loop0: detected capacity change from 0 to 1024 hfsplus: request for non-existent node 32768 in B*Tree hfsplus: request for non-existent node 32768 in B*Tree ================================================================== BUG: KASAN: wild-memory-access in memcpy_from_page include/linux/highmem.h:367 [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+0x3ff/0xba0 fs/hfsplus/bnode.c:305 Read of size 2 at addr 000508800000103e by task syz-executor394/3540 CPU: 0 PID: 3540 Comm: syz-executor394 Not tainted 6.1.35-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_report+0xe6/0x4f0 mm/kasan/report.c:398 kasan_report+0x136/0x160 mm/kasan/report.c:495 kasan_check_range+0x27f/0x290 mm/kasan/generic.c:189 memcpy+0x25/0x60 mm/kasan/shadow.c:65 memcpy_from_page include/linux/highmem.h:367 [inline] hfsplus_bnode_read fs/hfsplus/bnode.c:32 [inline] hfsplus_bnode_read_u16 fs/hfsplus/bnode.c:45 [inline] hfsplus_bnode_dump+0x3ff/0xba0 fs/hfsplus/bnode.c:305 hfsplus_brec_remove+0x428/0x4e0 fs/hfsplus/brec.c:229 __hfsplus_delete_attr+0x271/0x450 fs/hfsplus/attributes.c:299 hfsplus_delete_all_attrs+0x267/0x3c0 fs/hfsplus/attributes.c:378 hfsplus_delete_cat+0xb83/0xfb0 fs/hfsplus/catalog.c:425 hfsplus_unlink+0x35f/0x7f0 fs/hfsplus/dir.c:385 vfs_unlink+0x359/0x5f0 fs/namei.c:4252 do_unlinkat+0x49d/0x940 fs/namei.c:4320 __do_sys_unlink fs/namei.c:4368 [inline] __se_sys_unlink fs/namei.c:4366 [inline] __x64_sys_unlink+0x45/0x50 fs/namei.c:4366 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb28f70b799 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc792b3e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb28f70b799 RDX: 00007fb28f6c9e13 RSI: 0000000000000000 RDI: 0000000020000140 RBP: 00007fb28f6cb030 R08: 0000000000000640 R09: 0000000000000000 R10: 00007ffc792b3d20 R11: 0000000000000246 R12: 00007fb28f6cb0c0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ==================================================================