------------[ cut here ]------------ ext4_has_inline_data(inode) WARNING: fs/ext4/inode.c:3779 at ext4_iomap_begin+0x173f/0x1980 fs/ext4/inode.c:3779, CPU#1: syz.0.320/7118 Modules linked in: CPU: 1 UID: 0 PID: 7118 Comm: syz.0.320 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:ext4_iomap_begin+0x173f/0x1980 fs/ext4/inode.c:3779 Code: 8b 7c 24 10 45 39 fe 45 0f 42 fe 47 8d 24 37 e9 ca f3 ff ff e8 82 50 34 ff 41 bd 09 00 00 00 e9 ab f3 ff ff e8 72 50 34 ff 90 <0f> 0b 90 bb de ff ff ff e9 6b ff ff ff 89 d1 80 e1 07 38 c1 0f 8c RSP: 0018:ffffc90006bef580 EFLAGS: 00010293 RAX: ffffffff8294312e RBX: 0000000000000000 RCX: ffff888020bfddc0 RDX: 0000000000000000 RSI: 00000000000000d4 RDI: 0000000000000000 RBP: ffffc90006bef720 R08: ffff88807126f627 R09: 1ffff1100e24dec4 R10: dffffc0000000000 R11: ffffed100e24dec5 R12: 1ffff92000d7dec8 R13: dffffc0000000000 R14: 00000000000000d4 R15: 0000000000000011 FS: 00007f88fbea76c0(0000) GS:ffff888124dbd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3bf45b1000 CR3: 000000007ec52000 CR4: 00000000003526f0 Call Trace: iomap_iter_next include/linux/iomap.h:382 [inline] ext4_iomap_next+0xf9/0x150 fs/ext4/inode.c:3847 iomap_iter+0xe2/0xec0 fs/iomap/iter.c:122 __iomap_dio_rw+0xc87/0x1c40 fs/iomap/direct-io.c:815 iomap_dio_rw+0x45/0xb0 fs/iomap/direct-io.c:910 ext4_dio_write_iter fs/ext4/file.c:648 [inline] ext4_file_write_iter+0x1811/0x1cd0 fs/ext4/file.c:794 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x612/0xba0 fs/read_write.c:687 ksys_pwrite64 fs/read_write.c:794 [inline] __do_sys_pwrite64 fs/read_write.c:802 [inline] __se_sys_pwrite64 fs/read_write.c:799 [inline] __x64_sys_pwrite64+0x196/0x220 fs/read_write.c:799 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f88faf9e159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f88fbea7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f88fb225fa0 RCX: 00007f88faf9e159 RDX: 0000000000000001 RSI: 0000200000000880 RDI: 0000000000000004 RBP: 00007f88fb03506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000083 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f88fb226038 R14: 00007f88fb225fa0 R15: 00007ffcab857eb8