Comment 0 for bug 2038777

Revision history for this message
Juan Pedro Paredes (juampe) wrote : UBSAN: array-index-out-of-bounds

HiperV VM network problems

[ 19.259297] ================================================================================
[ 19.259536] UBSAN: array-index-out-of-bounds in /build/linux-7dWMY3/linux-6.5.0/drivers/net/hyperv/netvsc.c:1445:41
[ 19.259715] index 1 is out of range for type 'vmtransfer_page_range [1]'
[ 19.259896] CPU: 1 PID: 1306 Comm: (udev-worker) Not tainted 6.5.0-7-generic #7-Ubuntu
[ 19.259898] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI Release v4.1 04/06/2022
[ 19.259899] Call Trace:
[ 19.259901] <IRQ>
[ 19.259902] dump_stack_lvl+0x48/0x70
[ 19.259908] dump_stack+0x10/0x20
[ 19.259909] __ubsan_handle_out_of_bounds+0xc6/0x110
[ 19.259912] netvsc_receive+0x437/0x490 [hv_netvsc]
[ 19.259917] netvsc_poll+0x176/0x4b0 [hv_netvsc]
[ 19.259921] __napi_poll+0x30/0x1f0
[ 19.259924] net_rx_action+0x181/0x2e0
[ 19.259925] __do_softirq+0xd6/0x346
[ 19.259927] ? _raw_spin_unlock+0xe/0x40
[ 19.259929] __irq_exit_rcu+0x75/0xa0
[ 19.259932] irq_exit_rcu+0xe/0x20
[ 19.259933] sysvec_hyperv_callback+0x92/0xd0
[ 19.259935] </IRQ>
[ 19.259935] <TASK>

ProblemType: Bug
DistroRelease: Ubuntu 23.10
Package: ubuntu-release-upgrader-core 1:23.10.8
ProcVersionSignature: Ubuntu 6.5.0-7.7-generic 6.5.3
Uname: Linux 6.5.0-7-generic x86_64
ApportVersion: 2.27.0-0ubuntu4
Architecture: amd64
CasperMD5CheckResult: pass
CloudArchitecture: x86_64
CloudID: none
CloudName: none
CloudPlatform: none
CloudSubPlatform: config
CrashDB: ubuntu
Date: Sun Oct 8 23:09:45 2023
InstallationDate: Installed on 2021-03-07 (945 days ago)
InstallationMedia: Ubuntu-Server 20.04.2 LTS "Focal Fossa" - Release amd64 (20210201.2)
PackageArchitecture: all
ProcEnviron:
 LANG=es_ES.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 TERM=xterm
 XDG_RUNTIME_DIR=<set>
SourcePackage: ubuntu-release-upgrader
Symptom: release-upgrade
UpgradeStatus: Upgraded to mantic on 2023-10-08 (0 days ago)
VarLogDistupgradeLspcitxt:

VarLogDistupgradeXorgFixuplog:
 INFO:root:/usr/bin/do-release-upgrade running
 INFO:root:No xorg.conf, exiting