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[PATCH] irqchip/gic-v3-its: its supoport s3/s4
by Hongbo Yao 09 Jun '20

09 Jun '20

commit dba0bc7b76dcf(irqchip/gic-v3-its: add ability to save/restore ITS state) add support to save/restore its suspend state. However, it needs to set ITS_FLAGS_SAVE_SUSPEND_STATE to 1 when we want to resend MAPC. In GIC500, GITS_typer.HCC is not zero, and it can be used to judge if we can resend MAPC if the firmware restores the state, but when GITS_typer.HCC is zero, and it will never have chance to set the flag, which will lead to a failuer to power off GIC logic in suspend. Signed-off-by: Hongbo Yao <yaohongbo(a)huawei.com> --- drivers/irqchip/irq-gic-v3-its.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 881466163c99..6ea2809b8680 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -3733,8 +3733,7 @@ static int __init its_probe_one(struct resource *res, ctlr |= GITS_CTLR_ImDe; writel_relaxed(ctlr, its->base + GITS_CTLR); - if (GITS_TYPER_HCC(typer)) - its->flags |= ITS_FLAGS_SAVE_SUSPEND_STATE; + its->flags |= ITS_FLAGS_SAVE_SUSPEND_STATE; err = its_init_domain(handle, its); if (err) -- 2.20.1

1 0

(no subject)
by liaichun 09 Jun '20

09 Jun '20

From: LiAichun <liaichun(a)huawei.com> euleros inclusion commit NA category:bugfix bugzilla:NA CVE:NA issue:I1JZHT ------------------------------------------------- From:YueHaibing<> Subject: [PATCH] netdevsim: Fix error handling in nsim_fib_init and neim_fib_exit Date: Mon, 8 Jun 2020 15:13:40 +0800 In nsim_fib_init(),if register_fib_notifier failed,nsim_fib_net_ops should be unregistered before return; In nsim_fib_exit(),unregister_fib_notifier should be called before nsim_fib_net_ops be unregistered, otherwise may cause use-after-free More detailed information can refer to: https://lkml.org/lkml/2019/10/11/216 Reported-by:Hulk Robot <hulkci(a)huawei.com> Fixes: 59c84b9fcf42("netdevsim: Restore per-network namespace accounting for fib entries") Signed-off-by: YueHaibing <yuehaibing(a)huawei.com> Signed-off-by: LiAichun <liaichun(a)huawei.com> --- drivers/net/netdevsim/fib.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/netdevsim/fib.c b/drivers/net/netdevsim/fib.c index f61d094..d5c01b8 100644 --- a/drivers/net/netdevsim/fib.c +++ b/drivers/net/netdevsim/fib.c @@ -241,8 +241,8 @@ static int __net_init nsim_fib_netns_init(struct net *net) void nsim_fib_exit(void) { - unregister_pernet_subsys(&nsim_fib_net_ops); unregister_fib_notifier(&nsim_fib_nb); + unregister_pernet_subsys(&nsim_fib_net_ops); } int nsim_fib_init(void) @@ -257,6 +257,7 @@ int nsim_fib_init(void) err = register_fib_notifier(&nsim_fib_nb, nsim_fib_dump_inconsistent); if (err < 0) { + unregister_pernet_subsys(&nsim_fib_net_ops); pr_err("Failed to register fib notifier\n"); goto err_out; } -- 1.8.3.1

1 0

(no subject)
by liaichun 09 Jun '20

09 Jun '20

From: LiAichun <liaichun(a)huawei.com> euleros inclusion commit NA category:bugfix bugzilla:NA CVE:NA Fix issue:gitee.com/openeuler/kernel/issues/I1JZHT ------------------------------------------------- From:YueHaibing<> Subject: [PATCH] netdevsim: Fix error handling in nsim_fib_init and neim_fib_exit Date: Mon, 8 Jun 2020 15:13:40 +0800 In nsim_fib_init(),if register_fib_notifier failed,nsim_fib_net_ops should be unregistered before return; In nsim_fib_exit(),unregister_fib_notifier should be called before nsim_fib_net_ops be unregistered, otherwise may cause use-after-free More detailed information can refer to: https://lkml.org/lkml/2019/10/11/216 Reported-by:Hulk Robot <hulkci(a)huawei.com> Fixes: 59c84b9fcf42("netdevsim: Restore per-network namespace accounting for fib entries") Signed-off-by: YueHaibing <yuehaibing(a)huawei.com> Signed-off-by: LiAichun <liaichun(a)huawei.com> --- drivers/net/netdevsim/fib.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/netdevsim/fib.c b/drivers/net/netdevsim/fib.c index f61d094..d5c01b8 100644 --- a/drivers/net/netdevsim/fib.c +++ b/drivers/net/netdevsim/fib.c @@ -241,8 +241,8 @@ static int __net_init nsim_fib_netns_init(struct net *net) void nsim_fib_exit(void) { - unregister_pernet_subsys(&nsim_fib_net_ops); unregister_fib_notifier(&nsim_fib_nb); + unregister_pernet_subsys(&nsim_fib_net_ops); } int nsim_fib_init(void) @@ -257,6 +257,7 @@ int nsim_fib_init(void) err = register_fib_notifier(&nsim_fib_nb, nsim_fib_dump_inconsistent); if (err < 0) { + unregister_pernet_subsys(&nsim_fib_net_ops); pr_err("Failed to register fib notifier\n"); goto err_out; } -- 1.8.3.1

