Date
May 23, 2025, 11:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 28.774145] ================================================================== [ 28.774419] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 28.774699] Free of addr fff00000c777e001 by task kunit_try_catch/213 [ 28.775052] [ 28.775266] CPU: 0 UID: 0 PID: 213 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc7 #1 PREEMPT [ 28.775556] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.775640] Hardware name: linux,dummy-virt (DT) [ 28.775743] Call trace: [ 28.776103] show_stack+0x20/0x38 (C) [ 28.776504] dump_stack_lvl+0x8c/0xd0 [ 28.776804] print_report+0x118/0x608 [ 28.776937] kasan_report_invalid_free+0xc0/0xe8 [ 28.777094] check_slab_allocation+0xfc/0x108 [ 28.777277] __kasan_slab_pre_free+0x2c/0x48 [ 28.777475] kmem_cache_free+0xf0/0x470 [ 28.777681] kmem_cache_invalid_free+0x184/0x3c8 [ 28.777898] kunit_try_run_case+0x170/0x3f0 [ 28.778111] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 28.778335] kthread+0x328/0x630 [ 28.778506] ret_from_fork+0x10/0x20 [ 28.778821] [ 28.778924] Allocated by task 213: [ 28.779013] kasan_save_stack+0x3c/0x68 [ 28.779143] kasan_save_track+0x20/0x40 [ 28.779257] kasan_save_alloc_info+0x40/0x58 [ 28.779386] __kasan_slab_alloc+0xa8/0xb0 [ 28.779509] kmem_cache_alloc_noprof+0x10c/0x3a0 [ 28.779632] kmem_cache_invalid_free+0x12c/0x3c8 [ 28.779854] kunit_try_run_case+0x170/0x3f0 [ 28.780015] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 28.780148] kthread+0x328/0x630 [ 28.780579] ret_from_fork+0x10/0x20 [ 28.780706] [ 28.780764] The buggy address belongs to the object at fff00000c777e000 [ 28.780764] which belongs to the cache test_cache of size 200 [ 28.780925] The buggy address is located 1 bytes inside of [ 28.780925] 200-byte region [fff00000c777e000, fff00000c777e0c8) [ 28.781069] [ 28.781126] The buggy address belongs to the physical page: [ 28.781631] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10777e [ 28.781925] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 28.782291] page_type: f5(slab) [ 28.782546] raw: 0bfffe0000000000 fff00000c11fd640 dead000000000122 0000000000000000 [ 28.783118] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 28.783343] page dumped because: kasan: bad access detected [ 28.783465] [ 28.783514] Memory state around the buggy address: [ 28.783605] fff00000c777df00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.784189] fff00000c777df80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.784623] >fff00000c777e000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 28.784746] ^ [ 28.784830] fff00000c777e080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 28.785324] fff00000c777e100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.785490] ==================================================================
[ 13.377438] ================================================================== [ 13.377876] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 13.378116] Free of addr ffff88810270b001 by task kunit_try_catch/230 [ 13.378327] [ 13.378525] CPU: 0 UID: 0 PID: 230 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc7 #1 PREEMPT(voluntary) [ 13.378573] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.378585] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.378607] Call Trace: [ 13.378620] <TASK> [ 13.378710] dump_stack_lvl+0x73/0xb0 [ 13.378742] print_report+0xd1/0x650 [ 13.378955] ? __virt_addr_valid+0x1db/0x2d0 [ 13.378985] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.379223] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.379250] kasan_report_invalid_free+0x10a/0x130 [ 13.379275] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.379308] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.379329] check_slab_allocation+0x11f/0x130 [ 13.379350] __kasan_slab_pre_free+0x28/0x40 [ 13.379371] kmem_cache_free+0xed/0x420 [ 13.379393] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.379413] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.379436] kmem_cache_invalid_free+0x1d8/0x460 [ 13.379456] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 13.379475] ? finish_task_switch.isra.0+0x153/0x700 [ 13.379500] ? __switch_to+0x5d9/0xf60 [ 13.379521] ? dequeue_task_fair+0x166/0x4e0 [ 13.379548] ? __pfx_read_tsc+0x10/0x10 [ 13.379568] ? ktime_get_ts64+0x86/0x230 [ 13.379593] kunit_try_run_case+0x1a5/0x480 [ 13.379617] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.379638] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.379662] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.379684] ? __kthread_parkme+0x82/0x180 [ 13.379706] ? preempt_count_sub+0x50/0x80 [ 13.379729] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.379751] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.379773] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.379794] kthread+0x337/0x6f0 [ 13.379810] ? trace_preempt_on+0x20/0xc0 [ 13.379834] ? __pfx_kthread+0x10/0x10 [ 13.379852] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.379872] ? calculate_sigpending+0x7b/0xa0 [ 13.379894] ? __pfx_kthread+0x10/0x10 [ 13.379912] ret_from_fork+0x41/0x80 [ 13.379932] ? __pfx_kthread+0x10/0x10 [ 13.379949] ret_from_fork_asm+0x1a/0x30 [ 13.379980] </TASK> [ 13.379992] [ 13.395441] Allocated by task 230: [ 13.395758] kasan_save_stack+0x45/0x70 [ 13.396260] kasan_save_track+0x18/0x40 [ 13.396607] kasan_save_alloc_info+0x3b/0x50 [ 13.396754] __kasan_slab_alloc+0x91/0xa0 [ 13.397054] kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.397574] kmem_cache_invalid_free+0x157/0x460 [ 13.398116] kunit_try_run_case+0x1a5/0x480 [ 13.398599] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.398841] kthread+0x337/0x6f0 [ 13.399320] ret_from_fork+0x41/0x80 [ 13.399672] ret_from_fork_asm+0x1a/0x30 [ 13.399956] [ 13.400151] The buggy address belongs to the object at ffff88810270b000 [ 13.400151] which belongs to the cache test_cache of size 200 [ 13.400704] The buggy address is located 1 bytes inside of [ 13.400704] 200-byte region [ffff88810270b000, ffff88810270b0c8) [ 13.401546] [ 13.401729] The buggy address belongs to the physical page: [ 13.402348] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10270b [ 13.403109] flags: 0x200000000000000(node=0|zone=2) [ 13.403695] page_type: f5(slab) [ 13.403827] raw: 0200000000000000 ffff888102707140 dead000000000122 0000000000000000 [ 13.404544] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.405207] page dumped because: kasan: bad access detected [ 13.405406] [ 13.405555] Memory state around the buggy address: [ 13.405741] ffff88810270af00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.405999] ffff88810270af80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.406323] >ffff88810270b000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.406846] ^ [ 13.407039] ffff88810270b080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.407393] ffff88810270b100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.407873] ==================================================================