Y2038

y2038@lists.linaro.org

1132 discussions

[PATCH 0/7] [media] y2038 conversion for subsystem

by Arnd Bergmann

Hi everyone, This is a conversion of all subsystem-wide v4l2 code to avoid the use of types based on time_t. The first five patches should all be harmless and obvious, so they can get applied for 4.3 after normal review. The last two patches are marked RFC for now because their possible impact on the user space ABI and to decide if this is the best approach or whether we should instead introduce extra code in the kernel to handle modified user space. There are a few device drivers beyond this series that rely on time_t/timeval/timespec internally, but they are all easy to fix and can be taken care of later. Arnd Arnd Bergmann (7): [media] dvb: use ktime_t for internal timeout [media] dvb: remove unused systime() function [media] dvb: don't use 'time_t' in event ioctl [media] exynos4-is: use monotonic timestamps as advertized [media] use v4l2_get_timestamp where possible [RFC] [media]: v4l2: introduce v4l2_timeval [RFC] [media] introduce v4l2_timespec type for timestamps drivers/media/dvb-core/demux.h | 2 +- drivers/media/dvb-core/dmxdev.c | 2 +- drivers/media/dvb-core/dvb_demux.c | 17 ++++++----------- drivers/media/dvb-core/dvb_demux.h | 4 ++-- drivers/media/dvb-core/dvb_net.c | 2 +- drivers/media/dvb-frontends/dibx000_common.c | 10 ---------- drivers/media/dvb-frontends/dibx000_common.h | 2 -- drivers/media/pci/bt8xx/bttv-driver.c | 7 ++----- drivers/media/pci/cx18/cx18-mailbox.c | 2 +- drivers/media/pci/meye/meye.h | 2 +- drivers/media/pci/zoran/zoran.h | 2 +- drivers/media/platform/coda/coda.h | 2 +- drivers/media/platform/exynos4-is/fimc-capture.c | 8 +------- drivers/media/platform/exynos4-is/fimc-lite.c | 7 +------ drivers/media/platform/omap/omap_vout.c | 4 ++-- drivers/media/platform/omap3isp/ispstat.c | 5 ++--- drivers/media/platform/omap3isp/ispstat.h | 2 +- drivers/media/platform/s3c-camif/camif-capture.c | 8 +------- drivers/media/platform/vim2m.c | 2 +- drivers/media/platform/vivid/vivid-ctrls.c | 2 +- drivers/media/usb/cpia2/cpia2.h | 2 +- drivers/media/usb/cpia2/cpia2_v4l.c | 2 +- drivers/media/usb/gspca/gspca.c | 6 +++--- drivers/media/usb/usbvision/usbvision.h | 2 +- drivers/media/v4l2-core/v4l2-common.c | 6 +++--- drivers/media/v4l2-core/v4l2-event.c | 20 +++++++++++++------- drivers/staging/media/omap4iss/iss_video.c | 5 +---- include/media/v4l2-common.h | 2 +- include/media/videobuf-core.h | 2 +- include/trace/events/v4l2.h | 12 ++++++++++-- include/uapi/linux/dvb/video.h | 3 ++- include/uapi/linux/omap3isp.h | 2 +- include/uapi/linux/videodev2.h | 16 ++++++++++++++-- 33 files changed, 79 insertions(+), 93 deletions(-) -- 2.1.0.rc2

7 years, 8 months

[PATCH 0/2] i/o: Make i/o y2038 safe

by Deepa Dinamani

This is a preparatory series to make i/o y2038-safe by replacing the use of struct timespec which is not y2038 safe by y2038 safe struct timespec64. Sockets and userspace interfaces themselves will be changed in a separate series. Deepa Dinamani (2): select: Use get/put_timespec64 io_getevents: Use timespec64 to represent timeouts fs/aio.c | 55 ++++++++++++++++++++++++++++++------------------------- fs/select.c | 60 ++++++++++++++++++++++++------------------------------------ 2 files changed, 54 insertions(+), 61 deletions(-) -- 2.11.0 Cc: linux-aio(a)kvack.org

