IPVS: ftp: loaded support on port[0] = 21
audit: type=1800 audit(1674890868.782:2): pid=7998 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor341" name="/" dev="fuse" ino=1 res=0
==================================================================
BUG: KASAN: stack-out-of-bounds in iov_iter_revert lib/iov_iter.c:919 [inline]
BUG: KASAN: stack-out-of-bounds in iov_iter_revert+0x800/0x900 lib/iov_iter.c:868
Read of size 8 at addr ffff88809634fd38 by task syz-executor341/7997

CPU: 0 PID: 7997 Comm: syz-executor341 Not tainted 4.14.304-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 print_address_description.cold+0x54/0x1d3 mm/kasan/report.c:252
 kasan_report_error.cold+0x8a/0x191 mm/kasan/report.c:351
 kasan_report mm/kasan/report.c:409 [inline]
 __asan_report_load8_noabort+0x68/0x70 mm/kasan/report.c:430
 iov_iter_revert lib/iov_iter.c:919 [inline]
 iov_iter_revert+0x800/0x900 lib/iov_iter.c:868
 generic_file_read_iter+0x1183/0x21c0 mm/filemap.c:2257
 fuse_file_read_iter+0x1bd/0x270 fs/fuse/file.c:949
 call_read_iter include/linux/fs.h:1774 [inline]
 new_sync_read fs/read_write.c:401 [inline]
 __vfs_read+0x449/0x620 fs/read_write.c:413
 vfs_read+0x139/0x340 fs/read_write.c:447
 SYSC_read fs/read_write.c:574 [inline]
 SyS_read+0xf2/0x210 fs/read_write.c:567
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f8d37ce3169
RSP: 002b:00007f8d37c522f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f8d37d744e0 RCX: 00007f8d37ce3169
RDX: 000000007ffff000 RSI: 0000000020016400 RDI: 0000000000000005
RBP: 00007f8d37d410e4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
R13: 00007f8d37d3d0d8 R14: 00007f8d37d3f0e0 R15: 00007f8d37d744e8

The buggy address belongs to the page:
page:ffffea000258d3c0 count:0 mapcount:0 mapping:          (null) index:0x0
flags: 0xfff00000000000()
raw: 00fff00000000000 0000000000000000 0000000000000000 00000000ffffffff
raw: 0000000000000000 0000000100000001 0000000000000000 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88809634fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88809634fc80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88809634fd00: 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 00 00 00 00
                                        ^
 ffff88809634fd80: 00 f2 f2 f2 f2 f2 00 00 00 00 00 f3 f3 f3 f3 f3
 ffff88809634fe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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