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619f0b6fad524f08d493a98d55bac9ab8895e3a6] [test failed on linux-next/master e7bb221a638962d487231ac45a6699fb9bb8f9fa] in testcase: kunit version: with following parameters: group: group-00 config: x86_64-os-bkc-post-si-6.6-staging-gnr-kunit compiler: gcc-12 test machine: 4 threads 1 sockets Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz (Ivy Bridge) with 8G memory (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202501161526.96f6702a-lkp@intel.com kern :err : [ 214.467063] BUG: KASAN: stack-out-of-bounds in test_cache_read (drivers/net/ethernet/microchip/vcap/vcap_api_debugfs_kunit.c:129) kern :err : [ 214.467229] Read of size 4 at addr ffffc90000bcfe10 by task kunit_try_catch/4204 kern :err : [ 214.467448] CPU: 0 PID: 4204 Comm: kunit_try_catch Tainted: G N 6.1.0-rc5-01255-g552b7d131aa0 #1 kern :err : [ 214.467663] Hardware name: Hewlett-Packard p6-1451cx/2ADA, BIOS 8.15 02/05/2013 kern :err : [ 214.467824] Call Trace: kern :err : [ 214.467899] kern :err : [ 214.467967] dump_stack_lvl (lib/dump_stack.c:107 (discriminator 1)) kern :err : [ 214.468069] print_address_description+0x87/0x2b2 kern :err : [ 214.468208] print_report (mm/kasan/report.c:396) kern :err : [ 214.468308] ? test_cache_read (drivers/net/ethernet/microchip/vcap/vcap_api_debugfs_kunit.c:129) kern :err : [ 214.468415] ? test_cache_read (drivers/net/ethernet/microchip/vcap/vcap_api_debugfs_kunit.c:129) kern :err : [ 214.468521] kasan_report (mm/kasan/report.c:497) kern :err : [ 214.468620] ? test_cache_read (drivers/net/ethernet/microchip/vcap/vcap_api_debugfs_kunit.c:129) kern :err : [ 214.468728] test_cache_read (drivers/net/ethernet/microchip/vcap/vcap_api_debugfs_kunit.c:129) kern :err : [ 214.468832] vcap_addr_keyset (drivers/net/ethernet/microchip/vcap/vcap_api_debugfs.c:317) kern :err : [ 214.468937] ? memset (mm/kasan/shadow.c:44) kern :err : [ 214.469026] vcap_api_addr_keyset_test (drivers/net/ethernet/microchip/vcap/vcap_api_debugfs_kunit.c:329) kern :err : [ 214.469145] ? vcap_api_show_admin_rule_test (drivers/net/ethernet/microchip/vcap/vcap_api_debugfs_kunit.c:299) kern :err : [ 214.469271] ? rwlock_bug+0x90/0x90 kern :err : [ 214.469378] ? complete_all (kernel/sched/clock.c:364) kern :err : [ 214.469484] ? do_raw_spin_unlock (arch/x86/include/asm/atomic.h:29 include/linux/atomic/atomic-instrumented.h:28 include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:140) kern :err : [ 214.469594] ? __switch_to_asm (arch/x86/entry/entry_64.S:265) kern :err : [ 214.469698] ? do_raw_spin_lock (arch/x86/include/asm/atomic.h:202 include/linux/atomic/atomic-instrumented.h:543 include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:115) kern :err : [ 214.469806] ? migrate_swap_stop (kernel/sched/core.c:4044) kern :err : [ 214.469917] kunit_try_run_case (lib/kunit/test.c:394) kern :err : [ 214.470027] ? kunit_catch_run_case (lib/kunit/test.c:379) kern :err : [ 214.470137] ? kunit_try_catch_throw (lib/kunit/try-catch.c:25) kern :err : [ 214.470249] kunit_generic_run_threadfn_adapter (lib/kunit/try-catch.c:30) kern :err : [ 214.470379] kthread (kernel/kthread.c:376) kern :err : [ 214.470470] ? kthread_complete_and_exit (kernel/kthread.c:331) kern :err : [ 214.470589] ret_from_fork (arch/x86/entry/entry_64.S:312) kern :err : [ 214.470689] kern :err : [ 214.470810] The buggy address belongs to stack of task kunit_try_catch/4204 kern :err : [ 214.470964] and is located at offset 496 in frame: kern :err : [ 214.471078] vcap_api_addr_keyset_test (drivers/net/ethernet/microchip/vcap/vcap_api_debugfs_kunit.c:299) kern :err : [ 214.471247] This frame has 5 objects: kern :err : [ 214.471341] [48, 72) '__assertion' kern :err : [ 214.471347] [112, 304) 'admin' kern :err : [ 214.471439] [368, 416) 'keydata' kern :err : [ 214.471524] [448, 496) 'mskdata' kern :err : [ 214.471612] [528, 576) 'actdata' kern :err : [ 214.471836] The buggy address belongs to the virtual mapping at [ffffc90000bc8000, ffffc90000bd1000) created by: dup_task_struct (kernel/fork.c:975) kern :err : [ 214.472226] The buggy address belongs to the physical page: kern :warn : [ 214.472354] page:(____ptrval____) refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10e068 kern :warn : [ 214.472555] flags: 0x17ffffc0000000(node=0|zone=2|lastcpupid=0x1fffff) kern :warn : [ 214.472708] raw: 0017ffffc0000000 0000000000000000 dead000000000122 0000000000000000 kern :warn : [ 214.472877] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 kern :warn : [ 214.473043] page dumped because: kasan: bad access detected kern :err : [ 214.473223] Memory state around the buggy address: kern :err : [ 214.473337] ffffc90000bcfd00: 00 00 00 00 00 00 00 00 00 00 f2 f2 f2 f2 f2 f2 kern :err : [ 214.473496] ffffc90000bcfd80: f2 f2 00 00 00 00 00 00 f2 f2 f2 f2 00 00 00 00 kern :err : [ 214.473654] >ffffc90000bcfe00: 00 00 f2 f2 f2 f2 00 00 00 00 00 00 f3 f3 f3 f3 kern :err : [ 214.473811] ^ kern :err : [ 214.473907] ffffc90000bcfe80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 kern :err : [ 214.474064] ffffc90000bcff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 kern :err : [ 214.474221] ================================================================== kern :info : [ 214.474577] not ok 1 - vcap_api_addr_keyset_test kern :info : [ 214.474946] addr: 788 X6 error rule, keyset: VCAP_KFS_MAC_ETYPE kern :info : [ 214.475242] ok 2 - vcap_api_show_admin_raw_test The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250116/202501161526.96f6702a-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki