Date
Nov. 20, 2024, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 37.936519] ================================================================== [ 37.937416] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3b8 [ 37.938844] Free of addr fff00000c65af001 by task kunit_try_catch/200 [ 37.940097] [ 37.940492] CPU: 1 UID: 0 PID: 200 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241120 #1 [ 37.941694] Tainted: [B]=BAD_PAGE, [N]=TEST [ 37.942197] Hardware name: linux,dummy-virt (DT) [ 37.942755] Call trace: [ 37.943181] show_stack+0x20/0x38 (C) [ 37.943693] dump_stack_lvl+0x8c/0xd0 [ 37.944294] print_report+0x118/0x5e0 [ 37.944909] kasan_report_invalid_free+0xb0/0xd8 [ 37.945765] check_slab_allocation+0xfc/0x108 [ 37.946331] __kasan_slab_pre_free+0x2c/0x48 [ 37.946846] kmem_cache_free+0xf0/0x470 [ 37.947308] kmem_cache_invalid_free+0x184/0x3b8 [ 37.947970] kunit_try_run_case+0x14c/0x3d0 [ 37.948504] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.949228] kthread+0x24c/0x2d0 [ 37.950154] ret_from_fork+0x10/0x20 [ 37.950695] [ 37.951033] Allocated by task 200: [ 37.951533] kasan_save_stack+0x3c/0x68 [ 37.952115] kasan_save_track+0x20/0x40 [ 37.952704] kasan_save_alloc_info+0x40/0x58 [ 37.953309] __kasan_slab_alloc+0xa8/0xb0 [ 37.954087] kmem_cache_alloc_noprof+0x108/0x3a0 [ 37.954672] kmem_cache_invalid_free+0x12c/0x3b8 [ 37.955223] kunit_try_run_case+0x14c/0x3d0 [ 37.955938] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.956645] kthread+0x24c/0x2d0 [ 37.957137] ret_from_fork+0x10/0x20 [ 37.958285] [ 37.958578] The buggy address belongs to the object at fff00000c65af000 [ 37.958578] which belongs to the cache test_cache of size 200 [ 37.959843] The buggy address is located 1 bytes inside of [ 37.959843] 200-byte region [fff00000c65af000, fff00000c65af0c8) [ 37.961281] [ 37.961671] The buggy address belongs to the physical page: [ 37.962622] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065af [ 37.963438] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 37.964247] page_type: f5(slab) [ 37.964722] raw: 0bfffe0000000000 fff00000c59d3640 dead000000000122 0000000000000000 [ 37.965764] raw: 0000000000000000 00000000800f000f 00000001f5000000 0000000000000000 [ 37.966830] page dumped because: kasan: bad access detected [ 37.967483] [ 37.967815] Memory state around the buggy address: [ 37.968452] fff00000c65aef00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 37.969213] fff00000c65aef80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 37.970095] >fff00000c65af000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.970916] ^ [ 37.971361] fff00000c65af080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 37.972170] fff00000c65af100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.973077] ==================================================================
[ 29.491408] ================================================================== [ 29.492496] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d9/0x470 [ 29.493062] Free of addr ffff8881029ed001 by task kunit_try_catch/218 [ 29.493806] [ 29.493986] CPU: 1 UID: 0 PID: 218 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241120 #1 [ 29.495189] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.495676] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 29.496985] Call Trace: [ 29.497551] <TASK> [ 29.497899] dump_stack_lvl+0x73/0xb0 [ 29.498400] print_report+0xd1/0x640 [ 29.498903] ? __virt_addr_valid+0x1db/0x2d0 [ 29.499408] ? kmem_cache_invalid_free+0x1d9/0x470 [ 29.499990] ? kasan_complete_mode_report_info+0x2a/0x200 [ 29.500801] ? kmem_cache_invalid_free+0x1d9/0x470 [ 29.501494] kasan_report_invalid_free+0xc0/0xf0 [ 29.501956] ? kmem_cache_invalid_free+0x1d9/0x470 [ 29.502397] ? kmem_cache_invalid_free+0x1d9/0x470 [ 29.503297] check_slab_allocation+0x11f/0x130 [ 29.504088] __kasan_slab_pre_free+0x28/0x40 [ 29.504418] kmem_cache_free+0xee/0x420 [ 29.504913] ? kmem_cache_alloc_noprof+0x11e/0x3f0 [ 29.505819] ? kmem_cache_invalid_free+0x1d9/0x470 [ 29.506392] kmem_cache_invalid_free+0x1d9/0x470 [ 29.506904] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 29.507715] ? finish_task_switch.isra.0+0x153/0x700 [ 29.508316] ? __switch_to+0x5d9/0xf60 [ 29.508630] ? __pfx_read_tsc+0x10/0x10 [ 29.509299] ? ktime_get_ts64+0x84/0x230 [ 29.510022] kunit_try_run_case+0x1b3/0x490 [ 29.510394] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.511093] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 29.511523] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 29.512272] ? __kthread_parkme+0x82/0x160 [ 29.512842] ? preempt_count_sub+0x50/0x80 [ 29.513255] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.513888] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 29.514809] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.515528] kthread+0x257/0x310 [ 29.516107] ? __pfx_kthread+0x10/0x10 [ 29.516613] ret_from_fork+0x41/0x80 [ 29.517133] ? __pfx_kthread+0x10/0x10 [ 29.517841] ret_from_fork_asm+0x1a/0x30 [ 29.518529] </TASK> [ 29.518894] [ 29.519222] Allocated by task 218: [ 29.519614] kasan_save_stack+0x3d/0x60 [ 29.520235] kasan_save_track+0x18/0x40 [ 29.520743] kasan_save_alloc_info+0x3b/0x50 [ 29.521245] __kasan_slab_alloc+0x91/0xa0 [ 29.521813] kmem_cache_alloc_noprof+0x11e/0x3f0 [ 29.522370] kmem_cache_invalid_free+0x158/0x470 [ 29.522756] kunit_try_run_case+0x1b3/0x490 [ 29.523052] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.523818] kthread+0x257/0x310 [ 29.524284] ret_from_fork+0x41/0x80 [ 29.524625] ret_from_fork_asm+0x1a/0x30 [ 29.525029] [ 29.525363] The buggy address belongs to the object at ffff8881029ed000 [ 29.525363] which belongs to the cache test_cache of size 200 [ 29.526809] The buggy address is located 1 bytes inside of [ 29.526809] 200-byte region [ffff8881029ed000, ffff8881029ed0c8) [ 29.527418] [ 29.527589] The buggy address belongs to the physical page: [ 29.528501] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029ed [ 29.530081] flags: 0x200000000000000(node=0|zone=2) [ 29.530669] page_type: f5(slab) [ 29.531090] raw: 0200000000000000 ffff888101ebc780 dead000000000122 0000000000000000 [ 29.532389] raw: 0000000000000000 00000000800f000f 00000001f5000000 0000000000000000 [ 29.534237] page dumped because: kasan: bad access detected [ 29.535465] [ 29.535753] Memory state around the buggy address: [ 29.536223] ffff8881029ecf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.536979] ffff8881029ecf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.537840] >ffff8881029ed000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.538753] ^ [ 29.539014] ffff8881029ed080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 29.539837] ffff8881029ed100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.540811] ==================================================================