Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#1] SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197] CPU: 0 UID: 0 PID: 3937 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:ffff888047f57780 EFLAGS: 00010012 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002 RDX: ffff88801694d280 RSI: ffffffff8189a4e7 RDI: 0000000100000190 RBP: ffff888047f579f0 R08: ffff88806ce31340 R09: ffffe8ffffc11850 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000014 R14: ffff88806ce31340 R15: dffffc0000000000 FS: 000055556968a400(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556968bc18 CR3: 000000004686e000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_preemptirq_template+0x259/0x430 trace_irq_disable.constprop.0+0xa6/0x100 _raw_spin_lock_irqsave+0x53/0x60 try_to_wake_up+0xa0/0x11d0 wake_up_q+0xa1/0x130 futex_wake+0x47e/0x540 do_futex+0x26d/0x370 __x64_sys_futex+0x1c9/0x4d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fece07e0b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdac652958 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fece07e0b19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fece08f3f68 RBP: 00007fece08f3f60 R08: 00007fecddd56700 R09: 0000000000000000 R10: 00007fecddd56700 R11: 0000000000000246 R12: 00007fece08f8070 R13: 00007ffdac652a60 R14: 00007fece08f3f60 R15: 000000000001cc9d Modules linked in: ---[ end trace 0000000000000000 ]--- BUG: unable to handle page fault for address: ffffffff00000190 RIP: 0010:perf_tp_event+0x175/0xe70 #PF: supervisor read access in kernel mode 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 #PF: error_code(0x0000) - not-present page RSP: 0018:ffff888047f57780 EFLAGS: 00010012 PGD 5a8b067 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002 P4D 5a8b067 RDX: ffff88801694d280 RSI: ffffffff8189a4e7 RDI: 0000000100000190 PUD 0 RBP: ffff888047f579f0 R08: ffff88806ce31340 R09: ffffe8ffffc11850 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 Oops: Oops: 0000 [#2] SMP KASAN NOPTI R13: 0000000000000014 R14: ffff88806ce31340 R15: dffffc0000000000 CPU: 1 UID: 0 PID: 113 Comm: systemd-udevd Tainted: G D W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) FS: 000055556968a400(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 Tainted: [D]=DIE, [W]=WARN CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 CR2: 000055556968bc18 CR3: 000000004686e000 CR4: 0000000000350ef0 RIP: 0010:perf_tp_event+0x186/0xe70 note: syz-executor.2[3937] exited with irqs disabled Code: 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 00 00 31 ff 41 83 e5 01 44 89 ee e8 c5 4c ea ff 45 RSP: 0018:ffff88806cf089c0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: fffffffeffffffa0 RCX: 0000000000000002 RDX: ffff8880164d9b80 RSI: ffffffff8189a4e7 RDI: ffffffff00000190 RBP: ffff88806cf08c30 R08: ffff88806cf313e8 R09: ffffe8ffffd11850 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000014 R14: ffff88806cf313e8 R15: dffffc0000000000 FS: 00007f9e35cc68c0(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffff00000190 CR3: 000000000ed59000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_preemptirq_template+0x259/0x430 trace_irq_disable.constprop.0+0xa6/0x100 _raw_spin_lock_irqsave+0x53/0x60 delete_object_full+0x17/0x70 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:unwind_next_frame+0xd2/0x2540 Code: 25 00 31 d2 45 31 c9 45 31 c0 48 8d 05 00 00 00 00 50 b9 02 00 00 00 31 f6 48 c7 c7 60 c7 c1 85 e8 f3 57 1c 00 e8 3e 59 86 03 <5a> 85 c0 0f 85 b5 09 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8d 67 RSP: 0018:ffff88801821f570 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88806cf31850 RBP: ffff88801821f640 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000003bea3 R11: 0000000000025c33 R12: 0000000000000000 R13: ffff88801821f630 R14: ffff8880164d9b80 R15: ffff88801821f5e8 arch_stack_walk+0x86/0xf0 stack_trace_save+0x8e/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_noprof+0x205/0x690 __alloc_object+0x2b/0x2c0 __create_object+0x1d/0x80 kmem_cache_alloc_noprof+0x414/0x690 alloc_empty_file+0x58/0x1e0 path_openat+0xe0/0x2880 do_filp_open+0x1e8/0x450 do_sys_openat2+0x104/0x1b0 __x64_sys_openat+0x142/0x200 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9e36175be7 Code: 25 00 00 41 00 3d 00 00 41 00 74 47 64 8b 04 25 18 00 00 00 85 c0 75 6b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 95 00 00 00 48 8b 4c 24 28 64 48 2b 0c 25 RSP: 002b:00007fffd3f2df80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00005585ee3ac7c0 RCX: 00007f9e36175be7 RDX: 0000000000080000 RSI: 00007fffd3f2e1c0 RDI: 00000000ffffff9c RBP: 00007fffd3f2e1c0 R08: 0000000000000008 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000 R13: 00005585ee3ac7c0 R14: 0000000000000001 R15: 00005585ee3e23c0 Modules linked in: CR2: ffffffff00000190 ---[ end trace 0000000000000000 ]--- Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#3] SMP KASAN NOPTI RIP: 0010:perf_tp_event+0x175/0xe70 KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197] 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 CPU: 0 UID: 0 PID: 3937 Comm: syz-executor.2 Tainted: G D W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) RSP: 0018:ffff888047f57780 EFLAGS: 00010012 Tainted: [D]=DIE, [W]=WARN RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RDX: ffff88801694d280 RSI: ffffffff8189a4e7 RDI: 0000000100000190 RIP: 0010:perf_tp_event+0x175/0xe70 RBP: ffff888047f579f0 R08: ffff88806ce31340 R09: ffffe8ffffc11850 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 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 RSP: 0018:ffff88806ce08b40 EFLAGS: 00010012 R13: 0000000000000014 R14: ffff88806ce31340 R15: dffffc0000000000 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002 FS: 00007f9e35cc68c0(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000 RDX: ffff88801694d280 RSI: ffffffff8189a4e7 RDI: 0000000100000190 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RBP: ffff88806ce08db0 R08: ffff88806ce313e8 R09: ffffe8ffffc11850 CR2: ffffffff00000190 CR3: 000000000ed59000 CR4: 0000000000350ef0 R10: 0000000000000000 R11: ffff888020650898 R12: dffffc0000000000 ---------------- 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