Date
May 13, 2025, 12:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.049194] ================================================================== [ 20.049406] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 20.049545] Free of addr fff00000c6617001 by task kunit_try_catch/211 [ 20.049600] [ 20.049654] CPU: 1 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250513 #1 PREEMPT [ 20.049759] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.049790] Hardware name: linux,dummy-virt (DT) [ 20.049868] Call trace: [ 20.049899] show_stack+0x20/0x38 (C) [ 20.050007] dump_stack_lvl+0x8c/0xd0 [ 20.050070] print_report+0x118/0x608 [ 20.050179] kasan_report_invalid_free+0xc0/0xe8 [ 20.050293] check_slab_allocation+0xfc/0x108 [ 20.050349] __kasan_slab_pre_free+0x2c/0x48 [ 20.050442] kmem_cache_free+0xf0/0x470 [ 20.050538] kmem_cache_invalid_free+0x184/0x3c8 [ 20.050595] kunit_try_run_case+0x170/0x3f0 [ 20.050652] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.050713] kthread+0x328/0x630 [ 20.050782] ret_from_fork+0x10/0x20 [ 20.050900] [ 20.051024] Allocated by task 211: [ 20.051063] kasan_save_stack+0x3c/0x68 [ 20.051272] kasan_save_track+0x20/0x40 [ 20.051327] kasan_save_alloc_info+0x40/0x58 [ 20.051596] __kasan_slab_alloc+0xa8/0xb0 [ 20.051659] kmem_cache_alloc_noprof+0x10c/0x3a0 [ 20.051967] kmem_cache_invalid_free+0x12c/0x3c8 [ 20.052261] kunit_try_run_case+0x170/0x3f0 [ 20.052326] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.052449] kthread+0x328/0x630 [ 20.052827] ret_from_fork+0x10/0x20 [ 20.052886] [ 20.052912] The buggy address belongs to the object at fff00000c6617000 [ 20.052912] which belongs to the cache test_cache of size 200 [ 20.052999] The buggy address is located 1 bytes inside of [ 20.052999] 200-byte region [fff00000c6617000, fff00000c66170c8) [ 20.053065] [ 20.053433] The buggy address belongs to the physical page: [ 20.053527] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106617 [ 20.053745] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.053907] page_type: f5(slab) [ 20.054296] raw: 0bfffe0000000000 fff00000c1806dc0 dead000000000122 0000000000000000 [ 20.054569] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 20.054634] page dumped because: kasan: bad access detected [ 20.054770] [ 20.054977] Memory state around the buggy address: [ 20.055033] fff00000c6616f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.055157] fff00000c6616f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.055296] >fff00000c6617000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.055511] ^ [ 20.055752] fff00000c6617080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 20.056004] fff00000c6617100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.056187] ==================================================================
[ 11.837095] ================================================================== [ 11.838147] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 11.839630] Free of addr ffff8881039dd001 by task kunit_try_catch/228 [ 11.839844] [ 11.839942] CPU: 1 UID: 0 PID: 228 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250513 #1 PREEMPT(voluntary) [ 11.839994] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.840006] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.840028] Call Trace: [ 11.840042] <TASK> [ 11.840061] dump_stack_lvl+0x73/0xb0 [ 11.840091] print_report+0xd1/0x650 [ 11.840114] ? __virt_addr_valid+0x1db/0x2d0 [ 11.840140] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.840170] ? kmem_cache_invalid_free+0x1d8/0x460 [ 11.840191] kasan_report_invalid_free+0x10a/0x130 [ 11.840217] ? kmem_cache_invalid_free+0x1d8/0x460 [ 11.840240] ? kmem_cache_invalid_free+0x1d8/0x460 [ 11.840260] check_slab_allocation+0x11f/0x130 [ 11.840282] __kasan_slab_pre_free+0x28/0x40 [ 11.840304] kmem_cache_free+0xed/0x420 [ 11.840324] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 11.840345] ? kmem_cache_invalid_free+0x1d8/0x460 [ 11.840368] kmem_cache_invalid_free+0x1d8/0x460 [ 11.840388] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 11.840408] ? finish_task_switch.isra.0+0x153/0x700 [ 11.840431] ? __switch_to+0x47/0xf50 [ 11.840461] ? __pfx_read_tsc+0x10/0x10 [ 11.840481] ? ktime_get_ts64+0x86/0x230 [ 11.840507] kunit_try_run_case+0x1a5/0x480 [ 11.840531] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.840552] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.840575] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.840597] ? __kthread_parkme+0x82/0x180 [ 11.840625] ? preempt_count_sub+0x50/0x80 [ 11.840648] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.840671] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.840694] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.840716] kthread+0x337/0x6f0 [ 11.840735] ? trace_preempt_on+0x20/0xc0 [ 11.840760] ? __pfx_kthread+0x10/0x10 [ 11.840780] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.840800] ? calculate_sigpending+0x7b/0xa0 [ 11.840825] ? __pfx_kthread+0x10/0x10 [ 11.840846] ret_from_fork+0x116/0x1d0 [ 11.840863] ? __pfx_kthread+0x10/0x10 [ 11.841093] ret_from_fork_asm+0x1a/0x30 [ 11.841128] </TASK> [ 11.841140] [ 11.855689] Allocated by task 228: [ 11.856000] kasan_save_stack+0x45/0x70 [ 11.856234] kasan_save_track+0x18/0x40 [ 11.856631] kasan_save_alloc_info+0x3b/0x50 [ 11.856782] __kasan_slab_alloc+0x91/0xa0 [ 11.856921] kmem_cache_alloc_noprof+0x123/0x3f0 [ 11.857074] kmem_cache_invalid_free+0x157/0x460 [ 11.857296] kunit_try_run_case+0x1a5/0x480 [ 11.857777] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.858295] kthread+0x337/0x6f0 [ 11.858816] ret_from_fork+0x116/0x1d0 [ 11.859197] ret_from_fork_asm+0x1a/0x30 [ 11.859665] [ 11.859836] The buggy address belongs to the object at ffff8881039dd000 [ 11.859836] which belongs to the cache test_cache of size 200 [ 11.860817] The buggy address is located 1 bytes inside of [ 11.860817] 200-byte region [ffff8881039dd000, ffff8881039dd0c8) [ 11.861315] [ 11.861495] The buggy address belongs to the physical page: [ 11.862061] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039dd [ 11.862559] flags: 0x200000000000000(node=0|zone=2) [ 11.863030] page_type: f5(slab) [ 11.863331] raw: 0200000000000000 ffff888100faf500 dead000000000122 0000000000000000 [ 11.863949] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 11.864185] page dumped because: kasan: bad access detected [ 11.864357] [ 11.864437] Memory state around the buggy address: [ 11.864593] ffff8881039dcf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.864815] ffff8881039dcf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.865029] >ffff8881039dd000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.865239] ^ [ 11.865353] ffff8881039dd080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 11.865563] ffff8881039dd100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.866134] ==================================================================