Date
July 15, 2025, 11:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.399548] ================================================================== [ 16.399637] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 16.399710] Free of addr fff00000c5952001 by task kunit_try_catch/212 [ 16.399754] [ 16.399795] CPU: 1 UID: 0 PID: 212 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 16.399884] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.399910] Hardware name: linux,dummy-virt (DT) [ 16.399944] Call trace: [ 16.399966] show_stack+0x20/0x38 (C) [ 16.400035] dump_stack_lvl+0x8c/0xd0 [ 16.400085] print_report+0x118/0x5d0 [ 16.400140] kasan_report_invalid_free+0xc0/0xe8 [ 16.400203] check_slab_allocation+0xfc/0x108 [ 16.400252] __kasan_slab_pre_free+0x2c/0x48 [ 16.400298] kmem_cache_free+0xf0/0x468 [ 16.400372] kmem_cache_invalid_free+0x184/0x3c8 [ 16.400418] kunit_try_run_case+0x170/0x3f0 [ 16.400476] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.400549] kthread+0x328/0x630 [ 16.400593] ret_from_fork+0x10/0x20 [ 16.400642] [ 16.400659] Allocated by task 212: [ 16.400944] kasan_save_stack+0x3c/0x68 [ 16.401020] kasan_save_track+0x20/0x40 [ 16.401166] kasan_save_alloc_info+0x40/0x58 [ 16.401384] __kasan_slab_alloc+0xa8/0xb0 [ 16.401518] kmem_cache_alloc_noprof+0x10c/0x398 [ 16.401627] kmem_cache_invalid_free+0x12c/0x3c8 [ 16.401737] kunit_try_run_case+0x170/0x3f0 [ 16.401802] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.401846] kthread+0x328/0x630 [ 16.401876] ret_from_fork+0x10/0x20 [ 16.401934] [ 16.401955] The buggy address belongs to the object at fff00000c5952000 [ 16.401955] which belongs to the cache test_cache of size 200 [ 16.402016] The buggy address is located 1 bytes inside of [ 16.402016] 200-byte region [fff00000c5952000, fff00000c59520c8) [ 16.402346] [ 16.402421] The buggy address belongs to the physical page: [ 16.402582] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105952 [ 16.402644] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.402871] page_type: f5(slab) [ 16.403111] raw: 0bfffe0000000000 fff00000c590f640 dead000000000122 0000000000000000 [ 16.403247] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 16.403366] page dumped because: kasan: bad access detected [ 16.403444] [ 16.403521] Memory state around the buggy address: [ 16.403553] fff00000c5951f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.403623] fff00000c5951f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.403909] >fff00000c5952000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.404094] ^ [ 16.404212] fff00000c5952080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 16.404277] fff00000c5952100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.404376] ==================================================================
[ 13.279555] ================================================================== [ 13.279964] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 13.280197] Free of addr ffff8881038d8001 by task kunit_try_catch/228 [ 13.281189] [ 13.281508] CPU: 1 UID: 0 PID: 228 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 13.281559] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.281571] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.281591] Call Trace: [ 13.281603] <TASK> [ 13.281619] dump_stack_lvl+0x73/0xb0 [ 13.281651] print_report+0xd1/0x610 [ 13.281674] ? __virt_addr_valid+0x1db/0x2d0 [ 13.281699] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.281722] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.281748] kasan_report_invalid_free+0x10a/0x130 [ 13.281790] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.281816] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.281841] check_slab_allocation+0x11f/0x130 [ 13.281863] __kasan_slab_pre_free+0x28/0x40 [ 13.281884] kmem_cache_free+0xed/0x420 [ 13.281905] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.281926] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.281954] kmem_cache_invalid_free+0x1d8/0x460 [ 13.281979] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 13.282004] ? finish_task_switch.isra.0+0x153/0x700 [ 13.282028] ? __switch_to+0x47/0xf50 [ 13.282057] ? __pfx_read_tsc+0x10/0x10 [ 13.282077] ? ktime_get_ts64+0x86/0x230 [ 13.282101] kunit_try_run_case+0x1a5/0x480 [ 13.282127] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.282149] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.282174] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.282198] ? __kthread_parkme+0x82/0x180 [ 13.282219] ? preempt_count_sub+0x50/0x80 [ 13.282242] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.282266] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.282290] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.282315] kthread+0x337/0x6f0 [ 13.282334] ? trace_preempt_on+0x20/0xc0 [ 13.282358] ? __pfx_kthread+0x10/0x10 [ 13.282379] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.282406] ? calculate_sigpending+0x7b/0xa0 [ 13.282431] ? __pfx_kthread+0x10/0x10 [ 13.282452] ret_from_fork+0x116/0x1d0 [ 13.282470] ? __pfx_kthread+0x10/0x10 [ 13.282491] ret_from_fork_asm+0x1a/0x30 [ 13.282521] </TASK> [ 13.282531] [ 13.296324] Allocated by task 228: [ 13.296722] kasan_save_stack+0x45/0x70 [ 13.296952] kasan_save_track+0x18/0x40 [ 13.297128] kasan_save_alloc_info+0x3b/0x50 [ 13.297652] __kasan_slab_alloc+0x91/0xa0 [ 13.297869] kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.298164] kmem_cache_invalid_free+0x157/0x460 [ 13.298528] kunit_try_run_case+0x1a5/0x480 [ 13.298749] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.299002] kthread+0x337/0x6f0 [ 13.299162] ret_from_fork+0x116/0x1d0 [ 13.299344] ret_from_fork_asm+0x1a/0x30 [ 13.300006] [ 13.300104] The buggy address belongs to the object at ffff8881038d8000 [ 13.300104] which belongs to the cache test_cache of size 200 [ 13.300933] The buggy address is located 1 bytes inside of [ 13.300933] 200-byte region [ffff8881038d8000, ffff8881038d80c8) [ 13.301692] [ 13.301798] The buggy address belongs to the physical page: [ 13.302039] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1038d8 [ 13.302387] flags: 0x200000000000000(node=0|zone=2) [ 13.302959] page_type: f5(slab) [ 13.303244] raw: 0200000000000000 ffff888101bdec80 dead000000000122 0000000000000000 [ 13.303635] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.303986] page dumped because: kasan: bad access detected [ 13.304225] [ 13.304305] Memory state around the buggy address: [ 13.304875] ffff8881038d7f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.305164] ffff8881038d7f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.305861] >ffff8881038d8000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.306135] ^ [ 13.306301] ffff8881038d8080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.306949] ffff8881038d8100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.307337] ==================================================================