------------[ cut here ]------------ WARNING: CPU: 0 PID: 14371 at fs/ext4/inode.c:5136 ext4_write_inode+0x337/0x590 fs/ext4/inode.c:5136 Modules linked in: CPU: 0 PID: 14371 Comm: syz-executor.0 Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:ext4_write_inode+0x337/0x590 fs/ext4/inode.c:5136 Code: b6 04 02 84 c0 74 08 3c 03 0f 8e 3d 02 00 00 8b b5 a8 06 00 00 4c 89 f7 e8 d6 3e 12 00 41 89 c4 e9 ed fd ff ff e8 e9 01 57 ff <0f> 0b 45 31 e4 e9 de fd ff ff e8 da 01 57 ff 48 89 ef 48 8d 74 24 RSP: 0018:ffffc900036ef258 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 1ffff920006dde4b RCX: 0000000000000000 RDX: ffff888026c99dc0 RSI: ffffffff822d21c7 RDI: 0000000000000005 RBP: ffff8880786766b0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000800 R11: 0000000000000010 R12: 0000000000000800 R13: ffffc900036ef3d8 R14: dffffc0000000000 R15: ffff8880786766d8 FS: 0000555555898400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2de26000 CR3: 000000007e7af000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: write_inode fs/fs-writeback.c:1456 [inline] __writeback_single_inode+0x9f2/0xdb0 fs/fs-writeback.c:1668 writeback_single_inode+0x2ad/0x590 fs/fs-writeback.c:1724 write_inode_now+0x16e/0x1e0 fs/fs-writeback.c:2766 iput_final fs/inode.c:1734 [inline] iput fs/inode.c:1773 [inline] iput+0x5bd/0x7a0 fs/inode.c:1759 dentry_unlink_inode+0x2b1/0x460 fs/dcache.c:401 __dentry_kill+0x3c0/0x640 fs/dcache.c:607 dentry_kill fs/dcache.c:745 [inline] dput+0x6ac/0xe10 fs/dcache.c:913 ovl_destroy_inode+0x3c/0x110 fs/overlayfs/super.c:214 destroy_inode+0xc4/0x1b0 fs/inode.c:310 iput_final fs/inode.c:1747 [inline] iput fs/inode.c:1773 [inline] iput+0x4a7/0x7a0 fs/inode.c:1759 dentry_unlink_inode+0x2b1/0x460 fs/dcache.c:401 __dentry_kill+0x3c0/0x640 fs/dcache.c:607 shrink_dentry_list+0x12c/0x4f0 fs/dcache.c:1201 prune_dcache_sb+0xeb/0x150 fs/dcache.c:1282 super_cache_scan+0x33a/0x590 fs/super.c:104 do_shrink_slab+0x428/0xaa0 mm/vmscan.c:912 shrink_slab_memcg mm/vmscan.c:982 [inline] shrink_slab+0x4aa/0x8a0 mm/vmscan.c:1062 shrink_node_memcgs mm/vmscan.c:6469 [inline] shrink_node+0x7ce/0x3500 mm/vmscan.c:6502 shrink_zones mm/vmscan.c:6737 [inline] do_try_to_free_pages+0x3b4/0x17b0 mm/vmscan.c:6799 try_to_free_mem_cgroup_pages+0x368/0x840 mm/vmscan.c:7114 reclaim_high.constprop.0+0x182/0x230 mm/memcontrol.c:2414 mem_cgroup_handle_over_high+0x190/0x520 mm/memcontrol.c:2599 resume_user_mode_work include/linux/resume_user_mode.h:58 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x14c/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9d89c3e01b Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44 RSP: 002b:00007ffcb88f05b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f9d89c3e01b RDX: 0000001b2dc20000 RSI: 0000001b2dc25d50 RDI: 0000000000000004 RBP: 00007f9d89dad980 R08: 0000000000000000 R09: 000000004521c8c0 R10: 00007ffcb8965090 R11: 0000000000000293 R12: 00000000001fca95 R13: 00007ffcb88f06b0 R14: 00007f9d89dac050 R15: 0000000000000032