Date
July 1, 2025, 12:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 51.483975] ================================================================== [ 51.484035] BUG: KFENCE: use-after-free read in test_krealloc+0x51c/0x830 [ 51.484035] [ 51.484112] Use-after-free read at 0x00000000c0597d49 (in kfence-#164): [ 51.484164] test_krealloc+0x51c/0x830 [ 51.484209] kunit_try_run_case+0x170/0x3f0 [ 51.484251] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 51.484296] kthread+0x328/0x630 [ 51.484334] ret_from_fork+0x10/0x20 [ 51.484374] [ 51.484397] kfence-#164: 0x00000000c0597d49-0x00000000a1a639ed, size=32, cache=kmalloc-32 [ 51.484397] [ 51.484465] allocated by task 337 on cpu 1 at 51.483342s (0.001119s ago): [ 51.484533] test_alloc+0x29c/0x628 [ 51.484576] test_krealloc+0xc0/0x830 [ 51.484614] kunit_try_run_case+0x170/0x3f0 [ 51.484654] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 51.484699] kthread+0x328/0x630 [ 51.484735] ret_from_fork+0x10/0x20 [ 51.484773] [ 51.484796] freed by task 337 on cpu 1 at 51.483566s (0.001227s ago): [ 51.484856] krealloc_noprof+0x148/0x360 [ 51.484897] test_krealloc+0x1dc/0x830 [ 51.484937] kunit_try_run_case+0x170/0x3f0 [ 51.484978] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 51.485023] kthread+0x328/0x630 [ 51.485061] ret_from_fork+0x10/0x20 [ 51.485101] [ 51.485143] CPU: 1 UID: 0 PID: 337 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 51.485220] Tainted: [B]=BAD_PAGE, [N]=TEST [ 51.485249] Hardware name: linux,dummy-virt (DT) [ 51.485284] ==================================================================
[ 48.546002] ================================================================== [ 48.546400] BUG: KFENCE: use-after-free read in test_krealloc+0x6fc/0xbe0 [ 48.546400] [ 48.546809] Use-after-free read at 0x(____ptrval____) (in kfence-#136): [ 48.547063] test_krealloc+0x6fc/0xbe0 [ 48.547236] kunit_try_run_case+0x1a5/0x480 [ 48.547477] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 48.547661] kthread+0x337/0x6f0 [ 48.547851] ret_from_fork+0x116/0x1d0 [ 48.548036] ret_from_fork_asm+0x1a/0x30 [ 48.548182] [ 48.548272] kfence-#136: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 48.548272] [ 48.548824] allocated by task 354 on cpu 1 at 48.545368s (0.003454s ago): [ 48.549051] test_alloc+0x364/0x10f0 [ 48.549237] test_krealloc+0xad/0xbe0 [ 48.549428] kunit_try_run_case+0x1a5/0x480 [ 48.549611] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 48.549836] kthread+0x337/0x6f0 [ 48.549959] ret_from_fork+0x116/0x1d0 [ 48.550147] ret_from_fork_asm+0x1a/0x30 [ 48.550362] [ 48.550455] freed by task 354 on cpu 1 at 48.545636s (0.004817s ago): [ 48.550735] krealloc_noprof+0x108/0x340 [ 48.550916] test_krealloc+0x226/0xbe0 [ 48.551092] kunit_try_run_case+0x1a5/0x480 [ 48.551276] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 48.551528] kthread+0x337/0x6f0 [ 48.551702] ret_from_fork+0x116/0x1d0 [ 48.551887] ret_from_fork_asm+0x1a/0x30 [ 48.552067] [ 48.552188] CPU: 1 UID: 0 PID: 354 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 48.552626] Tainted: [B]=BAD_PAGE, [N]=TEST [ 48.552814] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 48.553172] ==================================================================