Date
June 16, 2025, 7:07 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.134412] ================================================================== [ 22.134541] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270 [ 22.134636] Read of size 1 at addr ffff800080ab7c2a by task kunit_try_catch/258 [ 22.134703] [ 22.134769] CPU: 0 UID: 0 PID: 258 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT [ 22.134904] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.134945] Hardware name: linux,dummy-virt (DT) [ 22.134992] Call trace: [ 22.135028] show_stack+0x20/0x38 (C) [ 22.135098] dump_stack_lvl+0x8c/0xd0 [ 22.135160] print_report+0x310/0x608 [ 22.135221] kasan_report+0xdc/0x128 [ 22.136169] __asan_report_load1_noabort+0x20/0x30 [ 22.136336] kasan_stack_oob+0x238/0x270 [ 22.136396] kunit_try_run_case+0x170/0x3f0 [ 22.136515] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.136711] kthread+0x328/0x630 [ 22.136953] ret_from_fork+0x10/0x20 [ 22.137163] [ 22.137451] The buggy address belongs to stack of task kunit_try_catch/258 [ 22.137733] and is located at offset 138 in frame: [ 22.138119] kasan_stack_oob+0x0/0x270 [ 22.138646] [ 22.138747] This frame has 4 objects: [ 22.139198] [48, 49) '__assertion' [ 22.139519] [64, 72) 'array' [ 22.139760] [96, 112) '__assertion' [ 22.139970] [128, 138) 'stack_array' [ 22.140138] [ 22.140311] The buggy address belongs to the virtual mapping at [ 22.140311] [ffff800080ab0000, ffff800080ab9000) created by: [ 22.140311] kernel_clone+0x150/0x7a8 [ 22.140441] [ 22.140684] The buggy address belongs to the physical page: [ 22.140738] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065d0 [ 22.140941] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.141046] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 22.141267] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 22.141511] page dumped because: kasan: bad access detected [ 22.141562] [ 22.141592] Memory state around the buggy address: [ 22.141642] ffff800080ab7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.141703] ffff800080ab7b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 [ 22.141759] >ffff800080ab7c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00 [ 22.141824] ^ [ 22.141891] ffff800080ab7c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2 [ 22.141949] ffff800080ab7d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 22.142023] ==================================================================
[ 13.298805] ================================================================== [ 13.299456] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300 [ 13.300034] Read of size 1 at addr ffff88810394fd02 by task kunit_try_catch/274 [ 13.300449] [ 13.300841] CPU: 0 UID: 0 PID: 274 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT(voluntary) [ 13.300893] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.300904] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.301299] Call Trace: [ 13.301312] <TASK> [ 13.301328] dump_stack_lvl+0x73/0xb0 [ 13.301359] print_report+0xd1/0x650 [ 13.301382] ? __virt_addr_valid+0x1db/0x2d0 [ 13.301405] ? kasan_stack_oob+0x2b5/0x300 [ 13.301424] ? kasan_addr_to_slab+0x11/0xa0 [ 13.301443] ? kasan_stack_oob+0x2b5/0x300 [ 13.301463] kasan_report+0x141/0x180 [ 13.301483] ? kasan_stack_oob+0x2b5/0x300 [ 13.301507] __asan_report_load1_noabort+0x18/0x20 [ 13.301530] kasan_stack_oob+0x2b5/0x300 [ 13.301549] ? __pfx_kasan_stack_oob+0x10/0x10 [ 13.301568] ? finish_task_switch.isra.0+0x153/0x700 [ 13.301590] ? __switch_to+0x47/0xf50 [ 13.301616] ? __schedule+0x10cc/0x2b60 [ 13.301639] ? __pfx_read_tsc+0x10/0x10 [ 13.301661] ? ktime_get_ts64+0x86/0x230 [ 13.301693] kunit_try_run_case+0x1a5/0x480 [ 13.301717] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.301738] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.301760] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.301782] ? __kthread_parkme+0x82/0x180 [ 13.301803] ? preempt_count_sub+0x50/0x80 [ 13.301825] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.301848] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.301871] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.301893] kthread+0x337/0x6f0 [ 13.301913] ? trace_preempt_on+0x20/0xc0 [ 13.301949] ? __pfx_kthread+0x10/0x10 [ 13.301970] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.301990] ? calculate_sigpending+0x7b/0xa0 [ 13.302013] ? __pfx_kthread+0x10/0x10 [ 13.302034] ret_from_fork+0x116/0x1d0 [ 13.302053] ? __pfx_kthread+0x10/0x10 [ 13.302073] ret_from_fork_asm+0x1a/0x30 [ 13.302104] </TASK> [ 13.302114] [ 13.312444] The buggy address belongs to stack of task kunit_try_catch/274 [ 13.313107] and is located at offset 138 in frame: [ 13.313339] kasan_stack_oob+0x0/0x300 [ 13.314112] [ 13.314228] This frame has 4 objects: [ 13.314696] [48, 49) '__assertion' [ 13.314731] [64, 72) 'array' [ 13.314895] [96, 112) '__assertion' [ 13.315035] [128, 138) 'stack_array' [ 13.315517] [ 13.315752] The buggy address belongs to the physical page: [ 13.316003] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10394f [ 13.316340] flags: 0x200000000000000(node=0|zone=2) [ 13.316904] raw: 0200000000000000 ffffea00040e53c8 ffffea00040e53c8 0000000000000000 [ 13.317317] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 13.318191] page dumped because: kasan: bad access detected [ 13.318431] [ 13.318661] Memory state around the buggy address: [ 13.319089] ffff88810394fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 13.319524] ffff88810394fc80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 [ 13.320069] >ffff88810394fd00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 13.320553] ^ [ 13.320689] ffff88810394fd80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 [ 13.321186] ffff88810394fe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.321727] ==================================================================