rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P6851/1:b..l
rcu: (detected by 0, t=10502 jiffies, g=23733, q=544 ncpus=2)
task:syz-executor.5 state:R running task stack:24664 pid:6851 tgid:6851 ppid:6507 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6746
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7068
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_is_held_type+0x13b/0x190
Code: 75 44 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 42 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc90004e7f188 EFLAGS: 00000206
RAX: 1ff3c06d59e6ec00 RBX: 0000000000000001 RCX: 0000000080000000
RDX: 0000000000000000 RSI: ffffffff8bcaca20 RDI: ffffffff8c1f9760
RBP: 0000000000000000 R08: ffffffff820643fe R09: 1ffffffff25e68a0
R10: dffffc0000000000 R11: fffffbfff25e68a1 R12: 0000000000000246
R13: ffff8880239e3c00 R14: 00000000ffffffff R15: ffffffff8e334d20
lookup_page_ext mm/page_ext.c:240 [inline]
page_ext_get+0x192/0x2a0 mm/page_ext.c:509
__set_page_owner+0x99/0x810 mm/page_owner.c:327
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1534
prep_new_page mm/page_alloc.c:1541 [inline]
get_page_from_freelist+0x3410/0x35b0 mm/page_alloc.c:3317
__alloc_pages+0x256/0x6c0 mm/page_alloc.c:4575
alloc_pages_mpol+0x3e8/0x680 mm/mempolicy.c:2264
vm_area_alloc_pages mm/vmalloc.c:3561 [inline]
__vmalloc_area_node mm/vmalloc.c:3637 [inline]
__vmalloc_node_range+0x9a4/0x1490 mm/vmalloc.c:3818
alloc_thread_stack_node kernel/fork.c:309 [inline]
dup_task_struct+0x3e9/0x7d0 kernel/fork.c:1115
copy_process+0x5d1/0x3df0 kernel/fork.c:2220
kernel_clone+0x226/0x8f0 kernel/fork.c:2797
__do_sys_clone3 kernel/fork.c:3098 [inline]
__se_sys_clone3+0x2cb/0x350 kernel/fork.c:3082
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f767e8a9c99
RSP: 002b:00007ffe52d81ff8 EFLAGS: 00000202 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f767e852380 RCX: 00007f767e8a9c99
RDX: 00007f767e852380 RSI: 0000000000000058 RDI: 00007ffe52d82040
RBP: 00007f767f6386c0 R08: 00007f767f6386c0 R09: 00007ffe52d82127
R10: 0000000000000008 R11: 0000000000000202 R12: ffffffffffffffb0
R13: 000000000000000b R14: 00007ffe52d82040 R15: 00007ffe52d82128
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g23733 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=1 timer-softirq=9853
rcu: rcu_preempt kthread starved for 10502 jiffies! g23733 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:26256 pid:16 tgid:16 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2582
rcu_gp_fqs_loop+0x2df/0x1370 kernel/rcu/tree.c:1663
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1862
kthread+0x2f2/0x390 kernel/kthread.c:388
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
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: 6854 Comm: syz-executor.5 Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x88/0x140 kernel/locking/spinlock.c:194
Code: b8 f1 f1 f1 f1 00 f3 f3 f3 4b 89 44 25 00 48 83 c7 18 48 8b 75 08 e8 27 f9 e7 f5 48 89 df e8 3f 39 e9 f5 41 f7 c7 00 02 00 00 <74> 05 e8 01 96 12 f6 4c 89 f3 48 c1 eb 03 42 80 3c 23 00 74 08 4c
RSP: 0018:ffffc90000a08ba0 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffffffff949340e0 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff949340e0
RBP: ffffc90000a08c30 R08: ffffffff949340e3 R09: 1ffffffff292681c
R10: dffffc0000000000 R11: fffffbfff292681d R12: dffffc0000000000
R13: 1ffff92000141174 R14: ffffc90000a08bc0 R15: 0000000000000046
FS: 00007f767f67a6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f767f638d58 CR3: 0000000060bb4000 CR4: 0000000000350ef0
Call Trace:
debug_object_deactivate+0x2d5/0x390 lib/debugobjects.c:778
debug_hrtimer_deactivate kernel/time/hrtimer.c:428 [inline]
debug_deactivate+0x1b/0x220 kernel/time/hrtimer.c:484
__run_hrtimer kernel/time/hrtimer.c:1660 [inline]
__hrtimer_run_queues+0x30f/0xd50 kernel/time/hrtimer.c:1756
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1818
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x112/0x3f0 arch/x86/kernel/apic/apic.c:1049
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 2e bb 6f f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 b3 fe da f5 65 8b 05 24 2b 79 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc90004457900 EFLAGS: 00000206
RAX: 19855033af000a00 RBX: 1ffff9200088af24 RCX: ffffffff8172edda
RDX: dffffc0000000000 RSI: ffffffff8bcab8a0 RDI: 0000000000000001
RBP: ffffc90004457990 R08: ffffffff92f34507 R09: 1ffffffff25e68a0
R10: dffffc0000000000 R11: fffffbfff25e68a1 R12: dffffc0000000000
R13: 1ffff9200088af20 R14: ffffc90004457920 R15: 0000000000000246
clock_was_set+0x6a4/0x830 kernel/time/hrtimer.c:973
timekeeping_inject_offset+0x4e8/0x580 kernel/time/timekeeping.c:1396
do_adjtimex+0x515/0xab0 kernel/time/timekeeping.c:2445
do_clock_adjtime kernel/time/posix-timers.c:1159 [inline]
__do_sys_clock_adjtime kernel/time/posix-timers.c:1171 [inline]
__se_sys_clock_adjtime kernel/time/posix-timers.c:1162 [inline]
__x64_sys_clock_adjtime+0x1e3/0x290 kernel/time/posix-timers.c:1162
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f767e87dea9
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:00007f767f67a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007f767e9abf80 RCX: 00007f767e87dea9
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000
RBP: 00007f767e8ca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f767e9abf80 R15: 00007ffe52d82128