------------[ cut here ]------------ WARNING: CPU: 1 PID: 7601 at kernel/signal.c:2050 posixtimer_send_sigqueue+0x7ac/0xa40 Modules linked in: CPU: 1 UID: 0 PID: 7601 Comm: syz.3.343 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 : ffff8000a19578e0 x29: ffff8000a1957990 x28: dfff800000000000 x27: ffff8000a1957940 x26: ffff0000d3f2a018 x25: ffff0000d3f2a0c0 x24: ffff0000d3f2a000 x23: ffff0000c68ddac0 x22: ffff0000d3f2a0a4 x21: 1fffe0001a7e5414 x20: ffff0000d3f2a0d8 x19: 1fffe0001a7e5403 x18: 0000000000000000 x17: 0000000000000000 x16: ffff800083276af4 x15: ffff70001432aef4 x14: 1ffff00011f420ca x13: dfff800000000000 x12: 000000002bccd77a x11: 0000000000080000 x10: 0000000000000152 x9 : 40423666d7bc3200 x8 : ffff0000cf170788 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: 338 hardirqs last enabled at (337): [] local_daif_restore+0x1c/0x3c arch/arm64/include/asm/daifflags.h:75 hardirqs last disabled at (338): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (338): [] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:162 softirqs last enabled at (332): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (330): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---