------------[ cut here ]------------ WARNING: CPU: 1 PID: 18878 at kernel/events/core.c:10349 __perf_event_overflow+0xaf9/0xe10 kernel/events/core.c:10349 Modules linked in: CPU: 1 UID: 0 PID: 18878 Comm: syz.1.3326 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:__perf_event_overflow+0xaf9/0xe10 kernel/events/core.c:10349 Code: 89 3e 4c 8b 3c 24 e9 c3 fc ff ff e8 71 67 d0 ff 49 bd 00 00 00 00 00 fc ff df 4c 8b 74 24 28 e9 06 fe ff ff e8 58 67 d0 ff 90 <0f> 0b 90 e9 1b ff ff ff e8 4a 67 d0 ff 48 c7 c7 80 e5 93 8b e8 6e RSP: 0000:ffffc90003baf9c0 EFLAGS: 00010283 RAX: ffffffff81ef44f8 RBX: ffff8880a98bea40 RCX: 0000000000080000 RDX: ffffc9000b5b9000 RSI: 000000000000033f RDI: 0000000000000340 RBP: ffffc90003bafad0 R08: ffff8880a98bec8f R09: 1ffff11015317d91 R10: dffffc0000000000 R11: ffffed1015317d92 R12: ffffc90003baff58 R13: dffffc0000000000 R14: ffff8880a98bec88 R15: 0000000000000000 FS: 00007f84a4e246c0(0000) GS:ffff888125d1c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f84a4e24650 CR3: 0000000078ae2000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: perf_swevent_overflow kernel/events/core.c:10447 [inline] perf_swevent_event+0x2f4/0x5e0 kernel/events/core.c:-1 do_perf_sw_event kernel/events/core.c:10587 [inline] ___perf_sw_event+0x4a1/0x700 kernel/events/core.c:10614 __perf_sw_event+0xfa/0x1a0 kernel/events/core.c:10626 perf_sw_event include/linux/perf_event.h:1596 [inline] do_user_addr_fault+0x12e4/0x1390 arch/x86/mm/fault.c:1283 handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x76/0xf0 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f84a3e5e9ad Code: 00 00 00 64 f0 83 04 25 90 ff ff ff 01 64 48 8b 04 25 00 00 00 00 48 8d b8 c8 fe ff ff e8 bb c1 0c 00 85 c0 0f 84 a3 01 00 00 <64> f0 83 2c 25 90 ff ff ff 01 e8 04 9c 0b 00 48 8b 0c 24 8b 00 48 RSP: 002b:00007f84a4e24060 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 00007f84a41b5fa0 RCX: 00007f84a4011e19 RDX: 0000000000000000 RSI: 00002000000001c0 RDI: 0000000000000006 RBP: 00007f84a4011e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f84a41b6038 R14: 00007f84a41b5fa0 R15: 00007ffffed81148