From: Naresh Kamboju <naresh.kamboju@linaro.org> To: linux- stable <stable@vger.kernel.org>, Netdev <netdev@vger.kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Sasha Levin <sashal@kernel.org>, lkft-triage@lists.linaro.org, Dan Rue <dan.rue@linaro.org>, LTP List <ltp@lists.linux.it>, open list <linux-kernel@vger.kernel.org>, Jan Stancek <jstancek@redhat.com>, Basil Eljuse <Basil.Eljuse@arm.com>, chrubis <chrubis@suse.cz>, mmarhefk@redhat.com Subject: stable-rc-5.3.9-rc1: regressions detected - remove_proc_entry: removing non-empty directory 'net/dev_snmp6', leaking at least 'lo' Date: Mon, 4 Nov 2019 20:59:56 +0530 [thread overview] Message-ID: <CA+G9fYsWTFQZTHXUDPToaepnKGBoh61SsA_8SHcYgYZXN_L+mg@mail.gmail.com> (raw) Linux stable rc 5.3 branch running LTP reported following test failures. While investigating these failures I have found this kernel warning from boot console. Please find detailed LTP output log in the bottom of this email. List of regression test cases: ltp-containers-tests: * netns_breakns_ip_ipv6_ioctl * netns_breakns_ip_ipv6_netlink * netns_breakns_ns_exec_ipv6_ioctl * netns_breakns_ns_exec_ipv6_netlink * netns_comm_ip_ipv6_ioctl * netns_comm_ip_ipv6_netlink * netns_comm_ns_exec_ipv6_ioctl * netns_comm_ns_exec_ipv6_netlink dmesg log: [ 0.000000] Linux version 5.3.9-rc1 (oe-user@oe-host) (gcc version 7.3.0 (GCC)) #1 SMP PREEMPT Mon Nov 4 12:14:24 UTC 2019 [ 0.000000] Machine model: ARM Juno development board (r2) ... [ 3.670227] ------------[ cut here ]------------ [ 3.674887] remove_proc_entry: removing non-empty directory 'net/dev_snmp6', leaking at least 'lo' [ 3.684183] WARNING: CPU: 1 PID: 1 at /usr/src/kernel/fs/proc/generic.c:684 remove_proc_entry+0x194/0x1a8 [ 3.693658] Modules linked in: [ 3.696687] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.3.9-rc1 #1 [ 3.702806] Hardware name: ARM Juno development board (r2) (DT) [ 3.708669] pstate: 40000005 (nZcv daif -PAN -UAO) [ 3.713414] pc : remove_proc_entry+0x194/0x1a8 [ 3.717814] lr : remove_proc_entry+0x194/0x1a8 [ 3.722213] sp : ffff00001003bbe0 [ 3.725494] x29: ffff00001003bbe0 x28: ffff0000119cddc0 [ 3.730757] x27: ffff000012256000 x26: ffff00001220b000 [ 3.736019] x25: ffff00001220a000 x24: ffff000012209000 [ 3.741280] x23: ffff8009754a6b00 x22: ffff800973a536db [ 3.746541] x21: ffff800973a53600 x20: ffff000011f8f000 [ 3.751803] x19: ffff8009754a6bdb x18: ffffffffffffffff [ 3.757065] x17: 0000000000000007 x16: 0000000000000000 [ 3.762326] x15: ffff000011f8f848 x14: ffff80097396f108 [ 3.767588] x13: ffff80097396f107 x12: ffff000012268b70 [ 3.772849] x11: ffff000012268000 x10: 0000000000000028 [ 3.778111] x9 : 0000000000000000 x8 : ffff000011f8f848 [ 3.783372] x7 : 00000000b2722639 x6 : ffff000011f93000 [ 3.788634] x5 : 0000000000000000 x4 : ffff800975dd8000 [ 3.793895] x3 : ffff000011f90000 x2 : 0000000000000000 [ 3.799157] x1 : 43129acc141cb700 x0 : 0000000000000000 [ 3.804419] Call trace: [ 3.806841] remove_proc_entry+0x194/0x1a8 [ 3.810900] ipv6_proc_exit_net+0x38/0x58 [ 3.814872] ops_exit_list.isra.1+0x54/0x88 [ 3.819013] unregister_pernet_operations+0xec/0x150 [ 3.823929] unregister_pernet_subsys+0x34/0x48 [ 