Date
July 9, 2025, 1:08 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 31.581997] ================================================================== [ 31.582143] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2dc/0x340 [ 31.582207] Read of size 1 at addr ffff800080be7b4a by task kunit_try_catch/285 [ 31.582302] [ 31.582336] CPU: 1 UID: 0 PID: 285 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250709 #1 PREEMPT [ 31.582426] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.582645] Hardware name: linux,dummy-virt (DT) [ 31.582689] Call trace: [ 31.582776] show_stack+0x20/0x38 (C) [ 31.582848] dump_stack_lvl+0x8c/0xd0 [ 31.582898] print_report+0x310/0x5d0 [ 31.582944] kasan_report+0xdc/0x128 [ 31.583204] __asan_report_load1_noabort+0x20/0x30 [ 31.583338] kasan_alloca_oob_right+0x2dc/0x340 [ 31.583422] kunit_try_run_case+0x170/0x3f0 [ 31.583500] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.583575] kthread+0x328/0x630 [ 31.583671] ret_from_fork+0x10/0x20 [ 31.583816] [ 31.583889] The buggy address belongs to stack of task kunit_try_catch/285 [ 31.583998] [ 31.584063] The buggy address ffff800080be7b4a belongs to a vmalloc virtual mapping [ 31.584408] The buggy address belongs to the physical page: [ 31.584514] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107370 [ 31.584753] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 31.584866] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 31.584923] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 31.584964] page dumped because: kasan: bad access detected [ 31.584998] [ 31.585018] Memory state around the buggy address: [ 31.585430] ffff800080be7a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.585604] ffff800080be7a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.585742] >ffff800080be7b00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 31.585809] ^ [ 31.585949] ffff800080be7b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 31.586073] ffff800080be7c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 31.586387] ==================================================================
[ 25.971684] ================================================================== [ 25.972210] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x329/0x390 [ 25.972544] Read of size 1 at addr ffff888106217c4a by task kunit_try_catch/303 [ 25.972859] [ 25.973048] CPU: 1 UID: 0 PID: 303 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc5-next-20250709 #1 PREEMPT(voluntary) [ 25.973107] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 25.973121] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.973143] Call Trace: [ 25.973159] <TASK> [ 25.973179] dump_stack_lvl+0x73/0xb0 [ 25.973213] print_report+0xd1/0x610 [ 25.973236] ? __virt_addr_valid+0x1db/0x2d0 [ 25.973262] ? kasan_alloca_oob_right+0x329/0x390 [ 25.973284] ? kasan_addr_to_slab+0x11/0xa0 [ 25.973304] ? kasan_alloca_oob_right+0x329/0x390 [ 25.973326] kasan_report+0x141/0x180 [ 25.973348] ? kasan_alloca_oob_right+0x329/0x390 [ 25.973376] __asan_report_load1_noabort+0x18/0x20 [ 25.973400] kasan_alloca_oob_right+0x329/0x390 [ 25.973421] ? __kasan_check_write+0x18/0x20 [ 25.973444] ? __pfx_sched_clock_cpu+0x10/0x10 [ 25.973467] ? finish_task_switch.isra.0+0x153/0x700 [ 25.973489] ? __ww_mutex_lock.constprop.0+0x148e/0x1e90 [ 25.973517] ? trace_hardirqs_on+0x37/0xe0 [ 25.973542] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 25.973567] ? __schedule+0x10cc/0x2b60 [ 25.973589] ? __pfx_read_tsc+0x10/0x10 [ 25.973611] ? ktime_get_ts64+0x86/0x230 [ 25.973637] kunit_try_run_case+0x1a5/0x480 [ 25.973660] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.973680] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.973717] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.973741] ? __kthread_parkme+0x82/0x180 [ 25.973782] ? preempt_count_sub+0x50/0x80 [ 25.973805] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.973826] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.973851] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.973892] kthread+0x337/0x6f0 [ 25.973912] ? trace_preempt_on+0x20/0xc0 [ 25.973934] ? __pfx_kthread+0x10/0x10 [ 25.973955] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.973977] ? calculate_sigpending+0x7b/0xa0 [ 25.974001] ? __pfx_kthread+0x10/0x10 [ 25.974022] ret_from_fork+0x116/0x1d0 [ 25.974041] ? __pfx_kthread+0x10/0x10 [ 25.974061] ret_from_fork_asm+0x1a/0x30 [ 25.974093] </TASK> [ 25.974105] [ 25.982153] The buggy address belongs to stack of task kunit_try_catch/303 [ 25.982405] [ 25.982472] The buggy address belongs to the physical page: [ 25.982661] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106217 [ 25.983223] flags: 0x200000000000000(node=0|zone=2) [ 25.983460] raw: 0200000000000000 ffffea00041885c8 ffffea00041885c8 0000000000000000 [ 25.983822] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 25.984184] page dumped because: kasan: bad access detected [ 25.984407] [ 25.984496] Memory state around the buggy address: [ 25.984650] ffff888106217b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.984959] ffff888106217b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.985227] >ffff888106217c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 25.985532] ^ [ 25.985789] ffff888106217c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 25.986177] ffff888106217d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 25.986431] ==================================================================