Date
July 3, 2025, 10:10 a.m.
| Environment | |
|---|---|
| dragonboard-845c | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 40.021323] ================================================================== [ 40.032797] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 40.040122] Write of size 8 at addr ffff000082240071 by task kunit_try_catch/285 [ 40.047621] [ 40.049153] CPU: 3 UID: 0 PID: 285 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250703 #1 PREEMPT [ 40.049184] Tainted: [B]=BAD_PAGE, [N]=TEST [ 40.049192] Hardware name: Thundercomm Dragonboard 845c (DT) [ 40.049203] Call trace: [ 40.049211] show_stack+0x20/0x38 (C) [ 40.049229] dump_stack_lvl+0x8c/0xd0 [ 40.049249] print_report+0x118/0x608 [ 40.049268] kasan_report+0xdc/0x128 [ 40.049287] kasan_check_range+0x100/0x1a8 [ 40.049308] __asan_memset+0x34/0x78 [ 40.049323] kmalloc_oob_memset_8+0x150/0x2f8 [ 40.049341] kunit_try_run_case+0x170/0x3f0 [ 40.049361] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 40.049383] kthread+0x328/0x630 [ 40.049397] ret_from_fork+0x10/0x20 [ 40.049415] [ 40.118214] Allocated by task 285: [ 40.121673] kasan_save_stack+0x3c/0x68 [ 40.125581] kasan_save_track+0x20/0x40 [ 40.129489] kasan_save_alloc_info+0x40/0x58 [ 40.133827] __kasan_kmalloc+0xd4/0xd8 [ 40.137648] __kmalloc_cache_noprof+0x16c/0x3c0 [ 40.142258] kmalloc_oob_memset_8+0xb0/0x2f8 [ 40.146598] kunit_try_run_case+0x170/0x3f0 [ 40.150849] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 40.156425] kthread+0x328/0x630 [ 40.159717] ret_from_fork+0x10/0x20 [ 40.163356] [ 40.164892] The buggy address belongs to the object at ffff000082240000 [ 40.164892] which belongs to the cache kmalloc-128 of size 128 [ 40.177554] The buggy address is located 113 bytes inside of [ 40.177554] allocated 120-byte region [ffff000082240000, ffff000082240078) [ 40.190303] [ 40.191839] The buggy address belongs to the physical page: [ 40.197485] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102240 [ 40.205595] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 40.213348] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 40.220400] page_type: f5(slab) [ 40.223607] raw: 0bfffe0000000040 ffff000080002a00 dead000000000122 0000000000000000 [ 40.231449] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 40.239292] head: 0bfffe0000000040 ffff000080002a00 dead000000000122 0000000000000000 [ 40.247232] head: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 40.255171] head: 0bfffe0000000001 fffffdffc2089001 00000000ffffffff 00000000ffffffff [ 40.263111] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 40.271036] page dumped because: kasan: bad access detected [ 40.276689] [ 40.278219] Memory state around the buggy address: [ 40.283080] ffff00008223ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 40.290404] ffff00008223ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 40.297725] >ffff000082240000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 40.305044] ^ [ 40.312277] ffff000082240080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 40.319593] ffff000082240100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 40.326915] ==================================================================
[ 31.114949] ================================================================== [ 31.115061] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 31.115374] Write of size 8 at addr fff00000c9ae3271 by task kunit_try_catch/208 [ 31.115427] [ 31.115461] CPU: 0 UID: 0 PID: 208 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250703 #1 PREEMPT [ 31.115639] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.115697] Hardware name: linux,dummy-virt (DT) [ 31.115731] Call trace: [ 31.115884] show_stack+0x20/0x38 (C) [ 31.115942] dump_stack_lvl+0x8c/0xd0 [ 31.116314] print_report+0x118/0x608 [ 31.116376] kasan_report+0xdc/0x128 [ 31.116430] kasan_check_range+0x100/0x1a8 [ 31.116479] __asan_memset+0x34/0x78 [ 31.116523] kmalloc_oob_memset_8+0x150/0x2f8 [ 31.116569] kunit_try_run_case+0x170/0x3f0 [ 31.117088] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.117213] kthread+0x328/0x630 [ 31.117348] ret_from_fork+0x10/0x20 [ 31.117537] [ 31.117559] Allocated by task 208: [ 31.117587] kasan_save_stack+0x3c/0x68 [ 31.117809] kasan_save_track+0x20/0x40 [ 31.118017] kasan_save_alloc_info+0x40/0x58 [ 31.118162] __kasan_kmalloc+0xd4/0xd8 [ 31.118331] __kmalloc_cache_noprof+0x16c/0x3c0 [ 31.118633] kmalloc_oob_memset_8+0xb0/0x2f8 [ 31.118782] kunit_try_run_case+0x170/0x3f0 [ 31.118981] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.119116] kthread+0x328/0x630 [ 31.119264] ret_from_fork+0x10/0x20 [ 31.119467] [ 31.119491] The buggy address belongs to the object at fff00000c9ae3200 [ 31.119491] which belongs to the cache kmalloc-128 of size 128 [ 31.119580] The buggy address is located 113 bytes inside of [ 31.119580] allocated 120-byte region [fff00000c9ae3200, fff00000c9ae3278) [ 31.119829] [ 31.119884] The buggy address belongs to the physical page: [ 31.120112] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109ae3 [ 31.120205] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 31.120360] page_type: f5(slab) [ 31.120428] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 31.120505] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 31.120721] page dumped because: kasan: bad access detected [ 31.120854] [ 31.121007] Memory state around the buggy address: [ 31.121183] fff00000c9ae3100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 31.121319] fff00000c9ae3180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.121445] >fff00000c9ae3200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 31.121712] ^ [ 31.122000] fff00000c9ae3280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.122103] fff00000c9ae3300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.122209] ==================================================================
[ 23.281790] ================================================================== [ 23.282538] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 23.282871] Write of size 8 at addr ffff888105479e71 by task kunit_try_catch/225 [ 23.283320] [ 23.283415] CPU: 1 UID: 0 PID: 225 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250703 #1 PREEMPT(voluntary) [ 23.283477] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.283489] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.283510] Call Trace: [ 23.283522] <TASK> [ 23.283537] dump_stack_lvl+0x73/0xb0 [ 23.283565] print_report+0xd1/0x650 [ 23.283587] ? __virt_addr_valid+0x1db/0x2d0 [ 23.283609] ? kmalloc_oob_memset_8+0x166/0x330 [ 23.283630] ? kasan_complete_mode_report_info+0x2a/0x200 [ 23.283654] ? kmalloc_oob_memset_8+0x166/0x330 [ 23.283675] kasan_report+0x141/0x180 [ 23.283695] ? kmalloc_oob_memset_8+0x166/0x330 [ 23.283721] kasan_check_range+0x10c/0x1c0 [ 23.283743] __asan_memset+0x27/0x50 [ 23.283765] kmalloc_oob_memset_8+0x166/0x330 [ 23.283786] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 23.283808] ? __schedule+0x10cc/0x2b60 [ 23.283832] ? __pfx_read_tsc+0x10/0x10 [ 23.283853] ? ktime_get_ts64+0x86/0x230 [ 23.283876] kunit_try_run_case+0x1a5/0x480 [ 23.283900] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.283922] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 23.283943] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 23.283968] ? __kthread_parkme+0x82/0x180 [ 23.283988] ? preempt_count_sub+0x50/0x80 [ 23.284010] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.284034] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.284057] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 23.284080] kthread+0x337/0x6f0 [ 23.284099] ? trace_preempt_on+0x20/0xc0 [ 23.284121] ? __pfx_kthread+0x10/0x10 [ 23.284141] ? _raw_spin_unlock_irq+0x47/0x80 [ 23.284221] ? calculate_sigpending+0x7b/0xa0 [ 23.284244] ? __pfx_kthread+0x10/0x10 [ 23.284266] ret_from_fork+0x116/0x1d0 [ 23.284285] ? __pfx_kthread+0x10/0x10 [ 23.284305] ret_from_fork_asm+0x1a/0x30 [ 23.284336] </TASK> [ 23.284347] [ 23.293799] Allocated by task 225: [ 23.293965] kasan_save_stack+0x45/0x70 [ 23.294472] kasan_save_track+0x18/0x40 [ 23.294718] kasan_save_alloc_info+0x3b/0x50 [ 23.295020] __kasan_kmalloc+0xb7/0xc0 [ 23.295617] __kmalloc_cache_noprof+0x189/0x420 [ 23.295835] kmalloc_oob_memset_8+0xac/0x330 [ 23.296018] kunit_try_run_case+0x1a5/0x480 [ 23.296547] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.296915] kthread+0x337/0x6f0 [ 23.297212] ret_from_fork+0x116/0x1d0 [ 23.297597] ret_from_fork_asm+0x1a/0x30 [ 23.297794] [ 23.297880] The buggy address belongs to the object at ffff888105479e00 [ 23.297880] which belongs to the cache kmalloc-128 of size 128 [ 23.298806] The buggy address is located 113 bytes inside of [ 23.298806] allocated 120-byte region [ffff888105479e00, ffff888105479e78) [ 23.299923] [ 23.300036] The buggy address belongs to the physical page: [ 23.300261] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105479 [ 23.300624] flags: 0x200000000000000(node=0|zone=2) [ 23.300945] page_type: f5(slab) [ 23.301105] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 23.301443] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 23.301747] page dumped because: kasan: bad access detected [ 23.301937] [ 23.302027] Memory state around the buggy address: [ 23.302263] ffff888105479d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 23.302561] ffff888105479d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.302831] >ffff888105479e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 23.303103] ^ [ 23.303391] ffff888105479e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.303859] ffff888105479f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.304129] ==================================================================