Date
July 10, 2025, 9:07 a.m.
Environment | |
---|---|
qemu-arm64 | |
qemu-x86_64 |
[ 30.288574] ================================================================== [ 30.288665] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 30.288738] Free of addr fff00000c9978001 by task kunit_try_catch/242 [ 30.288792] [ 30.288832] CPU: 1 UID: 0 PID: 242 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250710 #1 PREEMPT [ 30.288948] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.288979] Hardware name: linux,dummy-virt (DT) [ 30.289021] Call trace: [ 30.289046] show_stack+0x20/0x38 (C) [ 30.289101] dump_stack_lvl+0x8c/0xd0 [ 30.289169] print_report+0x118/0x5d0 [ 30.289216] kasan_report_invalid_free+0xc0/0xe8 [ 30.289310] check_slab_allocation+0xfc/0x108 [ 30.289395] __kasan_slab_pre_free+0x2c/0x48 [ 30.289919] kmem_cache_free+0xf0/0x468 [ 30.290007] kmem_cache_invalid_free+0x184/0x3c8 [ 30.290066] kunit_try_run_case+0x170/0x3f0 [ 30.290161] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.290227] kthread+0x328/0x630 [ 30.290272] ret_from_fork+0x10/0x20 [ 30.290325] [ 30.290343] Allocated by task 242: [ 30.290375] kasan_save_stack+0x3c/0x68 [ 30.290422] kasan_save_track+0x20/0x40 [ 30.290602] kasan_save_alloc_info+0x40/0x58 [ 30.290654] __kasan_slab_alloc+0xa8/0xb0 [ 30.290708] kmem_cache_alloc_noprof+0x10c/0x398 [ 30.290794] kmem_cache_invalid_free+0x12c/0x3c8 [ 30.290879] kunit_try_run_case+0x170/0x3f0 [ 30.290946] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.291011] kthread+0x328/0x630 [ 30.291070] ret_from_fork+0x10/0x20 [ 30.291117] [ 30.291147] The buggy address belongs to the object at fff00000c9978000 [ 30.291147] which belongs to the cache test_cache of size 200 [ 30.291350] The buggy address is located 1 bytes inside of [ 30.291350] 200-byte region [fff00000c9978000, fff00000c99780c8) [ 30.291436] [ 30.291458] The buggy address belongs to the physical page: [ 30.291506] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109978 [ 30.291579] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 30.291642] page_type: f5(slab) [ 30.291742] raw: 0bfffe0000000000 fff00000c3e373c0 dead000000000122 0000000000000000 [ 30.291872] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 30.291983] page dumped because: kasan: bad access detected [ 30.292094] [ 30.292162] Memory state around the buggy address: [ 30.292271] fff00000c9977f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 30.292329] fff00000c9977f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 30.292634] >fff00000c9978000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 30.292748] ^ [ 30.292849] fff00000c9978080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 30.292939] fff00000c9978100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.293044] ==================================================================
[ 25.813270] ================================================================== [ 25.813757] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 25.814437] Free of addr ffff888105852001 by task kunit_try_catch/259 [ 25.815044] [ 25.815245] CPU: 0 UID: 0 PID: 259 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250710 #1 PREEMPT(voluntary) [ 25.815305] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.815317] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.815341] Call Trace: [ 25.815354] <TASK> [ 25.815376] dump_stack_lvl+0x73/0xb0 [ 25.815408] print_report+0xd1/0x610 [ 25.815432] ? __virt_addr_valid+0x1db/0x2d0 [ 25.815458] ? kasan_complete_mode_report_info+0x2a/0x200 [ 25.815483] ? kmem_cache_invalid_free+0x1d8/0x460 [ 25.815507] kasan_report_invalid_free+0x10a/0x130 [ 25.815540] ? kmem_cache_invalid_free+0x1d8/0x460 [ 25.815566] ? kmem_cache_invalid_free+0x1d8/0x460 [ 25.815589] check_slab_allocation+0x11f/0x130 [ 25.815611] __kasan_slab_pre_free+0x28/0x40 [ 25.815631] kmem_cache_free+0xed/0x420 [ 25.815655] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 25.815678] ? kmem_cache_invalid_free+0x1d8/0x460 [ 25.815715] kmem_cache_invalid_free+0x1d8/0x460 [ 25.815739] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 25.815762] ? finish_task_switch.isra.0+0x153/0x700 [ 25.815795] ? __switch_to+0x47/0xf80 [ 25.815824] ? __pfx_read_tsc+0x10/0x10 [ 25.815852] ? ktime_get_ts64+0x86/0x230 [ 25.815878] kunit_try_run_case+0x1a5/0x480 [ 25.815901] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.815921] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.815946] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.815969] ? __kthread_parkme+0x82/0x180 [ 25.815989] ? preempt_count_sub+0x50/0x80 [ 25.816011] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.816032] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.816056] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.816081] kthread+0x337/0x6f0 [ 25.816100] ? trace_preempt_on+0x20/0xc0 [ 25.816124] ? __pfx_kthread+0x10/0x10 [ 25.816144] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.816165] ? calculate_sigpending+0x7b/0xa0 [ 25.816194] ? __pfx_kthread+0x10/0x10 [ 25.816215] ret_from_fork+0x116/0x1d0 [ 25.816234] ? __pfx_kthread+0x10/0x10 [ 25.816254] ret_from_fork_asm+0x1a/0x30 [ 25.816286] </TASK> [ 25.816298] [ 25.827812] Allocated by task 259: [ 25.828570] kasan_save_stack+0x45/0x70 [ 25.828962] kasan_save_track+0x18/0x40 [ 25.829117] kasan_save_alloc_info+0x3b/0x50 [ 25.829472] __kasan_slab_alloc+0x91/0xa0 [ 25.829676] kmem_cache_alloc_noprof+0x123/0x3f0 [ 25.830137] kmem_cache_invalid_free+0x157/0x460 [ 25.830380] kunit_try_run_case+0x1a5/0x480 [ 25.830733] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.831189] kthread+0x337/0x6f0 [ 25.831364] ret_from_fork+0x116/0x1d0 [ 25.831738] ret_from_fork_asm+0x1a/0x30 [ 25.832079] [ 25.832160] The buggy address belongs to the object at ffff888105852000 [ 25.832160] which belongs to the cache test_cache of size 200 [ 25.832918] The buggy address is located 1 bytes inside of [ 25.832918] 200-byte region [ffff888105852000, ffff8881058520c8) [ 25.833612] [ 25.833915] The buggy address belongs to the physical page: [ 25.834176] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105852 [ 25.834681] flags: 0x200000000000000(node=0|zone=2) [ 25.835153] page_type: f5(slab) [ 25.835431] raw: 0200000000000000 ffff888101ab3280 dead000000000122 0000000000000000 [ 25.836101] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 25.836419] page dumped because: kasan: bad access detected [ 25.836679] [ 25.837101] Memory state around the buggy address: [ 25.837301] ffff888105851f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.837865] ffff888105851f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.838247] >ffff888105852000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.838589] ^ [ 25.838764] ffff888105852080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 25.839356] ffff888105852100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.839790] ==================================================================