loop1: detected capacity change from 0 to 32768
==================================================================
BUG: KASAN: slab-out-of-bounds in dtSearch+0x1683/0x21b0
Read of size 1 at addr ffff88802a48d2a0 by task syz.1.426/8178

CPU: 0 UID: 0 PID: 8178 Comm: syz.1.426 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250
 print_report+0xca/0x240
 kasan_report+0x118/0x150
 dtSearch+0x1683/0x21b0
 jfs_lookup+0x155/0x380
 path_openat+0x1101/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f658d78ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f658e5f8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f658d9c5fa0 RCX: 00007f658d78ebe9
RDX: 0000000000101101 RSI: 0000200000000300 RDI: ffffffffffffff9c
RBP: 00007f658d811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000013b R11: 0000000000000246 R12: 0000000000000000
R13: 00007f658d9c6038 R14: 00007f658d9c5fa0 R15: 00007ffd80d70938
 </TASK>

Allocated by task 8178:
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_lru_noprof+0x1c6/0x3d0
 jfs_alloc_inode+0x28/0x70
 alloc_inode+0x6a/0x1b0
 new_inode+0x22/0x170
 ialloc+0x4c/0x8f0
 jfs_create+0x18d/0xa80
 path_openat+0x14f4/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88802a48c9c0
 which belongs to the cache jfs_ip of size 2232
The buggy address is located 40 bytes to the right of
 allocated 2232-byte region [ffff88802a48c9c0, ffff88802a48d278)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88802a48b750 pfn:0x2a488
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
memcg:ffff88803932c701
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88810622b280 dead000000000122 0000000000000000
raw: ffff88802a48b750 00000000800d000b 00000000f5000000 ffff88803932c701
head: 00fff00000000040 ffff88810622b280 dead000000000122 0000000000000000
head: ffff88802a48b750 00000000800d000b 00000000f5000000 ffff88803932c701
head: 00fff00000000003 ffffea0000a92201 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Reclaimable, gfp_mask 0xd2050(__GFP_RECLAIMABLE|__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 7295, tgid 7294 (syz.2.268), ts 131752767064, free_ts 118765589356
 post_alloc_hook+0x240/0x2a0
 get_page_from_freelist+0x21e4/0x22c0
 __alloc_frozen_pages_noprof+0x181/0x370
 alloc_pages_mpol+0x232/0x4a0
 allocate_slab+0x8a/0x370
 ___slab_alloc+0xbeb/0x1410
 kmem_cache_alloc_lru_noprof+0x288/0x3d0
 jfs_alloc_inode+0x28/0x70
 alloc_inode+0x6a/0x1b0
 new_inode+0x22/0x170
 jfs_fill_super+0x569/0xd80
 get_tree_bdev_flags+0x40e/0x4d0
 vfs_get_tree+0x92/0x2b0
 do_new_mount+0x2a2/0x9e0
 __se_sys_mount+0x317/0x410
 do_syscall_64+0xfa/0x3b0
page last free pid 5296 tgid 5296 stack trace:
 __free_frozen_pages+0xbc4/0xd30
 __slab_free+0x303/0x3c0
 qlist_free_all+0x97/0x140
 kasan_quarantine_reduce+0x148/0x160
 __kasan_kmalloc+0x22/0xb0
 __kmalloc_noprof+0x27a/0x4f0
 tomoyo_realpath_from_path+0xe3/0x5d0
 tomoyo_path_perm+0x213/0x4b0
 security_inode_getattr+0x12f/0x330
 vfs_fstatat+0xb1/0x170
 __x64_sys_newfstatat+0x116/0x190
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff88802a48d180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88802a48d200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
>ffff88802a48d280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                               ^
 ffff88802a48d300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88802a48d380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
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