Date
July 9, 2025, 2:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.996354] ================================================================== [ 16.996425] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 16.996480] Write of size 128 at addr fff00000c7767300 by task kunit_try_catch/170 [ 16.996592] [ 16.996640] CPU: 0 UID: 0 PID: 170 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 16.996730] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.996947] Hardware name: linux,dummy-virt (DT) [ 16.997025] Call trace: [ 16.997051] show_stack+0x20/0x38 (C) [ 16.997142] dump_stack_lvl+0x8c/0xd0 [ 16.997202] print_report+0x118/0x608 [ 16.997266] kasan_report+0xdc/0x128 [ 16.997315] kasan_check_range+0x100/0x1a8 [ 16.997363] __asan_memset+0x34/0x78 [ 16.997426] kmalloc_oob_in_memset+0x144/0x2d0 [ 16.997474] kunit_try_run_case+0x170/0x3f0 [ 16.997522] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.997584] kthread+0x328/0x630 [ 16.997677] ret_from_fork+0x10/0x20 [ 16.997730] [ 16.997748] Allocated by task 170: [ 16.997777] kasan_save_stack+0x3c/0x68 [ 16.998062] kasan_save_track+0x20/0x40 [ 16.998148] kasan_save_alloc_info+0x40/0x58 [ 16.998238] __kasan_kmalloc+0xd4/0xd8 [ 16.998497] __kmalloc_cache_noprof+0x16c/0x3c0 [ 16.998543] kmalloc_oob_in_memset+0xb0/0x2d0 [ 16.998581] kunit_try_run_case+0x170/0x3f0 [ 16.998667] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.998725] kthread+0x328/0x630 [ 16.998815] ret_from_fork+0x10/0x20 [ 16.998900] [ 16.998947] The buggy address belongs to the object at fff00000c7767300 [ 16.998947] which belongs to the cache kmalloc-128 of size 128 [ 16.999030] The buggy address is located 0 bytes inside of [ 16.999030] allocated 120-byte region [fff00000c7767300, fff00000c7767378) [ 16.999148] [ 16.999220] The buggy address belongs to the physical page: [ 16.999274] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107767 [ 16.999341] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.999512] page_type: f5(slab) [ 16.999650] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 16.999815] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.999884] page dumped because: kasan: bad access detected [ 16.999972] [ 17.000008] Memory state around the buggy address: [ 17.000047] fff00000c7767200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.000306] fff00000c7767280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.000418] >fff00000c7767300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 17.000520] ^ [ 17.002019] fff00000c7767380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.002301] fff00000c7767400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.002355] ==================================================================
[ 12.804005] ================================================================== [ 12.804554] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 12.805061] Write of size 128 at addr ffff888102c29d00 by task kunit_try_catch/187 [ 12.805850] [ 12.806092] CPU: 1 UID: 0 PID: 187 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.806140] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.806152] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.806173] Call Trace: [ 12.806186] <TASK> [ 12.806203] dump_stack_lvl+0x73/0xb0 [ 12.806236] print_report+0xd1/0x650 [ 12.806258] ? __virt_addr_valid+0x1db/0x2d0 [ 12.806283] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.806305] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.806328] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.806350] kasan_report+0x141/0x180 [ 12.806371] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.806397] kasan_check_range+0x10c/0x1c0 [ 12.806420] __asan_memset+0x27/0x50 [ 12.806439] kmalloc_oob_in_memset+0x15f/0x320 [ 12.806460] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 12.806483] ? __schedule+0x10cc/0x2b60 [ 12.806505] ? __pfx_read_tsc+0x10/0x10 [ 12.806527] ? ktime_get_ts64+0x86/0x230 [ 12.806553] kunit_try_run_case+0x1a5/0x480 [ 12.806578] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.806616] ? irqentry_exit+0x2a/0x60 [ 12.806640] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.806668] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.806692] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.806715] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.806740] kthread+0x337/0x6f0 [ 12.806833] ? trace_preempt_on+0x20/0xc0 [ 12.806861] ? __pfx_kthread+0x10/0x10 [ 12.806893] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.806919] ? calculate_sigpending+0x7b/0xa0 [ 12.806944] ? __pfx_kthread+0x10/0x10 [ 12.806964] ret_from_fork+0x116/0x1d0 [ 12.806983] ? __pfx_kthread+0x10/0x10 [ 12.807002] ret_from_fork_asm+0x1a/0x30 [ 12.807036] </TASK> [ 12.807046] [ 12.821049] Allocated by task 187: [ 12.821366] kasan_save_stack+0x45/0x70 [ 12.821710] kasan_save_track+0x18/0x40 [ 12.821858] kasan_save_alloc_info+0x3b/0x50 [ 12.822008] __kasan_kmalloc+0xb7/0xc0 [ 12.822141] __kmalloc_cache_noprof+0x189/0x420 [ 12.822298] kmalloc_oob_in_memset+0xac/0x320 [ 12.822445] kunit_try_run_case+0x1a5/0x480 [ 12.822591] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.822777] kthread+0x337/0x6f0 [ 12.822905] ret_from_fork+0x116/0x1d0 [ 12.823198] ret_from_fork_asm+0x1a/0x30 [ 12.823468] [ 12.823655] The buggy address belongs to the object at ffff888102c29d00 [ 12.823655] which belongs to the cache kmalloc-128 of size 128 [ 12.824647] The buggy address is located 0 bytes inside of [ 12.824647] allocated 120-byte region [ffff888102c29d00, ffff888102c29d78) [ 12.825946] [ 12.826030] The buggy address belongs to the physical page: [ 12.826205] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102c29 [ 12.826448] flags: 0x200000000000000(node=0|zone=2) [ 12.826625] page_type: f5(slab) [ 12.826747] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.827547] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.828317] page dumped because: kasan: bad access detected [ 12.829014] [ 12.829176] Memory state around the buggy address: [ 12.829635] ffff888102c29c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.830303] ffff888102c29c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.830994] >ffff888102c29d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.831513] ^ [ 12.832105] ffff888102c29d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.832611] ffff888102c29e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.833232] ==================================================================