------------[ cut here ]------------ WARNING: CPU: 0 PID: 10957 at kernel/signal.c:2050 posixtimer_send_sigqueue+0x7ac/0xa40 Modules linked in: CPU: 0 UID: 0 PID: 10957 Comm: syz.0.1815 Not tainted 6.13.0-rc7-syzkaller-g1950a0af2d55 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 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 : ffff80009c9778e0 x29: ffff80009c977990 x28: dfff800000000000 x27: ffff80009c977940 x26: ffff0000d047a798 x25: ffff0000d047a840 x24: ffff0000d047a780 x23: ffff0000da571e40 x22: ffff0000d047a824 x21: 1fffe0001a08f504 x20: ffff0000d047a858 x19: 1fffe0001a08f4f3 x18: 0000000000000000 x17: 0000000000000000 x16: ffff800083276af4 x15: ffff70001392eef4 x14: 1ffff00011f420ca x13: dfff800000000000 x12: 00000000eb8cd594 x11: 0000000000080000 x10: 0000000000000152 x9 : d1144f4fe9f5a200 x8 : ffff0000d0c436c8 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 cpu_timer_fire kernel/time/posix-cpu-timers.c:607 [inline] posix_cpu_timer_set+0x828/0xbd0 kernel/time/posix-cpu-timers.c:735 do_timer_settime+0x2d8/0x3c8 kernel/time/posix-timers.c:899 __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: 204 hardirqs last enabled at (203): [] local_daif_restore+0x1c/0x3c arch/arm64/include/asm/daifflags.h:75 hardirqs last disabled at (204): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (204): [] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:162 softirqs last enabled at (198): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (196): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---