Date
July 9, 2025, 2:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 50.822589] ================================================================== [ 50.822648] BUG: KFENCE: use-after-free read in test_krealloc+0x51c/0x830 [ 50.822648] [ 50.822736] Use-after-free read at 0x0000000022fb041e (in kfence-#152): [ 50.822788] test_krealloc+0x51c/0x830 [ 50.822833] kunit_try_run_case+0x170/0x3f0 [ 50.822878] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 50.822926] kthread+0x328/0x630 [ 50.822966] ret_from_fork+0x10/0x20 [ 50.823008] [ 50.823032] kfence-#152: 0x0000000022fb041e-0x00000000316fbe94, size=32, cache=kmalloc-32 [ 50.823032] [ 50.823104] allocated by task 337 on cpu 0 at 50.821986s (0.001114s ago): [ 50.823174] test_alloc+0x29c/0x628 [ 50.823214] test_krealloc+0xc0/0x830 [ 50.823254] kunit_try_run_case+0x170/0x3f0 [ 50.823294] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 50.823336] kthread+0x328/0x630 [ 50.823373] ret_from_fork+0x10/0x20 [ 50.823411] [ 50.823433] freed by task 337 on cpu 0 at 50.822203s (0.001226s ago): [ 50.823495] krealloc_noprof+0x148/0x360 [ 50.823536] test_krealloc+0x1dc/0x830 [ 50.823575] kunit_try_run_case+0x170/0x3f0 [ 50.823614] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 50.823657] kthread+0x328/0x630 [ 50.823691] ret_from_fork+0x10/0x20 [ 50.823731] [ 50.823778] CPU: 0 UID: 0 PID: 337 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc5 #1 PREEMPT [ 50.823865] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 50.823896] Hardware name: linux,dummy-virt (DT) [ 50.823931] ==================================================================
[ 48.232112] ================================================================== [ 48.232511] BUG: KFENCE: use-after-free read in test_krealloc+0x6fc/0xbe0 [ 48.232511] [ 48.232868] Use-after-free read at 0x(____ptrval____) (in kfence-#125): [ 48.233162] test_krealloc+0x6fc/0xbe0 [ 48.233305] kunit_try_run_case+0x1a5/0x480 [ 48.233546] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 48.233863] kthread+0x337/0x6f0 [ 48.234026] ret_from_fork+0x116/0x1d0 [ 48.234229] ret_from_fork_asm+0x1a/0x30 [ 48.234387] [ 48.234463] kfence-#125: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 48.234463] [ 48.234870] allocated by task 354 on cpu 0 at 48.231217s (0.003651s ago): [ 48.235230] test_alloc+0x364/0x10f0 [ 48.235405] test_krealloc+0xad/0xbe0 [ 48.235536] kunit_try_run_case+0x1a5/0x480 [ 48.235735] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 48.236278] kthread+0x337/0x6f0 [ 48.236457] ret_from_fork+0x116/0x1d0 [ 48.236621] ret_from_fork_asm+0x1a/0x30 [ 48.236762] [ 48.236834] freed by task 354 on cpu 0 at 48.231651s (0.005181s ago): [ 48.237137] krealloc_noprof+0x108/0x340 [ 48.237360] test_krealloc+0x226/0xbe0 [ 48.237805] kunit_try_run_case+0x1a5/0x480 [ 48.237993] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 48.238210] kthread+0x337/0x6f0 [ 48.238369] ret_from_fork+0x116/0x1d0 [ 48.238539] ret_from_fork_asm+0x1a/0x30 [ 48.238738] [ 48.239403] CPU: 0 UID: 0 PID: 354 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 48.240195] Tainted: [B]=BAD_PAGE, [N]=TEST [ 48.240521] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 48.241131] ==================================================================