------------[ cut here ]------------ WARNING: kernel/events/core.c:10438 at __perf_event_overflow+0xb69/0xe70 kernel/events/core.c:10438, CPU#1: syz.7.4449/22733 Modules linked in: CPU: 1 UID: 0 PID: 22733 Comm: syz.7.4449 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:10438 Code: 27 35 00 4d 89 3e 4c 8b 7c 24 10 e9 c2 fc ff ff e8 9c 05 cf ff 49 bd 00 00 00 00 00 fc ff df e9 08 fe ff ff e8 88 05 cf ff 90 <0f> 0b 90 e9 21 ff ff ff e8 7a 05 cf ff 48 c7 c7 80 58 74 8b e8 6e RSP: 0000:ffffc9001039f9c0 EFLAGS: 00010246 RAX: ffffffff81f1f238 RBX: ffff888068af13d8 RCX: 0000000000080000 RDX: ffffc9001d468000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: ffffc9001039fad0 R08: ffff888068af152f R09: 1ffff1100d15e2a5 R10: dffffc0000000000 R11: ffffed100d15e2a6 R12: ffff888068af12d8 R13: dffffc0000000000 R14: ffff888068af1528 R15: 0000000000000000 FS: 00007f4d6bf536c0(0000) GS:ffff888125f1f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4d6bf52f98 CR3: 0000000068484000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: perf_swevent_overflow kernel/events/core.c:10536 [inline] perf_swevent_event+0x2f4/0x5e0 kernel/events/core.c:-1 do_perf_sw_event kernel/events/core.c:10676 [inline] ___perf_sw_event+0x4a1/0x700 kernel/events/core.c:10703 __perf_sw_event+0xfa/0x1a0 kernel/events/core.c:10715 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+0x71/0xd0 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618 RIP: 0033:0x7f4d6b04df7e Code: f6 31 c0 e8 64 ff 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:00007f4d6bf52f70 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 00007f4d6b215388 RCX: 00007f4d6b22c3cb RDX: 0000000000024d43 RSI: 0000000000000001 RDI: 00007f4d6b215388 RBP: 00007f4d6b22c3cb R08: ffffffffffffffff R09: 3fffffffffffffff R10: 4000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 00007f4d6b3e6128 R14: 00007f4d6b3e6090 R15: 00007fff2d084be8