Date
June 26, 2025, 9:10 a.m.
| Environment | |
|---|---|
| dragonboard-845c | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 39.198917] ================================================================== [ 39.210399] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 39.217719] Write of size 8 at addr ffff00008039f371 by task kunit_try_catch/262 [ 39.225220] [ 39.226754] CPU: 0 UID: 0 PID: 262 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250626 #1 PREEMPT [ 39.226785] Tainted: [B]=BAD_PAGE, [N]=TEST [ 39.226793] Hardware name: Thundercomm Dragonboard 845c (DT) [ 39.226805] Call trace: [ 39.226813] show_stack+0x20/0x38 (C) [ 39.226831] dump_stack_lvl+0x8c/0xd0 [ 39.226849] print_report+0x118/0x608 [ 39.226869] kasan_report+0xdc/0x128 [ 39.226887] kasan_check_range+0x100/0x1a8 [ 39.226909] __asan_memset+0x34/0x78 [ 39.226923] kmalloc_oob_memset_8+0x150/0x2f8 [ 39.226940] kunit_try_run_case+0x170/0x3f0 [ 39.226959] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 39.226982] kthread+0x328/0x630 [ 39.226996] ret_from_fork+0x10/0x20 [ 39.227014] [ 39.295808] Allocated by task 262: [ 39.299274] kasan_save_stack+0x3c/0x68 [ 39.303181] kasan_save_track+0x20/0x40 [ 39.307086] kasan_save_alloc_info+0x40/0x58 [ 39.311431] __kasan_kmalloc+0xd4/0xd8 [ 39.315248] __kmalloc_cache_noprof+0x16c/0x3c0 [ 39.319854] kmalloc_oob_memset_8+0xb0/0x2f8 [ 39.324199] kunit_try_run_case+0x170/0x3f0 [ 39.328460] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 39.334030] kthread+0x328/0x630 [ 39.337315] ret_from_fork+0x10/0x20 [ 39.340958] [ 39.342489] The buggy address belongs to the object at ffff00008039f300 [ 39.342489] which belongs to the cache kmalloc-128 of size 128 [ 39.355150] The buggy address is located 113 bytes inside of [ 39.355150] allocated 120-byte region [ffff00008039f300, ffff00008039f378) [ 39.367903] [ 39.369432] The buggy address belongs to the physical page: [ 39.375077] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10039e [ 39.383181] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 39.390937] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 39.397995] page_type: f5(slab) [ 39.401196] raw: 0bfffe0000000040 ffff000080002a00 dead000000000122 0000000000000000 [ 39.409043] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 39.416890] head: 0bfffe0000000040 ffff000080002a00 dead000000000122 0000000000000000 [ 39.424822] head: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 39.432755] head: 0bfffe0000000001 fffffdffc200e781 00000000ffffffff 00000000ffffffff [ 39.440689] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 39.448618] page dumped because: kasan: bad access detected [ 39.454262] [ 39.455793] Memory state around the buggy address: [ 39.460649] ffff00008039f200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 39.467964] ffff00008039f280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 39.475278] >ffff00008039f300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 39.482593] ^ [ 39.489819] ffff00008039f380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 39.497136] ffff00008039f400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 39.504448] ==================================================================
[ 26.891298] ================================================================== [ 26.891353] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 26.891402] Write of size 8 at addr fff00000c643f771 by task kunit_try_catch/188 [ 26.891449] [ 26.891477] CPU: 0 UID: 0 PID: 188 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250626 #1 PREEMPT [ 26.891562] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.891587] Hardware name: linux,dummy-virt (DT) [ 26.891880] Call trace: [ 26.891922] show_stack+0x20/0x38 (C) [ 26.892006] dump_stack_lvl+0x8c/0xd0 [ 26.892085] print_report+0x118/0x608 [ 26.892156] kasan_report+0xdc/0x128 [ 26.892991] kasan_check_range+0x100/0x1a8 [ 26.893040] __asan_memset+0x34/0x78 [ 26.893119] kmalloc_oob_memset_8+0x150/0x2f8 [ 26.893164] kunit_try_run_case+0x170/0x3f0 [ 26.893210] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.893261] kthread+0x328/0x630 [ 26.893302] ret_from_fork+0x10/0x20 [ 26.893357] [ 26.893375] Allocated by task 188: [ 26.893400] kasan_save_stack+0x3c/0x68 [ 26.893440] kasan_save_track+0x20/0x40 [ 26.893476] kasan_save_alloc_info+0x40/0x58 [ 26.893512] __kasan_kmalloc+0xd4/0xd8 [ 26.893547] __kmalloc_cache_noprof+0x16c/0x3c0 [ 26.893585] kmalloc_oob_memset_8+0xb0/0x2f8 [ 26.893711] kunit_try_run_case+0x170/0x3f0 [ 26.893755] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.893891] kthread+0x328/0x630 [ 26.893962] ret_from_fork+0x10/0x20 [ 26.894105] [ 26.894123] The buggy address belongs to the object at fff00000c643f700 [ 26.894123] which belongs to the cache kmalloc-128 of size 128 [ 26.894186] The buggy address is located 113 bytes inside of [ 26.894186] allocated 120-byte region [fff00000c643f700, fff00000c643f778) [ 26.894376] [ 26.894397] The buggy address belongs to the physical page: [ 26.894426] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10643f [ 26.894475] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 26.894519] page_type: f5(slab) [ 26.894564] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000100 dead000000000122 [ 26.894612] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 26.894649] page dumped because: kasan: bad access detected [ 26.894678] [ 26.894695] Memory state around the buggy address: [ 26.894724] fff00000c643f600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.894764] fff00000c643f680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.894803] >fff00000c643f700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 26.894839] ^ [ 26.894895] fff00000c643f780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.895042] fff00000c643f800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.895132] ==================================================================
[ 22.262429] ================================================================== [ 22.262849] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 22.263136] Write of size 8 at addr ffff888102d56671 by task kunit_try_catch/205 [ 22.263442] [ 22.263530] CPU: 1 UID: 0 PID: 205 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250626 #1 PREEMPT(voluntary) [ 22.263578] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.263591] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 22.263612] Call Trace: [ 22.263625] <TASK> [ 22.263642] dump_stack_lvl+0x73/0xb0 [ 22.263670] print_report+0xd1/0x650 [ 22.263692] ? __virt_addr_valid+0x1db/0x2d0 [ 22.263715] ? kmalloc_oob_memset_8+0x166/0x330 [ 22.263735] ? kasan_complete_mode_report_info+0x2a/0x200 [ 22.263760] ? kmalloc_oob_memset_8+0x166/0x330 [ 22.263780] kasan_report+0x141/0x180 [ 22.263800] ? kmalloc_oob_memset_8+0x166/0x330 [ 22.263825] kasan_check_range+0x10c/0x1c0 [ 22.263846] __asan_memset+0x27/0x50 [ 22.263868] kmalloc_oob_memset_8+0x166/0x330 [ 22.263889] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 22.263911] ? __schedule+0x10cc/0x2b60 [ 22.263935] ? __pfx_read_tsc+0x10/0x10 [ 22.263956] ? ktime_get_ts64+0x86/0x230 [ 22.263979] kunit_try_run_case+0x1a5/0x480 [ 22.264003] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.264024] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 22.264048] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 22.264072] ? __kthread_parkme+0x82/0x180 [ 22.264091] ? preempt_count_sub+0x50/0x80 [ 22.264114] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.264136] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.264159] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 22.264181] kthread+0x337/0x6f0 [ 22.264200] ? trace_preempt_on+0x20/0xc0 [ 22.264262] ? __pfx_kthread+0x10/0x10 [ 22.264284] ? _raw_spin_unlock_irq+0x47/0x80 [ 22.264307] ? calculate_sigpending+0x7b/0xa0 [ 22.264330] ? __pfx_kthread+0x10/0x10 [ 22.264351] ret_from_fork+0x116/0x1d0 [ 22.264370] ? __pfx_kthread+0x10/0x10 [ 22.264389] ret_from_fork_asm+0x1a/0x30 [ 22.264446] </TASK> [ 22.264458] [ 22.272076] Allocated by task 205: [ 22.272252] kasan_save_stack+0x45/0x70 [ 22.272404] kasan_save_track+0x18/0x40 [ 22.272533] kasan_save_alloc_info+0x3b/0x50 [ 22.272695] __kasan_kmalloc+0xb7/0xc0 [ 22.272969] __kmalloc_cache_noprof+0x189/0x420 [ 22.273217] kmalloc_oob_memset_8+0xac/0x330 [ 22.273430] kunit_try_run_case+0x1a5/0x480 [ 22.273632] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.273915] kthread+0x337/0x6f0 [ 22.274045] ret_from_fork+0x116/0x1d0 [ 22.274266] ret_from_fork_asm+0x1a/0x30 [ 22.274459] [ 22.274550] The buggy address belongs to the object at ffff888102d56600 [ 22.274550] which belongs to the cache kmalloc-128 of size 128 [ 22.275191] The buggy address is located 113 bytes inside of [ 22.275191] allocated 120-byte region [ffff888102d56600, ffff888102d56678) [ 22.275614] [ 22.275708] The buggy address belongs to the physical page: [ 22.276180] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102d56 [ 22.276491] flags: 0x200000000000000(node=0|zone=2) [ 22.276653] page_type: f5(slab) [ 22.276844] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 22.277217] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 22.277557] page dumped because: kasan: bad access detected [ 22.277913] [ 22.278008] Memory state around the buggy address: [ 22.278230] ffff888102d56500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.278515] ffff888102d56580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.278748] >ffff888102d56600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 22.279039] ^ [ 22.279389] ffff888102d56680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.279709] ffff888102d56700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.280030] ==================================================================