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John Ogness 89ccf18f03 printk: fix kmsg_dump_get_buffer length calulations 
kmsg_dump_get_buffer() uses @syslog to determine if the syslog
prefix should be written to the buffer. However, when calculating
the maximum number of records that can fit into the buffer, it
always counts the bytes from the syslog prefix.

Use @syslog when calculating the maximum number of records that can
fit into the buffer.

Fixes: e2ae715d66bf ("kmsg - kmsg_dump() use iterator to receive log buffer content")
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Acked-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20210113164413.1599-1-john.ogness@linutronix.de
2021-01-15 11:32:52 +01:00
..
bpf
bpf: Relax return code check for subprograms
2020-11-14 08:17:27 -08:00
cgroup
kernel/: fix repeated words in comments
2020-10-16 11:11:19 -07:00
configs
…
debug
kdb: Fix pager search for multi-line strings
2020-10-01 14:44:08 +01:00
dma
swiotlb: remove the tbl_dma_addr argument to swiotlb_tbl_map_single
2020-11-02 10:10:39 -05:00
entry
entry: Fix the incorrect ordering of lockdep and RCU check
2020-11-04 18:06:14 +01:00
events
perf: Tweak perf_event_attr::exclusive semantics
2020-11-09 18:12:36 +01:00
gcov
gcov: add support for GCC 10.1
2020-09-11 09:33:54 -07:00
irq
A set of fixes for interrupt chip drivers:
2020-11-08 09:52:57 -08:00
kcsan
kernel/: fix repeated words in comments
2020-10-16 11:11:19 -07:00
livepatch
kernel/: fix repeated words in comments
2020-10-16 11:11:19 -07:00
locking
lockdep: Put graph lock/unlock under lock_recursion protection
2020-11-17 13:15:35 +01:00
power
PM: sleep: fix typo in kernel/power/process.c
2020-10-27 19:11:44 +01:00
printk
printk: fix kmsg_dump_get_buffer length calulations
2021-01-15 11:32:52 +01:00
rcu
Merge branch 'urgent-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
2020-11-17 10:31:56 -08:00
sched
A couple of scheduler fixes:
2020-11-22 13:26:07 -08:00
time
time: Prevent undefined behaviour in timespec64_to_ns()
2020-10-26 11:48:11 +01:00
trace
lib/strncpy_from_user.c: Mask out bytes after NUL terminator.
2020-11-19 11:56:16 -08:00
.gitignore
…
acct.c
kernel: acct.c: fix some kernel-doc nits
2020-10-16 11:11:19 -07:00
async.c
treewide: Remove uninitialized_var() usage
2020-07-16 12:35:15 -07:00
audit_fsnotify.c
fsnotify: create method handle_inode_event() in fsnotify_operations
2020-07-27 23:25:50 +02:00
audit_tree.c
\n
2020-08-06 19:29:51 -07:00
audit_watch.c
fsnotify: create method handle_inode_event() in fsnotify_operations
2020-07-27 23:25:50 +02:00
audit.c
audit: Remove redundant null check
2020-08-26 09:10:39 -04:00
audit.h
audit: change unnecessary globals into statics
2020-08-17 20:26:58 -04:00
auditfilter.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
auditsc.c
audit/stable-5.9 PR 20200803
2020-08-04 14:20:26 -07:00
backtracetest.c
treewide: Replace DECLARE_TASKLET() with DECLARE_TASKLET_OLD()
2020-07-30 11:15:58 -07:00
bounds.c
…
capability.c
LSM: Signal to SafeSetID when setting group IDs
2020-10-13 09:17:34 -07:00
compat.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
configs.c
…
context_tracking.c
context_tracking: Ensure that the critical path cannot be instrumented
2020-06-11 15:14:36 +02:00
cpu_pm.c
notifier: Fix broken error handling pattern
2020-09-01 09:58:03 +02:00
cpu.c
The changes in this cycle are:
2020-06-03 13:06:42 -07:00
crash_core.c
kdump: append kernel build-id string to VMCOREINFO
2020-08-12 10:58:01 -07:00
crash_dump.c
…
cred.c
exec: Teach prepare_exec_creds how exec treats uids & gids
2020-05-20 14:44:21 -05:00
delayacct.c
…
dma.c
…
elfcore.c
…
exec_domain.c
…
exit.c
don't dump the threads that had been already exiting when zapped.
