Date
July 9, 2025, 2:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.409677] ================================================================== [ 19.409743] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2dc/0x340 [ 19.409812] Read of size 1 at addr ffff800080a77b4a by task kunit_try_catch/253 [ 19.409867] [ 19.409909] CPU: 1 UID: 0 PID: 253 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc5 #1 PREEMPT [ 19.410003] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 19.410035] Hardware name: linux,dummy-virt (DT) [ 19.410071] Call trace: [ 19.411451] show_stack+0x20/0x38 (C) [ 19.411760] dump_stack_lvl+0x8c/0xd0 [ 19.411856] print_report+0x310/0x608 [ 19.411927] kasan_report+0xdc/0x128 [ 19.411979] __asan_report_load1_noabort+0x20/0x30 [ 19.412075] kasan_alloca_oob_right+0x2dc/0x340 [ 19.412161] kunit_try_run_case+0x170/0x3f0 [ 19.412224] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.412289] kthread+0x328/0x630 [ 19.412345] ret_from_fork+0x10/0x20 [ 19.412403] [ 19.412434] The buggy address belongs to stack of task kunit_try_catch/253 [ 19.412499] [ 19.412538] The buggy address belongs to the virtual mapping at [ 19.412538] [ffff800080a70000, ffff800080a79000) created by: [ 19.412538] kernel_clone+0x150/0x7a8 [ 19.412623] [ 19.412650] The buggy address belongs to the physical page: [ 19.412686] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106c15 [ 19.412764] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.412843] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 19.412910] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 19.412970] page dumped because: kasan: bad access detected [ 19.413013] [ 19.413042] Memory state around the buggy address: [ 19.413081] ffff800080a77a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.413970] ffff800080a77a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.414025] >ffff800080a77b00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 19.414100] ^ [ 19.414144] ffff800080a77b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 19.414529] ffff800080a77c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 19.414620] ==================================================================
[ 14.602173] ================================================================== [ 14.602648] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x329/0x390 [ 14.603021] Read of size 1 at addr ffff888103aafc4a by task kunit_try_catch/270 [ 14.603405] [ 14.603511] CPU: 1 UID: 0 PID: 270 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.603562] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.603573] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.603607] Call Trace: [ 14.603621] <TASK> [ 14.603639] dump_stack_lvl+0x73/0xb0 [ 14.603674] print_report+0xd1/0x650 [ 14.603697] ? __virt_addr_valid+0x1db/0x2d0 [ 14.603723] ? kasan_alloca_oob_right+0x329/0x390 [ 14.603746] ? kasan_addr_to_slab+0x11/0xa0 [ 14.603767] ? kasan_alloca_oob_right+0x329/0x390 [ 14.603856] kasan_report+0x141/0x180 [ 14.603881] ? kasan_alloca_oob_right+0x329/0x390 [ 14.603909] __asan_report_load1_noabort+0x18/0x20 [ 14.603935] kasan_alloca_oob_right+0x329/0x390 [ 14.603959] ? finish_task_switch.isra.0+0x153/0x700 [ 14.603986] ? preempt_schedule_common+0xbe/0x110 [ 14.604011] ? trace_hardirqs_on+0x37/0xe0 [ 14.604038] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 14.604064] ? __schedule+0x10cc/0x2b60 [ 14.604086] ? __pfx_read_tsc+0x10/0x10 [ 14.604108] ? ktime_get_ts64+0x86/0x230 [ 14.604133] kunit_try_run_case+0x1a5/0x480 [ 14.604160] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.604184] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.604208] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.604233] ? __kthread_parkme+0x82/0x180 [ 14.604256] ? preempt_count_sub+0x50/0x80 [ 14.604279] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.604303] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.604329] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.604354] kthread+0x337/0x6f0 [ 14.604373] ? trace_preempt_on+0x20/0xc0 [ 14.604395] ? __pfx_kthread+0x10/0x10 [ 14.604416] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.604438] ? calculate_sigpending+0x7b/0xa0 [ 14.604463] ? __pfx_kthread+0x10/0x10 [ 14.604484] ret_from_fork+0x116/0x1d0 [ 14.604503] ? __pfx_kthread+0x10/0x10 [ 14.604523] ret_from_fork_asm+0x1a/0x30 [ 14.604556] </TASK> [ 14.604567] [ 14.612620] The buggy address belongs to stack of task kunit_try_catch/270 [ 14.613053] [ 14.613159] The buggy address belongs to the physical page: [ 14.613414] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103aaf [ 14.613706] flags: 0x200000000000000(node=0|zone=2) [ 14.613950] raw: 0200000000000000 ffffea00040eabc8 ffffea00040eabc8 0000000000000000 [ 14.614237] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 14.614817] page dumped because: kasan: bad access detected [ 14.615048] [ 14.615141] Memory state around the buggy address: [ 14.615340] ffff888103aafb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.615580] ffff888103aafb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.615808] >ffff888103aafc00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 14.616023] ^ [ 14.616280] ffff888103aafc80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 14.616638] ffff888103aafd00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 14.617154] ==================================================================