Date
June 2, 2025, 2:11 p.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-x86_64 |
[ 37.310503] ================================================================== [ 37.319886] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 37.327345] Read of size 1 at addr ffff800089357b5f by task kunit_try_catch/298 [ 37.334636] [ 37.336122] CPU: 4 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.15.1-rc1 #1 PREEMPT [ 37.336181] Tainted: [B]=BAD_PAGE, [N]=TEST [ 37.336198] Hardware name: WinLink E850-96 board (DT) [ 37.336226] Call trace: [ 37.336241] show_stack+0x20/0x38 (C) [ 37.336274] dump_stack_lvl+0x8c/0xd0 [ 37.336311] print_report+0x310/0x608 [ 37.336344] kasan_report+0xdc/0x128 [ 37.336372] __asan_report_load1_noabort+0x20/0x30 [ 37.336406] kasan_alloca_oob_left+0x2b8/0x310 [ 37.336440] kunit_try_run_case+0x170/0x3f0 [ 37.336475] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.336516] kthread+0x328/0x630 [ 37.336552] ret_from_fork+0x10/0x20 [ 37.336586] [ 37.399223] The buggy address belongs to stack of task kunit_try_catch/298 [ 37.406098] [ 37.407558] The buggy address belongs to the virtual mapping at [ 37.407558] [ffff800089350000, ffff800089359000) created by: [ 37.407558] kernel_clone+0x150/0x7a8 [ 37.422829] [ 37.424309] The buggy address belongs to the physical page: [ 37.429865] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8868fb [ 37.437849] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 37.444372] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 37.452089] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 37.459808] page dumped because: kasan: bad access detected [ 37.465364] [ 37.466839] Memory state around the buggy address: [ 37.471618] ffff800089357a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.478822] ffff800089357a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.486026] >ffff800089357b00: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 37.493227] ^ [ 37.499307] ffff800089357b80: cb cb cb cb 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 37.506514] ffff800089357c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 37.513713] ==================================================================
[ 18.828705] ================================================================== [ 18.829679] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x320/0x380 [ 18.830319] Read of size 1 at addr ffff888103a4fc3f by task kunit_try_catch/272 [ 18.830921] [ 18.831171] CPU: 1 UID: 0 PID: 272 Comm: kunit_try_catch Tainted: G B N 6.15.1-rc1 #1 PREEMPT(voluntary) [ 18.831279] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.831308] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.831354] Call Trace: [ 18.831385] <TASK> [ 18.831427] dump_stack_lvl+0x73/0xb0 [ 18.831499] print_report+0xd1/0x650 [ 18.831550] ? __virt_addr_valid+0x1db/0x2d0 [ 18.831600] ? kasan_alloca_oob_left+0x320/0x380 [ 18.831677] ? kasan_addr_to_slab+0x11/0xa0 [ 18.831725] ? kasan_alloca_oob_left+0x320/0x380 [ 18.831782] kasan_report+0x141/0x180 [ 18.831824] ? kasan_alloca_oob_left+0x320/0x380 [ 18.831875] __asan_report_load1_noabort+0x18/0x20 [ 18.831912] kasan_alloca_oob_left+0x320/0x380 [ 18.831960] ? finish_task_switch.isra.0+0x153/0x700 [ 18.832013] ? rt_mutex_adjust_prio_chain+0x19ae/0x20e0 [ 18.832066] ? trace_hardirqs_on+0x37/0xe0 [ 18.832119] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 18.832162] ? __schedule+0x10cc/0x2b30 [ 18.832212] ? __pfx_read_tsc+0x10/0x10 [ 18.832256] ? ktime_get_ts64+0x86/0x230 [ 18.832315] kunit_try_run_case+0x1a5/0x480 [ 18.832374] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.832418] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 18.832461] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 18.832489] ? __kthread_parkme+0x82/0x180 [ 18.832514] ? preempt_count_sub+0x50/0x80 [ 18.832542] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.832567] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.832593] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 18.832618] kthread+0x337/0x6f0 [ 18.832638] ? trace_preempt_on+0x20/0xc0 [ 18.832662] ? __pfx_kthread+0x10/0x10 [ 18.832682] ? _raw_spin_unlock_irq+0x47/0x80 [ 18.832705] ? calculate_sigpending+0x7b/0xa0 [ 18.832730] ? __pfx_kthread+0x10/0x10 [ 18.832776] ret_from_fork+0x41/0x80 [ 18.832803] ? __pfx_kthread+0x10/0x10 [ 18.832823] ret_from_fork_asm+0x1a/0x30 [ 18.832858] </TASK> [ 18.832873] [ 18.859666] The buggy address belongs to stack of task kunit_try_catch/272 [ 18.860364] [ 18.860527] The buggy address belongs to the physical page: [ 18.861354] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a4f [ 18.861976] flags: 0x200000000000000(node=0|zone=2) [ 18.862572] raw: 0200000000000000 ffffea00040e93c8 ffffea00040e93c8 0000000000000000 [ 18.862975] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 18.863421] page dumped because: kasan: bad access detected [ 18.863905] [ 18.864030] Memory state around the buggy address: [ 18.864488] ffff888103a4fb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.865222] ffff888103a4fb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.865641] >ffff888103a4fc00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 18.866159] ^ [ 18.866643] ffff888103a4fc80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 18.867126] ffff888103a4fd00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 18.867655] ==================================================================