UDF-fs: error (device loop0): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) ================================================================== BUG: KASAN: slab-out-of-bounds in udf_write_aext+0x6a7/0x7a0 fs/udf/inode.c:2089 Write of size 4 at addr ffff888013b2d3f8 by task syz-executor683/3547 CPU: 1 PID: 3547 Comm: syz-executor683 Not tainted 6.1.27-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x15f/0x4f0 mm/kasan/report.c:395 kasan_report+0x136/0x160 mm/kasan/report.c:495 udf_write_aext+0x6a7/0x7a0 fs/udf/inode.c:2089 udf_add_entry+0x17b7/0x3350 fs/udf/namei.c:482 udf_mkdir+0x1a8/0xaa0 fs/udf/namei.c:681 vfs_mkdir+0x3b6/0x590 fs/namei.c:4036 do_mkdirat+0x260/0x520 fs/namei.c:4061 __do_sys_mkdir fs/namei.c:4081 [inline] __se_sys_mkdir fs/namei.c:4079 [inline] __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4079 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: 0033:0x7fbaffaddbd9 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:00007ffc4e3d0968 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbaffaddbd9 RDX: 00007fbaffa9bfc3 RSI: 0000000000000000 RDI: 0000000020000200 RBP: 00007fbaffa9d1e0 R08: 0000000000000c07 R09: 0000000000000000 R10: 00007ffc4e3d0830 R11: 0000000000000246 R12: 00007fbaffa9d270 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Allocated by task 3220: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:383 kmalloc include/linux/slab.h:553 [inline] kzalloc include/linux/slab.h:689 [inline] tomoyo_find_next_domain+0x118/0x1cd0 security/tomoyo/domain.c:710 tomoyo_bprm_check_security+0xdb/0x120 security/tomoyo/tomoyo.c:101 security_bprm_check+0x5f/0xa0 security/security.c:869 search_binary_handler fs/exec.c:1715 [inline] exec_binprm fs/exec.c:1768 [inline] bprm_execve+0x850/0x1820 fs/exec.c:1837 do_execveat_common+0x580/0x720 fs/exec.c:1942 do_execve fs/exec.c:2016 [inline] __do_sys_execve fs/exec.c:2092 [inline] __se_sys_execve fs/exec.c:2087 [inline] __x64_sys_execve+0x8e/0xa0 fs/exec.c:2087 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 The buggy address belongs to the object at ffff888013b2d000 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 504 bytes to the right of 512-byte region [ffff888013b2d000, ffff888013b2d200) The buggy address belongs to the physical page: page:ffffea00004ecb00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x13b2c head:ffffea00004ecb00 order:2 compound_mapcount:0 compound_pincount:0 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 dead000000000100 dead000000000122 ffff888012441c80 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 3600789227, free_ts 0 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2533 prep_new_page mm/page_alloc.c:2540 [inline] get_page_from_freelist+0x32ed/0x3480 mm/page_alloc.c:4292 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5559 alloc_page_interleave+0x22/0x1c0 mm/mempolicy.c:2111 alloc_slab_page+0x6a/0x150 mm/slub.c:1794 allocate_slab mm/slub.c:1939 [inline] new_slab+0x84/0x2d0 mm/slub.c:1992 ___slab_alloc+0xa71/0x1080 mm/slub.c:3180 __slab_alloc mm/slub.c:3279 [inline] slab_alloc_node mm/slub.c:3364 [inline] __kmem_cache_alloc_node+0x19f/0x260 mm/slub.c:3437 kmalloc_trace+0x26/0xe0 mm/slab_common.c:1045 kmalloc include/linux/slab.h:553 [inline] kzalloc include/linux/slab.h:689 [inline] crypto_larval_alloc+0x53/0x1c0 crypto/api.c:108 crypto_alloc_test_larval crypto/algapi.c:232 [inline] __crypto_register_alg+0x28c/0x660 crypto/algapi.c:285 crypto_register_alg+0x230/0x3c0 crypto/algapi.c:435 simd_skcipher_create_compat+0x45e/0x6e0 crypto/simd.c:194 simd_register_skciphers_compat+0x114/0x260 crypto/simd.c:249 sm4_init+0x19b/0x231 arch/x86/crypto/sm4_aesni_avx_glue.c:468 do_one_initcall+0x265/0x8f0 init/main.c:1303 page_owner free stack trace missing Memory state around the buggy address: ffff888013b2d280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888013b2d300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888013b2d380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff888013b2d400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888013b2d480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================