Kernel oops when mounting with cifs. Mount command: sudo mount -t cifs -o user=myuser //server.com/directory /mnt/mountpoint
Ubuntu 12.04 Linux image package version 3.2.0-24.39
[ 128.277660] CIFS VFS: default security mechanism requested. The default security mechanism will be upgraded from ntlm to ntlmv2 in kernel release 3.3 [ 152.814578] BUG: unable to handle kernel NULL pointer dereference at (null) [ 152.818553] IP: [< (null)>] (null) [ 152.818553] PGD 411007067 PUD 414f08067 PMD 0 [ 152.818553] Oops: 0010 [#1] SMP [ 152.818553] CPU 0 [ 152.818553] Modules linked in: des_generic md4 nls_utf8 cifs ip6table_filter ip6_tables ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables bridge stp kvm_intel autofs4 kvm ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi bnep rfcomm bluetooth parport_pc ppdev nfsd binfmt_misc nfs lockd fscache auth_rpcgss nfs_acl sunrpc radeon i5000_edac ttm edac_core i5k_amb drm_kms_helper shpchp drm ioatdma serio_raw dca i2c_algo_bit dm_multipath mac_hid lp parport mptsas mptscsih mptbase scsi_transport_sas qla2xxx scsi_transport_fc bnx2 scsi_tgt [ 152.818553] [ 152.818553] Pid: 1991, comm: mount.cifs Not tainted 3.2.0-24-generic #39-Ubuntu IBM IBM eServer BladeCenter HS21 -[8853G4G]-/Server Blade [ 152.818553] RIP: 0010:[<0000000000000000>] [< (null)>] (null) [ 152.818553] RSP: 0018:ffff880412723c60 EFLAGS: 00010286 [ 152.818553] RAX: ffffffffa05d66c0 RBX: ffff880409282000 RCX: 0000000000000000 [ 152.818553] RDX: 0000000000000000 RSI: ffff880409282000 RDI: ffff880400d44850 [ 152.818553] RBP: ffff880412723c98 R08: ffff88042fc16e50 R09: 0000000000000000 [ 152.818553] R10: ffff88041054de10 R11: ffffc90000000000 R12: ffff880400d44850 [ 152.818553] R13: 0000000000000000 R14: 0000000000000000 R15: ffff880400d448f0 [ 152.818553] FS: 00007f121231a700(0000) GS:ffff88042fc00000(0000) knlGS:0000000000000000 [ 152.818553] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 152.818553] CR2: 0000000000000000 CR3: 0000000408de8000 CR4: 00000000000006f0 [ 152.818553] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 152.818553] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 152.818553] Process mount.cifs (pid: 1991, threadinfo ffff880412722000, task ffff8804024dade0) [ 152.818553] Stack: [ 152.818553] ffffffff811828f5 ffff880412723c98 ffffffff81190035 0000000000000020 [ 152.818553] 0000000000000000 ffff8804092826c0 ffff880412723cf8 ffff880412723cd8 [ 152.818553] ffffffff8118344f ffff880412723cd8 ffffffff8118367a ffff8804092826c0 [ 152.818553] Call Trace: [ 152.818553] [<ffffffff811828f5>] ? d_alloc_and_lookup+0x45/0x90 [ 152.818553] [<ffffffff81190035>] ? d_lookup+0x35/0x60 [ 152.818553] [<ffffffff8118344f>] __lookup_hash.part.28+0xbf/0xe0 [ 152.818553] [<ffffffff8118367a>] ? inode_permission+0x4a/0x110 [ 152.818553] [<ffffffff8118394e>] lookup_one_len+0xee/0x120 [ 152.818553] [<ffffffffa05aa851>] cifs_get_root+0x111/0x190 [cifs] [ 152.818553] [<ffffffffa05aaa6c>] cifs_do_mount+0x19c/0x280 [cifs] [ 152.818553] [<ffffffff8117b6e3>] mount_fs+0x43/0x1b0 [ 152.818553] [<ffffffff81195f2a>] vfs_kern_mount+0x6a/0xc0 [ 152.818553] [<ffffffff81197434>] do_kern_mount+0x54/0x110 [ 152.818553] [<ffffffff81198f84>] do_mount+0x1a4/0x260 [ 152.818553] [<ffffffff81199460>] sys_mount+0x90/0xe0 [ 152.818553] [<ffffffff81664d82>] system_call_fastpath+0x16/0x1b [ 152.818553] Code: Bad RIP value. [ 152.818553] RIP [< (null)>] (null) [ 152.818553] RSP <ffff880412723c60> [ 152.818553] CR2: 0000000000000000 [ 153.718929] ---[ end trace 4cf1ea832a5313fc ]---
Kernel oops when mounting with cifs. com/directory /mnt/mountpoint
Mount command: sudo mount -t cifs -o user=myuser //server.
