BUG: unable to handle page fault for address: ffffffffff600000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 66a9067 P4D 66a9067 PUD 66ab067 PMD 66ad067 PTE 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 354 Comm: syz-executor.0 Not tainted 6.8.0-rc1-syzkaller-g7ed2632ec7d7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
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:ffffc90002e7f708 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffffffffff600000 RCX: ffff8881216b9100
RDX: ffffc90002e7f7a8 RSI: ffffffffff600000 RDI: ffffffffff600000
RBP: ffffc90002e7f750 R08: ffffffff813af2ed R09: 1ffff110242d7220
R10: ffffed10242d7221 R11: ffffed10242d7221 R12: 0000000000000000
R13: ffffffffff600000 R14: dffffc0000000000 R15: 0000000000000008
FS:  00007fd03df276c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600000 CR3: 0000000104b2d000 CR4: 00000000003506b0
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:266 [inline]
 ____bpf_probe_read_compat_str kernel/trace/bpf_trace.c:314 [inline]
 bpf_probe_read_compat_str+0x112/0x180 kernel/trace/bpf_trace.c:307
 bpf_prog_f17ebaf3f5f7baf8+0x3a/0x3c
 bpf_dispatcher_nop_func include/linux/bpf.h:1231 [inline]
 __bpf_prog_run include/linux/filter.h:651 [inline]
 bpf_prog_run include/linux/filter.h:658 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline]
 bpf_trace_run4+0x18d/0x2f0 kernel/trace/bpf_trace.c:2422
 __bpf_trace_sched_switch+0xe/0x10 include/trace/events/sched.h:222
 trace_sched_switch include/trace/events/sched.h:222 [inline]
 __schedule+0x1390/0x15f0 kernel/sched/core.c:6724
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xc6/0x170 kernel/sched/core.c:6817
 futex_wait_queue+0xef/0x140 kernel/futex/waitwake.c:370
 __futex_wait+0x17b/0x320 kernel/futex/waitwake.c:669
 futex_wait+0xfc/0x350 kernel/futex/waitwake.c:697
 do_futex+0x37b/0x490 kernel/futex/syscalls.c:102
 __do_sys_futex kernel/futex/syscalls.c:179 [inline]
 __se_sys_futex+0x35e/0x3c0 kernel/futex/syscalls.c:160
 __x64_sys_futex+0xe5/0x100 kernel/futex/syscalls.c:160
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x55/0x120 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fd03d27cda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd03df27178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fd03d3abf88 RCX: 00007fd03d27cda9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd03d3abf88
RBP: 00007fd03d3abf80 R08: 00007fd03df276c0 R09: 00007fd03df276c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd03d3abf8c
R13: 000000000000000b R14: 00007ffef3663870 R15: 00007ffef3663958
 </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:ffffc90002e7f708 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffffffffff600000 RCX: ffff8881216b9100
RDX: ffffc90002e7f7a8 RSI: ffffffffff600000 RDI: ffffffffff600000
RBP: ffffc90002e7f750 R08: ffffffff813af2ed R09: 1ffff110242d7220
R10: ffffed10242d7221 R11: ffffed10242d7221 R12: 0000000000000000
R13: ffffffffff600000 R14: dffffc0000000000 R15: 0000000000000008
FS:  00007fd03df276c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600000 CR3: 0000000104b2d000 CR4: 00000000003506b0
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