Date
July 10, 2025, 11:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.748990] ================================================================== [ 16.749122] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 16.749204] Free of addr fff00000c641b001 by task kunit_try_catch/211 [ 16.749248] [ 16.749565] CPU: 1 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 16.749661] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.749992] Hardware name: linux,dummy-virt (DT) [ 16.750115] Call trace: [ 16.750179] show_stack+0x20/0x38 (C) [ 16.750240] dump_stack_lvl+0x8c/0xd0 [ 16.750322] print_report+0x118/0x608 [ 16.750372] kasan_report_invalid_free+0xc0/0xe8 [ 16.750566] check_slab_allocation+0xfc/0x108 [ 16.750814] __kasan_slab_pre_free+0x2c/0x48 [ 16.750867] kmem_cache_free+0xf0/0x468 [ 16.751241] kmem_cache_invalid_free+0x184/0x3c8 [ 16.751374] kunit_try_run_case+0x170/0x3f0 [ 16.751432] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.751791] kthread+0x328/0x630 [ 16.751920] ret_from_fork+0x10/0x20 [ 16.751979] [ 16.752022] Allocated by task 211: [ 16.752239] kasan_save_stack+0x3c/0x68 [ 16.752412] kasan_save_track+0x20/0x40 [ 16.752488] kasan_save_alloc_info+0x40/0x58 [ 16.752572] __kasan_slab_alloc+0xa8/0xb0 [ 16.752755] kmem_cache_alloc_noprof+0x10c/0x398 [ 16.752932] kmem_cache_invalid_free+0x12c/0x3c8 [ 16.753011] kunit_try_run_case+0x170/0x3f0 [ 16.753137] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.753225] kthread+0x328/0x630 [ 16.753666] ret_from_fork+0x10/0x20 [ 16.753788] [ 16.753842] The buggy address belongs to the object at fff00000c641b000 [ 16.753842] which belongs to the cache test_cache of size 200 [ 16.753947] The buggy address is located 1 bytes inside of [ 16.753947] 200-byte region [fff00000c641b000, fff00000c641b0c8) [ 16.754129] [ 16.754383] The buggy address belongs to the physical page: [ 16.754475] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10641b [ 16.754539] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.754816] page_type: f5(slab) [ 16.755550] raw: 0bfffe0000000000 fff00000c5696500 dead000000000122 0000000000000000 [ 16.755782] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 16.755881] page dumped because: kasan: bad access detected [ 16.756228] [ 16.756357] Memory state around the buggy address: [ 16.756430] fff00000c641af00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.756668] fff00000c641af80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.756880] >fff00000c641b000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.756959] ^ [ 16.756988] fff00000c641b080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 16.757182] fff00000c641b100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.757326] ==================================================================
[ 13.425080] ================================================================== [ 13.425922] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 13.426228] Free of addr ffff8881027ba001 by task kunit_try_catch/228 [ 13.427078] [ 13.427194] CPU: 0 UID: 0 PID: 228 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 13.427483] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.427502] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.427524] Call Trace: [ 13.427537] <TASK> [ 13.427553] dump_stack_lvl+0x73/0xb0 [ 13.427588] print_report+0xd1/0x650 [ 13.427610] ? __virt_addr_valid+0x1db/0x2d0 [ 13.427635] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.427658] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.427684] kasan_report_invalid_free+0x10a/0x130 [ 13.427708] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.427735] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.427760] check_slab_allocation+0x11f/0x130 [ 13.427781] __kasan_slab_pre_free+0x28/0x40 [ 13.427802] kmem_cache_free+0xed/0x420 [ 13.427822] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.427842] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.427870] kmem_cache_invalid_free+0x1d8/0x460 [ 13.427895] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 13.427919] ? finish_task_switch.isra.0+0x153/0x700 [ 13.427943] ? __switch_to+0x47/0xf50 [ 13.427971] ? __pfx_read_tsc+0x10/0x10 [ 13.427992] ? ktime_get_ts64+0x86/0x230 [ 13.428017] kunit_try_run_case+0x1a5/0x480 [ 13.428041] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.428064] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.428088] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.428111] ? __kthread_parkme+0x82/0x180 [ 13.428132] ? preempt_count_sub+0x50/0x80 [ 13.428155] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.428187] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.428211] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.428236] kthread+0x337/0x6f0 [ 13.428254] ? trace_preempt_on+0x20/0xc0 [ 13.428278] ? __pfx_kthread+0x10/0x10 [ 13.428298] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.428319] ? calculate_sigpending+0x7b/0xa0 [ 13.428344] ? __pfx_kthread+0x10/0x10 [ 13.428413] ret_from_fork+0x116/0x1d0 [ 13.428445] ? __pfx_kthread+0x10/0x10 [ 13.428466] ret_from_fork_asm+0x1a/0x30 [ 13.428498] </TASK> [ 13.428509] [ 13.439327] Allocated by task 228: [ 13.439568] kasan_save_stack+0x45/0x70 [ 13.439726] kasan_save_track+0x18/0x40 [ 13.440072] kasan_save_alloc_info+0x3b/0x50 [ 13.440325] __kasan_slab_alloc+0x91/0xa0 [ 13.441660] kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.441842] kmem_cache_invalid_free+0x157/0x460 [ 13.442009] kunit_try_run_case+0x1a5/0x480 [ 13.442165] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.443468] kthread+0x337/0x6f0 [ 13.443687] ret_from_fork+0x116/0x1d0 [ 13.443877] ret_from_fork_asm+0x1a/0x30 [ 13.444122] [ 13.444253] The buggy address belongs to the object at ffff8881027ba000 [ 13.444253] which belongs to the cache test_cache of size 200 [ 13.444838] The buggy address is located 1 bytes inside of [ 13.444838] 200-byte region [ffff8881027ba000, ffff8881027ba0c8) [ 13.445295] [ 13.445735] The buggy address belongs to the physical page: [ 13.445913] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027ba [ 13.446150] flags: 0x200000000000000(node=0|zone=2) [ 13.446335] page_type: f5(slab) [ 13.446517] raw: 0200000000000000 ffff8881027b7000 dead000000000122 0000000000000000 [ 13.446827] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.447046] page dumped because: kasan: bad access detected [ 13.447266] [ 13.448882] Memory state around the buggy address: [ 13.449078] ffff8881027b9f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.449299] ffff8881027b9f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.449549] >ffff8881027ba000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.449763] ^ [ 13.449880] ffff8881027ba080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.450092] ffff8881027ba100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.450302] ==================================================================