------------[ cut here ]------------ WARNING: CPU: 0 PID: 3606 at fs/ext4/inode.c:5160 ext4_write_inode+0x333/0x5a0 fs/ext4/inode.c:5160 Modules linked in: CPU: 0 PID: 3606 Comm: syz-executor.1 Not tainted 5.17.0-rc6-syzkaller-00046-g719fce7539cd #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ext4_write_inode+0x333/0x5a0 fs/ext4/inode.c:5160 Code: b6 04 02 84 c0 74 08 3c 03 0f 8e 46 02 00 00 8b b5 b0 06 00 00 4c 89 f7 e8 4a 20 12 00 41 89 c4 e9 ed fd ff ff e8 7d b1 63 ff <0f> 0b 45 31 e4 e9 de fd ff ff e8 6e b1 63 ff 48 89 ef 48 8d 74 24 RSP: 0018:ffffc9000289f2c8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 1ffff92000513e59 RCX: 0000000000000000 RDX: ffff88807d85d700 RSI: ffffffff8214fb23 RDI: 0000000000000003 RBP: ffff88805a4bf048 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff8214f8a1 R11: 0000000000000000 R12: 0000000000000800 R13: ffffc9000289f428 R14: dffffc0000000000 R15: ffff88805a4bf070 FS: 0000555556c46400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f268d052218 CR3: 000000005fe49000 CR4: 0000000000350ef0 Call Trace: write_inode fs/fs-writeback.c:1471 [inline] __writeback_single_inode+0xb70/0x10d0 fs/fs-writeback.c:1683 writeback_single_inode+0x2a5/0x460 fs/fs-writeback.c:1739 write_inode_now+0x15c/0x1d0 fs/fs-writeback.c:2739 iput_final fs/inode.c:1731 [inline] iput.part.0+0x460/0x820 fs/inode.c:1770 iput+0x58/0x70 fs/inode.c:1760 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+0x64d/0xdb0 fs/dcache.c:913 ovl_destroy_inode+0x38/0x110 fs/overlayfs/super.c:207 destroy_inode+0xc4/0x1b0 fs/inode.c:310 iput_final fs/inode.c:1744 [inline] iput.part.0+0x562/0x820 fs/inode.c:1770 iput+0x58/0x70 fs/inode.c:1760 dentry_unlink_inode+0x2b1/0x460 fs/dcache.c:401 __dentry_kill+0x3c0/0x640 fs/dcache.c:607 shrink_dentry_list+0x23c/0x800 fs/dcache.c:1201 prune_dcache_sb+0xe7/0x140 fs/dcache.c:1282 super_cache_scan+0x336/0x590 fs/super.c:104 do_shrink_slab+0x42d/0xbd0 mm/vmscan.c:773 shrink_slab_memcg mm/vmscan.c:842 [inline] shrink_slab+0x3ee/0x6f0 mm/vmscan.c:921 shrink_node_memcgs mm/vmscan.c:3174 [inline] shrink_node+0x8c1/0x1eb0 mm/vmscan.c:3295 shrink_zones mm/vmscan.c:3532 [inline] do_try_to_free_pages+0x3b5/0x1700 mm/vmscan.c:3590 try_to_free_mem_cgroup_pages+0x323/0x920 mm/vmscan.c:3904 reclaim_high.constprop.0+0x190/0x250 mm/memcontrol.c:2300 mem_cgroup_handle_over_high+0x18c/0x540 mm/memcontrol.c:2484 tracehook_notify_resume include/linux/tracehook.h:197 [inline] exit_to_user_mode_loop kernel/entry/common.c:175 [inline] exit_to_user_mode_prepare+0x1ab/0x290 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f4dfd021b88 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:00007ffd32fdb9a0 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 RAX: 0000000000000005 RBX: 0000000000000000 RCX: 00007f4dfd021b88 RDX: 0000000000090800 RSI: 00007ffd32fdcbd0 RDI: 00000000ffffff9c RBP: 00007ffd32fdcbd0 R08: 0000000000090800 R09: 00007ffd32fdcbd0 R10: 0000000000000000 R11: 0000000000000287 R12: 00007f4dfd07b1ea R13: 00007ffd32fdcbd0 R14: 0000555556c47810 R15: 00007ffd32fddcd0