Warning: Permanently added '10.128.1.175' (ECDSA) to the list of known hosts.
syzkaller login: [   30.366686] IPVS: ftp: loaded support on port[0] = 21
executing program
[   30.636176] 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
[   30.865935] ==================================================================
[   30.873400] BUG: KASAN: stack-out-of-bounds in iov_iter_revert+0x800/0x900
[   30.880390] Read of size 8 at addr ffff88809634fd38 by task syz-executor341/7997
[   30.887898] 
[   30.889512] CPU: 0 PID: 7997 Comm: syz-executor341 Not tainted 4.14.304-syzkaller #0
[   30.897373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[   30.906718] Call Trace:
[   30.909283]  dump_stack+0x1b2/0x281
[   30.912904]  print_address_description.cold+0x54/0x1d3
[   30.918161]  kasan_report_error.cold+0x8a/0x191
[   30.922824]  ? iov_iter_revert+0x800/0x900
[   30.927038]  __asan_report_load8_noabort+0x68/0x70
[   30.931941]  ? iov_iter_revert+0x800/0x900
[   30.936171]  iov_iter_revert+0x800/0x900
[   30.940209]  ? mapping_needs_writeback+0xd4/0x110
[   30.945024]  ? filemap_check_errors+0x75/0x90
[   30.949496]  generic_file_read_iter+0x1183/0x21c0
[   30.954318]  fuse_file_read_iter+0x1bd/0x270
[   30.958702]  __vfs_read+0x449/0x620
[   30.962304]  ? vfs_copy_file_range+0x9b0/0x9b0
[   30.966865]  ? rw_verify_area+0xe1/0x2a0
[   30.970922]  vfs_read+0x139/0x340
[   30.974374]  SyS_read+0xf2/0x210
[   30.977715]  ? kernel_write+0x110/0x110
[   30.981683]  ? do_syscall_64+0x4c/0x640
[   30.985633]  ? kernel_write+0x110/0x110
[   30.989582]  do_syscall_64+0x1d5/0x640
[   30.993450]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[   30.998615] RIP: 0033:0x7f8d37ce3169
[   31.002301] RSP: 002b:00007f8d37c522f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[   31.009983] RAX: ffffffffffffffda RBX: 00007f8d37d744e0 RCX: 00007f8d37ce3169
[   31.017226] RDX: 000000007ffff000 RSI: 0000000020016400 RDI: 0000000000000005
[   31.024479] RBP: 00007f8d37d410e4 R08: 0000000000000000 R09: 0000000000000000
[   31.031724] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
[   31.038968] R13: 00007f8d37d3d0d8 R14: 00007f8d37d3f0e0 R15: 00007f8d37d744e8
[   31.046219] 
[   31.047835] The buggy address belongs to the page:
[   31.052738] page:ffffea000258d3c0 count:0 mapcount:0 mapping:          (null) index:0x0
[   31.060852] flags: 0xfff00000000000()
[   31.064626] raw: 00fff00000000000 0000000000000000 0000000000000000 00000000ffffffff
[   31.072483] raw: 0000000000000000 0000000100000001 0000000000000000 0000000000000000
[   31.080334] page dumped because: kasan: bad access detected
[   31.086028] 
[   31.087628] Memory state around the buggy address:
[   31.092530]  ffff88809634fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   31.099860]  ffff88809634fc80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   31.107191] >ffff88809634fd00: 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 00 00 00 00
[   31.114523]                                         ^
[   31.119688]  ffff88809634fd80: 00 f2 f2 f2 f2 f2 00 00 00 00 00 f3 f3 f3 f3 f3
[   31.127037]  ffff88809634fe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   31.134365] ==================================================================
[   31.141697] Disabling lock debugging due to kernel taint
[   31.147595] Kernel panic - not syncing: panic_on_warn set ...
[   31.147595] 
[   31.154957] CPU: 0 PID: 7997 Comm: syz-executor341 Tainted: G    B           4.14.304-syzkaller #0
[   31.164036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[   31.173363] Call Trace:
[   31.175954]  dump_stack+0x1b2/0x281
[   31.179554]  panic+0x1f9/0x42d
[   31.182720]  ? add_taint.cold+0x16/0x16
[   31.186670]  ? ___preempt_schedule+0x16/0x18
[   31.191052]  kasan_end_report+0x43/0x49
[   31.194998]  kasan_report_error.cold+0xa7/0x191
[   31.199640]  ? iov_iter_revert+0x800/0x900
[   31.203848]  __asan_report_load8_noabort+0x68/0x70
[   31.208750]  ? iov_iter_revert+0x800/0x900
[   31.212955]  iov_iter_revert+0x800/0x900
[   31.216990]  ? mapping_needs_writeback+0xd4/0x110
[   31.221804]  ? filemap_check_errors+0x75/0x90
[   31.226272]  generic_file_read_iter+0x1183/0x21c0
[   31.231092]  fuse_file_read_iter+0x1bd/0x270
[   31.235492]  __vfs_read+0x449/0x620
[   31.239109]  ? vfs_copy_file_range+0x9b0/0x9b0
[   31.243665]  ? rw_verify_area+0xe1/0x2a0
[   31.247700]  vfs_read+0x139/0x340
[   31.251123]  SyS_read+0xf2/0x210
[   31.254461]  ? kernel_write+0x110/0x110
[   31.258413]  ? do_syscall_64+0x4c/0x640
[   31.262362]  ? kernel_write+0x110/0x110
[   31.266309]  do_syscall_64+0x1d5/0x640
[   31.270174]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[   31.275337] RIP: 0033:0x7f8d37ce3169
[   31.279021] RSP: 002b:00007f8d37c522f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[   31.286703] RAX: ffffffffffffffda RBX: 00007f8d37d744e0 RCX: 00007f8d37ce3169
[   31.293945] RDX: 000000007ffff000 RSI: 0000000020016400 RDI: 0000000000000005
[   31.301189] RBP: 00007f8d37d410e4 R08: 0000000000000000 R09: 0000000000000000
[   31.308443] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
[   31.315684] R13: 00007f8d37d3d0d8 R14: 00007f8d37d3f0e0 R15: 00007f8d37d744e8
[   31.323122] Kernel Offset: disabled
[   31.326728] Rebooting in 86400 seconds..