Date
July 9, 2025, 1:08 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 63.944667] ================================================================== [ 63.944731] BUG: KFENCE: use-after-free read in test_krealloc+0x51c/0x830 [ 63.944731] [ 63.944815] Use-after-free read at 0x00000000df1318f7 (in kfence-#198): [ 63.944868] test_krealloc+0x51c/0x830 [ 63.944913] kunit_try_run_case+0x170/0x3f0 [ 63.944961] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 63.945006] kthread+0x328/0x630 [ 63.945046] ret_from_fork+0x10/0x20 [ 63.945106] [ 63.945131] kfence-#198: 0x00000000df1318f7-0x0000000090a37180, size=32, cache=kmalloc-32 [ 63.945131] [ 63.945185] allocated by task 369 on cpu 1 at 63.944012s (0.001169s ago): [ 63.945254] test_alloc+0x29c/0x628 [ 63.945297] test_krealloc+0xc0/0x830 [ 63.945337] kunit_try_run_case+0x170/0x3f0 [ 63.945379] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 63.945424] kthread+0x328/0x630 [ 63.945460] ret_from_fork+0x10/0x20 [ 63.945498] [ 63.945523] freed by task 369 on cpu 1 at 63.944274s (0.001245s ago): [ 63.945586] krealloc_noprof+0x148/0x360 [ 63.945627] test_krealloc+0x1dc/0x830 [ 63.945667] kunit_try_run_case+0x170/0x3f0 [ 63.945709] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 63.945756] kthread+0x328/0x630 [ 63.945792] ret_from_fork+0x10/0x20 [ 63.945829] [ 63.945874] CPU: 1 UID: 0 PID: 369 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250709 #1 PREEMPT [ 63.945953] Tainted: [B]=BAD_PAGE, [N]=TEST [ 63.945985] Hardware name: linux,dummy-virt (DT) [ 63.946021] ==================================================================
[ 61.388869] ================================================================== [ 61.389245] BUG: KFENCE: use-after-free read in test_krealloc+0x6fc/0xbe0 [ 61.389245] [ 61.389613] Use-after-free read at 0x(____ptrval____) (in kfence-#164): [ 61.389845] test_krealloc+0x6fc/0xbe0 [ 61.390056] kunit_try_run_case+0x1a5/0x480 [ 61.390270] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 61.390479] kthread+0x337/0x6f0 [ 61.390648] ret_from_fork+0x116/0x1d0 [ 61.390816] ret_from_fork_asm+0x1a/0x30 [ 61.391018] [ 61.391112] kfence-#164: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 61.391112] [ 61.391459] allocated by task 387 on cpu 0 at 61.388178s (0.003279s ago): [ 61.391694] test_alloc+0x364/0x10f0 [ 61.391935] test_krealloc+0xad/0xbe0 [ 61.392128] kunit_try_run_case+0x1a5/0x480 [ 61.392284] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 61.392453] kthread+0x337/0x6f0 [ 61.392610] ret_from_fork+0x116/0x1d0 [ 61.392858] ret_from_fork_asm+0x1a/0x30 [ 61.393061] [ 61.393157] freed by task 387 on cpu 0 at 61.388475s (0.004680s ago): [ 61.393455] krealloc_noprof+0x108/0x340 [ 61.393628] test_krealloc+0x226/0xbe0 [ 61.393838] kunit_try_run_case+0x1a5/0x480 [ 61.393982] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 61.394152] kthread+0x337/0x6f0 [ 61.394292] ret_from_fork+0x116/0x1d0 [ 61.394471] ret_from_fork_asm+0x1a/0x30 [ 61.394665] [ 61.394791] CPU: 0 UID: 0 PID: 387 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc5-next-20250709 #1 PREEMPT(voluntary) [ 61.395206] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 61.395809] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 61.396800] ==================================================================