rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 GPs behind) idle=9ecc/1/0x4000000000000000 softirq=100003/100004 fqs=372
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P6598/3:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=134773, q=19 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 6618 Comm: syz-executor.0 Not tainted 6.7.0-syzkaller-00562-g9f8413c4a66f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:__lock_acquire+0x3b7/0x3b30 kernel/locking/lockdep.c:5074
Code: e2 12 81 e2 00 00 04 00 09 c8 c1 e3 13 09 d0 44 89 f2 c1 e2 14 09 d8 09 d0 8b 94 24 38 01 00 00 c1 e2 15 09 d0 41 8b 54 24 20 <81> e2 ff 1f 00 00 09 d0 48 89 fa 41 89 44 24 20 48 c1 ea 03 48 b8
RSP: 0018:ffffc900001f0ad0 EFLAGS: 00000006
RAX: 00000000000cc000 RBX: 0000000000080000 RCX: 0000000000000000
RDX: 00000000000c4000 RSI: ffff88803408e3e4 RDI: ffff88803408e474
RBP: 0000000000008000 R08: 0000000000000001 R09: 0000000000000001
R10: 000000000000000a R11: 0000000000000001 R12: ffff88803408e450
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f02ba12d6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb3d1d7e660 CR3: 000000004afa3000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire kernel/locking/lockdep.c:5754 [inline]
 lock_acquire+0x1ae/0x520 kernel/locking/lockdep.c:5719
 debug_objects_fill_pool lib/debugobjects.c:614 [inline]
 debug_object_activate+0x148/0x540 lib/debugobjects.c:704
 debug_hrtimer_activate kernel/time/hrtimer.c:422 [inline]
 debug_activate kernel/time/hrtimer.c:477 [inline]
 enqueue_hrtimer+0x23/0x310 kernel/time/hrtimer.c:1087
 __run_hrtimer kernel/time/hrtimer.c:1705 [inline]
 __hrtimer_run_queues+0xa12/0xc20 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+0x105/0x400 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x70 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 76 ef e3 f6 48 89 df e8 6e 67 e4 f6 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 c5 07 d6 f6 65 8b 05 d6 85 7f 75 85 c0 74 12 5b
RSP: 0018:ffffc90017e57ca0 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffff8880b982bf40 RCX: 1ffffffff23e451f
RDX: 0000000000000000 RSI: ffffffff8acca7a0 RDI: ffffffff8b2efec0
RBP: 0000000000000282 R08: 0000000000000001 R09: fffffbfff23e43e0
R10: ffffffff91f21f07 R11: 0000000000000002 R12: 0000000000000004
R13: 1bc16ba8da3edf5f R14: 0000000000000000 R15: dffffc0000000000
 clock_was_set+0x592/0x850 kernel/time/hrtimer.c:972
 do_settimeofday64+0x3b7/0x5c0 kernel/time/timekeeping.c:1345
 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+0x1bc/0x290 kernel/time/posix-timers.c:1113
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f02b947cd29
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:00007f02ba12d0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007f02b95abf80 RCX: 00007f02b947cd29
RDX: 0000000000000000 RSI: 0000000020000580 RDI: 0000000000000000
RBP: 00007f02b94c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f02b95abf80 R15: 00007ffdec56b168
 </TASK>
task:syz-executor.3  state:R  running task     stack:26464 pid:6598  tgid:6596  ppid:5107   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5399 [inline]
 __schedule+0xf12/0x5c00 kernel/sched/core.c:6726
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6903
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45
 __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
 _raw_spin_unlock+0x3a/0x40 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 filemap_map_pages+0xc83/0x1290 mm/filemap.c:3566
 do_fault_around mm/memory.c:4587 [inline]
 do_read_fault mm/memory.c:4620 [inline]
 do_fault mm/memory.c:4763 [inline]