2020-10-28 16:39:49 -04:00
extable.c
…
fail_function.c
fail_function: Remove a redundant mutex unlock
2020-11-19 11:58:16 -08:00
fork.c
fork: fix copy_process(CLONE_PARENT) race with the exiting ->real_parent
2020-11-08 11:18:39 -08:00
freezer.c
…
futex.c
futex: Don't enable IRQs unconditionally in put_pi_state()
2020-11-09 14:30:30 +01:00
gen_kheaders.sh
kbuild: add variables for compression tools
2020-06-06 23:42:01 +09:00
groups.c
LSM: Signal to SafeSetID when setting group IDs
2020-10-13 09:17:34 -07:00
hung_task.c
kernel/hung_task.c: make type annotations consistent
2020-11-02 12:14:19 -08:00
iomem.c
…
irq_work.c
irq_work, smp: Allow irq_work on call_single_queue
2020-05-28 10:54:15 +02:00
jump_label.c
kernel/: fix repeated words in comments
2020-10-16 11:11:19 -07:00
kallsyms.c
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
kcmp.c
…
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
…
Kconfig.preempt
…
kcov.c
kcov: make some symbols static
2020-08-12 10:58:02 -07:00
kexec_core.c
kernel/: fix repeated words in comments
2020-10-16 11:11:19 -07:00
kexec_elf.c
…
kexec_file.c
kernel/resource: move and rename IORESOURCE_MEM_DRIVER_MANAGED
2020-10-16 11:11:18 -07:00
kexec_internal.h
…
kexec.c
LSM: Introduce kernel_post_load_data() hook
2020-10-05 13:37:03 +02:00
kheaders.c
…
kmod.c
kmod: remove redundant "be an" in the comment
2020-08-12 10:58:01 -07:00
kprobes.c
kprobes: Tell lockdep about kprobe nesting
2020-11-04 09:46:06 -05:00
ksysfs.c
…
kthread.c
kthread_worker: prevent queuing delayed work from timer_fn when it is being canceled
2020-11-02 12:14:19 -08:00
latencytop.c
…
Makefile
Kbuild updates for v5.10
2020-10-22 13:13:57 -07:00
module_signature.c
…
module_signing.c
…
module-internal.h
…
module.c
Modules updates for v5.10
2020-10-22 13:08:57 -07:00
notifier.c
notifier: Fix broken error handling pattern
2020-09-01 09:58:03 +02:00
nsproxy.c
nsproxy: support CLONE_NEWTIME with setns()
2020-07-08 11:14:22 +02:00
padata.c
padata: fix possible padata_works_lock deadlock
2020-09-04 17:51:55 +10:00
panic.c
panic: don't dump stack twice on warn
2020-11-14 11:26:04 -08:00
params.c
params: Replace zero-length array with flexible-array member
2020-10-29 17:22:59 -05:00
pid_namespace.c
kernel/: fix repeated words in comments
2020-10-16 11:11:19 -07:00
pid.c
pid: move pidfd_get_pid() to pid.c
2020-10-18 09:27:10 -07:00
profile.c
…
ptrace.c
ptrace: Set PF_SUPERPRIV when checking capability
2020-11-17 12:53:22 -08:00
range.c
kernel.h: split out min()/max() et al. helpers
2020-10-16 11:11:19 -07:00
reboot.c
reboot: fix overflow parsing reboot cpu number
2020-11-14 11:26:03 -08:00
regset.c
regset: kill ->get()
2020-07-27 14:31:12 -04:00
relay.c
kernel/relay.c: drop unneeded initialization
2020-10-16 11:11:22 -07:00
resource.c
kernel/resource: make iomem_resource implicit in release_mem_region_adjustable()
2020-10-16 11:11:18 -07:00
rseq.c
…
scftorture.c
scftorture: Add cond_resched() to test loop
2020-08-24 18:38:38 -07:00
scs.c
mm: memcontrol: account kernel stack per node
2020-08-07 11:33:25 -07:00
seccomp.c
seccomp: Set PF_SUPERPRIV when checking capability
2020-11-17 12:53:22 -08:00
signal.c
ptrace: fix task_join_group_stop() for the case when current is traced
2020-11-02 12:14:19 -08:00
smp.c
Merge tag 'core-rcu-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-10-18 14:34:50 -07:00
smpboot.c
…
smpboot.h
…
softirq.c
softirq: Add debug check to __raise_softirq_irqoff()
2020-09-16 15:18:56 +02:00
stackleak.c
stackleak: let stack_erasing_sysctl take a kernel pointer buffer
2020-09-19 13:13:39 -07:00
stacktrace.c
stacktrace: Remove reliable argument from arch_stack_walk() callback
2020-09-18 14:24:16 +01:00
static_call.c
static_call: Fix return type of static_call_init
2020-10-02 21:18:25 +02:00
stop_machine.c
stop_machine, rcu: Mark functions as notrace
2020-10-26 12:12:27 +01:00
sys_ni.c
mm/madvise: introduce process_madvise() syscall: an external memory hinting API
2020-10-18 09:27:10 -07:00
sys.c
kernel/sys.c: fix prototype of prctl_get_tid_address()
2020-10-25 11:44:16 -07:00
sysctl-test.c
…
sysctl.c
mm: allow a controlled amount of unfairness in the page lock
2020-09-17 10:26:41 -07:00
task_work.c
task_work: cleanup notification modes
2020-10-17 15:05:30 -06:00
taskstats.c
taskstats: move specifying netlink policy back to ops
2020-10-02 19:11:12 -07:00
test_kprobes.c
…
torture.c
torture: Dump ftrace at shutdown only if requested
2020-06-29 12:01:45 -07:00
tracepoint.c
tracepoint: Replace zero-length array with flexible-array member
2020-10-29 17:22:59 -05:00
tsacct.c
…
ucount.c
…
uid16.c
…
uid16.h
…
umh.c
usermodehelper: reset umask to default before executing user process
2020-10-06 10:31:52 -07:00
up.c
…
user_namespace.c
kernel/: fix repeated words in comments
2020-10-16 11:11:19 -07:00
user-return-notifier.c
…
user.c
user.c: make uidhash_table static
2020-06-04 19:06:24 -07:00
usermode_driver.c
umd: Stop using split_argv
2020-07-07 11:58:59 -05:00
utsname_sysctl.c
…
utsname.c
nsproxy: add struct nsset
2020-05-09 13:57:12 +02:00
watch_queue.c
watch_queue: Limit the number of watches a user can hold
2020-08-17 09:39:18 -07:00
watchdog_hld.c
…
watchdog.c
kernel/watchdog: fix watchdog_allowed_mask not used warning
2020-11-14 11:26:03 -08:00
workqueue_internal.h
…
workqueue.c
workqueue: fix a kernel-doc warning
2020-10-16 07:28:20 +02:00