------------[ cut here ]------------
WARNING: CPU: 0 PID: 7212 at ./include/linux/sched/signal.h:551 restore_saved_sigmask_unless include/linux/sched/signal.h:551 [inline]
WARNING: CPU: 0 PID: 7212 at ./include/linux/sched/signal.h:551 poll_select_finish+0x584/0x614 fs/select.c:301
Modules linked in:
CPU: 0 UID: 0 PID: 7212 Comm: syz.0.15 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : restore_saved_sigmask_unless include/linux/sched/signal.h:551 [inline]
pc : poll_select_finish+0x584/0x614 fs/select.c:301
lr : restore_saved_sigmask_unless include/linux/sched/signal.h:551 [inline]
lr : poll_select_finish+0x584/0x614 fs/select.c:301
sp : ffff80009c297b60
x29: ffff80009c297c40 x28: 0000000000000018 x27: dfff800000000000
x26: ffff80009c297b80 x25: ffff700013852f70 x24: 0000000000000018
x23: ffff80009c297ce0 x22: 0000000000000002 x21: ffff0000dda65c40
x20: 0000000000000000 x19: 00000000fffffdfe x18: 1fffe000337d6e90
x17: ffff80008f59e000 x16: ffff80008ad68dc8 x15: 0000000000000002
x14: 1ffff00013852f78 x13: 0000000000000000 x12: 0000000000000000
x11: ffff700013852f7a x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000dda65c40 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000000 x3 : 0000000000000010
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 restore_saved_sigmask_unless include/linux/sched/signal.h:551 [inline] (P)
 poll_select_finish+0x584/0x614 fs/select.c:301 (P)
 __do_sys_ppoll fs/select.c:1116 [inline]
 __se_sys_ppoll fs/select.c:1095 [inline]
 __arm64_sys_ppoll+0x22c/0x2a8 fs/select.c:1095
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
irq event stamp: 276
hardirqs last  enabled at (275): [<ffff80008adfd1e0>] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214
hardirqs last disabled at (276): [<ffff80008adf762c>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412
softirqs last  enabled at (254): [<ffff8000803d9408>] softirq_handle_end kernel/softirq.c:468 [inline]
softirqs last  enabled at (254): [<ffff8000803d9408>] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650
softirqs last disabled at (233): [<ffff800080022024>] __do_softirq+0x14/0x20 kernel/softirq.c:656
---[ end trace 0000000000000000 ]---