------------[ cut here ]------------ WARNING: CPU: 0 PID: 9088 at kernel/events/core.c:10226 __perf_event_overflow+0xaf9/0xe10 kernel/events/core.c:10226 Modules linked in: CPU: 0 UID: 0 PID: 9088 Comm: syz.6.806 Not tainted 6.15.0-rc4-syzkaller-gf263336a41da #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025 RIP: 0010:__perf_event_overflow+0xaf9/0xe10 kernel/events/core.c:10226 Code: 89 3e 4c 8b 3c 24 e9 c3 fc ff ff e8 21 77 d0 ff 49 bd 00 00 00 00 00 fc ff df 4c 8b 74 24 28 e9 06 fe ff ff e8 08 77 d0 ff 90 <0f> 0b 90 e9 1b ff ff ff e8 fa 76 d0 ff 48 c7 c7 80 b3 73 8b e8 0e RSP: 0000:ffffc9000b56f9c0 EFLAGS: 00010287 RAX: ffffffff81ef47c8 RBX: ffff8880322c1880 RCX: 0000000000080000 RDX: ffffc9000af11000 RSI: 00000000000006c9 RDI: 00000000000006ca RBP: ffffc9000b56fad0 R08: ffff8880322c1abf R09: 1ffff11006458357 R10: dffffc0000000000 R11: ffffed1006458358 R12: ffffc9000b56ff58 R13: dffffc0000000000 R14: ffff8880322c1ab8 R15: 0000000000000000 FS: 00007f227865a6c0(0000) GS:ffff8881260cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2278659f98 CR3: 0000000054f0c000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: perf_swevent_overflow kernel/events/core.c:10324 [inline] perf_swevent_event+0x2f4/0x5e0 kernel/events/core.c:-1 do_perf_sw_event kernel/events/core.c:10464 [inline] ___perf_sw_event+0x4a1/0x700 kernel/events/core.c:10491 __perf_sw_event+0xfa/0x1a0 kernel/events/core.c:10503 perf_sw_event include/linux/perf_event.h:1537 [inline] do_user_addr_fault+0x12e4/0x1390 arch/x86/mm/fault.c:1284 handle_page_fault arch/x86/mm/fault.c:1480 [inline] exc_page_fault+0x68/0x110 arch/x86/mm/fault.c:1538 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f227764e02e Code: f6 31 c0 e8 f4 f1 13 00 48 81 c4 90 00 00 00 48 98 5b c3 66 0f 1f 84 00 00 00 00 00 41 54 55 53 48 89 fb 48 81 ec d0 00 00 00 <48> 89 74 24 28 48 89 54 24 30 48 89 4c 24 38 4c 89 44 24 40 4c 89 RSP: 002b:00007f2278659f70 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 00007f2277811dab RCX: 00007f22778206b5 RDX: 00000000000146f4 RSI: 0000000000000000 RDI: 00007f2277811dab RBP: 00007f22779b5fa0 R08: 000000001d864c25 R09: 7fffffffffffffff R10: 3fffffffffffffff R11: 0000000000000246 R12: 00007f22779b5fac R13: 0000000000000000 R14: 00007f22779b5fa0 R15: 00007ffe76ba85e8