Date
June 24, 2025, 12:47 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 26.957303] ================================================================== [ 26.957475] BUG: KASAN: slab-use-after-free in mempool_uaf_helper+0x314/0x340 [ 26.957621] Read of size 1 at addr fff00000c5a6e240 by task kunit_try_catch/233 [ 26.957738] [ 26.957814] CPU: 1 UID: 0 PID: 233 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT [ 26.958014] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.958076] Hardware name: linux,dummy-virt (DT) [ 26.958150] Call trace: [ 26.958205] show_stack+0x20/0x38 (C) [ 26.958323] dump_stack_lvl+0x8c/0xd0 [ 26.958473] print_report+0x118/0x608 [ 26.958645] kasan_report+0xdc/0x128 [ 26.958856] __asan_report_load1_noabort+0x20/0x30 [ 26.959029] mempool_uaf_helper+0x314/0x340 [ 26.959173] mempool_slab_uaf+0xc0/0x118 [ 26.959295] kunit_try_run_case+0x170/0x3f0 [ 26.959529] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.959670] kthread+0x328/0x630 [ 26.959807] ret_from_fork+0x10/0x20 [ 26.960085] [ 26.960171] Allocated by task 233: [ 26.960342] kasan_save_stack+0x3c/0x68 [ 26.960984] kasan_save_track+0x20/0x40 [ 26.961055] kasan_save_alloc_info+0x40/0x58 [ 26.961156] __kasan_mempool_unpoison_object+0xbc/0x180 [ 26.961281] remove_element+0x16c/0x1f8 [ 26.961409] mempool_alloc_preallocated+0x58/0xc0 [ 26.961598] mempool_uaf_helper+0xa4/0x340 [ 26.962067] mempool_slab_uaf+0xc0/0x118 [ 26.962573] kunit_try_run_case+0x170/0x3f0 [ 26.962678] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.963662] kthread+0x328/0x630 [ 26.963830] ret_from_fork+0x10/0x20 [ 26.964623] [ 26.964684] Freed by task 233: [ 26.964768] kasan_save_stack+0x3c/0x68 [ 26.964870] kasan_save_track+0x20/0x40 [ 26.964974] kasan_save_free_info+0x4c/0x78 [ 26.965064] __kasan_mempool_poison_object+0xc0/0x150 [ 26.965166] mempool_free+0x28c/0x328 [ 26.965258] mempool_uaf_helper+0x104/0x340 [ 26.965363] mempool_slab_uaf+0xc0/0x118 [ 26.965474] kunit_try_run_case+0x170/0x3f0 [ 26.965573] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.965737] kthread+0x328/0x630 [ 26.965874] ret_from_fork+0x10/0x20 [ 26.966123] [ 26.966238] The buggy address belongs to the object at fff00000c5a6e240 [ 26.966238] which belongs to the cache test_cache of size 123 [ 26.966411] The buggy address is located 0 bytes inside of [ 26.966411] freed 123-byte region [fff00000c5a6e240, fff00000c5a6e2bb) [ 26.966561] [ 26.966619] The buggy address belongs to the physical page: [ 26.966706] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a6e [ 26.966849] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 26.966986] page_type: f5(slab) [ 26.967100] raw: 0bfffe0000000000 fff00000c5a5d280 dead000000000122 0000000000000000 [ 26.967311] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 26.967450] page dumped because: kasan: bad access detected [ 26.967543] [ 26.967597] Memory state around the buggy address: [ 26.967689] fff00000c5a6e100: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 26.967817] fff00000c5a6e180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.967990] >fff00000c5a6e200: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 26.968138] ^ [ 26.968248] fff00000c5a6e280: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 26.968781] fff00000c5a6e300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.968905] ================================================================== [ 26.882112] ================================================================== [ 26.882574] BUG: KASAN: slab-use-after-free in mempool_uaf_helper+0x314/0x340 [ 26.882759] Read of size 1 at addr fff00000c597ae00 by task kunit_try_catch/229 [ 26.883063] [ 26.883150] CPU: 1 UID: 0 PID: 229 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT [ 26.883353] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.883434] Hardware name: linux,dummy-virt (DT) [ 26.883528] Call trace: [ 26.883597] show_stack+0x20/0x38 (C) [ 26.883830] dump_stack_lvl+0x8c/0xd0 [ 26.883999] print_report+0x118/0x608 [ 26.884273] kasan_report+0xdc/0x128 [ 