Date
July 1, 2025, 3:08 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.152841] ================================================================== [ 19.152957] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2dc/0x340 [ 19.153148] Read of size 1 at addr ffff800080a17b4a by task kunit_try_catch/254 [ 19.153403] [ 19.153646] CPU: 0 UID: 0 PID: 254 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 19.153961] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.153995] Hardware name: linux,dummy-virt (DT) [ 19.154192] Call trace: [ 19.154304] show_stack+0x20/0x38 (C) [ 19.154428] dump_stack_lvl+0x8c/0xd0 [ 19.154733] print_report+0x310/0x608 [ 19.154887] kasan_report+0xdc/0x128 [ 19.154966] __asan_report_load1_noabort+0x20/0x30 [ 19.155066] kasan_alloca_oob_right+0x2dc/0x340 [ 19.155551] kunit_try_run_case+0x170/0x3f0 [ 19.155704] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.155851] kthread+0x328/0x630 [ 19.155973] ret_from_fork+0x10/0x20 [ 19.156028] [ 19.156060] The buggy address belongs to stack of task kunit_try_catch/254 [ 19.156384] [ 19.156437] The buggy address belongs to the virtual mapping at [ 19.156437] [ffff800080a10000, ffff800080a19000) created by: [ 19.156437] kernel_clone+0x150/0x7a8 [ 19.156640] [ 19.156718] The buggy address belongs to the physical page: [ 19.156867] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1057b1 [ 19.156965] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.157341] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 19.157439] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 19.157610] page dumped because: kasan: bad access detected [ 19.157740] [ 19.157811] Memory state around the buggy address: [ 19.157871] ffff800080a17a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.158211] ffff800080a17a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.158274] >ffff800080a17b00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 19.158496] ^ [ 19.158658] ffff800080a17b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 19.158765] ffff800080a17c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 19.158913] ==================================================================
[ 13.490824] ================================================================== [ 13.491338] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x329/0x390 [ 13.492081] Read of size 1 at addr ffff888103a17c4a by task kunit_try_catch/270 [ 13.492573] [ 13.492732] CPU: 0 UID: 0 PID: 270 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.492783] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.492796] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.492985] Call Trace: [ 13.493000] <TASK> [ 13.493033] dump_stack_lvl+0x73/0xb0 [ 13.493066] print_report+0xd1/0x650 [ 13.493091] ? __virt_addr_valid+0x1db/0x2d0 [ 13.493117] ? kasan_alloca_oob_right+0x329/0x390 [ 13.493138] ? kasan_addr_to_slab+0x11/0xa0 [ 13.493157] ? kasan_alloca_oob_right+0x329/0x390 [ 13.493179] kasan_report+0x141/0x180 [ 13.493210] ? kasan_alloca_oob_right+0x329/0x390 [ 13.493237] __asan_report_load1_noabort+0x18/0x20 [ 13.493260] kasan_alloca_oob_right+0x329/0x390 [ 13.493295] ? irqentry_exit+0x2a/0x60 [ 13.493316] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 13.493340] ? trace_hardirqs_on+0x37/0xe0 [ 13.493367] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 13.493392] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 13.493419] kunit_try_run_case+0x1a5/0x480 [ 13.493444] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.493465] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.493489] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.493511] ? __kthread_parkme+0x82/0x180 [ 13.493533] ? preempt_count_sub+0x50/0x80 [ 13.493557] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.493579] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.493601] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.493624] kthread+0x337/0x6f0 [ 13.493694] ? trace_preempt_on+0x20/0xc0 [ 13.493718] ? __pfx_kthread+0x10/0x10 [ 13.493738] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.493758] ? calculate_sigpending+0x7b/0xa0 [ 13.493782] ? __pfx_kthread+0x10/0x10 [ 13.493804] ret_from_fork+0x116/0x1d0 [ 13.493823] ? __pfx_kthread+0x10/0x10 [ 13.493843] ret_from_fork_asm+0x1a/0x30 [ 13.493874] </TASK> [ 13.493885] [ 13.502508] The buggy address belongs to stack of task kunit_try_catch/270 [ 13.502871] [ 13.502991] The buggy address belongs to the physical page: [ 13.503245] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a17 [ 13.503538] flags: 0x200000000000000(node=0|zone=2) [ 13.503817] raw: 0200000000000000 ffffea00040e85c8 ffffea00040e85c8 0000000000000000 [ 13.504406] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 13.504897] page dumped because: kasan: bad access detected [ 13.505199] [ 13.505271] Memory state around the buggy address: [ 13.505428] ffff888103a17b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.505728] ffff888103a17b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.506090] >ffff888103a17c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 13.506311] ^ [ 13.506504] ffff888103a17c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 13.507088] ffff888103a17d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 13.507484] ==================================================================