Date
June 2, 2025, 2:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.764621] ================================================================== [ 20.765396] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2e4/0x348 [ 20.766122] Read of size 1 at addr ffff800080b47b4a by task kunit_try_catch/243 [ 20.767623] [ 20.767801] CPU: 0 UID: 0 PID: 243 Comm: kunit_try_catch Tainted: G B N 6.14.10-rc1 #1 [ 20.767915] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.767952] Hardware name: linux,dummy-virt (DT) [ 20.767997] Call trace: [ 20.768029] show_stack+0x20/0x38 (C) [ 20.768104] dump_stack_lvl+0x8c/0xd0 [ 20.768191] print_report+0x310/0x608 [ 20.768256] kasan_report+0xdc/0x128 [ 20.768311] __asan_report_load1_noabort+0x20/0x30 [ 20.768368] kasan_alloca_oob_right+0x2e4/0x348 [ 20.768427] kunit_try_run_case+0x170/0x3f0 [ 20.768487] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.768548] kthread+0x318/0x620 [ 20.768612] ret_from_fork+0x10/0x20 [ 20.768673] [ 20.771129] The buggy address belongs to stack of task kunit_try_catch/243 [ 20.771538] [ 20.771664] The buggy address belongs to the virtual mapping at [ 20.771664] [ffff800080b40000, ffff800080b49000) created by: [ 20.771664] kernel_clone+0x150/0x7a8 [ 20.772732] [ 20.772854] The buggy address belongs to the physical page: [ 20.773042] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103f44 [ 20.773901] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.774286] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 20.774704] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 20.775077] page dumped because: kasan: bad access detected [ 20.776255] [ 20.776433] Memory state around the buggy address: [ 20.776668] ffff800080b47a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.776948] ffff800080b47a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.777250] >ffff800080b47b00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 20.777612] ^ [ 20.777924] ffff800080b47b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 20.778686] ffff800080b47c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 20.779442] ==================================================================
[ 14.530736] ================================================================== [ 14.531207] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x32b/0x390 [ 14.531522] Read of size 1 at addr ffff888102d27c4a by task kunit_try_catch/261 [ 14.532100] [ 14.532203] CPU: 0 UID: 0 PID: 261 Comm: kunit_try_catch Tainted: G B N 6.14.10-rc1 #1 [ 14.532241] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.532252] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.532272] Call Trace: [ 14.532283] <TASK> [ 14.532297] dump_stack_lvl+0x73/0xb0 [ 14.532323] print_report+0xd1/0x650 [ 14.532360] ? __virt_addr_valid+0x1db/0x2d0 [ 14.532384] ? kasan_alloca_oob_right+0x32b/0x390 [ 14.532421] ? kasan_addr_to_slab+0x11/0xa0 [ 14.532443] ? kasan_alloca_oob_right+0x32b/0x390 [ 14.532468] kasan_report+0x140/0x180 [ 14.532493] ? kasan_alloca_oob_right+0x32b/0x390 [ 14.532522] __asan_report_load1_noabort+0x18/0x20 [ 14.532548] kasan_alloca_oob_right+0x32b/0x390 [ 14.532573] ? irqentry_exit+0x2a/0x60 [ 14.532604] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 14.532633] ? trace_hardirqs_on+0x37/0xe0 [ 14.532661] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 14.532752] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 14.532793] kunit_try_run_case+0x1a6/0x480 [ 14.532820] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.532845] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 14.532880] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.532907] ? __kthread_parkme+0x82/0x160 [ 14.532942] ? preempt_count_sub+0x50/0x80 [ 14.532969] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.532994] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.533031] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.533060] kthread+0x324/0x6e0 [ 14.533084] ? trace_preempt_on+0x20/0xc0 [ 14.533109] ? __pfx_kthread+0x10/0x10 [ 14.533134] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.533159] ? calculate_sigpending+0x7b/0xa0 [ 14.533184] ? __pfx_kthread+0x10/0x10 [ 14.533209] ret_from_fork+0x41/0x80 [ 14.533231] ? __pfx_kthread+0x10/0x10 [ 14.533256] ret_from_fork_asm+0x1a/0x30 [ 14.533290] </TASK> [ 14.533300] [ 14.543976] The buggy address belongs to stack of task kunit_try_catch/261 [ 14.544279] [ 14.544366] The buggy address belongs to the physical page: [ 14.544954] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102d27 [ 14.545302] flags: 0x200000000000000(node=0|zone=2) [ 14.545530] raw: 0200000000000000 ffffea00040b49c8 ffffea00040b49c8 0000000000000000 [ 14.546343] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 14.547318] page dumped because: kasan: bad access detected [ 14.547766] [ 14.547862] Memory state around the buggy address: [ 14.548227] ffff888102d27b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.548509] ffff888102d27b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.549224] >ffff888102d27c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 14.550083] ^ [ 14.550458] ffff888102d27c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 14.551021] ffff888102d27d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 14.551502] ==================================================================