3.828416] ipv6_misc_proc_exit+0x1c/0x28 [ 3.832473] inet6_init+0x2a4/0x33c [ 3.835929] do_one_initcall+0x94/0x458 [ 3.839727] kernel_init_freeable+0x484/0x52c [ 3.844043] kernel_init+0x18/0x110 [ 3.847498] ret_from_fork+0x10/0x1c [ 3.851037] irq event stamp: 255276 [ 3.854492] hardirqs last enabled at (255275): [<ffff00001104f828>] _raw_spin_unlock_irq+0x38/0x78 [ 3.863453] hardirqs last disabled at (255276): [<ffff0000100a5a14>] debug_exception_enter+0xac/0xe8 [ 3.872498] softirqs last enabled at (255270): [<ffff00001008210c>] __do_softirq+0x474/0x580 [ 3.880943] softirqs last disabled at (255259): [<ffff0000101018e4>] irq_exit+0x144/0x150 [ 3.889044] ---[ end trace 6cbc85548f1f4bc5 ]--- ... LTP test trimmed output, RTNETLINK answers: Operation not supported netns_breakns_ns_exec_ipv6_netlink 1 TBROK: adding address to veth0 failed tee: /proc/sys/net/ipv6/conf/veth0/accept_dad: No such file or directory tee: /proc/sys/net/ipv6/conf/veth0/accept_ra: No such file or directory tee: /proc/sys/net/ipv6/conf/veth1/accept_dad: No such file or directory tee: /proc/sys/net/ipv6/conf/veth1/accept_ra: No such file or directory No support for INET6 on this system. netns_breakns_ns_exec_ipv6_ioctl 1 TBROK: adding address to veth0 failed netns_breakns_ip_ipv6_netlink 1 TBROK: adding address to veth0 failed netns_breakns_ip_ipv6_ioctl 1 TBROK: adding address to veth0 failed netns_comm_ns_exec_ipv6_netlink 1 TBROK: adding address to veth0 failed netns_comm_ns_exec_ipv6_ioctl 1 TBROK: adding address to veth0 failed netns_comm_ip_ipv6_netlink 1 TBROK: adding address to veth0 failed netns_comm_ip_ipv6_ioctl 1 TBROK: adding address to veth0 failed metadata: git branch: linux-5.3.y git repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git commit: ff21af282725ae2ebc3ac4298513816f760c929e git describe: v5.3.8-160-gff21af282725 make_kernelversion: 5.3.9-rc1 kernel-config: http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/juno/lkft/linux-stable-rc-5.3/35/config kernel-defconfig: http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/juno/lkft/linux-stable-rc-5.3/35/defconfig build-url: https://ci.linaro.org/job/openembedded-lkft-linux-stable-rc-5.3/DISTRO=lkft,MACHINE=juno,label=docker-lkft/35/ build-location: http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/juno/lkft/linux-stable-rc-5.3/35 We are investigating this problem. Full test logs, https://qa-reports.linaro.org/lkft/linux-stable-rc-5.3-oe/build/v5.3.8-160-gff21af282725/testrun/991864/log https://qa-reports.linaro.org/lkft/linux-stable-rc-5.3-oe/build/v5.3.8-160-gff21af282725/testrun/991901/log https://qa-reports.linaro.org/lkft/linux-stable-rc-5.3-oe/build/v5.3.8-160-gff21af282725/testrun/991922/log https://qa-reports.linaro.org/lkft/linux-stable-rc-5.3-oe/build/v5.3.8-160-gff21af282725/testrun/991884/log https://qa-reports.linaro.org/lkft/linux-stable-rc-5.3-oe/build/v5.3.8-160-gff21af282725/testrun/991846/log -- Linaro LKFT https://lkft.linaro.org/
WARNING: multiple messages have this Message-ID (diff)
