------------[ cut here ]------------ WARNING: CPU: 0 PID: 6846 at kernel/events/core.c:6698 perf_sigtrap kernel/events/core.c:6698 [inline] WARNING: CPU: 0 PID: 6846 at kernel/events/core.c:6698 perf_pending_task+0x353/0x480 kernel/events/core.c:6810 Modules linked in: CPU: 0 PID: 6846 Comm: syz.4.721 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:perf_sigtrap kernel/events/core.c:6698 [inline] RIP: 0010:perf_pending_task+0x353/0x480 kernel/events/core.c:6810 Code: e8 92 2d de ff 84 db 75 10 e8 29 2b de ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 19 2b de ff e8 dc 84 65 ff eb e9 e8 0d 2b 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:ffffc9000347f9c0 EFLAGS: 00010293 RAX: ffffffff819af853 RBX: ffff88805ecccbf0 RCX: ffff888054a91dc0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff88805eccc9c0 R08: ffff888054a927d3 R09: 1ffff1100a9524fa R10: dffffc0000000000 R11: ffffed100a9524fb R12: ffff888054a91dc0 R13: ffff888021085d58 R14: 0000000000000000 R15: 1ffff1100bd99938 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f37b2e55990 CR3: 0000000076a4c000 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:890 do_group_exit+0x12c/0x2f0 kernel/exit.c:1004 get_signal+0x7eb/0x12e0 kernel/signal.c:2913 arch_do_signal_or_restart+0xe6/0x12a0 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:157 [inline] exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:181 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:217 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:310 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f37b4bfd559 Code: Unable to access opcode bytes at RIP 0x7f37b4bfd52f. RSP: 002b:00007f37b2e55028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: 0000000000000012 RBX: 00007f37b4e84fa0 RCX: 00007f37b4bfd559 RDX: 0000000000000012 RSI: 0000200000000200 RDI: 000000000000000a RBP: 00007f37b4c948b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f37b4e85038 R14: 00007f37b4e84fa0 R15: 00007ffe34257218