------------[ cut here ]------------ WARNING: CPU: 1 PID: 24861 at kernel/events/core.c:6688 perf_sigtrap kernel/events/core.c:6688 [inline] WARNING: CPU: 1 PID: 24861 at kernel/events/core.c:6688 perf_pending_task+0x358/0x470 kernel/events/core.c:6800 Modules linked in: CPU: 1 PID: 24861 Comm: syz.6.6276 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:perf_sigtrap kernel/events/core.c:6688 [inline] RIP: 0010:perf_pending_task+0x358/0x470 kernel/events/core.c:6800 Code: ff 84 db 75 14 e8 78 a0 de ff 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 64 a0 de ff e8 a7 50 67 ff eb e5 e8 58 a0 de ff <0f> 0b e9 f3 fe ff ff e8 4c a0 de ff 48 c7 c7 00 20 1a 8c 4c 89 f6 RSP: 0018:ffffc90002e3f9f8 EFLAGS: 00010293 RAX: ffffffff819929f8 RBX: ffff888065c2c5f8 RCX: ffff88802b9f1dc0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000001 R08: dffffc0000000000 R09: fffffbfff1ad32b6 R10: fffffbfff1ad32b6 R11: 1ffffffff1ad32b5 R12: ffff88802b9f1dc0 R13: ffff88802abaf558 R14: ffff888065c2c3c8 R15: 1ffff1100cb85879 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f54653badac CR3: 0000000055b01000 CR4: 00000000003506e0 DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: task_work_run+0x125/0x1a0 kernel/task_work.c:188 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0x61e/0x20a0 kernel/exit.c:883 do_group_exit+0x12e/0x300 kernel/exit.c:997 get_signal+0x6ca/0x12c0 kernel/signal.c:2900 arch_do_signal_or_restart+0xc1/0x1300 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:154 [inline] exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:178 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214 irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:320 exc_page_fault+0x88/0x100 arch/x86/mm/fault.c:1504 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606 RIP: 0033:0x7f66552c3ed1 Code: Unable to access opcode bytes at RIP 0x7f66552c3ea7. RSP: 002b:00000000fffffeb0 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 00007f665551afa0 RCX: 00007f66552c3ec9 RDX: 0000000000000000 RSI: 00000000fffffeb0 RDI: 0000000002000400 RBP: 00007f6655346f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 00007f665551b038 R14: 00007f665551afa0 R15: 00007ffd2a921f68