Date
June 26, 2025, 9:10 a.m.
| Environment | |
|---|---|
| dragonboard-845c | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 31.894142] ================================================================== [ 31.906757] BUG: KASAN: slab-out-of-bounds in kmalloc_big_oob_right+0x2a4/0x2f0 [ 31.914172] Write of size 1 at addr ffff000096639f00 by task kunit_try_catch/230 [ 31.921668] [ 31.923200] CPU: 0 UID: 0 PID: 230 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250626 #1 PREEMPT [ 31.923228] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.923236] Hardware name: Thundercomm Dragonboard 845c (DT) [ 31.923249] Call trace: [ 31.923256] show_stack+0x20/0x38 (C) [ 31.923274] dump_stack_lvl+0x8c/0xd0 [ 31.923294] print_report+0x118/0x608 [ 31.923312] kasan_report+0xdc/0x128 [ 31.923331] __asan_report_store1_noabort+0x20/0x30 [ 31.923350] kmalloc_big_oob_right+0x2a4/0x2f0 [ 31.923368] kunit_try_run_case+0x170/0x3f0 [ 31.923387] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.923409] kthread+0x328/0x630 [ 31.923424] ret_from_fork+0x10/0x20 [ 31.923442] [ 31.989486] Allocated by task 230: [ 31.992945] kasan_save_stack+0x3c/0x68 [ 31.996855] kasan_save_track+0x20/0x40 [ 32.000763] kasan_save_alloc_info+0x40/0x58 [ 32.005101] __kasan_kmalloc+0xd4/0xd8 [ 32.008923] __kmalloc_cache_noprof+0x16c/0x3c0 [ 32.013534] kmalloc_big_oob_right+0xb8/0x2f0 [ 32.017959] kunit_try_run_case+0x170/0x3f0 [ 32.022212] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.027782] kthread+0x328/0x630 [ 32.031075] ret_from_fork+0x10/0x20 [ 32.034712] [ 32.036247] The buggy address belongs to the object at ffff000096638000 [ 32.036247] which belongs to the cache kmalloc-8k of size 8192 [ 32.048909] The buggy address is located 0 bytes to the right of [ 32.048909] allocated 7936-byte region [ffff000096638000, ffff000096639f00) [ 32.062094] [ 32.063623] The buggy address belongs to the physical page: [ 32.069277] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x116638 [ 32.077389] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 32.085144] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 32.092198] page_type: f5(slab) [ 32.095398] raw: 0bfffe0000000040 ffff000080003180 dead000000000122 0000000000000000 [ 32.103243] raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 32.111088] head: 0bfffe0000000040 ffff000080003180 dead000000000122 0000000000000000 [ 32.119018] head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 32.126949] head: 0bfffe0000000003 fffffdffc2598e01 00000000ffffffff 00000000ffffffff [ 32.134879] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 32.142804] page dumped because: kasan: bad access detected [ 32.148458] [ 32.149987] Memory state around the buggy address: [ 32.154849] ffff000096639e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.162172] ffff000096639e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.169484] >ffff000096639f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.176805] ^ [ 32.180093] ffff000096639f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.187410] ffff00009663a000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.194730] ==================================================================
[ 26.580242] ================================================================== [ 26.580297] BUG: KASAN: slab-out-of-bounds in kmalloc_big_oob_right+0x2a4/0x2f0 [ 26.580343] Write of size 1 at addr fff00000c65d5f00 by task kunit_try_catch/156 [ 26.580391] [ 26.580418] CPU: 0 UID: 0 PID: 156 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250626 #1 PREEMPT [ 26.580500] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.580525] Hardware name: linux,dummy-virt (DT) [ 26.580554] Call trace: [ 26.580574] show_stack+0x20/0x38 (C) [ 26.580620] dump_stack_lvl+0x8c/0xd0 [ 26.580664] print_report+0x118/0x608 [ 26.580709] kasan_report+0xdc/0x128 [ 26.580752] __asan_report_store1_noabort+0x20/0x30 [ 26.580798] kmalloc_big_oob_right+0x2a4/0x2f0 [ 26.580843] kunit_try_run_case+0x170/0x3f0 [ 26.580888] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.580938] kthread+0x328/0x630 [ 26.580978] ret_from_fork+0x10/0x20 [ 26.581023] [ 26.581040] Allocated by task 156: [ 26.581083] kasan_save_stack+0x3c/0x68 [ 26.581122] kasan_save_track+0x20/0x40 [ 26.581157] kasan_save_alloc_info+0x40/0x58 [ 26.581192] __kasan_kmalloc+0xd4/0xd8 [ 26.581227] __kmalloc_cache_noprof+0x16c/0x3c0 [ 26.581264] kmalloc_big_oob_right+0xb8/0x2f0 [ 26.581300] kunit_try_run_case+0x170/0x3f0 [ 26.581336] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.581377] kthread+0x328/0x630 [ 26.581407] ret_from_fork+0x10/0x20 [ 26.581441] [ 26.581458] The buggy address belongs to the object at fff00000c65d4000 [ 26.581458] which belongs to the cache kmalloc-8k of size 8192 [ 26.581511] The buggy address is located 0 bytes to the right of [ 26.581511] allocated 7936-byte region [fff00000c65d4000, fff00000c65d5f00) [ 26.581571] [ 26.581589] The buggy address belongs to the physical page: [ 26.581618] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065d0 [ 26.581666] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 26.581709] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 26.581757] page_type: f5(slab) [ 26.581792] raw: 0bfffe0000000040 fff00000c0002280 