Date
July 5, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.400632] ================================================================== [ 20.400725] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 20.400966] Read of size 1 at addr ffff800080a07b5f by task kunit_try_catch/251 [ 20.401019] [ 20.401054] CPU: 0 UID: 0 PID: 251 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 20.401135] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.401178] Hardware name: linux,dummy-virt (DT) [ 20.401210] Call trace: [ 20.401235] show_stack+0x20/0x38 (C) [ 20.401285] dump_stack_lvl+0x8c/0xd0 [ 20.401336] print_report+0x310/0x608 [ 20.401392] kasan_report+0xdc/0x128 [ 20.401618] __asan_report_load1_noabort+0x20/0x30 [ 20.401878] kasan_alloca_oob_left+0x2b8/0x310 [ 20.401979] kunit_try_run_case+0x170/0x3f0 [ 20.402457] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.402631] kthread+0x328/0x630 [ 20.403067] ret_from_fork+0x10/0x20 [ 20.403164] [ 20.403385] The buggy address belongs to stack of task kunit_try_catch/251 [ 20.403507] [ 20.403550] The buggy address belongs to the virtual mapping at [ 20.403550] [ffff800080a00000, ffff800080a09000) created by: [ 20.403550] kernel_clone+0x150/0x7a8 [ 20.403771] [ 20.403796] The buggy address belongs to the physical page: [ 20.403837] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107922 [ 20.403972] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.404037] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 20.404090] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 20.404175] page dumped because: kasan: bad access detected [ 20.404210] [ 20.404231] Memory state around the buggy address: [ 20.404266] ffff800080a07a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.404361] ffff800080a07a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.404406] >ffff800080a07b00: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 20.404446] ^ [ 20.404487] ffff800080a07b80: cb cb cb cb 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 20.404532] ffff800080a07c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 20.404639] ==================================================================
[ 15.616566] ================================================================== [ 15.617519] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x320/0x380 [ 15.618342] Read of size 1 at addr ffff888103a4fc3f by task kunit_try_catch/269 [ 15.618731] [ 15.618886] CPU: 0 UID: 0 PID: 269 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 15.618948] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.618962] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 15.618988] Call Trace: [ 15.619006] <TASK> [ 15.619029] dump_stack_lvl+0x73/0xb0 [ 15.619068] print_report+0xd1/0x650 [ 15.619096] ? __virt_addr_valid+0x1db/0x2d0 [ 15.619124] ? kasan_alloca_oob_left+0x320/0x380 [ 15.619329] ? kasan_addr_to_slab+0x11/0xa0 [ 15.619357] ? kasan_alloca_oob_left+0x320/0x380 [ 15.619384] kasan_report+0x141/0x180 [ 15.619410] ? kasan_alloca_oob_left+0x320/0x380 [ 15.619486] __asan_report_load1_noabort+0x18/0x20 [ 15.619516] kasan_alloca_oob_left+0x320/0x380 [ 15.619544] ? irqentry_exit+0x2a/0x60 [ 15.619571] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 15.619600] ? trace_hardirqs_on+0x37/0xe0 [ 15.619631] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 15.619662] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 15.619693] kunit_try_run_case+0x1a5/0x480 [ 15.619723] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.619748] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 15.619776] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 15.619819] ? __kthread_parkme+0x82/0x180 [ 15.619844] ? preempt_count_sub+0x50/0x80 [ 15.619873] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.619899] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.619925] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 15.619951] kthread+0x337/0x6f0 [ 15.619973] ? trace_preempt_on+0x20/0xc0 [ 15.619998] ? __pfx_kthread+0x10/0x10 [ 15.620022] ? _raw_spin_unlock_irq+0x47/0x80 [ 15.620047] ? calculate_sigpending+0x7b/0xa0 [ 15.620076] ? __pfx_kthread+0x10/0x10 [ 15.620101] ret_from_fork+0x116/0x1d0 [ 15.620124] ? __pfx_kthread+0x10/0x10 [ 15.620148] ret_from_fork_asm+0x1a/0x30 [ 15.620187] </TASK> [ 15.620203] [ 15.633861] The buggy address belongs to stack of task kunit_try_catch/269 [ 15.634704] [ 15.634906] The buggy address belongs to the physical page: [ 15.635390] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a4f [ 15.635801] flags: 0x200000000000000(node=0|zone=2) [ 15.636016] raw: 0200000000000000 ffffea00040e93c8 ffffea00040e93c8 0000000000000000 [ 15.636544] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 15.636906] page dumped because: kasan: bad access detected [ 15.637778] [ 15.637911] Memory state around the buggy address: [ 15.638101] ffff888103a4fb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 15.638578] ffff888103a4fb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 15.639358] >ffff888103a4fc00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 15.639693] ^ [ 15.639956] ffff888103a4fc80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 15.640549] ffff888103a4fd00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 15.640900] ==================================================================