BUG: unable to handle page fault for address: ffffffffff600000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 2c24067 P4D 2c24067 PUD 2c26067 PMD 2c49067 PTE 0
Oops: 0000 [#1] SMP
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.11.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:strncpy_from_kernel_nofault+0x55/0xb0 mm/maccess.c:76
Code: 6f 01 00 83 80 f8 14 00 00 01 31 f6 48 89 ea eb 17 48 83 c2 01 48 83 c3 01 48 89 d0 48 29 e8 84 c9 74 2f 4c 39 e0 7d 2a 89 f0 <8a> 0a 85 c0 88 0b 74 df 65 48 8b 04 25 40 6f 01 00 83 a8 f8 14 00
RSP: 0018:ffffc9000006bd68 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffffc9000006bde8 RCX: 0000000000000010
RDX: ffffffffff600000 RSI: 0000000000000000 RDI: ffffffffff600000
RBP: ffffffffff600000 R08: 0000000000000046 R09: 0000000000000000
R10: 0000000000080000 R11: ffff888237d2a664 R12: 0000000000000008
R13: ffffffffff600000 R14: ffff888237d2b918 R15: ffff888114854d40
FS:  0000000000000000(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600000 CR3: 000000010ca4d000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 bpf_probe_read_kernel_str_common kernel/trace/bpf_trace.c:266 [inline]
 ____bpf_probe_read_compat_str kernel/trace/bpf_trace.c:318 [inline]
 bpf_probe_read_compat_str+0x84/0xb0 kernel/trace/bpf_trace.c:311
 ___bpf_prog_run+0xe0/0x19a0 kernel/bpf/core.c:1513
 __bpf_prog_run32+0x34/0x60 kernel/bpf/core.c:1678
 bpf_dispatcher_nop_func include/linux/bpf.h:651 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2088 [inline]
 bpf_trace_run3+0x57/0xd0 kernel/trace/bpf_trace.c:2126
 trace_sched_switch include/trace/events/sched.h:222 [inline]
 __schedule+0x364/0x7d0 kernel/sched/core.c:5061
 schedule_idle+0x15/0x20 kernel/sched/core.c:5171
 do_idle+0x14f/0x250 kernel/sched/idle.c:327
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:396
 secondary_startup_64_no_verify+0xb0/0xbb
Modules linked in:
CR2: ffffffffff600000
---[ end trace 58313617f7b173dd ]---
RIP: 0010:strncpy_from_kernel_nofault+0x55/0xb0 mm/maccess.c:76
Code: 6f 01 00 83 80 f8 14 00 00 01 31 f6 48 89 ea eb 17 48 83 c2 01 48 83 c3 01 48 89 d0 48 29 e8 84 c9 74 2f 4c 39 e0 7d 2a 89 f0 <8a> 0a 85 c0 88 0b 74 df 65 48 8b 04 25 40 6f 01 00 83 a8 f8 14 00
RSP: 0018:ffffc9000006bd68 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffffc9000006bde8 RCX: 0000000000000010
RDX: ffffffffff600000 RSI: 0000000000000000 RDI: ffffffffff600000
RBP: ffffffffff600000 R08: 0000000000000046 R09: 0000000000000000
R10: 0000000000080000 R11: ffff888237d2a664 R12: 0000000000000008
R13: ffffffffff600000 R14: ffff888237d2b918 R15: ffff888114854d40
FS:  0000000000000000(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600000 CR3: 000000010ca4d000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	6f                   	outsl  %ds:(%rsi),(%dx)
   1:	01 00                	add    %eax,(%rax)
   3:	83 80 f8 14 00 00 01 	addl   $0x1,0x14f8(%rax)
   a:	31 f6                	xor    %esi,%esi
   c:	48 89 ea             	mov    %rbp,%rdx
   f:	eb 17                	jmp    0x28
  11:	48 83 c2 01          	add    $0x1,%rdx
  15:	48 83 c3 01          	add    $0x1,%rbx
  19:	48 89 d0             	mov    %rdx,%rax
  1c:	48 29 e8             	sub    %rbp,%rax
  1f:	84 c9                	test   %cl,%cl
  21:	74 2f                	je     0x52
  23:	4c 39 e0             	cmp    %r12,%rax
  26:	7d 2a                	jge    0x52
  28:	89 f0                	mov    %esi,%eax
* 2a:	8a 0a                	mov    (%rdx),%cl <-- trapping instruction
  2c:	85 c0                	test   %eax,%eax
  2e:	88 0b                	mov    %cl,(%rbx)
  30:	74 df                	je     0x11
  32:	65 48 8b 04 25 40 6f 	mov    %gs:0x16f40,%rax
  39:	01 00
  3b:	83                   	.byte 0x83
  3c:	a8 f8                	test   $0xf8,%al
  3e:	14 00                	adc    $0x0,%al