Date
July 3, 2025, 6:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.091817] ================================================================== [ 19.091882] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2dc/0x340 [ 19.092071] Read of size 1 at addr ffff800080ae7b4a by task kunit_try_catch/253 [ 19.092148] [ 19.092188] CPU: 1 UID: 0 PID: 253 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 19.092276] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.092314] Hardware name: linux,dummy-virt (DT) [ 19.092359] Call trace: [ 19.092391] show_stack+0x20/0x38 (C) [ 19.092452] dump_stack_lvl+0x8c/0xd0 [ 19.092502] print_report+0x310/0x608 [ 19.093223] kasan_report+0xdc/0x128 [ 19.093373] __asan_report_load1_noabort+0x20/0x30 [ 19.093516] kasan_alloca_oob_right+0x2dc/0x340 [ 19.093569] kunit_try_run_case+0x170/0x3f0 [ 19.093903] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.094120] kthread+0x328/0x630 [ 19.094242] ret_from_fork+0x10/0x20 [ 19.094438] [ 19.094505] The buggy address belongs to stack of task kunit_try_catch/253 [ 19.094641] [ 19.094708] The buggy address belongs to the virtual mapping at [ 19.094708] [ffff800080ae0000, ffff800080ae9000) created by: [ 19.094708] kernel_clone+0x150/0x7a8 [ 19.095152] [ 19.095247] The buggy address belongs to the physical page: [ 19.095307] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065c7 [ 19.095430] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.095787] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 19.096204] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 19.096333] page dumped because: kasan: bad access detected [ 19.096403] [ 19.096522] Memory state around the buggy address: [ 19.096747] ffff800080ae7a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.096827] ffff800080ae7a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.097118] >ffff800080ae7b00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 19.097194] ^ [ 19.097302] ffff800080ae7b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 19.097348] ffff800080ae7c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 19.097553] ==================================================================
[ 13.266784] ================================================================== [ 13.267647] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x329/0x390 [ 13.268220] Read of size 1 at addr ffff888103a67c4a by task kunit_try_catch/271 [ 13.268825] [ 13.269059] CPU: 0 UID: 0 PID: 271 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.269122] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.269136] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.269308] Call Trace: [ 13.269341] <TASK> [ 13.269358] dump_stack_lvl+0x73/0xb0 [ 13.269386] print_report+0xd1/0x650 [ 13.269409] ? __virt_addr_valid+0x1db/0x2d0 [ 13.269431] ? kasan_alloca_oob_right+0x329/0x390 [ 13.269454] ? kasan_addr_to_slab+0x11/0xa0 [ 13.269473] ? kasan_alloca_oob_right+0x329/0x390 [ 13.269495] kasan_report+0x141/0x180 [ 13.269517] ? kasan_alloca_oob_right+0x329/0x390 [ 13.269543] __asan_report_load1_noabort+0x18/0x20 [ 13.269566] kasan_alloca_oob_right+0x329/0x390 [ 13.269589] ? __pfx_sched_clock_cpu+0x10/0x10 [ 13.269609] ? finish_task_switch.isra.0+0x153/0x700 [ 13.269631] ? out_of_line_wait_on_bit_timeout+0x7e/0x190 [ 13.269654] ? trace_hardirqs_on+0x37/0xe0 [ 13.269679] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 13.269703] ? __schedule+0x10cc/0x2b60 [ 13.269724] ? __pfx_read_tsc+0x10/0x10 [ 13.269743] ? ktime_get_ts64+0x86/0x230 [ 13.269766] kunit_try_run_case+0x1a5/0x480 [ 13.269789] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.269811] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.269833] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.269855] ? __kthread_parkme+0x82/0x180 [ 13.269875] ? preempt_count_sub+0x50/0x80 [ 13.269898] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.269921] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.269943] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.269966] kthread+0x337/0x6f0 [ 13.269984] ? trace_preempt_on+0x20/0xc0 [ 13.270006] ? __pfx_kthread+0x10/0x10 [ 13.270025] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.270046] ? calculate_sigpending+0x7b/0xa0 [ 13.270070] ? __pfx_kthread+0x10/0x10 [ 13.270091] ret_from_fork+0x116/0x1d0 [ 13.270124] ? __pfx_kthread+0x10/0x10 [ 13.270145] ret_from_fork_asm+0x1a/0x30 [ 13.270188] </TASK> [ 13.270199] [ 13.283159] The buggy address belongs to stack of task kunit_try_catch/271 [ 13.283430] [ 13.283523] The buggy address belongs to the physical page: [ 13.284004] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a67 [ 13.284968] flags: 0x200000000000000(node=0|zone=2) [ 13.285501] raw: 0200000000000000 ffffea00040e99c8 ffffea00040e99c8 0000000000000000 [ 13.286189] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 13.286658] page dumped because: kasan: bad access detected [ 13.287190] [ 13.287321] Memory state around the buggy address: [ 13.287565] ffff888103a67b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.288210] ffff888103a67b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.288743] >ffff888103a67c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 13.288962] ^ [ 13.289153] ffff888103a67c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 13.289782] ffff888103a67d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 13.290550] ==================================================================