)]}' { "log": [ { "commit": "701e054e0c2db82359f0454c7ed4fd24346d52eb", "tree": "af052eb937237414705c425f08502517af52e680", "parents": [ "2d51013ed2f2b6a5d2369b7fbbd989df1f6369e2" ], "author": { "name": "Vasily Tarasov", "email": "vtaras@openvz.org", "time": "Sat Nov 25 11:09:22 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.osdl.org", "time": "Sat Nov 25 13:28:33 2006 -0800" }, "message": "[PATCH] mounstats NULL pointer dereference\n\nOpenVZ developers team has encountered the following problem in 2.6.19-rc6\nkernel. After some seconds of running script\n\nwhile [[ 1 ]]\ndo\n\tfind /proc -name mountstats | xargs cat\ndone\n\nthis Oops appears:\n\nBUG: unable to handle kernel NULL pointer dereference at virtual address\n00000010\n printing eip:\nc01a6b70\n*pde \u003d 00000000\nOops: 0000 [#1]\nSMP\nModules linked in: xt_length ipt_ttl xt_tcpmss ipt_TCPMSS iptable_mangle\niptable_filter xt_multiport xt_limit ipt_tos ipt_REJECT ip_tables x_tables\nparport_pc lp parport sunrpc af_packet thermal processor fan button battery\nasus_acpi ac ohci_hcd ehci_hcd usbcore i2c_nforce2 i2c_core tg3 floppy\npata_amd\nide_cd cdrom sata_nv libata\nCPU: 1\nEIP: 0060:[\u003cc01a6b70\u003e] Not tainted VLI\nEFLAGS: 00010246 (2.6.19-rc6 #2)\nEIP is at mountstats_open+0x70/0xf0\neax: 00000000 ebx: e6247030 ecx: e62470f8 edx: 00000000\nesi: 00000000 edi: c01a6b00 ebp: c33b83c0 esp: f4105eb4\nds: 007b es: 007b ss: 0068\nProcess cat (pid: 6044, ti\u003df4105000 task\u003df4104a70 task.ti\u003df4105000)\nStack: c33b83c0 c04ee940 f46a4a80 c33b83c0 e4df31b4 c01a6b00 f4105000 c0169231\n e4df31b4 c33b83c0 c33b83c0 f4105f20 00000003 f4105000 c0169445 f2503cf0\n f7f8c4c0 00008000 c33b83c0 00000000 00008000 c0169350 f4105f20 00008000\nCall Trace:\n [\u003cc01a6b00\u003e] mountstats_open+0x0/0xf0\n [\u003cc0169231\u003e] __dentry_open+0x181/0x250\n [\u003cc0169445\u003e] nameidata_to_filp+0x35/0x50\n [\u003cc0169350\u003e] do_filp_open+0x50/0x60\n [\u003cc01873d6\u003e] seq_read+0xc6/0x300\n [\u003cc0169511\u003e] get_unused_fd+0x31/0xc0\n [\u003cc01696d3\u003e] do_sys_open+0x63/0x110\n [\u003cc01697a7\u003e] sys_open+0x27/0x30\n [\u003cc01030bd\u003e] sysenter_past_esp+0x56/0x79\n \u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\nCode: 45 74 8b 54 24 20 89 44 24 08 8b 42 f0 31 d2 e8 47 cb f8 ff 85 c0 89 c3\n74 51 8d 80 a0 04 00 00 e8 46 06 2c 00 8b 83 48 04 00 00 \u003c8b\u003e 78 10 85 ff 74\n03\nf0 ff 07 b0 01 86 83 a0 04 00 00 f0 ff 4b\nEIP: [\u003cc01a6b70\u003e] mountstats_open+0x70/0xf0 SS:ESP 0068:f4105eb4\n\nThe problem is that task-\u003ensproxy can be equal NULL for some time during\ntask exit. This patch fixes the BUG.\n\nSigned-off-by: Vasily Tarasov \u003cvtaras@openvz.org\u003e\nCc: Herbert Poetzl \u003cherbert@13thfloor.at\u003e\nCc: \"Serge E. Hallyn\" \u003cserue@us.ibm.com\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "25b21cb2f6d69b0475b134e0a3e8e269137270fa", "tree": "cd9c3966408c0ca5903249437c35ff35961de544", "parents": [ "c0b2fc316599d6cd875b6b8cafa67f03b9512b4d" ], "author": { "name": "Kirill Korotaev", "email": "dev@openvz.org", "time": "Mon Oct 02 02:18:19 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Oct 02 07:57:22 2006 -0700" }, "message": "[PATCH] IPC namespace core\n\nThis patch set allows to unshare IPCs and have a private set of IPC objects\n(sem, shm, msg) inside namespace. Basically, it is another building block of\ncontainers functionality.