Date
July 17, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.897378] ================================================================== [ 18.897444] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2dc/0x340 [ 18.897500] Read of size 1 at addr ffff800080a97b4a by task kunit_try_catch/253 [ 18.897551] [ 18.897583] CPU: 0 UID: 0 PID: 253 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 18.897664] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.897693] Hardware name: linux,dummy-virt (DT) [ 18.897965] Call trace: [ 18.897997] show_stack+0x20/0x38 (C) [ 18.898050] dump_stack_lvl+0x8c/0xd0 [ 18.898159] print_report+0x310/0x5d0 [ 18.898216] kasan_report+0xdc/0x128 [ 18.898281] __asan_report_load1_noabort+0x20/0x30 [ 18.898393] kasan_alloca_oob_right+0x2dc/0x340 [ 18.898473] kunit_try_run_case+0x170/0x3f0 [ 18.898525] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.898620] kthread+0x328/0x630 [ 18.898665] ret_from_fork+0x10/0x20 [ 18.898714] [ 18.898737] The buggy address belongs to stack of task kunit_try_catch/253 [ 18.898791] [ 18.898811] The buggy address ffff800080a97b4a belongs to a vmalloc virtual mapping [ 18.898853] The buggy address belongs to the physical page: [ 18.898898] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078d2 [ 18.898950] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.899010] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 18.899061] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 18.899103] page dumped because: kasan: bad access detected [ 18.899134] [ 18.899155] Memory state around the buggy address: [ 18.899187] ffff800080a97a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.899239] ffff800080a97a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.899282] >ffff800080a97b00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 18.899321] ^ [ 18.899358] ffff800080a97b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 18.899401] ffff800080a97c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 18.899441] ==================================================================
[ 14.189445] ================================================================== [ 14.190256] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x329/0x390 [ 14.190521] Read of size 1 at addr ffff888103a67c4a by task kunit_try_catch/270 [ 14.190745] [ 14.190837] CPU: 0 UID: 0 PID: 270 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 14.190888] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.190899] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.190923] Call Trace: [ 14.190936] <TASK> [ 14.190954] dump_stack_lvl+0x73/0xb0 [ 14.190982] print_report+0xd1/0x610 [ 14.191004] ? __virt_addr_valid+0x1db/0x2d0 [ 14.191027] ? kasan_alloca_oob_right+0x329/0x390 [ 14.191675] ? kasan_addr_to_slab+0x11/0xa0 [ 14.191723] ? kasan_alloca_oob_right+0x329/0x390 [ 14.191750] kasan_report+0x141/0x180 [ 14.191776] ? kasan_alloca_oob_right+0x329/0x390 [ 14.191806] __asan_report_load1_noabort+0x18/0x20 [ 14.191883] kasan_alloca_oob_right+0x329/0x390 [ 14.191907] ? __pfx_sched_clock_cpu+0x10/0x10 [ 14.191931] ? finish_task_switch.isra.0+0x153/0x700 [ 14.191954] ? __schedule+0x100e/0x2b60 [ 14.191978] ? trace_hardirqs_on+0x37/0xe0 [ 14.192005] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 14.192031] ? __schedule+0x10cc/0x2b60 [ 14.192117] ? __pfx_read_tsc+0x10/0x10 [ 14.192139] ? ktime_get_ts64+0x86/0x230 [ 14.192164] kunit_try_run_case+0x1a5/0x480 [ 14.192191] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.192212] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.192237] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.192260] ? __kthread_parkme+0x82/0x180 [ 14.192282] ? preempt_count_sub+0x50/0x80 [ 14.192305] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.192329] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.192353] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.192377] kthread+0x337/0x6f0 [ 14.192396] ? trace_preempt_on+0x20/0xc0 [ 14.192417] ? __pfx_kthread+0x10/0x10 [ 14.192437] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.192457] ? calculate_sigpending+0x7b/0xa0 [ 14.192482] ? __pfx_kthread+0x10/0x10 [ 14.192502] ret_from_fork+0x116/0x1d0 [ 14.192520] ? __pfx_kthread+0x10/0x10 [ 14.192539] ret_from_fork_asm+0x1a/0x30 [ 14.192572] </TASK> [ 14.192583] [ 14.201231] The buggy address belongs to stack of task kunit_try_catch/270 [ 14.201568] [ 14.201685] The buggy address belongs to the physical page: [ 14.202013] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a67 [ 14.202279] flags: 0x200000000000000(node=0|zone=2) [ 14.202536] raw: 0200000000000000 ffffea00040e99c8 ffffea00040e99c8 0000000000000000 [ 14.202875] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 14.203171] page dumped because: kasan: bad access detected [ 14.203344] [ 14.203411] Memory state around the buggy address: [ 14.203719] ffff888103a67b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.204327] ffff888103a67b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.204607] >ffff888103a67c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 14.204930] ^ [ 14.205279] ffff888103a67c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 14.205531] ffff888103a67d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 14.205966] ==================================================================