From: Naresh Kamboju <naresh.kamboju@linaro.org> To: ltp@lists.linux.it Subject: [LTP] stable-rc-5.3.9-rc1: regressions detected - remove_proc_entry: removing non-empty directory 'net/dev_snmp6', leaking at least 'lo' Date: Mon, 4 Nov 2019 20:59:56 +0530 [thread overview] Message-ID: <CA+G9fYsWTFQZTHXUDPToaepnKGBoh61SsA_8SHcYgYZXN_L+mg@mail.gmail.com> (raw) Linux stable rc 5.3 branch running LTP reported following test failures. While investigating these failures I have found this kernel warning from boot console. Please find detailed LTP output log in the bottom of this email. List of regression test cases: ltp-containers-tests: * netns_breakns_ip_ipv6_ioctl * netns_breakns_ip_ipv6_netlink * netns_breakns_ns_exec_ipv6_ioctl * netns_breakns_ns_exec_ipv6_netlink * netns_comm_ip_ipv6_ioctl * netns_comm_ip_ipv6_netlink * netns_comm_ns_exec_ipv6_ioctl * netns_comm_ns_exec_ipv6_netlink dmesg log: [ 0.000000] Linux version 5.3.9-rc1 (oe-user@oe-host) (gcc version 7.3.0 (GCC)) #1 SMP PREEMPT Mon Nov 4 12:14:24 UTC 2019 [ 0.000000] Machine model: ARM Juno development board (r2) ... [ 3.670227] ------------[ cut here ]------------ [ 3.674887] remove_proc_entry: removing non-empty directory 'net/dev_snmp6', leaking at least 'lo' [ 3.684183] WARNING: CPU: 1 PID: 1 at /usr/src/kernel/fs/proc/generic.c:684 remove_proc_entry+0x194/0x1a8 [ 3.693658] Modules linked in: [ 3.696687] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.3.9-rc1 #1 [ 3.702806] Hardware name: ARM Juno development board (r2) (DT) [ 3.708669] pstate: 40000005 (nZcv daif -PAN -UAO) [ 3.713414] pc : remove_proc_entry+0x194/0x1a8 [ 3.717814] lr : remove_proc_entry+0x194/0x1a8 [ 3.722213] sp : ffff00001003bbe0 [ 3.725494] x29: ffff00001003bbe0 x28: ffff0000119cddc0 [ 3.730757] x27: ffff000012256000 x26: ffff00001220b000 [ 3.736019] x25: ffff00001220a000 x24: ffff000012209000 [ 3.741280] x23: ffff8009754a6b00 x22: ffff800973a536db [ 3.746541] x21: ffff800973a53600 x20: ffff000011f8f000 [ 3.751803] x19: ffff8009754a6bdb x18: ffffffffffffffff [ 3.757065] x17: 0000000000000007 x16: 0000000000000000 [ 3.762326] x15: ffff000011f8f848 x14: ffff80097396f108 [ 3.767588] x13: ffff80097396f107 x12: ffff000012268b70 [ 3.772849] x11: ffff000012268000 x10: 0000000000000028 [ 3.778111] x9 : 0000000000000000 x8 : ffff000011f8f848 [ 3.783372] x7 : 00000000b2722639 x6 : ffff000011f93000 [ 3.788634] x5 : 0000000000000000 x4 : ffff800975dd8000 [ 3.793895] x3 : ffff000011f90000 x2 : 0000000000000000 [ 3.799157] x1 : 43129acc141cb700 x0 : 0000000000000000 [ 3.804419] Call trace: [ 3.806841] remove_proc_entry+0x194/0x1a8 [ 3.810900] ipv6_proc_exit_net+0x38/0x58 [ 3.814872] ops_exit_list.isra.1+0x54/0x88 [ 3.819013] unregister_pernet_operations+0xec/0x150 [ 3.823929] unregister_pernet_subsys+0x34/0x48 [ 3.828416] ipv6_misc_proc_exit+0x1c/0x28 [ 3.832473] inet6_init+0x2a4/0x33c [ 3.835929] do_one_initcall+0x94/0x458 [ 3.839727] kernel_init_freeable+0x484/0x52c [ 3.844043] kernel_init+0x18/0x110 [ 3.847498] ret_from_fork+0x10/0x1c [ 3.851037] irq event stamp: 255276 [ 3.854492] hardirqs last enabled at (255275): [<ffff00001104f828>] _raw_spin_unlock_irq+0x38/0x78 [ 3.863453] hardirqs last disabled at (255276): [<ffff0000100a5a14>] debug_exception_enter+0xac/0xe8 [ 3.872498] softirqs last enabled at (255270): [<ffff00001008210c>] __do_softirq+0x474/0x580 [ 3.880943] softirqs last disabled at (255259): [<ffff0000101018e4>] irq_exit+0x144/0x150 [ 3.889044] ---[ end trace 6cbc85548f1f4bc5 ]--- ... LTP test trimmed output, RTNETLINK answers: Operation not supported netns_breakns_ns_exec_ipv6_netlink 1 TBROK: adding address to veth0 failed tee: /proc/sys/net/ipv6/conf/veth0/accept_dad: No such file or directory tee: /proc/sys/net/ipv6/conf/veth0/accept_ra: No such file or directory tee: /proc/sys/net/ipv6/conf/veth1/accept_dad: No such file or directory tee: /proc/sys/net/ipv6/conf/veth1/accept_ra: No such file or directory No support for INET6 on this system. netns_breakns_ns_exec_ipv6_ioctl 1 TBROK: adding address to veth0 failed netns_breakns_ip_ipv6_netlink 1 TBROK: adding address to veth0 failed netns_breakns_ip_ipv6_ioctl 1 TBROK: adding address to veth0 failed netns_comm_ns_exec_ipv6_netlink 1 TBROK: adding address to veth0 failed netns_comm_ns_exec_ipv6_ioctl 1 TBROK: adding address to veth0 failed netns_comm_ip_ipv6_netlink 1 TBROK: adding address to veth0 failed netns_comm_ip_ipv6_ioctl 1 TBROK: adding address to veth0 failed metadata: git branch: linux-5.3.y git repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git commit: ff21af282725ae2ebc3ac4298513816f760c929e git describe: v5.3.8-160-gff21af282725 make_kernelversion: 5.3.9-rc1 kernel-config: http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/juno/lkft/linux-stable-rc-5.3/35/config kernel-defconfig: http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/juno/lkft/linux-stable-rc-5.3/35/defconfig build-url: https://ci.linaro.org/job/openembedded-lkft-linux-stable-rc-5.3/DISTRO=lkft,MACHINE=juno,label=docker-lkft/35/ build-location: http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/juno/lkft/linux-stable-rc-5.3/35 We are investigating this problem. Full test logs, https://qa-reports.linaro.org/lkft/linux-stable-rc-5.3-oe/build/v5.3.8-160-gff21af282725/testrun/991864/log https://qa-reports.linaro.org/lkft/linux-stable-rc-5.3-oe/build/v5.3.8-160-gff21af282725/testrun/991901/log https://qa-reports.linaro.org/lkft/linux-stable-rc-5.3-oe/build/v5.3.8-160-gff21af282725/testrun/991922/log https://qa-reports.linaro.org/lkft/linux-stable-rc-5.3-oe/build/v5.3.8-160-gff21af282725/testrun/991884/log https://qa-reports.linaro.org/lkft/linux-stable-rc-5.3-oe/build/v5.3.8-160-gff21af282725/testrun/991846/log -- Linaro LKFT https://lkft.linaro.org/
next reply other threads:[~2019-11-04 15:30 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-11-04 15:29 Naresh Kamboju [this message] 2019-11-04 15:29 ` [LTP] stable-rc-5.3.9-rc1: regressions detected - remove_proc_entry: removing non-empty directory 'net/dev_snmp6', leaking at least 'lo' Naresh Kamboju 2019-11-05 4:14 ` Naresh Kamboju 2019-11-05 4:14 ` [LTP] " Naresh Kamboju 2019-11-05 7:34 ` Greg Kroah-Hartman 2019-11-05 7:34 ` [LTP] " Greg Kroah-Hartman 2019-11-05 7:58 ` Naresh Kamboju 2019-11-05 7:58 ` [LTP] " Naresh Kamboju 2019-11-05 8:06 ` Greg Kroah-Hartman 2019-11-05 8:06 ` [LTP] " Greg Kroah-Hartman 2019-11-05 8:39 ` Naresh Kamboju 2019-11-05 8:39 ` [LTP] " Naresh Kamboju
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