Date
July 8, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 53.296529] ================================================================== [ 53.296603] BUG: KFENCE: use-after-free read in test_krealloc+0x51c/0x830 [ 53.296603] [ 53.296681] Use-after-free read at 0x0000000012e1d9f1 (in kfence-#153): [ 53.296732] test_krealloc+0x51c/0x830 [ 53.296776] kunit_try_run_case+0x170/0x3f0 [ 53.296820] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 53.296865] kthread+0x328/0x630 [ 53.296905] ret_from_fork+0x10/0x20 [ 53.296945] [ 53.296969] kfence-#153: 0x0000000012e1d9f1-0x00000000567a45a8, size=32, cache=kmalloc-32 [ 53.296969] [ 53.297025] allocated by task 337 on cpu 1 at 53.295905s (0.001116s ago): [ 53.297090] test_alloc+0x29c/0x628 [ 53.297131] test_krealloc+0xc0/0x830 [ 53.297186] kunit_try_run_case+0x170/0x3f0 [ 53.297226] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 53.297270] kthread+0x328/0x630 [ 53.297305] ret_from_fork+0x10/0x20 [ 53.297344] [ 53.297366] freed by task 337 on cpu 1 at 53.296122s (0.001241s ago): [ 53.297428] krealloc_noprof+0x148/0x360 [ 53.297468] test_krealloc+0x1dc/0x830 [ 53.297508] kunit_try_run_case+0x170/0x3f0 [ 53.297548] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 53.297593] kthread+0x328/0x630 [ 53.297628] ret_from_fork+0x10/0x20 [ 53.297667] [ 53.297708] CPU: 1 UID: 0 PID: 337 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 53.297783] Tainted: [B]=BAD_PAGE, [N]=TEST [ 53.297812] Hardware name: linux,dummy-virt (DT) [ 53.297848] ==================================================================
[ 49.202096] ================================================================== [ 49.202565] BUG: KFENCE: use-after-free read in test_krealloc+0x6fc/0xbe0 [ 49.202565] [ 49.202937] Use-after-free read at 0x(____ptrval____) (in kfence-#129): [ 49.203309] test_krealloc+0x6fc/0xbe0 [ 49.203457] kunit_try_run_case+0x1a5/0x480 [ 49.203807] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 49.204071] kthread+0x337/0x6f0 [ 49.204227] ret_from_fork+0x116/0x1d0 [ 49.204400] ret_from_fork_asm+0x1a/0x30 [ 49.204543] [ 49.204616] kfence-#129: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 49.204616] [ 49.205678] allocated by task 355 on cpu 1 at 49.201328s (0.004346s ago): [ 49.206249] test_alloc+0x364/0x10f0 [ 49.206434] test_krealloc+0xad/0xbe0 [ 49.206816] kunit_try_run_case+0x1a5/0x480 [ 49.207228] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 49.207500] kthread+0x337/0x6f0 [ 49.207775] ret_from_fork+0x116/0x1d0 [ 49.207963] ret_from_fork_asm+0x1a/0x30 [ 49.208153] [ 49.208238] freed by task 355 on cpu 1 at 49.201572s (0.006664s ago): [ 49.208782] krealloc_noprof+0x108/0x340 [ 49.209073] test_krealloc+0x226/0xbe0 [ 49.209253] kunit_try_run_case+0x1a5/0x480 [ 49.209439] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 49.209736] kthread+0x337/0x6f0 [ 49.210231] ret_from_fork+0x116/0x1d0 [ 49.210429] ret_from_fork_asm+0x1a/0x30 [ 49.210674] [ 49.210794] CPU: 1 UID: 0 PID: 355 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 49.211252] Tainted: [B]=BAD_PAGE, [N]=TEST [ 49.211439] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 49.212094] ==================================================================