Date
July 2, 2025, 11:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 33.150919] ================================================================== [ 33.151020] BUG: KASAN: slab-out-of-bounds in memcmp+0x198/0x1d8 [ 33.151097] Read of size 1 at addr fff00000c993b058 by task kunit_try_catch/290 [ 33.151152] [ 33.151206] CPU: 1 UID: 0 PID: 290 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250702 #1 PREEMPT [ 33.151322] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.151354] Hardware name: linux,dummy-virt (DT) [ 33.151388] Call trace: [ 33.151415] show_stack+0x20/0x38 (C) [ 33.151610] dump_stack_lvl+0x8c/0xd0 [ 33.151671] print_report+0x118/0x608 [ 33.152030] kasan_report+0xdc/0x128 [ 33.152114] __asan_report_load1_noabort+0x20/0x30 [ 33.152203] memcmp+0x198/0x1d8 [ 33.152332] kasan_memcmp+0x16c/0x300 [ 33.152436] kunit_try_run_case+0x170/0x3f0 [ 33.152548] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.152622] kthread+0x328/0x630 [ 33.152668] ret_from_fork+0x10/0x20 [ 33.152867] [ 33.152889] Allocated by task 290: [ 33.152923] kasan_save_stack+0x3c/0x68 [ 33.152978] kasan_save_track+0x20/0x40 [ 33.153018] kasan_save_alloc_info+0x40/0x58 [ 33.153228] __kasan_kmalloc+0xd4/0xd8 [ 33.153277] __kmalloc_cache_noprof+0x16c/0x3c0 [ 33.153360] kasan_memcmp+0xbc/0x300 [ 33.153477] kunit_try_run_case+0x170/0x3f0 [ 33.153556] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.153688] kthread+0x328/0x630 [ 33.153748] ret_from_fork+0x10/0x20 [ 33.153826] [ 33.153944] The buggy address belongs to the object at fff00000c993b040 [ 33.153944] which belongs to the cache kmalloc-32 of size 32 [ 33.154038] The buggy address is located 0 bytes to the right of [ 33.154038] allocated 24-byte region [fff00000c993b040, fff00000c993b058) [ 33.154141] [ 33.154165] The buggy address belongs to the physical page: [ 33.154198] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10993b [ 33.154541] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 33.154687] page_type: f5(slab) [ 33.154777] raw: 0bfffe0000000000 fff00000c0001780 dead000000000122 0000000000000000 [ 33.154852] raw: 0000000000000000 0000000080400040 00000000f5000000 0000000000000000 [ 33.155198] page dumped because: kasan: bad access detected [ 33.155381] [ 33.155460] Memory state around the buggy address: [ 33.155518] fff00000c993af00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.155599] fff00000c993af80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.155687] >fff00000c993b000: 00 00 07 fc fc fc fc fc 00 00 00 fc fc fc fc fc [ 33.155779] ^ [ 33.155906] fff00000c993b080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.156010] fff00000c993b100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.156103] ==================================================================
[ 25.229535] ================================================================== [ 25.229932] BUG: KASAN: slab-out-of-bounds in memcmp+0x1b4/0x1d0 [ 25.230840] Read of size 1 at addr ffff888105a1bd18 by task kunit_try_catch/306 [ 25.231668] [ 25.232101] CPU: 0 UID: 0 PID: 306 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250702 #1 PREEMPT(voluntary) [ 25.232202] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.232218] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.232249] Call Trace: [ 25.232266] <TASK> [ 25.232287] dump_stack_lvl+0x73/0xb0 [ 25.232321] print_report+0xd1/0x650 [ 25.232349] ? __virt_addr_valid+0x1db/0x2d0 [ 25.232375] ? memcmp+0x1b4/0x1d0 [ 25.232397] ? kasan_complete_mode_report_info+0x2a/0x200 [ 25.232424] ? memcmp+0x1b4/0x1d0 [ 25.232445] kasan_report+0x141/0x180 [ 25.232466] ? memcmp+0x1b4/0x1d0 [ 25.232491] __asan_report_load1_noabort+0x18/0x20 [ 25.232515] memcmp+0x1b4/0x1d0 [ 25.232538] kasan_memcmp+0x18f/0x390 [ 25.232558] ? trace_hardirqs_on+0x37/0xe0 [ 25.232584] ? __pfx_kasan_memcmp+0x10/0x10 [ 25.232603] ? finish_task_switch.isra.0+0x153/0x700 [ 25.232627] ? __switch_to+0x47/0xf50 [ 25.232657] ? __pfx_read_tsc+0x10/0x10 [ 25.232679] ? ktime_get_ts64+0x86/0x230 [ 25.232706] kunit_try_run_case+0x1a5/0x480 [ 25.232733] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.232757] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.232782] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.232806] ? __kthread_parkme+0x82/0x180 [ 25.232829] ? preempt_count_sub+0x50/0x80 [ 25.232852] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.232877] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.232902] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.232943] kthread+0x337/0x6f0 [ 25.232963] ? trace_preempt_on+0x20/0xc0 [ 25.232985] ? __pfx_kthread+0x10/0x10 [ 25.233006] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.233030] ? calculate_sigpending+0x7b/0xa0 [ 25.233055] ? __pfx_kthread+0x10/0x10 [ 25.233087] ret_from_fork+0x116/0x1d0 [ 25.233105] ? __pfx_kthread+0x10/0x10 [ 25.233126] ret_from_fork_asm+0x1a/0x30 [ 25.233158] </TASK> [ 25.233172] [ 25.241007] Allocated by task 306: [ 25.241246] kasan_save_stack+0x45/0x70 [ 25.241572] kasan_save_track+0x18/0x40 [ 25.241764] kasan_save_alloc_info+0x3b/0x50 [ 25.241940] __kasan_kmalloc+0xb7/0xc0 [ 25.242075] __kmalloc_cache_noprof+0x189/0x420 [ 25.242604] kasan_memcmp+0xb7/0x390 [ 25.242789] kunit_try_run_case+0x1a5/0x480 [ 25.242968] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.243335] kthread+0x337/0x6f0 [ 25.243481] ret_from_fork+0x116/0x1d0 [ 25.243699] ret_from_fork_asm+0x1a/0x30 [ 25.243887] [ 25.244009] The buggy address belongs to the object at ffff888105a1bd00 [ 25.244009] which belongs to the cache kmalloc-32 of size 32 [ 25.244630] The buggy address is located 0 bytes to the right of [ 25.244630] allocated 24-byte region [ffff888105a1bd00, ffff888105a1bd18) [ 25.245409] [ 25.245484] The buggy address belongs to the physical page: [ 25.245663] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a1b [ 25.246009] flags: 0x200000000000000(node=0|zone=2) [ 25.246247] page_type: f5(slab) [ 25.246412] raw: 0200000000000000 ffff888100041780 dead000000000122 0000000000000000 [ 25.246722] raw: 0000000000000000 0000000080400040 00000000f5000000 0000000000000000 [ 25.247171] page dumped because: kasan: bad access detected [ 25.247530] [ 25.247620] Memory state around the buggy address: [ 25.247834] ffff888105a1bc00: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc [ 25.248424] ffff888105a1bc80: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc [ 25.248789] >ffff888105a1bd00: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.249172] ^ [ 25.249389] ffff888105a1bd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.249595] ffff888105a1be00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.249954] ==================================================================