\n\nThis patch implements core IPC namespace changes:\n- ipc_namespace structure\n- new config option CONFIG_IPC_NS\n- adds CLONE_NEWIPC flag\n- unshare support\n\n[clg@fr.ibm.com: small fix for unshare of ipc namespace]\n[akpm@osdl.org: build fix]\nSigned-off-by: Pavel Emelianov \u003cxemul@openvz.org\u003e\nSigned-off-by: Kirill Korotaev \u003cdev@openvz.org\u003e\nSigned-off-by: Cedric Le Goater \u003cclg@fr.ibm.com\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "4865ecf1315b450ab3317a745a6678c04d311e40", "tree": "6cf5d3028f8642eba2a8094eb413db080cc9219c", "parents": [ "96b644bdec977b97a45133e5b4466ba47a7a5e65" ], "author": { "name": "Serge E. Hallyn", "email": "serue@us.ibm.com", "time": "Mon Oct 02 02:18:14 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Oct 02 07:57:21 2006 -0700" }, "message": "[PATCH] namespaces: utsname: implement utsname namespaces\n\nThis patch defines the uts namespace and some manipulators.\nAdds the uts namespace to task_struct, and initializes a\nsystem-wide init namespace.\n\nIt leaves a #define for system_utsname so sysctl will compile.\nThis define will be removed in a separate patch.\n\n[akpm@osdl.org: build fix, cleanup]\nSigned-off-by: Serge Hallyn \u003cserue@us.ibm.com\u003e\nCc: Kirill Korotaev \u003cdev@openvz.org\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: Herbert Poetzl \u003cherbert@13thfloor.at\u003e\nCc: Andrey Savochkin \u003csaw@sw.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "1651e14e28a2d9f446018ef522882e0709a2ce4f", "tree": "401ff78624fdc4b445f3f95174a223acaf6a4ca0", "parents": [ "0437eb594e6e5e699248f865482e61034be846d0" ], "author": { "name": "Serge E. Hallyn", "email": "serue@us.ibm.com", "time": "Mon Oct 02 02:18:08 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Oct 02 07:57:20 2006 -0700" }, "message": "[PATCH] namespaces: incorporate fs namespace into nsproxy\n\nThis moves the mount namespace into the nsproxy. The mount namespace count\nnow refers to the number of nsproxies point to it, rather than the number of\ntasks. As a result, the unshare_namespace() function in kernel/fork.c no\nlonger checks whether it is being shared.\n\nSigned-off-by: Serge Hallyn \u003cserue@us.ibm.com\u003e\nCc: Kirill Korotaev \u003cdev@openvz.org\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: Herbert Poetzl \u003cherbert@13thfloor.at\u003e\nCc: Andrey Savochkin \u003csaw@sw.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "ab516013ad9ca47f1d3a936fa81303bfbf734d52", "tree": "643ea9c4c3d28958cb42dd87b1856f74edd22b11", "parents": [ "b1ba4ddde0cf67991d89f039365eaaeda61aa027" ], "author": { "name": "Serge E. Hallyn", "email": "serue@us.ibm.com", "time": "Mon Oct 02 02:18:06 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Oct 02 07:57:20 2006 -0700" }, "message": "[PATCH] namespaces: add nsproxy\n\nThis patch adds a nsproxy structure to the task struct. Later patches will\nmove the fs namespace pointer into this structure, and introduce a new utsname\nnamespace into the nsproxy.\n\nThe vserver and openvz functionality, then, would be implemented in large part\nby virtualizing/isolating more and more resources into namespaces, each\ncontained in the nsproxy.\n\n[akpm@osdl.org: build fix]\nSigned-off-by: Serge Hallyn \u003cserue@us.ibm.com\u003e\nCc: Kirill Korotaev \u003cdev@openvz.org\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: Herbert Poetzl \u003cherbert@13thfloor.at\u003e\nCc: Andrey Savochkin \u003csaw@sw.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" } ] }