------------[ cut here ]------------ WARNING: CPU: 1 PID: 4405 at kernel/events/core.c:6688 perf_sigtrap kernel/events/core.c:6688 [inline] WARNING: CPU: 1 PID: 4405 at kernel/events/core.c:6688 perf_pending_task+0x358/0x470 kernel/events/core.c:6800 Modules linked in: CPU: 1 PID: 4405 Comm: syz.2.27 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 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 48 48 de ff 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 34 48 de ff e8 57 8f 65 ff eb e5 e8 28 48 de ff <0f> 0b e9 f3 fe ff ff e8 1c 48 de ff 48 c7 c7 20 4c 3a 8c 4c 89 f6 RSP: 0018:ffffc9000346f9d8 EFLAGS: 00010293 RAX: ffffffff819aede8 RBX: ffff88805c1863d0 RCX: ffff88801d8bbb80 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000001 R08: ffff8880b913b30b R09: 1ffff11017227661 R10: dffffc0000000000 R11: ffffed1017227662 R12: ffff88801d8bbb80 R13: ffff888079b66d58 R14: ffff88805c1861a0 R15: 1ffff1100b830c34 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3db3a7cd58 CR3: 00000000726e9000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 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+0x626/0x20c0 kernel/exit.c:884 do_group_exit+0x12e/0x300 kernel/exit.c:998 get_signal+0x6d6/0x12d0 kernel/signal.c:2900 arch_do_signal_or_restart+0xe7/0x12c0 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 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f55f11a9e59 Code: Unable to access opcode bytes at RIP 0x7f55f11a9e2f. RSP: 002b:00007f55ef4030e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f55f1422fa8 RCX: 00007f55f11a9e59 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f55f1422fa8 RBP: 00007f55f1422fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f55f1423038 R14: 00007ffd7f21d0b0 R15: 00007ffd7f21d198