Date
July 3, 2025, 6:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.875502] ================================================================== [ 16.875690] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 16.875807] Write of size 16 at addr fff00000c78c1269 by task kunit_try_catch/178 [ 16.876053] [ 16.876098] CPU: 0 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 16.876308] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.876343] Hardware name: linux,dummy-virt (DT) [ 16.876412] Call trace: [ 16.876617] show_stack+0x20/0x38 (C) [ 16.876835] dump_stack_lvl+0x8c/0xd0 [ 16.877069] print_report+0x118/0x608 [ 16.877136] kasan_report+0xdc/0x128 [ 16.877314] kasan_check_range+0x100/0x1a8 [ 16.877466] __asan_memset+0x34/0x78 [ 16.877708] kmalloc_oob_memset_16+0x150/0x2f8 [ 16.877825] kunit_try_run_case+0x170/0x3f0 [ 16.878012] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.878226] kthread+0x328/0x630 [ 16.878294] ret_from_fork+0x10/0x20 [ 16.878546] [ 16.878635] Allocated by task 178: [ 16.878714] kasan_save_stack+0x3c/0x68 [ 16.878983] kasan_save_track+0x20/0x40 [ 16.879126] kasan_save_alloc_info+0x40/0x58 [ 16.879165] __kasan_kmalloc+0xd4/0xd8 [ 16.879200] __kmalloc_cache_noprof+0x16c/0x3c0 [ 16.879246] kmalloc_oob_memset_16+0xb0/0x2f8 [ 16.879324] kunit_try_run_case+0x170/0x3f0 [ 16.879363] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.879405] kthread+0x328/0x630 [ 16.879436] ret_from_fork+0x10/0x20 [ 16.879472] [ 16.879492] The buggy address belongs to the object at fff00000c78c1200 [ 16.879492] which belongs to the cache kmalloc-128 of size 128 [ 16.879568] The buggy address is located 105 bytes inside of [ 16.879568] allocated 120-byte region [fff00000c78c1200, fff00000c78c1278) [ 16.879648] [ 16.879668] The buggy address belongs to the physical page: [ 16.879704] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078c1 [ 16.879762] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.879828] page_type: f5(slab) [ 16.879865] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 16.879922] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.879968] page dumped because: kasan: bad access detected [ 16.880007] [ 16.880025] Memory state around the buggy address: [ 16.880065] fff00000c78c1100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.880106] fff00000c78c1180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.880146] >fff00000c78c1200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.880182] ^ [ 16.880222] fff00000c78c1280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.880263] fff00000c78c1300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.880299] ==================================================================
[ 11.627829] ================================================================== [ 11.628623] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 11.629245] Write of size 16 at addr ffff888103328869 by task kunit_try_catch/196 [ 11.630045] [ 11.630359] CPU: 1 UID: 0 PID: 196 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.630406] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.630417] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.630437] Call Trace: [ 11.630451] <TASK> [ 11.630486] dump_stack_lvl+0x73/0xb0 [ 11.630515] print_report+0xd1/0x650 [ 11.630538] ? __virt_addr_valid+0x1db/0x2d0 [ 11.630563] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.630585] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.630606] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.630627] kasan_report+0x141/0x180 [ 11.630648] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.630673] kasan_check_range+0x10c/0x1c0 [ 11.630696] __asan_memset+0x27/0x50 [ 11.630715] kmalloc_oob_memset_16+0x166/0x330 [ 11.630737] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 11.630758] ? __schedule+0x10cc/0x2b60 [ 11.630779] ? __pfx_read_tsc+0x10/0x10 [ 11.630800] ? ktime_get_ts64+0x86/0x230 [ 11.630824] kunit_try_run_case+0x1a5/0x480 [ 11.630849] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.630870] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.630894] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.630916] ? __kthread_parkme+0x82/0x180 [ 11.630936] ? preempt_count_sub+0x50/0x80 [ 11.630958] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.630980] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.631002] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.631023] kthread+0x337/0x6f0 [ 11.631042] ? trace_preempt_on+0x20/0xc0 [ 11.631065] ? __pfx_kthread+0x10/0x10 [ 11.631084] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.631115] ? calculate_sigpending+0x7b/0xa0 [ 11.631163] ? __pfx_kthread+0x10/0x10 [ 11.631184] ret_from_fork+0x116/0x1d0 [ 11.631201] ? __pfx_kthread+0x10/0x10 [ 11.631227] ret_from_fork_asm+0x1a/0x30 [ 11.631269] </TASK> [ 11.631280] [ 11.643944] Allocated by task 196: [ 11.644433] kasan_save_stack+0x45/0x70 [ 11.644821] kasan_save_track+0x18/0x40 [ 11.645068] kasan_save_alloc_info+0x3b/0x50 [ 11.645235] __kasan_kmalloc+0xb7/0xc0 [ 11.645371] __kmalloc_cache_noprof+0x189/0x420 [ 11.645529] kmalloc_oob_memset_16+0xac/0x330 [ 11.645677] kunit_try_run_case+0x1a5/0x480 [ 11.645823] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.645999] kthread+0x337/0x6f0 [ 11.646228] ret_from_fork+0x116/0x1d0 [ 11.646622] ret_from_fork_asm+0x1a/0x30 [ 11.646996] [ 11.647240] The buggy address belongs to the object at ffff888103328800 [ 11.647240] which belongs to the cache kmalloc-128 of size 128 [ 11.648425] The buggy address is located 105 bytes inside of [ 11.648425] allocated 120-byte region [ffff888103328800, ffff888103328878) [ 11.649577] [ 11.649742] The buggy address belongs to the physical page: [ 11.650320] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103328 [ 11.651015] flags: 0x200000000000000(node=0|zone=2) [ 11.651473] page_type: f5(slab) [ 11.651603] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.651835] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.652060] page dumped because: kasan: bad access detected [ 11.652439] [ 11.652515] Memory state around the buggy address: [ 11.652741] ffff888103328700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.653028] ffff888103328780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.653511] >ffff888103328800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.653820] ^ [ 11.654063] ffff888103328880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.654503] ffff888103328900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.654765] ==================================================================