7 years, 8 months

[PATCH v3 0/6] Make ipc y2038 safe

by Deepa Dinamani

The series aims to transition internal workings of ipc subsystem to use y2038-safe types and apis. The series is based on Al Viro's #work.ipc branch. Changes since v2: * Removed extra typecasts Changes since v1: * Addressed audit review comments Deepa Dinamani (6): ipc: Make sys_semtimedop() y2038 safe ipc: mqueue: Replace timespec with timespec64 ipc: msg: Make msg_queue timestamps y2038 safe ipc: sem: Make sem_array timestamps y2038 safe ipc: shm: Make shmid_kernel timestamps y2038 safe utimes: Make utimes y2038 safe fs/utimes.c | 23 ++++++++++++----------- include/linux/audit.h | 6 +++--- include/linux/msg.h | 7 ++++--- include/linux/sem.h | 3 ++- include/linux/shm.h | 6 +++--- include/linux/time.h | 2 +- init/initramfs.c | 2 +- ipc/mqueue.c | 28 ++++++++++++++-------------- ipc/msg.c | 6 +++--- ipc/sem.c | 30 +++++++++++++++--------------- ipc/shm.c | 10 +++++----- kernel/audit.h | 2 +- kernel/auditsc.c | 12 ++++++------ 13 files changed, 70 insertions(+), 67 deletions(-) -- 2.11.0 Cc: Paul Moore <paul(a)paul-moore.com> Cc: Richard Guy Briggs <rgb(a)redhat.com>

7 years, 9 months

[PATCH v2 0/6] Make ipc y2038 safe

by Deepa Dinamani

The series aims to transition internal workings of ipc subsystem to use y2038-safe types and apis. The series is based on Al Viro's #work.ipc branch. Changes since v1: * Addressed audit review comments Deepa Dinamani (6): ipc: Make sys_semtimedop() y2038 safe ipc: mqueue: Replace timespec with timespec64 ipc: msg: Make msg_queue timestamps y2038 safe ipc: sem: Make sem_array timestamps y2038 safe ipc: shm: Make shmid_kernel timestamps y2038 safe utimes: Make utimes y2038 safe fs/utimes.c | 23 ++++++++++++----------- include/linux/audit.h | 6 +++--- include/linux/msg.h | 7 ++++--- include/linux/sem.h | 3 ++- include/linux/shm.h | 6 +++--- include/linux/time.h | 2 +- init/initramfs.c | 2 +- ipc/mqueue.c | 28 ++++++++++++++-------------- ipc/msg.c | 12 ++++++------ ipc/sem.c | 34 +++++++++++++++++----------------- ipc/shm.c | 16 ++++++++-------- kernel/audit.h | 2 +- kernel/auditsc.c | 12 ++++++------ 13 files changed, 78 insertions(+), 75 deletions(-) -- 2.11.0

7 years, 9 months

[RESEND 0/6] Make ipc y2038 safe

by Deepa Dinamani

Resending to fix mail subject header. The series aims to transition internal workings of ipc subsystem to use y2038-safe types and apis. The series is based on Al Viro's #work.ipc branch. Deepa Dinamani (6): ipc: Make sys_semtimedop() y2038 safe ipc: mqueue: Replace timespec with timespec64 ipc: msg: Make msg_queue timestamps y2038 safe ipc: sem: Make sem_array timestamps y2038 safe ipc: shm: Make shmid_kernel timestamps y2038 safe utimes: Make utimes y2038 safe fs/utimes.c | 23 ++++++++++++----------- include/linux/audit.h | 6 +++--- include/linux/msg.h | 7 ++++--- include/linux/sem.h | 3 ++- include/linux/shm.h | 6 +++--- include/linux/time.h | 2 +- init/initramfs.c | 2 +- ipc/mqueue.c | 28 ++++++++++++++-------------- ipc/msg.c | 12 ++++++------ ipc/sem.c | 34 +++++++++++++++++----------------- ipc/shm.c | 16 ++++++++-------- kernel/audit.h | 2 +- kernel/auditsc.c | 12 ++++++------ 13 files changed, 78 insertions(+), 75 deletions(-) -- 2.11.0 Cc: Paul Moore <paul(a)paul-moore.com> Cc: Richard Guy Briggs <rgb(a)redhat.com>

