Date
July 12, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.698413] ================================================================== [ 18.698482] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2dc/0x340 [ 18.698537] Read of size 1 at addr ffff800080907b4a by task kunit_try_catch/253 [ 18.698590] [ 18.698648] CPU: 0 UID: 0 PID: 253 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 18.698737] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.698766] Hardware name: linux,dummy-virt (DT) [ 18.698816] Call trace: [ 18.698842] show_stack+0x20/0x38 (C) [ 18.698898] dump_stack_lvl+0x8c/0xd0 [ 18.698949] print_report+0x310/0x5d0 [ 18.698996] kasan_report+0xdc/0x128 [ 18.699043] __asan_report_load1_noabort+0x20/0x30 [ 18.699096] kasan_alloca_oob_right+0x2dc/0x340 [ 18.699150] kunit_try_run_case+0x170/0x3f0 [ 18.699213] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.699498] kthread+0x328/0x630 [ 18.699766] ret_from_fork+0x10/0x20 [ 18.699927] [ 18.699987] The buggy address belongs to stack of task kunit_try_catch/253 [ 18.700073] [ 18.700218] The buggy address ffff800080907b4a belongs to a vmalloc virtual mapping [ 18.700294] The buggy address belongs to the physical page: [ 18.700344] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065fb [ 18.700773] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.700966] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 18.701070] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 18.701205] page dumped because: kasan: bad access detected [ 18.701241] [ 18.701261] Memory state around the buggy address: [ 18.701333] ffff800080907a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.701809] ffff800080907a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.701888] >ffff800080907b00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 18.702004] ^ [ 18.702104] ffff800080907b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 18.702188] ffff800080907c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 18.702500] ==================================================================
[ 14.873244] ================================================================== [ 14.873889] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x329/0x390 [ 14.874476] Read of size 1 at addr ffff888103b77c4a by task kunit_try_catch/270 [ 14.874834] [ 14.874935] CPU: 0 UID: 0 PID: 270 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.874997] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.875008] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.875045] Call Trace: [ 14.875056] <TASK> [ 14.875070] dump_stack_lvl+0x73/0xb0 [ 14.875099] print_report+0xd1/0x610 [ 14.875121] ? __virt_addr_valid+0x1db/0x2d0 [ 14.875145] ? kasan_alloca_oob_right+0x329/0x390 [ 14.875186] ? kasan_addr_to_slab+0x11/0xa0 [ 14.875207] ? kasan_alloca_oob_right+0x329/0x390 [ 14.875245] kasan_report+0x141/0x180 [ 14.875292] ? kasan_alloca_oob_right+0x329/0x390 [ 14.875320] __asan_report_load1_noabort+0x18/0x20 [ 14.875346] kasan_alloca_oob_right+0x329/0x390 [ 14.875370] ? __pfx_sched_clock_cpu+0x10/0x10 [ 14.875393] ? finish_task_switch.isra.0+0x153/0x700 [ 14.875417] ? __schedule+0x200e/0x2b60 [ 14.875438] ? trace_hardirqs_on+0x37/0xe0 [ 14.875464] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 14.875491] ? __schedule+0x10cc/0x2b60 [ 14.875512] ? __pfx_read_tsc+0x10/0x10 [ 14.875533] ? ktime_get_ts64+0x86/0x230 [ 14.875557] kunit_try_run_case+0x1a5/0x480 [ 14.875582] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.875605] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.875629] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.875653] ? __kthread_parkme+0x82/0x180 [ 14.875675] ? preempt_count_sub+0x50/0x80 [ 14.875699] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.875724] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.875748] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.875774] kthread+0x337/0x6f0 [ 14.875794] ? trace_preempt_on+0x20/0xc0 [ 14.875816] ? __pfx_kthread+0x10/0x10 [ 14.875837] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.875859] ? calculate_sigpending+0x7b/0xa0 [ 14.875883] ? __pfx_kthread+0x10/0x10 [ 14.875904] ret_from_fork+0x116/0x1d0 [ 14.875923] ? __pfx_kthread+0x10/0x10 [ 14.875943] ret_from_fork_asm+0x1a/0x30 [ 14.875974] </TASK> [ 14.875984] [ 14.883924] The buggy address belongs to stack of task kunit_try_catch/270 [ 14.884311] [ 14.884441] The buggy address belongs to the physical page: [ 14.884713] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103b77 [ 14.885274] flags: 0x200000000000000(node=0|zone=2) [ 14.885497] raw: 0200000000000000 ffffea00040eddc8 ffffea00040eddc8 0000000000000000 [ 14.885720] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 14.885964] page dumped because: kasan: bad access detected [ 14.886225] [ 14.886434] Memory state around the buggy address: [ 14.886781] ffff888103b77b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.887319] ffff888103b77b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.887636] >ffff888103b77c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 14.887883] ^ [ 14.888356] ffff888103b77c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 14.888850] ffff888103b77d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 14.889421] ==================================================================