Date
June 17, 2025, 3:39 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 92.689159] ================================================================== [ 92.690347] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0xd4/0x1e8 [ 92.691504] Write of size 128 at addr ffff0000c6077300 by task kunit_try_catch/149 [ 92.692768] [ 92.693326] CPU: 0 PID: 149 Comm: kunit_try_catch Tainted: G B N 6.6.94-rc1 #1 [ 92.694525] Hardware name: linux,dummy-virt (DT) [ 92.696006] Call trace: [ 92.696600] dump_backtrace+0x9c/0x128 [ 92.697268] show_stack+0x20/0x38 [ 92.698342] dump_stack_lvl+0x60/0xb0 [ 92.699074] print_report+0xf8/0x5e8 [ 92.699806] kasan_report+0xdc/0x128 [ 92.700910] kasan_check_range+0xe8/0x190 [ 92.701541] __asan_memset+0x34/0x78 [ 92.702403] kmalloc_oob_in_memset+0xd4/0x1e8 [ 92.703405] kunit_try_run_case+0x114/0x298 [ 92.704292] kunit_generic_run_threadfn_adapter+0x38/0x60 [ 92.705385] kthread+0x18c/0x1a8 [ 92.706217] ret_from_fork+0x10/0x20 [ 92.707072] [ 92.707456] Allocated by task 149: [ 92.707996] kasan_save_stack+0x3c/0x68 [ 92.709249] kasan_set_track+0x2c/0x40 [ 92.709968] kasan_save_alloc_info+0x24/0x38 [ 92.710876] __kasan_kmalloc+0xd4/0xd8 [ 92.712037] kmalloc_trace+0x68/0x130 [ 92.714077] kmalloc_oob_in_memset+0xa0/0x1e8 [ 92.716628] kunit_try_run_case+0x114/0x298 [ 92.717852] kunit_generic_run_threadfn_adapter+0x38/0x60 [ 92.719309] kthread+0x18c/0x1a8 [ 92.720702] ret_from_fork+0x10/0x20 [ 92.722567] [ 92.722942] The buggy address belongs to the object at ffff0000c6077300 [ 92.722942] which belongs to the cache kmalloc-128 of size 128 [ 92.724552] The buggy address is located 0 bytes inside of [ 92.724552] allocated 120-byte region [ffff0000c6077300, ffff0000c6077378) [ 92.726184] [ 92.726590] The buggy address belongs to the physical page: [ 92.727572] page:000000001b5b04a5 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106077 [ 92.728644] flags: 0xbfffc0000000800(slab|node=0|zone=2|lastcpupid=0xffff) [ 92.729559] page_type: 0xffffffff() [ 92.729896] raw: 0bfffc0000000800 ffff0000c00018c0 dead000000000122 0000000000000000 [ 92.730374] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 92.732015] page dumped because: kasan: bad access detected [ 92.732958] [ 92.733369] Memory state around the buggy address: [ 92.734193] ffff0000c6077200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 92.736293] ffff0000c6077280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 92.737357] >ffff0000c6077300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 92.738380] ^ [ 92.739427] ffff0000c6077380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 92.740541] ffff0000c6077400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 92.742016] ==================================================================
[ 33.902840] ================================================================== [ 33.903501] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0xda/0x1e0 [ 33.904263] Write of size 128 at addr ffff888102862200 by task kunit_try_catch/164 [ 33.904634] [ 33.904775] CPU: 0 PID: 164 Comm: kunit_try_catch Tainted: G B N 6.6.94-rc1 #1 [ 33.905291] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 33.906234] Call Trace: [ 33.906594] <TASK> [ 33.906794] dump_stack_lvl+0x4e/0x90 [ 33.907269] print_report+0xd2/0x650 [ 33.907545] ? __virt_addr_valid+0x156/0x1e0 [ 33.908011] ? kmalloc_oob_in_memset+0xda/0x1e0 [ 33.908330] ? kasan_complete_mode_report_info+0x2a/0x200 [ 33.908891] ? kmalloc_oob_in_memset+0xda/0x1e0 [ 33.909315] kasan_report+0x147/0x180 [ 33.909747] ? kmalloc_oob_in_memset+0xda/0x1e0 [ 33.910103] kasan_check_range+0x10c/0x1c0 [ 33.910544] __asan_memset+0x27/0x50 [ 33.910955] kmalloc_oob_in_memset+0xda/0x1e0 [ 33.911260] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 33.911733] ? __schedule+0x715/0x11a0 [ 33.912115] ? ktime_get_ts64+0x118/0x140 [ 33.912504] kunit_try_run_case+0x120/0x290 [ 33.913001] ? __pfx_kunit_try_run_case+0x10/0x10 [ 33.913311] ? __kasan_check_write+0x18/0x20 [ 33.913698] ? trace_preempt_on+0x20/0xa0 [ 33.914093] ? __kthread_parkme+0x4f/0xd0 [ 33.914386] ? preempt_count_sub+0x50/0x80 [ 33.914825] ? __pfx_kunit_try_run_case+0x10/0x10 [ 33.915254] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 33.915654] kunit_generic_run_threadfn_adapter+0x33/0x50 [ 33.916152] kthread+0x19e/0x1e0 [ 33.916513] ? __pfx_kthread+0x10/0x10 [ 33.916938] ret_from_fork+0x41/0x70 [ 33.917306] ? __pfx_kthread+0x10/0x10 [ 33.917592] ret_from_fork_asm+0x1b/0x30 [ 33.918051] </TASK> [ 33.918329] [ 33.918444] Allocated by task 164: [ 33.918789] kasan_save_stack+0x44/0x70 [ 33.919083] kasan_set_track+0x29/0x40 [ 33.919323] kasan_save_alloc_info+0x22/0x30 [ 33.919575] __kasan_kmalloc+0xb7/0xc0 [ 33.919966] kmalloc_trace+0x4c/0xb0 [ 33.920479] kmalloc_oob_in_memset+0x9f/0x1e0 [ 33.920904] kunit_try_run_case+0x120/0x290 [ 33.921296] kunit_generic_run_threadfn_adapter+0x33/0x50 [ 33.921719] kthread+0x19e/0x1e0 [ 33.922080] ret_from_fork+0x41/0x70 [ 33.922334] ret_from_fork_asm+0x1b/0x30 [ 33.922742] [ 33.922989] The buggy address belongs to the object at ffff888102862200 [ 33.922989] which belongs to the cache kmalloc-128 of size 128 [ 33.923752] The buggy address is located 0 bytes inside of [ 33.923752] allocated 120-byte region [ffff888102862200, ffff888102862278) [ 33.924550] [ 33.924836] The buggy address belongs to the physical page: [ 33.925261] page:(____ptrval____) refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102862 [ 33.925976] flags: 0x200000000000800(slab|node=0|zone=2) [ 33.926318] page_type: 0xffffffff() [ 33.926722] raw: 0200000000000800 ffff8881000418c0 dead000000000122 0000000000000000 [ 33.927266] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 33.927802] page dumped because: kasan: bad access detected [ 33.928134] [ 33.928455] Memory state around the buggy address: [ 33.928895] ffff888102862100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 33.929382] ffff888102862180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.929794] >ffff888102862200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 33.930344] ^ [ 33.930899] ffff888102862280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.931413] ffff888102862300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.931946] ==================================================================