loop4: detected capacity change from 0 to 14901
read_mapping_page failed!
jfs_mount: diMount failed w/rc = -5
==================================================================
BUG: KASAN: use-after-free in diFree+0x1fbb/0x2fb0 fs/jfs/jfs_imap.c:871
Read of size 4 at addr ffff888020de0004 by task syz-executor229/7036

CPU: 1 PID: 7036 Comm: syz-executor229 Not tainted 6.2.0-rc8-syzkaller-00015-gf6feea56f66d #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+0x1e7/0x2d0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:306 [inline]
 print_report+0x163/0x4f0 mm/kasan/report.c:417
 kasan_report+0x13a/0x170 mm/kasan/report.c:517
 diFree+0x1fbb/0x2fb0 fs/jfs/jfs_imap.c:871
 jfs_evict_inode+0x32d/0x440 fs/jfs/inode.c:156
 evict+0x2a4/0x620 fs/inode.c:664
 jfs_mount+0x536/0x830 fs/jfs/jfs_mount.c:203
 jfs_fill_super+0x59c/0xc50 fs/jfs/super.c:556
 mount_bdev+0x271/0x3a0 fs/super.c:1359
 legacy_get_tree+0xef/0x190 fs/fs_context.c:610
 vfs_get_tree+0x8c/0x270 fs/super.c:1489
 do_new_mount+0x28f/0xae0 fs/namespace.c:3145
 do_mount fs/namespace.c:3488 [inline]
 __do_sys_mount fs/namespace.c:3697 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3674
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f395a93355a
Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 58 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f395a8d1178 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f395a93355a
RDX: 0000000020005d00 RSI: 0000000020000000 RDI: 00007f395a8d1180
RBP: 0000000000000005 R08: 00007f395a8d11c0 R09: 00007f395a8d11c0
R10: 0000000000000007 R11: 0000000000000286 R12: 00007f395a8d16b8
R13: 00007f395a8d1180 R14: 00007f395a8d11c0 R15: 0000000000000000
 </TASK>

Allocated by task 5094:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4f/0x80 mm/kasan/common.c:52
 ____kasan_kmalloc mm/kasan/common.c:374 [inline]
 __kasan_kmalloc+0x9b/0xb0 mm/kasan/common.c:383
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slab_common.c:968 [inline]
 __kmalloc+0xb3/0x1a0 mm/slab_common.c:981
 kmalloc include/linux/slab.h:584 [inline]
 tomoyo_realpath_from_path+0xcf/0x5e0 security/tomoyo/realpath.c:251
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path2_perm+0x360/0xb20 security/tomoyo/file.c:922
 tomoyo_path_rename+0x198/0x1e0 security/tomoyo/tomoyo.c:299
 security_path_rename+0x173/0x210 security/security.c:1231
 do_renameat2+0x7fc/0x1390 fs/namei.c:4917
 __do_sys_rename fs/namei.c:4976 [inline]
 __se_sys_rename fs/namei.c:4974 [inline]
 __x64_sys_rename+0x86/0x90 fs/namei.c:4974
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Freed by task 5094:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4f/0x80 mm/kasan/common.c:52
 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:523
 ____kasan_slab_free+0xd6/0x120 mm/kasan/common.c:236
 kasan_slab_free include/linux/kasan.h:177 [inline]
 slab_free_hook mm/slub.c:1781 [inline]
 slab_free_freelist_hook mm/slub.c:1807 [inline]
 slab_free mm/slub.c:3787 [inline]
 __kmem_cache_free+0x264/0x3c0 mm/slub.c:3800
 tomoyo_realpath_from_path+0x5a3/0x5e0 security/tomoyo/realpath.c:286
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path2_perm+0x360/0xb20 security/tomoyo/file.c:922
 tomoyo_path_rename+0x198/0x1e0 security/tomoyo/tomoyo.c:299
 security_path_rename+0x173/0x210 security/security.c:1231
 do_renameat2+0x7fc/0x1390 fs/namei.c:4917
 __do_sys_rename fs/namei.c:4976 [inline]
 __se_sys_rename fs/namei.c:4974 [inline]
 __x64_sys_rename+0x86/0x90 fs/namei.c:4974
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

The buggy address belongs to the object at ffff888020de0000
 which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 4 bytes inside of
 4096-byte region [ffff888020de0000, ffff888020de1000)

The buggy address belongs to the physical page:
page:ffffea0000837800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x20de0
head:ffffea0000837800 order:3 compound_mapcount:0 subpages_mapcount:0 compound_pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 ffff888012442140 dead000000000122 0000000000000000
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 0x1d2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 5094, tgid 5094 (udevd), ts 407114823018, free_ts 406989482754
 prep_new_page mm/page_alloc.c:2531 [inline]
 get_page_from_freelist+0x3449/0x35c0 mm/page_alloc.c:4283
 __alloc_pages+0x291/0x7e0 mm/page_alloc.c:5549
 alloc_slab_page+0x6a/0x160 mm/slub.c:1851
 allocate_slab mm/slub.c:1998 [inline]
 new_slab+0x84/0x2f0 mm/slub.c:2051
 ___slab_alloc+0xa85/0x10a0 mm/slub.c:3193
 __slab_alloc mm/slub.c:3292 [inline]
 __slab_alloc_node mm/slub.c:3345 [inline]
 slab_alloc_node mm/slub.c:3442 [inline]
 __kmem_cache_alloc_node+0x1b8/0x2a0 mm/slub.c:3491
 __do_kmalloc_node mm/slab_common.c:967 [inline]
 __kmalloc+0xa2/0x1a0 mm/slab_common.c:981
 kmalloc include/linux/slab.h:584 [inline]
 tomoyo_realpath_from_path+0xcf/0x5e0 security/tomoyo/realpath.c:251
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path2_perm+0x360/0xb20 security/tomoyo/file.c:922
 tomoyo_path_rename+0x198/0x1e0 security/tomoyo/tomoyo.c:299
 security_path_rename+0x173/0x210 security/security.c:1231
 do_renameat2+0x7fc/0x1390 fs/namei.c:4917
 __do_sys_rename fs/namei.c:4976 [inline]
 __se_sys_rename fs/namei.c:4974 [inline]
 __x64_sys_rename+0x86/0x90 fs/namei.c:4974
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 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 mm/page_alloc.c:1496 [inline]
 free_unref_page_prepare+0xf3a/0x1040 mm/page_alloc.c:3369
 free_unref_page+0x37/0x3f0 mm/page_alloc.c:3464
 discard_slab mm/slub.c:2098 [inline]
 __unfreeze_partials+0x1b1/0x1f0 mm/slub.c:2637
 put_cpu_partial+0x116/0x180 mm/slub.c:2713
 qlist_free_all+0x22/0x60 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x15a/0x170 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:305
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x68/0x390 mm/slab.h:761
 slab_alloc_node mm/slub.c:3452 [inline]
 slab_alloc mm/slub.c:3460 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3467 [inline]
 kmem_cache_alloc+0x12c/0x280 mm/slub.c:3476
 kmem_cache_zalloc include/linux/slab.h:710 [inline]
 taskstats_tgid_alloc kernel/taskstats.c:583 [inline]
 taskstats_exit+0xcf/0x920 kernel/taskstats.c:622
 do_exit+0x583/0x2210 kernel/exit.c:852
 do_group_exit+0x206/0x2c0 kernel/exit.c:1012
 __do_sys_exit_group kernel/exit.c:1023 [inline]
 __se_sys_exit_group kernel/exit.c:1021 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1021
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Memory state around the buggy address:
 ffff888020ddff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888020ddff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888020de0000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff888020de0080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888020de0100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================