26.884406] __asan_report_load1_noabort+0x20/0x30 [ 26.884564] mempool_uaf_helper+0x314/0x340 [ 26.884799] mempool_kmalloc_uaf+0xc4/0x120 [ 26.884931] kunit_try_run_case+0x170/0x3f0 [ 26.885100] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.885277] kthread+0x328/0x630 [ 26.885528] ret_from_fork+0x10/0x20 [ 26.885783] [ 26.885866] Allocated by task 229: [ 26.886065] kasan_save_stack+0x3c/0x68 [ 26.886177] kasan_save_track+0x20/0x40 [ 26.886460] kasan_save_alloc_info+0x40/0x58 [ 26.886606] __kasan_mempool_unpoison_object+0x11c/0x180 [ 26.886760] remove_element+0x130/0x1f8 [ 26.886926] mempool_alloc_preallocated+0x58/0xc0 [ 26.888130] mempool_uaf_helper+0xa4/0x340 [ 26.888245] mempool_kmalloc_uaf+0xc4/0x120 [ 26.888357] kunit_try_run_case+0x170/0x3f0 [ 26.888486] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.888600] kthread+0x328/0x630 [ 26.889349] ret_from_fork+0x10/0x20 [ 26.889913] [ 26.889963] Freed by task 229: [ 26.890036] kasan_save_stack+0x3c/0x68 [ 26.890842] kasan_save_track+0x20/0x40 [ 26.891036] kasan_save_free_info+0x4c/0x78 [ 26.891392] __kasan_mempool_poison_object+0xc0/0x150 [ 26.891573] mempool_free+0x28c/0x328 [ 26.892206] mempool_uaf_helper+0x104/0x340 [ 26.892729] mempool_kmalloc_uaf+0xc4/0x120 [ 26.892835] kunit_try_run_case+0x170/0x3f0 [ 26.894500] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.894675] kthread+0x328/0x630 [ 26.894766] ret_from_fork+0x10/0x20 [ 26.894855] [ 26.894906] The buggy address belongs to the object at fff00000c597ae00 [ 26.894906] which belongs to the cache kmalloc-128 of size 128 [ 26.896847] The buggy address is located 0 bytes inside of [ 26.896847] freed 128-byte region [fff00000c597ae00, fff00000c597ae80) [ 26.898081] [ 26.898186] The buggy address belongs to the physical page: [ 26.898352] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10597a [ 26.899625] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 26.899894] page_type: f5(slab) [ 26.900059] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 26.900197] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 26.900404] page dumped because: kasan: bad access detected [ 26.901000] [ 26.901054] Memory state around the buggy address: [ 26.901132] fff00000c597ad00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.901912] fff00000c597ad80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.902128] >fff00000c597ae00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.902460] ^ [ 26.902547] fff00000c597ae80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.902720] fff00000c597af00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.902827] ==================================================================
[ 13.533219] ================================================================== [ 13.533763] BUG: KASAN: slab-use-after-free in mempool_uaf_helper+0x392/0x400 [ 13.534124] Read of size 1 at addr ffff8881029eb240 by task kunit_try_catch/251 [ 13.534676] [ 13.534913] CPU: 1 UID: 0 PID: 251 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT(voluntary) [ 13.535005] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.535027] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.535061] Call Trace: [ 13.535087] <TASK> [ 13.535120] dump_stack_lvl+0x73/0xb0 [ 13.535177] print_report+0xd1/0x650 [ 13.535214] ? __virt_addr_valid+0x1db/0x2d0 [ 13.535243] ? mempool_uaf_helper+0x392/0x400 [ 13.535271] ? kasan_complete_mode_report_info+0x64/0x200 [ 13.535306] ? mempool_uaf_helper+0x392/0x400 [ 13.535339] kasan_report+0x141/0x180 [ 13.535371] ? mempool_uaf_helper+0x392/0x400 [ 13.535409] __asan_report_load1_noabort+0x18/0x20 [ 13.535437] mempool_uaf_helper+0x392/0x400 [ 13.535469] ? __pfx_mempool_uaf_helper+0x10/0x10 [ 13.535504] ? finish_task_switch.isra.0+0x153/0x700 [ 13.535542] mempool_slab_uaf+0xea/0x140 [ 13.535573] ? __pfx_mempool_slab_uaf+0x10/0x10 [ 13.535598] ? dequeue_task_fair+0x166/0x4e0 [ 13.535645] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 13.535678] ? __pfx_mempool_free_slab+0x10/0x10 [ 13.535708] ? __pfx_read_tsc+0x10/0x10 [ 13.535738] ? ktime_get_ts64+0x86/0x230 [ 