dead000000000100 dead000000000122 [ 26.581839] raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 26.581886] head: 0bfffe0000000040 fff00000c0002280 dead000000000100 dead000000000122 [ 26.581931] head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 26.581978] head: 0bfffe0000000003 ffffc1ffc3197401 00000000ffffffff 00000000ffffffff [ 26.582024] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 26.582150] page dumped because: kasan: bad access detected [ 26.582186] [ 26.582203] Memory state around the buggy address: [ 26.582232] fff00000c65d5e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.582273] fff00000c65d5e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.582312] >fff00000c65d5f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.582347] ^ [ 26.582372] fff00000c65d5f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.582411] fff00000c65d6000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.582446] ==================================================================
[ 21.638435] ================================================================== [ 21.638885] BUG: KASAN: slab-out-of-bounds in kmalloc_big_oob_right+0x316/0x370 [ 21.639140] Write of size 1 at addr ffff888102ce5f00 by task kunit_try_catch/173 [ 21.640064] [ 21.640203] CPU: 0 UID: 0 PID: 173 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250626 #1 PREEMPT(voluntary) [ 21.640269] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.640282] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 21.640305] Call Trace: [ 21.640321] <TASK> [ 21.640342] dump_stack_lvl+0x73/0xb0 [ 21.640375] print_report+0xd1/0x650 [ 21.640398] ? __virt_addr_valid+0x1db/0x2d0 [ 21.640424] ? kmalloc_big_oob_right+0x316/0x370 [ 21.640445] ? kasan_complete_mode_report_info+0x2a/0x200 [ 21.640470] ? kmalloc_big_oob_right+0x316/0x370 [ 21.640491] kasan_report+0x141/0x180 [ 21.640511] ? kmalloc_big_oob_right+0x316/0x370 [ 21.640536] __asan_report_store1_noabort+0x1b/0x30 [ 21.640559] kmalloc_big_oob_right+0x316/0x370 [ 21.640580] ? __pfx_kmalloc_big_oob_right+0x10/0x10 [ 21.640602] ? __schedule+0x10cc/0x2b60 [ 21.640626] ? __pfx_read_tsc+0x10/0x10 [ 21.640647] ? ktime_get_ts64+0x86/0x230 [ 21.640672] kunit_try_run_case+0x1a5/0x480 [ 21.640697] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.640718] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 21.640742] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 21.640766] ? __kthread_parkme+0x82/0x180 [ 21.641196] ? preempt_count_sub+0x50/0x80 [ 21.641233] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.641258] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.641282] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 21.641311] kthread+0x337/0x6f0 [ 21.641331] ? trace_preempt_on+0x20/0xc0 [ 21.641353] ? __pfx_kthread+0x10/0x10 [ 21.641373] ? _raw_spin_unlock_irq+0x47/0x80 [ 21.641396] ? calculate_sigpending+0x7b/0xa0 [ 21.641420] ? __pfx_kthread+0x10/0x10 [ 21.641440] ret_from_fork+0x116/0x1d0 [ 21.641459] ? __pfx_kthread+0x10/0x10 [ 21.641478] ret_from_fork_asm+0x1a/0x30 [ 21.641509] </TASK> [ 21.641521] [ 21.657341] Allocated by task 173: [ 21.657478] kasan_save_stack+0x45/0x70 [ 21.657624] kasan_save_track+0x18/0x40 [ 21.657750] kasan_save_alloc_info+0x3b/0x50 [ 21.658522] __kasan_kmalloc+0xb7/0xc0 [ 21.658997] __kmalloc_cache_noprof+0x189/0x420 [ 21.659656] kmalloc_big_oob_right+0xa9/0x370 [ 21.660368] kunit_try_run_case+0x1a5/0x480 [ 21.660939] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.661776] kthread+0x337/0x6f0 [ 21.662210] ret_from_fork+0x116/0x1d0 [ 21.662522] ret_from_fork_asm+0x1a/0x30 [ 21.662659] [ 21.662726] The buggy address belongs to the object at ffff888102ce4000 [ 21.662726] which belongs to the cache kmalloc-8k of size 8192 [ 21.664462] The buggy address is located 0 bytes to the right of [ 21.664462] allocated 7936-byte region [ffff888102ce4000, ffff888102ce5f00) [ 21.665334] [ 21.665628] The buggy address belongs to the physical page: [ 21.666356] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102ce0 [ 21.666641] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 21.666867] flags: 0x200000000000040(head|node=0|zone=2) [ 21.667314] page_type: f5(slab) [ 21.667604] raw: 0200000000000040 ffff888100042280 dead000000000122 0000000000000000 [ 21.668382] raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 21.669184] head: 0200000000000040 ffff888100042280 dead000000000122 0000000000000000 [ 21.669989] head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 21.670396] head: 0200000000000003 ffffea00040b3801 00000000ffffffff 00000000ffffffff [ 21.670626] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 21.670874] page dumped because: kasan: bad access detected [ 21.671452] [ 21.671623] Memory state around the buggy address: [ 21.672112] ffff888102ce5e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.672824] ffff888102ce5e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.673622] >ffff888102ce5f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.674182] ^ [ 21.674320] ffff888102ce5f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.674530] ffff888102ce6000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.674737] ==================================================================