hfsplus: request for non-existent node 134217728 in B*Tree
hfsplus: request for non-existent node 134217728 in B*Tree
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BUG: KASAN: wild-memory-access in hfsplus_bnode_read+0xc7/0x1c0 fs/hfsplus/bnode.c:32
Read of size 1 at addr 0005088000000fff by task syz.2.86/4818

CPU: 0 PID: 4818 Comm: syz.2.86 Not tainted 5.15.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 __kasan_report mm/kasan/report.c:438 [inline]
 kasan_report+0x161/0x1c0 mm/kasan/report.c:451
 kasan_check_range+0x27e/0x290 mm/kasan/generic.c:189
 memcpy+0x25/0x60 mm/kasan/shadow.c:65
 hfsplus_bnode_read+0xc7/0x1c0 fs/hfsplus/bnode.c:32
 hfsplus_bnode_read_u16 fs/hfsplus/bnode.c:47 [inline]
 hfsplus_bnode_dump+0x3f7/0x7c0 fs/hfsplus/bnode.c:328
 hfsplus_brec_remove+0x428/0x4e0 fs/hfsplus/brec.c:229
 __hfsplus_delete_attr+0x271/0x450 fs/hfsplus/attributes.c:299
 hfsplus_delete_attr+0x34f/0x4a0 fs/hfsplus/attributes.c:345
 __hfsplus_setxattr+0x494/0x22c0 fs/hfsplus/xattr.c:342
 hfsplus_setxattr+0xac/0xe0 fs/hfsplus/xattr.c:434
 hfsplus_trusted_setxattr+0x3c/0x50 fs/hfsplus/xattr_trusted.c:30
 __vfs_setxattr+0x3e7/0x420 fs/xattr.c:182
 __vfs_setxattr_noperm+0x12a/0x5e0 fs/xattr.c:216
 vfs_setxattr+0x21d/0x420 fs/xattr.c:303
 do_setxattr fs/xattr.c:588 [inline]
 setxattr+0x27e/0x2e0 fs/xattr.c:611
 path_setxattr+0x1bc/0x2a0 fs/xattr.c:630
 __do_sys_setxattr fs/xattr.c:646 [inline]
 __se_sys_setxattr fs/xattr.c:642 [inline]
 __x64_sys_setxattr+0xb7/0xd0 fs/xattr.c:642
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f37fac6ed29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f37f8adf038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007f37fae5efa0 RCX: 00007f37fac6ed29
RDX: 0000000020001280 RSI: 00000000200001c0 RDI: 0000000020000380
RBP: 00007f37faceab08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000835 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f37fae5efa0 R15: 00007ffe4c5de0b8
 </TASK>
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