overlayfs: fs on './file0' does not support file handles, falling back to index=off. attempt to access beyond end of device loop0: rw=0, want=40976, limit=40975 overlayfs: fs on './file0' does not support file handles, falling back to index=off. ====================================================== WARNING: possible circular locking dependency detected 4.14.294-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.1/10628 is trying to acquire lock: (&ovl_i_mutex_dir_key[depth]){++++}, at: [] inode_lock_shared include/linux/fs.h:729 [inline] (&ovl_i_mutex_dir_key[depth]){++++}, at: [] lookup_slow+0x129/0x400 fs/namei.c:1674 but task is already holding lock: (&oi->lock){+.+.}, at: [] ovl_nlink_start+0x22f/0x460 fs/overlayfs/util.c:523 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&oi->lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 ovl_copy_up_start+0x40/0xe0 fs/overlayfs/util.c:318 ovl_copy_up_one+0x21f/0x910 fs/overlayfs/copy_up.c:631 ovl_copy_up_flags+0xd5/0x120 fs/overlayfs/copy_up.c:686 ovl_setattr fs/overlayfs/inode.c:42 [inline] ovl_setattr+0x66/0x500 fs/overlayfs/inode.c:19 notify_change+0x56b/0xd10 fs/attr.c:315 chown_common+0x40b/0x4b0 fs/open.c:631 audit: type=1804 audit(1664353937.184:24): pid=10589 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir639396367/syzkaller.aFosPT/19/file0/bus" dev="sda1" ino=14046 res=1 SYSC_fchown fs/open.c:696 [inline] SyS_fchown+0xd1/0x130 fs/open.c:684 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb -> #1 audit: type=1800 audit(1664353937.184:25): pid=10589 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor.2" name="bus" dev="sda1" ino=14046 res=0 (sb_writers#3){.+.+}: percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] __sb_start_write+0x64/0x260 fs/super.c:1342 sb_start_write include/linux/fs.h:1551 [inline] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 ovl_setattr+0x52/0x500 fs/overlayfs/inode.c:38 notify_change+0x56b/0xd10 fs/attr.c:315 chown_common+0x40b/0x4b0 fs/open.c:631 SYSC_fchown fs/open.c:696 [inline] SyS_fchown+0xd1/0x130 fs/open.c:684 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb -> #0 (&ovl_i_mutex_dir_key[depth]){++++}: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 down_read+0x36/0x80 kernel/locking/rwsem.c:24 inode_lock_shared include/linux/fs.h:729 [inline] lookup_slow+0x129/0x400 fs/namei.c:1674 lookup_one_len_unlocked+0x3a0/0x410 fs/namei.c:2595 ovl_lower_positive+0x184/0x350 fs/overlayfs/namei.c:783 ovl_do_remove+0x12a/0xb90 fs/overlayfs/dir.c:772 vfs_unlink+0x230/0x470 fs/namei.c:4029 do_unlinkat+0x30c/0x5c0 fs/namei.c:4094 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb other info that might help us debug this: Chain exists of: &ovl_i_mutex_dir_key[depth] --> sb_writers#3 --> &oi->lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&oi->lock); lock(sb_writers#3); lock(&oi->lock); lock(&ovl_i_mutex_dir_key[depth]); *** DEADLOCK *** 5 locks held by syz-executor.1/10628: #0: (sb_writers#15){.+.+}, at: [] sb_start_write include/linux/fs.h:1551 [inline] #0: (sb_writers#15){.+.+}, at: [] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 #1: (&ovl_i_mutex_dir_key[depth]#2/1){+.+.}, at: [] inode_lock_nested include/linux/fs.h:754 [inline] #1: (&ovl_i_mutex_dir_key[depth]#2/1){+.+.}, at: [] do_unlinkat+0x201/0x5c0 fs/namei.c:4080 #2: (&ovl_i_mutex_key[depth]){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #2: (&ovl_i_mutex_key[depth]){+.+.}, at: [] vfs_unlink+0xc0/0x470 fs/namei.c:4020 #3: (sb_writers#3){.+.+}, at: [] sb_start_write include/linux/fs.h:1551 [inline] #3: (sb_writers#3){.+.+}, at: [] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 #4: (&oi->lock){+.+.