Date
July 9, 2025, 2:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.392797] ================================================================== [ 19.392894] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 19.392968] Read of size 1 at addr ffff800080a77b5f by task kunit_try_catch/251 [ 19.393025] [ 19.393067] CPU: 1 UID: 0 PID: 251 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc5 #1 PREEMPT [ 19.393178] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 19.393215] Hardware name: linux,dummy-virt (DT) [ 19.393249] Call trace: [ 19.393275] show_stack+0x20/0x38 (C) [ 19.393331] dump_stack_lvl+0x8c/0xd0 [ 19.393383] print_report+0x310/0x608 [ 19.393432] kasan_report+0xdc/0x128 [ 19.393483] __asan_report_load1_noabort+0x20/0x30 [ 19.394099] kasan_alloca_oob_left+0x2b8/0x310 [ 19.394179] kunit_try_run_case+0x170/0x3f0 [ 19.394235] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.394835] kthread+0x328/0x630 [ 19.394997] ret_from_fork+0x10/0x20 [ 19.395116] [ 19.395230] The buggy address belongs to stack of task kunit_try_catch/251 [ 19.395608] [ 19.395699] The buggy address belongs to the virtual mapping at [ 19.395699] [ffff800080a70000, ffff800080a79000) created by: [ 19.395699] kernel_clone+0x150/0x7a8 [ 19.395843] [ 19.395957] The buggy address belongs to the physical page: [ 19.396012] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106c15 [ 19.396156] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.396254] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 19.396337] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 19.396658] page dumped because: kasan: bad access detected [ 19.396830] [ 19.396989] Memory state around the buggy address: [ 19.397094] ffff800080a77a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.397555] ffff800080a77a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.397750] >ffff800080a77b00: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 19.397970] ^ [ 19.398107] ffff800080a77b80: cb cb cb cb 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 19.398183] ffff800080a77c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 19.398286] ==================================================================
[ 14.582168] ================================================================== [ 14.582633] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x320/0x380 [ 14.582987] Read of size 1 at addr ffff888103a7fc3f by task kunit_try_catch/268 [ 14.583311] [ 14.583433] CPU: 0 UID: 0 PID: 268 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.583481] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.583492] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.583512] Call Trace: [ 14.583526] <TASK> [ 14.583541] dump_stack_lvl+0x73/0xb0 [ 14.583570] print_report+0xd1/0x650 [ 14.583603] ? __virt_addr_valid+0x1db/0x2d0 [ 14.583626] ? kasan_alloca_oob_left+0x320/0x380 [ 14.583648] ? kasan_addr_to_slab+0x11/0xa0 [ 14.583670] ? kasan_alloca_oob_left+0x320/0x380 [ 14.583707] kasan_report+0x141/0x180 [ 14.583729] ? kasan_alloca_oob_left+0x320/0x380 [ 14.583758] __asan_report_load1_noabort+0x18/0x20 [ 14.583783] kasan_alloca_oob_left+0x320/0x380 [ 14.583825] ? __pfx_sched_clock_cpu+0x10/0x10 [ 14.583857] ? finish_task_switch.isra.0+0x153/0x700 [ 14.583882] ? preempt_schedule_common+0xbe/0x110 [ 14.583906] ? trace_hardirqs_on+0x37/0xe0 [ 14.583932] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 14.583958] ? __schedule+0x10cc/0x2b60 [ 14.583979] ? __pfx_read_tsc+0x10/0x10 [ 14.584000] ? ktime_get_ts64+0x86/0x230 [ 14.584025] kunit_try_run_case+0x1a5/0x480 [ 14.584049] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.584073] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.584096] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.584119] ? __kthread_parkme+0x82/0x180 [ 14.584142] ? preempt_count_sub+0x50/0x80 [ 14.584165] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.584189] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.584214] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.584238] kthread+0x337/0x6f0 [ 14.584257] ? trace_preempt_on+0x20/0xc0 [ 14.584279] ? __pfx_kthread+0x10/0x10 [ 14.584300] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.584322] ? calculate_sigpending+0x7b/0xa0 [ 14.584347] ? __pfx_kthread+0x10/0x10 [ 14.584368] ret_from_fork+0x116/0x1d0 [ 14.584387] ? __pfx_kthread+0x10/0x10 [ 14.584408] ret_from_fork_asm+0x1a/0x30 [ 14.584439] </TASK> [ 14.584449] [ 14.592359] The buggy address belongs to stack of task kunit_try_catch/268 [ 14.592852] [ 14.592950] The buggy address belongs to the physical page: [ 14.593128] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a7f [ 14.593492] flags: 0x200000000000000(node=0|zone=2) [ 14.593749] raw: 0200000000000000 ffffea00040e9fc8 ffffea00040e9fc8 0000000000000000 [ 14.594074] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 14.594449] page dumped because: kasan: bad access detected [ 14.594636] [ 14.594704] Memory state around the buggy address: [ 14.595185] ffff888103a7fb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.595493] ffff888103a7fb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.595732] >ffff888103a7fc00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 14.595970] ^ [ 14.596250] ffff888103a7fc80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 14.596566] ffff888103a7fd00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 14.597052] ==================================================================