Date
July 1, 2025, 11:08 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 52.920702] ================================================================== [ 52.920795] BUG: KFENCE: use-after-free read in test_krealloc+0x51c/0x830 [ 52.920795] [ 52.920896] Use-after-free read at 0x000000004947fa2f (in kfence-#164): [ 52.920953] test_krealloc+0x51c/0x830 [ 52.920999] kunit_try_run_case+0x170/0x3f0 [ 52.921047] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 52.921094] kthread+0x328/0x630 [ 52.921148] ret_from_fork+0x10/0x20 [ 52.921189] [ 52.921215] kfence-#164: 0x000000004947fa2f-0x0000000080ec4d09, size=32, cache=kmalloc-32 [ 52.921215] [ 52.921273] allocated by task 338 on cpu 1 at 52.920011s (0.001258s ago): [ 52.921361] test_alloc+0x29c/0x628 [ 52.921403] test_krealloc+0xc0/0x830 [ 52.921442] kunit_try_run_case+0x170/0x3f0 [ 52.921483] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 52.921528] kthread+0x328/0x630 [ 52.921565] ret_from_fork+0x10/0x20 [ 52.921606] [ 52.921629] freed by task 338 on cpu 1 at 52.920290s (0.001336s ago): [ 52.921693] krealloc_noprof+0x148/0x360 [ 52.921734] test_krealloc+0x1dc/0x830 [ 52.921774] kunit_try_run_case+0x170/0x3f0 [ 52.921815] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 52.921860] kthread+0x328/0x630 [ 52.921897] ret_from_fork+0x10/0x20 [ 52.921937] [ 52.921987] CPU: 1 UID: 0 PID: 338 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 52.922071] Tainted: [B]=BAD_PAGE, [N]=TEST [ 52.922101] Hardware name: linux,dummy-virt (DT) [ 52.922151] ==================================================================
[ 48.961921] ================================================================== [ 48.962343] BUG: KFENCE: use-after-free read in test_krealloc+0x6fc/0xbe0 [ 48.962343] [ 48.962765] Use-after-free read at 0x(____ptrval____) (in kfence-#141): [ 48.963019] test_krealloc+0x6fc/0xbe0 [ 48.963227] kunit_try_run_case+0x1a5/0x480 [ 48.963441] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 48.963678] kthread+0x337/0x6f0 [ 48.963808] ret_from_fork+0x116/0x1d0 [ 48.963945] ret_from_fork_asm+0x1a/0x30 [ 48.964147] [ 48.964250] kfence-#141: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 48.964250] [ 48.964701] allocated by task 354 on cpu 1 at 48.961294s (0.003405s ago): [ 48.965056] test_alloc+0x364/0x10f0 [ 48.965224] test_krealloc+0xad/0xbe0 [ 48.965393] kunit_try_run_case+0x1a5/0x480 [ 48.965555] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 48.965794] kthread+0x337/0x6f0 [ 48.965966] ret_from_fork+0x116/0x1d0 [ 48.966153] ret_from_fork_asm+0x1a/0x30 [ 48.966328] [ 48.966442] freed by task 354 on cpu 1 at 48.961550s (0.004889s ago): [ 48.966746] krealloc_noprof+0x108/0x340 [ 48.966896] test_krealloc+0x226/0xbe0 [ 48.967029] kunit_try_run_case+0x1a5/0x480 [ 48.967183] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 48.967448] kthread+0x337/0x6f0 [ 48.967614] ret_from_fork+0x116/0x1d0 [ 48.967895] ret_from_fork_asm+0x1a/0x30 [ 48.968090] [ 48.968193] CPU: 1 UID: 0 PID: 354 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 48.968567] Tainted: [B]=BAD_PAGE, [N]=TEST [ 48.968954] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 48.969351] ==================================================================