hfsplus: request for non-existent node 1024 in B*Tree
hfsplus: request for non-existent node 1024 in B*Tree
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BUG: KASAN: wild-memory-access in memcpy_from_page include/linux/highmem.h:417 [inline]
BUG: KASAN: wild-memory-access in hfsplus_bnode_read fs/hfsplus/bnode.c:32 [inline]
BUG: KASAN: wild-memory-access in hfsplus_bnode_read_u16 fs/hfsplus/bnode.c:45 [inline]
BUG: KASAN: wild-memory-access in hfsplus_bnode_dump+0x403/0xbb0 fs/hfsplus/bnode.c:305
Read of size 2 at addr 000508800000103e by task syz-executor.1/6104

CPU: 1 PID: 6104 Comm: syz-executor.1 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
 print_report+0xe8/0x550 mm/kasan/report.c:491
 kasan_report+0x143/0x180 mm/kasan/report.c:601
 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189
 __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105
 memcpy_from_page include/linux/highmem.h:417 [inline]
 hfsplus_bnode_read fs/hfsplus/bnode.c:32 [inline]
 hfsplus_bnode_read_u16 fs/hfsplus/bnode.c:45 [inline]
 hfsplus_bnode_dump+0x403/0xbb0 fs/hfsplus/bnode.c:305
 hfsplus_brec_remove+0x42c/0x4f0 fs/hfsplus/brec.c:229
 __hfsplus_delete_attr+0x275/0x450 fs/hfsplus/attributes.c:299
 hfsplus_delete_all_attrs+0x26b/0x3d0 fs/hfsplus/attributes.c:378
 hfsplus_delete_cat+0xb37/0xf70 fs/hfsplus/catalog.c:425
 hfsplus_unlink+0x654/0x790 fs/hfsplus/dir.c:397
 vfs_unlink+0x365/0x600 fs/namei.c:4338
 do_unlinkat+0x4ae/0x830 fs/namei.c:4402
 __do_sys_unlink fs/namei.c:4450 [inline]
 __se_sys_unlink fs/namei.c:4448 [inline]
 __x64_sys_unlink+0x49/0x60 fs/namei.c:4448
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fb03f87dda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb04063d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 00007fb03f9abf80 RCX: 00007fb03f87dda9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080
RBP: 00007fb03f8ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fb03f9abf80 R15: 00007fff354efce8
 </TASK>
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