------------[ cut here ]------------ WARNING: CPU: 0 PID: 3633 at fs/ext4/inode.c:5217 ext4_write_inode+0x66b/0x730 Modules linked in: CPU: 0 PID: 3633 Comm: syz-executor.1 Not tainted 5.15.104-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:ext4_write_inode+0x66b/0x730 fs/ext4/inode.c:5217 Code: 4b 98 64 ff 4d 85 ff 74 12 e8 41 98 64 ff 4c 89 ff e8 09 4d c9 ff e9 d3 fd ff ff e8 2f 98 64 ff e9 c9 fd ff ff e8 25 98 64 ff <0f> 0b e9 bd fd ff ff e8 19 98 64 ff e9 7e fd ff ff 44 89 f1 80 e1 RSP: 0018:ffffc90002efee80 EFLAGS: 00010293 RAX: ffffffff821b1fbb RBX: 0000000000000800 RCX: ffff88807b82d700 RDX: 0000000000000000 RSI: 0000000000000800 RDI: 0000000000000000 RBP: ffffc90002efef70 R08: ffffffff821b1a10 R09: fffffbfff1bc62ee R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88803b7ae650 R13: 1ffff920005dfdd4 R14: 0000000000000000 R15: 0000000000400940 FS: 0000555556f7c400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c017467000 CR3: 00000000333a5000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: write_inode fs/fs-writeback.c:1475 [inline] __writeback_single_inode+0x644/0xe30 fs/fs-writeback.c:1680 writeback_single_inode+0x22c/0x960 fs/fs-writeback.c:1735 write_inode_now+0x26e/0x2f0 fs/fs-writeback.c:2775 iput_final fs/inode.c:1650 [inline] iput+0x5ce/0x8b0 fs/inode.c:1689 __dentry_kill+0x436/0x650 fs/dcache.c:582 dentry_kill+0xbb/0x290 dput+0x1f1/0x420 fs/dcache.c:888 ovl_destroy_inode+0x3c/0xe0 fs/overlayfs/super.c:213 destroy_inode fs/inode.c:286 [inline] evict+0x542/0x620 fs/inode.c:602 __dentry_kill+0x436/0x650 fs/dcache.c:582 shrink_dentry_list+0x398/0x6a0 fs/dcache.c:1176 prune_dcache_sb+0x10b/0x170 fs/dcache.c:1257 super_cache_scan+0x33c/0x480 fs/super.c:105 do_shrink_slab+0x542/0xda0 mm/vmscan.c:758 shrink_slab_memcg mm/vmscan.c:827 [inline] shrink_slab+0x5a1/0x960 mm/vmscan.c:906 shrink_node_memcgs mm/vmscan.c:2951 [inline] shrink_node+0x1113/0x25d0 mm/vmscan.c:3072 shrink_zones mm/vmscan.c:3275 [inline] do_try_to_free_pages+0x650/0x1670 mm/vmscan.c:3330 try_to_free_mem_cgroup_pages+0x44c/0xa60 mm/vmscan.c:3644 reclaim_high+0x1e6/0x270 mm/memcontrol.c:2352 mem_cgroup_handle_over_high+0x146/0x2b0 mm/memcontrol.c:2536 tracehook_notify_resume include/linux/tracehook.h:198 [inline] exit_to_user_mode_loop+0xc3/0x130 kernel/entry/common.c:175 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:300 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f86db41fc68 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:00007ffdebdf3770 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 RAX: 0000000000000003 RBX: 00000000000001a6 RCX: 00007f86db41fc68 RDX: 0000000000090800 RSI: 00007ffdebdf4960 RDI: 00000000ffffff9c RBP: 00007ffdebdf493c R08: 0000000000090800 R09: 00007ffdebdf4960 R10: 0000000000000000 R11: 0000000000000287 R12: 00007f86db47ab74 R13: 00007ffdebdf4960 R14: 000000000000000a R15: 00007ffdebdf49a0