1 0

(no subject)
by liaichun 09 Jun '20

09 Jun '20

From: LiAichun <liaichun(a)huawei.com> mainline inclusion from mainline-4.19.90-2003.4.0 commit a91b7a28e76a702bd81357bf41a45dab6486716b category:bugfix bugzilla:NA CVE:NA ------------------------------------------------- From:YueHaibing<> Subject: [PATCH] netdevsim: Fix error handling in nsim_fib_init and neim_fib_exit Date: Mon, 8 Jun 2020 15:13:40 +0800 In nsim_fib_init(),if register_fib_notifier failed,nsim_fib_net_ops should be unregistered before return; In nsim_fib_exit(),unregister_fib_notifier should be called before nsim_fib_net_ops be unregistered, otherwise may cause use-after-free More detailed information can refer to: https://lkml.org/lkml/2019/10/11/216 Reported-by:Hulk Robot <hulkci(a)huawei.com> Fixes: 59c84b9fcf42("netdevsim: Restore per-network namespace accounting for fib entries") Signed-off-by: YueHaibing <yuehaibing(a)huawei.com> Signed-off-by: LiAichun <liaichun(a)huawei.com> --- drivers/net/netdevsim/fib.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/netdevsim/fib.c b/drivers/net/netdevsim/fib.c index f61d094..d5c01b8 100644 --- a/drivers/net/netdevsim/fib.c +++ b/drivers/net/netdevsim/fib.c @@ -241,8 +241,8 @@ static int __net_init nsim_fib_netns_init(struct net *net) void nsim_fib_exit(void) { - unregister_pernet_subsys(&nsim_fib_net_ops); unregister_fib_notifier(&nsim_fib_nb); + unregister_pernet_subsys(&nsim_fib_net_ops); } int nsim_fib_init(void) @@ -257,6 +257,7 @@ int nsim_fib_init(void) err = register_fib_notifier(&nsim_fib_nb, nsim_fib_dump_inconsistent); if (err < 0) { + unregister_pernet_subsys(&nsim_fib_net_ops); pr_err("Failed to register fib notifier\n"); goto err_out; } -- 1.8.3.1

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[PATCH] net-netdevsim-fix-resource-leak
by liaichun 09 Jun '20

09 Jun '20

In nsim_fib_init(),if register_fib_notifier failed,nsim_fib_net_ops should be unregistered before return; In nsim_fib_exit(),unregister_fib_notifier should be called before nsim_fib_net_ops be unregistered, otherwise may cause use-after-free More detailed information can refer to: https://lkml.org/lkml/2019/10/11/216 kernel inclusion from:kernel-4.19 commit:2dca76fa95bf03c15bdcacd7cfa8f974c1a799f6 category:bugfix bugzilla:NA CVE:NA Signed-off-by: liaichun <513565428(a)qq.com> DESC:fix netdevsim resource leak --- drivers/net/netdevsim/fib.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/netdevsim/fib.c b/drivers/net/netdevsim/fib.c index f61d094..d5c01b8 100644 --- a/drivers/net/netdevsim/fib.c +++ b/drivers/net/netdevsim/fib.c @@ -241,8 +241,8 @@ static int __net_init nsim_fib_netns_init(struct net *net) void nsim_fib_exit(void) { - unregister_pernet_subsys(&nsim_fib_net_ops); unregister_fib_notifier(&nsim_fib_nb); + unregister_pernet_subsys(&nsim_fib_net_ops); } int nsim_fib_init(void) @@ -257,6 +257,7 @@ int nsim_fib_init(void) err = register_fib_notifier(&nsim_fib_nb, nsim_fib_dump_inconsistent); if (err < 0) { + unregister_pernet_subsys(&nsim_fib_net_ops); pr_err("Failed to register fib notifier\n"); goto err_out; } -- 1.8.3.1

2 1

[PATCH] net-netdevsim-fix-resource-leak
by liaichun 08 Jun '20

08 Jun '20

In nsim_fib_init(),if register_fib_notifier failed,nsim_fib_net_ops should be unregistered before return; In nsim_fib_exit(),unregister_fib_notifier should be called before nsim_fib_net_ops be unregistered, otherwise may cause use-after-free More detailed information can refer to: https://lkml.org/lkml/2019/10/11/216 Signed-off-by: liaichun <513565428(a)qq.com> Tested-by: liaichun <513565428(a)qq.com> Type:bugfix ID:NA SUG:restart DESC:fix netdevsim resource leak --- drivers/net/netdevsim/fib.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/netdevsim/fib.c b/drivers/net/netdevsim/fib.c index f61d094..d5c01b8 100644 --- a/drivers/net/netdevsim/fib.c +++ b/drivers/net/netdevsim/fib.c @@ -241,8 +241,8 @@ static int __net_init nsim_fib_netns_init(struct net *net) void nsim_fib_exit(void) { - unregister_pernet_subsys(&nsim_fib_net_ops); unregister_fib_notifier(&nsim_fib_nb); + unregister_pernet_subsys(&nsim_fib_net_ops); } int nsim_fib_init(void) @@ -257,6 +257,7 @@ int nsim_fib_init(void) err = register_fib_notifier(&nsim_fib_nb, nsim_fib_dump_inconsistent); if (err < 0) { + unregister_pernet_subsys(&nsim_fib_net_ops); pr_err("Failed to register fib notifier\n"); goto err_out; } -- 1.8.3.1

