Date
June 18, 2025, 6:43 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 26.445336] ================================================================== [ 26.445631] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 26.445631] [ 26.445906] Use-after-free read at 0x00000000c0889b1e (in kfence-#118): [ 26.446111] test_use_after_free_read+0x114/0x248 [ 26.446231] kunit_try_run_case+0x170/0x3f0 [ 26.446511] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.447059] kthread+0x328/0x630 [ 26.447186] ret_from_fork+0x10/0x20 [ 26.447277] [ 26.447337] kfence-#118: 0x00000000c0889b1e-0x00000000c38675c2, size=32, cache=kmalloc-32 [ 26.447337] [ 26.447523] allocated by task 305 on cpu 0 at 26.444078s (0.003422s ago): [ 26.447778] test_alloc+0x29c/0x628 [ 26.448087] test_use_after_free_read+0xd0/0x248 [ 26.448655] kunit_try_run_case+0x170/0x3f0 [ 26.449122] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.449350] kthread+0x328/0x630 [ 26.449552] ret_from_fork+0x10/0x20 [ 26.449972] [ 26.450472] freed by task 305 on cpu 0 at 26.444202s (0.005953s ago): [ 26.450778] test_use_after_free_read+0x1c0/0x248 [ 26.450929] kunit_try_run_case+0x170/0x3f0 [ 26.451056] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.451142] kthread+0x328/0x630 [ 26.451258] ret_from_fork+0x10/0x20 [ 26.451414] [ 26.451569] CPU: 0 UID: 0 PID: 305 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc2-next-20250618 #1 PREEMPT [ 26.451778] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 26.451861] Hardware name: linux,dummy-virt (DT) [ 26.451978] ================================================================== [ 26.547141] ================================================================== [ 26.547294] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 26.547294] [ 26.547401] Use-after-free read at 0x00000000460ab3d8 (in kfence-#119): [ 26.547460] test_use_after_free_read+0x114/0x248 [ 26.547511] kunit_try_run_case+0x170/0x3f0 [ 26.547555] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.547599] kthread+0x328/0x630 [ 26.547635] ret_from_fork+0x10/0x20 [ 26.547674] [ 26.547701] kfence-#119: 0x00000000460ab3d8-0x000000005d08bfd4, size=32, cache=test [ 26.547701] [ 26.547756] allocated by task 307 on cpu 0 at 26.546819s (0.000933s ago): [ 26.547830] test_alloc+0x230/0x628 [ 26.547872] test_use_after_free_read+0xd0/0x248 [ 26.547915] kunit_try_run_case+0x170/0x3f0 [ 26.547954] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.547998] kthread+0x328/0x630 [ 26.548060] ret_from_fork+0x10/0x20 [ 26.548101] [ 26.548127] freed by task 307 on cpu 0 at 26.546926s (0.001197s ago): [ 26.548241] test_use_after_free_read+0xf0/0x248 [ 26.548289] kunit_try_run_case+0x170/0x3f0 [ 26.548330] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.548376] kthread+0x328/0x630 [ 26.548416] ret_from_fork+0x10/0x20 [ 26.548459] [ 26.548510] CPU: 0 UID: 0 PID: 307 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc2-next-20250618 #1 PREEMPT [ 26.548620] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 26.548659] Hardware name: linux,dummy-virt (DT) [ 26.548694] ==================================================================
[ 16.129906] ================================================================== [ 16.130374] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 16.130374] [ 16.130855] Use-after-free read at 0x(____ptrval____) (in kfence-#70): [ 16.131088] test_use_after_free_read+0x129/0x270 [ 16.131326] kunit_try_run_case+0x1a5/0x480 [ 16.131582] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.131797] kthread+0x337/0x6f0 [ 16.131940] ret_from_fork+0x116/0x1d0 [ 16.132115] ret_from_fork_asm+0x1a/0x30 [ 16.132389] [ 16.132484] kfence-#70: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 16.132484] [ 16.132792] allocated by task 323 on cpu 1 at 16.129744s (0.003046s ago): [ 16.133106] test_alloc+0x2a6/0x10f0 [ 16.133294] test_use_after_free_read+0xdc/0x270 [ 16.133510] kunit_try_run_case+0x1a5/0x480 [ 16.133744] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.133979] kthread+0x337/0x6f0 [ 16.134362] ret_from_fork+0x116/0x1d0 [ 16.134511] ret_from_fork_asm+0x1a/0x30 [ 16.134641] [ 16.134721] freed by task 323 on cpu 1 at 16.129795s (0.004924s ago): [ 16.134985] test_use_after_free_read+0xfb/0x270 [ 16.135595] kunit_try_run_case+0x1a5/0x480 [ 16.135870] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.136408] kthread+0x337/0x6f0 [ 16.136637] ret_from_fork+0x116/0x1d0 [ 16.136926] ret_from_fork_asm+0x1a/0x30 [ 16.137228] [ 16.137349] CPU: 1 UID: 0 PID: 323 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250618 #1 PREEMPT(voluntary) [ 16.137790] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.137968] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.138525] ================================================================== [ 16.025979] ================================================================== [ 16.026447] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 16.026447] [ 16.026926] Use-after-free read at 0x(____ptrval____) (in kfence-#69): [ 16.027190] test_use_after_free_read+0x129/0x270 [ 16.027420] kunit_try_run_case+0x1a5/0x480 [ 16.027625] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.027940] kthread+0x337/0x6f0 [ 16.028225] ret_from_fork+0x116/0x1d0 [ 16.028372] ret_from_fork_asm+0x1a/0x30 [ 16.028566] [ 16.028661] kfence-#69: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 16.028661] [ 16.029061] allocated by task 321 on cpu 0 at 16.025769s (0.003290s ago): [ 16.029549] test_alloc+0x364/0x10f0 [ 16.029730] test_use_after_free_read+0xdc/0x270 [ 16.029960] kunit_try_run_case+0x1a5/0x480 [ 16.030176] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.030382] kthread+0x337/0x6f0 [ 16.030495] ret_from_fork+0x116/0x1d0 [ 16.030618] ret_from_fork_asm+0x1a/0x30 [ 16.030824] [ 16.031038] freed by task 321 on cpu 0 at 16.025823s (0.005128s ago): [ 16.031457] test_use_after_free_read+0x1e7/0x270 [ 16.031637] kunit_try_run_case+0x1a5/0x480 [ 16.031773] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.031935] kthread+0x337/0x6f0 [ 16.032046] ret_from_fork+0x116/0x1d0 [ 16.032168] ret_from_fork_asm+0x1a/0x30 [ 16.032406] [ 16.032526] CPU: 0 UID: 0 PID: 321 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250618 #1 PREEMPT(voluntary) [ 16.033350] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.033479] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.033861] ==================================================================