------------[ cut here ]------------
WARNING: CPU: 1 PID: 7369 at include/linux/sched/signal.h:548 restore_saved_sigmask_unless include/linux/sched/signal.h:548 [inline]
WARNING: CPU: 1 PID: 7369 at include/linux/sched/signal.h:548 poll_select_finish+0x71c/0x7e0 fs/select.c:301
Modules linked in:
CPU: 1 UID: 0 PID: 7369 Comm: syz.0.15 Not tainted 6.12.0-syzkaller-00237-g7b1d1d4cfac0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : restore_saved_sigmask_unless include/linux/sched/signal.h:548 [inline]
pc : poll_select_finish+0x71c/0x7e0 fs/select.c:301
lr : restore_saved_sigmask_unless include/linux/sched/signal.h:548 [inline]
lr : poll_select_finish+0x71c/0x7e0 fs/select.c:301
sp : ffff80009cf07b20
x29: ffff80009cf07c20 x28: dfff800000000000 x27: 0000000000000000
x26: ffff7000139e0f6c x25: 0000000000000002 x24: ffff80009cf07ce0
x23: 000000000000000c x22: ffff80009cf07ba0 x21: ffff0000d6663c80
x20: 000000000000000c x19: 00000000fffffdfe x18: 1fffe000366c8076
x17: ffff80008f8cd000 x16: ffff80008b47f808 x15: 0000000000000002
x14: 1ffff000139e0f74 x13: 0000000000000000 x12: 0000000000000000
x11: ffff7000139e0f76 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000d6663c80 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:548 [inline] (P)
 poll_select_finish+0x71c/0x7e0 fs/select.c:301 (P)
 restore_saved_sigmask_unless include/linux/sched/signal.h:548 [inline] (L)
 poll_select_finish+0x71c/0x7e0 fs/select.c:301 (L)
 __do_sys_ppoll fs/select.c:1122 [inline]
 __se_sys_ppoll fs/select.c:1101 [inline]
 __arm64_sys_ppoll+0x2d8/0x358 fs/select.c:1101
 __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: 866
hardirqs last  enabled at (865): [<ffff80008b545ee4>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline]
hardirqs last  enabled at (865): [<ffff80008b545ee4>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95
hardirqs last disabled at (866): [<ffff80008b54386c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (824): [<ffff80008020396c>] softirq_handle_end kernel/softirq.c:400 [inline]
softirqs last  enabled at (824): [<ffff80008020396c>] handle_softirqs+0xa38/0xbf8 kernel/softirq.c:582
softirqs last disabled at (763): [<ffff800080020db4>] __do_softirq+0x14/0x20 kernel/softirq.c:588
---[ end trace 0000000000000000 ]---