}, at: [] ovl_nlink_start+0x22f/0x460 fs/overlayfs/util.c:523 stack backtrace: CPU: 0 PID: 10628 Comm: syz-executor.1 Not tainted 4.14.294-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x2e0e/0x3f20 kernel/locking/lockdep.c:3491 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 down_read+0x36/0x80 kernel/locking/rwsem.c:24 inode_lock_shared include/linux/fs.h:729 [inline] lookup_slow+0x129/0x400 fs/namei.c:1674 lookup_one_len_unlocked+0x3a0/0x410 fs/namei.c:2595 ovl_lower_positive+0x184/0x350 fs/overlayfs/namei.c:783 ovl_do_remove+0x12a/0xb90 fs/overlayfs/dir.c:772 vfs_unlink+0x230/0x470 fs/namei.c:4029 do_unlinkat+0x30c/0x5c0 fs/namei.c:4094 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f8dcc52c5a9 RSP: 002b:00007f8dcaea0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 00007f8dcc64df80 RCX: 00007f8dcc52c5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200004c0 RBP: 00007f8dcc587560 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffefc4f282f R14: 00007f8dcaea0300 R15: 0000000000022000 FAT-fs (loop3): bogus number of reserved sectors FAT-fs (loop2): bogus number of reserved sectors FAT-fs (loop3): Can't find a valid FAT filesystem FAT-fs (loop2): Can't find a valid FAT filesystem EXT4-fs (loop0): VFS: Can't find ext4 filesystem overlayfs: fs on 'file0' does not support file handles, falling back to index=off. audit: type=1800 audit(1664353937.984:26): pid=10668 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="file0" dev="sda1" ino=14046 res=0 print_req_error: I/O error, dev loop0, sector 0 Buffer I/O error on dev loop0, logical block 0, async page read print_req_error: I/O error, dev loop0, sector 4 Buffer I/O error on dev loop0, logical block 2, async page read overlayfs: fs on './file0' does not support file handles, falling back to index=off. print_req_error: I/O error, dev loop0, sector 6 Buffer I/O error on dev loop0, logical block 3, async page read overlayfs: failed to resolve './file0': -2 bridge0: port 2(bridge_slave_1) entered disabled state bridge0: port 1(bridge_slave_0) entered disabled state audit: type=1804 audit(1664353938.144:27): pid=10645 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir3898147010/syzkaller.Duuazn/28/file0/bus" dev="sda1" ino=13956 res=1 audit: type=1800 audit(1664353938.144:28): pid=10645 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name="bus" dev="sda1" ino=13956 res=0 batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 overlayfs: fs on 'file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on 'file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19 FAT-fs (loop4): bogus number of reserved sectors FAT-fs (loop4): Can't find a valid FAT filesystem caif:caif_disconnect_client(): nothing to disconnect chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT EXT4-fs (loop1): VFS: Can't find ext4 filesystem chnl_net:chnl_net_open(): state disconnected A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. audit: type=1804 audit(1664353939.014:29): pid=10737 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.4" name="/root/syzkaller-testdir717346443/syzkaller.mc67Zf/22/file0/bus" dev="sda1" ino=14069 res=1 audit: type=1800 audit(1664353939.194:30): pid=10737 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.4" name="bus" dev="sda1" ino=14069 res=0 EXT4-fs (loop1): VFS: Can't find ext4 filesystem EXT4-fs (loop0): VFS: Can't find ext4 filesystem FAT-fs (loop3): bogus number of reserved sectors FAT-fs (loop3): Can't find a valid FAT filesystem print_req_error: I/O error, dev loop0, sector 0 Buffer I/O error on dev loop0, logical block 0, async page read EXT4-fs (loop5): VFS: Can't find ext4 filesystem print_req_error: I/O error, dev loop0, sector 4 Buffer I/O error on dev loop0, logical block 2, async page read print_req_error: I/O error, dev loop0, sector 6 Buffer I/O error on dev loop0, logical block 3, async page read audit: type=1804 audit(1664353939.564:31): pid=10760 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir3898147010/syzkaller.Duuazn/29/file0/bus" dev="sda1" ino=13956 res=1 IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready 8021q: adding VLAN 0 to HW filter on device bond0 EXT4-fs (loop1): VFS: Can't find ext4 filesystem IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19 caif:caif_disconnect_client(): nothing to disconnect chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT chnl_net:chnl_net_open(): state disconnected A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. bridge0: port 2(bridge_slave_1) entered disabled state bridge0: port 1(bridge_slave_0) entered disabled state FAT-fs (loop4): bogus number of reserved sectors FAT-fs (loop4): Can't find a valid FAT filesystem batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 EXT4-fs (loop0): VFS: Can't find ext4 filesystem EXT4-fs (loop1): VFS: Can't find ext4 filesystem syz-executor.5 (10771) used greatest stack depth: 24832 bytes left IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19 caif:caif_disconnect_client(): nothing to disconnect chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT chnl_net:chnl_net_open(): state disconnected A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready FAT-fs (loop4): Directory bread(block 3) failed EXT4-fs: Warning: mounting with data=journal disables delayed allocation and O_DIRECT support! EXT4-fs (loop5): VFS: Can't find ext4 filesystem FAT-fs (loop4): Directory bread(block 4) failed IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready EXT4-fs (loop3): Invalid log cluster size: 1536 FAT-fs (loop4): Directory bread(block 5) failed FAT-fs (loop4): Directory bread(block 6) failed 8021q: adding VLAN 0 to HW filter on device bond0 FAT-fs (loop4): Directory bread(block 3) failed IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready FAT-fs (loop4): Directory bread(block 4) failed EXT4-fs (loop1): VFS: Can't find ext4 filesystem 8021q: adding VLAN 0 to HW filter on device team0 FAT-fs (loop4): Directory bread(block 5) failed chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19 FAT-fs (loop4): Directory bread(block 6) failed caif:caif_disconnect_client(): nothing to disconnect FAT-fs (loop2): bogus number of reserved sectors chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT FAT-fs (loop2): Can't find a valid FAT filesystem chnl_net:chnl_net_open(): state disconnected A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready EXT4-fs (loop0): VFS: Can't find ext4 filesystem IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready 8021q: adding VLAN 0 to HW filter on device bond0 EXT4-fs (loop1): VFS: Can't find ext4 filesystem IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19 caif:caif_disconnect_client(): nothing to disconnect chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT chnl_net:chnl_net_open(): state disconnected A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready EXT4-fs (loop5): VFS: Can't find ext4 filesystem EXT4-fs (loop1): VFS: Can't find ext4 filesystem 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19 caif:caif_disconnect_client(): nothing to disconnect chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT chnl_net:chnl_net_open(): state disconnected A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready 8021q: adding VLAN 0 to HW filter on device bond0 FAT-fs (loop0): Directory bread(block 3) failed FAT-fs (loop0): Directory bread(block 4) failed FAT-fs (loop2): bogus number of reserved sectors IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 FAT-fs (loop2): Can't find a valid FAT filesystem FAT-fs (loop0): Directory bread(block 5) failed FAT-fs (loop0): Directory bread(block 6) failed chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19 caif:caif_disconnect_client(): nothing to disconnect chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT EXT4-fs (loop1): VFS: Can't find ext4 filesystem chnl_net:chnl_net_open(): state disconnected A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. overlayfs: fs on 'file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. EXT4-fs (loop5): Unsupported blocksize for fs encryption EXT4-fs (loop4): bad geometry: block count 512 exceeds size of device (69 blocks) print_req_error: I/O error, dev loop4, sector 0 Buffer I/O error on dev loop4, logical block 0, async page read print_req_error: I/O error, dev loop4, sector 4 Buffer I/O error on dev loop4, logical block 2, async page read