7 years, 9 months

(no subject)

by Deepa Dinamani

Subject: [PATCH 0/6] Make ipc y2038 safe The series aims to transition internal workings of ipc subsystem to use y2038-safe types and apis. The series is based on Al Viro's #work.ipc branch. Deepa Dinamani (6): ipc: Make sys_semtimedop() y2038 safe ipc: mqueue: Replace timespec with timespec64 ipc: msg: Make msg_queue timestamps y2038 safe ipc: sem: Make sem_array timestamps y2038 safe ipc: shm: Make shmid_kernel timestamps y2038 safe utimes: Make utimes y2038 safe fs/utimes.c | 23 ++++++++++++----------- include/linux/audit.h | 6 +++--- include/linux/msg.h | 7 ++++--- include/linux/sem.h | 3 ++- include/linux/shm.h | 6 +++--- include/linux/time.h | 2 +- init/initramfs.c | 2 +- ipc/mqueue.c | 28 ++++++++++++++-------------- ipc/msg.c | 12 ++++++------ ipc/sem.c | 34 +++++++++++++++++----------------- ipc/shm.c | 16 ++++++++-------- kernel/audit.h | 2 +- kernel/auditsc.c | 12 ++++++------ 13 files changed, 78 insertions(+), 75 deletions(-) -- 2.11.0 Cc: Paul Moore <paul(a)paul-moore.com> Cc: Richard Guy Briggs <rgb(a)redhat.com>

7 years, 9 months

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by King Song

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7 years, 10 months

[PATCH v3 0/7] Isolate time_t data types for clock/timer syscalls

by Deepa Dinamani

7 years, 10 months

[PATCH v2 0/7] Isolate time_t data types for clock/timer syscalls

by Deepa Dinamani

7 years, 10 months

[PATCH 0/8] Isolate time_t data types for clock/timer syscalls

by Deepa Dinamani

The series aims at isolating data conversions of time_t based structures: struct timespec and struct itimerspec at user space boundaries. This helps to later change the underlying types to handle y2038 changes to these. The series is an update to Arnd Bergmann's previous series: http://sourceware.org/ml/libc-alpha/2015-05/msg00070.html The series particularly aims at changing kernel clock and timer interfaces. The changes include a. Add data conversion apis for native and compat modes. b. Refactor nanosleep and clock_nanosleep logic: 1. Move nanosleep and its compat version to a new file nanosleep.c. Alternatively, these can be moved into hrtimer.c. 2. Refactor common functions for nanosleep: same functions are used for posix timers and posix stubs. 3. Change the posix clock callbacks to take advantage of these common functions. b. Move compat syscalls to the same files as the regular syscalls. c. Use data conversion apis in the regular and compat syscall paths. d. Remove set_fs()/get_fs() calls in the compat syscall path and use the same logic as in the regular syscall path. Deepa Dinamani (8): time: add get_timespec64 and put_timespec64 nanosleep: Move native and compat syscalls kernel: compat: Move clock and timer compat syscalls nanosleep: Use get_timespec64() and set_timespec64() posix-timers: Use get_timepsec64() and put_timespec64() time: introduce {get,put}_itimerspec64 posix_clocks: Use get_itimerspec64() and put_itimerspec64() timerfd: Use get_itimerspec64() and put_itimerspec64() fs/timerfd.c | 43 +++--- include/linux/compat.h | 6 + include/linux/hrtimer.h | 5 +- include/linux/posix-timers.h | 1 - include/linux/time.h | 18 +++ kernel/compat.c | 288 ++++++++++------------------------------ kernel/time/Makefile | 2 +- kernel/time/alarmtimer.c | 26 ++-- kernel/time/hrtimer.c | 34 +---- kernel/time/nanosleep.c | 126 ++++++++++++++++++ kernel/time/nanosleep.h | 19 +++ kernel/time/posix-cpu-timers.c | 27 ++-- kernel/time/posix-stubs.c | 155 +++++++++++++++++----- kernel/time/posix-timers.c | 292 +++++++++++++++++++++++++++++++---------- kernel/time/posix-timers.h | 5 +- kernel/time/time.c | 58 ++++++++ 16 files changed, 694 insertions(+), 411 deletions(-) create mode 100644 kernel/time/nanosleep.c create mode 100644 kernel/time/nanosleep.h -- 2.11.0

7 years, 10 months

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Y2038