Date
July 16, 2025, 3:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.688892] ================================================================== [ 18.688956] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 18.689196] Free of addr fff00000c796c001 by task kunit_try_catch/243 [ 18.689592] [ 18.689644] CPU: 1 UID: 0 PID: 243 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 18.690040] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.690137] Hardware name: linux,dummy-virt (DT) [ 18.690214] Call trace: [ 18.690240] show_stack+0x20/0x38 (C) [ 18.690337] dump_stack_lvl+0x8c/0xd0 [ 18.690388] print_report+0x118/0x5d0 [ 18.690435] kasan_report_invalid_free+0xc0/0xe8 [ 18.690486] __kasan_mempool_poison_object+0xfc/0x150 [ 18.690538] mempool_free+0x28c/0x328 [ 18.690583] mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 18.690989] mempool_kmalloc_large_invalid_free+0xc0/0x118 [ 18.691276] kunit_try_run_case+0x170/0x3f0 [ 18.691411] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.691570] kthread+0x328/0x630 [ 18.691662] ret_from_fork+0x10/0x20 [ 18.691837] [ 18.691863] The buggy address belongs to the physical page: [ 18.691900] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10796c [ 18.692186] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 18.692304] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 18.692683] page_type: f8(unknown) [ 18.692860] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 18.692937] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 18.693174] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 18.694000] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 18.694248] head: 0bfffe0000000002 ffffc1ffc31e5b01 00000000ffffffff 00000000ffffffff [ 18.694344] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 18.694389] page dumped because: kasan: bad access detected [ 18.694502] [ 18.694530] Memory state around the buggy address: [ 18.694563] fff00000c796bf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 18.694607] fff00000c796bf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 18.694658] >fff00000c796c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.694705] ^ [ 18.694753] fff00000c796c080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.694812] fff00000c796c100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.694850] ================================================================== [ 18.669560] ================================================================== [ 18.669626] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 18.669685] Free of addr fff00000c5967b01 by task kunit_try_catch/241 [ 18.669745] [ 18.669776] CPU: 1 UID: 0 PID: 241 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 18.669859] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.669904] Hardware name: linux,dummy-virt (DT) [ 18.669936] Call trace: [ 18.669957] show_stack+0x20/0x38 (C) [ 18.670008] dump_stack_lvl+0x8c/0xd0 [ 18.670057] print_report+0x118/0x5d0 [ 18.670117] kasan_report_invalid_free+0xc0/0xe8 [ 18.670167] check_slab_allocation+0xfc/0x108 [ 18.670224] __kasan_mempool_poison_object+0x78/0x150 [ 18.670274] mempool_free+0x28c/0x328 [ 18.670321] mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 18.670372] mempool_kmalloc_invalid_free+0xc0/0x118 [ 18.670421] kunit_try_run_case+0x170/0x3f0 [ 18.670470] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.670532] kthread+0x328/0x630 [ 18.670585] ret_from_fork+0x10/0x20 [ 18.670642] [ 18.670666] Allocated by task 241: [ 18.670703] kasan_save_stack+0x3c/0x68 [ 18.671056] kasan_save_track+0x20/0x40 [ 18.671205] kasan_save_alloc_info+0x40/0x58 [ 18.671703] __kasan_mempool_unpoison_object+0x11c/0x180 [ 18.671776] remove_element+0x130/0x1f8 [ 18.671815] mempool_alloc_preallocated+0x58/0xc0 [ 18.671853] mempool_kmalloc_invalid_free_helper+0x94/0x2a8 [ 18.672312] mempool_kmalloc_invalid_free+0xc0/0x118 [ 18.672688] kunit_try_run_case+0x170/0x3f0 [ 18.672752] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.672795] kthread+0x328/0x630 [ 18.673214] ret_from_fork+0x10/0x20 [ 18.673689] [ 18.673724] The buggy address belongs to the object at fff00000c5967b00 [ 18.673724] which belongs to the cache kmalloc-128 of size 128 [ 18.674485] The buggy address is located 1 bytes inside of [ 18.674485] 128-byte region [fff00000c5967b00, fff00000c5967b80) [ 18.675118] [ 18.675200] The buggy address belongs to the physical page: [ 18.675235] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105967 [ 