print_req_error: I/O error, dev loop4, sector 6 Buffer I/O error on dev loop4, logical block 3, async page read FAT-fs (loop2): Directory bread(block 3) failed FAT-fs (loop2): Directory bread(block 4) failed FAT-fs (loop2): Directory bread(block 5) failed FAT-fs (loop2): Directory bread(block 6) failed FAT-fs (loop2): Directory bread(block 3) failed EXT4-fs error (device loop4): ext4_ext_check_inode:510: inode #3: comm syz-executor.4: pblk 0 bad header/extent: invalid extent entries - magic f30a, entries 3, max 4(4), depth 0(0) FAT-fs (loop2): Directory bread(block 4) failed FAT-fs (loop2): Directory bread(block 5) failed FAT-fs (loop2): Directory bread(block 6) failed EXT4-fs error (device loop4): ext4_quota_enable:5739: comm syz-executor.4: Bad quota inode # 3 FAT-fs (loop2): Directory bread(block 3) failed FAT-fs (loop2): Directory bread(block 4) failed EXT4-fs warning (device loop4): ext4_enable_quotas:5779: Failed to enable quota tracking (type=-1, err=-117). Please run e2fsck to fix. EXT4-fs (loop4): mount failed FAT-fs (loop2): bogus number of reserved sectors FAT-fs (loop2): Can't find a valid FAT filesystem EXT4-fs error (device loop4): ext4_ext_check_inode:510: inode #3: comm syz-executor.4: pblk 0 bad header/extent: invalid extent entries - magic f30a, entries 3, max 4(4), depth 0(0) EXT4-fs error (device loop4): ext4_quota_enable:5739: comm syz-executor.4: Bad quota inode # 3 EXT4-fs warning (device loop4): ext4_enable_quotas:5779: Failed to enable quota tracking (type=-1, err=-117). Please run e2fsck to fix. EXT4-fs (loop4): mount failed kauditd_printk_skb: 5 callbacks suppressed audit: type=1804 audit(1664353942.854:37): pid=11131 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir639396367/syzkaller.aFosPT/30/file0/bus" dev="sda1" ino=14096 res=1 FAT-fs (loop3): bogus number of reserved sectors FAT-fs (loop3): Can't find a valid FAT filesystem audit: type=1800 audit(1664353942.854:38): pid=11131 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="bus" dev="sda1" ino=14096 res=0 FAT-fs (loop2): bogus number of reserved sectors FAT-fs (loop2): Can't find a valid FAT filesystem FAT-fs (loop5): bogus number of reserved sectors FAT-fs (loop5): Can't find a valid FAT filesystem EXT4-fs error (device loop4): ext4_ext_check_inode:510: inode #3: comm syz-executor.4: pblk 0 bad header/extent: invalid extent entries - magic f30a, entries 3, max 4(4), depth 0(0) FAT-fs (loop0): bogus number of reserved sectors FAT-fs (loop0): Can't find a valid FAT filesystem EXT4-fs error (device loop4): ext4_quota_enable:5739: comm syz-executor.4: Bad quota inode # 3 audit: type=1804 audit(1664353944.385:39): pid=11201 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir639396367/syzkaller.aFosPT/31/file0/bus" dev="sda1" ino=14117 res=1 EXT4-fs warning (device loop4): ext4_enable_quotas:5779: Failed to enable quota tracking (type=-1, err=-117). Please run e2fsck to fix. EXT4-fs (loop4): mount failed EXT4-fs error (device loop4): ext4_ext_check_inode:510: inode #3: comm syz-executor.4: pblk 0 bad header/extent: invalid extent entries - magic f30a, entries 3, max 4(4), depth 0(0) EXT4-fs error (device loop4): ext4_quota_enable:5739: comm syz-executor.4: Bad quota inode # 3 EXT4-fs warning (device loop4): ext4_enable_quotas:5779: Failed to enable quota tracking (type=-1, err=-117). Please run e2fsck to fix. audit: type=1800 audit(1664353945.285:40): pid=11201 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="bus" dev="sda1" ino=14117 res=0 EXT4-fs (loop4): mount failed FAT-fs (loop2): bogus number of reserved sectors FAT-fs (loop2): Can't find a valid FAT filesystem audit: type=1804 audit(1664353946.715:41): pid=11305 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir639396367/syzkaller.aFosPT/32/bus" dev="sda1" ino=14124 res=1 FAT-fs (loop3): bogus number of reserved sectors FAT-fs (loop3): Can't find a valid FAT filesystem audit: type=1800 audit(1664353946.715:42): pid=11305 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="bus" dev="sda1" ino=14124 res=0