rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...0: (1 GPs behind) idle=3d9c/1/0x4000000000000000 softirq=34384/34385 fqs=1098
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:        0          0            0
rcu: 	cputime:        0          0            0   ==> 52500(ms)
rcu: 	(detected by 1, t=10503 jiffies, g=60233, q=995 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: kauditd Not tainted 6.6.0-rc6-next-20231019-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:__run_hrtimer kernel/time/hrtimer.c:1657 [inline]
RIP: 0010:__hrtimer_run_queues+0x4ee/0xc00 kernel/time/hrtimer.c:1752
Code: e8 57 4d 68 00 48 0f a3 1d 0f 57 56 0d 0f 92 c3 31 ff 89 de e8 b3 54 11 00 84 db 0f 85 e7 04 00 00 e8 76 59 11 00 8b 44 24 40 <48> 89 04 24 48 c1 e0 07 49 8d 84 06 c8 00 00 00 48 89 c2 48 89 44
RSP: 0018:ffffc90000007e30 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81778fd1
RDX: ffff888019e73b80 RSI: ffffffff81778ada RDI: 0000000000000001
RBP: 000000000003bccc R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: dffffc0000000000 R12: ffff8880b982ba40
R13: ffff88802a883340 R14: ffff8880b982b940 R15: ffffffff886c7df0
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555562ff8f8 CR3: 0000000017b0d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x10c/0x400 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:console_flush_all+0xa0b/0xd50 kernel/printk/printk.c:2966
Code: e8 5a 90 23 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 d8 d2 1c 00 48 85 db 0f 85 74 01 00 00 e8 3a d7 1c 00 fb 48 8b 04 24 <4c> 89 fa 83 e2 07 0f b6 00 38 d0 7f 08 84 c0 0f 85 4b 02 00 00 41
RSP: 0018:ffffc90000a4fa98 EFLAGS: 00000293
RAX: fffff52000149f7a RBX: 0000000000000000 RCX: ffffffff816c0d08
RDX: ffff888019e73b80 RSI: ffffffff816c0d16 RDI: 0000000000000007
RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 205d383254202020 R12: 0000000000000000
R13: ffffffff8d6e5198 R14: ffffffff8d6e5140 R15: ffffc90000a4fbd0
 console_unlock+0x10c/0x260 kernel/printk/printk.c:3029
 vprintk_emit+0x17f/0x5f0 kernel/printk/printk.c:2304
 vprintk+0x7b/0x90 kernel/printk/printk_safe.c:45
 _printk+0xc8/0x100 kernel/printk/printk.c:2329
 kauditd_printk_skb kernel/audit.c:535 [inline]
 kauditd_hold_skb+0x1fb/0x240 kernel/audit.c:570
 kauditd_send_queue+0x229/0x280 kernel/audit.c:755
 kauditd_thread+0x61e/0xa80 kernel/audit.c:879
 kthread+0x337/0x440 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
rcu: rcu_preempt kthread starved for 4835 jiffies! g60233 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:28672 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0xee3/0x5a10 kernel/sched/core.c:6680
 __schedule_loop kernel/sched/core.c:6757 [inline]
 schedule+0xe5/0x270 kernel/sched/core.c:6772
 schedule_timeout+0x156/0x2b0 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:1626
 rcu_gp_kthread+0x243/0x380 kernel/rcu/tree.c:1825
 kthread+0x337/0x440 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 4503 Comm: udevd Not tainted 6.6.0-rc6-next-20231019-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:csd_lock_wait kernel/smp.c:311 [inline]
RIP: 0010:smp_call_function_many_cond+0x4c1/0x1560 kernel/smp.c:855
Code: 0b 00 85 ed 74 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 f4 4c 89 f5 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 51 c4 0b 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 4b 0e 00 00 8b 43 08 31
RSP: 0018:ffffc9000318f808 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880b98441e0 RCX: ffffffff817d2025
RDX: ffff88807ca70000 RSI: ffffffff817d1fff RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffed101730883d
R13: 0000000000000001 R14: ffff8880b98441e8 R15: ffff8880b993d900
FS:  00007f8c906cdc80(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30e40000 CR3: 0000000017b0d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1023
 __flush_tlb_multi arch/x86/include/asm/paravirt.h:87 [inline]
 flush_tlb_multi arch/x86/mm/tlb.c:944 [inline]
 flush_tlb_mm_range+0x38a/0x580 arch/x86/mm/tlb.c:1030
 dup_mmap+0xfac/0x1d80 kernel/fork.c:774
 dup_mm kernel/fork.c:1691 [inline]
 copy_mm kernel/fork.c:1740 [inline]
 copy_process+0x6c8c/0x7470 kernel/fork.c:2502
 kernel_clone+0xfd/0x940 kernel/fork.c:2907
 __do_sys_clone+0xba/0x100 kernel/fork.c:3050
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f8c902fca12
Code: 41 5d 41 5e 41 5f c3 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 10 48 8b 15 e7 43 0f 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffedcd18b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000559b58c14301 RCX: 00007f8c902fca12
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000559b58c0c910
R10: 00007f8c906cdf50 R11: 0000000000000246 R12: 0000559b58c33ea0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000559b58c0c910
 </TASK>
watchdog: BUG: soft lockup - CPU#1 stuck for 185s! [udevd:4503]
Modules linked in:
irq event stamp: 6940136
hardirqs last  enabled at (6940135): [<ffffffff8a60138a>] asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
hardirqs last disabled at (6940136): [<ffffffff8a487cfe>] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1076
