Univention Bugzilla – Full Text Bug Listing |
Summary: | kernel:[6201680.032002] BUG: soft lockup - CPU#1 stuck for 22s! [smbd:11900] | ||
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Product: | UCS | Reporter: | Stefan Gohmann <gohmann> |
Component: | Kernel | Assignee: | Philipp Hahn <hahn> |
Status: | CLOSED DUPLICATE | QA Contact: | Janek Walkenhorst <walkenhorst> |
Severity: | normal | ||
Priority: | P5 | CC: | grandjean, hahn |
Version: | UCS 4.0 | ||
Target Milestone: | UCS 4.0-5-errata | ||
Hardware: | Other | ||
OS: | Linux | ||
See Also: | https://forge.univention.org/bugzilla/show_bug.cgi?id=40558 | ||
What kind of report is it?: | --- | What type of bug is this?: | --- |
Who will be affected by this bug?: | --- | How will those affected feel about the bug?: | --- |
User Pain: | Enterprise Customer affected?: | ||
School Customer affected?: | ISV affected?: | ||
Waiting Support: | Flags outvoted (downgraded) after PO Review: | ||
Ticket number: | Bug group (optional): | ||
Max CVSS v3 score: | |||
Bug Depends on: | |||
Bug Blocks: | 41051 |
Description
Stefan Gohmann
2016-04-13 12:22:24 CEST
3.16.0-ucs165-amd64 = 3.16.7-ckt20-1+deb8u3~bpo70+1.165.201601221131 which contains the problematic patch as a Debian-quilt-addon-patch: linux-3.16.7-ckt20/debian/patches/bugfix/all/unix-avoid-use-after-free-in-ep_remove_wait_queue.patch The fix was released with 3.16.7-ckt27 $ git log --oneline v3.16.7..v3.16.7-ckt26 -- net/unix/af_unix.c 456fe45 af_unix: Guard against other == sk in unix_dgram_sendmsg c75afa1 af_unix: Don't set err in unix_stream_read_generic unless there was an error 03c7059 unix: correctly track in-flight fds in sending process user_struct 1906035 af_unix: fix struct pid memory leak 660f0e9 unix: properly account for FDs passed over unix sockets 9d81966 af_unix: Revert 'lock_interruptible' in stream receive code 6e23851 unix: avoid use-after-free in ep_remove_wait_queue f465fb2 net/unix: fix logic about sk_peek_offset f50e5d9 af_unix: return data from multiple SKBs on recv() with MSG_PEEK flag 5d9ab1e unix/caif: sk_socket can disappear when state is unlocked $ git describe --contains 456fe45 6e23851 v3.16.7-ckt26~91 v3.16.7-ckt22~89 UCS-4.0-5 maintenance will end in 4 days <http://updates.software-univention.de/download/ucs-maintenance/4.0-5.yaml>, so upgrade to 4.1-1 now which has a fixed 4.1 kernel. (In reply to Philipp Hahn from comment #1) > 3.16.0-ucs165-amd64 = 3.16.7-ckt20-1+deb8u3~bpo70+1.165.201601221131 > > which contains the problematic patch as a Debian-quilt-addon-patch: > > linux-3.16.7-ckt20/debian/patches/bugfix/all/unix-avoid-use-after-free-in- > ep_remove_wait_queue.patch > > The fix was released with 3.16.7-ckt27 Then we should upgrade the kernel or adjust the patch. > UCS-4.0-5 maintenance will end in 4 days > <http://updates.software-univention.de/download/ucs-maintenance/4.0-5.yaml>, > so upgrade to 4.1-1 now which has a fixed 4.1 kernel. No, UCS 4.0 will be under maintenance at least end of May. <http://incoming.debian.org/debian-buildd/pool/main/l/linux/> $ repo_admin.py -F -p linux -r 4.0 -s errata4.0-5 r16410 | linux-3.16.7-ckt25-2~bpo70+1 UCS-4.0-5 r16411 | repo_admin patch copy r16412 | revert r16411 bugfix/all/af_unix-guard-against-other-sk-in-unix_dgram_sendmsg.patch Package: linux Version: 3.16.7-ckt25-2~bpo70+1.191.201604151111 Branch: ucs_4.0-0-errata4.0-5 Scope: errata4.0-5 *** This bug has been marked as a duplicate of bug 40838 *** |