Date
June 23, 2025, 1:39 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 25.756550] ================================================================== [ 25.756837] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 25.757091] Free of addr fff00000c63ef001 by task kunit_try_catch/213 [ 25.757358] [ 25.757471] CPU: 0 UID: 0 PID: 213 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc1 #1 PREEMPT [ 25.757669] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.757735] Hardware name: linux,dummy-virt (DT) [ 25.757809] Call trace: [ 25.757866] show_stack+0x20/0x38 (C) [ 25.757997] dump_stack_lvl+0x8c/0xd0 [ 25.758116] print_report+0x118/0x608 [ 25.758227] kasan_report_invalid_free+0xc0/0xe8 [ 25.758340] check_slab_allocation+0xfc/0x108 [ 25.758477] __kasan_slab_pre_free+0x2c/0x48 [ 25.758603] kmem_cache_free+0xf0/0x468 [ 25.758721] kmem_cache_invalid_free+0x184/0x3c8 [ 25.758838] kunit_try_run_case+0x170/0x3f0 [ 25.758963] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.759092] kthread+0x328/0x630 [ 25.759207] ret_from_fork+0x10/0x20 [ 25.759337] [ 25.759400] Allocated by task 213: [ 25.759473] kasan_save_stack+0x3c/0x68 [ 25.759588] kasan_save_track+0x20/0x40 [ 25.759696] kasan_save_alloc_info+0x40/0x58 [ 25.759806] __kasan_slab_alloc+0xa8/0xb0 [ 25.759970] kmem_cache_alloc_noprof+0x10c/0x398 [ 25.760074] kmem_cache_invalid_free+0x12c/0x3c8 [ 25.760220] kunit_try_run_case+0x170/0x3f0 [ 25.760371] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.760571] kthread+0x328/0x630 [ 25.760708] ret_from_fork+0x10/0x20 [ 25.761069] [ 25.761151] The buggy address belongs to the object at fff00000c63ef000 [ 25.761151] which belongs to the cache test_cache of size 200 [ 25.762039] The buggy address is located 1 bytes inside of [ 25.762039] 200-byte region [fff00000c63ef000, fff00000c63ef0c8) [ 25.762209] [ 25.762270] The buggy address belongs to the physical page: [ 25.762358] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063ef [ 25.762528] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 25.762738] page_type: f5(slab) [ 25.762960] raw: 0bfffe0000000000 fff00000c59ebc80 dead000000000122 0000000000000000 [ 25.763084] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 25.763175] page dumped because: kasan: bad access detected [ 25.763247] [ 25.763285] Memory state around the buggy address: [ 25.763353] fff00000c63eef00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.763630] fff00000c63eef80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.763755] >fff00000c63ef000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.763878] ^ [ 25.763951] fff00000c63ef080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 25.764054] fff00000c63ef100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.764144] ==================================================================
[ 18.437449] ================================================================== [ 18.438393] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 18.438929] Free of addr ffff88810a083001 by task kunit_try_catch/232 [ 18.439434] [ 18.439725] CPU: 1 UID: 0 PID: 232 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc1 #1 PREEMPT(voluntary) [ 18.439849] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.439884] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.439941] Call Trace: [ 18.439979] <TASK> [ 18.440030] dump_stack_lvl+0x73/0xb0 [ 18.440106] print_report+0xd1/0x650 [ 18.440182] ? __virt_addr_valid+0x1db/0x2d0 [ 18.440261] ? kasan_complete_mode_report_info+0x2a/0x200 [ 18.440332] ? kmem_cache_invalid_free+0x1d8/0x460 [ 18.440399] kasan_report_invalid_free+0x10a/0x130 [ 18.440476] ? kmem_cache_invalid_free+0x1d8/0x460 [ 18.440547] ? kmem_cache_invalid_free+0x1d8/0x460 [ 18.440633] check_slab_allocation+0x11f/0x130 [ 18.440709] __kasan_slab_pre_free+0x28/0x40 [ 18.440761] kmem_cache_free+0xed/0x420 [ 18.440793] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 18.440825] ? kmem_cache_invalid_free+0x1d8/0x460 [ 18.440857] kmem_cache_invalid_free+0x1d8/0x460 [ 18.440885] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 18.440913] ? finish_task_switch.isra.0+0x153/0x700 [ 18.440946] ? __switch_to+0x5d9/0xf60 [ 18.440973] ? dequeue_task_fair+0x166/0x4e0 [ 18.441009] ? __pfx_read_tsc+0x10/0x10 [ 18.441037] ? ktime_get_ts64+0x86/0x230 [ 18.441071] kunit_try_run_case+0x1a5/0x480 [ 18.441107] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.441139] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 18.441172] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 18.441204] ? __kthread_parkme+0x82/0x180 [ 18.441265] ? preempt_count_sub+0x50/0x80 [ 18.441303] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.441338] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.441369] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 18.441401] kthread+0x337/0x6f0 [ 18.441422] ? trace_preempt_on+0x20/0xc0 [ 18.441455] ? __pfx_kthread+0x10/0x10 [ 18.441478] ? _raw_spin_unlock_irq+0x47/0x80 [ 18.441507] ? calculate_sigpending+0x7b/0xa0 [ 18.441537] ? __pfx_kthread+0x10/0x10 [ 18.441560] ret_from_fork+0x41/0x80 [ 18.441589] ? __pfx_kthread+0x10/0x10 [ 18.441638] ret_from_fork_asm+0x1a/0x30 [ 18.441682] </TASK> [ 18.441696] [ 18.459450] Allocated by task 232: [ 18.459861] kasan_save_stack+0x45/0x70 [ 18.460346] kasan_save_track+0x18/0x40 [ 18.460763] kasan_save_alloc_info+0x3b/0x50 [ 18.461265] __kasan_slab_alloc+0x91/0xa0 [ 18.461683] kmem_cache_alloc_noprof+0x123/0x3f0 [ 18.462102] kmem_cache_invalid_free+0x157/0x460 [ 18.462564] kunit_try_run_case+0x1a5/0x480 [ 18.462911] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.463380] kthread+0x337/0x6f0 [ 18.463750] ret_from_fork+0x41/0x80 [ 18.464148] ret_from_fork_asm+0x1a/0x30 [ 18.464599] [ 18.464836] The buggy address belongs to the object at ffff88810a083000 [ 18.464836] which belongs to the cache test_cache of size 200 [ 18.465892] The buggy address is located 1 bytes inside of [ 18.465892] 200-byte region [ffff88810a083000, ffff88810a0830c8) [ 18.466644] [ 18.466879] The buggy address belongs to the physical page: [ 18.467411] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10a083 [ 18.468085] flags: 0x200000000000000(node=0|zone=2) [ 18.468636] page_type: f5(slab) [ 18.468960] raw: 0200000000000000 ffff8881016118c0 dead000000000122 0000000000000000 [ 18.469650] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 18.470135] page dumped because: kasan: bad access detected [ 18.470541] [ 18.470780] Memory state around the buggy address: [ 18.471208] ffff88810a082f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.471877] ffff88810a082f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.472552] >ffff88810a083000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.473063] ^ [ 18.473464] ffff88810a083080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 18.474126] ffff88810a083100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.474599] ==================================================================