------------[ cut here ]------------ WARNING: CPU: 1 PID: 5104 at fs/ext4/inode.c:5325 ext4_write_inode+0x66f/0x740 Modules linked in: CPU: 1 PID: 5104 Comm: syz-executor.1 Not tainted 6.3.0-rc2-syzkaller-00006-gfc89d7fb499b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:ext4_write_inode+0x66f/0x740 fs/ext4/inode.c:5325 Code: fb ff ff ff 4d 85 ff 74 12 e8 ed c1 50 ff 4c 89 ff e8 a5 78 c6 ff e9 d3 fd ff ff e8 db c1 50 ff e9 c9 fd ff ff e8 d1 c1 50 ff <0f> 0b e9 bd fd ff ff e8 c5 c1 50 ff e9 7e fd ff ff 44 89 f1 80 e1 RSP: 0018:ffffc9000443eec0 EFLAGS: 00010293 RAX: ffffffff823a85af RBX: 0000000000000800 RCX: ffff888018af3a80 RDX: 0000000000000000 RSI: 0000000000000800 RDI: 0000000000000000 RBP: ffffc9000443efb0 R08: ffffffff823a8004 R09: fffffbfff1ca8066 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888045abbee0 R13: 1ffff92000887ddc R14: 0000000000000000 R15: 0000000000400940 FS: 0000555556566400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4d4cbad988 CR3: 000000004eb91000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: write_inode fs/fs-writeback.c:1453 [inline] __writeback_single_inode+0x829/0x1370 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+0x6c1/0xa30 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+0x5a6/0xf50 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+0x49f/0xba0 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:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x64/0x2e0 kernel/entry/common.c:296 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd12988bc68 Code: 24 18 31 c0 41 83 e2 40 75 40 89 f0 25 00 00 41 00 3d 00 00 41 00 74 32 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 40 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 RSP: 002b:00007ffc592c50c0 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 RAX: 0000000000000006 RBX: 0000000000000000 RCX: 00007fd12988bc68 RDX: 0000000000090800 RSI: 00007ffc592c62f0 RDI: 00000000ffffff9c RBP: 00007ffc592c62f0 R08: 0000000000090800 R09: 00007ffc592c62f0 R10: 0000000000000000 R11: 0000000000000287 R12: 00007fd1298e6b24 R13: 00007ffc592c62f0 R14: 000055555656f850 R15: 00007ffc592c84f0