Date
June 17, 2025, 3:39 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 92.850447] ================================================================== [ 92.851716] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0xd8/0x1e8 [ 92.852450] Write of size 8 at addr ffff0000c5f8ae71 by task kunit_try_catch/155 [ 92.853237] [ 92.853491] CPU: 1 PID: 155 Comm: kunit_try_catch Tainted: G B N 6.6.94-rc1 #1 [ 92.854139] Hardware name: linux,dummy-virt (DT) [ 92.854614] Call trace: [ 92.854912] dump_backtrace+0x9c/0x128 [ 92.855347] show_stack+0x20/0x38 [ 92.855803] dump_stack_lvl+0x60/0xb0 [ 92.856381] print_report+0xf8/0x5e8 [ 92.856771] kasan_report+0xdc/0x128 [ 92.857298] kasan_check_range+0xe8/0x190 [ 92.857781] __asan_memset+0x34/0x78 [ 92.858159] kmalloc_oob_memset_8+0xd8/0x1e8 [ 92.858524] kunit_try_run_case+0x114/0x298 [ 92.859170] kunit_generic_run_threadfn_adapter+0x38/0x60 [ 92.859854] kthread+0x18c/0x1a8 [ 92.860266] ret_from_fork+0x10/0x20 [ 92.860714] [ 92.860937] Allocated by task 155: [ 92.861271] kasan_save_stack+0x3c/0x68 [ 92.861798] kasan_set_track+0x2c/0x40 [ 92.862264] kasan_save_alloc_info+0x24/0x38 [ 92.862923] __kasan_kmalloc+0xd4/0xd8 [ 92.863425] kmalloc_trace+0x68/0x130 [ 92.863870] kmalloc_oob_memset_8+0xa0/0x1e8 [ 92.864543] kunit_try_run_case+0x114/0x298 [ 92.865089] kunit_generic_run_threadfn_adapter+0x38/0x60 [ 92.865781] kthread+0x18c/0x1a8 [ 92.866214] ret_from_fork+0x10/0x20 [ 92.866706] [ 92.866922] The buggy address belongs to the object at ffff0000c5f8ae00 [ 92.866922] which belongs to the cache kmalloc-128 of size 128 [ 92.868045] The buggy address is located 113 bytes inside of [ 92.868045] allocated 120-byte region [ffff0000c5f8ae00, ffff0000c5f8ae78) [ 92.869126] [ 92.869430] The buggy address belongs to the physical page: [ 92.869949] page:00000000678618b8 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105f8a [ 92.870890] flags: 0xbfffc0000000800(slab|node=0|zone=2|lastcpupid=0xffff) [ 92.871627] page_type: 0xffffffff() [ 92.872126] raw: 0bfffc0000000800 ffff0000c00018c0 dead000000000122 0000000000000000 [ 92.872842] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 92.873563] page dumped because: kasan: bad access detected [ 92.874104] [ 92.874348] Memory state around the buggy address: [ 92.874925] ffff0000c5f8ad00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 92.875427] ffff0000c5f8ad80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 92.876005] >ffff0000c5f8ae00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 92.876465] ^ [ 92.877093] ffff0000c5f8ae80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 92.877843] ffff0000c5f8af00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 92.878457] ==================================================================
[ 34.002585] ================================================================== [ 34.003195] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0xdd/0x1e0 [ 34.003550] Write of size 8 at addr ffff888102797571 by task kunit_try_catch/170 [ 34.003912] [ 34.004161] CPU: 1 PID: 170 Comm: kunit_try_catch Tainted: G B N 6.6.94-rc1 #1 [ 34.006016] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 34.007351] Call Trace: [ 34.007834] <TASK> [ 34.008364] dump_stack_lvl+0x4e/0x90 [ 34.009100] print_report+0xd2/0x650 [ 34.009748] ? __virt_addr_valid+0x156/0x1e0 [ 34.010444] ? kmalloc_oob_memset_8+0xdd/0x1e0 [ 34.011152] ? kasan_complete_mode_report_info+0x2a/0x200 [ 34.012031] ? kmalloc_oob_memset_8+0xdd/0x1e0 [ 34.012795] kasan_report+0x147/0x180 [ 34.013398] ? kmalloc_oob_memset_8+0xdd/0x1e0 [ 34.013980] kasan_check_range+0x10c/0x1c0 [ 34.014284] __asan_memset+0x27/0x50 [ 34.014699] kmalloc_oob_memset_8+0xdd/0x1e0 [ 34.015017] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 34.015320] ? __schedule+0x715/0x11a0 [ 34.015558] ? ktime_get_ts64+0x118/0x140 [ 34.015821] kunit_try_run_case+0x120/0x290 [ 34.016586] ? __pfx_kunit_try_run_case+0x10/0x10 [ 34.016967] ? __kasan_check_write+0x18/0x20 [ 34.017228] ? trace_preempt_on+0x20/0xa0 [ 34.017768] ? __kthread_parkme+0x4f/0xd0 [ 34.018206] ? preempt_count_sub+0x50/0x80 [ 34.018517] ? __pfx_kunit_try_run_case+0x10/0x10 [ 34.019070] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 34.019660] kunit_generic_run_threadfn_adapter+0x33/0x50 [ 34.020158] kthread+0x19e/0x1e0 [ 34.020438] ? __pfx_kthread+0x10/0x10 [ 34.020906] ret_from_fork+0x41/0x70 [ 34.021283] ? __pfx_kthread+0x10/0x10 [ 34.021692] ret_from_fork_asm+0x1b/0x30 [ 34.022162] </TASK> [ 34.022497] [ 34.022628] Allocated by task 170: [ 34.023219] kasan_save_stack+0x44/0x70 [ 34.023560] kasan_set_track+0x29/0x40 [ 34.023825] kasan_save_alloc_info+0x22/0x30 [ 34.024394] __kasan_kmalloc+0xb7/0xc0 [ 34.024904] kmalloc_trace+0x4c/0xb0 [ 34.025113] kmalloc_oob_memset_8+0x9f/0x1e0 [ 34.025337] kunit_try_run_case+0x120/0x290 [ 34.026177] kunit_generic_run_threadfn_adapter+0x33/0x50 [ 34.027016] kthread+0x19e/0x1e0 [ 34.027583] ret_from_fork+0x41/0x70 [ 34.028238] ret_from_fork_asm+0x1b/0x30 [ 34.028926] [ 34.029290] The buggy address belongs to the object at ffff888102797500 [ 34.029290] which belongs to the cache kmalloc-128 of size 128 [ 34.030599] The buggy address is located 113 bytes inside of [ 34.030599] allocated 120-byte region [ffff888102797500, ffff888102797578) [ 34.032168] [ 34.032526] The buggy address belongs to the physical page: [ 34.033220] page:(____ptrval____) refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102797 [ 34.034115] flags: 0x200000000000800(slab|node=0|zone=2) [ 34.034444] page_type: 0xffffffff() [ 34.035153] raw: 0200000000000800 ffff8881000418c0 dead000000000122 0000000000000000 [ 34.036160] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 34.037177] page dumped because: kasan: bad access detected [ 34.037888] [ 34.038128] Memory state around the buggy address: [ 34.038506] ffff888102797400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 34.039564] ffff888102797480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.040457] >ffff888102797500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 34.041015] ^ [ 34.041939] ffff888102797580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.042826] ffff888102797600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.043586] ==================================================================