[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
** Tags added: cscc -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iotop/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
nevermind. I see the patch is kernel fix...will upgrade my host. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iotop/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
This needs to be backported to trusty for users of the linux-image- generic-lts-xenial. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iotop/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
This bug was fixed in the package linux - 4.4.0-130.156 --- linux (4.4.0-130.156) xenial; urgency=medium * linux: 4.4.0-130.156 -proposed tracker (LP: #1776822) * CVE-2018-3665 (x86) - x86/fpu: Fix early FPU command-line parsing - x86/fpu: Fix 'no387' regression - x86/fpu: Disable MPX when eagerfpu is off - x86/fpu: Default eagerfpu=on on all CPUs - x86/fpu: Fix FNSAVE usage in eagerfpu mode - x86/fpu: Fix math emulation in eager fpu mode - x86/fpu: Fix eager-FPU handling on legacy FPU machines linux (4.4.0-129.155) xenial; urgency=medium * linux: 4.4.0-129.155 -proposed tracker (LP: #1776352) * Xenial update to 4.4.134 stable release (LP: #1775771) - MIPS: ptrace: Expose FIR register through FP regset - MIPS: Fix ptrace(2) PTRACE_PEEKUSR and PTRACE_POKEUSR accesses to o32 FGRs - KVM: Fix spelling mistake: "cop_unsuable" -> "cop_unusable" - affs_lookup(): close a race with affs_remove_link() - aio: fix io_destroy(2) vs. lookup_ioctx() race - ALSA: timer: Fix pause event notification - mmc: sdhci-iproc: fix 32bit writes for TRANSFER_MODE register - libata: Blacklist some Sandisk SSDs for NCQ - libata: blacklist Micron 500IT SSD with MU01 firmware - xen-swiotlb: fix the check condition for xen_swiotlb_free_coherent - Revert "ipc/shm: Fix shmat mmap nil-page protection" - ipc/shm: fix shmat() nil address after round-down when remapping - kasan: fix memory hotplug during boot - kernel/sys.c: fix potential Spectre v1 issue - kernel/signal.c: avoid undefined behaviour in kill_something_info - xfs: remove racy hasattr check from attr ops - do d_instantiate/unlock_new_inode combinations safely - firewire-ohci: work around oversized DMA reads on JMicron controllers - NFSv4: always set NFS_LOCK_LOST when a lock is lost. - ALSA: hda - Use IS_REACHABLE() for dependency on input - ASoC: au1x: Fix timeout tests in au1xac97c_ac97_read() - kvm: x86: fix KVM_XEN_HVM_CONFIG ioctl - tracing/hrtimer: Fix tracing bugs by taking all clock bases and modes into account - PCI: Add function 1 DMA alias quirk for Marvell 9128 - tools lib traceevent: Simplify pointer print logic and fix %pF - perf callchain: Fix attr.sample_max_stack setting - tools lib traceevent: Fix get_field_str() for dynamic strings - dm thin: fix documentation relative to low water mark threshold - nfs: Do not convert nfs_idmap_cache_timeout to jiffies - watchdog: sp5100_tco: Fix watchdog disable bit - kconfig: Don't leak main menus during parsing - kconfig: Fix automatic menu creation mem leak - kconfig: Fix expr_free() E_NOT leak - ipmi/powernv: Fix error return code in ipmi_powernv_probe() - Btrfs: set plug for fsync - btrfs: Fix out of bounds access in btrfs_search_slot - Btrfs: fix scrub to repair raid6 corruption - scsi: fas216: fix sense buffer initialization - HID: roccat: prevent an out of bounds read in kovaplus_profile_activated() - jffs2: Fix use-after-free bug in jffs2_iget()'s error handling path - powerpc/numa: Use ibm,max-associativity-domains to discover possible nodes - powerpc/numa: Ensure nodes initialized for hotplug - RDMA/mlx5: Avoid memory leak in case of XRCD dealloc failure - ntb_transport: Fix bug with max_mw_size parameter - ocfs2: return -EROFS to mount.ocfs2 if inode block is invalid - ocfs2/acl: use 'ip_xattr_sem' to protect getting extended attribute - ocfs2: return error when we attempt to access a dirty bh in jbd2 - mm/mempolicy: fix the check of nodemask from user - mm/mempolicy: add nodes_empty check in SYSC_migrate_pages - asm-generic: provide generic_pmdp_establish() - mm: pin address_space before dereferencing it while isolating an LRU page - IB/ipoib: Fix for potential no-carrier state - x86/power: Fix swsusp_arch_resume prototype - firmware: dmi_scan: Fix handling of empty DMI strings - ACPI: processor_perflib: Do not send _PPC change notification if not ready - MIPS: TXx9: use IS_BUILTIN() for CONFIG_LEDS_CLASS - xen-netfront: Fix race between device setup and open - xen/grant-table: Use put_page instead of free_page - RDS: IB: Fix null pointer issue - arm64: spinlock: Fix theoretical trylock() A-B-A with LSE atomics - proc: fix /proc/*/map_files lookup - cifs: silence compiler warnings showing up with gcc-8.0.0 - bcache: properly set task state in bch_writeback_thread() - bcache: fix for allocator and register thread race - bcache: fix for data collapse after re-attaching an attached device - bcache: return attach error when no cache set exist - tools/libbpf: handle issues with bpf ELF objects containing .eh_frames - locking/qspinlock: Ensure node->count is updated before initialising node - irqchip/gic-v3: Change pr_debug message to pr_devel - scsi: ufs: Enable quirk to ignore
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
Confirmed, fixed in 4.4.0-129-generic. Thanks! :-) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iotop/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
I've verified that this is fixed in 4.4.0-129.155-generic ** Tags removed: verification-needed-xenial ** Tags added: verification-done-xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iotop/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- xenial' to 'verification-done-xenial'. If the problem still exists, change the tag 'verification-needed-xenial' to 'verification-failed- xenial'. If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iotop/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