13.535770] kunit_try_run_case+0x1a5/0x480 [ 13.535795] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.535816] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.535839] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.535861] ? __kthread_parkme+0x82/0x180 [ 13.535884] ? preempt_count_sub+0x50/0x80 [ 13.535905] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.535927] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.535949] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.535970] kthread+0x337/0x6f0 [ 13.535986] ? trace_preempt_on+0x20/0xc0 [ 13.536009] ? __pfx_kthread+0x10/0x10 [ 13.536026] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.536046] ? calculate_sigpending+0x7b/0xa0 [ 13.536066] ? __pfx_kthread+0x10/0x10 [ 13.536083] ret_from_fork+0x41/0x80 [ 13.536102] ? __pfx_kthread+0x10/0x10 [ 13.536119] ret_from_fork_asm+0x1a/0x30 [ 13.536149] </TASK> [ 13.536162] [ 13.549809] Allocated by task 251: [ 13.550165] kasan_save_stack+0x45/0x70 [ 13.550940] kasan_save_track+0x18/0x40 [ 13.551167] kasan_save_alloc_info+0x3b/0x50 [ 13.551521] __kasan_mempool_unpoison_object+0x1bb/0x200 [ 13.551799] remove_element+0x11e/0x190 [ 13.551988] mempool_alloc_preallocated+0x4d/0x90 [ 13.552198] mempool_uaf_helper+0x96/0x400 [ 13.553185] mempool_slab_uaf+0xea/0x140 [ 13.553349] kunit_try_run_case+0x1a5/0x480 [ 13.554157] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.554613] kthread+0x337/0x6f0 [ 13.554798] ret_from_fork+0x41/0x80 [ 13.555396] ret_from_fork_asm+0x1a/0x30 [ 13.555665] [ 13.556090] Freed by task 251: [ 13.556256] kasan_save_stack+0x45/0x70 [ 13.556554] kasan_save_track+0x18/0x40 [ 13.557448] kasan_save_free_info+0x3f/0x60 [ 13.558206] __kasan_mempool_poison_object+0x131/0x1d0 [ 13.558536] mempool_free+0x2ec/0x380 [ 13.558844] mempool_uaf_helper+0x11a/0x400 [ 13.558976] mempool_slab_uaf+0xea/0x140 [ 13.559097] kunit_try_run_case+0x1a5/0x480 [ 13.559274] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.560244] kthread+0x337/0x6f0 [ 13.560684] ret_from_fork+0x41/0x80 [ 13.561025] ret_from_fork_asm+0x1a/0x30 [ 13.561199] [ 13.561342] The buggy address belongs to the object at ffff8881029eb240 [ 13.561342] which belongs to the cache test_cache of size 123 [ 13.561949] The buggy address is located 0 bytes inside of [ 13.561949] freed 123-byte region [ffff8881029eb240, ffff8881029eb2bb) [ 13.563227] [ 13.563405] The buggy address belongs to the physical page: [ 13.564088] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029eb [ 13.564731] flags: 0x200000000000000(node=0|zone=2) [ 13.565161] page_type: f5(slab) [ 13.565567] raw: 0200000000000000 ffff888101ab5640 dead000000000122 0000000000000000 [ 13.565956] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 13.566383] page dumped because: kasan: bad access detected [ 13.567114] [ 13.567232] Memory state around the buggy address: [ 13.567412] ffff8881029eb100: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 13.567726] ffff8881029eb180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.567935] >ffff8881029eb200: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 13.568141] ^ [ 13.568322] ffff8881029eb280: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 13.568459] ffff8881029eb300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.568996] ================================================================== [ 13.457066] ================================================================== [ 13.457746] BUG: KASAN: slab-use-after-free in mempool_uaf_helper+0x392/0x400 [ 13.458203] Read of size 1 at addr ffff8881029da700 by task kunit_try_catch/247 [ 13.458826] [ 13.458969] CPU: 1 UID: 0 PID: 247 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT(voluntary) [ 13.459065] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.459089] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.459128] Call Trace: [ 13.459154] <TASK> [ 13.459191] dump_stack_lvl+0x73/0xb0 [ 13.459248] print_report+0xd1/0x650 [ 13.459291] ? __virt_addr_valid+0x1db/0x2d0 [ 13.459333] ? mempool_uaf_helper+0x392/0x400 [ 