BUG: unable to handle page fault for address: ffffffffff600000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD df36067 P4D df36067 PUD df38067 PMD df5b067 PTE 0
Oops: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 PID: 5497 Comm: dhcpcd-run-hook Not tainted 6.8.0-rc2-syzkaller-g335bac1daae3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:copy_from_kernel_nofault+0x81/0x2e0 mm/maccess.c:36
Code: 01 84 c0 0f 85 e5 01 00 00 41 ff 06 bf 07 00 00 00 4c 89 ee e8 d0 47 c9 ff 49 83 fd 07 76 58 4c 89 fb 49 83 c7 08 49 83 c5 f8 <49> 8b 2c 24 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80
RSP: 0018:ffffc9000471f740 EFLAGS: 00010257
RAX: 0000000000000000 RBX: ffffc9000471f7a8 RCX: ffff88801c3f0000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000007
RBP: ffffc9000471f7b0 R08: ffffffff81ca2440 R09: 1ffffffff2591284
R10: dffffc0000000000 R11: ffffffffa00016d8 R12: ffffffffff600000
R13: 0000000000000000 R14: ffff88801c3f176c R15: ffffc9000471f7b0
FS:  00007fb191b2e380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600000 CR3: 000000002f7b6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bpf_probe_read_kernel_common include/linux/bpf.h:2787 [inline]
 ____bpf_probe_read_kernel kernel/trace/bpf_trace.c:240 [inline]
 bpf_probe_read_kernel+0x2a/0x70 kernel/trace/bpf_trace.c:237
 bpf_prog_bd8b22826c103b08+0x42/0x44
 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_run2+0x204/0x420 kernel/trace/bpf_trace.c:2420
 trace_kfree include/trace/events/kmem.h:94 [inline]
 kfree+0x28e/0x380 mm/slub.c:4396
 tomoyo_realpath_from_path+0xc2/0x5e0 security/tomoyo/realpath.c:250
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_perm+0x2b7/0x740 security/tomoyo/file.c:822
 security_inode_getattr+0xd8/0x130 security/security.c:2237
 vfs_getattr+0x45/0x430 fs/stat.c:173
 vfs_statx+0x1a5/0x4e0 fs/stat.c:248
 vfs_fstatat+0x135/0x190 fs/stat.c:304
 __do_sys_newfstatat fs/stat.c:468 [inline]
 __se_sys_newfstatat fs/stat.c:462 [inline]
 __x64_sys_newfstatat+0x117/0x190 fs/stat.c:462
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fb191c825f4
Code: 64 c7 00 09 00 00 00 83 c8 ff c3 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 00 00 00 00 41 89 ca b8 06 01 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 10 48 8b 15 03 a8 0d 00 f7 d8 41 83 c8
RSP: 002b:00007fff6dba0af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00007fff6dba0c48 RCX: 00007fb191c825f4
RDX: 00007fff6dba0b58 RSI: 0000557aa58b3eb8 RDI: 00000000ffffff9c
RBP: 0000557aa58b3e60 R08: 0000000000000009 R09: 00007fff6dba6e92
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
CR2: ffffffffff600000
---[ end trace 0000000000000000 ]---
RIP: 0010:copy_from_kernel_nofault+0x81/0x2e0 mm/maccess.c:36
Code: 01 84 c0 0f 85 e5 01 00 00 41 ff 06 bf 07 00 00 00 4c 89 ee e8 d0 47 c9 ff 49 83 fd 07 76 58 4c 89 fb 49 83 c7 08 49 83 c5 f8 <49> 8b 2c 24 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80
RSP: 0018:ffffc9000471f740 EFLAGS: 00010257
RAX: 0000000000000000 RBX: ffffc9000471f7a8 RCX: ffff88801c3f0000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000007
RBP: ffffc9000471f7b0 R08: ffffffff81ca2440 R09: 1ffffffff2591284
R10: dffffc0000000000 R11: ffffffffa00016d8 R12: ffffffffff600000
R13: 0000000000000000 R14: ffff88801c3f176c R15: ffffc9000471f7b0
FS:  00007fb191b2e380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600000 CR3: 000000002f7b6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	01 84 c0 0f 85 e5 01 	add    %eax,0x1e5850f(%rax,%rax,8)
   7:	00 00                	add    %al,(%rax)
   9:	41 ff 06             	incl   (%r14)
   c:	bf 07 00 00 00       	mov    $0x7,%edi
  11:	4c 89 ee             	mov    %r13,%rsi
  14:	e8 d0 47 c9 ff       	call   0xffc947e9
  19:	49 83 fd 07          	cmp    $0x7,%r13
  1d:	76 58                	jbe    0x77
  1f:	4c 89 fb             	mov    %r15,%rbx
  22:	49 83 c7 08          	add    $0x8,%r15
  26:	49 83 c5 f8          	add    $0xfffffffffffffff8,%r13
* 2a:	49 8b 2c 24          	mov    (%r12),%rbp <-- trapping instruction
  2e:	48 89 d8             	mov    %rbx,%rax
  31:	48 c1 e8 03          	shr    $0x3,%rax
  35:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  3c:	fc ff df
  3f:	80                   	.byte 0x80