Date
July 5, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.867354] ================================================================== [ 18.867425] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 18.867499] Free of addr fff00000c7847001 by task kunit_try_catch/211 [ 18.867543] [ 18.867582] CPU: 0 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 18.867664] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.867728] Hardware name: linux,dummy-virt (DT) [ 18.868004] Call trace: [ 18.868074] show_stack+0x20/0x38 (C) [ 18.868266] dump_stack_lvl+0x8c/0xd0 [ 18.868339] print_report+0x118/0x608 [ 18.868437] kasan_report_invalid_free+0xc0/0xe8 [ 18.868529] check_slab_allocation+0xfc/0x108 [ 18.868576] __kasan_slab_pre_free+0x2c/0x48 [ 18.868623] kmem_cache_free+0xf0/0x468 [ 18.868670] kmem_cache_invalid_free+0x184/0x3c8 [ 18.868717] kunit_try_run_case+0x170/0x3f0 [ 18.868766] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.868851] kthread+0x328/0x630 [ 18.868895] ret_from_fork+0x10/0x20 [ 18.868989] [ 18.869008] Allocated by task 211: [ 18.869094] kasan_save_stack+0x3c/0x68 [ 18.869207] kasan_save_track+0x20/0x40 [ 18.869304] kasan_save_alloc_info+0x40/0x58 [ 18.869407] __kasan_slab_alloc+0xa8/0xb0 [ 18.869482] kmem_cache_alloc_noprof+0x10c/0x398 [ 18.869522] kmem_cache_invalid_free+0x12c/0x3c8 [ 18.869785] kunit_try_run_case+0x170/0x3f0 [ 18.869868] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.869975] kthread+0x328/0x630 [ 18.870128] ret_from_fork+0x10/0x20 [ 18.870258] [ 18.870296] The buggy address belongs to the object at fff00000c7847000 [ 18.870296] which belongs to the cache test_cache of size 200 [ 18.870479] The buggy address is located 1 bytes inside of [ 18.870479] 200-byte region [fff00000c7847000, fff00000c78470c8) [ 18.870637] [ 18.870732] The buggy address belongs to the physical page: [ 18.870842] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107847 [ 18.871059] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.871160] page_type: f5(slab) [ 18.871220] raw: 0bfffe0000000000 fff00000c595ddc0 dead000000000122 0000000000000000 [ 18.871591] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 18.871677] page dumped because: kasan: bad access detected [ 18.871815] [ 18.871942] Memory state around the buggy address: [ 18.872075] fff00000c7846f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.872120] fff00000c7846f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.872180] >fff00000c7847000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.872222] ^ [ 18.872249] fff00000c7847080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 18.872533] fff00000c7847100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.872649] ==================================================================
[ 14.411655] ================================================================== [ 14.412361] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 14.412740] Free of addr ffff888102a05001 by task kunit_try_catch/229 [ 14.413100] [ 14.413287] CPU: 1 UID: 0 PID: 229 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 14.413349] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.413363] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.413388] Call Trace: [ 14.413404] <TASK> [ 14.413425] dump_stack_lvl+0x73/0xb0 [ 14.413462] print_report+0xd1/0x650 [ 14.413488] ? __virt_addr_valid+0x1db/0x2d0 [ 14.413517] ? kasan_complete_mode_report_info+0x2a/0x200 [ 14.413541] ? kmem_cache_invalid_free+0x1d8/0x460 [ 14.413571] kasan_report_invalid_free+0x10a/0x130 [ 14.413598] ? kmem_cache_invalid_free+0x1d8/0x460 [ 14.413630] ? kmem_cache_invalid_free+0x1d8/0x460 [ 14.413658] check_slab_allocation+0x11f/0x130 [ 14.413684] __kasan_slab_pre_free+0x28/0x40 [ 14.413707] kmem_cache_free+0xed/0x420 [ 14.413731] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 14.413753] ? kmem_cache_invalid_free+0x1d8/0x460 [ 14.413784] kmem_cache_invalid_free+0x1d8/0x460 [ 14.413824] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 14.413850] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 14.413884] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 14.413916] kunit_try_run_case+0x1a5/0x480 [ 14.413945] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.413971] ? queued_spin_lock_slowpath+0x116/0xb40 [ 14.413999] ? __kthread_parkme+0x82/0x180 [ 14.414023] ? preempt_count_sub+0x50/0x80 [ 14.414050] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.414099] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.414310] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.414344] kthread+0x337/0x6f0 [ 14.414367] ? trace_preempt_on+0x20/0xc0 [ 14.414395] ? __pfx_kthread+0x10/0x10 [ 14.414419] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.414445] ? calculate_sigpending+0x7b/0xa0 [ 14.414472] ? __pfx_kthread+0x10/0x10 [ 14.414496] ret_from_fork+0x116/0x1d0 [ 14.414519] ? __pfx_kthread+0x10/0x10 [ 14.414542] ret_from_fork_asm+0x1a/0x30 [ 14.414578] </TASK> [ 14.414594] [ 14.431307] Allocated by task 229: [ 14.431848] kasan_save_stack+0x45/0x70 [ 14.432405] kasan_save_track+0x18/0x40 [ 14.432779] kasan_save_alloc_info+0x3b/0x50 [ 14.432969] __kasan_slab_alloc+0x91/0xa0 [ 14.433204] kmem_cache_alloc_noprof+0x123/0x3f0 [ 14.433858] kmem_cache_invalid_free+0x157/0x460 [ 14.434454] kunit_try_run_case+0x1a5/0x480 [ 14.434920] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.435578] kthread+0x337/0x6f0 [ 14.435734] ret_from_fork+0x116/0x1d0 [ 14.435906] ret_from_fork_asm+0x1a/0x30 [ 14.436068] [ 14.436184] The buggy address belongs to the object at ffff888102a05000 [ 14.436184] which belongs to the cache test_cache of size 200 [ 14.437033] The buggy address is located 1 bytes inside of [ 14.437033] 200-byte region [ffff888102a05000, ffff888102a050c8) [ 14.438039] [ 14.438276] The buggy address belongs to the physical page: [ 14.438710] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a05 [ 14.439568] flags: 0x200000000000000(node=0|zone=2) [ 14.439971] page_type: f5(slab) [ 14.440177] raw: 0200000000000000 ffff888101a64b40 dead000000000122 0000000000000000 [ 14.440802] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 14.441508] page dumped because: kasan: bad access detected [ 14.441926] [ 14.442066] Memory state around the buggy address: [ 14.442827] ffff888102a04f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.443180] ffff888102a04f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.443651] >ffff888102a05000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.444021] ^ [ 14.444643] ffff888102a05080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 14.445140] ffff888102a05100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.445833] ==================================================================