read_mapping_page failed!
ERROR: (device loop6): txCommit: 
==================================================================
BUG: KASAN: slab-use-after-free in jfs_readdir+0x1a18/0x3c10
Read of size 1 at addr ffff88801d4f9b85 by task syz.6.169/7187

CPU: 0 UID: 0 PID: 7187 Comm: syz.6.169 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+0xe8/0x150
 print_report+0xba/0x230
 kasan_report+0x117/0x150
 jfs_readdir+0x1a18/0x3c10
 wrap_directory_iterator+0x96/0xe0
 iterate_dir+0x399/0x570
 __se_sys_getdents64+0xf1/0x280
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa4bb39c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa4bc2b7028 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 00007fa4bb615fa0 RCX: 00007fa4bb39c799
RDX: 0000000000000091 RSI: 0000200000000440 RDI: 0000000000000005
RBP: 00007fa4bb432c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa4bb616038 R14: 00007fa4bb615fa0 R15: 00007ffcda7b5cd8
 </TASK>

Allocated by task 7187:
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_lru_noprof+0x2b8/0x640
 jfs_alloc_inode+0x28/0x70
 alloc_inode+0x6a/0x1b0
 new_inode+0x22/0x170
 ialloc+0x4c/0x8f0
 jfs_create+0x1da/0xb10
 path_openat+0x1395/0x3860
 do_file_open+0x23e/0x4a0
 do_sys_openat2+0x113/0x200
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 0:
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x5c/0x80
 kmem_cache_free+0x187/0x630
 rcu_core+0x7cd/0x1070
 handle_softirqs+0x22a/0x870
 __irq_exit_rcu+0x5f/0x150
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20

Last potentially related work creation:
 kasan_save_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 call_rcu+0xee/0x890
 evict+0x95b/0xb10
 jfs_create+0x503/0xb10
 path_openat+0x1395/0x3860
 do_file_open+0x23e/0x4a0
 do_sys_openat2+0x113/0x200
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88801d4f9b78
 which belongs to the cache jfs_ip of size 2216
The buggy address is located 13 bytes inside of
 freed 2216-byte region [ffff88801d4f9b78, ffff88801d4fa420)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1d4f8
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
memcg:ffff88801d4ff709
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff888103ee53c0 dead000000000100 dead000000000122
raw: 0000000000000000 00000008000d000d 00000000f5000000 ffff88801d4ff709
head: 00fff00000000040 ffff888103ee53c0 dead000000000100 dead000000000122
head: 0000000000000000 00000008000d000d 00000000f5000000 ffff88801d4ff709
head: 00fff00000000003 ffffea0000753e01 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 5900, tgid 5899 (syz.1.6), ts 68802207573, free_ts 0
 post_alloc_hook+0x231/0x280
 get_page_from_freelist+0x24dc/0x2580
 __alloc_frozen_pages_noprof+0x18d/0x380
 allocate_slab+0x77/0x660
 refill_objects+0x331/0x3c0
 __pcs_replace_empty_main+0x40a/0x730
 kmem_cache_alloc_lru_noprof+0x37c/0x640
 jfs_alloc_inode+0x28/0x70
 alloc_inode+0x6a/0x1b0
 new_inode+0x22/0x170
 jfs_fill_super+0x569/0xd80
 get_tree_bdev_flags+0x431/0x4f0
 vfs_get_tree+0x92/0x2a0
 do_new_mount+0x341/0xd30
 __se_sys_mount+0x31d/0x420
 do_syscall_64+0x14d/0xf80
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88801d4f9a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
 ffff88801d4f9b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fa
>ffff88801d4f9b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff88801d4f9c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88801d4f9c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
