loop5: detected capacity change from 0 to 1024
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000268
Mem abort info:
  ESR = 0x0000000096000006
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000006
  CM = 0, WnR = 0
user pgtable: 4k pages, 48-bit VAs, pgdp=000000015a1b0000
[0000000000000268] pgd=0800000164d0b003, p4d=0800000164d0b003, pud=0800000163cc6003, pmd=0000000000000000
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 7424 Comm: syz-executor.5 Not tainted 6.2.0-rc7-syzkaller-17907-g2d3827b3f393 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : d_really_is_negative include/linux/dcache.h:466 [inline]
pc : open_xa_root fs/reiserfs/xattr.c:124 [inline]
pc : open_xa_dir+0x48/0x2b4 fs/reiserfs/xattr.c:152
lr : open_xa_dir+0x34/0x2b4 fs/reiserfs/xattr.c:148
sp : ffff800014e1b7c0
x29: ffff800014e1b7e0 x28: 0000000000000030 x27: 0000000000000000
x26: ffff80000bfe5000 x25: ffff80000d3a9e60 x24: 0000000000000200
x23: 0000000000008000 x22: 0000000000000002 x21: ffff000118338de0
x20: 0000000000000002 x19: ffff00011db20000 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000002 x13: 0000000000008000 x12: 0000000000040000
x11: 0000000000027ab7 x10: ffff80001d3f5000 x9 : ffff800008771400
x8 : ffff000116b9c000 x7 : ffff80000868e354 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000002 x1 : 0000000000000002 x0 : ffff000118338de0
Call trace:
 open_xa_root fs/reiserfs/xattr.c:121 [inline]
 open_xa_dir+0x48/0x2b4 fs/reiserfs/xattr.c:152
 xattr_lookup+0x34/0x19c fs/reiserfs/xattr.c:395
 reiserfs_xattr_get+0x8c/0x65c fs/reiserfs/xattr.c:677
 reiserfs_get_acl+0x90/0x464 fs/reiserfs/xattr_acl.c:215
 __get_acl+0x258/0x3fc fs/posix_acl.c:159
 get_inode_acl+0x34/0x44 fs/posix_acl.c:184
 check_acl+0x40/0x178 fs/namei.c:306
 acl_permission_check fs/namei.c:351 [inline]
 generic_permission+0x284/0x340 fs/namei.c:404
 reiserfs_permission+0x4c/0x6c fs/reiserfs/xattr.c:954
 do_inode_permission fs/namei.c:458 [inline]
 inode_permission+0x128/0x244 fs/namei.c:525
 may_open+0x1e4/0x2b8 fs/namei.c:3185
 do_open fs/namei.c:3555 [inline]
 path_openat+0xe0c/0x1330 fs/namei.c:3714
 do_filp_open+0xd0/0x1a8 fs/namei.c:3741
 do_sys_openat2+0xb8/0x22c fs/open.c:1310
 do_sys_open fs/open.c:1326 [inline]
 __do_sys_openat fs/open.c:1342 [inline]
 __se_sys_openat fs/open.c:1337 [inline]
 __arm64_sys_openat+0xb0/0xe0 fs/open.c:1337
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x64/0x178 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0xbc/0x180 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x110 arch/arm64/kernel/syscall.c:193
 el0_svc+0x58/0x14c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
Code: 390043ff a9007fff f9433e68 f942cd18 (f9403708) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	390043ff 	strb	wzr, [sp, #16]
   4:	a9007fff 	stp	xzr, xzr, [sp]
   8:	f9433e68 	ldr	x8, [x19, #1656]
   c:	f942cd18 	ldr	x24, [x8, #1432]
* 10:	f9403708 	ldr	x8, [x24, #104] <-- trapping instruction