** Changed in: linux (Ubuntu Xenial) Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iotop/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
Thanks. Just for general information, when this patch will be published to live- repos? Thanks. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iotop/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
This bug only affected the Xenial 4.4 based kernels. I've submitted a kernel fix here: https://lists.ubuntu.com/archives/kernel-team/2018-May/092723.html Thanks for the bug report! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iotop/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
** Changed in: iotop (Ubuntu Xenial) Status: Confirmed => Invalid ** Changed in: iotop (Ubuntu) Status: Confirmed => Invalid ** Changed in: linux (Ubuntu Xenial) Status: Incomplete => In Progress ** Changed in: linux (Ubuntu Xenial) Assignee: (unassigned) => Tyler Hicks (tyhicks) ** Changed in: linux (Ubuntu) Status: Incomplete => Invalid ** Description changed: + [Impact] + The CVE-2018-3639 for Xenial introduced a double newline sequence in the /proc/PID/status files. This breaks some userspace tools, such as iotop, that parse those files. + + [Test Case] + Incorrect output in 4.4.0-127.153-generic: + + $ cat /proc/self/status + ... + Seccomp: 0 + + Speculation_Store_Bypass: thread vulnerable + ... + + Expected output: + + $ cat /proc/self/status + ... + Seccomp: 0 + Speculation_Store_Bypass: thread vulnerable + ... + + [Regression Potential] + None + + [Original Report] + Hello, after running updates today to linux- image-4.4.0-127-generic_4.4.0-127.153 and rebooting i noticed that iotop is not working any more. Reason are empty lines in /proc/PID/status, which confuse iotop (and me) In new view there is an empy line between Seccomp and Speculation_Store_Bypass: Seccomp:0 Speculation_Store_Bypass: vulnerable Speculation_Store_Bypass seems to be new in /proc/PID/status, may be a relation to spectre/meltdown patches. iotop is first application which is failing here, but iam afraid of more. Thanks -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iotop/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
** Attachment added: "crashes iotop in Xenial" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1772671/+attachment/5143766/+files/status.txt.gz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iotop/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
On Bionic, where iotop works, there is no empty line between: Seccomp:0 Speculation_Store_Bypass: vulnerable -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iotop/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
Could you gzip and attach the contents of one of your /proc/PID/status files when iotop is crashing? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iotop/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
yes, 4.4.0-129 also seems to be ok, but again no Speculation_Store_Bypass line in /proc/PID/status. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iotop/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
A colleague tried installing a later 4.4.0 kernel, 4.4.0-129 from http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.129/ (as below) on 16.04.4 LTS and we then don't see the iotop problem. Linux version 4.4.129-0404129-generic (kernel@kathleen) (gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.9) ) #201804240833 SMP Tue Apr 24 08:35:28 UTC 2018 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iotop/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: iotop (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iotop/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: iotop (Ubuntu Xenial) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iotop/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
** Also affects: iotop (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iotop/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
Hello, i installed v4.17-rc6 and this problem seems fixed, no emtpy line in /proc/PID/status, but i also miss the line Speculation_Store_Bypass which was existing in 4.4.0-127-generic #153-Ubuntu So may be this is fixed because meltdown/spectre patches are not applied? Iam not sure, so i hesitate to set tag kernel-fixed-upstream. What do you think? For information: I could not install linux- headers-4.17.0-041700rc6-generic, there is a dependency to libssl1.1 which is not available currently for xenial. Thanks -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.17 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.17-rc6 ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Also affects: linux (Ubuntu Xenial) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Xenial) Status: New => Incomplete ** Changed in: linux (Ubuntu Xenial) Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
yes, i can fix this in iotop, but i thin the main problem is kernel and there should not exist an empty line under /proc/PID/status Ubuntu Kernel Bot told me to send logs, but i cant run apport-collect for security/dataprotection reasons. Thanks -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
attached stack trace ** Attachment added: "python track trace" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1772671/+attachment/5142898/+files/iotop_stack_trace.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772671 Title: Kernel produces empty lines in /proc/PID/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1772671/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1772671] Re: Kernel produces empty lines in /proc/PID/status
This fixes it on my machine:
--- data.py 2018-05-22 16:46:51.744204671 +0200
+++ data2.py2018-05-22 16:48:28.694497438 +0200
@@ -193,8 +193,11 @@
result_dict = {}
try:
for line in open('/proc/%d/status' % pid):
-key, value = line.split(':\t', 1)
-result_dict[key] = value.strip()
+try:
+key, value = line.split(':\t', 1)
+result_dict[key] = value.strip()
+except:
+pass
except IOError:
pass # No such process
return result_dict
--
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Kernel produces empty lines in /proc/PID/status
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