| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <20180929003415.GA15893@shao2-debian>
Date: Sat, 29 Sep 2018 08:34:16 +0800
From: kernel test robot <rong.a.chen@...el.com>
To: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@...csson.com>
Cc: "David S. Miller" <davem@...emloft.net>,
Jon Maloy <jon.maloy@...csson.com>,
LKML <linux-kernel@...r.kernel.org>,
Stephen Rothwell <sfr@...b.auug.org.au>, lkp@...org
Subject: [LKP] [tipc] 3f32d0be6c: WARNING:possible_recursive_locking_detected
FYI, we noticed the following commit (built with gcc-6):
commit: 3f32d0be6c16b902b687453c962d17eea5b8ea19 ("tipc: lock wakeup & inputq at tipc_link_reset()")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git pending-fixes
in testcase: trinity
with following parameters:
runtime: 300s
test-description: Trinity is a linux system call fuzz tester.
test-url: http://codemonkey.org.uk/projects/trinity/
on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -m 256M
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+-------------------------------------------------------+------------+------------+
| | 94b6ddce71 | 3f32d0be6c |
+-------------------------------------------------------+------------+------------+
| boot_successes | 13 | 0 |
| boot_failures | 2 | 18 |
| WARNING:possible_circular_locking_dependency_detected | 2 | |
| WARNING:possible_recursive_locking_detected | 0 | 18 |
+-------------------------------------------------------+------------+------------+
[ 50.689529] WARNING: possible recursive locking detected
[ 50.689529] 4.19.0-rc5-00144-g3f32d0b #1 Not tainted
[ 50.689529] --------------------------------------------
[ 50.689529] swapper/0/1 is trying to acquire lock:
[ 50.689529] (____ptrval____) (&(&list->lock)->rlock#2){+...}, at: tipc_link_reset+0x3f/0x240
[ 50.689529]
[ 50.689529] but task is already holding lock:
[ 50.689529] (____ptrval____) (&(&list->lock)->rlock#2){+...}, at: tipc_link_reset+0x2f/0x240
[ 50.689529]
[ 50.689529] other info that might help us debug this:
[ 50.689529] Possible unsafe locking scenario:
[ 50.689529]
[ 50.689529] CPU0
[ 50.689529] ----
[ 50.689529] lock(&(&list->lock)->rlock#2);
[ 50.689529] lock(&(&list->lock)->rlock#2);
[ 50.689529]
[ 50.689529] *** DEADLOCK ***
[ 50.689529]
[ 50.689529] May be due to missing lock nesting notation
[ 50.689529]
[ 50.689529] 2 locks held by swapper/0/1:
[ 50.689529] #0: (____ptrval____) (pernet_ops_rwsem){+.+.}, at: register_pernet_subsys+0x15/0x3a
[ 50.689529] #1: (____ptrval____) (&(&list->lock)->rlock#2){+...}, at: tipc_link_reset+0x2f/0x240
[ 50.689529]
[ 50.689529] stack backtrace:
[ 50.689529] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.19.0-rc5-00144-g3f32d0b #1
[ 50.689529] Call Trace:
[ 50.689529] dump_stack+0x86/0xc0
[ 50.689529] validate_chain+0x844/0xaa5
[ 50.689529] ? sched_clock+0x9/0xd
[ 50.689529] ? sched_clock_local+0x11/0x7f
[ 50.689529] __lock_acquire+0x5e2/0x6d8
[ 50.689529] lock_acquire+0x161/0x1a9
[ 50.689529] ? tipc_link_reset+0x3f/0x240
[ 50.689529] _raw_spin_lock_bh+0x37/0x6d
[ 50.689529] ? tipc_link_reset+0x3f/0x240
[ 50.689529] tipc_link_reset+0x3f/0x240
[ 50.689529] tipc_link_bc_create+0x6f/0xb8
[ 50.689529] tipc_bcast_init+0x39c/0x3fa
[ 50.689529] tipc_init_net+0x1d1/0x20a
[ 50.689529] ? trace_event_define_fields_drv_wake_tx_queue+0x178/0x178
[ 50.689529] ops_init+0xfa/0x124
[ 50.689529] ? kvm_clock_read+0x18/0x21
