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: slab-out-of-bounds in hfs_asc2mac+0x693/0x720 fs/hfs/trans.c:133 Write of size 1 at addr ffff88801cb20ece by task syz-executor429/3628 CPU: 1 PID: 3628 Comm: syz-executor429 Not tainted 6.1.0-syzkaller #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+0xd1/0x138 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x15e/0x45d mm/kasan/report.c:395 kasan_report+0xbf/0x1f0 mm/kasan/report.c:495 hfs_asc2mac+0x693/0x720 fs/hfs/trans.c:133 hfs_cat_build_key+0xc4/0x170 fs/hfs/catalog.c:28 hfs_lookup+0x1c6/0x310 fs/hfs/dir.c:31 __lookup_hash+0x117/0x180 fs/namei.c:1601 filename_create+0x1d6/0x4a0 fs/namei.c:3808 do_mknodat+0x19e/0x530 fs/namei.c:3952 __do_sys_mknod fs/namei.c:3998 [inline] __se_sys_mknod fs/namei.c:3996 [inline] __x64_sys_mknod+0x11e/0x180 fs/namei.c:3996 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa7d4b30a79 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:00007ffd90980b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000085 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa7d4b30a79 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200002c0 RBP: 00007fa7d4af0080 R08: 0000000000000241 R09: 0000000000000000 R10: 00007ffd90980a30 R11: 0000000000000246 R12: 00007fa7d4af0110 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Allocated by task 3628: kasan_save_stack+0x22/0x40 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:371 [inline] ____kasan_kmalloc mm/kasan/common.c:330 [inline] __kasan_kmalloc+0xa5/0xb0 mm/kasan/common.c:380 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slab_common.c:955 [inline] __kmalloc+0x5a/0xd0 mm/slab_common.c:968 kmalloc include/linux/slab.h:558 [inline] hfs_find_init+0x95/0x240 fs/hfs/bfind.c:21 hfs_lookup+0x102/0x310 fs/hfs/dir.c:28 __lookup_hash+0x117/0x180 fs/namei.c:1601 filename_create+0x1d6/0x4a0 fs/namei.c:3808 do_mknodat+0x19e/0x530 fs/namei.c:3952 __do_sys_mknod fs/namei.c:3998 [inline] __se_sys_mknod fs/namei.c:3996 [inline] __x64_sys_mknod+0x11e/0x180 fs/namei.c:3996 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd The buggy address belongs to the object at ffff88801cb20e80 which belongs to the cache kmalloc-96 of size 96 The buggy address is located 78 bytes inside of 96-byte region [ffff88801cb20e80, ffff88801cb20ee0) The buggy address belongs to the physical page: page:ffffea000072c800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1cb20 flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000200 ffffea000099b900 dead000000000002 ffff888012041780 raw: 0000000000000000 0000000080200020 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY), pid 3006, tgid 3006 (udevd), ts 22224948385, free_ts 22214976251 prep_new_page mm/page_alloc.c:2539 [inline] get_page_from_freelist+0x10b5/0x2d50 mm/page_alloc.c:4291 __alloc_pages+0x1cb/0x5b0 mm/page_alloc.c:5558 alloc_pages+0x1aa/0x270 mm/mempolicy.c:2285 alloc_slab_page mm/slub.c:1794 [inline] allocate_slab+0x25f/0x350 mm/slub.c:1939 new_slab mm/slub.c:1992 [inline] ___slab_alloc+0xa91/0x1400 mm/slub.c:3180 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3279 slab_alloc_node mm/slub.c:3364 [inline] __kmem_cache_alloc_node+0x199/0x3e0 mm/slub.c:3437 __do_kmalloc_node mm/slab_common.c:954 [inline] __kmalloc+0x4a/0xd0 mm/slab_common.c:968 kmalloc include/linux/slab.h:558 [inline] kzalloc include/linux/slab.h:689 [inline] tomoyo_encode2.part.0+0xe9/0x3a0 security/tomoyo/realpath.c:45 tomoyo_encode2 security/tomoyo/realpath.c:31 [inline] tomoyo_encode+0x2c/0x50 security/tomoyo/realpath.c:80 tomoyo_realpath_from_path+0x185/0x600 security/tomoyo/realpath.c:283 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_perm+0x21f/0x410 security/tomoyo/file.c:822 security_inode_getattr+0xd3/0x140 security/security.c:1347 vfs_getattr fs/stat.c:158 [inline] vfs_statx+0x16e/0x430 fs/stat.c:233 vfs_fstatat+0x90/0xb0 fs/stat.c:267 __do_sys_newfstatat+0x94/0x120 fs/stat.c:437 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1459 [inline] free_pcp_prepare+0x65c/0xd90 mm/page_alloc.c:1509 free_unref_page_prepare mm/page_alloc.c:3387 [inline] free_unref_page+0x1d/0x4d0 mm/page_alloc.c:3483 free_pipe_info+0x2b6/0x3b0 fs/pipe.c:851 put_pipe_info fs/pipe.c:711 [inline] pipe_release+0x2ba/0x310 fs/pipe.c:734 __fput+0x27c/0xa90 fs/file_table.c:320 task_work_run+0x16f/0x270 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd Memory state around the buggy address: ffff88801cb20d80: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff88801cb20e00: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc >ffff88801cb20e80: 00 00 00 00 00 00 00 00 00 06 fc fc fc fc fc fc ^ ffff88801cb20f00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff88801cb20f80: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ==================================================================