Date
June 26, 2025, 9:10 a.m.
| Environment | |
|---|---|
| dragonboard-845c | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 37.670646] ================================================================== [ 37.681425] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 37.688221] Write of size 16 at addr ffff0000820e8620 by task kunit_try_catch/252 [ 37.695801] [ 37.697338] CPU: 0 UID: 0 PID: 252 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250626 #1 PREEMPT [ 37.697368] Tainted: [B]=BAD_PAGE, [N]=TEST [ 37.697376] Hardware name: Thundercomm Dragonboard 845c (DT) [ 37.697388] Call trace: [ 37.697396] show_stack+0x20/0x38 (C) [ 37.697415] dump_stack_lvl+0x8c/0xd0 [ 37.697435] print_report+0x118/0x608 [ 37.697455] kasan_report+0xdc/0x128 [ 37.697473] __asan_report_store16_noabort+0x20/0x30 [ 37.697493] kmalloc_oob_16+0x3a0/0x3f8 [ 37.697509] kunit_try_run_case+0x170/0x3f0 [ 37.697528] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.697549] kthread+0x328/0x630 [ 37.697564] ret_from_fork+0x10/0x20 [ 37.697583] [ 37.763108] Allocated by task 252: [ 37.766567] kasan_save_stack+0x3c/0x68 [ 37.770476] kasan_save_track+0x20/0x40 [ 37.774385] kasan_save_alloc_info+0x40/0x58 [ 37.778723] __kasan_kmalloc+0xd4/0xd8 [ 37.782542] __kmalloc_cache_noprof+0x16c/0x3c0 [ 37.787154] kmalloc_oob_16+0xb4/0x3f8 [ 37.790975] kunit_try_run_case+0x170/0x3f0 [ 37.795226] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.800795] kthread+0x328/0x630 [ 37.804087] ret_from_fork+0x10/0x20 [ 37.807726] [ 37.809262] The buggy address belongs to the object at ffff0000820e8620 [ 37.809262] which belongs to the cache kmalloc-16 of size 16 [ 37.821751] The buggy address is located 0 bytes inside of [ 37.821751] allocated 13-byte region [ffff0000820e8620, ffff0000820e862d) [ 37.834243] [ 37.835773] The buggy address belongs to the physical page: [ 37.841417] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1020e8 [ 37.849531] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 37.856153] page_type: f5(slab) [ 37.859351] raw: 0bfffe0000000000 ffff000080002640 dead000000000122 0000000000000000 [ 37.867195] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 37.875035] page dumped because: kasan: bad access detected [ 37.880688] [ 37.882219] Memory state around the buggy address: [ 37.887083] ffff0000820e8500: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 37.894404] ffff0000820e8580: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 37.901729] >ffff0000820e8600: fa fb fc fc 00 05 fc fc 00 00 fc fc fc fc fc fc [ 37.909049] ^ [ 37.913654] ffff0000820e8680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.920976] ffff0000820e8700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.928297] ==================================================================
[ 26.814199] ================================================================== [ 26.814280] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 26.814839] Write of size 16 at addr fff00000c16b9c00 by task kunit_try_catch/178 [ 26.815007] [ 26.815090] CPU: 0 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250626 #1 PREEMPT [ 26.815311] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.815696] Hardware name: linux,dummy-virt (DT) [ 26.815753] Call trace: [ 26.816074] show_stack+0x20/0x38 (C) [ 26.816346] dump_stack_lvl+0x8c/0xd0 [ 26.816777] print_report+0x118/0x608 [ 26.816889] kasan_report+0xdc/0x128 [ 26.817021] __asan_report_store16_noabort+0x20/0x30 [ 26.817388] kmalloc_oob_16+0x3a0/0x3f8 [ 26.817542] kunit_try_run_case+0x170/0x3f0 [ 26.817597] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.817650] kthread+0x328/0x630 [ 26.817720] ret_from_fork+0x10/0x20 [ 26.817778] [ 26.817802] Allocated by task 178: [ 26.817829] kasan_save_stack+0x3c/0x68 [ 26.817869] kasan_save_track+0x20/0x40 [ 26.817905] kasan_save_alloc_info+0x40/0x58 [ 26.817940] __kasan_kmalloc+0xd4/0xd8 [ 26.817976] __kmalloc_cache_noprof+0x16c/0x3c0 [ 26.818013] kmalloc_oob_16+0xb4/0x3f8 [ 26.818049] kunit_try_run_case+0x170/0x3f0 [ 26.818114] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.818169] kthread+0x328/0x630 [ 26.818200] ret_from_fork+0x10/0x20 [ 26.818244] [ 26.818262] The buggy address belongs to the object at fff00000c16b9c00 [ 26.818262] which belongs to the cache kmalloc-16 of size 16 [ 26.818317] The buggy address is located 0 bytes inside of [ 26.818317] allocated 13-byte region [fff00000c16b9c00, fff00000c16b9c0d) [ 26.818386] [ 26.818405] The buggy address belongs to the physical page: [ 26.818436] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xfff00000c16b9ba0 pfn:0x1016b9 [ 