REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 dccp_close: ABORT with 4429 bytes unread REISERFS (device loop0): checking transaction log (loop0) ================================================================== UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0 BUG: KASAN: slab-out-of-bounds in hfs_asc2mac+0x68f/0x710 fs/hfs/trans.c:133 Write of size 1 at addr ffff88808f1504ce by task syz-executor.3/19048 CPU: 0 PID: 19048 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 print_address_description.cold+0x54/0x219 mm/kasan/report.c:256 kasan_report_error.cold+0x8a/0x1b9 mm/kasan/report.c:354 kasan_report mm/kasan/report.c:412 [inline] __asan_report_store1_noabort+0x88/0x90 mm/kasan/report.c:435 UDF-fs: error (device loop4): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 0 hfs_asc2mac+0x68f/0x710 fs/hfs/trans.c:133 UDF-fs: warning (device loop4): udf_load_vrs: No anchor found hfs_cat_build_key+0xbe/0x1a0 fs/hfs/catalog.c:28 hfs_lookup+0x1c2/0x300 fs/hfs/dir.c:31 REISERFS (device loop0): Using r5 hash to sort names REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. __lookup_slow+0x246/0x4a0 fs/namei.c:1672 UDF-fs: Scanning with blocksize 512 failed lookup_slow fs/namei.c:1689 [inline] walk_component+0x7ac/0xda0 fs/namei.c:1811 lookup_last fs/namei.c:2274 [inline] path_lookupat+0x1ff/0x8d0 fs/namei.c:2319 filename_lookup+0x1ac/0x5a0 fs/namei.c:2349 user_path include/linux/namei.h:62 [inline] do_mount+0x147/0x2f50 fs/namespace.c:2762 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f18aac580a9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f18a91ca168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f18aad77f80 RCX: 00007f18aac580a9 RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000000 RBP: 00007f18aacb3ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd16f6b96f R14: 00007f18a91ca300 R15: 0000000000022000 Allocated by task 19048: __do_kmalloc mm/slab.c:3727 [inline] __kmalloc+0x15a/0x3c0 mm/slab.c:3736 kmalloc include/linux/slab.h:520 [inline] hfs_find_init+0x91/0x230 fs/hfs/bfind.c:21 hfs_lookup+0xfe/0x300 fs/hfs/dir.c:28 __lookup_slow+0x246/0x4a0 fs/namei.c:1672 lookup_slow fs/namei.c:1689 [inline] walk_component+0x7ac/0xda0 fs/namei.c:1811 lookup_last fs/namei.c:2274 [inline] path_lookupat+0x1ff/0x8d0 fs/namei.c:2319 filename_lookup+0x1ac/0x5a0 fs/namei.c:2349 user_path include/linux/namei.h:62 [inline] do_mount+0x147/0x2f50 fs/namespace.c:2762 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe Freed by task 8126: __cache_free mm/slab.c:3503 [inline] kfree+0xcc/0x210 mm/slab.c:3822 ext4_ext_map_blocks+0x9f5/0x7390 fs/ext4/extents.c:4633 ext4_map_blocks+0xd88/0x1a50 fs/ext4/inode.c:580 ext4_getblk+0xad/0x4f0 fs/ext4/inode.c:993 ext4_bread+0x7c/0x210 fs/ext4/inode.c:1043 ext4_append+0x155/0x370 fs/ext4/namei.c:66 ext4_init_new_dir fs/ext4/namei.c:2659 [inline] ext4_mkdir+0x5bd/0xe10 fs/ext4/namei.c:2706 vfs_mkdir+0x508/0x7a0 fs/namei.c:3819 do_mkdirat+0x262/0x2d0 fs/namei.c:3842 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe The buggy address belongs to the object at ffff88808f150480 which belongs to the cache kmalloc-96 of size 96 The buggy address is located 78 bytes inside of 96-byte region [ffff88808f150480, ffff88808f1504e0) The buggy address belongs to the page: page:ffffea00023c5400 count:1 mapcount:0 mapping:ffff88813bff04c0 index:0xffff88808f150b00 flags: 0xfff00000000100(slab) raw: 00fff00000000100 ffffea0002663d48 ffffea0002d13508 ffff88813bff04c0 raw: ffff88808f150b00 ffff88808f150000 000000010000001e 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff88808f150380: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff88808f150400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc >ffff88808f150480: 00 00 00 00 00 00 00 00 00 06 fc fc fc fc fc fc ^ ffff88808f150500: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff88808f150580: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) dccp_close: ABORT with 4429 bytes unread