[ 50.689529] ? tipc_init_net+0x20a/0x20a
[ 50.689529] register_pernet_operations+0x7a/0xa9
[ 50.689529] register_pernet_subsys+0x24/0x3a
[ 50.689529] tipc_init+0x65/0xb2
[ 50.689529] do_one_initcall+0xf7/0x298
[ 50.689529] kernel_init_freeable+0x282/0x34d
[ 50.689529] ? rest_init+0x22a/0x22a
[ 50.689529] kernel_init+0x9/0xf5
[ 50.689529] ret_from_fork+0x3a/0x50
[ 50.729187] tipc: Started in single node mode
[ 50.730086] 9pnet: Installing 9P2000 support
[ 50.731629] NET: Registered protocol family 36
[ 50.732600] Key type ceph registered
[ 50.733545] libceph: loaded (mon/osd proto 15/24)
[ 50.734851] openvswitch: Open vSwitch switching datapath
[ 50.736931] mpls_gso: MPLS GSO support
[ 50.738059] start plist test
[ 50.740671] end plist test
[ 50.742917] ... APIC ID: 00000000 (0)
[ 50.743522] ... APIC VERSION: 01050014
[ 50.743522] 0000000000000000000000000000000000000000000000000000000000000000
[ 50.743522] 0000000000000000000000000000000000000000000000000000000000000000
[ 50.743522] 0000000000000000000000000000000000000000000000000000000000001000
[ 50.748083] number of MP IRQ sources: 15.
[ 50.748702] number of IO-APIC #0 registers: 24.
[ 50.749337] testing the IO APIC.......................
[ 50.750176] IO APIC #0......
[ 50.750548] .... register #00: 00000000
[ 50.751013] ....... : physical APIC id: 00
[ 50.751632] ....... : Delivery Type: 0
[ 50.752126] ....... : LTS : 0
[ 50.752891] .... register #01: 00170011
[ 50.753619] ....... : max redirection entries: 17
[ 50.754566] ....... : PRQ implemented: 0
[ 50.755363] ....... : IO APIC version: 11
[ 50.756205] .... register #02: 00000000
[ 50.756939] ....... : arbitration: 00
[ 50.757700] .... IRQ redirection table:
[ 50.758423] IOAPIC 0:
[ 50.758858] pin00, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 50.760308] pin01, enabled , edge , high, V(25), IRR(0), S(0), physical, D(00), M(0)
[ 50.761721] pin02, enabled , edge , high, V(30), IRR(0), S(0), physical, D(00), M(0)
[ 50.763173] pin03, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 50.764598] pin04, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 50.766124] pin05, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 50.767655] pin06, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 50.769205] pin07, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 50.770739] pin08, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 50.772290] pin09, enabled , level, high, V(21), IRR(0), S(0), physical, D(00), M(0)
[ 50.773602] pin0a, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 50.774712] pin0b, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 50.776017] pin0c, enabled , edge , high, V(24), IRR(0), S(0), physical, D(00), M(0)
[ 50.777221] pin0d, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 50.778448] pin0e, enabled , edge , high, V(22), IRR(0), S(0), physical, D(00), M(0)
[ 50.779681] pin0f, enabled , edge , high, V(23), IRR(0), S(0), physical, D(00), M(0)
[ 50.781071] pin10, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 50.782400] pin11, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email
Thanks,
lkp
View attachment "config-4.19.0-rc5-00144-g3f32d0b" of type "text/plain" (136705 bytes)
View attachment "job-script" of type "text/plain" (3942 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (17844 bytes)
Powered by blists - more mailing lists