FYI, we noticed the following commit (built with gcc-7):
commit: 65d69a05938b05836f270501ba217ff521748312 ("platform/x86: Add SoCWatch driver
for v2.6")
2018-09-30 11:20:01
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):
+----------------------------------------------------------------+-----------+------------+
| | v4.19-rc5 | 65d69a0593
|
+----------------------------------------------------------------+-----------+------------+
| boot_successes | 38 | 0
|
| boot_failures | 0 | 6
|
| WARNING:Could_NOT_find_tracepoint_structs_for_some_tracepoints | 0 | 6
|
+----------------------------------------------------------------+-----------+------------+
[ 13.385284] WARNING: Could NOT find tracepoint structs for some tracepoints!
[ 13.386543] -----------------------------------------
[ 13.387472] OK: LOADED SoC Watch Driver
[ 13.388183] -----------------------------------------
[ 13.397539] NET: Registered protocol family 26
[ 13.398667] NET: Registered protocol family 10
[ 13.399578] _warn_unseeded_randomness: 2 callbacks suppressed
[ 13.399585] random: get_random_u32 called from neigh_hash_alloc+0x79/0x8d with
crng_init=0
[ 13.402803] random: get_random_bytes called from ipv6_regen_rndid+0x16/0x9b with
crng_init=0
[ 13.404535] random: get_random_u32 called from bucket_table_alloc+0xfa/0x118 with
crng_init=0
[ 13.406080] Segment Routing with IPv6
[ 13.406800] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[ 13.408580] NET: Registered protocol family 17
[ 13.409404] NET: Registered protocol family 15
[ 13.410209] NET: Registered protocol family 5
[ 13.411054] NET: Registered protocol family 9
[ 13.411868] X25: Linux Version 0.2
[ 13.412503] NET4: DECnet for Linux: V.2.5.68s (C) 1995-2003 Linux DECnet Project Team
[ 13.414017] DECnet: Routing cache hash table of 256 buckets, 11Kbytes
[ 13.415219] NET: Registered protocol family 12
[ 13.416041] 8021q: 802.1Q VLAN Support v1.8
[ 13.416815] 9pnet: Installing 9P2000 support
[ 13.417693] NET: Registered protocol family 36
[ 13.418998] batman_adv: B.A.T.M.A.N. advanced 2018.2 (compatibility version 15) loaded
[ 13.421089] ... APIC ID: 00000000 (0)
[ 13.421784] ... APIC VERSION: 01050014
[ 13.421832] 0000000000000000000000000000000000000000000000000000000000000000
[ 13.421832] 0000000000000000000000000000000000000000000000000000000000000000
[ 13.421832] 0000000000000000000000000000000000000000000000000000000000001000
[ 13.426313] number of MP IRQ sources: 15.
[ 13.427051] number of IO-APIC #0 registers: 24.
[ 13.427855] testing the IO APIC.......................
[ 13.428776] IO APIC #0......
[ 13.429328] .... register #00: 00000000
[ 13.430025] ....... : physical APIC id: 00
[ 13.430772] ....... : Delivery Type: 0
[ 13.431488] ....... : LTS : 0
[ 13.432209] .... register #01: 00170011
[ 13.432893] ....... : max redirection entries: 17
[ 13.433769] ....... : PRQ implemented: 0
[ 13.434540] ....... : IO APIC version: 11
[ 13.435316] .... register #02: 00000000
[ 13.436024] ....... : arbitration: 00
[ 13.436727] .... IRQ redirection table:
[ 13.437437] IOAPIC 0:
[ 13.437895] pin00, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 13.439271] pin01, enabled , edge , high, V(23), IRR(0), S(0), logical , D(01), M(0)
[ 13.440637] pin02, enabled , edge , high, V(30), IRR(0), S(0), logical , D(01), M(0)
[ 13.442014] pin03, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 13.443375] pin04, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 13.444742] pin05, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 13.446125] pin06, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 13.447519] pin07, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 13.448892] pin08, enabled , edge , high, V(24), IRR(0), S(0), logical , D(01), M(0)
[ 13.450294] pin09, enabled , level, high, V(21), IRR(0), S(0), logical , D(01), M(0)
[ 13.451656] pin0a, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 13.453056] pin0b, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 13.454443] pin0c, enabled , edge , high, V(22), IRR(0), S(0), logical , D(01), M(0)
[ 13.455842] pin0d, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 13.457239] pin0e, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 13.458624] pin0f, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 13.460038] pin10, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 13.461432] pin11, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 13.462811] pin12, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 13.464192] pin13, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 13.465563] pin14, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 13.466938] pin15, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 13.468335] pin16, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 13.469708] pin17, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[ 13.471064] IRQ to pin mappings:
[ 13.471622] IRQ0 -> 0:2
[ 13.472092] IRQ1 -> 0:1
[ 13.472549] IRQ3 -> 0:3
[ 13.473029] IRQ4 -> 0:4
[ 13.473476] IRQ5 -> 0:5
[ 13.473944] IRQ6 -> 0:6
[ 13.474388] IRQ7 -> 0:7
[ 13.474817] IRQ8 -> 0:8
[ 13.475285] IRQ9 -> 0:9
[ 13.475729] IRQ10 -> 0:10
[ 13.476225] IRQ11 -> 0:11
[ 13.476691] IRQ12 -> 0:12
[ 13.477198] IRQ13 -> 0:13
[ 13.477667] IRQ14 -> 0:14
[ 13.478171] IRQ15 -> 0:15
[ 13.478643] .................................... done.
[ 13.479558] Using IPI Shortcut mode
[ 13.481221] sched_clock: Marking stable (13283604071, 197228228)->(13552011153,
-71178854)
[ 13.483335] page_owner is disabled
[ 13.484476] Key type trusted registered
[ 13.485511] Key type encrypted registered
[ 13.486274] AppArmor: AppArmor sha1 policy hashing enabled
[ 13.487801] BIOS EDD facility v0.16 2004-Jun-25, 2 devices found
[ 13.494276] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 13.496588] 8021q: adding VLAN 0 to HW filter on device eth0
[ 15.538457] e1000: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
[ 15.540593] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 15.542696] _warn_unseeded_randomness: 6 callbacks suppressed
[ 15.542703] random: get_random_bytes called from addrconf_dad_kick+0x6e/0x9b with
crng_init=0
[ 15.551871] Sending DHCP requests .
[ 15.551884] random: get_random_bytes called from ip_auto_config+0x6c8/0x1302 with
crng_init=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,
eywa