rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 ticks this GP) idle=99b/1/0x4000000000000000 softirq=12681/12681 fqs=0 
	(detected by 0, t=10506 jiffies, g=12185, q=1304)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4168 Comm: syz-executor Not tainted 5.15.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:__lock_release kernel/locking/lockdep.c:5311 [inline]
RIP: 0010:lock_release+0x2a7/0x9a0 kernel/locking/lockdep.c:5643
Code: 00 83 3b 00 0f 85 19 04 00 00 4d 8d 67 20 4c 89 e3 48 c1 eb 03 42 0f b6 04 33 84 c0 48 8b 34 24 0f 85 fe 04 00 00 45 8b 2c 24 <41> 81 fd 00 00 10 00 72 2e 41 81 c5 00 00 f0 ff 48 b8 00 00 00 00
RSP: 0018:ffffc90000dd0b80 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 1ffff11004c2317b RCX: ffffc90000dd0c03
RDX: 0000000000000005 RSI: ffff888026118ae8 RDI: ffff888026118bb8
RBP: ffffc90000dd0cb0 R08: dffffc0000000000 R09: fffffbfff1bd2d3e
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888026118bd8
R13: 00000000000a4015 R14: dffffc0000000000 R15: ffff888026118bb8
FS:  000055557f2ae500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa3e791d6c0 CR3: 0000000064be2000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 advance_sched+0x7d4/0x940 net/sched/sch_taprio.c:771
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:kasan_check_range+0x3/0x290 mm/kasan/generic.c:188
Code: 48 89 c7 e8 9f c5 6a 08 31 c0 c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc 55 41 57 <41> 56 53 b0 01 48 85 f6 0f 84 9a 01 00 00 48 89 fd 48 01 f5 0f 82
RSP: 0018:ffffc90002eb75c8 EFLAGS: 00000246
RAX: ffffffff81b8436b RBX: ffffea00019318c0 RCX: ffffffff81b84381
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffea00019318f4
RBP: ffffc90002eb7950 R08: ffffffff81b84359 R09: fffff94000326311
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffd4000326319
R13: ffffea00019318f4 R14: 1ffff1100c97d89d R15: ffffea00019318c8
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline]
 page_ref_count include/linux/page_ref.h:67 [inline]
 get_page include/linux/mm.h:1213 [inline]
 copy_present_pte mm/memory.c:965 [inline]
 copy_pte_range mm/memory.c:1081 [inline]
 copy_pmd_range mm/memory.c:1167 [inline]
 copy_pud_range mm/memory.c:1204 [inline]
 copy_p4d_range mm/memory.c:1228 [inline]
 copy_page_range+0x1741/0x4420 mm/memory.c:1301
 dup_mmap kernel/fork.c:615 [inline]
 dup_mm kernel/fork.c:1466 [inline]
 copy_mm+0xc64/0x1370 kernel/fork.c:1518
 copy_process+0x1816/0x3ef0 kernel/fork.c:2205
 kernel_clone+0x210/0x960 kernel/fork.c:2603
 __do_sys_clone kernel/fork.c:2720 [inline]
 __se_sys_clone kernel/fork.c:2704 [inline]
 __x64_sys_clone+0x23f/0x290 kernel/fork.c:2704
 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: 0033:0x7fa3e6c2d093
Code: 1f 84 00 00 00 00 00 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 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffd1c12af18 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa3e6c2d093
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 000055557f2ae7d0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000016345 R14: 0000000000016002 R15: 00007ffd1c12b0a0
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10505 jiffies! g12185 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=6351
rcu: rcu_preempt kthread starved for 10506 jiffies! g12185 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:26168 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5027 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
 schedule+0x11b/0x1f0 kernel/sched/core.c:6456
 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:287
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4168 Comm: syz-executor Not tainted 5.15.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:__kasan_check_write+0x6/0x10 mm/kasan/shadow.c:37
Code: c7 c7 8f b7 1b 8c 4c 89 fe e8 66 f5 68 08 31 db eb d7 cc cc 89 f6 48 8b 0c 24 31 d2 e9 63 ef ff ff 0f 1f 00 89 f6 48 8b 0c 24 <ba> 01 00 00 00 e9 50 ef ff ff 55 41 56 53 48 89 d3 41 89 f6 48 89
RSP: 0018:ffffc90000dd0bd8 EFLAGS: 00000056
RAX: 0000000000000001 RBX: dffffc0000000000 RCX: ffffffff8164331a
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90000dd0c40
RBP: ffffc90000dd0cb0 R08: dffffc0000000000 R09: ffffed1017225441
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b912a200
R13: 1ffff920001ba188 R14: ffffc90000dd0c40 R15: 1ffff11017225441
FS:  000055557f2ae500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa3e791d6c0 CR3: 0000000064be2000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
 atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:512 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:82 [inline]
 do_raw_spin_lock+0x14a/0x370 kernel/locking/spinlock_debug.c:115
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:129 [inline]
 _raw_spin_lock_irq+0xdb/0x110 kernel/locking/spinlock.c:170
 __run_hrtimer kernel/time/hrtimer.c:1692 [inline]
 __hrtimer_run_queues+0x662/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:kasan_check_range+0x3/0x290 mm/kasan/generic.c:188
Code: 48 89 c7 e8 9f c5 6a 08 31 c0 c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc 55 41 57 <41> 56 53 b0 01 48 85 f6 0f 84 9a 01 00 00 48 89 fd 48 01 f5 0f 82
RSP: 0018:ffffc90002eb75c8 EFLAGS: 00000246
RAX: ffffffff81b8436b RBX: ffffea00019318c0 RCX: ffffffff81b84381
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffea00019318f4
RBP: ffffc90002eb7950 R08: ffffffff81b84359 R09: fffff94000326311
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffd4000326319
R13: ffffea00019318f4 R14: 1ffff1100c97d89d R15: ffffea00019318c8
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline]
 page_ref_count include/linux/page_ref.h:67 [inline]
 get_page include/linux/mm.h:1213 [inline]
 copy_present_pte mm/memory.c:965 [inline]
 copy_pte_range mm/memory.c:1081 [inline]
 copy_pmd_range mm/memory.c:1167 [inline]
 copy_pud_range mm/memory.c:1204 [inline]
 copy_p4d_range mm/memory.c:1228 [inline]
 copy_page_range+0x1741/0x4420 mm/memory.c:1301
 dup_mmap kernel/fork.c:615 [inline]
 dup_mm kernel/fork.c:1466 [inline]
 copy_mm+0xc64/0x1370 kernel/fork.c:1518
 copy_process+0x1816/0x3ef0 kernel/fork.c:2205
 kernel_clone+0x210/0x960 kernel/fork.c:2603
 __do_sys_clone kernel/fork.c:2720 [inline]
 __se_sys_clone kernel/fork.c:2704 [inline]
 __x64_sys_clone+0x23f/0x290 kernel/fork.c:2704
 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: 0033:0x7fa3e6c2d093
Code: 1f 84 00 00 00 00 00 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 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffd1c12af18 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa3e6c2d093
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 000055557f2ae7d0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000016345 R14: 0000000000016002 R15: 00007ffd1c12b0a0
 </TASK>