[ 24.981748] ================================================================== [ 24.982116] BUG: KASAN: slab-out-of-bounds in memcmp+0x1b4/0x1d0 [ 24.982340] Read of size 1 at addr ffff8881058a9398 by task kunit_try_catch/305 [ 24.982752] [ 24.982921] CPU: 0 UID: 0 PID: 305 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250702 #1 PREEMPT(voluntary) [ 24.983035] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.983049] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.983073] Call Trace: [ 24.983085] <TASK> [ 24.983101] dump_stack_lvl+0x73/0xb0 [ 24.983128] print_report+0xd1/0x650 [ 24.983150] ? __virt_addr_valid+0x1db/0x2d0 [ 24.983173] ? memcmp+0x1b4/0x1d0 [ 24.983194] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.983219] ? memcmp+0x1b4/0x1d0 [ 24.983241] kasan_report+0x141/0x180 [ 24.983262] ? memcmp+0x1b4/0x1d0 [ 24.983287] __asan_report_load1_noabort+0x18/0x20 [ 24.983324] memcmp+0x1b4/0x1d0 [ 24.983347] kasan_memcmp+0x18f/0x390 [ 24.983367] ? trace_hardirqs_on+0x37/0xe0 [ 24.983389] ? __pfx_kasan_memcmp+0x10/0x10 [ 24.983409] ? finish_task_switch.isra.0+0x153/0x700 [ 24.983430] ? __switch_to+0x47/0xf50 [ 24.983459] ? __pfx_read_tsc+0x10/0x10 [ 24.983481] ? ktime_get_ts64+0x86/0x230 [ 24.983504] kunit_try_run_case+0x1a5/0x480 [ 24.983529] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.983552] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.983573] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.983595] ? __kthread_parkme+0x82/0x180 [ 24.983627] ? preempt_count_sub+0x50/0x80 [ 24.983650] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.983718] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.983746] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.983770] kthread+0x337/0x6f0 [ 24.983790] ? trace_preempt_on+0x20/0xc0 [ 24.983812] ? __pfx_kthread+0x10/0x10 [ 24.983833] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.983858] ? calculate_sigpending+0x7b/0xa0 [ 24.983881] ? __pfx_kthread+0x10/0x10 [ 24.983903] ret_from_fork+0x116/0x1d0 [ 24.983921] ? __pfx_kthread+0x10/0x10 [ 24.983942] ret_from_fork_asm+0x1a/0x30 [ 24.983973] </TASK> [ 24.983985] [ 24.997083] Allocated by task 305: [ 24.997287] kasan_save_stack+0x45/0x70 [ 24.997438] kasan_save_track+0x18/0x40 [ 24.997596] kasan_save_alloc_info+0x3b/0x50 [ 24.998038] __kasan_kmalloc+0xb7/0xc0 [ 24.998399] __kmalloc_cache_noprof+0x189/0x420 [ 24.998899] kasan_memcmp+0xb7/0x390 [ 24.999235] kunit_try_run_case+0x1a5/0x480 [ 24.999650] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.999937] kthread+0x337/0x6f0 [ 25.000053] ret_from_fork+0x116/0x1d0 [ 25.000175] ret_from_fork_asm+0x1a/0x30 [ 25.000304] [ 25.000378] The buggy address belongs to the object at ffff8881058a9380 [ 25.000378] which belongs to the cache kmalloc-32 of size 32 [ 25.001031] The buggy address is located 0 bytes to the right of [ 25.001031] allocated 24-byte region [ffff8881058a9380, ffff8881058a9398) [ 25.001407] [ 25.001480] The buggy address belongs to the physical page: [ 25.002025] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1058a9 [ 25.002727] flags: 0x200000000000000(node=0|zone=2) [ 25.003251] page_type: f5(slab) [ 25.003559] raw: 0200000000000000 ffff888100041780 dead000000000122 0000000000000000 [ 25.004154] raw: 0000000000000000 0000000080400040 00000000f5000000 0000000000000000 [ 25.004380] page dumped because: kasan: bad access detected [ 25.004567] [ 25.004716] Memory state around the buggy address: [ 25.005181] ffff8881058a9280: fa fb fb fb fc fc fc fc 00 00 00 fc fc fc fc fc [ 25.005998] ffff8881058a9300: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc [ 25.006639] >ffff8881058a9380: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.007373] ^ [ 25.007640] ffff8881058a9400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.008220] ffff8881058a9480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.008433] ==================================================================