Date
March 19, 2025, 10:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 37.756273] ================================================================== [ 37.756575] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 37.757153] Read of size 1 at addr ffff800080947b5f by task kunit_try_catch/253 [ 37.757350] [ 37.757502] CPU: 1 UID: 0 PID: 253 Comm: kunit_try_catch Tainted: G B N 6.14.0-rc7-next-20250319 #1 PREEMPT [ 37.757795] Tainted: [B]=BAD_PAGE, [N]=TEST [ 37.757883] Hardware name: linux,dummy-virt (DT) [ 37.757993] Call trace: [ 37.758125] show_stack+0x20/0x38 (C) [ 37.758299] dump_stack_lvl+0x8c/0xd0 [ 37.758884] print_report+0x2fc/0x5f0 [ 37.759109] kasan_report+0xc8/0x118 [ 37.759268] __asan_report_load1_noabort+0x20/0x30 [ 37.759444] kasan_alloca_oob_left+0x2b8/0x310 [ 37.759682] kunit_try_run_case+0x14c/0x3d0 [ 37.759877] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.760078] kthread+0x318/0x618 [ 37.760655] ret_from_fork+0x10/0x20 [ 37.760850] [ 37.760924] The buggy address belongs to stack of task kunit_try_catch/253 [ 37.761147] [ 37.761236] The buggy address belongs to the virtual mapping at [ 37.761236] [ffff800080940000, ffff800080949000) created by: [ 37.761236] kernel_clone+0x140/0x788 [ 37.762007] [ 37.762140] The buggy address belongs to the physical page: [ 37.762274] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10693d [ 37.762455] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 37.762691] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 37.762903] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 37.763120] page dumped because: kasan: bad access detected [ 37.763234] [ 37.763639] Memory state around the buggy address: [ 37.763784] ffff800080947a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.763999] ffff800080947a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.764219] >ffff800080947b00: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 37.764423] ^ [ 37.764566] ffff800080947b80: cb cb cb cb 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 37.764996] ffff800080947c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 37.765143] ==================================================================
[ 24.678366] ================================================================== [ 24.679366] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x31d/0x380 [ 24.680196] Read of size 1 at addr ffff88810399fc3f by task kunit_try_catch/272 [ 24.680985] [ 24.681344] CPU: 0 UID: 0 PID: 272 Comm: kunit_try_catch Tainted: G B N 6.14.0-rc7-next-20250319 #1 PREEMPT(voluntary) [ 24.681473] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.681559] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.681645] Call Trace: [ 24.681684] <TASK> [ 24.681937] dump_stack_lvl+0x73/0xb0 [ 24.682030] print_report+0xd1/0x660 [ 24.682101] ? __virt_addr_valid+0x1db/0x2d0 [ 24.682249] ? kasan_addr_to_slab+0x11/0xa0 [ 24.682318] kasan_report+0x104/0x140 [ 24.682375] ? kasan_alloca_oob_left+0x31d/0x380 [ 24.682539] ? kasan_alloca_oob_left+0x31d/0x380 [ 24.682634] __asan_report_load1_noabort+0x18/0x20 [ 24.682744] kasan_alloca_oob_left+0x31d/0x380 [ 24.682802] ? irqentry_exit+0x2a/0x60 [ 24.682838] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 24.682874] ? trace_hardirqs_on+0x37/0xe0 [ 24.682913] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 24.682955] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 24.682996] kunit_try_run_case+0x1b2/0x490 [ 24.683031] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.683063] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.683095] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.683164] ? __kthread_parkme+0x82/0x160 [ 24.683267] ? preempt_count_sub+0x50/0x80 [ 24.683316] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.683351] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.683387] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.683420] kthread+0x323/0x710 [ 24.683451] ? trace_preempt_on+0x20/0xc0 [ 24.683484] ? __pfx_kthread+0x10/0x10 [ 24.683516] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.683545] ? calculate_sigpending+0x7b/0xa0 [ 24.683576] ? __pfx_kthread+0x10/0x10 [ 24.683636] ret_from_fork+0x41/0x80 [ 24.683669] ? __pfx_kthread+0x10/0x10 [ 24.683759] ret_from_fork_asm+0x1a/0x30 [ 24.683860] </TASK> [ 24.683892] [ 24.699082] The buggy address belongs to stack of task kunit_try_catch/272 [ 24.699488] [ 24.699667] The buggy address belongs to the physical page: [ 24.700336] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10399f [ 24.701878] flags: 0x200000000000000(node=0|zone=2) [ 24.702419] raw: 0200000000000000 ffffea00040e67c8 ffffea00040e67c8 0000000000000000 [ 24.703940] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 24.704549] page dumped because: kasan: bad access detected [ 24.705263] [ 24.705422] Memory state around the buggy address: [ 24.705704] ffff88810399fb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.706084] ffff88810399fb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.706585] >ffff88810399fc00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 24.709055] ^ [ 24.710468] ffff88810399fc80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 24.711019] ffff88810399fd00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 24.711911] ==================================================================