Ubuntu 12.04
Linux image package version 3.2.0-24.39
[ 128.277660] CIFS VFS: default security mechanism requested. The default security mechanism will be upgraded from ntlm to ntlmv2 in kernel release 3.3 iscsi bnep rfcomm bluetooth parport_pc ppdev nfsd binfmt_misc nfs lockd fscache auth_rpcgss nfs_acl sunrpc radeon i5000_edac ttm edac_core i5k_amb drm_kms_helper shpchp drm ioatdma serio_raw dca i2c_algo_bit dm_multipath mac_hid lp parport mptsas mptscsih mptbase scsi_transport_sas qla2xxx scsi_transport_fc bnx2 scsi_tgt 000000000000000 0>] [< (null)>] (null) 723c60 EFLAGS: 00010286 0(0000) GS:ffff88042fc0 0000(0000) knlGS:000000000 0000000 8f5>] ? d_alloc_ and_lookup+ 0x45/0x90 035>] ? d_lookup+0x35/0x60 44f>] __lookup_ hash.part. 28+0xbf/ 0xe0 67a>] ? inode_permissio n+0x4a/ 0x110 94e>] lookup_ one_len+ 0xee/0x120 851>] cifs_get_ root+0x111/ 0x190 [cifs] a6c>] cifs_do_ mount+0x19c/ 0x280 [cifs] 6e3>] mount_fs+0x43/0x1b0 f2a>] vfs_kern_ mount+0x6a/ 0xc0 434>] do_kern_ mount+0x54/ 0x110 f84>] do_mount+ 0x1a4/0x260 460>] sys_mount+0x90/0xe0 d82>] system_ call_fastpath+ 0x16/0x1b
[ 152.814578] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 152.818553] IP: [< (null)>] (null)
[ 152.818553] PGD 411007067 PUD 414f08067 PMD 0
[ 152.818553] Oops: 0010 [#1] SMP
[ 152.818553] CPU 0
[ 152.818553] Modules linked in: des_generic md4 nls_utf8 cifs ip6table_filter ip6_tables ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables bridge stp kvm_intel autofs4 kvm ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_
[ 152.818553]
[ 152.818553] Pid: 1991, comm: mount.cifs Not tainted 3.2.0-24-generic #39-Ubuntu IBM IBM eServer BladeCenter HS21 -[8853G4G]-/Server Blade
[ 152.818553] RIP: 0010:[<
[ 152.818553] RSP: 0018:ffff880412
[ 152.818553] RAX: ffffffffa05d66c0 RBX: ffff880409282000 RCX: 0000000000000000
[ 152.818553] RDX: 0000000000000000 RSI: ffff880409282000 RDI: ffff880400d44850
[ 152.818553] RBP: ffff880412723c98 R08: ffff88042fc16e50 R09: 0000000000000000
[ 152.818553] R10: ffff88041054de10 R11: ffffc90000000000 R12: ffff880400d44850
[ 152.818553] R13: 0000000000000000 R14: 0000000000000000 R15: ffff880400d448f0
[ 152.818553] FS: 00007f121231a70
[ 152.818553] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 152.818553] CR2: 0000000000000000 CR3: 0000000408de8000 CR4: 00000000000006f0
[ 152.818553] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 152.818553] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 152.818553] Process mount.cifs (pid: 1991, threadinfo ffff880412722000, task ffff8804024dade0)
[ 152.818553] Stack:
[ 152.818553] ffffffff811828f5 ffff880412723c98 ffffffff81190035 0000000000000020
[ 152.818553] 0000000000000000 ffff8804092826c0 ffff880412723cf8 ffff880412723cd8
[ 152.818553] ffffffff8118344f ffff880412723cd8 ffffffff8118367a ffff8804092826c0
[ 152.818553] Call Trace:
[ 152.818553] [<ffffffff81182
[ 152.818553] [<ffffffff81190
[ 152.818553] [<ffffffff81183
[ 152.818553] [<ffffffff81183
[ 152.818553] [<ffffffff81183
[ 152.818553] [<ffffffffa05aa
[ 152.818553] [<ffffffffa05aa
[ 152.818553] [<ffffffff8117b
[ 152.818553] [<ffffffff81195
[ 152.818553] [<ffffffff81197
[ 152.818553] [<ffffffff81198
[ 152.818553] [<ffffffff81199
[ 152.818553] [<ffffffff81664
[ 152.818553] Code: Bad RIP value.
[ 152.818553] RIP [< (null)>] (null)
[ 152.818553] RSP <ffff880412723c60>
[ 152.818553] CR2: 0000000000000000
[ 153.718929] ---[ end trace 4cf1ea832a5313fc ]---