F2FS-fs (loop4): Cannot turn on quotas: -2 on 2
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BUG: KASAN: use-after-free in f2fs_evict_inode+0x1058/0x1380 fs/f2fs/inode.c:650
Read of size 4 at addr ffff888094cb5950 by task syz-executor.4/11409

CPU: 1 PID: 11409 Comm: syz-executor.4 Not tainted 4.19.149-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x22c/0x33e lib/dump_stack.c:118
 print_address_description.cold+0x56/0x25c mm/kasan/report.c:256
 kasan_report_error.cold+0x66/0xb9 mm/kasan/report.c:354
 kasan_report mm/kasan/report.c:412 [inline]
 __asan_report_load4_noabort+0x88/0x90 mm/kasan/report.c:432
 f2fs_evict_inode+0x1058/0x1380 fs/f2fs/inode.c:650
 evict+0x2ed/0x780 fs/inode.c:559
 iput_final fs/inode.c:1555 [inline]
 iput+0x511/0x890 fs/inode.c:1581
 dentry_unlink_inode+0x265/0x320 fs/dcache.c:374
 __dentry_kill+0x3c0/0x640 fs/dcache.c:566
 dentry_kill+0xc4/0x510 fs/dcache.c:685
 shrink_dentry_list+0x2eb/0x740 fs/dcache.c:1092
 shrink_dcache_sb+0x144/0x220 fs/dcache.c:1212
 f2fs_fill_super+0x2d89/0x7920 fs/f2fs/super.c:3225
 mount_bdev+0x2fc/0x3b0 fs/super.c:1158
 mount_fs+0xa3/0x318 fs/super.c:1261
 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x51c/0x2f10 fs/namespace.c:2799
 ksys_mount+0xcf/0x130 fs/namespace.c:3015
 __do_sys_mount fs/namespace.c:3029 [inline]
 __se_sys_mount fs/namespace.c:3026 [inline]
 __x64_sys_mount+0xba/0x150 fs/namespace.c:3026
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4607ea
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad 89 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 8a 89 fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007f786c4eea88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f786c4eeb20 RCX: 00000000004607ea
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f786c4eeae0
RBP: 00007f786c4eeae0 R08: 00007f786c4eeb20 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020000880

Allocated by task 11409:
 kmem_cache_alloc_trace+0x12f/0x4b0 mm/slab.c:3625
 kmalloc include/linux/slab.h:515 [inline]
 kzalloc include/linux/slab.h:709 [inline]
 f2fs_fill_super+0x145/0x7920 fs/f2fs/super.c:2821
 mount_bdev+0x2fc/0x3b0 fs/super.c:1158
 mount_fs+0xa3/0x318 fs/super.c:1261
 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x51c/0x2f10 fs/namespace.c:2799
 ksys_mount+0xcf/0x130 fs/namespace.c:3015
 __do_sys_mount fs/namespace.c:3029 [inline]
 __se_sys_mount fs/namespace.c:3026 [inline]
 __x64_sys_mount+0xba/0x150 fs/namespace.c:3026
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

Freed by task 11409:
 __cache_free mm/slab.c:3503 [inline]
 kfree+0xcc/0x250 mm/slab.c:3822
 f2fs_fill_super+0x2d5e/0x7920 fs/f2fs/super.c:3220
 mount_bdev+0x2fc/0x3b0 fs/super.c:1158
 mount_fs+0xa3/0x318 fs/super.c:1261
 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x51c/0x2f10 fs/namespace.c:2799
 ksys_mount+0xcf/0x130 fs/namespace.c:3015
 __do_sys_mount fs/namespace.c:3029 [inline]
 __se_sys_mount fs/namespace.c:3026 [inline]
 __x64_sys_mount+0xba/0x150 fs/namespace.c:3026
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

The buggy address belongs to the object at ffff888094cb4c00
 which belongs to the cache kmalloc-8192 of size 8192
The buggy address is located 3408 bytes inside of
 8192-byte region [ffff888094cb4c00, ffff888094cb6c00)
The buggy address belongs to the page:
page:ffffea0002532d00 count:1 mapcount:0 mapping:ffff88812c3f5080 index:0x0 compound_mapcount: 0
flags: 0xfffe0000008100(slab|head)
raw: 00fffe0000008100 ffffea00010fb408 ffffea000125d008 ffff88812c3f5080
raw: 0000000000000000 ffff888094cb4c00 0000000100000001 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff888094cb5800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888094cb5880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888094cb5900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                 ^
 ffff888094cb5980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888094cb5a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
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