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linux/fs/proc
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Jiri Olsa e8ceff4995 fs/proc/kcore.c: Clear ret value in read_kcore_iter after successful iov_iter_zero 
commit 088f294609 upstream.

If iov_iter_zero succeeds after failed copy_from_kernel_nofault,
we need to reset the ret value to zero otherwise it will be returned
as final return value of read_kcore_iter.

This fixes objdump -d dump over /proc/kcore for me.

Cc: stable@vger.kernel.org
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Fixes: 3d5854d75e ("fs/proc/kcore.c: allow translation of physical memory addresses")
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20241121231118.3212000-1-jolsa@kernel.org
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2024-12-14 19:54:15 +01:00
..
array.c fs/proc: do_task_stat: use sig->stats_lock to gather the threads/children stats 2024-03-15 10:48:22 -04:00
base.c proc: add config & param to block forcing mem writes 2024-10-17 15:21:39 +02:00
bootconfig.c proc: bootconfig: Add null pointer check 2022-04-02 08:40:09 -04:00
cmdline.c proc: introduce proc_create_single{,_data} 2018-05-16 07:23:35 +02:00
consoles.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 191 2019-05-30 11:29:21 -07:00
cpuinfo.c x86/aperfmperf: Replace aperfmperf_get_khz() 2022-04-27 20:22:19 +02:00
devices.c proc: mark more files as permanent 2022-10-03 14:21:45 -07:00
fd.c procfs: prevent unprivileged processes accessing fdinfo dir 2022-05-09 17:34:28 -07:00
fd.h fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
generic.c proc: fix dentry/inode overinstantiating under /proc/${pid}/net 2022-05-09 18:29:19 -07:00
inode.c take care to handle NULL ->proc_lseek() 2022-08-14 15:16:18 -04:00
internal.h proc: nommu: fix empty /proc/<pid>/maps 2023-10-06 14:56:42 +02:00
interrupts.c proc: introduce proc_create_seq{,_data} 2018-05-16 07:23:35 +02:00
Kconfig proc: make config PROC_CHILDREN depend on PROC_FS 2022-10-03 14:21:43 -07:00
kcore.c fs/proc/kcore.c: Clear ret value in read_kcore_iter after successful iov_iter_zero 2024-12-14 19:54:15 +01:00
kmsg.c printk changes for 6.1 2022-10-10 11:24:19 -07:00
loadavg.c proc: mark more files as permanent 2022-10-03 14:21:45 -07:00
Makefile proc: bootconfig: Add /proc/bootconfig to show boot config list 2020-01-13 13:19:39 -05:00
meminfo.c proc/meminfo: fix spacing in SecPageTables 2022-11-22 18:50:44 -08:00
namespaces.c Merge branch 'work.openat2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-01-29 11:20:24 -08:00
nommu.c proc: delete unused <linux/uaccess.h> includes 2022-07-17 17:31:39 -07:00
page.c proc: mark more files as permanent 2022-10-03 14:21:45 -07:00
proc_net.c proc: add some (hopefully) insightful comments 2022-07-29 18:12:35 -07:00
proc_sysctl.c sysctl: always initialize i_uid/i_gid 2024-08-11 12:35:51 +02:00
proc_tty.c proc: delete unused <linux/uaccess.h> includes 2022-07-17 17:31:39 -07:00
root.c proc: add some (hopefully) insightful comments 2022-07-29 18:12:35 -07:00
self.c Revert "proc: don't allow async path resolution of /proc/self components" 2021-02-23 20:32:11 -07:00
softirqs.c proc/softirqs: replace seq_printf with seq_put_decimal_ull_width 2024-12-14 19:53:10 +01:00
stat.c fs/proc/uptime.c: Fix idle time reporting in /proc/uptime 2021-10-05 15:51:35 +02:00
task_mmu.c fs/proc/task_mmu: indicate PM_FILE for PMD-mapped file THP 2024-08-03 08:49:28 +02:00
task_nommu.c proc: nommu: fix empty /proc/<pid>/maps 2023-10-06 14:56:42 +02:00
thread_self.c Revert "proc: don't allow async path resolution of /proc/thread-self components" 2021-02-23 20:32:11 -07:00
uptime.c proc: mark more files as permanent 2022-10-03 14:21:45 -07:00
util.c fs/proc/util.c: include fs/proc/internal.h for name_to_int() 2019-01-04 13:13:45 -08:00
version.c proc: mark more files as permanent 2022-10-03 14:21:45 -07:00
vmcore.c fs/proc: fix compile warning about variable 'vmcore_mmap_ops' 2024-11-14 13:15:18 +01:00