Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197] CPU: 0 UID: 0 PID: 55 Comm: scsi_eh_1 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:ffff88800a86f6c0 EFLAGS: 00010212 RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002 RDX: ffff88800a989b80 RSI: ffffffff8189a4e7 RDI: 0000000000000191 RBP: ffff88800a86f930 R08: ffff88806ce31340 R09: ffffe8ffffc10c90 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 R13: 000000000000001c R14: ffff88806ce31340 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020683000 CR3: 000000003a8c4000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_contention_begin+0x235/0x3e0 trace_contention_begin+0xae/0x110 __mutex_lock+0x14b/0x1020 ata_eh_acquire+0x44/0x100 ata_scsi_port_error_handler+0x31/0x1b00 ata_scsi_error+0x1f0/0x320 scsi_error_handler+0x2aa/0xea0 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:ffff88800a86f6c0 EFLAGS: 00010212 RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002 RDX: ffff88800a989b80 RSI: ffffffff8189a4e7 RDI: 0000000000000191 RBP: ffff88800a86f930 R08: ffff88806ce31340 R09: ffffe8ffffc10c90 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 R13: 000000000000001c R14: ffff88806ce31340 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020683000 CR3: 000000003a8c4000 CR4: 0000000000350ef0 note: scsi_eh_1[55] exited with preempt_count 2 Bluetooth: hci0: Opcode 0x0c03 failed: -4 ---------------- 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