UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
==================================================================
BUG: KASAN: slab-out-of-bounds in udf_write_aext+0x7e9/0x8f0 fs/udf/inode.c:2088
Write of size 4 at addr ffff88802b04fff0 by task syz-executor357/5066

CPU: 1 PID: 5066 Comm: syz-executor357 Not tainted 6.2.0-rc7-syzkaller-00216-gf339c2597ebb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Call Trace:
 <TASK>
 __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:306 [inline]
 print_report+0x15e/0x45d mm/kasan/report.c:417
 kasan_report+0xbf/0x1f0 mm/kasan/report.c:517
 udf_write_aext+0x7e9/0x8f0 fs/udf/inode.c:2088
 udf_add_entry+0xd03/0x2ac0 fs/udf/namei.c:482
 udf_mkdir+0x149/0x650 fs/udf/namei.c:681
 vfs_mkdir+0x48d/0x740 fs/namei.c:4036
 do_mkdirat+0x27b/0x2f0 fs/namei.c:4061
 __do_sys_mkdir fs/namei.c:4081 [inline]
 __se_sys_mkdir fs/namei.c:4079 [inline]
 __x64_sys_mkdir+0xf6/0x140 fs/namei.c:4079
 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: 0033:0x7f2ee5af2447
Code: ff ff ff ff c3 66 0f 1f 44 00 00 48 c7 c0 c0 ff ff ff 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 53 00 00 00 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:00007fffdb914b08 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 0000555556fba2c0 RCX: 00007f2ee5af2447
RDX: 0000000000046000 RSI: 00000000000001ff RDI: 0000000020000300
RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
R10: 00007fffdb914ba0 R11: 0000000000000286 R12: 0000000020000300
R13: 0000000000000000 R14: 0000000000000000 R15: 00007fffdb914ba0
 </TASK>

Allocated by task 4780:
 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:968 [inline]
 __kmalloc+0x5a/0xd0 mm/slab_common.c:981
 kmalloc include/linux/slab.h:584 [inline]
 tomoyo_realpath_from_path+0xc3/0x600 security/tomoyo/realpath.c:251
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_perm+0x22d/0x430 security/tomoyo/file.c:822
 security_inode_getattr+0xd3/0x140 security/security.c:1375
 vfs_getattr fs/stat.c:161 [inline]
 vfs_statx+0x16e/0x430 fs/stat.c:236
 vfs_fstatat+0x90/0xb0 fs/stat.c:270
 __do_sys_newfstatat+0x94/0x120 fs/stat.c:440
 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 ffff88802b04e000
 which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 4080 bytes to the right of
 4096-byte region [ffff88802b04e000, ffff88802b04f000)

The buggy address belongs to the physical page:
page:ffffea0000ac1200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2b048
head:ffffea0000ac1200 order:3 compound_mapcount:0 subpages_mapcount:0 compound_pincount:0
anon flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 ffff888012442140 0000000000000000 dead000000000001
raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 4442, tgid 4442 (udevd), ts 20288340631, free_ts 20284920129
 prep_new_page mm/page_alloc.c:2531 [inline]
 get_page_from_freelist+0x119c/0x2ce0 mm/page_alloc.c:4283
 __alloc_pages+0x1cb/0x5b0 mm/page_alloc.c:5549
 alloc_pages+0x1aa/0x270 mm/mempolicy.c:2287
 alloc_slab_page mm/slub.c:1851 [inline]
 allocate_slab+0x25f/0x350 mm/slub.c:1998
 new_slab mm/slub.c:2051 [inline]
 ___slab_alloc+0xa91/0x1400 mm/slub.c:3193
 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3292
 __slab_alloc_node mm/slub.c:3345 [inline]
 slab_alloc_node mm/slub.c:3442 [inline]
 __kmem_cache_alloc_node+0x1a4/0x430 mm/slub.c:3491
 __do_kmalloc_node mm/slab_common.c:967 [inline]
 __kmalloc+0x4a/0xd0 mm/slab_common.c:981
 kmalloc include/linux/slab.h:584 [inline]
 tomoyo_realpath_from_path+0xc3/0x600 security/tomoyo/realpath.c:251
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_perm+0x22d/0x430 security/tomoyo/file.c:822
 security_inode_getattr+0xd3/0x140 security/security.c:1375
 vfs_getattr fs/stat.c:161 [inline]
 vfs_statx+0x16e/0x430 fs/stat.c:236
 vfs_fstatat+0x90/0xb0 fs/stat.c:270
 __do_sys_newfstatat+0x94/0x120 fs/stat.c:440
 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
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1446 [inline]
 free_pcp_prepare+0x65c/0xc00 mm/page_alloc.c:1496
 free_unref_page_prepare mm/page_alloc.c:3369 [inline]
 free_unref_page+0x1d/0x490 mm/page_alloc.c:3464
 __unfreeze_partials+0x17c/0x1a0 mm/slub.c:2637
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x192/0x220 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x66/0x90 mm/kasan/common.c:302
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slab.h:761 [inline]
 slab_alloc_node mm/slub.c:3452 [inline]
 __kmem_cache_alloc_node+0x1ea/0x430 mm/slub.c:3491
 __do_kmalloc_node mm/slab_common.c:967 [inline]
 __kmalloc+0x4a/0xd0 mm/slab_common.c:981
 kmalloc include/linux/slab.h:584 [inline]
 tomoyo_realpath_from_path+0xc3/0x600 security/tomoyo/realpath.c:251
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path2_perm+0x276/0x6e0 security/tomoyo/file.c:922
 tomoyo_path_rename+0x102/0x1b0 security/tomoyo/tomoyo.c:299
 security_path_rename+0x121/0x230 security/security.c:1231
 do_renameat2+0x476/0xc30 fs/namei.c:4917
 __do_sys_rename fs/namei.c:4976 [inline]
 __se_sys_rename fs/namei.c:4974 [inline]
 __x64_sys_rename+0x81/0xa0 fs/namei.c:4974
 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

Memory state around the buggy address:
 ffff88802b04fe80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88802b04ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88802b04ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                                                             ^
 ffff88802b050000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88802b050080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================