Date
May 12, 2025, 11:48 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 49.847447] ================================================================== [ 49.847515] BUG: KFENCE: use-after-free read in test_krealloc+0x51c/0x830 [ 49.847515] [ 49.847609] Use-after-free read at 0x00000000a2f1349e (in kfence-#171): [ 49.847663] test_krealloc+0x51c/0x830 [ 49.847708] kunit_try_run_case+0x170/0x3f0 [ 49.847752] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 49.847794] kthread+0x328/0x630 [ 49.847835] ret_from_fork+0x10/0x20 [ 49.847875] [ 49.847899] kfence-#171: 0x00000000a2f1349e-0x000000004ed040c9, size=32, cache=kmalloc-32 [ 49.847899] [ 49.847953] allocated by task 337 on cpu 1 at 49.846600s (0.001349s ago): [ 49.848022] test_alloc+0x29c/0x628 [ 49.848075] test_krealloc+0xc0/0x830 [ 49.848113] kunit_try_run_case+0x170/0x3f0 [ 49.848151] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 49.848193] kthread+0x328/0x630 [ 49.848231] ret_from_fork+0x10/0x20 [ 49.848268] [ 49.848292] freed by task 337 on cpu 1 at 49.846987s (0.001300s ago): [ 49.848351] krealloc_noprof+0x148/0x360 [ 49.848390] test_krealloc+0x1dc/0x830 [ 49.848427] kunit_try_run_case+0x170/0x3f0 [ 49.848463] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 49.848504] kthread+0x328/0x630 [ 49.848539] ret_from_fork+0x10/0x20 [ 49.848577] [ 49.848623] CPU: 1 UID: 0 PID: 337 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250512 #1 PREEMPT [ 49.848704] Tainted: [B]=BAD_PAGE, [N]=TEST [ 49.848735] Hardware name: linux,dummy-virt (DT) [ 49.848770] ==================================================================
[ 54.610832] ================================================================== [ 54.611371] BUG: KFENCE: use-after-free read in test_krealloc+0x6fc/0xbe0 [ 54.611371] [ 54.612041] Use-after-free read at 0x(____ptrval____) (in kfence-#167): [ 54.612731] test_krealloc+0x6fc/0xbe0 [ 54.613134] kunit_try_run_case+0x1a5/0x480 [ 54.613554] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 54.614093] kthread+0x337/0x6f0 [ 54.614458] ret_from_fork+0x116/0x1d0 [ 54.614812] ret_from_fork_asm+0x1a/0x30 [ 54.615087] [ 54.615346] kfence-#167: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 54.615346] [ 54.616048] allocated by task 354 on cpu 1 at 54.609800s (0.006242s ago): [ 54.616469] test_alloc+0x364/0x10f0 [ 54.616970] test_krealloc+0xad/0xbe0 [ 54.617268] kunit_try_run_case+0x1a5/0x480 [ 54.617609] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 54.618037] kthread+0x337/0x6f0 [ 54.618221] ret_from_fork+0x116/0x1d0 [ 54.618711] ret_from_fork_asm+0x1a/0x30 [ 54.619085] [ 54.619738] freed by task 354 on cpu 1 at 54.610347s (0.009384s ago): [ 54.620340] krealloc_noprof+0x108/0x340 [ 54.620751] test_krealloc+0x226/0xbe0 [ 54.621019] kunit_try_run_case+0x1a5/0x480 [ 54.621348] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 54.621869] kthread+0x337/0x6f0 [ 54.622160] ret_from_fork+0x116/0x1d0 [ 54.622385] ret_from_fork_asm+0x1a/0x30 [ 54.622705] [ 54.623032] CPU: 1 UID: 0 PID: 354 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250512 #1 PREEMPT(voluntary) [ 54.623744] Tainted: [B]=BAD_PAGE, [N]=TEST [ 54.623994] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 54.624394] ==================================================================