Date
June 7, 2025, 10:40 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.771951] ================================================================== [ 22.773460] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_2+0x150/0x2f8 [ 22.774426] Write of size 2 at addr fff00000c614ce77 by task kunit_try_catch/161 [ 22.775799] [ 22.776195] CPU: 1 UID: 0 PID: 161 Comm: kunit_try_catch Tainted: G B N 6.14.11-rc1 #1 [ 22.776427] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.776531] Hardware name: linux,dummy-virt (DT) [ 22.776613] Call trace: [ 22.776646] show_stack+0x20/0x38 (C) [ 22.776712] dump_stack_lvl+0x8c/0xd0 [ 22.776811] print_report+0x118/0x608 [ 22.776879] kasan_report+0xdc/0x128 [ 22.776971] kasan_check_range+0x100/0x1a8 [ 22.777075] __asan_memset+0x34/0x78 [ 22.777234] kmalloc_oob_memset_2+0x150/0x2f8 [ 22.777359] kunit_try_run_case+0x170/0x3f0 [ 22.777424] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.777488] kthread+0x318/0x620 [ 22.777542] ret_from_fork+0x10/0x20 [ 22.777600] [ 22.784960] Allocated by task 161: [ 22.786052] kasan_save_stack+0x3c/0x68 [ 22.786988] kasan_save_track+0x20/0x40 [ 22.787462] kasan_save_alloc_info+0x40/0x58 [ 22.787850] __kasan_kmalloc+0xd4/0xd8 [ 22.788451] __kmalloc_cache_noprof+0x16c/0x3c0 [ 22.789166] kmalloc_oob_memset_2+0xb0/0x2f8 [ 22.789688] kunit_try_run_case+0x170/0x3f0 [ 22.790337] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.790988] kthread+0x318/0x620 [ 22.791540] ret_from_fork+0x10/0x20 [ 22.792088] [ 22.792458] The buggy address belongs to the object at fff00000c614ce00 [ 22.792458] which belongs to the cache kmalloc-128 of size 128 [ 22.793834] The buggy address is located 119 bytes inside of [ 22.793834] allocated 120-byte region [fff00000c614ce00, fff00000c614ce78) [ 22.795030] [ 22.795378] The buggy address belongs to the physical page: [ 22.796094] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10614c [ 22.796953] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.797831] page_type: f5(slab) [ 22.798333] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 22.799104] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 22.799969] page dumped because: kasan: bad access detected [ 22.800610] [ 22.800944] Memory state around the buggy address: [ 22.801642] fff00000c614cd00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.802437] fff00000c614cd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.803239] >fff00000c614ce00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 22.804047] ^ [ 22.804802] fff00000c614ce80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.805775] fff00000c614cf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.806777] ==================================================================
[ 17.661982] ================================================================== [ 17.662555] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_2+0x167/0x330 [ 17.663601] Write of size 2 at addr ffff8881024bfc77 by task kunit_try_catch/180 [ 17.664584] [ 17.664752] CPU: 0 UID: 0 PID: 180 Comm: kunit_try_catch Tainted: G B N 6.14.11-rc1 #1 [ 17.664813] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.664829] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.664854] Call Trace: [ 17.664909] <TASK> [ 17.664949] dump_stack_lvl+0x73/0xb0 [ 17.665036] print_report+0xd1/0x650 [ 17.665093] ? __virt_addr_valid+0x1db/0x2d0 [ 17.665151] ? kmalloc_oob_memset_2+0x167/0x330 [ 17.665199] ? kasan_complete_mode_report_info+0x2a/0x200 [ 17.665249] ? kmalloc_oob_memset_2+0x167/0x330 [ 17.665294] kasan_report+0x140/0x180 [ 17.665385] ? kmalloc_oob_memset_2+0x167/0x330 [ 17.665447] kasan_check_range+0x10c/0x1c0 [ 17.665508] __asan_memset+0x27/0x50 [ 17.665566] kmalloc_oob_memset_2+0x167/0x330 [ 17.665604] ? __pfx_kmalloc_oob_memset_2+0x10/0x10 [ 17.665636] ? __pfx_kmalloc_oob_memset_2+0x10/0x10 [ 17.665668] kunit_try_run_case+0x1a6/0x480 [ 17.665700] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.665727] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 17.665761] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 17.665790] ? __kthread_parkme+0x82/0x160 [ 17.665820] ? preempt_count_sub+0x50/0x80 [ 17.665852] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.665902] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.665934] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 17.665965] kthread+0x324/0x6e0 [ 17.665992] ? trace_preempt_on+0x20/0xc0 [ 17.666022] ? __pfx_kthread+0x10/0x10 [ 17.666049] ? _raw_spin_unlock_irq+0x47/0x80 [ 17.666076] ? calculate_sigpending+0x7b/0xa0 [ 17.666104] ? __pfx_kthread+0x10/0x10 [ 17.666131] ret_from_fork+0x41/0x80 [ 17.666157] ? __pfx_kthread+0x10/0x10 [ 17.666184] ret_from_fork_asm+0x1a/0x30 [ 17.666223] </TASK> [ 17.666238] [ 17.676815] Allocated by task 180: [ 17.677179] kasan_save_stack+0x45/0x70 [ 17.677603] kasan_save_track+0x18/0x40 [ 17.677920] kasan_save_alloc_info+0x3b/0x50 [ 17.678340] __kasan_kmalloc+0xb7/0xc0 [ 17.678582] __kmalloc_cache_noprof+0x18a/0x420 [ 17.678910] kmalloc_oob_memset_2+0xad/0x330 [ 17.679345] kunit_try_run_case+0x1a6/0x480 [ 17.679760] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.680263] kthread+0x324/0x6e0 [ 17.680666] ret_from_fork+0x41/0x80 [ 17.680990] ret_from_fork_asm+0x1a/0x30 [ 17.681389] [ 17.681541] The buggy address belongs to the object at ffff8881024bfc00 [ 17.681541] which belongs to the cache kmalloc-128 of size 128 [ 17.682263] The buggy address is located 119 bytes inside of [ 17.682263] allocated 120-byte region [ffff8881024bfc00, ffff8881024bfc78) [ 17.683279] [ 17.683487] The buggy address belongs to the physical page: [ 17.683761] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1024bf [ 17.684396] flags: 0x200000000000000(node=0|zone=2) [ 17.684858] page_type: f5(slab) [ 17.685214] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 17.685896] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.686345] page dumped because: kasan: bad access detected [ 17.686812] [ 17.687026] Memory state around the buggy address: [ 17.687409] ffff8881024bfb00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.688031] ffff8881024bfb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.688530] >ffff8881024bfc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 17.688996] ^ [ 17.689616] ffff8881024bfc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.689993] ffff8881024bfd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.690593] ==================================================================