Date
July 5, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.058115] ================================================================== [ 18.058192] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 18.058268] Write of size 128 at addr fff00000c3ec0100 by task kunit_try_catch/170 [ 18.058338] [ 18.058371] CPU: 0 UID: 0 PID: 170 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 18.058450] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.058475] Hardware name: linux,dummy-virt (DT) [ 18.058505] Call trace: [ 18.058526] show_stack+0x20/0x38 (C) [ 18.058574] dump_stack_lvl+0x8c/0xd0 [ 18.058628] print_report+0x118/0x608 [ 18.058682] kasan_report+0xdc/0x128 [ 18.058726] kasan_check_range+0x100/0x1a8 [ 18.058771] __asan_memset+0x34/0x78 [ 18.058812] kmalloc_oob_in_memset+0x144/0x2d0 [ 18.058856] kunit_try_run_case+0x170/0x3f0 [ 18.058902] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.058951] kthread+0x328/0x630 [ 18.059007] ret_from_fork+0x10/0x20 [ 18.059053] [ 18.059071] Allocated by task 170: [ 18.059106] kasan_save_stack+0x3c/0x68 [ 18.059145] kasan_save_track+0x20/0x40 [ 18.059203] kasan_save_alloc_info+0x40/0x58 [ 18.059241] __kasan_kmalloc+0xd4/0xd8 [ 18.059276] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.059313] kmalloc_oob_in_memset+0xb0/0x2d0 [ 18.059349] kunit_try_run_case+0x170/0x3f0 [ 18.059385] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.059426] kthread+0x328/0x630 [ 18.059457] ret_from_fork+0x10/0x20 [ 18.059491] [ 18.059509] The buggy address belongs to the object at fff00000c3ec0100 [ 18.059509] which belongs to the cache kmalloc-128 of size 128 [ 18.059595] The buggy address is located 0 bytes inside of [ 18.059595] allocated 120-byte region [fff00000c3ec0100, fff00000c3ec0178) [ 18.060107] [ 18.060206] The buggy address belongs to the physical page: [ 18.060243] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103ec0 [ 18.060296] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.060371] page_type: f5(slab) [ 18.060411] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.060460] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.060499] page dumped because: kasan: bad access detected [ 18.060528] [ 18.060547] Memory state around the buggy address: [ 18.060578] fff00000c3ec0000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.060704] fff00000c3ec0080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.060951] >fff00000c3ec0100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.061191] ^ [ 18.061244] fff00000c3ec0180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.061322] fff00000c3ec0200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.061633] ==================================================================
[ 13.614623] ================================================================== [ 13.615192] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 13.615943] Write of size 128 at addr ffff8881029e8f00 by task kunit_try_catch/188 [ 13.616920] [ 13.617189] CPU: 1 UID: 0 PID: 188 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.617249] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.617263] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.617290] Call Trace: [ 13.617306] <TASK> [ 13.617329] dump_stack_lvl+0x73/0xb0 [ 13.617376] print_report+0xd1/0x650 [ 13.617403] ? __virt_addr_valid+0x1db/0x2d0 [ 13.617431] ? kmalloc_oob_in_memset+0x15f/0x320 [ 13.617456] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.617481] ? kmalloc_oob_in_memset+0x15f/0x320 [ 13.617506] kasan_report+0x141/0x180 [ 13.617531] ? kmalloc_oob_in_memset+0x15f/0x320 [ 13.617561] kasan_check_range+0x10c/0x1c0 [ 13.617588] __asan_memset+0x27/0x50 [ 13.617610] kmalloc_oob_in_memset+0x15f/0x320 [ 13.617635] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 13.617660] ? __schedule+0x10cc/0x2b60 [ 13.617687] ? __pfx_read_tsc+0x10/0x10 [ 13.617711] ? ktime_get_ts64+0x86/0x230 [ 13.617738] kunit_try_run_case+0x1a5/0x480 [ 13.617767] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.617804] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.617832] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.617858] ? __kthread_parkme+0x82/0x180 [ 13.617882] ? preempt_count_sub+0x50/0x80 [ 13.617909] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.617936] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.617961] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.617986] kthread+0x337/0x6f0 [ 13.618008] ? trace_preempt_on+0x20/0xc0 [ 13.618034] ? __pfx_kthread+0x10/0x10 [ 13.618059] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.618083] ? calculate_sigpending+0x7b/0xa0 [ 13.618112] ? __pfx_kthread+0x10/0x10 [ 13.618145] ret_from_fork+0x116/0x1d0 [ 13.618167] ? __pfx_kthread+0x10/0x10 [ 13.618190] ret_from_fork_asm+0x1a/0x30 [ 13.618226] </TASK> [ 13.618240] [ 13.632702] Allocated by task 188: [ 13.632887] kasan_save_stack+0x45/0x70 [ 13.633067] kasan_save_track+0x18/0x40 [ 13.633560] kasan_save_alloc_info+0x3b/0x50 [ 13.634028] __kasan_kmalloc+0xb7/0xc0 [ 13.634476] __kmalloc_cache_noprof+0x189/0x420 [ 13.635196] kmalloc_oob_in_memset+0xac/0x320 [ 13.635649] kunit_try_run_case+0x1a5/0x480 [ 13.636080] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.636475] kthread+0x337/0x6f0 [ 13.636856] ret_from_fork+0x116/0x1d0 [ 13.637263] ret_from_fork_asm+0x1a/0x30 [ 13.637441] [ 13.637529] The buggy address belongs to the object at ffff8881029e8f00 [ 13.637529] which belongs to the cache kmalloc-128 of size 128 [ 13.638872] The buggy address is located 0 bytes inside of [ 13.638872] allocated 120-byte region [ffff8881029e8f00, ffff8881029e8f78) [ 13.640290] [ 13.640387] The buggy address belongs to the physical page: [ 13.640590] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029e8 [ 13.640904] flags: 0x200000000000000(node=0|zone=2) [ 13.641107] page_type: f5(slab) [ 13.641311] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 13.641666] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 13.642088] page dumped because: kasan: bad access detected [ 13.642687] [ 13.642808] Memory state around the buggy address: [ 13.643054] ffff8881029e8e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.643396] ffff8881029e8e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.643802] >ffff8881029e8f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 13.644427] ^ [ 13.644725] ffff8881029e8f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.645062] ffff8881029e9000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.645461] ==================================================================