Date
June 7, 2025, 10:40 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.354391] ================================================================== [ 22.356174] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x190/0x3d8 [ 22.357118] Free of addr fff00000c41fd001 by task kunit_try_catch/199 [ 22.358174] [ 22.358337] CPU: 1 UID: 0 PID: 199 Comm: kunit_try_catch Tainted: G B N 6.12.33-rc1 #1 [ 22.358448] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.358480] Hardware name: linux,dummy-virt (DT) [ 22.358522] Call trace: [ 22.358549] dump_backtrace+0x9c/0x128 [ 22.358607] show_stack+0x20/0x38 [ 22.358648] dump_stack_lvl+0x8c/0xd0 [ 22.358698] print_report+0x118/0x5f0 [ 22.358743] kasan_report_invalid_free+0xc0/0xe8 [ 22.358793] check_slab_allocation+0xfc/0x108 [ 22.358839] __kasan_slab_pre_free+0x2c/0x48 [ 22.358885] kmem_cache_free+0xf0/0x460 [ 22.358932] kmem_cache_invalid_free+0x190/0x3d8 [ 22.359008] kunit_try_run_case+0x170/0x3f0 [ 22.359065] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.359119] kthread+0x24c/0x2d0 [ 22.359164] ret_from_fork+0x10/0x20 [ 22.359213] [ 22.368182] Allocated by task 199: [ 22.368576] kasan_save_stack+0x3c/0x68 [ 22.369184] kasan_save_track+0x20/0x40 [ 22.369903] kasan_save_alloc_info+0x40/0x58 [ 22.370502] __kasan_slab_alloc+0xa8/0xb0 [ 22.371017] kmem_cache_alloc_noprof+0xf8/0x300 [ 22.371829] kmem_cache_invalid_free+0x130/0x3d8 [ 22.372383] kunit_try_run_case+0x170/0x3f0 [ 22.373023] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.373721] kthread+0x24c/0x2d0 [ 22.374204] ret_from_fork+0x10/0x20 [ 22.374778] [ 22.375132] The buggy address belongs to the object at fff00000c41fd000 [ 22.375132] which belongs to the cache test_cache of size 200 [ 22.376619] The buggy address is located 1 bytes inside of [ 22.376619] 200-byte region [fff00000c41fd000, fff00000c41fd0c8) [ 22.377805] [ 22.378216] The buggy address belongs to the physical page: [ 22.378787] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1041fd [ 22.379751] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.380680] page_type: f5(slab) [ 22.381234] raw: 0bfffe0000000000 fff00000c4182140 dead000000000122 0000000000000000 [ 22.382117] raw: 0000000000000000 00000000800f000f 00000001f5000000 0000000000000000 [ 22.382928] page dumped because: kasan: bad access detected [ 22.383581] [ 22.383883] Memory state around the buggy address: [ 22.384427] fff00000c41fcf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 22.385260] fff00000c41fcf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 22.385942] >fff00000c41fd000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.386829] ^ [ 22.387305] fff00000c41fd080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 22.388363] fff00000c41fd100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.389667] ==================================================================
[ 18.885124] ================================================================== [ 18.886618] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d9/0x470 [ 18.887416] Free of addr ffff88810292e001 by task kunit_try_catch/216 [ 18.888128] [ 18.888429] CPU: 0 UID: 0 PID: 216 Comm: kunit_try_catch Tainted: G B N 6.12.33-rc1 #1 [ 18.888662] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.888696] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.888755] Call Trace: [ 18.888792] <TASK> [ 18.888913] dump_stack_lvl+0x73/0xb0 [ 18.889032] print_report+0xd1/0x640 [ 18.889117] ? __virt_addr_valid+0x1db/0x2d0 [ 18.889200] ? kasan_complete_mode_report_info+0x2a/0x200 [ 18.889293] ? kmem_cache_invalid_free+0x1d9/0x470 [ 18.889365] kasan_report_invalid_free+0xfc/0x120 [ 18.889450] ? kmem_cache_invalid_free+0x1d9/0x470 [ 18.889575] ? kmem_cache_invalid_free+0x1d9/0x470 [ 18.889609] check_slab_allocation+0x11f/0x130 [ 18.889644] __kasan_slab_pre_free+0x28/0x40 [ 18.889676] kmem_cache_free+0xee/0x400 [ 18.889710] ? kmem_cache_alloc_noprof+0x107/0x350 [ 18.889743] ? kmem_cache_invalid_free+0x1d9/0x470 [ 18.889777] kmem_cache_invalid_free+0x1d9/0x470 [ 18.889808] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 18.889861] ? finish_task_switch.isra.0+0x153/0x700 [ 18.889894] ? __switch_to+0x5d9/0xf60 [ 18.889931] ? __pfx_read_tsc+0x10/0x10 [ 18.889958] ? ktime_get_ts64+0x84/0x230 [ 18.889995] kunit_try_run_case+0x1a6/0x480 [ 18.890028] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.890056] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 18.890086] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 18.890121] ? __kthread_parkme+0x82/0x160 [ 18.890149] ? preempt_count_sub+0x50/0x80 [ 18.890177] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.890205] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 18.890268] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.890305] kthread+0x257/0x310 [ 18.890330] ? __pfx_kthread+0x10/0x10 [ 18.890356] ret_from_fork+0x41/0x80 [ 18.890385] ? __pfx_kthread+0x10/0x10 [ 18.890410] ret_from_fork_asm+0x1a/0x30 [ 18.890472] </TASK> [ 18.890517] [ 18.910031] Allocated by task 216: [ 18.910552] kasan_save_stack+0x45/0x70 [ 18.911085] kasan_save_track+0x18/0x40 [ 18.912152] kasan_save_alloc_info+0x3b/0x50 [ 18.912612] __kasan_slab_alloc+0x91/0xa0 [ 18.913269] kmem_cache_alloc_noprof+0x107/0x350 [ 18.913907] kmem_cache_invalid_free+0x158/0x470 [ 18.914363] kunit_try_run_case+0x1a6/0x480 [ 18.914966] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.915917] kthread+0x257/0x310 [ 18.916205] ret_from_fork+0x41/0x80 [ 18.917000] ret_from_fork_asm+0x1a/0x30 [ 18.917815] [ 18.918535] The buggy address belongs to the object at ffff88810292e000 [ 18.918535] which belongs to the cache test_cache of size 200 [ 18.919969] The buggy address is located 1 bytes inside of [ 18.919969] 200-byte region [ffff88810292e000, ffff88810292e0c8) [ 18.921258] [ 18.921444] The buggy address belongs to the physical page: [ 18.922325] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10292e [ 18.923355] flags: 0x200000000000000(node=0|zone=2) [ 18.924058] page_type: f5(slab) [ 18.924474] raw: 0200000000000000 ffff888101a84dc0 dead000000000122 0000000000000000 [ 18.925383] raw: 0000000000000000 00000000800f000f 00000001f5000000 0000000000000000 [ 18.926213] page dumped because: kasan: bad access detected [ 18.926564] [ 18.927209] Memory state around the buggy address: [ 18.927915] ffff88810292df00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.928636] ffff88810292df80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.930771] >ffff88810292e000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.931776] ^ [ 18.932456] ffff88810292e080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 18.933621] ffff88810292e100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.934007] ==================================================================