softirqs last  enabled at (6940130): [<ffffffff81505925>] invoke_softirq kernel/softirq.c:427 [inline]
softirqs last  enabled at (6940130): [<ffffffff81505925>] __irq_exit_rcu kernel/softirq.c:632 [inline]
softirqs last  enabled at (6940130): [<ffffffff81505925>] irq_exit_rcu+0xb5/0x120 kernel/softirq.c:644
softirqs last disabled at (6940031): [<ffffffff81505925>] invoke_softirq kernel/softirq.c:427 [inline]
softirqs last disabled at (6940031): [<ffffffff81505925>] __irq_exit_rcu kernel/softirq.c:632 [inline]
softirqs last disabled at (6940031): [<ffffffff81505925>] irq_exit_rcu+0xb5/0x120 kernel/softirq.c:644
CPU: 1 PID: 4503 Comm: udevd Not tainted 6.6.0-rc6-next-20231019-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:csd_lock_wait kernel/smp.c:311 [inline]
RIP: 0010:smp_call_function_many_cond+0x4c1/0x1560 kernel/smp.c:855
Code: 0b 00 85 ed 74 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 f4 4c 89 f5 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 51 c4 0b 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 4b 0e 00 00 8b 43 08 31
RSP: 0018:ffffc9000318f808 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880b98441e0 RCX: ffffffff817d2025
RDX: ffff88807ca70000 RSI: ffffffff817d1fff RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffed101730883d
R13: 0000000000000001 R14: ffff8880b98441e8 R15: ffff8880b993d900
FS:  00007f8c906cdc80(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30e40000 CR3: 0000000017b0d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1023
 __flush_tlb_multi arch/x86/include/asm/paravirt.h:87 [inline]
 flush_tlb_multi arch/x86/mm/tlb.c:944 [inline]
 flush_tlb_mm_range+0x38a/0x580 arch/x86/mm/tlb.c:1030
 dup_mmap+0xfac/0x1d80 kernel/fork.c:774
 dup_mm kernel/fork.c:1691 [inline]
 copy_mm kernel/fork.c:1740 [inline]
 copy_process+0x6c8c/0x7470 kernel/fork.c:2502
 kernel_clone+0xfd/0x940 kernel/fork.c:2907
 __do_sys_clone+0xba/0x100 kernel/fork.c:3050
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f8c902fca12
Code: 41 5d 41 5e 41 5f c3 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 10 48 8b 15 e7 43 0f 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffedcd18b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000559b58c14301 RCX: 00007f8c902fca12
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000559b58c0c910
R10: 00007f8c906cdf50 R11: 0000000000000246 R12: 0000559b58c33ea0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000559b58c0c910
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: kauditd Not tainted 6.6.0-rc6-next-20231019-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:kasan_mem_to_shadow include/linux/kasan.h:61 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:127 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:178 [inline]
RIP: 0010:kasan_check_range+0x57/0x190 mm/kasan/generic.c:187
Code: f8 0f 83 b3 00 00 00 4c 8d 54 37 ff 48 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 d1 48 c1 ed 03 49 c1 e9 03 48 01 c5 49 01 c1 <48> 89 e8 49 8d 59 01 48 89 da 48 29 ea 48 83 fa 10 0f 8e 89 00 00
RSP: 0018:ffffc90000007af0 EFLAGS: 00000082
RAX: dffffc0000000000 RBX: 0000000000000006 RCX: ffffffff8168e2e6
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff91a04e40
RBP: fffffbfff23409c8 R08: 0000000000000000 R09: fffffbfff23409c8
R10: ffffffff91a04e47 R11: dffffc0000000000 R12: 0000000000000040
R13: ffff888019e74690 R14: 0000000000000000 R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555562ff8f8 CR3: 0000000017b0d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 hlock_class kernel/locking/lockdep.c:228 [inline]
 __lock_acquire+0x1606/0x5dc0 kernel/locking/lockdep.c:5132
 lock_acquire kernel/locking/lockdep.c:5753 [inline]
 lock_acquire+0x1b1/0x530 kernel/locking/lockdep.c:5718
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 advance_sched+0xd5/0xc60 net/sched/sch_taprio.c:935
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x20c/0xc00 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x10c/0x400 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:console_flush_all+0xa0b/0xd50 kernel/printk/printk.c:2966
Code: e8 5a 90 23 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 d8 d2 1c 00 48 85 db 0f 85 74 01 00 00 e8 3a d7 1c 00 fb 48 8b 04 24 <4c> 89 fa 83 e2 07 0f b6 00 38 d0 7f 08 84 c0 0f 85 4b 02 00 00 41
RSP: 0018:ffffc90000a4fa98 EFLAGS: 00000293
RAX: fffff52000149f7a RBX: 0000000000000000 RCX: ffffffff816c0d08
RDX: ffff888019e73b80 RSI: ffffffff816c0d16 RDI: 0000000000000007
RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 205d383254202020 R12: 0000000000000000
R13: ffffffff8d6e5198 R14: ffffffff8d6e5140 R15: ffffc90000a4fbd0
 console_unlock+0x10c/0x260 kernel/printk/printk.c:3029
 vprintk_emit+0x17f/0x5f0 kernel/printk/printk.c:2304
 vprintk+0x7b/0x90 kernel/printk/printk_safe.c:45
 _printk+0xc8/0x100 kernel/printk/printk.c:2329
 kauditd_printk_skb kernel/audit.c:535 [inline]
 kauditd_hold_skb+0x1fb/0x240 kernel/audit.c:570
 kauditd_send_queue+0x229/0x280 kernel/audit.c:755
 kauditd_thread+0x61e/0xa80 kernel/audit.c:879
 kthread+0x337/0x440 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>