Date
July 8, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.033283] ================================================================== [ 20.033348] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 20.033410] Free of addr fff00000c772d001 by task kunit_try_catch/211 [ 20.033452] [ 20.033495] CPU: 1 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 20.033775] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.033863] Hardware name: linux,dummy-virt (DT) [ 20.034025] Call trace: [ 20.034098] show_stack+0x20/0x38 (C) [ 20.034220] dump_stack_lvl+0x8c/0xd0 [ 20.034663] print_report+0x118/0x608 [ 20.035279] kasan_report_invalid_free+0xc0/0xe8 [ 20.035485] check_slab_allocation+0xfc/0x108 [ 20.035563] __kasan_slab_pre_free+0x2c/0x48 [ 20.035612] kmem_cache_free+0xf0/0x468 [ 20.035661] kmem_cache_invalid_free+0x184/0x3c8 [ 20.035711] kunit_try_run_case+0x170/0x3f0 [ 20.035759] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.035812] kthread+0x328/0x630 [ 20.035854] ret_from_fork+0x10/0x20 [ 20.036569] [ 20.036597] Allocated by task 211: [ 20.036651] kasan_save_stack+0x3c/0x68 [ 20.036699] kasan_save_track+0x20/0x40 [ 20.037212] kasan_save_alloc_info+0x40/0x58 [ 20.037272] __kasan_slab_alloc+0xa8/0xb0 [ 20.037610] kmem_cache_alloc_noprof+0x10c/0x398 [ 20.037681] kmem_cache_invalid_free+0x12c/0x3c8 [ 20.038023] kunit_try_run_case+0x170/0x3f0 [ 20.038328] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.038556] kthread+0x328/0x630 [ 20.038593] ret_from_fork+0x10/0x20 [ 20.038630] [ 20.039105] The buggy address belongs to the object at fff00000c772d000 [ 20.039105] which belongs to the cache test_cache of size 200 [ 20.039476] The buggy address is located 1 bytes inside of [ 20.039476] 200-byte region [fff00000c772d000, fff00000c772d0c8) [ 20.039604] [ 20.039626] The buggy address belongs to the physical page: [ 20.039659] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10772d [ 20.039990] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.040368] page_type: f5(slab) [ 20.040758] raw: 0bfffe0000000000 fff00000c63df280 dead000000000122 0000000000000000 [ 20.041074] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 20.041261] page dumped because: kasan: bad access detected [ 20.041298] [ 20.041397] Memory state around the buggy address: [ 20.041579] fff00000c772cf00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 20.041625] fff00000c772cf80: fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc [ 20.041671] >fff00000c772d000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.041709] ^ [ 20.041737] fff00000c772d080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 20.042434] fff00000c772d100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.042493] ==================================================================
[ 13.263184] ================================================================== [ 13.264001] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 13.264807] Free of addr ffff888102677001 by task kunit_try_catch/229 [ 13.265494] [ 13.265801] CPU: 1 UID: 0 PID: 229 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 13.265852] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.265863] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.265885] Call Trace: [ 13.265898] <TASK> [ 13.265918] dump_stack_lvl+0x73/0xb0 [ 13.265954] print_report+0xd1/0x650 [ 13.265978] ? __virt_addr_valid+0x1db/0x2d0 [ 13.266004] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.266027] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.266054] kasan_report_invalid_free+0x10a/0x130 [ 13.266078] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.266105] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.266130] check_slab_allocation+0x11f/0x130 [ 13.266152] __kasan_slab_pre_free+0x28/0x40 [ 13.266173] kmem_cache_free+0xed/0x420 [ 13.266193] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.266213] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.266241] kmem_cache_invalid_free+0x1d8/0x460 [ 13.266265] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 13.266289] ? finish_task_switch.isra.0+0x153/0x700 [ 13.266314] ? __switch_to+0x47/0xf50 [ 13.266343] ? __pfx_read_tsc+0x10/0x10 [ 13.266365] ? ktime_get_ts64+0x86/0x230 [ 13.266390] kunit_try_run_case+0x1a5/0x480 [ 13.266416] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.266439] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.266464] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.266487] ? __kthread_parkme+0x82/0x180 [ 13.266509] ? preempt_count_sub+0x50/0x80 [ 13.266531] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.266623] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.266648] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.266678] kthread+0x337/0x6f0 [ 13.266696] ? trace_preempt_on+0x20/0xc0 [ 13.266721] ? __pfx_kthread+0x10/0x10 [ 13.266741] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.266762] ? calculate_sigpending+0x7b/0xa0 [ 13.266787] ? __pfx_kthread+0x10/0x10 [ 13.266807] ret_from_fork+0x116/0x1d0 [ 13.266825] ? __pfx_kthread+0x10/0x10 [ 13.266845] ret_from_fork_asm+0x1a/0x30 [ 13.266878] </TASK> [ 13.266889] [ 13.282483] Allocated by task 229: [ 13.282755] kasan_save_stack+0x45/0x70 [ 13.283167] kasan_save_track+0x18/0x40 [ 13.283647] kasan_save_alloc_info+0x3b/0x50 [ 13.283929] __kasan_slab_alloc+0x91/0xa0 [ 13.284361] kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.284536] kmem_cache_invalid_free+0x157/0x460 [ 13.285020] kunit_try_run_case+0x1a5/0x480 [ 13.285404] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.285636] kthread+0x337/0x6f0 [ 13.285763] ret_from_fork+0x116/0x1d0 [ 13.285896] ret_from_fork_asm+0x1a/0x30 [ 13.286405] [ 13.286587] The buggy address belongs to the object at ffff888102677000 [ 13.286587] which belongs to the cache test_cache of size 200 [ 13.287944] The buggy address is located 1 bytes inside of [ 13.287944] 200-byte region [ffff888102677000, ffff8881026770c8) [ 13.288464] [ 13.288621] The buggy address belongs to the physical page: [ 13.289108] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102677 [ 13.290023] flags: 0x200000000000000(node=0|zone=2) [ 13.290224] page_type: f5(slab) [ 13.290346] raw: 0200000000000000 ffff888101d19b40 dead000000000122 0000000000000000 [ 13.290616] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.291269] page dumped because: kasan: bad access detected [ 13.291877] [ 13.292069] Memory state around the buggy address: [ 13.292483] ffff888102676f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.293342] ffff888102676f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.293720] >ffff888102677000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.293994] ^ [ 13.294298] ffff888102677080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.294986] ffff888102677100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.295621] ==================================================================