Date
June 17, 2025, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.183168] ================================================================== [ 19.183268] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 19.183338] Read of size 1 at addr ffff800080a57b5f by task kunit_try_catch/260 [ 19.183393] [ 19.183546] CPU: 1 UID: 0 PID: 260 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250617 #1 PREEMPT [ 19.183838] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.183892] Hardware name: linux,dummy-virt (DT) [ 19.183947] Call trace: [ 19.183983] show_stack+0x20/0x38 (C) [ 19.184042] dump_stack_lvl+0x8c/0xd0 [ 19.184105] print_report+0x310/0x608 [ 19.184157] kasan_report+0xdc/0x128 [ 19.184207] __asan_report_load1_noabort+0x20/0x30 [ 19.184262] kasan_alloca_oob_left+0x2b8/0x310 [ 19.184316] kunit_try_run_case+0x170/0x3f0 [ 19.184367] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.184424] kthread+0x328/0x630 [ 19.184468] ret_from_fork+0x10/0x20 [ 19.184521] [ 19.184546] The buggy address belongs to stack of task kunit_try_catch/260 [ 19.184637] [ 19.184670] The buggy address belongs to the virtual mapping at [ 19.184670] [ffff800080a50000, ffff800080a59000) created by: [ 19.184670] kernel_clone+0x150/0x7a8 [ 19.184754] [ 19.184778] The buggy address belongs to the physical page: [ 19.184815] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1050af [ 19.184875] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.184962] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 19.185017] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 19.185062] page dumped because: kasan: bad access detected [ 19.185096] [ 19.185117] Memory state around the buggy address: [ 19.185152] ffff800080a57a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.185198] ffff800080a57a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.185246] >ffff800080a57b00: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 19.185759] ^ [ 19.185846] ffff800080a57b80: cb cb cb cb 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 19.185903] ffff800080a57c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 19.185960] ==================================================================
[ 20.658848] ================================================================== [ 20.659681] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x320/0x380 [ 20.660275] Read of size 1 at addr ffff888103aa7c3f by task kunit_try_catch/278 [ 20.660885] [ 20.661127] CPU: 0 UID: 0 PID: 278 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250617 #1 PREEMPT(voluntary) [ 20.661304] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.661345] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 20.661406] Call Trace: [ 20.661447] <TASK> [ 20.661493] dump_stack_lvl+0x73/0xb0 [ 20.661579] print_report+0xd1/0x650 [ 20.661654] ? __virt_addr_valid+0x1db/0x2d0 [ 20.661725] ? kasan_alloca_oob_left+0x320/0x380 [ 20.661794] ? kasan_addr_to_slab+0x11/0xa0 [ 20.661881] ? kasan_alloca_oob_left+0x320/0x380 [ 20.661954] kasan_report+0x141/0x180 [ 20.662028] ? kasan_alloca_oob_left+0x320/0x380 [ 20.662110] __asan_report_load1_noabort+0x18/0x20 [ 20.662191] kasan_alloca_oob_left+0x320/0x380 [ 20.662314] ? trace_hardirqs_on+0x37/0xe0 [ 20.662434] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 20.662528] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 20.662610] ? __softirqentry_text_end+0x16/0x16 [ 20.662684] ? __pfx_read_tsc+0x10/0x10 [ 20.662729] ? ktime_get_ts64+0x86/0x230 [ 20.662768] kunit_try_run_case+0x1a5/0x480 [ 20.662803] ? __pfx_kunit_try_run_case+0x10/0x10 [ 20.662860] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 20.662895] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 20.662931] ? __kthread_parkme+0x82/0x180 [ 20.662960] ? preempt_count_sub+0x50/0x80 [ 20.662991] ? __pfx_kunit_try_run_case+0x10/0x10 [ 20.663025] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 20.663057] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 20.663089] kthread+0x337/0x6f0 [ 20.663114] ? trace_preempt_on+0x20/0xc0 [ 20.663146] ? __pfx_kthread+0x10/0x10 [ 20.663173] ? _raw_spin_unlock_irq+0x47/0x80 [ 20.663207] ? calculate_sigpending+0x7b/0xa0 [ 20.663299] ? __pfx_kthread+0x10/0x10 [ 20.663359] ret_from_fork+0x116/0x1d0 [ 20.663388] ? __pfx_kthread+0x10/0x10 [ 20.663418] ret_from_fork_asm+0x1a/0x30 [ 20.663460] </TASK> [ 20.663476] [ 20.686290] The buggy address belongs to stack of task kunit_try_catch/278 [ 20.687717] [ 20.687943] The buggy address belongs to the physical page: [ 20.688407] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103aa7 [ 20.689170] flags: 0x200000000000000(node=0|zone=2) [ 20.689715] raw: 0200000000000000 ffffea00040ea9c8 ffffea00040ea9c8 0000000000000000 [ 20.690539] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 20.691199] page dumped because: kasan: bad access detected [ 20.691808] [ 20.692024] Memory state around the buggy address: [ 20.692562] ffff888103aa7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.693187] ffff888103aa7b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.693925] >ffff888103aa7c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 20.694686] ^ [ 20.695098] ffff888103aa7c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 20.695918] ffff888103aa7d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 20.696494] ==================================================================