Date
Feb. 5, 2025, 2:09 p.m.
Environment | |
---|---|
qemu-x86_64 |
[ 81.684591] ================================================================== [ 81.685340] BUG: KFENCE: use-after-free read in test_krealloc+0x2e9/0x530 [ 81.685340] [ 81.686050] Use-after-free read at 0x(____ptrval____) (in kfence-#219): [ 81.686363] test_krealloc+0x2e9/0x530 [ 81.686607] kunit_try_run_case+0x126/0x290 [ 81.686961] kunit_generic_run_threadfn_adapter+0x33/0x50 [ 81.687478] kthread+0x19e/0x1e0 [ 81.687862] ret_from_fork+0x41/0x70 [ 81.688340] ret_from_fork_asm+0x1b/0x30 [ 81.689061] [ 81.689334] kfence-#219: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 81.689334] [ 81.690134] allocated by task 295 on cpu 1 at 81.683825s: [ 81.691019] test_alloc+0x2a0/0x8d0 [ 81.691718] test_krealloc+0xb1/0x530 [ 81.692283] kunit_try_run_case+0x126/0x290 [ 81.692900] kunit_generic_run_threadfn_adapter+0x33/0x50 [ 81.693409] kthread+0x19e/0x1e0 [ 81.694102] ret_from_fork+0x41/0x70 [ 81.694757] ret_from_fork_asm+0x1b/0x30 [ 81.695406] [ 81.695763] freed by task 295 on cpu 1 at 81.684233s: [ 81.696613] krealloc+0x83/0x140 [ 81.697210] test_krealloc+0x137/0x530 [ 81.697819] kunit_try_run_case+0x126/0x290 [ 81.698439] kunit_generic_run_threadfn_adapter+0x33/0x50 [ 81.699118] kthread+0x19e/0x1e0 [ 81.699666] ret_from_fork+0x41/0x70 [ 81.700275] ret_from_fork_asm+0x1b/0x30 [ 81.700916] [ 81.701235] CPU: 1 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.6.76-rc1 #1 [ 81.702071] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 81.702902] ==================================================================