Date
July 22, 2025, 2:40 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.371912] ================================================================== [ 19.372319] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 19.372418] Read of size 1 at addr ffff800080a17c2a by task kunit_try_catch/251 [ 19.372482] [ 19.372517] CPU: 1 UID: 0 PID: 251 Comm: kunit_try_catch Tainted: G B N 6.15.8-rc1 #1 PREEMPT [ 19.372600] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.372627] Hardware name: linux,dummy-virt (DT) [ 19.372920] Call trace: [ 19.372980] show_stack+0x20/0x38 (C) [ 19.373099] dump_stack_lvl+0x8c/0xd0 [ 19.373175] print_report+0x310/0x5d0 [ 19.373223] kasan_report+0xdc/0x128 [ 19.373349] __asan_report_load1_noabort+0x20/0x30 [ 19.373402] kasan_stack_oob+0x238/0x270 [ 19.373460] kunit_try_run_case+0x170/0x3f0 [ 19.373540] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.373838] kthread+0x328/0x630 [ 19.373909] ret_from_fork+0x10/0x20 [ 19.374041] [ 19.374131] The buggy address belongs to stack of task kunit_try_catch/251 [ 19.374335] and is located at offset 138 in frame: [ 19.374377] kasan_stack_oob+0x0/0x270 [ 19.374961] [ 19.375025] This frame has 4 objects: [ 19.375807] [48, 49) '__assertion' [ 19.375949] [64, 72) 'array' [ 19.375984] [96, 112) '__assertion' [ 19.376176] [128, 138) 'stack_array' [ 19.376243] [ 19.376614] The buggy address ffff800080a17c2a belongs to a vmalloc virtual mapping [ 19.376682] The buggy address belongs to the physical page: [ 19.376735] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078eb [ 19.376843] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.376929] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 19.376993] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 19.377227] page dumped because: kasan: bad access detected [ 19.377407] [ 19.377460] Memory state around the buggy address: [ 19.377588] ffff800080a17b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.377636] ffff800080a17b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 19.377689] >ffff800080a17c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 19.377746] ^ [ 19.377781] ffff800080a17c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 19.377822] ffff800080a17d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 19.377860] ==================================================================
[ 12.963893] ================================================================== [ 12.964437] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 12.965574] Read of size 1 at addr ffff888103d9fd02 by task kunit_try_catch/269 [ 12.966407] [ 12.966620] CPU: 1 UID: 0 PID: 269 Comm: kunit_try_catch Tainted: G B N 6.15.8-rc1 #1 PREEMPT(voluntary) [ 12.966691] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.966703] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.966726] Call Trace: [ 12.966740] <TASK> [ 12.966758] dump_stack_lvl+0x73/0xb0 [ 12.966787] print_report+0xd1/0x610 [ 12.966810] ? __virt_addr_valid+0x1db/0x2d0 [ 12.966866] ? kasan_stack_oob+0x2b5/0x300 [ 12.966888] ? kasan_addr_to_slab+0x11/0xa0 [ 12.966909] ? kasan_stack_oob+0x2b5/0x300 [ 12.966931] kasan_report+0x141/0x180 [ 12.966953] ? kasan_stack_oob+0x2b5/0x300 [ 12.966979] __asan_report_load1_noabort+0x18/0x20 [ 12.966999] kasan_stack_oob+0x2b5/0x300 [ 12.967021] ? __pfx_kasan_stack_oob+0x10/0x10 [ 12.967041] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 12.967069] ? __pfx_kasan_stack_oob+0x10/0x10 [ 12.967095] kunit_try_run_case+0x1a5/0x480 [ 12.967118] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.967137] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.967158] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.967182] ? __kthread_parkme+0x82/0x180 [ 12.967203] ? preempt_count_sub+0x50/0x80 [ 12.967242] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.967263] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.967286] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.967310] kthread+0x337/0x6f0 [ 12.967329] ? trace_preempt_on+0x20/0xc0 [ 12.967373] ? __pfx_kthread+0x10/0x10 [ 12.967391] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.967414] ? calculate_sigpending+0x7b/0xa0 [ 12.967435] ? __pfx_kthread+0x10/0x10 [ 12.967454] ret_from_fork+0x41/0x80 [ 12.967475] ? __pfx_kthread+0x10/0x10 [ 12.967493] ret_from_fork_asm+0x1a/0x30 [ 12.967524] </TASK> [ 12.967535] [ 12.979352] The buggy address belongs to stack of task kunit_try_catch/269 [ 12.979746] and is located at offset 138 in frame: [ 12.979978] kasan_stack_oob+0x0/0x300 [ 12.980322] [ 12.980459] This frame has 4 objects: [ 12.980742] [48, 49) '__assertion' [ 12.980765] [64, 72) 'array' [ 12.980991] [96, 112) '__assertion' [ 12.981171] [128, 138) 'stack_array' [ 12.981421] [ 12.981734] The buggy address belongs to the physical page: [ 12.981991] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103d9f [ 12.982294] flags: 0x200000000000000(node=0|zone=2) [ 12.982566] raw: 0200000000000000 ffffea00040f67c8 ffffea00040f67c8 0000000000000000 [ 12.982854] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 12.983072] page dumped because: kasan: bad access detected [ 12.983244] [ 12.983310] Memory state around the buggy address: [ 12.983553] ffff888103d9fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 12.983924] ffff888103d9fc80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 12.984248] >ffff888103d9fd00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 12.984584] ^ [ 12.984817] ffff888103d9fd80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 12.985076] ffff888103d9fe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.985313] ==================================================================