From: Heiko Carstens <hca@linux.ibm.com>
To: Baoquan He <bhe@redhat.com>
Cc: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org,
kexec@lists.infradead.org, prudo@redhat.com
Subject: Re: [PATCH v2 RESEND 2/2] s390/kexec: fix memory leak of ipl report buffer
Date: Tue, 16 Nov 2021 12:17:35 +0100 [thread overview]
Message-ID: <YZOTT2v+V14Nk7IB@osiris> (raw)
In-Reply-To: <20211116033101.GD21646@MiWiFi-R3L-srv>
On Tue, Nov 16, 2021 at 11:31:01AM +0800, Baoquan He wrote:
> unreferenced object 0x38000195000 (size 4096):
> comm "kexec", pid 8548, jiffies 4294953647 (age 32443.270s)
> hex dump (first 32 bytes):
> 00 00 00 c8 20 00 00 00 00 00 00 c0 02 80 00 00 .... ...........
> 40 40 40 40 40 40 40 40 00 00 00 00 00 00 00 00 @@@@@@@@........
> backtrace:
> [<0000000011a2f199>] __vmalloc_node_range+0xc0/0x140
> [<0000000081fa2752>] vzalloc+0x5a/0x70
> [<0000000063a4c92d>] ipl_report_finish+0x2c/0x180
> [<00000000553304da>] kexec_file_add_ipl_report+0xf4/0x150
> [<00000000862d033f>] kexec_file_add_components+0x124/0x160
> [<000000000d2717bb>] arch_kexec_kernel_image_load+0x62/0x90
> [<000000002e0373b6>] kimage_file_alloc_init+0x1aa/0x2e0
> [<0000000060f2d14f>] __do_sys_kexec_file_load+0x17c/0x2c0
> [<000000008c86fe5a>] __s390x_sys_kexec_file_load+0x40/0x50
> [<000000001fdb9dac>] __do_syscall+0x1bc/0x1f0
> [<000000003ee4258d>] system_call+0x78/0xa0
>
> Signed-off-by: Baoquan He <bhe@redhat.com>
> Fixes: 99feaa717e55 ("s390/kexec_file: Create ipl report and pass to next kernel")
> ---
> RESEND:
> Fix the incorrect subject.
>
> arch/s390/include/asm/kexec.h | 7 +++++++
> arch/s390/kernel/machine_kexec_file.c | 9 +++++++++
> 2 files changed, 16 insertions(+)
Applied, thanks!
next prev parent reply other threads:[~2021-11-16 11:17 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-16 3:25 [PATCH v2 1/2] s390/kexec: check the return value of ipl_report_finish Baoquan He
2021-11-16 3:25 ` [PATCH v2 2/2] s390/kexec: fix kmemleak Baoquan He
2021-11-16 3:31 ` [PATCH v2 RESEND 2/2] s390/kexec: fix memory leak of ipl report buffer Baoquan He
2021-11-16 11:17 ` Heiko Carstens [this message]
2021-11-17 21:46 ` [PATCH v2 2/2] s390/kexec: fix kmemleak kernel test robot
2021-11-18 7:13 ` Baoquan He
2021-11-18 8:53 ` Heiko Carstens
2021-11-19 2:35 ` Baoquan He
2021-11-16 11:17 ` [PATCH v2 1/2] s390/kexec: check the return value of ipl_report_finish Heiko Carstens
2021-11-16 13:39 ` Baoquan He
2021-11-26 8:21 ` kernel test robot
2021-11-26 9:36 ` Baoquan He
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