Date
Nov. 27, 2024, 3:37 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 81.826753] ================================================================== [ 81.827551] BUG: KFENCE: use-after-free read in test_krealloc+0x51c/0x830 [ 81.827551] [ 81.828524] Use-after-free read at 0x000000000df2877e (in kfence-#222): [ 81.829760] test_krealloc+0x51c/0x830 [ 81.830317] test_krealloc+0x458/0x830 [ 81.830876] kunit_try_run_case+0x14c/0x3d0 [ 81.831517] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 81.832197] kthread+0x24c/0x2d0 [ 81.832711] ret_from_fork+0x10/0x20 [ 81.833326] [ 81.833695] kfence-#222: 0x000000000df2877e-0x0000000040be0bb2, size=32, cache=kmalloc-32 [ 81.833695] [ 81.834868] allocated by task 326 on cpu 1 at 81.825695s (0.009164s ago): [ 81.835761] test_alloc+0x298/0x620 [ 81.836279] test_krealloc+0xc0/0x830 [ 81.836991] kunit_try_run_case+0x14c/0x3d0 [ 81.837630] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 81.838426] kthread+0x24c/0x2d0 [ 81.838892] ret_from_fork+0x10/0x20 [ 81.839526] [ 81.839886] freed by task 326 on cpu 1 at 81.826086s (0.013789s ago): [ 81.840697] krealloc_noprof+0x148/0x360 [ 81.841381] test_krealloc+0x1dc/0x830 [ 81.841996] kunit_try_run_case+0x14c/0x3d0 [ 81.842547] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 81.843263] kthread+0x24c/0x2d0 [ 81.843735] ret_from_fork+0x10/0x20 [ 81.844313] [ 81.844670] CPU: 1 UID: 0 PID: 326 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241127 #1 [ 81.845874] Tainted: [B]=BAD_PAGE, [N]=TEST [ 81.846521] Hardware name: linux,dummy-virt (DT) [ 81.847121] ==================================================================
[ 63.846352] ================================================================== [ 63.847028] BUG: KFENCE: use-after-free read in test_krealloc+0x6fd/0xbe0 [ 63.847028] [ 63.847605] Use-after-free read at 0x(____ptrval____) (in kfence-#153): [ 63.848476] test_krealloc+0x6fd/0xbe0 [ 63.849135] kunit_try_run_case+0x1b3/0x490 [ 63.849789] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 63.850742] kthread+0x257/0x310 [ 63.851247] ret_from_fork+0x41/0x80 [ 63.851625] ret_from_fork_asm+0x1a/0x30 [ 63.852103] [ 63.852340] kfence-#153: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 63.852340] [ 63.853109] allocated by task 345 on cpu 0 at 63.845277s (0.007827s ago): [ 63.853671] test_alloc+0x35f/0x10d0 [ 63.854185] test_krealloc+0xae/0xbe0 [ 63.854554] kunit_try_run_case+0x1b3/0x490 [ 63.854987] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 63.855515] kthread+0x257/0x310 [ 63.855847] ret_from_fork+0x41/0x80 [ 63.856302] ret_from_fork_asm+0x1a/0x30 [ 63.856804] [ 63.857064] freed by task 345 on cpu 0 at 63.845618s (0.011442s ago): [ 63.857580] krealloc_noprof+0x108/0x340 [ 63.858142] test_krealloc+0x227/0xbe0 [ 63.858471] kunit_try_run_case+0x1b3/0x490 [ 63.858947] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 63.859551] kthread+0x257/0x310 [ 63.859905] ret_from_fork+0x41/0x80 [ 63.860405] ret_from_fork_asm+0x1a/0x30 [ 63.860697] [ 63.860904] CPU: 0 UID: 0 PID: 345 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241127 #1 [ 63.861862] Tainted: [B]=BAD_PAGE, [N]=TEST [ 63.862385] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 63.863149] ==================================================================