------------[ cut here ]------------ WARNING: CPU: 0 PID: 10744 at fs/ext4/inode.c:3418 ext4_iomap_begin+0x1aa/0x780 fs/ext4/inode.c:3418 Modules linked in: CPU: 0 PID: 10744 Comm: syz-executor.0 Not tainted 5.19.0-rc6-syzkaller-00364-g9b59ec8d50a1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 RIP: 0010:ext4_iomap_begin+0x1aa/0x780 fs/ext4/inode.c:3418 Code: 83 c0 01 38 d0 7c 08 84 d2 0f 85 d8 05 00 00 41 0f b7 9f c2 05 00 00 31 ff 89 de e8 00 d3 5a ff 66 85 db 74 5c e8 d6 d6 5a ff <0f> 0b 41 bd de ff ff ff e8 c9 d6 5a ff 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffffc9000466f260 EFLAGS: 00010212 RAX: 0000000000019b17 RBX: 00000000000000a4 RCX: ffffc900033b1000 RDX: 0000000000040000 RSI: ffffffff821f954a RDI: 0000000000000003 RBP: 00000000000000d0 R08: 0000000000000003 R09: 0000000000000000 R10: 00000000000000a4 R11: 0000000000000001 R12: 000000000000000c R13: ffff888032b90d82 R14: ffffc9000466f550 R15: ffff888032b90cb8 FS: 00007f6d96a21700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555570ef808 CR3: 0000000021693000 CR4: 0000000000350ee0 Call Trace: iomap_iter+0x454/0x1110 fs/iomap/iter.c:74 __iomap_dio_rw+0x6b6/0x1a80 fs/iomap/direct-io.c:600 iomap_dio_rw+0x3c/0xa0 fs/iomap/direct-io.c:689 ext4_dio_write_iter fs/ext4/file.c:566 [inline] ext4_file_write_iter+0xe50/0x1520 fs/ext4/file.c:677 call_write_iter include/linux/fs.h:2058 [inline] do_iter_readv_writev+0x3d1/0x640 fs/read_write.c:742 do_iter_write+0x182/0x700 fs/read_write.c:868 vfs_iter_write+0x70/0xa0 fs/read_write.c:909 iter_file_splice_write+0x723/0xc70 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0x110/0x180 fs/splice.c:936 splice_direct_to_actor+0x34b/0x8c0 fs/splice.c:891 do_splice_direct+0x1a7/0x270 fs/splice.c:979 do_sendfile+0xae0/0x1240 fs/read_write.c:1262 __do_sys_sendfile64 fs/read_write.c:1327 [inline] __se_sys_sendfile64 fs/read_write.c:1313 [inline] __x64_sys_sendfile64+0x1cc/0x210 fs/read_write.c:1313 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6d95889199 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:00007f6d96a21168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f6d9599bf60 RCX: 00007f6d95889199 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004 RBP: 00007f6d958e313b R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffdffa R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd85987eef R14: 00007f6d96a21300 R15: 0000000000022000