Date
July 12, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.681621] ================================================================== [ 18.681711] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 18.682119] Read of size 1 at addr ffff800080907b5f by task kunit_try_catch/251 [ 18.682236] [ 18.682370] CPU: 0 UID: 0 PID: 251 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 18.682461] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.682542] Hardware name: linux,dummy-virt (DT) [ 18.682576] Call trace: [ 18.682631] show_stack+0x20/0x38 (C) [ 18.682685] dump_stack_lvl+0x8c/0xd0 [ 18.682735] print_report+0x310/0x5d0 [ 18.683024] kasan_report+0xdc/0x128 [ 18.683109] __asan_report_load1_noabort+0x20/0x30 [ 18.683165] kasan_alloca_oob_left+0x2b8/0x310 [ 18.683480] kunit_try_run_case+0x170/0x3f0 [ 18.683646] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.683722] kthread+0x328/0x630 [ 18.683769] ret_from_fork+0x10/0x20 [ 18.683827] [ 18.683850] The buggy address belongs to stack of task kunit_try_catch/251 [ 18.684462] [ 18.684508] The buggy address ffff800080907b5f belongs to a vmalloc virtual mapping [ 18.684568] The buggy address belongs to the physical page: [ 18.684698] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065fb [ 18.685027] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.685155] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 18.685277] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 18.685548] page dumped because: kasan: bad access detected [ 18.685681] [ 18.685743] Memory state around the buggy address: [ 18.686058] ffff800080907a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.686133] ffff800080907a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.686314] >ffff800080907b00: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 18.686421] ^ [ 18.686771] ffff800080907b80: cb cb cb cb 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 18.686875] ffff800080907c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 18.687006] ==================================================================
[ 14.851703] ================================================================== [ 14.852571] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x320/0x380 [ 14.852888] Read of size 1 at addr ffff888103bb7c3f by task kunit_try_catch/268 [ 14.853341] [ 14.853436] CPU: 1 UID: 0 PID: 268 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.853504] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.853516] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.853537] Call Trace: [ 14.853548] <TASK> [ 14.853578] dump_stack_lvl+0x73/0xb0 [ 14.853609] print_report+0xd1/0x610 [ 14.853631] ? __virt_addr_valid+0x1db/0x2d0 [ 14.853655] ? kasan_alloca_oob_left+0x320/0x380 [ 14.853678] ? kasan_addr_to_slab+0x11/0xa0 [ 14.853699] ? kasan_alloca_oob_left+0x320/0x380 [ 14.853721] kasan_report+0x141/0x180 [ 14.853744] ? kasan_alloca_oob_left+0x320/0x380 [ 14.853771] __asan_report_load1_noabort+0x18/0x20 [ 14.853796] kasan_alloca_oob_left+0x320/0x380 [ 14.853821] ? finish_task_switch.isra.0+0x153/0x700 [ 14.853863] ? __schedule+0x200e/0x2b60 [ 14.853884] ? trace_hardirqs_on+0x37/0xe0 [ 14.853909] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 14.853952] ? __schedule+0x10cc/0x2b60 [ 14.853972] ? __pfx_read_tsc+0x10/0x10 [ 14.853995] ? ktime_get_ts64+0x86/0x230 [ 14.854020] kunit_try_run_case+0x1a5/0x480 [ 14.854097] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.854123] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.854149] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.854173] ? __kthread_parkme+0x82/0x180 [ 14.854195] ? preempt_count_sub+0x50/0x80 [ 14.854218] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.854243] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.854279] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.854305] kthread+0x337/0x6f0 [ 14.854324] ? trace_preempt_on+0x20/0xc0 [ 14.854346] ? __pfx_kthread+0x10/0x10 [ 14.854367] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.854389] ? calculate_sigpending+0x7b/0xa0 [ 14.854414] ? __pfx_kthread+0x10/0x10 [ 14.854436] ret_from_fork+0x116/0x1d0 [ 14.854455] ? __pfx_kthread+0x10/0x10 [ 14.854475] ret_from_fork_asm+0x1a/0x30 [ 14.854507] </TASK> [ 14.854516] [ 14.863297] The buggy address belongs to stack of task kunit_try_catch/268 [ 14.863617] [ 14.863728] The buggy address belongs to the physical page: [ 14.864006] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103bb7 [ 14.864418] flags: 0x200000000000000(node=0|zone=2) [ 14.864633] raw: 0200000000000000 ffffea00040eedc8 ffffea00040eedc8 0000000000000000 [ 14.864859] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 14.865142] page dumped because: kasan: bad access detected [ 14.865431] [ 14.865555] Memory state around the buggy address: [ 14.865800] ffff888103bb7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.866356] ffff888103bb7b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.866725] >ffff888103bb7c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 14.866970] ^ [ 14.867303] ffff888103bb7c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 14.867512] ffff888103bb7d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 14.867870] ==================================================================