rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (10500 ticks this GP) idle=34fc/1/0x4000000000000000 softirq=22657/32922 fqs=0
rcu: 	(t=10501 jiffies g=26029 q=208 ncpus=2)
rcu: rcu_preempt kthread timer wakeup didn't happen for 10500 jiffies! g26029 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=14604
rcu: rcu_preempt kthread starved for 10501 jiffies! g26029 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:27680 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6837
 schedule_timeout+0x136/0x2a0 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2000
 rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2202
 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
 </TASK>
CPU: 0 PID: 6879 Comm: syz-executor.1 Not tainted 6.10.0-rc3-syzkaller-00022-gcea2a26553ac #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:csd_lock_wait kernel/smp.c:311 [inline]
RIP: 0010:smp_call_function_many_cond+0x4e7/0x1420 kernel/smp.c:855
Code: 0c 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 bb 37 0c 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 f7 0c 00 00 8b 43 08 31
RSP: 0018:ffffc90004237b80 EFLAGS: 00000246
RAX: 0000000000040000 RBX: ffff8880b9344980 RCX: ffffc9000356a000
RDX: 0000000000040000 RSI: ffffffff8181ad95 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: ffffed1017268931
R13: 0000000000000001 R14: ffff8880b9344988 R15: ffff8880b923fdc0
FS:  00007f80123986c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f80117ab910 CR3: 00000000253ee000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 clock_was_set+0x646/0x850 kernel/time/hrtimer.c:972
 do_settimeofday64+0x3b7/0x5d0 kernel/time/timekeeping.c:1348
 do_sys_settimeofday64+0x1dc/0x260 kernel/time/time.c:195
 __do_sys_clock_settime kernel/time/posix-timers.c:1129 [inline]
 __se_sys_clock_settime kernel/time/posix-timers.c:1113 [inline]
 __x64_sys_clock_settime+0x1bf/0x2a0 kernel/time/posix-timers.c:1113
 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: 0033:0x7f801167cea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f80123980c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007f80117b3f80 RCX: 00007f801167cea9
RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000000
RBP: 00007f80116ebff4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f80117b3f80 R15: 00007ffc5ff1a158
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 6849 Comm: syz-executor.3 Not tainted 6.10.0-rc3-syzkaller-00022-gcea2a26553ac #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:check_region_inline mm/kasan/generic.c:169 [inline]
RIP: 0010:kasan_check_range+0x150/0x1a0 mm/kasan/generic.c:189
Code: c0 01 49 89 d3 48 39 d0 74 11 80 38 00 74 ef 4d 8d 1c 2c 48 85 c0 48 89 c2 75 93 48 89 da 4c 89 d8 4c 29 da e9 2c ff ff ff 5b <b8> 01 00 00 00 5d 41 5c c3 cc cc cc cc b8 01 00 00 00 c3 cc cc cc
RSP: 0018:ffffc90000a18a70 EFLAGS: 00000046
RAX: fffffbfff284dc59 RBX: 0000000000000001 RCX: ffffffff816ae5ae
RDX: fffffbfff284dc59 RSI: 0000000000000008 RDI: ffffffff9426e2c0
RBP: fffffbfff284dc58 R08: 0000000000000000 R09: fffffbfff284dc58
R10: ffffffff9426e2c7 R11: 0000000000000004 R12: ffffed10055c615b
R13: 0000000000000001 R14: ffff88802ae30b80 R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32591000 CR3: 000000005ec98000 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+0x4e/0x130 kernel/locking/lockdep.c:228
 __lock_acquire+0xc5d/0x3b30 kernel/locking/lockdep.c:5134
 lock_acquire kernel/locking/lockdep.c:5754 [inline]
 lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
 debug_object_activate+0x199/0x540 lib/debugobjects.c:708
 debug_hrtimer_activate kernel/time/hrtimer.c:423 [inline]
 debug_activate kernel/time/hrtimer.c:478 [inline]
 enqueue_hrtimer+0x25/0x3c0 kernel/time/hrtimer.c:1085
 __run_hrtimer kernel/time/hrtimer.c:1704 [inline]
 __hrtimer_run_queues+0xaac/0xcc0 kernel/time/hrtimer.c:1751
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1813
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:200
Code: be b0 01 00 00 e8 a0 ff ff ff 31 c0 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 65 48 8b 15 e4 f3 75 7e 65 8b 05 e5 f3 75 7e a9 00 01
RSP: 0018:ffffc900030777e8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81c321a1
RDX: ffff88802ae30000 RSI: 0000000000000000 RDI: 0000000000000007
RBP: ffffea00019ec180 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffea00019ec180
 arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
 page_fixed_fake_head include/linux/page-flags.h:208 [inline]
 page_is_fake_head include/linux/page-flags.h:240 [inline]
 PageTail include/linux/page-flags.h:284 [inline]
 const_folio_flags+0x4f/0x1f0 include/linux/page-flags.h:312
 folio_test_unevictable include/linux/page-flags.h:596 [inline]
 folio_inc_refs mm/swap.c:421 [inline]
 folio_mark_accessed+0x9f/0xb20 mm/swap.c:466
 zap_present_folio_ptes mm/memory.c:1490 [inline]
 zap_present_ptes mm/memory.c:1570 [inline]
 zap_pte_range mm/memory.c:1612 [inline]
 zap_pmd_range mm/memory.c:1730 [inline]
 zap_pud_range mm/memory.c:1759 [inline]
 zap_p4d_range mm/memory.c:1780 [inline]
 unmap_page_range+0x124f/0x41e0 mm/memory.c:1801
 unmap_single_vma+0x194/0x2b0 mm/memory.c:1847
 unmap_vmas+0x22f/0x490 mm/memory.c:1891
 exit_mmap+0x1b8/0xb20 mm/mmap.c:3341
 __mmput+0x12a/0x4d0 kernel/fork.c:1346
 mmput+0x62/0x70 kernel/fork.c:1368
 exit_mm kernel/exit.c:565 [inline]
 do_exit+0x9b7/0x2ba0 kernel/exit.c:861
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1023
 __do_sys_exit_group kernel/exit.c:1034 [inline]
 __se_sys_exit_group kernel/exit.c:1032 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1032
 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: 0033:0x7fc61f47cea9
Code: Unable to access opcode bytes at 0x7fc61f47ce7f.
RSP: 002b:00007ffc10c15d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc61f47cea9
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000001e00000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007ffc10c15e70 R15: 0000000000000001
 </TASK>