Date
Dec. 6, 2024, 3:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 33.996474] ================================================================== [ 33.997586] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 33.998447] Read of size 1 at addr ffff800080c27bdf by task kunit_try_catch/240 [ 33.999381] [ 34.000701] CPU: 1 UID: 0 PID: 240 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241206 #1 [ 34.001904] Tainted: [B]=BAD_PAGE, [N]=TEST [ 34.003661] Hardware name: linux,dummy-virt (DT) [ 34.004187] Call trace: [ 34.004669] show_stack+0x20/0x38 (C) [ 34.005306] dump_stack_lvl+0x8c/0xd0 [ 34.005951] print_report+0x2fc/0x5e0 [ 34.006657] kasan_report+0xc8/0x118 [ 34.007225] __asan_report_load1_noabort+0x20/0x30 [ 34.008399] kasan_alloca_oob_left+0x2b8/0x310 [ 34.009123] kunit_try_run_case+0x14c/0x3d0 [ 34.009818] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.011040] kthread+0x24c/0x2d0 [ 34.011704] ret_from_fork+0x10/0x20 [ 34.012225] [ 34.012622] The buggy address belongs to stack of task kunit_try_catch/240 [ 34.013408] [ 34.014062] The buggy address belongs to the virtual mapping at [ 34.014062] [ffff800080c20000, ffff800080c29000) created by: [ 34.014062] kernel_clone+0x140/0x788 [ 34.016043] [ 34.016503] The buggy address belongs to the physical page: [ 34.017262] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106b61 [ 34.018122] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 34.019977] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 34.020873] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 34.021739] page dumped because: kasan: bad access detected [ 34.022655] [ 34.023035] Memory state around the buggy address: [ 34.023749] ffff800080c27a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 34.024696] ffff800080c27b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 34.025477] >ffff800080c27b80: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 34.026275] ^ [ 34.027368] ffff800080c27c00: cb cb cb cb 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 [ 34.028303] ffff800080c27c80: 04 f2 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 [ 34.029210] ==================================================================
[ 26.878226] ================================================================== [ 26.879062] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x31f/0x380 [ 26.880470] Read of size 1 at addr ffff888102b1fc9f by task kunit_try_catch/259 [ 26.881566] [ 26.882067] CPU: 0 UID: 0 PID: 259 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241206 #1 [ 26.882922] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.883790] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.884692] Call Trace: [ 26.884994] <TASK> [ 26.885311] dump_stack_lvl+0x73/0xb0 [ 26.885754] print_report+0xd1/0x640 [ 26.886973] ? __virt_addr_valid+0x1db/0x2d0 [ 26.887480] ? kasan_addr_to_slab+0x11/0xa0 [ 26.887895] kasan_report+0x102/0x140 [ 26.888433] ? kasan_alloca_oob_left+0x31f/0x380 [ 26.888907] ? kasan_alloca_oob_left+0x31f/0x380 [ 26.889823] __asan_report_load1_noabort+0x18/0x20 [ 26.891309] kasan_alloca_oob_left+0x31f/0x380 [ 26.891749] ? __schedule_bug+0xa0/0xf0 [ 26.892263] ? __schedule+0xc70/0x27e0 [ 26.892708] ? trace_hardirqs_on+0x37/0xe0 [ 26.893251] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 26.893877] ? __schedule+0xc70/0x27e0 [ 26.894519] ? __pfx_read_tsc+0x10/0x10 [ 26.894914] ? ktime_get_ts64+0x86/0x230 [ 26.895914] kunit_try_run_case+0x1b3/0x490 [ 26.896481] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.897027] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 26.897810] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.898230] ? __kthread_parkme+0x82/0x160 [ 26.898727] ? preempt_count_sub+0x50/0x80 [ 26.899186] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.899835] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.900269] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.901141] kthread+0x257/0x310 [ 26.901679] ? __pfx_kthread+0x10/0x10 [ 26.902070] ret_from_fork+0x41/0x80 [ 26.902519] ? __pfx_kthread+0x10/0x10 [ 26.902927] ret_from_fork_asm+0x1a/0x30 [ 26.904307] </TASK> [ 26.904545] [ 26.905313] The buggy address belongs to stack of task kunit_try_catch/259 [ 26.905963] [ 26.906526] The buggy address belongs to the physical page: [ 26.906968] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b1f [ 26.908274] flags: 0x200000000000000(node=0|zone=2) [ 26.908975] raw: 0200000000000000 ffffea00040ac7c8 ffffea00040ac7c8 0000000000000000 [ 26.909891] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 26.911059] page dumped because: kasan: bad access detected [ 26.911838] [ 26.912168] Memory state around the buggy address: [ 26.912661] ffff888102b1fb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.913846] ffff888102b1fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.914555] >ffff888102b1fc80: ca ca ca ca 00 02 cb cb cb cb cb cb 00 00 00 00 [ 26.915379] ^ [ 26.915798] ffff888102b1fd00: 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 00 f3 [ 26.916226] ffff888102b1fd80: f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 [ 26.916954] ==================================================================