Date
June 5, 2025, 7:08 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 28.677972] ================================================================== [ 28.678101] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2dc/0x340 [ 28.678219] Read of size 1 at addr ffff800080aa7b4a by task kunit_try_catch/253 [ 28.678374] [ 28.678487] CPU: 0 UID: 0 PID: 253 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250605 #1 PREEMPT [ 28.678999] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.679081] Hardware name: linux,dummy-virt (DT) [ 28.679166] Call trace: [ 28.679274] show_stack+0x20/0x38 (C) [ 28.679471] dump_stack_lvl+0x8c/0xd0 [ 28.679612] print_report+0x310/0x608 [ 28.679757] kasan_report+0xdc/0x128 [ 28.680030] __asan_report_load1_noabort+0x20/0x30 [ 28.680213] kasan_alloca_oob_right+0x2dc/0x340 [ 28.680372] kunit_try_run_case+0x170/0x3f0 [ 28.680541] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 28.680760] kthread+0x328/0x630 [ 28.680894] ret_from_fork+0x10/0x20 [ 28.681262] [ 28.681355] The buggy address belongs to stack of task kunit_try_catch/253 [ 28.681539] [ 28.681792] The buggy address belongs to the virtual mapping at [ 28.681792] [ffff800080aa0000, ffff800080aa9000) created by: [ 28.681792] kernel_clone+0x150/0x7a8 [ 28.682090] [ 28.682168] The buggy address belongs to the physical page: [ 28.682356] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107763 [ 28.682658] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 28.682819] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 28.683194] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 28.683445] page dumped because: kasan: bad access detected [ 28.683572] [ 28.683689] Memory state around the buggy address: [ 28.683901] ffff800080aa7a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 28.684228] ffff800080aa7a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 28.684369] >ffff800080aa7b00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 28.684477] ^ [ 28.684635] ffff800080aa7b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 28.684759] ffff800080aa7c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 28.684876] ==================================================================
[ 13.257669] ================================================================== [ 13.258341] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x329/0x390 [ 13.258673] Read of size 1 at addr ffff888103b4fc4a by task kunit_try_catch/270 [ 13.259147] [ 13.259356] CPU: 0 UID: 0 PID: 270 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250605 #1 PREEMPT(voluntary) [ 13.259405] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.259418] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.259440] Call Trace: [ 13.259453] <TASK> [ 13.259467] dump_stack_lvl+0x73/0xb0 [ 13.259595] print_report+0xd1/0x650 [ 13.259621] ? __virt_addr_valid+0x1db/0x2d0 [ 13.259657] ? kasan_alloca_oob_right+0x329/0x390 [ 13.259679] ? kasan_addr_to_slab+0x11/0xa0 [ 13.259700] ? kasan_alloca_oob_right+0x329/0x390 [ 13.259723] kasan_report+0x141/0x180 [ 13.259744] ? kasan_alloca_oob_right+0x329/0x390 [ 13.259771] __asan_report_load1_noabort+0x18/0x20 [ 13.259796] kasan_alloca_oob_right+0x329/0x390 [ 13.259820] ? __pfx_sched_clock_cpu+0x10/0x10 [ 13.259842] ? finish_task_switch.isra.0+0x153/0x700 [ 13.259864] ? __ww_mutex_lock.constprop.0+0xc5e/0x1e90 [ 13.259890] ? trace_hardirqs_on+0x37/0xe0 [ 13.259925] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 13.259959] ? __schedule+0x10cc/0x2b60 [ 13.259982] ? __pfx_read_tsc+0x10/0x10 [ 13.260002] ? ktime_get_ts64+0x86/0x230 [ 13.260025] kunit_try_run_case+0x1a5/0x480 [ 13.260047] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.260066] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.260090] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.260114] ? __kthread_parkme+0x82/0x180 [ 13.260134] ? preempt_count_sub+0x50/0x80 [ 13.260156] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.260177] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.260202] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.260227] kthread+0x337/0x6f0 [ 13.260246] ? trace_preempt_on+0x20/0xc0 [ 13.260268] ? __pfx_kthread+0x10/0x10 [ 13.260289] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.260313] ? calculate_sigpending+0x7b/0xa0 [ 13.260338] ? __pfx_kthread+0x10/0x10 [ 13.260359] ret_from_fork+0x116/0x1d0 [ 13.260377] ? __pfx_kthread+0x10/0x10 [ 13.260397] ret_from_fork_asm+0x1a/0x30 [ 13.260428] </TASK> [ 13.260439] [ 13.271477] The buggy address belongs to stack of task kunit_try_catch/270 [ 13.272139] [ 13.272234] The buggy address belongs to the physical page: [ 13.272440] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103b4f [ 13.273058] flags: 0x200000000000000(node=0|zone=2) [ 13.273290] raw: 0200000000000000 ffffea00040ed3c8 ffffea00040ed3c8 0000000000000000 [ 13.273816] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 13.274452] page dumped because: kasan: bad access detected [ 13.274648] [ 13.274795] Memory state around the buggy address: [ 13.275239] ffff888103b4fb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.275533] ffff888103b4fb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.275885] >ffff888103b4fc00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 13.276471] ^ [ 13.276753] ffff888103b4fc80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 13.277313] ffff888103b4fd00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 13.277729] ==================================================================