Oops: general protection fault, probably for non-canonical address 0xdffffc0020000031: 0000 [#1] SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000100000188-0x000000010000018f] CPU: 0 UID: 0 PID: 283 Comm: syz-executor.2 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:perf_tp_event+0x175/0xe70 Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01 RSP: 0018:ffff88806ce089c0 EFLAGS: 00010013 RAX: 0000000020000031 RBX: 00000000ffffff9f RCX: 0000000000000002 RDX: ffff888016528000 RSI: ffffffff8189a4e7 RDI: 000000010000018f RBP: ffff88806ce08c30 R08: ffff88806ce313e8 R09: ffffe8ffffc15e48 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000014 R14: ffff88806ce313e8 R15: dffffc0000000000 FS: 000055556095b400(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc8c180ca8 CR3: 000000003da20000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_preemptirq_template+0x259/0x430 trace_irq_enable.constprop.0+0xa6/0x100 trace_hardirqs_on+0x26/0x40 _raw_spin_unlock_irqrestore+0x2c/0x50 kmem_cache_free+0x33a/0x540 dst_destroy+0x23c/0x340 rcu_core+0x7c8/0x1800 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:kasan_check_range+0x161/0x1b0 Code: 49 8d 04 2c 48 85 d2 75 b0 48 89 da 48 29 c2 e9 4c ff ff ff 48 85 d2 74 b6 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 a8 80 38 00 <74> f2 e9 77 ff ff ff b8 01 00 00 00 e9 8e 4d 0e 03 48 29 c3 48 89 RSP: 0018:ffff88801bf7f6a0 EFLAGS: 00000246 RAX: fffff940001c3f40 RBX: fffff940001c3f41 RCX: ffffffff819e6ac5 RDX: fffff940001c3f41 RSI: 0000000000000008 RDI: ffffea0000e1fa00 RBP: fffff940001c3f40 R08: 0000000000000000 R09: fffff940001c3f40 R10: ffffea0000e1fa07 R11: 0000000000000001 R12: 0000000000000000 R13: ffffea0000e1fa00 R14: ffffea0000e1fa00 R15: dffffc0000000000 copy_page_range+0x1f05/0x5140 dup_mmap+0xd2f/0x1d10 copy_process+0x3ad5/0x73c0 kernel_clone+0xea/0x7f0 __do_sys_clone+0xce/0x120 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f06f9d0c10b Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 RSP: 002b:00007ffd87dd95a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f06f9d0c10b RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 000055556095b400 R10: 000055556095b6d0 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffd87dd9680 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:perf_tp_event+0x175/0xe70 Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01 RSP: 0018:ffff88806ce089c0 EFLAGS: 00010013 RAX: 0000000020000031 RBX: 00000000ffffff9f RCX: 0000000000000002 RDX: ffff888016528000 RSI: ffffffff8189a4e7 RDI: 000000010000018f RBP: ffff88806ce08c30 R08: ffff88806ce313e8 R09: ffffe8ffffc15e48 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000014 R14: ffff88806ce313e8 R15: dffffc0000000000 FS: 000055556095b400(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc8c180ca8 CR3: 000000003da20000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: df 48 89 fisttps -0x77(%rax) 3: 85 a8 fd ff ff 48 test %ebp,0x48fffffd(%rax) 9: c1 e8 03 shr $0x3,%eax c: 4c 01 e0 add %r12,%rax f: 48 89 85 c8 fd ff ff mov %rax,-0x238(%rbp) 16: e8 c9 51 ea ff callq 0xffea51e4 1b: 48 8d bb f0 01 00 00 lea 0x1f0(%rbx),%rdi 22: 48 89 f8 mov %rdi,%rax 25: 48 c1 e8 03 shr $0x3,%rax * 29: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 74 08 je 0x3a 32: 3c 03 cmp $0x3,%al 34: 0f 8e c5 0b 00 00 jle 0xbff 3a: 44 rex.R 3b: 8b .byte 0x8b 3c: ab stos %eax,%es:(%rdi) 3d: f0 lock 3e: 01 .byte 0x1