Date
June 2, 2025, 2:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.984587] ================================================================== [ 21.985440] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2e4/0x348 [ 21.986364] Read of size 1 at addr ffff800080be7bea by task kunit_try_catch/240 [ 21.987022] [ 21.987464] CPU: 1 UID: 0 PID: 240 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 21.987683] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.987761] Hardware name: linux,dummy-virt (DT) [ 21.987839] Call trace: [ 21.987899] dump_backtrace+0x9c/0x128 [ 21.988020] show_stack+0x20/0x38 [ 21.988114] dump_stack_lvl+0x8c/0xd0 [ 21.988644] print_report+0x310/0x5f0 [ 21.988694] kasan_report+0xdc/0x128 [ 21.988741] __asan_report_load1_noabort+0x20/0x30 [ 21.988793] kasan_alloca_oob_right+0x2e4/0x348 [ 21.988842] kunit_try_run_case+0x170/0x3f0 [ 21.988891] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.988945] kthread+0x24c/0x2d0 [ 21.988990] ret_from_fork+0x10/0x20 [ 21.989041] [ 21.994826] The buggy address belongs to stack of task kunit_try_catch/240 [ 21.996006] [ 21.996455] The buggy address belongs to the virtual mapping at [ 21.996455] [ffff800080be0000, ffff800080be9000) created by: [ 21.996455] kernel_clone+0x150/0x7a8 [ 21.997913] [ 21.998302] The buggy address belongs to the physical page: [ 21.998688] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106dcb [ 21.999606] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.000344] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 22.001131] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 22.001730] page dumped because: kasan: bad access detected [ 22.002291] [ 22.002582] Memory state around the buggy address: [ 22.003060] ffff800080be7a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.003684] ffff800080be7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.004063] >ffff800080be7b80: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 22.004428] ^ [ 22.004761] ffff800080be7c00: cb cb cb cb 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 [ 22.005113] ffff800080be7c80: 04 f2 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 [ 22.006345] ==================================================================
[ 13.969958] ================================================================== [ 13.970304] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x32b/0x390 [ 13.970463] Read of size 1 at addr ffff888102b5fcaa by task kunit_try_catch/258 [ 13.971126] [ 13.971626] CPU: 1 UID: 0 PID: 258 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 13.971699] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.971714] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.971733] Call Trace: [ 13.971748] <TASK> [ 13.971772] dump_stack_lvl+0x73/0xb0 [ 13.971806] print_report+0xd1/0x640 [ 13.971829] ? __virt_addr_valid+0x1db/0x2d0 [ 13.971851] ? kasan_alloca_oob_right+0x32b/0x390 [ 13.971872] ? kasan_addr_to_slab+0x11/0xa0 [ 13.971977] ? kasan_alloca_oob_right+0x32b/0x390 [ 13.972008] kasan_report+0x140/0x180 [ 13.972033] ? kasan_alloca_oob_right+0x32b/0x390 [ 13.972059] __asan_report_load1_noabort+0x18/0x20 [ 13.972079] kasan_alloca_oob_right+0x32b/0x390 [ 13.972219] ? dup_user_cpus_ptr+0x11e/0x260 [ 13.972242] ? __schedule+0xc49/0x27a0 [ 13.972262] ? trace_hardirqs_on+0x37/0xe0 [ 13.972288] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 13.972312] ? __schedule+0xc49/0x27a0 [ 13.972330] ? __pfx_read_tsc+0x10/0x10 [ 13.972350] ? ktime_get_ts64+0x84/0x230 [ 13.972374] kunit_try_run_case+0x1a6/0x480 [ 13.972394] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.972413] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 13.972432] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.972455] ? __kthread_parkme+0x82/0x160 [ 13.972474] ? preempt_count_sub+0x50/0x80 [ 13.972495] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.972513] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.972535] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.972558] kthread+0x257/0x310 [ 13.972574] ? __pfx_kthread+0x10/0x10 [ 13.972592] ret_from_fork+0x41/0x80 [ 13.972610] ? __pfx_kthread+0x10/0x10 [ 13.972627] ret_from_fork_asm+0x1a/0x30 [ 13.972656] </TASK> [ 13.972689] [ 13.978554] The buggy address belongs to stack of task kunit_try_catch/258 [ 13.978714] [ 13.978768] The buggy address belongs to the physical page: [ 13.978867] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b5f [ 13.979359] flags: 0x200000000000000(node=0|zone=2) [ 13.979655] raw: 0200000000000000 ffffea00040ad7c8 ffffea00040ad7c8 0000000000000000 [ 13.980060] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 13.980185] page dumped because: kasan: bad access detected [ 13.980280] [ 13.980326] Memory state around the buggy address: [ 13.980593] ffff888102b5fb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.980995] ffff888102b5fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.981331] >ffff888102b5fc80: ca ca ca ca 00 02 cb cb cb cb cb cb 00 00 00 00 [ 13.981523] ^ [ 13.981728] ffff888102b5fd00: 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 00 f3 [ 13.981926] ffff888102b5fd80: f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 [ 13.982382] ==================================================================