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WARNING: CPU: 0 PID: 6671 at kernel/signal.c:2050 posixtimer_send_sigqueue+0x7ac/0xa40
Modules linked in:
CPU: 0 UID: 0 PID: 6671 Comm: syz.3.37 Not tainted 6.13.0-rc7-syzkaller-g1950a0af2d55 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : posixtimer_send_sigqueue+0x7ac/0xa40
lr : posixtimer_send_sigqueue+0x2dc/0xa40 kernel/signal.c:2005
sp : ffff800080007ac0
x29: ffff800080007b70 x28: dfff800000000000 x27: ffff800080007b20
x26: ffff0000ce20e018 x25: ffff0000ce20e0c0 x24: ffff0000ce20e000
x23: ffff0000cff5dac0 x22: ffff0000ce20e0a4 x21: 1fffe00019c41c14
x20: ffff0000ce20e0d8 x19: 1fffe00019c41c03 x18: 0000000000000000
x17: ffff800123ef8000 x16: ffff80008327a354 x15: ffff700010000f30
x14: 1ffff00011f340ca x13: dfff800000000000 x12: 0000000052e41357
x11: 000000001401cc54 x10: 0000000000ff0100 x9 : c7f8af4efca0e100
x8 : ffff0000d07e36c8 x7 : ffff80008032fa2c x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000000 x1 : 0000000000002000 x0 : 0000000000000001
Call trace:
 posixtimer_send_sigqueue+0x7ac/0xa40 (P)
 posix_timer_queue_signal+0xe4/0x12c kernel/time/posix-timers.c:308
 alarm_handle_timer+0x38/0x68 kernel/time/alarmtimer.c:537
 alarmtimer_fired+0x15c/0x524 kernel/time/alarmtimer.c:205
 __run_hrtimer kernel/time/hrtimer.c:1739 [inline]
 __hrtimer_run_queues+0x47c/0xca4 kernel/time/hrtimer.c:1803
 hrtimer_interrupt+0x2bc/0xb58 kernel/time/hrtimer.c:1865
 timer_handler drivers/clocksource/arm_arch_timer.c:674 [inline]
 arch_timer_handler_virt+0x74/0x88 drivers/clocksource/arm_arch_timer.c:685
 handle_percpu_devid_irq+0x174/0x308 kernel/irq/chip.c:942
 generic_handle_irq_desc include/linux/irqdesc.h:173 [inline]
 handle_irq_desc kernel/irq/irqdesc.c:714 [inline]
 generic_handle_domain_irq+0x7c/0xc4 kernel/irq/irqdesc.c:770
 __gic_handle_irq drivers/irqchip/irq-gic-v3.c:865 [inline]
 __gic_handle_irq_from_irqson drivers/irqchip/irq-gic-v3.c:916 [inline]
 gic_handle_irq+0x6c/0x190 drivers/irqchip/irq-gic-v3.c:960
 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:891
 do_interrupt_handler+0xd4/0x138 arch/arm64/kernel/entry-common.c:310
 __el1_irq arch/arm64/kernel/entry-common.c:560 [inline]
 el1_interrupt+0x34/0x68 arch/arm64/kernel/entry-common.c:575
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:580
 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:596
 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline] (P)
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:195 [inline] (P)
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] (P)
 _raw_spin_unlock_irqrestore+0x44/0x98 kernel/locking/spinlock.c:194 (P)
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 unlock_timer kernel/time/posix-timers.c:128 [inline]
 do_timer_settime+0x364/0x3c8 kernel/time/posix-timers.c:908
 __do_sys_timer_settime kernel/time/posix-timers.c:928 [inline]
 __se_sys_timer_settime kernel/time/posix-timers.c:914 [inline]
 __arm64_sys_timer_settime+0x180/0x224 kernel/time/posix-timers.c:914
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 228
hardirqs last  enabled at (227): [<ffff80008b6cd25c>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (227): [<ffff80008b6cd25c>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (228): [<ffff80008b6a8e34>] __el1_irq arch/arm64/kernel/entry-common.c:557 [inline]
hardirqs last disabled at (228): [<ffff80008b6a8e34>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:575
softirqs last  enabled at (220): [<ffff800080129934>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (218): [<ffff800080129900>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---