13.459363] ? kasan_complete_mode_report_info+0x64/0x200 [ 13.459385] ? mempool_uaf_helper+0x392/0x400 [ 13.459413] kasan_report+0x141/0x180 [ 13.459434] ? mempool_uaf_helper+0x392/0x400 [ 13.459459] __asan_report_load1_noabort+0x18/0x20 [ 13.459478] mempool_uaf_helper+0x392/0x400 [ 13.459506] ? __pfx_mempool_uaf_helper+0x10/0x10 [ 13.459539] ? dequeue_entities+0x852/0x1740 [ 13.459583] ? finish_task_switch.isra.0+0x153/0x700 [ 13.459837] mempool_kmalloc_uaf+0xef/0x140 [ 13.459900] ? __pfx_mempool_kmalloc_uaf+0x10/0x10 [ 13.459944] ? dequeue_task_fair+0x166/0x4e0 [ 13.459989] ? __pfx_mempool_kmalloc+0x10/0x10 [ 13.460030] ? __pfx_mempool_kfree+0x10/0x10 [ 13.460073] ? __pfx_read_tsc+0x10/0x10 [ 13.460115] ? ktime_get_ts64+0x86/0x230 [ 13.460168] kunit_try_run_case+0x1a5/0x480 [ 13.460220] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.460258] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.460307] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.460354] ? __kthread_parkme+0x82/0x180 [ 13.460398] ? preempt_count_sub+0x50/0x80 [ 13.460447] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.460572] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.460614] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.460665] kthread+0x337/0x6f0 [ 13.460692] ? trace_preempt_on+0x20/0xc0 [ 13.460717] ? __pfx_kthread+0x10/0x10 [ 13.460734] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.460755] ? calculate_sigpending+0x7b/0xa0 [ 13.460776] ? __pfx_kthread+0x10/0x10 [ 13.460794] ret_from_fork+0x41/0x80 [ 13.460813] ? __pfx_kthread+0x10/0x10 [ 13.460830] ret_from_fork_asm+0x1a/0x30 [ 13.460859] </TASK> [ 13.460873] [ 13.472786] Allocated by task 247: [ 13.473031] kasan_save_stack+0x45/0x70 [ 13.473390] kasan_save_track+0x18/0x40 [ 13.474022] kasan_save_alloc_info+0x3b/0x50 [ 13.474573] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 13.474864] remove_element+0x11e/0x190 [ 13.475126] mempool_alloc_preallocated+0x4d/0x90 [ 13.475660] mempool_uaf_helper+0x96/0x400 [ 13.475912] mempool_kmalloc_uaf+0xef/0x140 [ 13.476187] kunit_try_run_case+0x1a5/0x480 [ 13.476704] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.477105] kthread+0x337/0x6f0 [ 13.477683] ret_from_fork+0x41/0x80 [ 13.478012] ret_from_fork_asm+0x1a/0x30 [ 13.478249] [ 13.478586] Freed by task 247: [ 13.478799] kasan_save_stack+0x45/0x70 [ 13.479111] kasan_save_track+0x18/0x40 [ 13.479568] kasan_save_free_info+0x3f/0x60 [ 13.479821] __kasan_mempool_poison_object+0x131/0x1d0 [ 13.480213] mempool_free+0x2ec/0x380 [ 13.480664] mempool_uaf_helper+0x11a/0x400 [ 13.481003] mempool_kmalloc_uaf+0xef/0x140 [ 13.481254] kunit_try_run_case+0x1a5/0x480 [ 13.481910] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.482456] kthread+0x337/0x6f0 [ 13.482691] ret_from_fork+0x41/0x80 [ 13.482971] ret_from_fork_asm+0x1a/0x30 [ 13.483198] [ 13.483521] The buggy address belongs to the object at ffff8881029da700 [ 13.483521] which belongs to the cache kmalloc-128 of size 128 [ 13.484016] The buggy address is located 0 bytes inside of [ 13.484016] freed 128-byte region [ffff8881029da700, ffff8881029da780) [ 13.485001] [ 13.485142] The buggy address belongs to the physical page: [ 13.485769] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029da [ 13.486164] flags: 0x200000000000000(node=0|zone=2) [ 13.486746] page_type: f5(slab) [ 13.487041] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 13.487532] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 13.487981] page dumped because: kasan: bad access detected [ 13.488249] [ 13.488587] Memory state around the buggy address: [ 13.488848] ffff8881029da600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.489260] ffff8881029da680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.489848] >ffff8881029da700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.490590] ^ [ 13.490769] ffff8881029da780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.491137] ffff8881029da800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.491792] ==================================================================