------------[ cut here ]------------ WARNING: kernel/events/core.c:10440 at __perf_event_overflow+0xb69/0xe70 kernel/events/core.c:10440, CPU#0: syz.2.131/6500 Modules linked in: CPU: 0 UID: 0 PID: 6500 Comm: syz.2.131 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:__perf_event_overflow+0xb69/0xe70 kernel/events/core.c:10440 Code: f3 34 00 4d 89 3e 4c 8b 7c 24 10 e9 c2 fc ff ff e8 4c 09 cf ff 49 bd 00 00 00 00 00 fc ff df e9 08 fe ff ff e8 38 09 cf ff 90 <0f> 0b 90 e9 21 ff ff ff e8 2a 09 cf ff 48 c7 c7 80 4d 74 8b e8 be RSP: 0000:ffffc90003dcf9c0 EFLAGS: 00010283 RAX: ffffffff81f24248 RBX: ffff888028bb0d90 RCX: 0000000000080000 RDX: ffffc9000d289000 RSI: 00000000000002db RDI: 00000000000002dc RBP: ffffc90003dcfad0 R08: ffff888028bb0ee7 R09: 1ffff110051761dc R10: dffffc0000000000 R11: ffffed10051761dd R12: ffff888028bb0c90 R13: dffffc0000000000 R14: ffff888028bb0ee0 R15: 0000000000000000 FS: 00007f470d3116c0(0000) GS:ffff8881260b1000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f470d311668 CR3: 0000000032d14000 CR4: 00000000003526f0 Call Trace: perf_swevent_overflow kernel/events/core.c:10538 [inline] perf_swevent_event+0x2f4/0x5e0 kernel/events/core.c:-1 do_perf_sw_event kernel/events/core.c:10678 [inline] ___perf_sw_event+0x4a1/0x700 kernel/events/core.c:10705 __perf_sw_event+0xfa/0x1a0 kernel/events/core.c:10717 perf_sw_event include/linux/perf_event.h:1596 [inline] do_user_addr_fault+0x12d9/0x1380 arch/x86/mm/fault.c:1283 handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x82/0x100 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618 RIP: 0033:0x7f470c38f75b Code: 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 <64> 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 41 RSP: 002b:00007f470d311038 EFLAGS: 00010213 RAX: 0000000000000068 RBX: 00007f470c5e5fa0 RCX: ffffffffffffffa8 RDX: 0000000000000000 RSI: 0000200000000400 RDI: 0000000000000006 RBP: 00007f470c413f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f470c5e6038 R14: 00007f470c5e5fa0 R15: 00007ffd686f27d8