Date
July 3, 2025, 6:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.806751] ================================================================== [ 16.806815] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 16.806960] Write of size 128 at addr fff00000c652de00 by task kunit_try_catch/170 [ 16.807014] [ 16.807210] CPU: 0 UID: 0 PID: 170 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 16.807304] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.807330] Hardware name: linux,dummy-virt (DT) [ 16.807727] Call trace: [ 16.807767] show_stack+0x20/0x38 (C) [ 16.807820] dump_stack_lvl+0x8c/0xd0 [ 16.807991] print_report+0x118/0x608 [ 16.808064] kasan_report+0xdc/0x128 [ 16.808109] kasan_check_range+0x100/0x1a8 [ 16.808352] __asan_memset+0x34/0x78 [ 16.808415] kmalloc_oob_in_memset+0x144/0x2d0 [ 16.808468] kunit_try_run_case+0x170/0x3f0 [ 16.808597] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.808706] kthread+0x328/0x630 [ 16.808825] ret_from_fork+0x10/0x20 [ 16.808874] [ 16.808892] Allocated by task 170: [ 16.808945] kasan_save_stack+0x3c/0x68 [ 16.809256] kasan_save_track+0x20/0x40 [ 16.809443] kasan_save_alloc_info+0x40/0x58 [ 16.809593] __kasan_kmalloc+0xd4/0xd8 [ 16.809672] __kmalloc_cache_noprof+0x16c/0x3c0 [ 16.809756] kmalloc_oob_in_memset+0xb0/0x2d0 [ 16.809866] kunit_try_run_case+0x170/0x3f0 [ 16.810087] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.810340] kthread+0x328/0x630 [ 16.810408] ret_from_fork+0x10/0x20 [ 16.810585] [ 16.810704] The buggy address belongs to the object at fff00000c652de00 [ 16.810704] which belongs to the cache kmalloc-128 of size 128 [ 16.810800] The buggy address is located 0 bytes inside of [ 16.810800] allocated 120-byte region [fff00000c652de00, fff00000c652de78) [ 16.811224] [ 16.811429] The buggy address belongs to the physical page: [ 16.811466] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10652d [ 16.811692] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.811974] page_type: f5(slab) [ 16.812081] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 16.812277] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.812369] page dumped because: kasan: bad access detected [ 16.812662] [ 16.812719] Memory state around the buggy address: [ 16.812903] fff00000c652dd00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.812988] fff00000c652dd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.813123] >fff00000c652de00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.813221] ^ [ 16.813355] fff00000c652de80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.813397] fff00000c652df00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.813440] ==================================================================
[ 11.517421] ================================================================== [ 11.518023] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 11.518543] Write of size 128 at addr ffff8881029db400 by task kunit_try_catch/188 [ 11.518862] [ 11.519045] CPU: 0 UID: 0 PID: 188 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.519091] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.519102] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.519135] Call Trace: [ 11.519146] <TASK> [ 11.519231] dump_stack_lvl+0x73/0xb0 [ 11.519264] print_report+0xd1/0x650 [ 11.519287] ? __virt_addr_valid+0x1db/0x2d0 [ 11.519310] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.519331] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.519352] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.519374] kasan_report+0x141/0x180 [ 11.519395] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.519421] kasan_check_range+0x10c/0x1c0 [ 11.519444] __asan_memset+0x27/0x50 [ 11.519464] kmalloc_oob_in_memset+0x15f/0x320 [ 11.519511] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 11.519535] ? __schedule+0x10cc/0x2b60 [ 11.519556] ? __pfx_read_tsc+0x10/0x10 [ 11.519577] ? ktime_get_ts64+0x86/0x230 [ 11.519600] kunit_try_run_case+0x1a5/0x480 [ 11.519625] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.519646] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.519669] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.519690] ? __kthread_parkme+0x82/0x180 [ 11.519710] ? preempt_count_sub+0x50/0x80 [ 11.519733] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.519756] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.519778] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.519800] kthread+0x337/0x6f0 [ 11.519818] ? trace_preempt_on+0x20/0xc0 [ 11.519841] ? __pfx_kthread+0x10/0x10 [ 11.519860] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.519880] ? calculate_sigpending+0x7b/0xa0 [ 11.519902] ? __pfx_kthread+0x10/0x10 [ 11.519923] ret_from_fork+0x116/0x1d0 [ 11.519940] ? __pfx_kthread+0x10/0x10 [ 11.519960] ret_from_fork_asm+0x1a/0x30 [ 11.519989] </TASK> [ 11.520000] [ 11.528064] Allocated by task 188: [ 11.528218] kasan_save_stack+0x45/0x70 [ 11.528369] kasan_save_track+0x18/0x40 [ 11.528546] kasan_save_alloc_info+0x3b/0x50 [ 11.528756] __kasan_kmalloc+0xb7/0xc0 [ 11.528944] __kmalloc_cache_noprof+0x189/0x420 [ 11.529413] kmalloc_oob_in_memset+0xac/0x320 [ 11.529641] kunit_try_run_case+0x1a5/0x480 [ 11.529824] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.530051] kthread+0x337/0x6f0 [ 11.530336] ret_from_fork+0x116/0x1d0 [ 11.530534] ret_from_fork_asm+0x1a/0x30 [ 11.530747] [ 11.530838] The buggy address belongs to the object at ffff8881029db400 [ 11.530838] which belongs to the cache kmalloc-128 of size 128 [ 11.531469] The buggy address is located 0 bytes inside of [ 11.531469] allocated 120-byte region [ffff8881029db400, ffff8881029db478) [ 11.531982] [ 11.532076] The buggy address belongs to the physical page: [ 11.532418] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029db [ 11.532759] flags: 0x200000000000000(node=0|zone=2) [ 11.532990] page_type: f5(slab) [ 11.533323] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.533707] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.534054] page dumped because: kasan: bad access detected [ 11.534321] [ 11.534423] Memory state around the buggy address: [ 11.534598] ffff8881029db300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.534819] ffff8881029db380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.535139] >ffff8881029db400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.535470] ^ [ 11.535789] ffff8881029db480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.536082] ffff8881029db500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.536462] ==================================================================