------------[ cut here ]------------ WARNING: CPU: 1 PID: 11754 at fs/ext4/inode.c:3418 ext4_iomap_begin+0xac8/0xd50 Modules linked in: CPU: 1 PID: 11754 Comm: syz-executor.4 Not tainted 5.19.0-rc7-syzkaller-00007-g353f7988dd84 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 RIP: 0010:ext4_iomap_begin+0xac8/0xd50 fs/ext4/inode.c:3418 Code: 41 5f 5d c3 e8 e9 8b 4f ff 49 be 00 00 00 00 00 fc ff df 48 8d 9c 24 d0 00 00 00 4c 8b 7c 24 30 e9 5c ff ff ff e8 c8 8b 4f ff <0f> 0b 41 bc de ff ff ff 49 be 00 00 00 00 00 fc ff df e9 67 ff ff RSP: 0018:ffffc9001483ef60 EFLAGS: 00010287 RAX: ffffffff823809e8 RBX: 0000000010000000 RCX: 0000000000040000 RDX: ffffc9000bfba000 RSI: 000000000000a1e3 RDI: 000000000000a1e4 RBP: ffffc9001483f0d8 R08: ffffffff8238010d R09: ffffed1011b0400b R10: ffffed1011b0400b R11: 1ffff11011b0400a R12: 00000000000000bc R13: 00000000000000b0 R14: 00000000fffffffe R15: 1ffff11011b0406f FS: 00007f76ac805700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f56469a0000 CR3: 0000000076666000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: iomap_iter+0x5f6/0x890 fs/iomap/iter.c:74 __iomap_dio_rw+0xb81/0x1df0 fs/iomap/direct-io.c:600 iomap_dio_rw+0x42/0xa0 fs/iomap/direct-io.c:689 ext4_dio_write_iter fs/ext4/file.c:566 [inline] ext4_file_write_iter+0x155e/0x1970 fs/ext4/file.c:677 do_iter_readv_writev+0x499/0x650 do_iter_write+0x1f1/0x7a0 fs/read_write.c:868 iter_file_splice_write+0x830/0xff0 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0xe6/0x1c0 fs/splice.c:936 splice_direct_to_actor+0x514/0xc20 fs/splice.c:891 do_splice_direct+0x2a0/0x3f0 fs/splice.c:979 do_sendfile+0x623/0xf90 fs/read_write.c:1262 __do_sys_sendfile64 fs/read_write.c:1327 [inline] __se_sys_sendfile64+0x178/0x1e0 fs/read_write.c:1313 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f76ab6891f9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f76ac805168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f76ab79bf60 RCX: 00007f76ab6891f9 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004 RBP: 00007f76ab6e3161 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffdffa R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff9dd02bbf R14: 00007f76ac805300 R15: 0000000000022000