Date
July 16, 2025, 12:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 30.676810] ================================================================== [ 30.676874] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 30.676928] Write of size 16 at addr fff00000c6361d69 by task kunit_try_catch/209 [ 30.677448] [ 30.677619] CPU: 0 UID: 0 PID: 209 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250716 #1 PREEMPT [ 30.677717] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.677743] Hardware name: linux,dummy-virt (DT) [ 30.678214] Call trace: [ 30.678256] show_stack+0x20/0x38 (C) [ 30.678390] dump_stack_lvl+0x8c/0xd0 [ 30.678575] print_report+0x118/0x5d0 [ 30.678638] kasan_report+0xdc/0x128 [ 30.678890] kasan_check_range+0x100/0x1a8 [ 30.678956] __asan_memset+0x34/0x78 [ 30.679000] kmalloc_oob_memset_16+0x150/0x2f8 [ 30.679204] kunit_try_run_case+0x170/0x3f0 [ 30.679257] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.679311] kthread+0x328/0x630 [ 30.679355] ret_from_fork+0x10/0x20 [ 30.679403] [ 30.679421] Allocated by task 209: [ 30.679800] kasan_save_stack+0x3c/0x68 [ 30.679928] kasan_save_track+0x20/0x40 [ 30.680101] kasan_save_alloc_info+0x40/0x58 [ 30.680143] __kasan_kmalloc+0xd4/0xd8 [ 30.680187] __kmalloc_cache_noprof+0x16c/0x3c0 [ 30.680606] kmalloc_oob_memset_16+0xb0/0x2f8 [ 30.680659] kunit_try_run_case+0x170/0x3f0 [ 30.680947] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.681055] kthread+0x328/0x630 [ 30.681094] ret_from_fork+0x10/0x20 [ 30.681130] [ 30.681171] The buggy address belongs to the object at fff00000c6361d00 [ 30.681171] which belongs to the cache kmalloc-128 of size 128 [ 30.681255] The buggy address is located 105 bytes inside of [ 30.681255] allocated 120-byte region [fff00000c6361d00, fff00000c6361d78) [ 30.681337] [ 30.681366] The buggy address belongs to the physical page: [ 30.681413] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106361 [ 30.681493] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 30.681936] page_type: f5(slab) [ 30.681977] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 30.682045] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 30.683048] page dumped because: kasan: bad access detected [ 30.684271] [ 30.684618] Memory state around the buggy address: [ 30.684715] fff00000c6361c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.686007] fff00000c6361c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.686114] >fff00000c6361d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 30.686208] ^ [ 30.686279] fff00000c6361d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.687563] fff00000c6361e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.687613] ==================================================================
[ 23.423813] ================================================================== [ 23.424289] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 23.424666] Write of size 16 at addr ffff88810539fb69 by task kunit_try_catch/227 [ 23.425011] [ 23.425103] CPU: 0 UID: 0 PID: 227 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250716 #1 PREEMPT(voluntary) [ 23.425152] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.425164] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.425185] Call Trace: [ 23.425197] <TASK> [ 23.425223] dump_stack_lvl+0x73/0xb0 [ 23.425263] print_report+0xd1/0x610 [ 23.425312] ? __virt_addr_valid+0x1db/0x2d0 [ 23.425335] ? kmalloc_oob_memset_16+0x166/0x330 [ 23.425355] ? kasan_complete_mode_report_info+0x2a/0x200 [ 23.425380] ? kmalloc_oob_memset_16+0x166/0x330 [ 23.425401] kasan_report+0x141/0x180 [ 23.425422] ? kmalloc_oob_memset_16+0x166/0x330 [ 23.425457] kasan_check_range+0x10c/0x1c0 [ 23.425480] __asan_memset+0x27/0x50 [ 23.425503] kmalloc_oob_memset_16+0x166/0x330 [ 23.425536] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 23.425565] ? __schedule+0x10c6/0x2b60 [ 23.425589] ? __pfx_read_tsc+0x10/0x10 [ 23.425611] ? ktime_get_ts64+0x86/0x230 [ 23.425637] kunit_try_run_case+0x1a5/0x480 [ 23.425661] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.425682] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 23.425723] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 23.425745] ? __kthread_parkme+0x82/0x180 [ 23.425765] ? preempt_count_sub+0x50/0x80 [ 23.425787] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.425822] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.425849] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 23.425875] kthread+0x337/0x6f0 [ 23.425894] ? trace_preempt_on+0x20/0xc0 [ 23.425918] ? __pfx_kthread+0x10/0x10 [ 23.425937] ? _raw_spin_unlock_irq+0x47/0x80 [ 23.425958] ? calculate_sigpending+0x7b/0xa0 [ 23.425981] ? __pfx_kthread+0x10/0x10 [ 23.426002] ret_from_fork+0x116/0x1d0 [ 23.426020] ? __pfx_kthread+0x10/0x10 [ 23.426040] ret_from_fork_asm+0x1a/0x30 [ 23.426070] </TASK> [ 23.426081] [ 23.433726] Allocated by task 227: [ 23.433908] kasan_save_stack+0x45/0x70 [ 23.434229] kasan_save_track+0x18/0x40 [ 23.434457] kasan_save_alloc_info+0x3b/0x50 [ 23.434782] __kasan_kmalloc+0xb7/0xc0 [ 23.435067] __kmalloc_cache_noprof+0x189/0x420 [ 23.435393] kmalloc_oob_memset_16+0xac/0x330 [ 23.435698] kunit_try_run_case+0x1a5/0x480 [ 23.435845] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.436080] kthread+0x337/0x6f0 [ 23.436258] ret_from_fork+0x116/0x1d0 [ 23.436405] ret_from_fork_asm+0x1a/0x30 [ 23.436782] [ 23.436859] The buggy address belongs to the object at ffff88810539fb00 [ 23.436859] which belongs to the cache kmalloc-128 of size 128 [ 23.437317] The buggy address is located 105 bytes inside of [ 23.437317] allocated 120-byte region [ffff88810539fb00, ffff88810539fb78) [ 23.437884] [ 23.437956] The buggy address belongs to the physical page: [ 23.438223] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10539f [ 23.438625] flags: 0x200000000000000(node=0|zone=2) [ 23.438898] page_type: f5(slab) [ 23.439018] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 23.439264] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 23.439670] page dumped because: kasan: bad access detected [ 23.439913] [ 23.439988] Memory state around the buggy address: [ 23.440137] ffff88810539fa00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 23.440693] ffff88810539fa80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.441343] >ffff88810539fb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 23.441705] ^ [ 23.442142] ffff88810539fb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.442491] ffff88810539fc00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.442962] ==================================================================