Date
July 8, 2025, 7:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.070802] ================================================================== [ 20.070862] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 20.070918] Free of addr fff00000c6473001 by task kunit_try_catch/211 [ 20.070962] [ 20.071006] CPU: 1 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 20.071106] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.071133] Hardware name: linux,dummy-virt (DT) [ 20.071166] Call trace: [ 20.071187] show_stack+0x20/0x38 (C) [ 20.071237] dump_stack_lvl+0x8c/0xd0 [ 20.071289] print_report+0x118/0x608 [ 20.071336] kasan_report_invalid_free+0xc0/0xe8 [ 20.071384] check_slab_allocation+0xfc/0x108 [ 20.071433] __kasan_slab_pre_free+0x2c/0x48 [ 20.071479] kmem_cache_free+0xf0/0x468 [ 20.071523] kmem_cache_invalid_free+0x184/0x3c8 [ 20.071570] kunit_try_run_case+0x170/0x3f0 [ 20.071618] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.071671] kthread+0x328/0x630 [ 20.071725] ret_from_fork+0x10/0x20 [ 20.071773] [ 20.072217] Allocated by task 211: [ 20.072323] kasan_save_stack+0x3c/0x68 [ 20.072379] kasan_save_track+0x20/0x40 [ 20.072416] kasan_save_alloc_info+0x40/0x58 [ 20.072465] __kasan_slab_alloc+0xa8/0xb0 [ 20.072502] kmem_cache_alloc_noprof+0x10c/0x398 [ 20.072540] kmem_cache_invalid_free+0x12c/0x3c8 [ 20.072601] kunit_try_run_case+0x170/0x3f0 [ 20.072680] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.072744] kthread+0x328/0x630 [ 20.072789] ret_from_fork+0x10/0x20 [ 20.072857] [ 20.072902] The buggy address belongs to the object at fff00000c6473000 [ 20.072902] which belongs to the cache test_cache of size 200 [ 20.072985] The buggy address is located 1 bytes inside of [ 20.072985] 200-byte region [fff00000c6473000, fff00000c64730c8) [ 20.073058] [ 20.073081] The buggy address belongs to the physical page: [ 20.073113] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106473 [ 20.073280] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.073338] page_type: f5(slab) [ 20.073395] raw: 0bfffe0000000000 fff00000c563c500 dead000000000122 0000000000000000 [ 20.073490] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 20.073533] page dumped because: kasan: bad access detected [ 20.073601] [ 20.073650] Memory state around the buggy address: [ 20.073727] fff00000c6472f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 20.073803] fff00000c6472f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 20.073845] >fff00000c6473000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.074109] ^ [ 20.074196] fff00000c6473080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 20.074273] fff00000c6473100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.074361] ==================================================================
[ 13.695975] ================================================================== [ 13.696751] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 13.697567] Free of addr ffff888102b0c001 by task kunit_try_catch/228 [ 13.698210] [ 13.698483] CPU: 0 UID: 0 PID: 228 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 13.698532] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.698544] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.698566] Call Trace: [ 13.698579] <TASK> [ 13.698598] dump_stack_lvl+0x73/0xb0 [ 13.698629] print_report+0xd1/0x650 [ 13.698690] ? __virt_addr_valid+0x1db/0x2d0 [ 13.698716] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.698752] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.698777] kasan_report_invalid_free+0x10a/0x130 [ 13.698800] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.698825] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.698847] check_slab_allocation+0x11f/0x130 [ 13.698868] __kasan_slab_pre_free+0x28/0x40 [ 13.698887] kmem_cache_free+0xed/0x420 [ 13.698906] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.698925] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.698952] kmem_cache_invalid_free+0x1d8/0x460 [ 13.698975] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 13.698997] ? finish_task_switch.isra.0+0x153/0x700 [ 13.699019] ? __switch_to+0x47/0xf50 [ 13.699058] ? __pfx_read_tsc+0x10/0x10 [ 13.699078] ? ktime_get_ts64+0x86/0x230 [ 13.699103] kunit_try_run_case+0x1a5/0x480 [ 13.699128] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.699149] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.699172] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.699195] ? __kthread_parkme+0x82/0x180 [ 13.699215] ? preempt_count_sub+0x50/0x80 [ 13.699237] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.699259] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.699281] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.699302] kthread+0x337/0x6f0 [ 13.699320] ? trace_preempt_on+0x20/0xc0 [ 13.699343] ? __pfx_kthread+0x10/0x10 [ 13.699362] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.699383] ? calculate_sigpending+0x7b/0xa0 [ 13.699406] ? __pfx_kthread+0x10/0x10 [ 13.699427] ret_from_fork+0x116/0x1d0 [ 13.699444] ? __pfx_kthread+0x10/0x10 [ 13.699463] ret_from_fork_asm+0x1a/0x30 [ 13.699494] </TASK> [ 13.699505] [ 13.713531] Allocated by task 228: [ 13.713765] kasan_save_stack+0x45/0x70 [ 13.713914] kasan_save_track+0x18/0x40 [ 13.714075] kasan_save_alloc_info+0x3b/0x50 [ 13.714325] __kasan_slab_alloc+0x91/0xa0 [ 13.714780] kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.714996] kmem_cache_invalid_free+0x157/0x460 [ 13.715185] kunit_try_run_case+0x1a5/0x480 [ 13.715393] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.715928] kthread+0x337/0x6f0 [ 13.716281] ret_from_fork+0x116/0x1d0 [ 13.716435] ret_from_fork_asm+0x1a/0x30 [ 13.716868] [ 13.717069] The buggy address belongs to the object at ffff888102b0c000 [ 13.717069] which belongs to the cache test_cache of size 200 [ 13.717751] The buggy address is located 1 bytes inside of [ 13.717751] 200-byte region [ffff888102b0c000, ffff888102b0c0c8) [ 13.718107] [ 13.718270] The buggy address belongs to the physical page: [ 13.718844] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b0c [ 13.719628] flags: 0x200000000000000(node=0|zone=2) [ 13.720140] page_type: f5(slab) [ 13.720468] raw: 0200000000000000 ffff88810161c780 dead000000000122 0000000000000000 [ 13.721269] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.721925] page dumped because: kasan: bad access detected [ 13.722468] [ 13.722594] Memory state around the buggy address: [ 13.723031] ffff888102b0bf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.723416] ffff888102b0bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.723895] >ffff888102b0c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.724557] ^ [ 13.724907] ffff888102b0c080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.725279] ffff888102b0c100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.725780] ==================================================================