loop0: detected capacity change from 0 to 1024 hfsplus: request for non-existent node 128 in B*Tree hfsplus: request for non-existent node 128 in B*Tree ================================================================== 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/5971 CPU: 0 PID: 5971 Comm: syz-executor Not tainted 6.10.0-rc2-syzkaller-00278-g0a02756d9145 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call Trace: __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+0x363/0x790 fs/hfsplus/dir.c:385 vfs_unlink+0x365/0x650 fs/namei.c:4343 do_unlinkat+0x4ae/0x830 fs/namei.c:4407 __do_sys_unlinkat fs/namei.c:4450 [inline] __se_sys_unlinkat fs/namei.c:4443 [inline] __x64_sys_unlinkat+0xce/0xf0 fs/namei.c:4443 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6b31c7cee9 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:00007f6b329fa0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 00007f6b31dabf80 RCX: 00007f6b31c7cee9 RDX: 0000000000000000 RSI: 0000000020002780 RDI: 0000000000000004 RBP: 00007f6b31cc949e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f6b31dabf80 R15: 00007ffc58737f28 ==================================================================