https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-17419 Lustre <p>it looks target name not properly terminated, so it caused a KASAN warning and panic with debug option set. </p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>[ 534.043517] ================================================================== [ 534.044351] BUG: KASAN: slab-out-of-bounds in string_nocheck+0x1ec/0x290 [ 534.045064] Read of size 1 at addr ffff88818625d1c0 by task mount.lustre/5165 [ 534.045797] [ 534.045971] CPU: 1 PID: 5165 Comm: mount.lustre Tainted: G W OE ---------r- - 4.18.0-348.23.1.el8_5.x86_64+debug #1 [ 534.047172] Hardware name: Red Hat KVM/RHEL-AV, BIOS 1.16.0-4.module_el8.9.0+3659+9c8643f3 04/01/2014 [ 534.048120] Call Trace: [ 534.048393] dump_stack+0x8e/0xd0 [ 534.048749] ? string_nocheck+0x1ec/0x290 [ 534.049178] print_address_description.constprop.5+0x1e/0x230 [ 534.054812] string+0xb6/0xc0 [ 534.057142] libcfs_debug_msg+0x152c/0x2290 [libcfs] [ 534.059975] server_start_targets+0x39d8/0x73e0 [ptlrpc] [ 534.074514] server_fill_super+0x1352/0x1cc0 [ptlrpc] [ 534.077431] lustre_fill_super+0x779/0x9f0 [lustre] [ 534.078519] mount_nodev+0x48/0xe0 [ 534.079441] legacy_get_tree+0x105/0x200 [ 534.080294] vfs_get_tree+0x89/0x330 [ 534.081114] do_mount+0xd40/0x1570 [ 534.083922] ksys_mount+0xb6/0xd0 [ 534.084282] __x64_sys_mount+0xba/0x150 [ 534.084704] do_syscall_64+0xa5/0x430 [ 534.085090] entry_SYSCALL_64_after_hwframe+0x6a/0xdf ---- [ 534.092557] Allocated by task 5165: [ 534.092927] kasan_save_stack+0x19/0x80 [ 534.093321] __kasan_kmalloc.constprop.9+0xc1/0xd0 [ 534.093817] __kmalloc+0x143/0x260 [ 534.094257] server_lsi2mti+0x6d5/0x1600 [ptlrpc] [ 534.094838] server_start_targets+0x9f5/0x73e0 [ptlrpc] [ 534.095489] server_fill_super+0x1352/0x1cc0 [ptlrpc] [ 534.096062] lustre_fill_super+0x779/0x9f0 [lustre] [ 534.096584] mount_nodev+0x48/0xe0 [ 534.096946] legacy_get_tree+0x105/0x200 [ 534.097353] vfs_get_tree+0x89/0x330 [ 534.097729] do_mount+0xd40/0x1570 [ 534.098114] ksys_mount+0xb6/0xd0 [ 534.098482] __x64_sys_mount+0xba/0x150 [ 534.098885] do_syscall_64+0xa5/0x430 [ 534.099269] entry_SYSCALL_64_after_hwframe+0x6a/0xdf </pre> </div></div> LU-17419

KASAN: slab-out-of-bounds in string_nocheck in server_start_targets

Bug Critical Open Unresolved WC Triage Alexey Lyashkov Thu, 11 Jan 2024 15:59:23 +0000 Thu, 11 Jan 2024 15:59:23 +0000 0 1 Development Rank 1|i04773: Rank (Obsolete) 9223372036854775807 Severity