Date
Nov. 20, 2024, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 39.539131] ================================================================== [ 39.540552] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2e4/0x348 [ 39.541645] Read of size 1 at addr ffff8000809c7bea by task kunit_try_catch/242 [ 39.543438] [ 39.543905] CPU: 1 UID: 0 PID: 242 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241120 #1 [ 39.545097] Tainted: [B]=BAD_PAGE, [N]=TEST [ 39.545677] Hardware name: linux,dummy-virt (DT) [ 39.546242] Call trace: [ 39.546691] show_stack+0x20/0x38 (C) [ 39.547268] dump_stack_lvl+0x8c/0xd0 [ 39.548278] print_report+0x2fc/0x5e0 [ 39.548884] kasan_report+0xc8/0x118 [ 39.549563] __asan_report_load1_noabort+0x20/0x30 [ 39.550428] kasan_alloca_oob_right+0x2e4/0x348 [ 39.551635] kunit_try_run_case+0x14c/0x3d0 [ 39.552376] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 39.553150] kthread+0x24c/0x2d0 [ 39.553743] ret_from_fork+0x10/0x20 [ 39.554397] [ 39.554767] The buggy address belongs to stack of task kunit_try_catch/242 [ 39.555582] [ 39.555894] The buggy address belongs to the virtual mapping at [ 39.555894] [ffff8000809c0000, ffff8000809c9000) created by: [ 39.555894] kernel_clone+0x140/0x790 [ 39.557908] [ 39.558256] The buggy address belongs to the physical page: [ 39.558923] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106589 [ 39.560491] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 39.561283] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 39.562499] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 39.563435] page dumped because: kasan: bad access detected [ 39.564096] [ 39.564487] Memory state around the buggy address: [ 39.565077] ffff8000809c7a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 39.566183] ffff8000809c7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 39.567318] >ffff8000809c7b80: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 39.567992] ^ [ 39.568738] ffff8000809c7c00: cb cb cb cb 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 [ 39.569641] ffff8000809c7c80: 04 f2 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 [ 39.570420] ==================================================================
[ 31.137830] ================================================================== [ 31.138785] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x328/0x390 [ 31.140607] Read of size 1 at addr ffff888102c97caa by task kunit_try_catch/260 [ 31.141187] [ 31.141411] CPU: 0 UID: 0 PID: 260 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241120 #1 [ 31.142308] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.143665] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 31.145956] Call Trace: [ 31.146160] <TASK> [ 31.146333] dump_stack_lvl+0x73/0xb0 [ 31.146608] print_report+0xd1/0x640 [ 31.147926] ? __virt_addr_valid+0x1db/0x2d0 [ 31.149204] ? kasan_addr_to_slab+0x11/0xa0 [ 31.150075] kasan_report+0x102/0x140 [ 31.150801] ? kasan_alloca_oob_right+0x328/0x390 [ 31.151241] ? kasan_alloca_oob_right+0x328/0x390 [ 31.151902] __asan_report_load1_noabort+0x18/0x20 [ 31.154164] kasan_alloca_oob_right+0x328/0x390 [ 31.154456] ? __pfx_trace_event_raw_event_ipi_raise+0x10/0x10 [ 31.154832] ? __schedule+0xc3e/0x2790 [ 31.155084] ? trace_hardirqs_on+0x37/0xe0 [ 31.155348] ? __pfx_kasan_alloca_oob_right+0x10/0x10 [ 31.155652] ? __schedule+0xc3e/0x2790 [ 31.156220] ? __pfx_read_tsc+0x10/0x10 [ 31.156539] ? ktime_get_ts64+0x84/0x230 [ 31.157457] kunit_try_run_case+0x1b3/0x490 [ 31.158005] ? __pfx_kunit_try_run_case+0x10/0x10 [ 31.158560] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 31.159037] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 31.159332] ? __kthread_parkme+0x82/0x160 [ 31.159589] ? preempt_count_sub+0x50/0x80 [ 31.161103] ? __pfx_kunit_try_run_case+0x10/0x10 [ 31.161717] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 31.162078] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 31.162394] kthread+0x257/0x310 [ 31.162624] ? __pfx_kthread+0x10/0x10 [ 31.163235] ret_from_fork+0x41/0x80 [ 31.163616] ? __pfx_kthread+0x10/0x10 [ 31.163893] ret_from_fork_asm+0x1a/0x30 [ 31.164439] </TASK> [ 31.164838] [ 31.165274] The buggy address belongs to stack of task kunit_try_catch/260 [ 31.166911] [ 31.167714] The buggy address belongs to the physical page: [ 31.169370] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102c97 [ 31.170158] flags: 0x200000000000000(node=0|zone=2) [ 31.171049] raw: 0200000000000000 ffffea00040b25c8 ffffea00040b25c8 0000000000000000 [ 31.172578] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 31.173144] page dumped because: kasan: bad access detected [ 31.173753] [ 31.174477] Memory state around the buggy address: [ 31.174834] ffff888102c97b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.176332] ffff888102c97c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.177377] >ffff888102c97c80: ca ca ca ca 00 02 cb cb cb cb cb cb 00 00 00 00 [ 31.177709] ^ [ 31.178153] ffff888102c97d00: 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 00 f3 [ 31.179418] ffff888102c97d80: f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 [ 31.180217] ==================================================================