Date
Nov. 20, 2024, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 70.887181] ================================================================== [ 70.887852] BUG: KFENCE: use-after-free read in test_krealloc+0x51c/0x830 [ 70.887852] [ 70.888573] Use-after-free read at 0x000000003a070cce (in kfence-#246): [ 70.889367] test_krealloc+0x51c/0x830 [ 70.889913] test_krealloc+0x458/0x830 [ 70.890506] kunit_try_run_case+0x14c/0x3d0 [ 70.891140] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 70.891846] kthread+0x24c/0x2d0 [ 70.892320] ret_from_fork+0x10/0x20 [ 70.892910] [ 70.893262] kfence-#246: 0x000000003a070cce-0x00000000a4a80f0a, size=32, cache=kmalloc-32 [ 70.893262] [ 70.894285] allocated by task 326 on cpu 0 at 70.886088s (0.008186s ago): [ 70.895034] test_alloc+0x298/0x620 [ 70.895566] test_krealloc+0xc0/0x830 [ 70.896038] kunit_try_run_case+0x14c/0x3d0 [ 70.896669] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 70.897389] kthread+0x24c/0x2d0 [ 70.897849] ret_from_fork+0x10/0x20 [ 70.898404] [ 70.898772] freed by task 326 on cpu 0 at 70.886550s (0.012210s ago): [ 70.899587] krealloc_noprof+0x148/0x360 [ 70.900166] test_krealloc+0x1dc/0x830 [ 70.900698] kunit_try_run_case+0x14c/0x3d0 [ 70.901303] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 70.901971] kthread+0x24c/0x2d0 [ 70.902503] ret_from_fork+0x10/0x20 [ 70.903004] [ 70.903359] CPU: 0 UID: 0 PID: 326 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241120 #1 [ 70.904317] Tainted: [B]=BAD_PAGE, [N]=TEST [ 70.904889] Hardware name: linux,dummy-virt (DT) [ 70.905345] ==================================================================
[ 68.057606] ================================================================== [ 68.058274] BUG: KFENCE: use-after-free read in test_krealloc+0x6fd/0xbe0 [ 68.058274] [ 68.059055] Use-after-free read at 0x(____ptrval____) (in kfence-#172): [ 68.059448] test_krealloc+0x6fd/0xbe0 [ 68.059978] kunit_try_run_case+0x1b3/0x490 [ 68.060445] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 68.061067] kthread+0x257/0x310 [ 68.061335] ret_from_fork+0x41/0x80 [ 68.061612] ret_from_fork_asm+0x1a/0x30 [ 68.062294] [ 68.062548] kfence-#172: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 68.062548] [ 68.063707] allocated by task 344 on cpu 1 at 68.056529s (0.007174s ago): [ 68.064279] test_alloc+0x35f/0x10d0 [ 68.064588] test_krealloc+0xae/0xbe0 [ 68.065184] kunit_try_run_case+0x1b3/0x490 [ 68.065817] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 68.066255] kthread+0x257/0x310 [ 68.066904] ret_from_fork+0x41/0x80 [ 68.067477] ret_from_fork_asm+0x1a/0x30 [ 68.067881] [ 68.068235] freed by task 344 on cpu 1 at 68.056932s (0.011299s ago): [ 68.069044] krealloc_noprof+0x108/0x340 [ 68.069644] test_krealloc+0x227/0xbe0 [ 68.070205] kunit_try_run_case+0x1b3/0x490 [ 68.070789] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 68.071344] kthread+0x257/0x310 [ 68.071875] ret_from_fork+0x41/0x80 [ 68.072283] ret_from_fork_asm+0x1a/0x30 [ 68.072802] [ 68.073086] CPU: 1 UID: 0 PID: 344 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241120 #1 [ 68.074193] Tainted: [B]=BAD_PAGE, [N]=TEST [ 68.074818] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 68.075551] ==================================================================