 1ffff92000143186 RCX: ffffffff8176a9e9
RDX: 0000000000000000 RSI: ffffffff8bd1e7e0 RDI: ffff8880320aaf1c
RBP: ffffffff905f5f74 R08: 0000000000000000 R09: fffffbfff20be58a
R10: ffffffff905f2c57 R11: 0000000000000002 R12: ffffffff9aa9c050
R13: ffff888033d75340 R14: ffff8880320aa440 R15: ffffffff9aa9c030
FS: 00007f374e0dd6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c34a498 CR3: 0000000034020000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:149 [inline]
_raw_spin_unlock_irqrestore+0x1a/0x80 kernel/locking/spinlock.c:194
debug_object_activate+0x2e6/0x4a0 lib/debugobjects.c:836
debug_hrtimer_activate kernel/time/hrtimer.c:428 [inline]
debug_activate kernel/time/hrtimer.c:469 [inline]
enqueue_hrtimer+0x25/0x3c0 kernel/time/hrtimer.c:1076
__run_hrtimer kernel/time/hrtimer.c:1756 [inline]
__hrtimer_run_queues+0x903/0xae0 kernel/time/hrtimer.c:1803
hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1865
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:finish_task_switch.isra.0+0x220/0xcc0 kernel/sched/core.c:5243
Code: a9 0a 00 00 44 8b 0d 83 91 f6 0e 45 85 c9 0f 85 c0 01 00 00 48 89 df e8 ae f8 ff ff e8 19 e7 38 00 fb 65 48 8b 1d f0 0a 9b 7e <48> 8d bb f8 15 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0018:ffffc9000456f628 EFLAGS: 00000206
RAX: 0000000000000cbd RBX: ffff8880320aa440 RCX: 1ffffffff20bdd41
RDX: 0000000000000000 RSI: ffffffff8b6cd860 RDI: ffffffff8bd1e860
RBP: ffffc9000456f670 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff905f2c57 R11: 0000000000000001 R12: ffff8880b873f9e0
R13: ffff8880320a8000 R14: 0000000000000000 R15: ffff8880b863ebc0
context_switch kernel/sched/core.c:5372 [inline]
__schedule+0xe60/0x5ad0 kernel/sched/core.c:6756
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7078
irqentry_exit+0x36/0x90 kernel/entry/common.c:354
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:__sanitizer_cov_trace_pc+0x56/0x70 kernel/kcov.c:222
Code: 00 f0 00 75 35 8b 82 1c 16 00 00 85 c0 74 2b 8b 82 f8 15 00 00 83 f8 02 75 20 48 8b 8a 00 16 00 00 8b 92 fc 15 00 00 48 8b 01 <48> 83 c0 01 48 39 d0 73 07 48 89 01 48 89 34 c1 c3 cc cc cc cc 0f
RSP: 0018:ffffc9000456f8f8 EFLAGS: 00000246
RAX: 00000000000002f8 RBX: 0000000000000004 RCX: ffffc90010b69000
RDX: 0000000000080000 RSI: ffffffff845b5d8b RDI: 0000000000000005
RBP: ffff88802271a900 R08: 0000000000000005 R09: 000000000000017f
R10: 0000000000000004 R11: 0000000000000000 R12: ffff88802271a908
R13: 0000000000000600 R14: ffffc9000456fca0 R15: dffffc0000000000
ebitmap_next_positive security/selinux/ss/ebitmap.h:79 [inline]
ebitmap_next_positive security/selinux/ss/ebitmap.h:67 [inline]
context_struct_compute_av+0xbbb/0x1270 security/selinux/ss/services.c:654
security_compute_av+0x48f/0xfd0 security/selinux/ss/services.c:1146
avc_compute_av+0x86/0x5c0 security/selinux/avc.c:986
avc_perm_nonode+0xaa/0x170 security/selinux/avc.c:1110
avc_has_perm_noaudit+0x2d2/0x3a0 security/selinux/avc.c:1153
avc_has_perm+0xc1/0x1c0 security/selinux/avc.c:1188
selinux_socket_create+0x20c/0x560 security/selinux/hooks.c:4654
security_socket_create+0x22d/0x260 security/security.c:4550
__sock_create+0x8e/0x8d0 net/socket.c:1513
sock_create net/socket.c:1616 [inline]
__sys_socket_create net/socket.c:1653 [inline]
__sys_socket+0x14f/0x260 net/socket.c:1700
__do_sys_socket net/socket.c:1714 [inline]
__se_sys_socket net/socket.c:1712 [inline]
__x64_sys_socket+0x72/0xb0 net/socket.c:1712
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f374d385d19
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:00007f374e0dd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f374d576160 RCX: 00007f374d385d19
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000010
RBP: 00007f374d401a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f374d576160 R15: 00007fff497776b8
task:syz.2.2356 state:R running task stack:26608 pid:16355 tgid:16346 ppid:5812 flags:0x0000400c
Call Trace:
rcu: rcu_preempt kthread starved for 10255 jiffies! g42881 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:27600 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
schedule_timeout+0x124/0x280 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2045
rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2247
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 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: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.13.0-rc2-syzkaller-00362-g2d8308bf5b67 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:92 [inline]
RIP: 0010:acpi_safe_halt+0x1a/0x20 drivers/acpi/processor_idle.c:112
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 65 48 8b 05 b8 95 da 74 48 8b 00 a8 08 75 0c 66 90 0f 00 2d 48 3c b4 00 fb f4 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffffff8de07d70 EFLAGS: 00000246
RAX: 0000000000004000 RBX: 0000000000000001 RCX: ffffffff8b292679
RDX: 0000000000000001 RSI: ffff8880216f8000 RDI: ffff8880216f8064
RBP: ffff8880216f8064 R08: 0000000000000001 R09: ffffed10170c6fed
R10: ffff8880b8637f6b R11: 0000000000000000 R12: ffff88801e717000
R13: ffffffff8ee16120 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c27d5d6 CR3: 000000004ed2c000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
acpi_idle_enter+0xc5/0x160 drivers/acpi/processor_idle.c:699
cpuidle_enter_state+0xaa/0x4f0 drivers/cpuidle/cpuidle.c:268
cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:389
cpuidle_idle_call kernel/sched/idle.c:230 [inline]
do_idle+0x310/0x3f0 kernel/sched/idle.c:325
cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:423
rest_init+0x16b/0x2b0 init/main.c:747
start_kernel+0x3e4/0x4d0 init/main.c:1102
x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507
x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488
common_startup_64+0x13e/0x148