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[PATCH] net-netdevsim-fix-resource-leak
by liaichun 08 Jun '20

08 Jun '20

diff --git a/drivers/net/netdevsim/fib.c b/drivers/net/netdevsim/fib.c index f61d094..d5c01b8 100644 --- a/drivers/net/netdevsim/fib.c +++ b/drivers/net/netdevsim/fib.c @@ -241,8 +241,8 @@ static int __net_init nsim_fib_netns_init(struct net *net) void nsim_fib_exit(void) { - unregister_pernet_subsys(&nsim_fib_net_ops); unregister_fib_notifier(&nsim_fib_nb); + unregister_pernet_subsys(&nsim_fib_net_ops); } int nsim_fib_init(void) @@ -257,6 +257,7 @@ int nsim_fib_init(void) err = register_fib_notifier(&nsim_fib_nb, nsim_fib_dump_inconsistent); if (err < 0) { + unregister_pernet_subsys(&nsim_fib_net_ops); pr_err("Failed to register fib notifier\n"); goto err_out; } -- 1.8.3.1

2 1

[PATCH] net-netdevsim-fix-resource-leak
by liaichun 08 Jun '20

08 Jun '20

From: liaichun <liaichun(a)huawei.com> diff --git a/drivers/net/netdevsim/fib.c b/drivers/net/netdevsim/fib.c index f61d094..d5c01b8 100644 --- a/drivers/net/netdevsim/fib.c +++ b/drivers/net/netdevsim/fib.c @@ -241,8 +241,8 @@ static int __net_init nsim_fib_netns_init(struct net *net) void nsim_fib_exit(void) { - unregister_pernet_subsys(&nsim_fib_net_ops); unregister_fib_notifier(&nsim_fib_nb); + unregister_pernet_subsys(&nsim_fib_net_ops); } int nsim_fib_init(void) @@ -257,6 +257,7 @@ int nsim_fib_init(void) err = register_fib_notifier(&nsim_fib_nb, nsim_fib_dump_inconsistent); if (err < 0) { + unregister_pernet_subsys(&nsim_fib_net_ops); pr_err("Failed to register fib notifier\n"); goto err_out; } -- 1.8.3.1

1 0

[PATCH] net-netdevsim-fix-resource-leak
by liaichun 08 Jun '20

08 Jun '20

diff --git a/drivers/net/netdevsim/fib.c b/drivers/net/netdevsim/fib.c index f61d094..d5c01b8 100644 --- a/drivers/net/netdevsim/fib.c +++ b/drivers/net/netdevsim/fib.c @@ -241,8 +241,8 @@ static int __net_init nsim_fib_netns_init(struct net *net) void nsim_fib_exit(void) { - unregister_pernet_subsys(&nsim_fib_net_ops); unregister_fib_notifier(&nsim_fib_nb); + unregister_pernet_subsys(&nsim_fib_net_ops); } int nsim_fib_init(void) @@ -257,6 +257,7 @@ int nsim_fib_init(void) err = register_fib_notifier(&nsim_fib_nb, nsim_fib_dump_inconsistent); if (err < 0) { + unregister_pernet_subsys(&nsim_fib_net_ops); pr_err("Failed to register fib notifier\n"); goto err_out; } -- 1.8.3.1

1 0

[PATCH] net-netdevsim-fix-resource-leak
by liaichun 08 Jun '20

08 Jun '20

From: liaichun <liaichun(a)huawei.com> diff --git a/drivers/net/netdevsim/fib.c b/drivers/net/netdevsim/fib.c index f61d094..d5c01b8 100644 --- a/drivers/net/netdevsim/fib.c +++ b/drivers/net/netdevsim/fib.c @@ -241,8 +241,8 @@ static int __net_init nsim_fib_netns_init(struct net *net) void nsim_fib_exit(void) { - unregister_pernet_subsys(&nsim_fib_net_ops); unregister_fib_notifier(&nsim_fib_nb); + unregister_pernet_subsys(&nsim_fib_net_ops); } int nsim_fib_init(void) @@ -257,6 +257,7 @@ int nsim_fib_init(void) err = register_fib_notifier(&nsim_fib_nb, nsim_fib_dump_inconsistent); if (err < 0) { + unregister_pernet_subsys(&nsim_fib_net_ops); pr_err("Failed to register fib notifier\n"); goto err_out; } -- 1.8.3.1

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