Date
July 3, 2025, 11:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 24.992306] ================================================================== [ 24.992913] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 24.992913] [ 24.993380] Use-after-free read at 0x000000005b3eac46 (in kfence-#106): [ 24.993907] test_use_after_free_read+0x114/0x248 [ 24.994109] kunit_try_run_case+0x170/0x3f0 [ 24.994498] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.994696] kthread+0x328/0x630 [ 24.994773] ret_from_fork+0x10/0x20 [ 24.994853] [ 24.994907] kfence-#106: 0x000000005b3eac46-0x00000000de4f4352, size=32, cache=kmalloc-32 [ 24.994907] [ 24.995115] allocated by task 295 on cpu 1 at 24.991158s (0.003943s ago): [ 24.995568] test_alloc+0x29c/0x628 [ 24.995797] test_use_after_free_read+0xd0/0x248 [ 24.996183] kunit_try_run_case+0x170/0x3f0 [ 24.996450] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.996714] kthread+0x328/0x630 [ 24.996797] ret_from_fork+0x10/0x20 [ 24.997141] [ 24.997769] freed by task 295 on cpu 1 at 24.991448s (0.005856s ago): [ 24.998110] test_use_after_free_read+0x1c0/0x248 [ 24.998203] kunit_try_run_case+0x170/0x3f0 [ 24.998768] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.998954] kthread+0x328/0x630 [ 24.999227] ret_from_fork+0x10/0x20 [ 24.999604] [ 24.999820] CPU: 1 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 25.000229] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.000504] Hardware name: linux,dummy-virt (DT) [ 25.000600] ================================================================== [ 25.096354] ================================================================== [ 25.096921] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 25.096921] [ 25.097344] Use-after-free read at 0x00000000d4643401 (in kfence-#107): [ 25.097749] test_use_after_free_read+0x114/0x248 [ 25.098183] kunit_try_run_case+0x170/0x3f0 [ 25.098290] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.098391] kthread+0x328/0x630 [ 25.098476] ret_from_fork+0x10/0x20 [ 25.098559] [ 25.098616] kfence-#107: 0x00000000d4643401-0x00000000e6b90f94, size=32, cache=test [ 25.098616] [ 25.098730] allocated by task 297 on cpu 1 at 25.095243s (0.003479s ago): [ 25.099223] test_alloc+0x230/0x628 [ 25.099452] test_use_after_free_read+0xd0/0x248 [ 25.099536] kunit_try_run_case+0x170/0x3f0 [ 25.099609] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.099693] kthread+0x328/0x630 [ 25.099761] ret_from_fork+0x10/0x20 [ 25.099833] [ 25.099884] freed by task 297 on cpu 1 at 25.095348s (0.004529s ago): [ 25.100195] test_use_after_free_read+0xf0/0x248 [ 25.100455] kunit_try_run_case+0x170/0x3f0 [ 25.100707] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.101287] kthread+0x328/0x630 [ 25.101541] ret_from_fork+0x10/0x20 [ 25.101738] [ 25.102169] CPU: 1 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 25.102350] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.102702] Hardware name: linux,dummy-virt (DT) [ 25.102784] ==================================================================
[ 16.857882] ================================================================== [ 16.858369] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 16.858369] [ 16.858812] Use-after-free read at 0x(____ptrval____) (in kfence-#71): [ 16.859414] test_use_after_free_read+0x129/0x270 [ 16.859692] kunit_try_run_case+0x1a5/0x480 [ 16.859904] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.860472] kthread+0x337/0x6f0 [ 16.860659] ret_from_fork+0x116/0x1d0 [ 16.860817] ret_from_fork_asm+0x1a/0x30 [ 16.861099] [ 16.861278] kfence-#71: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 16.861278] [ 16.861679] allocated by task 313 on cpu 1 at 16.857677s (0.004000s ago): [ 16.861977] test_alloc+0x364/0x10f0 [ 16.862450] test_use_after_free_read+0xdc/0x270 [ 16.862750] kunit_try_run_case+0x1a5/0x480 [ 16.863034] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.863367] kthread+0x337/0x6f0 [ 16.863602] ret_from_fork+0x116/0x1d0 [ 16.863761] ret_from_fork_asm+0x1a/0x30 [ 16.864105] [ 16.864476] freed by task 313 on cpu 1 at 16.857727s (0.006543s ago): [ 16.864823] test_use_after_free_read+0x1e7/0x270 [ 16.865173] kunit_try_run_case+0x1a5/0x480 [ 16.865384] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.865616] kthread+0x337/0x6f0 [ 16.865784] ret_from_fork+0x116/0x1d0 [ 16.865959] ret_from_fork_asm+0x1a/0x30 [ 16.866436] [ 16.866573] CPU: 1 UID: 0 PID: 313 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 16.867093] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.867363] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.867890] ================================================================== [ 16.961739] ================================================================== [ 16.962152] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 16.962152] [ 16.962559] Use-after-free read at 0x(____ptrval____) (in kfence-#72): [ 16.963251] test_use_after_free_read+0x129/0x270 [ 16.963470] kunit_try_run_case+0x1a5/0x480 [ 16.963681] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.963910] kthread+0x337/0x6f0 [ 16.964087] ret_from_fork+0x116/0x1d0 [ 16.964293] ret_from_fork_asm+0x1a/0x30 [ 16.964915] [ 16.964999] kfence-#72: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 16.964999] [ 16.965703] allocated by task 315 on cpu 1 at 16.961614s (0.004086s ago): [ 16.966155] test_alloc+0x2a6/0x10f0 [ 16.966436] test_use_after_free_read+0xdc/0x270 [ 16.966628] kunit_try_run_case+0x1a5/0x480 [ 16.966949] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.967347] kthread+0x337/0x6f0 [ 16.967510] ret_from_fork+0x116/0x1d0 [ 16.967680] ret_from_fork_asm+0x1a/0x30 [ 16.967864] [ 16.967948] freed by task 315 on cpu 1 at 16.961672s (0.006274s ago): [ 16.968541] test_use_after_free_read+0xfb/0x270 [ 16.968753] kunit_try_run_case+0x1a5/0x480 [ 16.969018] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.969275] kthread+0x337/0x6f0 [ 16.969574] ret_from_fork+0x116/0x1d0 [ 16.969735] ret_from_fork_asm+0x1a/0x30 [ 16.970091] [ 16.970325] CPU: 1 UID: 0 PID: 315 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 16.970883] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.971173] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.971532] ==================================================================