------------[ cut here ]------------ WARNING: CPU: 0 PID: 12894 at kernel/events/core.c:6688 perf_sigtrap kernel/events/core.c:6688 [inline] WARNING: CPU: 0 PID: 12894 at kernel/events/core.c:6688 perf_pending_task+0x353/0x480 kernel/events/core.c:6800 Modules linked in: CPU: 0 PID: 12894 Comm: syz.0.1747 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:perf_sigtrap kernel/events/core.c:6688 [inline] RIP: 0010:perf_pending_task+0x353/0x480 kernel/events/core.c:6800 Code: e8 22 4d de ff 84 db 75 10 e8 b9 4a de ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 a9 4a de ff e8 2c d5 65 ff eb e9 e8 9d 4a de ff <0f> 0b 49 bd 00 00 00 00 00 fc ff df 43 80 3c 2f 00 0f 85 0a ff ff RSP: 0018:ffffc9000336f9c0 EFLAGS: 00010293 RAX: ffffffff819aa803 RBX: ffff88813fe61638 RCX: ffff88805477bb80 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff88813fe61408 R08: ffff88805477c593 R09: 1ffff1100a8ef8b2 R10: dffffc0000000000 R11: ffffed100a8ef8b3 R12: ffff88805477bb80 R13: ffff888023ad9558 R14: 0000000000000000 R15: 1ffff11027fcc281 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000000c08e000 CR4: 00000000003506f0 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+0x635/0x2110 kernel/exit.c:884 do_group_exit+0x12c/0x2f0 kernel/exit.c:998 get_signal+0x7eb/0x12e0 kernel/signal.c:2901 arch_do_signal_or_restart+0xe6/0x12a0 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: 0033:0x7f21a8134e59 Code: Unable to access opcode bytes at RIP 0x7f21a8134e2f. RSP: 002b:00007f21a638e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: 0000000000000012 RBX: 00007f21a83adfa0 RCX: 00007f21a8134e59 RDX: 0000000000000012 RSI: 0000200000000200 RDI: 0000000000000008 RBP: 00007f21a81cae6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f21a83ae038 R14: 00007f21a83adfa0 R15: 00007ffffdda2338