Date
May 12, 2025, 6:12 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 24.143748] ================================================================== [ 24.144344] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 24.144344] [ 24.145165] Use-after-free read at 0x00000000a2e815c7 (in kfence-#105): [ 24.146214] test_use_after_free_read+0x114/0x248 [ 24.147053] kunit_try_run_case+0x170/0x3f0 [ 24.147727] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.148202] kthread+0x318/0x620 [ 24.148571] ret_from_fork+0x10/0x20 [ 24.149143] [ 24.149502] kfence-#105: 0x00000000a2e815c7-0x0000000091cb25bc, size=32, cache=test [ 24.149502] [ 24.150238] allocated by task 286 on cpu 0 at 24.143367s (0.006859s ago): [ 24.151058] test_alloc+0x230/0x628 [ 24.151571] test_use_after_free_read+0xd0/0x248 [ 24.152188] kunit_try_run_case+0x170/0x3f0 [ 24.152617] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.153298] kthread+0x318/0x620 [ 24.153760] ret_from_fork+0x10/0x20 [ 24.154300] [ 24.154667] freed by task 286 on cpu 0 at 24.143483s (0.011172s ago): [ 24.155505] test_use_after_free_read+0xf0/0x248 [ 24.155875] kunit_try_run_case+0x170/0x3f0 [ 24.156392] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.156896] kthread+0x318/0x620 [ 24.157345] ret_from_fork+0x10/0x20 [ 24.157788] [ 24.158104] CPU: 0 UID: 0 PID: 286 Comm: kunit_try_catch Tainted: G B N 6.14.7-rc1 #1 [ 24.158789] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.159294] Hardware name: linux,dummy-virt (DT) [ 24.159695] ================================================================== [ 24.039708] ================================================================== [ 24.040284] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 24.040284] [ 24.041570] Use-after-free read at 0x00000000534d1225 (in kfence-#104): [ 24.042189] test_use_after_free_read+0x114/0x248 [ 24.042971] kunit_try_run_case+0x170/0x3f0 [ 24.043289] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.043492] kthread+0x318/0x620 [ 24.043646] ret_from_fork+0x10/0x20 [ 24.043824] [ 24.043933] kfence-#104: 0x00000000534d1225-0x00000000dfb58895, size=32, cache=kmalloc-32 [ 24.043933] [ 24.044202] allocated by task 284 on cpu 1 at 24.039240s (0.004956s ago): [ 24.044439] test_alloc+0x29c/0x628 [ 24.044596] test_use_after_free_read+0xd0/0x248 [ 24.044837] kunit_try_run_case+0x170/0x3f0 [ 24.045339] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.046041] kthread+0x318/0x620 [ 24.046571] ret_from_fork+0x10/0x20 [ 24.047120] [ 24.047632] freed by task 284 on cpu 1 at 24.039364s (0.008107s ago): [ 24.048490] test_use_after_free_read+0x1c0/0x248 [ 24.048950] kunit_try_run_case+0x170/0x3f0 [ 24.049402] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.049932] kthread+0x318/0x620 [ 24.050336] ret_from_fork+0x10/0x20 [ 24.050787] [ 24.051103] CPU: 1 UID: 0 PID: 284 Comm: kunit_try_catch Tainted: G B N 6.14.7-rc1 #1 [ 24.051842] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.052164] Hardware name: linux,dummy-virt (DT) [ 24.052678] ==================================================================
[ 18.405568] ================================================================== [ 18.406018] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x12a/0x270 [ 18.406018] [ 18.406407] Use-after-free read at 0x(____ptrval____) (in kfence-#73): [ 18.406937] test_use_after_free_read+0x12a/0x270 [ 18.407566] kunit_try_run_case+0x1a6/0x480 [ 18.407755] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.408166] kthread+0x324/0x6e0 [ 18.408415] ret_from_fork+0x41/0x80 [ 18.408613] ret_from_fork_asm+0x1a/0x30 [ 18.408798] [ 18.408911] kfence-#73: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 18.408911] [ 18.409524] allocated by task 305 on cpu 1 at 18.405426s (0.004095s ago): [ 18.409983] test_alloc+0x2a7/0x10f0 [ 18.410319] test_use_after_free_read+0xdd/0x270 [ 18.410636] kunit_try_run_case+0x1a6/0x480 [ 18.410853] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.411212] kthread+0x324/0x6e0 [ 18.411359] ret_from_fork+0x41/0x80 [ 18.411658] ret_from_fork_asm+0x1a/0x30 [ 18.411865] [ 18.412113] freed by task 305 on cpu 1 at 18.405486s (0.006624s ago): [ 18.412505] test_use_after_free_read+0xfc/0x270 [ 18.412717] kunit_try_run_case+0x1a6/0x480 [ 18.412931] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.413402] kthread+0x324/0x6e0 [ 18.413577] ret_from_fork+0x41/0x80 [ 18.413717] ret_from_fork_asm+0x1a/0x30 [ 18.414066] [ 18.414206] CPU: 1 UID: 0 PID: 305 Comm: kunit_try_catch Tainted: G B N 6.14.7-rc1 #1 [ 18.414725] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.414926] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.415400] ================================================================== [ 18.301617] ================================================================== [ 18.302097] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x12a/0x270 [ 18.302097] [ 18.302682] Use-after-free read at 0x(____ptrval____) (in kfence-#72): [ 18.302955] test_use_after_free_read+0x12a/0x270 [ 18.303806] kunit_try_run_case+0x1a6/0x480 [ 18.304031] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.304268] kthread+0x324/0x6e0 [ 18.304581] ret_from_fork+0x41/0x80 [ 18.304847] ret_from_fork_asm+0x1a/0x30 [ 18.305014] [ 18.305193] kfence-#72: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 18.305193] [ 18.305616] allocated by task 303 on cpu 1 at 18.301375s (0.004239s ago): [ 18.306187] test_alloc+0x365/0x10f0 [ 18.306437] test_use_after_free_read+0xdd/0x270 [ 18.306716] kunit_try_run_case+0x1a6/0x480 [ 18.306910] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.307320] kthread+0x324/0x6e0 [ 18.307559] ret_from_fork+0x41/0x80 [ 18.307820] ret_from_fork_asm+0x1a/0x30 [ 18.308021] [ 18.308212] freed by task 303 on cpu 1 at 18.301452s (0.006757s ago): [ 18.308520] test_use_after_free_read+0x1e9/0x270 [ 18.308732] kunit_try_run_case+0x1a6/0x480 [ 18.308947] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.309197] kthread+0x324/0x6e0 [ 18.309692] ret_from_fork+0x41/0x80 [ 18.309877] ret_from_fork_asm+0x1a/0x30 [ 18.310181] [ 18.310411] CPU: 1 UID: 0 PID: 303 Comm: kunit_try_catch Tainted: G B N 6.14.7-rc1 #1 [ 18.310917] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.311252] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.311708] ==================================================================