------------[ cut here ]------------ WARNING: CPU: 1 PID: 6650 at fs/ext4/inode.c:3512 ext4_dirty_folio+0x15a/0x310 fs/ext4/inode.c:3512 Modules linked in: CPU: 1 PID: 6650 Comm: syz-executor.4 Not tainted 6.9.0-rc7-syzkaller-00012-gdccb07f2914c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:ext4_dirty_folio+0x15a/0x310 fs/ext4/inode.c:3512 Code: 83 3b 00 74 1f e8 c6 2e 3e ff 48 8b 3c 24 4c 89 fe 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 5c 35 c2 ff e8 a7 2e 3e ff 90 <0f> 0b 90 eb db e8 9c 2e 3e ff 90 0f 0b 90 eb ab e8 91 2e 3e ff 4c RSP: 0018:ffffc9000389f938 EFLAGS: 00010283 RAX: ffffffff8257d8e9 RBX: ffffea0001ffb428 RCX: 0000000000040000 RDX: ffffc9000c838000 RSI: 0000000000000096 RDI: 0000000000000097 RBP: 1ffffd40003ff680 R08: ffffffff8257d82a R09: 1ffffd40003ff680 R10: dffffc0000000000 R11: fffff940003ff681 R12: dffffc0000000000 R13: ffffea0001ffb408 R14: 0000000000000001 R15: ffffea0001ffb400 FS: 00007f543439c6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f543439cd58 CR3: 00000000790f0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: set_page_dirty_lock+0x10a/0x2c0 mm/page-writeback.c:2857 fuse_copy_finish+0x104/0x200 fs/fuse/dev.c:678 fuse_dev_do_read+0xcd5/0x11f0 fs/fuse/dev.c:1302 fuse_dev_read+0x173/0x220 fs/fuse/dev.c:1367 call_read_iter include/linux/fs.h:2104 [inline] new_sync_read fs/read_write.c:395 [inline] vfs_read+0x97b/0xb70 fs/read_write.c:476 ksys_read+0x1a0/0x2c0 fs/read_write.c:619 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f543487dd69 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f543439c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f54349ac390 RCX: 00007f543487dd69 RDX: 0000000000002037 RSI: 0000000020000280 RDI: 000000000000000a RBP: 00007f54348ca49e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f54349ac390 R15: 00007ffe7dcd9378