Date
July 15, 2025, 11:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 15.496346] ================================================================== [ 15.496693] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 15.496746] Write of size 128 at addr fff00000c592c900 by task kunit_try_catch/171 [ 15.496796] [ 15.496825] CPU: 1 UID: 0 PID: 171 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 15.496906] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.496942] Hardware name: linux,dummy-virt (DT) [ 15.496999] Call trace: [ 15.497239] show_stack+0x20/0x38 (C) [ 15.497295] dump_stack_lvl+0x8c/0xd0 [ 15.497446] print_report+0x118/0x5d0 [ 15.497494] kasan_report+0xdc/0x128 [ 15.497539] kasan_check_range+0x100/0x1a8 [ 15.497855] __asan_memset+0x34/0x78 [ 15.498014] kmalloc_oob_in_memset+0x144/0x2d0 [ 15.498089] kunit_try_run_case+0x170/0x3f0 [ 15.498139] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.498202] kthread+0x328/0x630 [ 15.498417] ret_from_fork+0x10/0x20 [ 15.498596] [ 15.498616] Allocated by task 171: [ 15.498651] kasan_save_stack+0x3c/0x68 [ 15.498735] kasan_save_track+0x20/0x40 [ 15.498771] kasan_save_alloc_info+0x40/0x58 [ 15.498866] __kasan_kmalloc+0xd4/0xd8 [ 15.498902] __kmalloc_cache_noprof+0x16c/0x3c0 [ 15.498940] kmalloc_oob_in_memset+0xb0/0x2d0 [ 15.499224] kunit_try_run_case+0x170/0x3f0 [ 15.499263] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.499467] kthread+0x328/0x630 [ 15.499661] ret_from_fork+0x10/0x20 [ 15.499759] [ 15.499779] The buggy address belongs to the object at fff00000c592c900 [ 15.499779] which belongs to the cache kmalloc-128 of size 128 [ 15.499857] The buggy address is located 0 bytes inside of [ 15.499857] allocated 120-byte region [fff00000c592c900, fff00000c592c978) [ 15.500122] [ 15.500146] The buggy address belongs to the physical page: [ 15.500177] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10592c [ 15.500335] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 15.500556] page_type: f5(slab) [ 15.500599] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 15.500648] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.500687] page dumped because: kasan: bad access detected [ 15.500724] [ 15.500744] Memory state around the buggy address: [ 15.500774] fff00000c592c800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.501054] fff00000c592c880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.501209] >fff00000c592c900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.501271] ^ [ 15.501314] fff00000c592c980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.501355] fff00000c592ca00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.501529] ==================================================================
[ 12.548470] ================================================================== [ 12.548897] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 12.549204] Write of size 128 at addr ffff888102afc100 by task kunit_try_catch/187 [ 12.549526] [ 12.549623] CPU: 1 UID: 0 PID: 187 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 12.549809] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.549823] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.549843] Call Trace: [ 12.549854] <TASK> [ 12.549867] dump_stack_lvl+0x73/0xb0 [ 12.549898] print_report+0xd1/0x610 [ 12.549920] ? __virt_addr_valid+0x1db/0x2d0 [ 12.549942] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.549964] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.549988] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.550010] kasan_report+0x141/0x180 [ 12.550032] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.550059] kasan_check_range+0x10c/0x1c0 [ 12.550082] __asan_memset+0x27/0x50 [ 12.550102] kmalloc_oob_in_memset+0x15f/0x320 [ 12.550125] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 12.550152] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 12.550180] kunit_try_run_case+0x1a5/0x480 [ 12.550204] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.550227] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.550250] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.550274] ? __kthread_parkme+0x82/0x180 [ 12.550294] ? preempt_count_sub+0x50/0x80 [ 12.550319] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.550343] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.550367] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.550399] kthread+0x337/0x6f0 [ 12.550961] ? trace_preempt_on+0x20/0xc0 [ 12.551000] ? __pfx_kthread+0x10/0x10 [ 12.551022] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.551045] ? calculate_sigpending+0x7b/0xa0 [ 12.551069] ? __pfx_kthread+0x10/0x10 [ 12.551177] ret_from_fork+0x116/0x1d0 [ 12.551198] ? __pfx_kthread+0x10/0x10 [ 12.551219] ret_from_fork_asm+0x1a/0x30 [ 12.551250] </TASK> [ 12.551260] [ 12.559544] Allocated by task 187: [ 12.559679] kasan_save_stack+0x45/0x70 [ 12.560513] kasan_save_track+0x18/0x40 [ 12.560674] kasan_save_alloc_info+0x3b/0x50 [ 12.561201] __kasan_kmalloc+0xb7/0xc0 [ 12.562632] __kmalloc_cache_noprof+0x189/0x420 [ 12.563120] kmalloc_oob_in_memset+0xac/0x320 [ 12.563815] kunit_try_run_case+0x1a5/0x480 [ 12.564262] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.564817] kthread+0x337/0x6f0 [ 12.565280] ret_from_fork+0x116/0x1d0 [ 12.565829] ret_from_fork_asm+0x1a/0x30 [ 12.566209] [ 12.566286] The buggy address belongs to the object at ffff888102afc100 [ 12.566286] which belongs to the cache kmalloc-128 of size 128 [ 12.567695] The buggy address is located 0 bytes inside of [ 12.567695] allocated 120-byte region [ffff888102afc100, ffff888102afc178) [ 12.568877] [ 12.569178] The buggy address belongs to the physical page: [ 12.569895] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102afc [ 12.570146] flags: 0x200000000000000(node=0|zone=2) [ 12.570312] page_type: f5(slab) [ 12.571002] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.571866] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.572826] page dumped because: kasan: bad access detected [ 12.573259] [ 12.573372] Memory state around the buggy address: [ 12.573598] ffff888102afc000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.573904] ffff888102afc080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.574195] >ffff888102afc100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.574487] ^ [ 12.575150] ffff888102afc180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.575622] ffff888102afc200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.575935] ==================================================================