 do_pte_missing mm/memory.c:3731 [inline]
 handle_pte_fault mm/memory.c:5039 [inline]
 __handle_mm_fault+0x25ac/0x3d70 mm/memory.c:5180
 handle_mm_fault+0x47a/0xa10 mm/memory.c:5345
 faultin_page mm/gup.c:956 [inline]
 __get_user_pages+0x4b2/0x1490 mm/gup.c:1239
 populate_vma_page_range+0x2d4/0x420 mm/gup.c:1677
 __mm_populate+0x1d7/0x380 mm/gup.c:1786
 mm_populate include/linux/mm.h:3379 [inline]
 vm_mmap_pgoff+0x2cd/0x3c0 mm/util.c:561
 ksys_mmap_pgoff+0x7d/0x5b0 mm/mmap.c:1425
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:93 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:86
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f1ee5e7cd29
RSP: 002b:00007f1ee6c790c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f1ee5fabf80 RCX: 00007f1ee5e7cd29
RDX: 0000000000000002 RSI: 0000000000ff5000 RDI: 0000000020000000
RBP: 00007f1ee5ec947a R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f1ee5fabf80 R15: 00007ffcec5fe208
 </TASK>
rcu: rcu_preempt kthread starved for 8788 jiffies! g134773 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:27904 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5399 [inline]
 __schedule+0xf12/0x5c00 kernel/sched/core.c:6726
 __schedule_loop kernel/sched/core.c:6801 [inline]
 schedule+0xe9/0x270 kernel/sched/core.c:6816
 schedule_timeout+0x137/0x290 kernel/time/timer.c:2183
 rcu_gp_fqs_loop+0x1ec/0xb10 kernel/rcu/tree.c:1631
 rcu_gp_kthread+0x24b/0x380 kernel/rcu/tree.c:1830
 kthread+0x2c6/0x3a0 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: 0 PID: 6617 Comm: syz-executor.0 Not tainted 6.7.0-syzkaller-00562-g9f8413c4a66f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:csd_lock_wait kernel/smp.c:311 [inline]
RIP: 0010:smp_call_function_many_cond+0x4e9/0x1550 kernel/smp.c:855
Code: 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 ae c6 0b 00 f3 90 41 0f b6 04 24 <40> 38 c5 7c 08 84 c0 0f 85 24 0e 00 00 8b 43 08 31 ff 83 e0 01 41
RSP: 0000:ffffc9000331fa18 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880b9942060 RCX: ffffffff817c0118
RDX: ffff88803ac18000 RSI: ffffffff817c00f2 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000003 R12: ffffed101732840d
R13: 0000000000000001 R14: ffff8880b9942068 R15: ffff8880b983dec0
FS:  0000555556375480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f02b95a5cf4 CR3: 000000004afa3000 CR4: 0000000000350ef0
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+0x28f/0x320 arch/x86/mm/tlb.c:1030
 flush_tlb_page arch/x86/include/asm/tlbflush.h:254 [inline]
 ptep_clear_flush+0x132/0x170 mm/pgtable-generic.c:101
 wp_page_copy mm/memory.c:3188 [inline]
 do_wp_page+0x1914/0x36b0 mm/memory.c:3511
 handle_pte_fault mm/memory.c:5055 [inline]
 __handle_mm_fault+0x1d7d/0x3d70 mm/memory.c:5180
 handle_mm_fault+0x47a/0xa10 mm/memory.c:5345
 do_user_addr_fault+0x30b/0x1030 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1507 [inline]
 exc_page_fault+0x5d/0xc0 arch/x86/mm/fault.c:1563
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7f02b9438bb0
Code: 89 1c 24 48 83 c4 28 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 84 00 00 00 00 00 41 89 c5 e9 7f fe ff ff 0f 1f 84 00 00 00 00 00 <43> 89 2c 8e e9 a5 fe ff ff 0f 1f 80 00 00 00 00 48 39 c3 74 99 48
RSP: 002b:00007ffdec56b1b0 EFLAGS: 00010246
RAX: 000000008178b73d RBX: 00007f02b95ac018 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000018151
RBP: 000000008178b73d R08: 0000001b32820000 R09: 000000000000173d
R10: 000000008178b741 R11: 00000000014a8c40 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f02b95a0000 R15: ffffffff8178be57
 </TASK>