BUG: unable to handle page fault for address: ffffffffff600000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 6412067 P4D 6412067 PUD 6414067 PMD 6416067 PTE 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 23 Comm: ksoftirqd/1 Not tainted 6.1.68-syzkaller-1150935-gf085398f0e8f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:strncpy_from_kernel_nofault+0x92/0x1e0 mm/maccess.c:91
Code: d0 48 c1 e8 03 48 89 45 c0 42 0f b6 04 30 84 c0 48 89 55 c8 0f 85 eb 00 00 00 ff 02 45 31 e4 48 8b 55 d0 4c 8b 7d b8 49 89 dd <42> 8a 1c 23 4a 8d 3c 22 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0018:ffffc90000187858 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffffffff600000 RCX: ffff88810039d100
RDX: ffffc900001878e0 RSI: ffffffffff600000 RDI: ffffffffff600000
RBP: ffffc900001878a0 R08: ffffffff8138cabd R09: ffffed10219cbe59
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffffffff600000 R14: dffffc0000000000 R15: 0000000000000005
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600000 CR3: 000000010fb7c000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bpf_probe_read_kernel_str_common kernel/trace/bpf_trace.c:265 [inline]
 ____bpf_probe_read_kernel_str kernel/trace/bpf_trace.c:274 [inline]
 bpf_probe_read_kernel_str+0x2a/0x70 kernel/trace/bpf_trace.c:271
 bpf_prog_ef3a4661c9d1378e+0x42/0x44
 bpf_dispatcher_nop_func include/linux/bpf.h:982 [inline]
 __bpf_prog_run include/linux/filter.h:600 [inline]
 bpf_prog_run include/linux/filter.h:607 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2275 [inline]
 bpf_trace_run2+0x133/0x290 kernel/trace/bpf_trace.c:2314
 __bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:94
 trace_kfree include/trace/events/kmem.h:94 [inline]
 kfree+0xce/0xf0 mm/slab_common.c:996
 ip_dst_metrics_put include/net/ip.h:524 [inline]
 ip6_dst_destroy+0x8d/0x390 net/ipv6/route.c:362
 dst_destroy+0x131/0x320 net/core/dst.c:119
 dst_destroy_rcu+0x19/0x20 net/core/dst.c:140
 rcu_do_batch+0x518/0xb70 kernel/rcu/tree.c:2264
 rcu_core+0x4ee/0xf10 kernel/rcu/tree.c:2524
 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2541
 __do_softirq+0x1d8/0x661 kernel/softirq.c:617
 run_ksoftirqd+0x23/0x30 kernel/softirq.c:990
 smpboot_thread_fn+0x466/0x8d0 kernel/smpboot.c:164
 kthread+0x26d/0x300 kernel/kthread.c:386
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
Modules linked in:
CR2: ffffffffff600000
---[ end trace 0000000000000000 ]---
RIP: 0010:strncpy_from_kernel_nofault+0x92/0x1e0 mm/maccess.c:91
Code: d0 48 c1 e8 03 48 89 45 c0 42 0f b6 04 30 84 c0 48 89 55 c8 0f 85 eb 00 00 00 ff 02 45 31 e4 48 8b 55 d0 4c 8b 7d b8 49 89 dd <42> 8a 1c 23 4a 8d 3c 22 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0018:ffffc90000187858 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffffffff600000 RCX: ffff88810039d100
RDX: ffffc900001878e0 RSI: ffffffffff600000 RDI: ffffffffff600000
RBP: ffffc900001878a0 R08: ffffffff8138cabd R09: ffffed10219cbe59
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffffffff600000 R14: dffffc0000000000 R15: 0000000000000005
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600000 CR3: 000000010fb7c000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	d0 48 c1             	rorb   -0x3f(%rax)
   3:	e8 03 48 89 45       	call   0x4589480b
   8:	c0 42 0f b6          	rolb   $0xb6,0xf(%rdx)
   c:	04 30                	add    $0x30,%al
   e:	84 c0                	test   %al,%al
  10:	48 89 55 c8          	mov    %rdx,-0x38(%rbp)
  14:	0f 85 eb 00 00 00    	jne    0x105
  1a:	ff 02                	incl   (%rdx)
  1c:	45 31 e4             	xor    %r12d,%r12d
  1f:	48 8b 55 d0          	mov    -0x30(%rbp),%rdx
  23:	4c 8b 7d b8          	mov    -0x48(%rbp),%r15
  27:	49 89 dd             	mov    %rbx,%r13
* 2a:	42 8a 1c 23          	mov    (%rbx,%r12,1),%bl <-- trapping instruction
  2e:	4a 8d 3c 22          	lea    (%rdx,%r12,1),%rdi
  32:	48 89 f8             	mov    %rdi,%rax
  35:	48 c1 e8 03          	shr    $0x3,%rax
  39:	42 0f b6 04 30       	movzbl (%rax,%r14,1),%eax
  3e:	84 c0                	test   %al,%al