REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage.
BUG: unable to handle page fault for address: ffff8880740d5000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0003) - permissions violation
PGD 12c01067 P4D 12c01067 PUD 786ee063 PMD 77c83063 PTE 80000000740d5121
Oops: 0003 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5054 Comm: syz-executor138 Not tainted 6.7.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:memmove+0x28/0x1b0 arch/x86/lib/memmove_64.S:44
Code: c3 90 f3 0f 1e fa 48 89 f8 48 39 fe 7d 0f 49 89 f0 49 01 d0 49 39 f8 0f 8f b5 00 00 00 48 83 fa 20 0f 82 01 01 00 00 48 89 d1 <f3> a4 c3 48 81 fa a8 02 00 00 72 05 40 38 fe 74 47 48 83 ea 20 48
RSP: 0018:ffffc900033bef40 EFLAGS: 00010286
RAX: ffff888073430030 RBX: 0000000000000030 RCX: ffffffffff35aef9
RDX: fffffffffffffec9 RSI: ffff8880740d5fd0 RDI: ffff8880740d5000
RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000008 R11: ffff888073430000 R12: 0000000000000001
R13: ffffc900033bf120 R14: ffff8880734300d8 R15: 0000000000000fd0
FS:  0000555556b27380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8880740d5000 CR3: 00000000201e7000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 leaf_paste_in_buffer+0x26c/0xb80 fs/reiserfs/lbalance.c:1017
 balance_leaf_new_nodes_paste_whole fs/reiserfs/do_balan.c:1171 [inline]
 balance_leaf_new_nodes_paste fs/reiserfs/do_balan.c:1215 [inline]
 balance_leaf_new_nodes fs/reiserfs/do_balan.c:1246 [inline]
 balance_leaf+0x3d2e/0xcda0 fs/reiserfs/do_balan.c:1450
 do_balance+0x337/0x840 fs/reiserfs/do_balan.c:1888
 reiserfs_paste_into_item+0x62b/0x7c0 fs/reiserfs/stree.c:2158
 reiserfs_get_block+0x117f/0x4570 fs/reiserfs/inode.c:1069
 __block_write_begin_int+0x3c0/0x1560 fs/buffer.c:2119
 reiserfs_write_begin+0x350/0x7d0 fs/reiserfs/inode.c:2767
 generic_cont_expand_simple+0x11f/0x200 fs/buffer.c:2473
 reiserfs_setattr+0x36d/0x12a0 fs/reiserfs/inode.c:3298
 notify_change+0x742/0x11c0 fs/attr.c:499
 do_truncate+0x15c/0x220 fs/open.c:66
 do_sys_ftruncate+0x6a2/0x790 fs/open.c:194
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7ff01a7756b9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffd1b2ddc8 EFLAGS: 00000246
 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007fffd1b2df98 RCX: 00007ff01a7756b9
RDX: 00007ff01a7756b9 RSI: 0000000002007fff RDI: 0000000000000004
RBP: 00007ff01a7e9610 R08: 00007fffd1b2df98 R09: 00007fffd1b2df98
R10: 00007fffd1b2df98 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffd1b2df88 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
CR2: ffff8880740d5000
---[ end trace 0000000000000000 ]---
RIP: 0010:memmove+0x28/0x1b0 arch/x86/lib/memmove_64.S:44
Code: c3 90 f3 0f 1e fa 48 89 f8 48 39 fe 7d 0f 49 89 f0 49 01 d0 49 39 f8 0f 8f b5 00 00 00 48 83 fa 20 0f 82 01 01 00 00 48 89 d1 <f3> a4 c3 48 81 fa a8 02 00 00 72 05 40 38 fe 74 47 48 83 ea 20 48
RSP: 0018:ffffc900033bef40 EFLAGS: 00010286
RAX: ffff888073430030 RBX: 0000000000000030 RCX: ffffffffff35aef9
RDX: fffffffffffffec9 RSI: ffff8880740d5fd0 RDI: ffff8880740d5000
RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000008 R11: ffff888073430000 R12: 0000000000000001
R13: ffffc900033bf120 R14: ffff8880734300d8 R15: 0000000000000fd0
FS:  0000555556b27380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8880740d5000 CR3: 00000000201e7000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	c3                   	ret
   1:	90                   	nop
   2:	f3 0f 1e fa          	endbr64
   6:	48 89 f8             	mov    %rdi,%rax
   9:	48 39 fe             	cmp    %rdi,%rsi
   c:	7d 0f                	jge    0x1d
   e:	49 89 f0             	mov    %rsi,%r8
  11:	49 01 d0             	add    %rdx,%r8
  14:	49 39 f8             	cmp    %rdi,%r8
  17:	0f 8f b5 00 00 00    	jg     0xd2
  1d:	48 83 fa 20          	cmp    $0x20,%rdx
  21:	0f 82 01 01 00 00    	jb     0x128
  27:	48 89 d1             	mov    %rdx,%rcx
* 2a:	f3 a4                	rep movsb %ds:(%rsi),%es:(%rdi) <-- trapping instruction
  2c:	c3                   	ret
  2d:	48 81 fa a8 02 00 00 	cmp    $0x2a8,%rdx
  34:	72 05                	jb     0x3b
  36:	40 38 fe             	cmp    %dil,%sil
  39:	74 47                	je     0x82
  3b:	48 83 ea 20          	sub    $0x20,%rdx
  3f:	48                   	rex.W