syzbot

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WARNING: CPU: 1 PID: 18182 at fs/ext4/inode.c:5325 ext4_write_inode+0x66f/0x740
Modules linked in:
CPU: 1 PID: 18182 Comm: syz-executor.1 Not tainted 6.3.0-rc6-syzkaller-00188-g3e7bb4f24617 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
RIP: 0010:ext4_write_inode+0x66f/0x740 fs/ext4/inode.c:5325
Code: fb ff ff ff 4d 85 ff 74 12 e8 0d 76 51 ff 4c 89 ff e8 05 e3 c6 ff e9 d3 fd ff ff e8 fb 75 51 ff e9 c9 fd ff ff e8 f1 75 51 ff <0f> 0b e9 bd fd ff ff e8 e5 75 51 ff e9 7e fd ff ff 44 89 f1 80 e1
RSP: 0018:ffffc9000618eec0 EFLAGS: 00010246
RAX: ffffffff823900cf RBX: 0000000000000800 RCX: 0000000000040000
RDX: ffffc9000c0ab000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc9000618efb0 R08: ffffffff8238fb24 R09: fffffbfff1ca6946
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880793f82b0
R13: 1ffff92000c31ddc R14: 0000000000000000 R15: 0000000000400840
FS:  00007f77fa1fe700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31b36000 CR3: 000000001ca84000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 write_inode fs/fs-writeback.c:1453 [inline]
 __writeback_single_inode+0x69b/0xfb0 fs/fs-writeback.c:1665
 writeback_single_inode+0x21b/0x790 fs/fs-writeback.c:1721
 write_inode_now+0x1d3/0x260 fs/fs-writeback.c:2757
 iput_final fs/inode.c:1735 [inline]
 iput+0x59a/0x8f0 fs/inode.c:1774
 __dentry_kill+0x436/0x650 fs/dcache.c:607
 dentry_kill+0xbb/0x290
 dput+0x1f3/0x420 fs/dcache.c:913
 ovl_destroy_inode+0x40/0xf0 fs/overlayfs/super.c:214
 destroy_inode fs/inode.c:310 [inline]
 evict+0x542/0x620 fs/inode.c:680
 __dentry_kill+0x436/0x650 fs/dcache.c:607
 shrink_dentry_list+0x39c/0x6a0 fs/dcache.c:1201
 prune_dcache_sb+0x10f/0x170 fs/dcache.c:1282
 super_cache_scan+0x340/0x480 fs/super.c:104
 do_shrink_slab+0x544/0xdb0 mm/vmscan.c:853
 shrink_slab_memcg mm/vmscan.c:922 [inline]
 shrink_slab+0x578/0x8c0 mm/vmscan.c:1001
 shrink_node_memcgs mm/vmscan.c:6439 [inline]
 shrink_node+0x1143/0x2730 mm/vmscan.c:6473
 shrink_zones mm/vmscan.c:6711 [inline]
 do_try_to_free_pages+0x67e/0x1900 mm/vmscan.c:6773
 try_to_free_mem_cgroup_pages+0x455/0xa50 mm/vmscan.c:7088
 reclaim_high+0x1e5/0x270 mm/memcontrol.c:2403
 mem_cgroup_handle_over_high+0x14a/0x2b0 mm/memcontrol.c:2588
 resume_user_mode_work include/linux/resume_user_mode.h:58 [inline]
 exit_to_user_mode_loop+0x96/0x100 kernel/entry/common.c:171
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:297
 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7803a8c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f77fa1fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: 0000000000000000 RBX: 00007f7803bac050 RCX: 00007f7803a8c169
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000300
RBP: 00007f7803ae7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcb684dadf R14: 00007f77fa1fe300 R15: 0000000000022000
 </TASK>