Date
July 16, 2025, 3:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 50.624793] ================================================================== [ 50.624883] BUG: KFENCE: use-after-free read in test_krealloc+0x51c/0x830 [ 50.624883] [ 50.624987] Use-after-free read at 0x00000000b2254015 (in kfence-#155): [ 50.625043] test_krealloc+0x51c/0x830 [ 50.625089] kunit_try_run_case+0x170/0x3f0 [ 50.625134] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 50.625179] kthread+0x328/0x630 [ 50.625220] ret_from_fork+0x10/0x20 [ 50.625260] [ 50.625283] kfence-#155: 0x00000000b2254015-0x00000000e6133d11, size=32, cache=kmalloc-32 [ 50.625283] [ 50.625338] allocated by task 337 on cpu 0 at 50.624100s (0.001234s ago): [ 50.625409] test_alloc+0x29c/0x628 [ 50.625448] test_krealloc+0xc0/0x830 [ 50.625487] kunit_try_run_case+0x170/0x3f0 [ 50.625528] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 50.625571] kthread+0x328/0x630 [ 50.625607] ret_from_fork+0x10/0x20 [ 50.625646] [ 50.625671] freed by task 337 on cpu 0 at 50.624346s (0.001320s ago): [ 50.625742] krealloc_noprof+0x148/0x360 [ 50.625783] test_krealloc+0x1dc/0x830 [ 50.625822] kunit_try_run_case+0x170/0x3f0 [ 50.625861] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 50.625905] kthread+0x328/0x630 [ 50.625941] ret_from_fork+0x10/0x20 [ 50.625979] [ 50.626029] CPU: 0 UID: 0 PID: 337 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 50.626111] Tainted: [B]=BAD_PAGE, [N]=TEST [ 50.626142] Hardware name: linux,dummy-virt (DT) [ 50.626177] ==================================================================
[ 49.828989] ================================================================== [ 49.829402] BUG: KFENCE: use-after-free read in test_krealloc+0x6fc/0xbe0 [ 49.829402] [ 49.829892] Use-after-free read at 0x(____ptrval____) (in kfence-#143): [ 49.830140] test_krealloc+0x6fc/0xbe0 [ 49.830328] kunit_try_run_case+0x1a5/0x480 [ 49.830567] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 49.830811] kthread+0x337/0x6f0 [ 49.830948] ret_from_fork+0x116/0x1d0 [ 49.831143] ret_from_fork_asm+0x1a/0x30 [ 49.831324] [ 49.831399] kfence-#143: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 49.831399] [ 49.831907] allocated by task 354 on cpu 1 at 49.828296s (0.003609s ago): [ 49.832215] test_alloc+0x364/0x10f0 [ 49.832382] test_krealloc+0xad/0xbe0 [ 49.832610] kunit_try_run_case+0x1a5/0x480 [ 49.832906] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 49.833093] kthread+0x337/0x6f0 [ 49.833247] ret_from_fork+0x116/0x1d0 [ 49.833440] ret_from_fork_asm+0x1a/0x30 [ 49.833729] [ 49.833819] freed by task 354 on cpu 1 at 49.828578s (0.005239s ago): [ 49.834096] krealloc_noprof+0x108/0x340 [ 49.834260] test_krealloc+0x226/0xbe0 [ 49.834451] kunit_try_run_case+0x1a5/0x480 [ 49.834648] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 49.834893] kthread+0x337/0x6f0 [ 49.835062] ret_from_fork+0x116/0x1d0 [ 49.835222] ret_from_fork_asm+0x1a/0x30 [ 49.835429] [ 49.835529] CPU: 1 UID: 0 PID: 354 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 49.835955] Tainted: [B]=BAD_PAGE, [N]=TEST [ 49.836159] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 49.836538] ==================================================================