Date
May 12, 2025, 11:48 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.930548] ================================================================== [ 20.930655] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 20.930655] [ 20.930753] Use-after-free read at 0x00000000b968c94d (in kfence-#101): [ 20.930813] test_use_after_free_read+0x114/0x248 [ 20.930868] kunit_try_run_case+0x170/0x3f0 [ 20.930916] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.930965] kthread+0x328/0x630 [ 20.931013] ret_from_fork+0x10/0x20 [ 20.931069] [ 20.931097] kfence-#101: 0x00000000b968c94d-0x00000000e88ed70f, size=32, cache=test [ 20.931097] [ 20.931158] allocated by task 297 on cpu 0 at 20.930360s (0.000795s ago): [ 20.931237] test_alloc+0x230/0x628 [ 20.931283] test_use_after_free_read+0xd0/0x248 [ 20.931329] kunit_try_run_case+0x170/0x3f0 [ 20.931371] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.931417] kthread+0x328/0x630 [ 20.931459] ret_from_fork+0x10/0x20 [ 20.931499] [ 20.931527] freed by task 297 on cpu 0 at 20.930417s (0.001106s ago): [ 20.931642] test_use_after_free_read+0xf0/0x248 [ 20.931689] kunit_try_run_case+0x170/0x3f0 [ 20.931729] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.931774] kthread+0x328/0x630 [ 20.931812] ret_from_fork+0x10/0x20 [ 20.931853] [ 20.931897] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250512 #1 PREEMPT [ 20.931990] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.932021] Hardware name: linux,dummy-virt (DT) [ 20.932068] ================================================================== [ 20.828166] ================================================================== [ 20.828280] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 20.828280] [ 20.828808] Use-after-free read at 0x00000000f0010944 (in kfence-#100): [ 20.828905] test_use_after_free_read+0x114/0x248 [ 20.829492] kunit_try_run_case+0x170/0x3f0 [ 20.829570] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.829865] kthread+0x328/0x630 [ 20.829928] ret_from_fork+0x10/0x20 [ 20.830144] [ 20.830231] kfence-#100: 0x00000000f0010944-0x000000006293033e, size=32, cache=kmalloc-32 [ 20.830231] [ 20.830304] allocated by task 295 on cpu 0 at 20.827628s (0.002672s ago): [ 20.830394] test_alloc+0x29c/0x628 [ 20.830760] test_use_after_free_read+0xd0/0x248 [ 20.830825] kunit_try_run_case+0x170/0x3f0 [ 20.830871] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.830917] kthread+0x328/0x630 [ 20.830955] ret_from_fork+0x10/0x20 [ 20.831017] [ 20.831060] freed by task 295 on cpu 0 at 20.827719s (0.003336s ago): [ 20.831145] test_use_after_free_read+0x1c0/0x248 [ 20.831191] kunit_try_run_case+0x170/0x3f0 [ 20.831232] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.831278] kthread+0x328/0x630 [ 20.831317] ret_from_fork+0x10/0x20 [ 20.831358] [ 20.831408] CPU: 0 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250512 #1 PREEMPT [ 20.831503] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.831552] Hardware name: linux,dummy-virt (DT) [ 20.831590] ==================================================================
[ 23.825979] ================================================================== [ 23.826500] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 23.826500] [ 23.826977] Use-after-free read at 0x(____ptrval____) (in kfence-#100): [ 23.827543] test_use_after_free_read+0x129/0x270 [ 23.827900] kunit_try_run_case+0x1a5/0x480 [ 23.828155] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.828543] kthread+0x337/0x6f0 [ 23.828799] ret_from_fork+0x116/0x1d0 [ 23.829027] ret_from_fork_asm+0x1a/0x30 [ 23.829399] [ 23.829586] kfence-#100: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 23.829586] [ 23.830171] allocated by task 312 on cpu 1 at 23.825656s (0.004510s ago): [ 23.830492] test_alloc+0x364/0x10f0 [ 23.831102] test_use_after_free_read+0xdc/0x270 [ 23.831569] kunit_try_run_case+0x1a5/0x480 [ 23.832049] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.832532] kthread+0x337/0x6f0 [ 23.832927] ret_from_fork+0x116/0x1d0 [ 23.833161] ret_from_fork_asm+0x1a/0x30 [ 23.833510] [ 23.833990] freed by task 312 on cpu 1 at 23.825749s (0.008065s ago): [ 23.834583] test_use_after_free_read+0x1e7/0x270 [ 23.835063] kunit_try_run_case+0x1a5/0x480 [ 23.835460] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.835921] kthread+0x337/0x6f0 [ 23.836109] ret_from_fork+0x116/0x1d0 [ 23.836310] ret_from_fork_asm+0x1a/0x30 [ 23.836716] [ 23.836978] CPU: 1 UID: 0 PID: 312 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250512 #1 PREEMPT(voluntary) [ 23.837914] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.838118] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.838714] ================================================================== [ 23.929929] ================================================================== [ 23.930366] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 23.930366] [ 23.930732] Use-after-free read at 0x(____ptrval____) (in kfence-#101): [ 23.931281] test_use_after_free_read+0x129/0x270 [ 23.931495] kunit_try_run_case+0x1a5/0x480 [ 23.931688] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.932102] kthread+0x337/0x6f0 [ 23.932427] ret_from_fork+0x116/0x1d0 [ 23.932765] ret_from_fork_asm+0x1a/0x30 [ 23.932975] [ 23.933100] kfence-#101: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 23.933100] [ 23.933537] allocated by task 314 on cpu 0 at 23.929689s (0.003841s ago): [ 23.934077] test_alloc+0x2a6/0x10f0 [ 23.934505] test_use_after_free_read+0xdc/0x270 [ 23.934971] kunit_try_run_case+0x1a5/0x480 [ 23.935212] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.935518] kthread+0x337/0x6f0 [ 23.935702] ret_from_fork+0x116/0x1d0 [ 23.936000] ret_from_fork_asm+0x1a/0x30 [ 23.936351] [ 23.936541] freed by task 314 on cpu 0 at 23.929784s (0.006751s ago): [ 23.937127] test_use_after_free_read+0xfb/0x270 [ 23.937450] kunit_try_run_case+0x1a5/0x480 [ 23.937901] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.938204] kthread+0x337/0x6f0 [ 23.938397] ret_from_fork+0x116/0x1d0 [ 23.938591] ret_from_fork_asm+0x1a/0x30 [ 23.939056] [ 23.939292] CPU: 0 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250512 #1 PREEMPT(voluntary) [ 23.940321] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.940530] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.941052] ==================================================================