18.675354] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.675507] page_type: f5(slab) [ 18.675582] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.675706] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.675799] page dumped because: kasan: bad access detected [ 18.675895] [ 18.675984] Memory state around the buggy address: [ 18.676142] fff00000c5967a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.676202] fff00000c5967a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.676417] >fff00000c5967b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.676555] ^ [ 18.676643] fff00000c5967b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.676899] fff00000c5967c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.677056] ==================================================================
[ 14.335446] ================================================================== [ 14.335976] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.336493] Free of addr ffff88810307a301 by task kunit_try_catch/258 [ 14.336930] [ 14.337058] CPU: 1 UID: 0 PID: 258 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 14.337104] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.337117] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.337139] Call Trace: [ 14.337153] <TASK> [ 14.337228] dump_stack_lvl+0x73/0xb0 [ 14.337260] print_report+0xd1/0x610 [ 14.337521] ? __virt_addr_valid+0x1db/0x2d0 [ 14.337586] ? kasan_complete_mode_report_info+0x2a/0x200 [ 14.337610] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.337651] kasan_report_invalid_free+0x10a/0x130 [ 14.337677] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.337707] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.337733] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.337768] check_slab_allocation+0x11f/0x130 [ 14.337791] __kasan_mempool_poison_object+0x91/0x1d0 [ 14.337817] mempool_free+0x2ec/0x380 [ 14.337844] mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.337872] ? __pfx_mempool_kmalloc_invalid_free_helper+0x10/0x10 [ 14.337903] ? finish_task_switch.isra.0+0x153/0x700 [ 14.337931] mempool_kmalloc_invalid_free+0xed/0x140 [ 14.337956] ? __pfx_mempool_kmalloc_invalid_free+0x10/0x10 [ 14.338036] ? __pfx_mempool_kmalloc+0x10/0x10 [ 14.338062] ? __pfx_mempool_kfree+0x10/0x10 [ 14.338087] ? __pfx_read_tsc+0x10/0x10 [ 14.338109] ? ktime_get_ts64+0x86/0x230 [ 14.338133] kunit_try_run_case+0x1a5/0x480 [ 14.338159] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.338183] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.338208] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.338233] ? __kthread_parkme+0x82/0x180 [ 14.338254] ? preempt_count_sub+0x50/0x80 [ 14.338279] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.338303] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.338329] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.338356] kthread+0x337/0x6f0 [ 14.338375] ? trace_preempt_on+0x20/0xc0 [ 14.338399] ? __pfx_kthread+0x10/0x10 [ 14.338420] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.338443] ? calculate_sigpending+0x7b/0xa0 [ 14.338469] ? __pfx_kthread+0x10/0x10 [ 14.338490] ret_from_fork+0x116/0x1d0 [ 14.338509] ? __pfx_kthread+0x10/0x10 [ 14.338530] ret_from_fork_asm+0x1a/0x30 [ 14.338561] </TASK> [ 14.338571] [ 14.348958] Allocated by task 258: [ 14.349154] kasan_save_stack+0x45/0x70 [ 14.349311] kasan_save_track+0x18/0x40 [ 14.349642] kasan_save_alloc_info+0x3b/0x50 [ 14.349892] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 14.350127] remove_element+0x11e/0x190 [ 14.350463] mempool_alloc_preallocated+0x4d/0x90 [ 14.350645] mempool_kmalloc_invalid_free_helper+0x83/0x2e0 [ 14.350839] mempool_kmalloc_invalid_free+0xed/0x140 [ 14.351292] kunit_try_run_case+0x1a5/0x480 [ 14.351523] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.351795] kthread+0x337/0x6f0 [ 14.352141] ret_from_fork+0x116/0x1d0 [ 14.352322] ret_from_fork_asm+0x1a/0x30 [ 14.352553] [ 14.352627] The buggy address belongs to the object at ffff88810307a300 [ 14.352627] which belongs to the cache kmalloc-128 of size 128 [ 14.353338] The buggy address is located 1 bytes inside of [ 14.353338] 128-byte region [ffff88810307a300, ffff88810307a380) [ 14.353909] [ 14.354031] The buggy address belongs to the physical page: [ 14.354343] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10307a [ 14.354684] flags: 0x200000000000000(node=0|zone=2) [ 14.354986] page_type: f5(slab) [ 14.355161] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 