Date
June 2, 2025, 2:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 53.356874] ================================================================== [ 53.357340] BUG: KFENCE: use-after-free read in test_krealloc+0x51c/0x830 [ 53.357340] [ 53.357856] Use-after-free read at 0x0000000084d8593f (in kfence-#165): [ 53.358292] test_krealloc+0x51c/0x830 [ 53.358804] kunit_try_run_case+0x170/0x3f0 [ 53.359362] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 53.359626] kthread+0x24c/0x2d0 [ 53.360038] ret_from_fork+0x10/0x20 [ 53.360467] [ 53.360703] kfence-#165: 0x0000000084d8593f-0x00000000934a97e3, size=32, cache=kmalloc-32 [ 53.360703] [ 53.361676] allocated by task 316 on cpu 0 at 53.356005s (0.005662s ago): [ 53.362187] test_alloc+0x29c/0x628 [ 53.362502] test_krealloc+0xc0/0x830 [ 53.362776] kunit_try_run_case+0x170/0x3f0 [ 53.363201] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 53.363680] kthread+0x24c/0x2d0 [ 53.363884] ret_from_fork+0x10/0x20 [ 53.364171] [ 53.364327] freed by task 316 on cpu 0 at 53.356361s (0.007959s ago): [ 53.364707] krealloc_noprof+0xa8/0x1a0 [ 53.364930] test_krealloc+0x1dc/0x830 [ 53.365156] kunit_try_run_case+0x170/0x3f0 [ 53.365403] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 53.365918] kthread+0x24c/0x2d0 [ 53.366110] ret_from_fork+0x10/0x20 [ 53.366380] [ 53.366522] CPU: 0 UID: 0 PID: 316 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 53.367171] Tainted: [B]=BAD_PAGE, [N]=TEST [ 53.367684] Hardware name: linux,dummy-virt (DT) [ 53.368136] ==================================================================
[ 48.423563] ================================================================== [ 48.424038] BUG: KFENCE: use-after-free read in test_krealloc+0x6fd/0xbe0 [ 48.424038] [ 48.424575] Use-after-free read at 0x(____ptrval____) (in kfence-#133): [ 48.424833] test_krealloc+0x6fd/0xbe0 [ 48.425106] kunit_try_run_case+0x1a6/0x480 [ 48.425480] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 48.425761] kthread+0x257/0x310 [ 48.425943] ret_from_fork+0x41/0x80 [ 48.426247] ret_from_fork_asm+0x1a/0x30 [ 48.426560] [ 48.426713] kfence-#133: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 48.426713] [ 48.427086] allocated by task 334 on cpu 1 at 48.422683s (0.004398s ago): [ 48.427533] test_alloc+0x365/0x10f0 [ 48.427944] test_krealloc+0xae/0xbe0 [ 48.428147] kunit_try_run_case+0x1a6/0x480 [ 48.428433] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 48.428787] kthread+0x257/0x310 [ 48.428957] ret_from_fork+0x41/0x80 [ 48.429125] ret_from_fork_asm+0x1a/0x30 [ 48.429469] [ 48.429604] freed by task 334 on cpu 1 at 48.422975s (0.006624s ago): [ 48.430068] krealloc_noprof+0x83/0x140 [ 48.430423] test_krealloc+0x227/0xbe0 [ 48.430639] kunit_try_run_case+0x1a6/0x480 [ 48.430853] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 48.431132] kthread+0x257/0x310 [ 48.431286] ret_from_fork+0x41/0x80 [ 48.431451] ret_from_fork_asm+0x1a/0x30 [ 48.431662] [ 48.431873] CPU: 1 UID: 0 PID: 334 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 48.432663] Tainted: [B]=BAD_PAGE, [N]=TEST [ 48.433090] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 48.433528] ==================================================================