Date
June 16, 2025, 7:07 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.907437] ================================================================== [ 21.907578] BUG: KASAN: use-after-free in mempool_uaf_helper+0x314/0x340 [ 21.907703] Read of size 1 at addr fff00000c7888000 by task kunit_try_catch/238 [ 21.907817] [ 21.907882] CPU: 0 UID: 0 PID: 238 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT [ 21.907989] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.908024] Hardware name: linux,dummy-virt (DT) [ 21.908063] Call trace: [ 21.908095] show_stack+0x20/0x38 (C) [ 21.908156] dump_stack_lvl+0x8c/0xd0 [ 21.908213] print_report+0x118/0x608 [ 21.908269] kasan_report+0xdc/0x128 [ 21.908322] __asan_report_load1_noabort+0x20/0x30 [ 21.908380] mempool_uaf_helper+0x314/0x340 [ 21.908436] mempool_kmalloc_large_uaf+0xc4/0x120 [ 21.908548] kunit_try_run_case+0x170/0x3f0 [ 21.908677] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.908752] kthread+0x328/0x630 [ 21.909486] ret_from_fork+0x10/0x20 [ 21.909569] [ 21.909600] The buggy address belongs to the physical page: [ 21.909674] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107888 [ 21.909745] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 21.909801] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 21.909891] page_type: f8(unknown) [ 21.909988] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 21.910051] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 21.910547] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 21.910696] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 21.910907] head: 0bfffe0000000002 ffffc1ffc31e2201 00000000ffffffff 00000000ffffffff [ 21.910966] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 21.911247] page dumped because: kasan: bad access detected [ 21.911327] [ 21.911354] Memory state around the buggy address: [ 21.911817] fff00000c7887f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 21.911891] fff00000c7887f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 21.911945] >fff00000c7888000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 21.911989] ^ [ 21.912026] fff00000c7888080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 21.912607] fff00000c7888100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 21.912852] ================================================================== [ 21.951757] ================================================================== [ 21.952061] BUG: KASAN: use-after-free in mempool_uaf_helper+0x314/0x340 [ 21.952296] Read of size 1 at addr fff00000c788c000 by task kunit_try_catch/242 [ 21.952597] [ 21.952720] CPU: 0 UID: 0 PID: 242 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT [ 21.953260] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.953360] Hardware name: linux,dummy-virt (DT) [ 21.953464] Call trace: [ 21.953516] show_stack+0x20/0x38 (C) [ 21.953616] dump_stack_lvl+0x8c/0xd0 [ 21.953677] print_report+0x118/0x608 [ 21.953736] kasan_report+0xdc/0x128 [ 21.953792] __asan_report_load1_noabort+0x20/0x30 [ 21.953885] mempool_uaf_helper+0x314/0x340 [ 21.953946] mempool_page_alloc_uaf+0xc0/0x118 [ 21.954037] kunit_try_run_case+0x170/0x3f0 [ 21.954269] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.954636] kthread+0x328/0x630 [ 21.954704] ret_from_fork+0x10/0x20 [ 21.954780] [ 21.954817] The buggy address belongs to the physical page: [ 21.954874] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10788c [ 21.954946] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.955037] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 21.955104] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 21.955859] page dumped because: kasan: bad access detected [ 21.956296] [ 21.956622] Memory state around the buggy address: [ 21.956860] fff00000c788bf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 21.957109] fff00000c788bf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 21.957170] >fff00000c788c000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 21.957221] ^ [ 21.957263] fff00000c788c080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 21.957318] fff00000c788c100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 21.957368] ==================================================================
[ 13.087823] ================================================================== [ 13.088230] BUG: KASAN: use-after-free in mempool_uaf_helper+0x392/0x400 [ 13.088461] Read of size 1 at addr ffff888102be8000 by task kunit_try_catch/258 [ 13.088674] [ 13.088758] CPU: 1 UID: 0 PID: 258 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT(voluntary) [ 13.088805] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.088817] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.088838] Call Trace: [ 13.088850] <TASK> [ 13.088868] dump_stack_lvl+0x73/0xb0 [ 13.088894] print_report+0xd1/0x650 [ 13.088916] ? __virt_addr_valid+0x1db/0x2d0 [ 13.089346] ? mempool_uaf_helper+0x392/0x400 [ 13.089613] ? kasan_addr_to_slab+0x11/0xa0 [ 13.089647] ? mempool_uaf_helper+0x392/0x400 [ 13.089671] kasan_report+0x141/0x180 [ 13.089701] ? mempool_uaf_helper+0x392/0x400 [ 13.089730] __asan_report_load1_noabort+0x18/0x20 [ 13.089757] mempool_uaf_helper+0x392/0x400 [ 13.089781] ? __pfx_mempool_uaf_helper+0x10/0x10 [ 13.089811] mempool_page_alloc_uaf+0xed/0x140 [ 13.089835] ? __pfx_mempool_page_alloc_uaf+0x10/0x10 [ 13.089862] ? __pfx_mempool_alloc_pages+0x10/0x10 [ 13.089887] ? __pfx_mempool_free_pages+0x10/0x10 [ 13.089912] ? __pfx_read_tsc+0x10/0x10 [ 13.089946] ? ktime_get_ts64+0x86/0x230 [ 13.089971] kunit_try_run_case+0x1a5/0x480 [ 13.089995] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.090016] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.090039] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.090061] ? __kthread_parkme+0x82/0x180 [ 13.090081] ? preempt_count_sub+0x50/0x80 [ 13.090104] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.090126] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.090148] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.090170] kthread+0x337/0x6f0 [ 13.090189] ? trace_preempt_on+0x20/0xc0 [ 13.090212] ? __pfx_kthread+0x10/0x10 [ 13.090232] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.090252] ? calculate_sigpending+0x7b/0xa0 [ 13.090276] ? __pfx_kthread+0x10/0x10 [ 13.090297] ret_from_fork+0x116/0x1d0 [ 13.090315] ? __pfx_kthread+0x10/0x10 [ 13.090335] ret_from_fork_asm+0x1a/0x30 [ 13.090365] </TASK> [ 13.090400] [ 13.108203] The buggy address belongs to the physical page: [ 13.108710] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102be8 [ 13.109042] flags: 0x200000000000000(node=0|zone=2) [ 13.109224] raw: 0200000000000000 0000000000000000 dead000000000122 0000000000000000 [ 13.109642] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 13.109957] page dumped because: kasan: bad access detected [ 13.110310] [ 13.110443] Memory state around the buggy address: [ 13.110624] ffff888102be7f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.111033] ffff888102be7f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.111281] >ffff888102be8000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.111700] ^ [ 13.111871] ffff888102be8080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.112169] ffff888102be8100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.112557] ================================================================== [ 13.011913] ================================================================== [ 13.012331] BUG: KASAN: use-after-free in mempool_uaf_helper+0x392/0x400 [ 13.012568] Read of size 1 at addr ffff888102be8000 by task kunit_try_catch/254 [ 13.012782] [ 13.012867] CPU: 1 UID: 0 PID: 254 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT(voluntary) [ 13.012916] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.012928] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.012961] Call Trace: [ 13.012973] <TASK> [ 13.012991] dump_stack_lvl+0x73/0xb0 [ 13.013022] print_report+0xd1/0x650 [ 13.013044] ? __virt_addr_valid+0x1db/0x2d0 [ 13.013067] ? mempool_uaf_helper+0x392/0x400 [ 13.013089] ? kasan_addr_to_slab+0x11/0xa0 [ 13.013109] ? mempool_uaf_helper+0x392/0x400 [ 13.013130] kasan_report+0x141/0x180 [ 13.013151] ? mempool_uaf_helper+0x392/0x400 [ 13.013177] __asan_report_load1_noabort+0x18/0x20 [ 13.013200] mempool_uaf_helper+0x392/0x400 [ 13.013222] ? __pfx_mempool_uaf_helper+0x10/0x10 [ 13.013242] ? update_load_avg+0x1be/0x21b0 [ 13.013269] ? finish_task_switch.isra.0+0x153/0x700 [ 13.013295] mempool_kmalloc_large_uaf+0xef/0x140 [ 13.013317] ? __pfx_mempool_kmalloc_large_uaf+0x10/0x10 [ 13.013342] ? __pfx_mempool_kmalloc+0x10/0x10 [ 13.013366] ? __pfx_mempool_kfree+0x10/0x10 [ 13.013390] ? __pfx_read_tsc+0x10/0x10 [ 13.013411] ? ktime_get_ts64+0x86/0x230 [ 13.013435] kunit_try_run_case+0x1a5/0x480 [ 13.013461] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.013481] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.013504] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.013525] ? __kthread_parkme+0x82/0x180 [ 13.013545] ? preempt_count_sub+0x50/0x80 [ 13.013567] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.013590] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.013611] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.013633] kthread+0x337/0x6f0 [ 13.013651] ? trace_preempt_on+0x20/0xc0 [ 13.013675] ? __pfx_kthread+0x10/0x10 [ 13.013701] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.013720] ? calculate_sigpending+0x7b/0xa0 [ 13.013744] ? __pfx_kthread+0x10/0x10 [ 13.013764] ret_from_fork+0x116/0x1d0 [ 13.013782] ? __pfx_kthread+0x10/0x10 [ 13.013801] ret_from_fork_asm+0x1a/0x30 [ 13.013832] </TASK> [ 13.013843] [ 13.034946] The buggy address belongs to the physical page: [ 13.035160] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102be8 [ 13.035412] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 13.035755] flags: 0x200000000000040(head|node=0|zone=2) [ 13.036019] page_type: f8(unknown) [ 13.036195] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.036416] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.036755] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.037331] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.037737] head: 0200000000000002 ffffea00040afa01 00000000ffffffff 00000000ffffffff [ 13.038077] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 13.038382] page dumped because: kasan: bad access detected [ 13.038603] [ 13.038676] Memory state around the buggy address: [ 13.038882] ffff888102be7f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.039181] ffff888102be7f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.039976] >ffff888102be8000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.040324] ^ [ 13.040486] ffff888102be8080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.041003] ffff888102be8100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.041373] ==================================================================