BUG: unable to handle page fault for address: ffffffffff600000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0001) - permissions violation
PGD 6812067 P4D 6812067 PUD 6814067 PMD 6816067 PTE 8000000006809165
Oops: 0001 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 2082 Comm: syz-executor.4 Tainted: G        W         5.15.148-syzkaller-00013-gad06eaf051cd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:copy_from_kernel_nofault+0x86/0x2e0 mm/maccess.c:37
Code: 48 89 55 d0 0f 85 ea 01 00 00 ff 02 bf 07 00 00 00 4c 89 ee e8 fb 98 d6 ff 49 83 fd 07 76 5c 4d 89 fe 49 83 c5 f8 49 83 c7 08 <49> 8b 1c 24 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80
RSP: 0018:ffffc90000ecf510 EFLAGS: 00010292
RAX: 0000000000000000 RBX: 00007ffffffff000 RCX: ffff888111ce93c0
RDX: ffff888111ce9f50 RSI: 0000000000000008 RDI: 0000000000000007
RBP: ffffc90000ecf548 R08: ffffffff81998d75 R09: ffffed102239d279
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffff600000
R13: 0000000000000000 R14: ffffc90000ecf5a8 R15: ffffc90000ecf5b0
FS:  0000555556f1c480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600000 CR3: 000000013ff61000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bpf_probe_read_kernel_common kernel/trace/bpf_trace.c:220 [inline]
 ____bpf_probe_read_compat kernel/trace/bpf_trace.c:284 [inline]
 bpf_probe_read_compat+0x112/0x180 kernel/trace/bpf_trace.c:277
 bpf_prog_baa065642a502c00+0x64/0xa30
 bpf_dispatcher_nop_func include/linux/bpf.h:785 [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_run6+0x18d/0x2c0 kernel/trace/bpf_trace.c:1924
 __bpf_trace_ext4_ext_remove_space_done+0x4a/0x60 include/trace/events/ext4.h:2094
 trace_ext4_ext_remove_space_done include/trace/events/ext4.h:2094 [inline]
 ext4_ext_remove_space+0x48b4/0x4a60 fs/ext4/extents.c:3030
 ext4_ext_truncate+0x19a/0x240 fs/ext4/extents.c:4419
 ext4_truncate+0x96c/0xfa0 fs/ext4/inode.c:4269
 ext4_evict_inode+0xcee/0x14e0 fs/ext4/inode.c:290
 evict+0x2a3/0x630 fs/inode.c:587
 iput_final fs/inode.c:1705 [inline]
 iput+0x63b/0x7e0 fs/inode.c:1731
 d_delete_notify include/linux/fsnotify.h:270 [inline]
 vfs_rmdir+0x359/0x470 fs/namei.c:4168
 do_rmdir+0x3ab/0x630 fs/namei.c:4216
 __do_sys_unlinkat fs/namei.c:4396 [inline]
 __se_sys_unlinkat fs/namei.c:4390 [inline]
 __x64_sys_unlinkat+0xdf/0xf0 fs/namei.c:4390
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fc10280d687
Code: 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 07 01 00 00 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:00007ffd03c06378 EFLAGS: 00000207 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007fc10280d687
RDX: 0000000000000200 RSI: 00007ffd03c074f0 RDI: 00000000ffffff9c
RBP: 00007fc1028593b9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000207 R12: 00007ffd03c074f0
R13: 00007fc1028593b9 R14: 0000000000254cb4 R15: 0000000000000007
 </TASK>
Modules linked in:
CR2: ffffffffff600000
---[ end trace e201cfe885ab4eea ]---
RIP: 0010:copy_from_kernel_nofault+0x86/0x2e0 mm/maccess.c:37
Code: 48 89 55 d0 0f 85 ea 01 00 00 ff 02 bf 07 00 00 00 4c 89 ee e8 fb 98 d6 ff 49 83 fd 07 76 5c 4d 89 fe 49 83 c5 f8 49 83 c7 08 <49> 8b 1c 24 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80
RSP: 0018:ffffc90000ecf510 EFLAGS: 00010292
RAX: 0000000000000000 RBX: 00007ffffffff000 RCX: ffff888111ce93c0
RDX: ffff888111ce9f50 RSI: 0000000000000008 RDI: 0000000000000007
RBP: ffffc90000ecf548 R08: ffffffff81998d75 R09: ffffed102239d279
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffff600000
R13: 0000000000000000 R14: ffffc90000ecf5a8 R15: ffffc90000ecf5b0
FS:  0000555556f1c480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600000 CR3: 000000013ff61000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	48 89 55 d0          	mov    %rdx,-0x30(%rbp)
   4:	0f 85 ea 01 00 00    	jne    0x1f4
   a:	ff 02                	incl   (%rdx)
   c:	bf 07 00 00 00       	mov    $0x7,%edi
  11:	4c 89 ee             	mov    %r13,%rsi
  14:	e8 fb 98 d6 ff       	call   0xffd69914
  19:	49 83 fd 07          	cmp    $0x7,%r13
  1d:	76 5c                	jbe    0x7b
  1f:	4d 89 fe             	mov    %r15,%r14
  22:	49 83 c5 f8          	add    $0xfffffffffffffff8,%r13
  26:	49 83 c7 08          	add    $0x8,%r15
* 2a:	49 8b 1c 24          	mov    (%r12),%rbx <-- trapping instruction
  2e:	4c 89 f0             	mov    %r14,%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