BUG: unable to handle page fault for address: ffffffffff600000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0001) - permissions violation
PGD c691067 P4D c691067 PUD c693067 PMD c6b6067 PTE 800000000c609165
Oops: 0001 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted 5.15.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:strncpy_from_kernel_nofault+0x89/0x1c0 mm/maccess.c:92
Code: 00 48 89 d0 48 c1 e8 03 48 89 44 24 10 0f b6 04 28 84 c0 48 89 14 24 0f 85 d5 00 00 00 ff 02 45 31 f6 49 89 df 48 8b 54 24 08 <42> 8a 1c 33 4a 8d 3c 32 48 89 f8 48 c1 e8 03 49 89 ec 0f b6 04 28
RSP: 0018:ffffc90000da7868 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffffffff600000 RCX: ffff8880129f8000
RDX: ffffc90000da78e0 RSI: ffffffffff600000 RDI: ffffffffff600000
RBP: dffffc0000000000 R08: ffffffff8139a089 R09: fffffbfff1f7a019
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffff600000
R13: 0000000000000005 R14: 0000000000000000 R15: ffffffffff600000
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600000 CR3: 000000001c6b8000 CR4: 00000000003506e0
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:255 [inline]
 ____bpf_probe_read_kernel_str kernel/trace/bpf_trace.c:264 [inline]
 bpf_probe_read_kernel_str+0x26/0x70 kernel/trace/bpf_trace.c:261
 bpf_prog_ef3a4661c9d1378e+0x42/0x574
 bpf_dispatcher_nop_func include/linux/bpf.h:776 [inline]
 __bpf_prog_run include/linux/filter.h:625 [inline]
 bpf_prog_run include/linux/filter.h:632 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1883 [inline]
 bpf_trace_run2+0x19e/0x340 kernel/trace/bpf_trace.c:1920
 __bpf_trace_kfree+0x6e/0x90 include/trace/events/kmem.h:118
 trace_kfree include/trace/events/kmem.h:118 [inline]
 kfree+0x22f/0x270 mm/slub.c:4549
 security_task_free+0x96/0xc0 security/security.c:1673
 __put_task_struct+0xf4/0x2b0 kernel/fork.c:756
 rcu_do_batch kernel/rcu/tree.c:2523 [inline]
 rcu_core+0xa15/0x1650 kernel/rcu/tree.c:2763
 __do_softirq+0x3b3/0x93a kernel/softirq.c:558
 run_ksoftirqd+0xc1/0x120 kernel/softirq.c:921
 smpboot_thread_fn+0x51b/0x9d0 kernel/smpboot.c:164
 kthread+0x3f6/0x4f0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
Modules linked in:
CR2: ffffffffff600000
---[ end trace de1f92c8db5ef23f ]---
RIP: 0010:strncpy_from_kernel_nofault+0x89/0x1c0 mm/maccess.c:92
Code: 00 48 89 d0 48 c1 e8 03 48 89 44 24 10 0f b6 04 28 84 c0 48 89 14 24 0f 85 d5 00 00 00 ff 02 45 31 f6 49 89 df 48 8b 54 24 08 <42> 8a 1c 33 4a 8d 3c 32 48 89 f8 48 c1 e8 03 49 89 ec 0f b6 04 28
RSP: 0018:ffffc90000da7868 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffffffff600000 RCX: ffff8880129f8000
RDX: ffffc90000da78e0 RSI: ffffffffff600000 RDI: ffffffffff600000
RBP: dffffc0000000000 R08: ffffffff8139a089 R09: fffffbfff1f7a019
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffff600000
R13: 0000000000000005 R14: 0000000000000000 R15: ffffffffff600000
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600000 CR3: 000000001c6b8000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	00 48 89             	add    %cl,-0x77(%rax)
   3:	d0 48 c1             	rorb   -0x3f(%rax)
   6:	e8 03 48 89 44       	call   0x4489480e
   b:	24 10                	and    $0x10,%al
   d:	0f b6 04 28          	movzbl (%rax,%rbp,1),%eax
  11:	84 c0                	test   %al,%al
  13:	48 89 14 24          	mov    %rdx,(%rsp)
  17:	0f 85 d5 00 00 00    	jne    0xf2
  1d:	ff 02                	incl   (%rdx)
  1f:	45 31 f6             	xor    %r14d,%r14d
  22:	49 89 df             	mov    %rbx,%r15
  25:	48 8b 54 24 08       	mov    0x8(%rsp),%rdx
* 2a:	42 8a 1c 33          	mov    (%rbx,%r14,1),%bl <-- trapping instruction
  2e:	4a 8d 3c 32          	lea    (%rdx,%r14,1),%rdi
  32:	48 89 f8             	mov    %rdi,%rax
  35:	48 c1 e8 03          	shr    $0x3,%rax
  39:	49 89 ec             	mov    %rbp,%r12
  3c:	0f b6 04 28          	movzbl (%rax,%rbp,1),%eax