Date
March 19, 2025, 10:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 41.062641] ================================================================== [ 41.063194] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 41.063194] [ 41.063588] Use-after-free read at 0x0000000089d90ef1 (in kfence-#155): [ 41.063785] test_use_after_free_read+0x114/0x248 [ 41.064016] kunit_try_run_case+0x14c/0x3d0 [ 41.064271] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 41.064494] kthread+0x318/0x618 [ 41.064674] ret_from_fork+0x10/0x20 [ 41.064881] [ 41.065001] kfence-#155: 0x0000000089d90ef1-0x000000000670ad60, size=32, cache=kmalloc-32 [ 41.065001] [ 41.065254] allocated by task 297 on cpu 0 at 41.059939s (0.005303s ago): [ 41.066040] test_alloc+0x298/0x620 [ 41.066193] test_use_after_free_read+0xd0/0x248 [ 41.066341] kunit_try_run_case+0x14c/0x3d0 [ 41.066506] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 41.066664] kthread+0x318/0x618 [ 41.066865] ret_from_fork+0x10/0x20 [ 41.067015] [ 41.068376] freed by task 297 on cpu 0 at 41.060170s (0.007450s ago): [ 41.068930] test_use_after_free_read+0x1c0/0x248 [ 41.069093] kunit_try_run_case+0x14c/0x3d0 [ 41.069322] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 41.069561] kthread+0x318/0x618 [ 41.069763] ret_from_fork+0x10/0x20 [ 41.069940] [ 41.070106] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.14.0-rc7-next-20250319 #1 PREEMPT [ 41.070357] Tainted: [B]=BAD_PAGE, [N]=TEST [ 41.070457] Hardware name: linux,dummy-virt (DT) [ 41.070562] ================================================================== [ 41.166764] ================================================================== [ 41.166906] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 41.166906] [ 41.167142] Use-after-free read at 0x000000006fd3fbbf (in kfence-#156): [ 41.167294] test_use_after_free_read+0x114/0x248 [ 41.167433] kunit_try_run_case+0x14c/0x3d0 [ 41.167571] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 41.167717] kthread+0x318/0x618 [ 41.167844] ret_from_fork+0x10/0x20 [ 41.167967] [ 41.168041] kfence-#156: 0x000000006fd3fbbf-0x00000000ede2df9e, size=32, cache=test [ 41.168041] [ 41.168230] allocated by task 299 on cpu 0 at 41.166410s (0.001811s ago): [ 41.168471] test_alloc+0x22c/0x620 [ 41.168807] test_use_after_free_read+0xd0/0x248 [ 41.169088] kunit_try_run_case+0x14c/0x3d0 [ 41.169308] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 41.169486] kthread+0x318/0x618 [ 41.169691] ret_from_fork+0x10/0x20 [ 41.169892] [ 41.169981] freed by task 299 on cpu 0 at 41.166507s (0.003462s ago): [ 41.170264] test_use_after_free_read+0xf0/0x248 [ 41.170429] kunit_try_run_case+0x14c/0x3d0 [ 41.170568] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 41.170718] kthread+0x318/0x618 [ 41.170888] ret_from_fork+0x10/0x20 [ 41.171079] [ 41.171188] CPU: 0 UID: 0 PID: 299 Comm: kunit_try_catch Tainted: G B N 6.14.0-rc7-next-20250319 #1 PREEMPT [ 41.171435] Tainted: [B]=BAD_PAGE, [N]=TEST [ 41.171586] Hardware name: linux,dummy-virt (DT) [ 41.171768] ==================================================================
[ 30.160363] ================================================================== [ 30.161087] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 30.161087] [ 30.162170] Use-after-free read at 0x(____ptrval____) (in kfence-#126): [ 30.163210] test_use_after_free_read+0x129/0x270 [ 30.164200] kunit_try_run_case+0x1b2/0x490 [ 30.164603] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 30.165644] kthread+0x323/0x710 [ 30.166248] ret_from_fork+0x41/0x80 [ 30.166599] ret_from_fork_asm+0x1a/0x30 [ 30.167326] [ 30.167987] kfence-#126: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 30.167987] [ 30.168597] allocated by task 316 on cpu 0 at 30.160064s (0.008529s ago): [ 30.169403] test_alloc+0x35e/0x10d0 [ 30.170244] test_use_after_free_read+0xdc/0x270 [ 30.170673] kunit_try_run_case+0x1b2/0x490 [ 30.171101] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 30.171436] kthread+0x323/0x710 [ 30.171858] ret_from_fork+0x41/0x80 [ 30.172347] ret_from_fork_asm+0x1a/0x30 [ 30.172666] [ 30.173159] freed by task 316 on cpu 0 at 30.160170s (0.012741s ago): [ 30.174018] test_use_after_free_read+0x1e7/0x270 [ 30.174518] kunit_try_run_case+0x1b2/0x490 [ 30.174957] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 30.175351] kthread+0x323/0x710 [ 30.175971] ret_from_fork+0x41/0x80 [ 30.176310] ret_from_fork_asm+0x1a/0x30 [ 30.176625] [ 30.176926] CPU: 0 UID: 0 PID: 316 Comm: kunit_try_catch Tainted: G B N 6.14.0-rc7-next-20250319 #1 PREEMPT(voluntary) [ 30.178598] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.178961] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 30.180529] ================================================================== [ 30.264293] ================================================================== [ 30.265007] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 30.265007] [ 30.265695] Use-after-free read at 0x(____ptrval____) (in kfence-#127): [ 30.266382] test_use_after_free_read+0x129/0x270 [ 30.267021] kunit_try_run_case+0x1b2/0x490 [ 30.268286] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 30.268986] kthread+0x323/0x710 [ 30.269543] ret_from_fork+0x41/0x80 [ 30.270191] ret_from_fork_asm+0x1a/0x30 [ 30.270836] [ 30.271023] kfence-#127: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 30.271023] [ 30.272010] allocated by task 318 on cpu 1 at 30.264093s (0.007911s ago): [ 30.273207] test_alloc+0x2a6/0x10d0 [ 30.273797] test_use_after_free_read+0xdc/0x270 [ 30.274839] kunit_try_run_case+0x1b2/0x490 [ 30.275273] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 30.276220] kthread+0x323/0x710 [ 30.276769] ret_from_fork+0x41/0x80 [ 30.277364] ret_from_fork_asm+0x1a/0x30 [ 30.278294] [ 30.278441] freed by task 318 on cpu 1 at 30.264183s (0.014254s ago): [ 30.278929] test_use_after_free_read+0xfb/0x270 [ 30.279437] kunit_try_run_case+0x1b2/0x490 [ 30.280535] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 30.281373] kthread+0x323/0x710 [ 30.281684] ret_from_fork+0x41/0x80 [ 30.282220] ret_from_fork_asm+0x1a/0x30 [ 30.282636] [ 30.283544] CPU: 1 UID: 0 PID: 318 Comm: kunit_try_catch Tainted: G B N 6.14.0-rc7-next-20250319 #1 PREEMPT(voluntary) [ 30.284747] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.285086] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 30.285752] ==================================================================