WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= ================================================================== BUG: KASAN: wild-memory-access in memcpy_from_page include/linux/highmem.h:393 [inline] BUG: KASAN: wild-memory-access in hfsplus_bnode_read+0xf1/0x200 fs/hfsplus/bnode.c:32 Read of size 1 at addr 000508800000103f by task syz-executor721/5074 CPU: 1 PID: 5074 Comm: syz-executor721 Not tainted 6.1.0-syzkaller-14594-g72a85e2b0a1e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x290 lib/dump_stack.c:106 print_report+0xed/0x1f0 mm/kasan/report.c:420 kasan_report+0xcd/0x100 mm/kasan/report.c:517 kasan_check_range+0x2a7/0x2e0 mm/kasan/generic.c:189 memcpy+0x25/0x60 mm/kasan/shadow.c:65 memcpy_from_page include/linux/highmem.h:393 [inline] hfsplus_bnode_read+0xf1/0x200 fs/hfsplus/bnode.c:32 hfsplus_bnode_read_u16 fs/hfsplus/bnode.c:45 [inline] hfsplus_bnode_find+0x749/0xd80 fs/hfsplus/bnode.c:522 hfsplus_bmap_alloc+0xa0/0x610 fs/hfsplus/btree.c:390 hfs_btree_inc_height+0xe2/0xd30 fs/hfsplus/brec.c:475 hfsplus_brec_insert+0x130/0xd70 fs/hfsplus/brec.c:75 __hfsplus_ext_write_extent+0x356/0x590 fs/hfsplus/extents.c:107 __hfsplus_ext_cache_extent+0x8d/0x810 fs/hfsplus/extents.c:186 hfsplus_ext_read_extent fs/hfsplus/extents.c:218 [inline] hfsplus_file_extend+0x3cc/0x19d0 fs/hfsplus/extents.c:461 hfsplus_get_block+0x415/0x1560 fs/hfsplus/extents.c:245 __block_write_begin_int+0x54c/0x1a80 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x93/0x1e0 fs/buffer.c:2102 cont_write_begin+0x606/0x860 fs/buffer.c:2456 hfsplus_write_begin+0x86/0xd0 fs/hfsplus/inode.c:52 cont_expand_zero fs/buffer.c:2383 [inline] cont_write_begin+0x2cf/0x860 fs/buffer.c:2446 hfsplus_write_begin+0x86/0xd0 fs/hfsplus/inode.c:52 generic_cont_expand_simple+0x151/0x250 fs/buffer.c:2347 hfsplus_setattr+0x168/0x280 fs/hfsplus/inode.c:263 notify_change+0xe50/0x1100 fs/attr.c:482 do_truncate+0x200/0x2f0 fs/open.c:65 do_sys_ftruncate+0x2b0/0x350 fs/open.c:193 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: 0033:0x7f89be3d07a9 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:00007fff0ca4aac8 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f89be3d07a9 RDX: 0000000000000000 RSI: 0000000000048280 RDI: 0000000000000004 RBP: 00007f89be390040 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000000005f1 R11: 0000000000000246 R12: 00007f89be3900d0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ==================================================================