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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: devel-bounces@openvz.org Errors-To: devel-bounces@openvz.org On 9/22/26 13:21, Vladimir Riabchun wrote: > Please, don't take it with this series. > > The problem exists without the patches and we'd better add > a proper fix in a separate series under the task VSTOR-146839. ok, i won't apply this patch as well as i will drop neighbor related failcounter from the previous patch as it increases the amount of printks inside irq. > > On 9/15/26 19:22, Vladimir Riabchun wrote: >> get_exec_env() in interrupt context will return VE of the process >> that was interrupted. >> We don't want to leak logs to unrelated containers if we use >> ve_printk in a function that may be called in an interrupt. >> >> https://virtuozzo.atlassian.net/browse/VSTOR-135520 >> Signed-off-by: Vladimir Riabchun >> --- >> kernel/printk/printk.c | 7 ++++--- >> 1 file changed, 4 insertions(+), 3 deletions(-) >> >> diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c >> index 8940b36e790b..90ecd7960800 100644 >> --- a/kernel/printk/printk.c >> +++ b/kernel/printk/printk.c >> @@ -560,7 +560,8 @@ struct log_state *ve_log_state(void) >> { >> struct log_state *log = &init_log_state; >> #ifdef CONFIG_VE >> - if (get_exec_env()->log_state) >> + /* get_exec_env() is not reliable outside task context */ >> + if (get_exec_env()->log_state && in_task()) >> log = get_exec_env()->log_state; >> #endif >> return log; >> @@ -2538,7 +2539,7 @@ static asmlinkage int ve_vprintk(int dst, const char *fmt, va_list args) >> va_copy(args2, args); >> if (ve_is_super(get_exec_env()) || (dst & VE0_LOG)) >> r = vprintk(fmt, args); >> - if (!ve_is_super(get_exec_env()) && (dst & VE_LOG)) >> + if (!ve_is_super(get_exec_env()) && (dst & VE_LOG) && in_task()) >> r = ve_vprintk_emit(0, LOGLEVEL_DEFAULT, NULL, fmt, args2); >> va_end(args2); >> >> @@ -2570,7 +2571,7 @@ static asmlinkage int ve_vprintk_deferred(int dst, const char *fmt, va_list args >> va_copy(args2, args); >> if (ve_is_super(get_exec_env()) || (dst & VE0_LOG)) >> r = vprintk_emit(0, LOGLEVEL_SCHED, NULL, fmt, args); >> - if (!ve_is_super(get_exec_env()) && (dst & VE_LOG)) >> + if (!ve_is_super(get_exec_env()) && (dst & VE_LOG) && in_task()) >> r = ve_vprintk_emit(0, LOGLEVEL_SCHED, NULL, fmt, args2); >> va_end(args2); >> > _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel