rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (1 ticks this GP) idle=a5cc/1/0x4000000000000000 softirq=27486/27486 fqs=2
(detected by 0, t=10502 jiffies, g=34977, q=271 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: kauditd Not tainted 6.1.77-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:__lock_acquire+0xf3a/0x1f80
Code: 00 48 09 dd 83 3d 2d 17 09 0d 00 4c 8b 7c 24 30 45 89 ee 4c 8b 6c 24 48 0f 85 1a 03 00 00 48 83 7c 24 40 00 0f 84 63 02 00 00 <48> 8b 44 24 20 48 8d 58 f8 48 89 d8 48 c1 e8 03 0f b6 04 38 84 c0
RSP: 0018:ffffc900001e09e0 EFLAGS: 00000002
RAX: 0000000000000000 RBX: 00000000b596d9f6 RCX: 00000000850731df
RDX: 00000000adfc73c4 RSI: 00000000ea5ae9b5 RDI: dffffc0000000000
RBP: 2e4489edb596d9f6 R08: dffffc0000000000 R09: fffffbfff2092245
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888013a66418
R13: ffff888013a65940 R14: 0000000000000000 R15: 1ffff1100274cc92
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffd0ab3dd8 CR3: 000000003dc2a000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
debug_object_activate+0x68/0x4e0 lib/debugobjects.c:697
debug_hrtimer_activate kernel/time/hrtimer.c:420 [inline]
debug_activate kernel/time/hrtimer.c:475 [inline]
enqueue_hrtimer+0x30/0x390 kernel/time/hrtimer.c:1084
__run_hrtimer kernel/time/hrtimer.c:1702 [inline]
__hrtimer_run_queues+0x728/0xe50 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
__sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:console_emit_next_record+0xc69/0xea0 kernel/printk/printk.c:2751
Code: 00 e8 3b 2f 1c 00 44 0f b6 74 24 1f 4d 85 e4 75 07 e8 2b 2f 1c 00 eb 06 e8 24 2f 1c 00 fb 48 c7 84 24 a0 00 00 00 0e 36 e0 45 <42> c7 04 2b 00 00 00 00 4a c7 44 2b 0a 00 00 00 00 4a c7 44 2b 12
RSP: 0018:ffffc90000a3f760 EFLAGS: 00000293
RAX: ffffffff816e4bfc RBX: dffffc0000000000 RCX: ffff888013a65940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a3fa10 R08: ffffffff816e4bd7 R09: fffffbfff2092245
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000200
R13: 1ffff92000147f00 R14: 0000000000000001 R15: 0000000000000000
console_unlock+0x278/0x7c0 kernel/printk/printk.c:2871
vprintk_emit+0x523/0x740 kernel/printk/printk.c:2268
_printk+0xd1/0x111 kernel/printk/printk.c:2293
kauditd_printk_skb kernel/audit.c:547 [inline]
kauditd_hold_skb+0x1b8/0x200 kernel/audit.c:582
kauditd_send_queue+0x2a3/0x2f0 kernel/audit.c:767
kauditd_thread+0x758/0x990 kernel/audit.c:891
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
rcu: rcu_preempt kthread starved for 10497 jiffies! g34977 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:26136 pid:16 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1935
rcu_gp_fqs_loop+0x2d2/0x1120 kernel/rcu/tree.c:1706
rcu_gp_kthread+0xa3/0x3a0 kernel/rcu/tree.c:1905
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 PID: 7754 Comm: syz-executor.3 Not tainted 6.1.77-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:csd_lock_wait kernel/smp.c:424 [inline]
RIP: 0010:smp_call_function_single+0x4a3/0x2680 kernel/smp.c:787
Code: b6 04 23 84 c0 0f 85 70 01 00 00 45 8b 2e 44 89 ee 83 e6 01 31 ff e8 1c 8d 0b 00 41 83 e5 01 75 07 e8 b1 89 0b 00 eb 3e f3 90 <42> 0f b6 04 23 84 c0 75 10 41 f7 06 01 00 00 00 74 25 e8 96 89 0b
RSP: 0018:ffffc90004d07800 EFLAGS: 00000293
RAX: ffffffff817ef18a RBX: 1ffff920009a0f1d RCX: ffff8880878e1dc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90004d07b68 R08: ffffffff817ef164 R09: fffff520009a0ec9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc90004d078e8 R15: 0000000000000000
FS: 000055555567e480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff289fddd58 CR3: 000000007b0ca000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_barrier+0x323/0x5f0 kernel/rcu/tree.c:4070
kvm_mmu_uninit_vm+0x20/0x50 arch/x86/kvm/mmu/mmu.c:6034
kvm_arch_destroy_vm+0x3a3/0x430 arch/x86/kvm/x86.c:12642
kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1336 [inline]
kvm_put_kvm+0xcfc/0x18a0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1370
kvm_vm_release+0x42/0x50 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1393
__fput+0x3b7/0x890 fs/file_table.c:320
task_work_run+0x246/0x300 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:171
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:297
do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7f1387cc9a
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:00007fffd82be990 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f7f1387cc9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 0000000000000032 R08: 0000001b33920000 R09: 00000000000000e6
R10: 00000000813291ad R11: 0000000000000293 R12: 00007f7f13400198
