Oops: general protection fault, probably for non-canonical address 0xdffffc030ad83c89: 0000 [#1] SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000001856c1e448-0x0000001856c1e44f] CPU: 0 UID: 0 PID: 15 Comm: rcu_preempt 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:ffff888009627640 EFLAGS: 00010012 RAX: 000000030ad83c89 RBX: 0000001856c1e258 RCX: 0000000000000002 RDX: ffff888009603700 RSI: ffffffff8189a4e7 RDI: 0000001856c1e448 RBP: ffff8880096278b0 R08: ffff88806ce31340 R09: ffffe8ffffc15fc8 R10: 0000000000000000 R11: 1ffff1100d9c6f7b R12: dffffc0000000000 R13: 0000000000000024 R14: ffff88806ce31340 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcea061e000 CR3: 000000001d831000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_lock+0x337/0x5d0 lock_release+0x1ab/0x290 __schedule+0xe50/0x3590 schedule+0xdb/0x390 schedule_timeout+0x11a/0x280 rcu_gp_fqs_loop+0x1a7/0xa60 rcu_gp_kthread+0x289/0x390 kthread+0x3c8/0x740 ret_from_fork+0x34b/0x430 ret_from_fork_asm+0x1a/0x30 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:ffff888009627640 EFLAGS: 00010012 RAX: 000000030ad83c89 RBX: 0000001856c1e258 RCX: 0000000000000002 RDX: ffff888009603700 RSI: ffffffff8189a4e7 RDI: 0000001856c1e448 RBP: ffff8880096278b0 R08: ffff88806ce31340 R09: ffffe8ffffc15fc8 R10: 0000000000000000 R11: 1ffff1100d9c6f7b R12: dffffc0000000000 R13: 0000000000000024 R14: ffff88806ce31340 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcea061e000 CR3: 000000001d831000 CR4: 0000000000350ef0 note: rcu_preempt[15] 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