Date
July 11, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.969562] ================================================================== [ 18.969876] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2dc/0x340 [ 18.969949] Read of size 1 at addr ffff800080a17b4a by task kunit_try_catch/254 [ 18.970320] [ 18.970518] CPU: 1 UID: 0 PID: 254 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 18.970744] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.971031] Hardware name: linux,dummy-virt (DT) [ 18.971377] Call trace: [ 18.971406] show_stack+0x20/0x38 (C) [ 18.971590] dump_stack_lvl+0x8c/0xd0 [ 18.971807] print_report+0x310/0x608 [ 18.971998] kasan_report+0xdc/0x128 [ 18.972282] __asan_report_load1_noabort+0x20/0x30 [ 18.972466] kasan_alloca_oob_right+0x2dc/0x340 [ 18.972760] kunit_try_run_case+0x170/0x3f0 [ 18.973130] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.973428] kthread+0x328/0x630 [ 18.973600] ret_from_fork+0x10/0x20 [ 18.973835] [ 18.973932] The buggy address belongs to stack of task kunit_try_catch/254 [ 18.974114] [ 18.974152] The buggy address belongs to the virtual mapping at [ 18.974152] [ffff800080a10000, ffff800080a19000) created by: [ 18.974152] kernel_clone+0x150/0x7a8 [ 18.974367] [ 18.974565] The buggy address belongs to the physical page: [ 18.974745] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1058ff [ 18.974875] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.975067] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 18.975125] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 18.975167] page dumped because: kasan: bad access detected [ 18.975364] [ 18.975560] Memory state around the buggy address: [ 18.975750] ffff800080a17a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.975826] ffff800080a17a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.976119] >ffff800080a17b00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 18.976294] ^ [ 18.976412] ffff800080a17b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 18.976691] ffff800080a17c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 18.976852] ==================================================================
[ 14.263336] ================================================================== [ 14.263939] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x329/0x390 [ 14.264288] Read of size 1 at addr ffff888103aa7c4a by task kunit_try_catch/270 [ 14.264595] [ 14.264695] CPU: 1 UID: 0 PID: 270 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.264739] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.264752] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.264772] Call Trace: [ 14.264784] <TASK> [ 14.264801] dump_stack_lvl+0x73/0xb0 [ 14.264829] print_report+0xd1/0x650 [ 14.264850] ? __virt_addr_valid+0x1db/0x2d0 [ 14.264873] ? kasan_alloca_oob_right+0x329/0x390 [ 14.264895] ? kasan_addr_to_slab+0x11/0xa0 [ 14.264914] ? kasan_alloca_oob_right+0x329/0x390 [ 14.265345] kasan_report+0x141/0x180 [ 14.265370] ? kasan_alloca_oob_right+0x329/0x390 [ 14.265414] __asan_report_load1_noabort+0x18/0x20 [ 14.265440] kasan_alloca_oob_right+0x329/0x390 [ 14.265462] ? __kasan_check_write+0x18/0x20 [ 14.265483] ? __pfx_sched_clock_cpu+0x10/0x10 [ 14.265506] ? finish_task_switch.isra.0+0x153/0x700 [ 14.265530] ? preempt_schedule_common+0xbe/0x110 [ 14.265555] ? trace_hardirqs_on+0x37/0xe0 [ 14.265580] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 14.265607] ? __schedule+0x10cc/0x2b60 [ 14.265629] ? __pfx_read_tsc+0x10/0x10 [ 14.265650] ? ktime_get_ts64+0x86/0x230 [ 14.265674] kunit_try_run_case+0x1a5/0x480 [ 14.265699] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.265724] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.265770] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.265795] ? __kthread_parkme+0x82/0x180 [ 14.265816] ? preempt_count_sub+0x50/0x80 [ 14.265840] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.265864] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.265890] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.265927] kthread+0x337/0x6f0 [ 14.265948] ? trace_preempt_on+0x20/0xc0 [ 14.265971] ? __pfx_kthread+0x10/0x10 [ 14.265992] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.266032] ? calculate_sigpending+0x7b/0xa0 [ 14.266057] ? __pfx_kthread+0x10/0x10 [ 14.266078] ret_from_fork+0x116/0x1d0 [ 14.266096] ? __pfx_kthread+0x10/0x10 [ 14.266116] ret_from_fork_asm+0x1a/0x30 [ 14.266148] </TASK> [ 14.266158] [ 14.278964] The buggy address belongs to stack of task kunit_try_catch/270 [ 14.279712] [ 14.279967] The buggy address belongs to the physical page: [ 14.280437] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103aa7 [ 14.280943] flags: 0x200000000000000(node=0|zone=2) [ 14.281360] raw: 0200000000000000 ffffea00040ea9c8 ffffea00040ea9c8 0000000000000000 [ 14.281868] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 14.282441] page dumped because: kasan: bad access detected [ 14.282833] [ 14.283069] Memory state around the buggy address: [ 14.283342] ffff888103aa7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.283630] ffff888103aa7b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.283964] >ffff888103aa7c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 14.284265] ^ [ 14.284508] ffff888103aa7c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 14.284813] ffff888103aa7d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 14.285617] ==================================================================