R13: ffffffffffffffff R14: 00007f7f13400000 R15: 00000000000767ea
watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [syz-executor.3:7754]
Modules linked in:
irq event stamp: 53382
hardirqs last enabled at (53381): [] asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
hardirqs last disabled at (53382): [] sysvec_apic_timer_interrupt+0xa/0xb0 arch/x86/kernel/apic/apic.c:1106
softirqs last enabled at (4914): [] invoke_softirq kernel/softirq.c:445 [inline]
softirqs last enabled at (4914): [] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:650
softirqs last disabled at (4875): [] invoke_softirq kernel/softirq.c:445 [inline]
softirqs last disabled at (4875): [] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:650
CPU: 0 PID: 7754 Comm: syz-executor.3 Not tainted 6.1.77-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:csd_lock_wait kernel/smp.c:424 [inline]
RIP: 0010:smp_call_function_single+0x4a3/0x2680 kernel/smp.c:787
Code: b6 04 23 84 c0 0f 85 70 01 00 00 45 8b 2e 44 89 ee 83 e6 01 31 ff e8 1c 8d 0b 00 41 83 e5 01 75 07 e8 b1 89 0b 00 eb 3e f3 90 <42> 0f b6 04 23 84 c0 75 10 41 f7 06 01 00 00 00 74 25 e8 96 89 0b
RSP: 0018:ffffc90004d07800 EFLAGS: 00000293
RAX: ffffffff817ef18a RBX: 1ffff920009a0f1d RCX: ffff8880878e1dc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90004d07b68 R08: ffffffff817ef164 R09: fffff520009a0ec9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc90004d078e8 R15: 0000000000000000
FS: 000055555567e480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff289fddd58 CR3: 000000007b0ca000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_barrier+0x323/0x5f0 kernel/rcu/tree.c:4070
kvm_mmu_uninit_vm+0x20/0x50 arch/x86/kvm/mmu/mmu.c:6034
kvm_arch_destroy_vm+0x3a3/0x430 arch/x86/kvm/x86.c:12642
kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1336 [inline]
kvm_put_kvm+0xcfc/0x18a0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1370
kvm_vm_release+0x42/0x50 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1393
__fput+0x3b7/0x890 fs/file_table.c:320
task_work_run+0x246/0x300 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:171
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:297
do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7f1387cc9a
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:00007fffd82be990 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f7f1387cc9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 0000000000000032 R08: 0000001b33920000 R09: 00000000000000e6
R10: 00000000813291ad R11: 0000000000000293 R12: 00007f7f13400198
R13: ffffffffffffffff R14: 00007f7f13400000 R15: 00000000000767ea
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: kauditd Not tainted 6.1.77-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:203
Code: e8 25 00 00 00 0f 0b 0f 1f 00 53 48 89 fb e8 17 00 00 00 48 8b 3d c8 ca e8 0c 48 89 de 5b e9 57 96 56 00 cc cc cc cc cc cc cc <48> 8b 04 24 65 48 8b 0d 14 f4 77 7e 65 8b 15 15 f4 77 7e f7 c2 00
RSP: 0018:ffffc900001e0d20 EFLAGS: 00000046
RAX: ffffffff8179ac8a RBX: 0000000000000000 RCX: ffff888013a65940
RDX: 0000000000000000 RSI: ffff8880b992a5c0 RDI: ffff88807ace6340
RBP: 0000000000000000 R08: ffffffff8179ac80 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8880b992a5c0 R14: ffff88807ace6340 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffd0ab3dd8 CR3: 000000003dc2a000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
enqueue_hrtimer+0x21/0x390 kernel/time/hrtimer.c:1083
__run_hrtimer kernel/time/hrtimer.c:1702 [inline]
__hrtimer_run_queues+0x728/0xe50 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
__sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:console_emit_next_record+0xc69/0xea0 kernel/printk/printk.c:2751
Code: 00 e8 3b 2f 1c 00 44 0f b6 74 24 1f 4d 85 e4 75 07 e8 2b 2f 1c 00 eb 06 e8 24 2f 1c 00 fb 48 c7 84 24 a0 00 00 00 0e 36 e0 45 <42> c7 04 2b 00 00 00 00 4a c7 44 2b 0a 00 00 00 00 4a c7 44 2b 12
RSP: 0018:ffffc90000a3f760 EFLAGS: 00000293
RAX: ffffffff816e4bfc RBX: dffffc0000000000 RCX: ffff888013a65940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a3fa10 R08: ffffffff816e4bd7 R09: fffffbfff2092245
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000200
R13: 1ffff92000147f00 R14: 0000000000000001 R15: 0000000000000000
console_unlock+0x278/0x7c0 kernel/printk/printk.c:2871
vprintk_emit+0x523/0x740 kernel/printk/printk.c:2268
_printk+0xd1/0x111 kernel/printk/printk.c:2293
kauditd_printk_skb kernel/audit.c:547 [inline]
kauditd_hold_skb+0x1b8/0x200 kernel/audit.c:582
kauditd_send_queue+0x2a3/0x2f0 kernel/audit.c:767
kauditd_thread+0x758/0x990 kernel/audit.c:891
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306