Oops: general protection fault, probably for non-canonical address 0xdffffc0040000032: 0000 [#1] SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000200000190-0x0000000200000197] CPU: 0 UID: 0 PID: 113 Comm: systemd-udevd 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 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 RIP: 0010:perf_tp_event+0x175/0xe70 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 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:ffff888017e378c0 EFLAGS: 00010212 RAX: 0000000040000032 RBX: 00000001ffffffa0 RCX: 0000000000000002 RDX: ffff8880162d5280 RSI: ffffffff8189a4e7 RDI: 0000000200000190 RBP: ffff888017e37b30 R08: ffff88806ce31340 R09: ffffe8ffffc09bc0 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 R13: 000000000000001c R14: ffff88806ce31340 R15: dffffc0000000000 FS: 00007fec9e4c68c0(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d324000 CR3: 000000000d0df000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_contention_end+0x235/0x3e0 trace_contention_end+0xae/0x110 __mutex_lock+0x166/0x1020 fdget_pos+0x2a8/0x380 __x64_sys_getdents64+0xe0/0x2c0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fec9e94d9c7 Code: 0f 1f 00 48 8b 47 20 c3 66 2e 0f 1f 84 00 00 00 00 00 90 48 81 fa ff ff ff 7f b8 ff ff ff 7f 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 99 74 0f 00 f7 d8 64 89 02 48 RSP: 002b:00007ffd8d42d7e8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 000055adde196a20 RCX: 00007fec9e94d9c7 RDX: 0000000000008000 RSI: 000055adde196a50 RDI: 0000000000000011 RBP: 000055adde196a50 R08: 0000000000000030 R09: 00007fec9ea45be0 R10: 0000000000000010 R11: 0000000000000293 R12: fffffffffffffe00 R13: 000055adde196a24 R14: 0000000000000000 R15: 000055adde145430 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:ffff888017e378c0 EFLAGS: 00010212 RAX: 0000000040000032 RBX: 00000001ffffffa0 RCX: 0000000000000002 RDX: ffff8880162d5280 RSI: ffffffff8189a4e7 RDI: 0000000200000190 RBP: ffff888017e37b30 R08: ffff88806ce31340 R09: ffffe8ffffc09bc0 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 R13: 000000000000001c R14: ffff88806ce31340 R15: dffffc0000000000 FS: 00007fec9e4c68c0(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d324000 CR3: 000000000d0df000 CR4: 0000000000350ef0 note: systemd-udevd[113] exited with preempt_count 2 Oops: general protection fault, probably for non-canonical address 0xdffffc0040000001: 0000 [#2] SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000200000008-0x000000020000000f] CPU: 0 UID: 0 PID: 3915 Comm: syz-executor.2 Tainted: G D W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [D]=DIE, [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:perf_trace_add+0x21b/0x340 Code: 00 0f 85 3a 01 00 00 4c 89 75 00 4d 85 ed 74 2a e8 da b2 f5 ff 49 8d 7d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 df 00 00 00 4d 89 75 08 eb 03 45 31 e4 e8 ad b2 RSP: 0018:ffff88804535f5b8 EFLAGS: 00010012 RAX: dffffc0000000000 RBX: ffff88800964abc0 RCX: ffffffff817e42fe RDX: 0000000040000001 RSI: ffffffff817e43d6 RDI: 0000000200000008 RBP: ffffe8ffffc09bc0 R08: 0000000000000000 R09: ffffed10012c95ba R10: 0000000000000000 R11: ffff8880166bbbb8 R12: 0000000000000000 R13: 0000000200000000 R14: ffff88800964ac20 R15: ffff88800964ac58 FS: 00007f6497627700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d325000 CR3: 000000001c327000 CR4: 0000000000350ef0 Call Trace: event_sched_in+0x446/0xb60 merge_sched_in+0xb4d/0x1810 visit_groups_merge.constprop.0.isra.0+0x8d1/0x1150 ctx_sched_in+0x579/0x9b0 perf_event_sched_in+0x5d/0x90 __perf_event_task_sched_in+0x2ec/0x5e0 finish_task_switch.isra.0+0x410/0x840 __schedule+0xe86/0x3590 schedule+0xdb/0x390 futex_do_wait+0x88/0x180 __futex_wait+0x176/0x300 futex_wait+0xde/0x380 do_futex+0x2ee/0x370 __x64_sys_futex+0x1c9/0x4d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f649a0b1b19 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:00007f6497627218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f649a1c4f68 RCX: 00007f649a0b1b19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f649a1c4f68 RBP: 00007f649a1c4f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f649a1c4f6c R13: 00007ffdec7eb0bf R14: 00007f6497627300 R15: 0000000000022000 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:ffff888017e378c0 EFLAGS: 00010212 RAX: 0000000040000032 RBX: 00000001ffffffa0 RCX: 0000000000000002 RDX: ffff8880162d5280 RSI: ffffffff8189a4e7 RDI: 0000000200000190 RBP: ffff888017e37b30 R08: ffff88806ce31340 R09: ffffe8ffffc09bc0 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 R13: 000000000000001c R14: ffff88806ce31340 R15: dffffc0000000000 FS: 00007f6497627700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d325000 CR3: 000000001c327000 CR4: 0000000000350ef0 note: syz-executor.2[3915] exited with irqs disabled ---------------- 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