26.818490] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 26.818544] page_type: f5(slab) [ 26.818595] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 26.818654] raw: fff00000c16b9ba0 000000008080007f 00000000f5000000 0000000000000000 [ 26.818707] page dumped because: kasan: bad access detected [ 26.818738] [ 26.818763] Memory state around the buggy address: [ 26.818802] fff00000c16b9b00: 00 01 fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 26.818858] fff00000c16b9b80: fa fb fc fc fa fb fc fc 00 04 fc fc fa fb fc fc [ 26.818898] >fff00000c16b9c00: 00 05 fc fc 00 00 fc fc fc fc fc fc fc fc fc fc [ 26.818934] ^ [ 26.818962] fff00000c16b9c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.819010] fff00000c16b9d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.819047] ==================================================================
[ 22.140059] ================================================================== [ 22.140537] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x452/0x4a0 [ 22.140857] Write of size 16 at addr ffff888101126c40 by task kunit_try_catch/195 [ 22.141329] [ 22.141433] CPU: 0 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250626 #1 PREEMPT(voluntary) [ 22.141485] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.141498] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 22.141521] Call Trace: [ 22.141536] <TASK> [ 22.141555] dump_stack_lvl+0x73/0xb0 [ 22.141588] print_report+0xd1/0x650 [ 22.141611] ? __virt_addr_valid+0x1db/0x2d0 [ 22.141634] ? kmalloc_oob_16+0x452/0x4a0 [ 22.141654] ? kasan_complete_mode_report_info+0x2a/0x200 [ 22.141679] ? kmalloc_oob_16+0x452/0x4a0 [ 22.141699] kasan_report+0x141/0x180 [ 22.141720] ? kmalloc_oob_16+0x452/0x4a0 [ 22.141743] __asan_report_store16_noabort+0x1b/0x30 [ 22.141767] kmalloc_oob_16+0x452/0x4a0 [ 22.141835] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 22.141863] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 22.141887] kunit_try_run_case+0x1a5/0x480 [ 22.141913] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.141935] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 22.141961] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 22.141985] ? __kthread_parkme+0x82/0x180 [ 22.142006] ? preempt_count_sub+0x50/0x80 [ 22.142029] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.142052] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.142075] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 22.142098] kthread+0x337/0x6f0 [ 22.142118] ? trace_preempt_on+0x20/0xc0 [ 22.142141] ? __pfx_kthread+0x10/0x10 [ 22.142161] ? _raw_spin_unlock_irq+0x47/0x80 [ 22.142183] ? calculate_sigpending+0x7b/0xa0 [ 22.142206] ? __pfx_kthread+0x10/0x10 [ 22.142240] ret_from_fork+0x116/0x1d0 [ 22.142260] ? __pfx_kthread+0x10/0x10 [ 22.142280] ret_from_fork_asm+0x1a/0x30 [ 22.142311] </TASK> [ 22.142323] [ 22.149408] Allocated by task 195: [ 22.149595] kasan_save_stack+0x45/0x70 [ 22.149844] kasan_save_track+0x18/0x40 [ 22.150028] kasan_save_alloc_info+0x3b/0x50 [ 22.150188] __kasan_kmalloc+0xb7/0xc0 [ 22.150390] __kmalloc_cache_noprof+0x189/0x420 [ 22.150548] kmalloc_oob_16+0xa8/0x4a0 [ 22.150673] kunit_try_run_case+0x1a5/0x480 [ 22.150818] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.151145] kthread+0x337/0x6f0 [ 22.151319] ret_from_fork+0x116/0x1d0 [ 22.151504] ret_from_fork_asm+0x1a/0x30 [ 22.151699] [ 22.151792] The buggy address belongs to the object at ffff888101126c40 [ 22.151792] which belongs to the cache kmalloc-16 of size 16 [ 22.152567] The buggy address is located 0 bytes inside of [ 22.152567] allocated 13-byte region [ffff888101126c40, ffff888101126c4d) [ 22.153251] [ 22.153340] The buggy address belongs to the physical page: [ 22.153527] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101126 [ 22.153904] flags: 0x200000000000000(node=0|zone=2) [ 22.154186] page_type: f5(slab) [ 22.154334] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 22.154652] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 22.154988] page dumped because: kasan: bad access detected [ 22.155250] [ 22.155342] Memory state around the buggy address: [ 22.155544] ffff888101126b00: 00 00 fc fc 00 04 fc fc 00 04 fc fc 00 00 fc fc [ 22.155756] ffff888101126b80: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 22.156067] >ffff888101126c00: fa fb fc fc fa fb fc fc 00 05 fc fc 00 00 fc fc [ 22.156398] ^ [ 22.156565] ffff888101126c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.157036] ffff888101126d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.157346] ==================================================================