14.355592] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 14.356231] page dumped because: kasan: bad access detected [ 14.356497] [ 14.356638] Memory state around the buggy address: [ 14.356858] ffff88810307a200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.357167] ffff88810307a280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.357612] >ffff88810307a300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.358004] ^ [ 14.358145] ffff88810307a380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.358434] ffff88810307a400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.358734] ================================================================== [ 14.362205] ================================================================== [ 14.362643] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.362914] Free of addr ffff888103a20001 by task kunit_try_catch/260 [ 14.363115] [ 14.363209] CPU: 0 UID: 0 PID: 260 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 14.363254] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.363267] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.363288] Call Trace: [ 14.363300] <TASK> [ 14.363317] dump_stack_lvl+0x73/0xb0 [ 14.363346] print_report+0xd1/0x610 [ 14.363368] ? __virt_addr_valid+0x1db/0x2d0 [ 14.363391] ? kasan_addr_to_slab+0x11/0xa0 [ 14.363411] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.363437] kasan_report_invalid_free+0x10a/0x130 [ 14.363461] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.363489] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.363514] __kasan_mempool_poison_object+0x102/0x1d0 [ 14.363539] mempool_free+0x2ec/0x380 [ 14.363565] mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.363591] ? __pfx_mempool_kmalloc_invalid_free_helper+0x10/0x10 [ 14.363615] ? update_load_avg+0x1be/0x21b0 [ 14.363638] ? update_load_avg+0x1be/0x21b0 [ 14.363659] ? update_curr+0x80/0x810 [ 14.363680] ? finish_task_switch.isra.0+0x153/0x700 [ 14.363706] mempool_kmalloc_large_invalid_free+0xed/0x140 [ 14.363730] ? __pfx_mempool_kmalloc_large_invalid_free+0x10/0x10 [ 14.364361] ? __pfx_mempool_kmalloc+0x10/0x10 [ 14.364403] ? __pfx_mempool_kfree+0x10/0x10 [ 14.364445] ? __pfx_read_tsc+0x10/0x10 [ 14.364468] ? ktime_get_ts64+0x86/0x230 [ 14.364497] kunit_try_run_case+0x1a5/0x480 [ 14.364523] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.364547] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.364573] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.364641] ? __kthread_parkme+0x82/0x180 [ 14.364663] ? preempt_count_sub+0x50/0x80 [ 14.364687] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.364712] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.364738] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.364780] kthread+0x337/0x6f0 [ 14.364799] ? trace_preempt_on+0x20/0xc0 [ 14.364824] ? __pfx_kthread+0x10/0x10 [ 14.364844] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.364866] ? calculate_sigpending+0x7b/0xa0 [ 14.364891] ? __pfx_kthread+0x10/0x10 [ 14.364912] ret_from_fork+0x116/0x1d0 [ 14.364931] ? __pfx_kthread+0x10/0x10 [ 14.364953] ret_from_fork_asm+0x1a/0x30 [ 14.365616] </TASK> [ 14.365629] [ 14.378228] The buggy address belongs to the physical page: [ 14.378479] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a20 [ 14.378804] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 14.379243] flags: 0x200000000000040(head|node=0|zone=2) [ 14.379433] page_type: f8(unknown) [ 14.379592] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 14.379844] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 14.380463] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 14.380839] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 14.381285] head: 0200000000000002 ffffea00040e8801 00000000ffffffff 00000000ffffffff [ 14.381661] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 14.382087] page dumped because: kasan: bad access detected [ 14.382318] [ 14.382414] Memory state around the buggy address: [ 14.382600] ffff888103a1ff00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 14.382830] ffff888103a1ff80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 14.383248] >ffff888103a20000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.383595] ^ [ 14.383772] ffff888103a20080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.384166] ffff888103a20100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.384478] ==================================================================