Date
May 26, 2025, 9:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.189718] ================================================================== [ 20.190347] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 20.190735] Read of size 1 at addr ffff800080a17c2a by task kunit_try_catch/249 [ 20.191078] [ 20.191246] CPU: 0 UID: 0 PID: 249 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc7-next-20250526 #1 PREEMPT [ 20.191460] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.191509] Hardware name: linux,dummy-virt (DT) [ 20.191571] Call trace: [ 20.191619] show_stack+0x20/0x38 (C) [ 20.191754] dump_stack_lvl+0x8c/0xd0 [ 20.191863] print_report+0x310/0x608 [ 20.191964] kasan_report+0xdc/0x128 [ 20.192062] __asan_report_load1_noabort+0x20/0x30 [ 20.192178] kasan_stack_oob+0x238/0x270 [ 20.192274] kunit_try_run_case+0x170/0x3f0 [ 20.192395] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.192530] kthread+0x328/0x630 [ 20.192649] ret_from_fork+0x10/0x20 [ 20.192792] [ 20.192954] The buggy address belongs to stack of task kunit_try_catch/249 [ 20.193172] and is located at offset 138 in frame: [ 20.193518] kasan_stack_oob+0x0/0x270 [ 20.194157] [ 20.194270] This frame has 4 objects: [ 20.194485] [48, 49) '__assertion' [ 20.194606] [64, 72) 'array' [ 20.194681] [96, 112) '__assertion' [ 20.195386] [128, 138) 'stack_array' [ 20.195651] [ 20.195966] The buggy address belongs to the virtual mapping at [ 20.195966] [ffff800080a10000, ffff800080a19000) created by: [ 20.195966] kernel_clone+0x150/0x7a8 [ 20.196195] [ 20.196249] The buggy address belongs to the physical page: [ 20.196339] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1077f8 [ 20.196762] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.197410] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 20.197575] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 20.197845] page dumped because: kasan: bad access detected [ 20.197943] [ 20.198187] Memory state around the buggy address: [ 20.198344] ffff800080a17b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.198453] ffff800080a17b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 20.198795] >ffff800080a17c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 20.198863] ^ [ 20.198929] ffff800080a17c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 20.199040] ffff800080a17d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 20.199228] ==================================================================
[ 12.816117] ================================================================== [ 12.817314] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 12.817638] Read of size 1 at addr ffff888103957d02 by task kunit_try_catch/267 [ 12.818531] [ 12.818876] CPU: 0 UID: 0 PID: 267 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc7-next-20250526 #1 PREEMPT(voluntary) [ 12.818931] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.818945] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.818968] Call Trace: [ 12.818981] <TASK> [ 12.818997] dump_stack_lvl+0x73/0xb0 [ 12.819063] print_report+0xd1/0x650 [ 12.819087] ? __virt_addr_valid+0x1db/0x2d0 [ 12.819111] ? kasan_stack_oob+0x2b5/0x300 [ 12.819131] ? kasan_addr_to_slab+0x11/0xa0 [ 12.819153] ? kasan_stack_oob+0x2b5/0x300 [ 12.819175] kasan_report+0x141/0x180 [ 12.819197] ? kasan_stack_oob+0x2b5/0x300 [ 12.819222] __asan_report_load1_noabort+0x18/0x20 [ 12.819243] kasan_stack_oob+0x2b5/0x300 [ 12.819263] ? __pfx_kasan_stack_oob+0x10/0x10 [ 12.819283] ? finish_task_switch.isra.0+0x153/0x700 [ 12.819305] ? __switch_to+0x47/0xf50 [ 12.819332] ? __schedule+0x10cc/0x2b60 [ 12.819357] ? __pfx_read_tsc+0x10/0x10 [ 12.819386] ? ktime_get_ts64+0x86/0x230 [ 12.819412] kunit_try_run_case+0x1a5/0x480 [ 12.819434] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.819454] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.819479] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.819504] ? __kthread_parkme+0x82/0x180 [ 12.819526] ? preempt_count_sub+0x50/0x80 [ 12.819551] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.819572] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.819597] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.819621] kthread+0x337/0x6f0 [ 12.819641] ? trace_preempt_on+0x20/0xc0 [ 12.819664] ? __pfx_kthread+0x10/0x10 [ 12.819685] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.819706] ? calculate_sigpending+0x7b/0xa0 [ 12.819730] ? __pfx_kthread+0x10/0x10 [ 12.819751] ret_from_fork+0x116/0x1d0 [ 12.819769] ? __pfx_kthread+0x10/0x10 [ 12.819790] ret_from_fork_asm+0x1a/0x30 [ 12.819821] </TASK> [ 12.819831] [ 12.832294] The buggy address belongs to stack of task kunit_try_catch/267 [ 12.832754] and is located at offset 138 in frame: [ 12.832977] kasan_stack_oob+0x0/0x300 [ 12.833715] [ 12.833992] This frame has 4 objects: [ 12.834353] [48, 49) '__assertion' [ 12.834395] [64, 72) 'array' [ 12.834540] [96, 112) '__assertion' [ 12.834698] [128, 138) 'stack_array' [ 12.834904] [ 12.835289] The buggy address belongs to the physical page: [ 12.835503] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103957 [ 12.835938] flags: 0x200000000000000(node=0|zone=2) [ 12.836115] raw: 0200000000000000 ffffea00040e55c8 ffffea00040e55c8 0000000000000000 [ 12.836480] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 12.836779] page dumped because: kasan: bad access detected [ 12.837016] [ 12.837089] Memory state around the buggy address: [ 12.837307] ffff888103957c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 12.837655] ffff888103957c80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 12.838105] >ffff888103957d00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 12.838344] ^ [ 12.838521] ffff888103957d80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 12.838840] ffff888103957e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.839189] ==================================================================