Date
June 5, 2025, 7:08 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 32.733498] ================================================================== [ 32.733994] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 32.733994] [ 32.734182] Use-after-free read at 0x000000005d6a7440 (in kfence-#131): [ 32.734342] test_use_after_free_read+0x114/0x248 [ 32.734482] kunit_try_run_case+0x170/0x3f0 [ 32.734985] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.735108] kthread+0x328/0x630 [ 32.735204] ret_from_fork+0x10/0x20 [ 32.735300] [ 32.735377] kfence-#131: 0x000000005d6a7440-0x000000007ec29a65, size=32, cache=test [ 32.735377] [ 32.735501] allocated by task 297 on cpu 0 at 32.732831s (0.002662s ago): [ 32.735669] test_alloc+0x230/0x628 [ 32.736139] test_use_after_free_read+0xd0/0x248 [ 32.736520] kunit_try_run_case+0x170/0x3f0 [ 32.736912] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.737054] kthread+0x328/0x630 [ 32.737193] ret_from_fork+0x10/0x20 [ 32.737340] [ 32.737401] freed by task 297 on cpu 0 at 32.733097s (0.004295s ago): [ 32.738106] test_use_after_free_read+0xf0/0x248 [ 32.738270] kunit_try_run_case+0x170/0x3f0 [ 32.738397] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.739235] kthread+0x328/0x630 [ 32.739561] ret_from_fork+0x10/0x20 [ 32.739862] [ 32.740153] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250605 #1 PREEMPT [ 32.740406] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.740605] Hardware name: linux,dummy-virt (DT) [ 32.740907] ================================================================== [ 32.633190] ================================================================== [ 32.634065] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 32.634065] [ 32.634867] Use-after-free read at 0x00000000fac58b55 (in kfence-#130): [ 32.635780] test_use_after_free_read+0x114/0x248 [ 32.636375] kunit_try_run_case+0x170/0x3f0 [ 32.636563] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.636793] kthread+0x328/0x630 [ 32.636892] ret_from_fork+0x10/0x20 [ 32.638139] [ 32.638248] kfence-#130: 0x00000000fac58b55-0x00000000d57c698d, size=32, cache=kmalloc-32 [ 32.638248] [ 32.638599] allocated by task 295 on cpu 0 at 32.630227s (0.008315s ago): [ 32.639146] test_alloc+0x29c/0x628 [ 32.640102] test_use_after_free_read+0xd0/0x248 [ 32.640608] kunit_try_run_case+0x170/0x3f0 [ 32.640734] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.641760] kthread+0x328/0x630 [ 32.641908] ret_from_fork+0x10/0x20 [ 32.642026] [ 32.642269] freed by task 295 on cpu 0 at 32.630809s (0.011315s ago): [ 32.644400] test_use_after_free_read+0x1c0/0x248 [ 32.644527] kunit_try_run_case+0x170/0x3f0 [ 32.644663] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.644814] kthread+0x328/0x630 [ 32.644912] ret_from_fork+0x10/0x20 [ 32.645266] [ 32.645428] CPU: 0 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250605 #1 PREEMPT [ 32.645984] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.646191] Hardware name: linux,dummy-virt (DT) [ 32.646404] ==================================================================
[ 16.828373] ================================================================== [ 16.828822] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 16.828822] [ 16.829286] Use-after-free read at 0x(____ptrval____) (in kfence-#68): [ 16.829570] test_use_after_free_read+0x129/0x270 [ 16.829946] kunit_try_run_case+0x1a5/0x480 [ 16.830356] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.830718] kthread+0x337/0x6f0 [ 16.830916] ret_from_fork+0x116/0x1d0 [ 16.831213] ret_from_fork_asm+0x1a/0x30 [ 16.831356] [ 16.831428] kfence-#68: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 16.831428] [ 16.831863] allocated by task 314 on cpu 1 at 16.828249s (0.003612s ago): [ 16.832430] test_alloc+0x2a6/0x10f0 [ 16.832579] test_use_after_free_read+0xdc/0x270 [ 16.832935] kunit_try_run_case+0x1a5/0x480 [ 16.833162] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.833417] kthread+0x337/0x6f0 [ 16.833580] ret_from_fork+0x116/0x1d0 [ 16.833840] ret_from_fork_asm+0x1a/0x30 [ 16.833996] [ 16.834093] freed by task 314 on cpu 1 at 16.828302s (0.005790s ago): [ 16.834435] test_use_after_free_read+0xfb/0x270 [ 16.834646] kunit_try_run_case+0x1a5/0x480 [ 16.834866] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.835096] kthread+0x337/0x6f0 [ 16.835286] ret_from_fork+0x116/0x1d0 [ 16.835476] ret_from_fork_asm+0x1a/0x30 [ 16.835682] [ 16.835803] CPU: 1 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250605 #1 PREEMPT(voluntary) [ 16.836258] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.836493] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.836818] ================================================================== [ 16.724410] ================================================================== [ 16.724935] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 16.724935] [ 16.725361] Use-after-free read at 0x(____ptrval____) (in kfence-#67): [ 16.725967] test_use_after_free_read+0x129/0x270 [ 16.726236] kunit_try_run_case+0x1a5/0x480 [ 16.726458] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.727029] kthread+0x337/0x6f0 [ 16.727206] ret_from_fork+0x116/0x1d0 [ 16.727364] ret_from_fork_asm+0x1a/0x30 [ 16.727696] [ 16.727866] kfence-#67: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 16.727866] [ 16.728342] allocated by task 312 on cpu 0 at 16.724204s (0.004136s ago): [ 16.728667] test_alloc+0x364/0x10f0 [ 16.729063] test_use_after_free_read+0xdc/0x270 [ 16.729272] kunit_try_run_case+0x1a5/0x480 [ 16.729461] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.729924] kthread+0x337/0x6f0 [ 16.730108] ret_from_fork+0x116/0x1d0 [ 16.730359] ret_from_fork_asm+0x1a/0x30 [ 16.730519] [ 16.730692] freed by task 312 on cpu 0 at 16.724253s (0.006436s ago): [ 16.731124] test_use_after_free_read+0x1e7/0x270 [ 16.731344] kunit_try_run_case+0x1a5/0x480 [ 16.731531] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.731935] kthread+0x337/0x6f0 [ 16.732179] ret_from_fork+0x116/0x1d0 [ 16.732329] ret_from_fork_asm+0x1a/0x30 [ 16.732664] [ 16.732795] CPU: 0 UID: 0 PID: 312 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250605 #1 PREEMPT(voluntary) [ 16.733428] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.733626] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.734086] ==================================================================