Date
Dec. 9, 2024, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 26.842155] ================================================================== [ 26.843615] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 26.844365] Read of size 1 at addr ffff800080b57bdf by task kunit_try_catch/239 [ 26.845034] [ 26.845267] CPU: 1 UID: 0 PID: 239 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc2-next-20241209 #1 [ 26.846102] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.846767] Hardware name: linux,dummy-virt (DT) [ 26.847475] Call trace: [ 26.848589] show_stack+0x20/0x38 (C) [ 26.849104] dump_stack_lvl+0x8c/0xd0 [ 26.849727] print_report+0x2fc/0x5e0 [ 26.850233] kasan_report+0xc8/0x118 [ 26.851082] __asan_report_load1_noabort+0x20/0x30 [ 26.851801] kasan_alloca_oob_left+0x2b8/0x310 [ 26.852385] kunit_try_run_case+0x14c/0x3d0 [ 26.853037] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.853744] kthread+0x24c/0x2d0 [ 26.854268] ret_from_fork+0x10/0x20 [ 26.855005] [ 26.855401] The buggy address belongs to stack of task kunit_try_catch/239 [ 26.856154] [ 26.856515] The buggy address belongs to the virtual mapping at [ 26.856515] [ffff800080b50000, ffff800080b59000) created by: [ 26.856515] kernel_clone+0x140/0x788 [ 26.858018] [ 26.858358] The buggy address belongs to the physical page: [ 26.859159] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1012d1 [ 26.860016] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 26.860869] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 26.861733] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 26.862553] page dumped because: kasan: bad access detected [ 26.863387] [ 26.863815] Memory state around the buggy address: [ 26.864403] ffff800080b57a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.865145] ffff800080b57b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.865980] >ffff800080b57b80: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 26.866627] ^ [ 26.868069] ffff800080b57c00: cb cb cb cb 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 [ 26.868682] ffff800080b57c80: 04 f2 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 [ 26.869392] ==================================================================
[ 27.181886] ================================================================== [ 27.183060] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x31f/0x380 [ 27.183752] Read of size 1 at addr ffff888102ba7c9f by task kunit_try_catch/258 [ 27.184581] [ 27.184816] CPU: 0 UID: 0 PID: 258 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc2-next-20241209 #1 [ 27.186073] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.186506] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 27.187346] Call Trace: [ 27.187637] <TASK> [ 27.188564] dump_stack_lvl+0x73/0xb0 [ 27.189235] print_report+0xd1/0x640 [ 27.189704] ? __virt_addr_valid+0x1db/0x2d0 [ 27.190478] ? kasan_addr_to_slab+0x11/0xa0 [ 27.190909] kasan_report+0x102/0x140 [ 27.191266] ? kasan_alloca_oob_left+0x31f/0x380 [ 27.191715] ? kasan_alloca_oob_left+0x31f/0x380 [ 27.192201] __asan_report_load1_noabort+0x18/0x20 [ 27.193258] kasan_alloca_oob_left+0x31f/0x380 [ 27.193854] ? trace_raw_output_sched_switch+0xa0/0x250 [ 27.194534] ? __schedule+0xc70/0x27e0 [ 27.195119] ? trace_hardirqs_on+0x37/0xe0 [ 27.195724] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 27.196395] ? __schedule+0xc70/0x27e0 [ 27.197000] ? __pfx_read_tsc+0x10/0x10 [ 27.197575] ? ktime_get_ts64+0x86/0x230 [ 27.198508] kunit_try_run_case+0x1b3/0x490 [ 27.199046] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.199613] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 27.200322] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 27.200809] ? __kthread_parkme+0x82/0x160 [ 27.201637] ? preempt_count_sub+0x50/0x80 [ 27.202347] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.202997] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 27.203630] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.204648] kthread+0x257/0x310 [ 27.205081] ? __pfx_kthread+0x10/0x10 [ 27.205673] ret_from_fork+0x41/0x80 [ 27.206353] ? __pfx_kthread+0x10/0x10 [ 27.206757] ret_from_fork_asm+0x1a/0x30 [ 27.207137] </TASK> [ 27.207481] [ 27.207717] The buggy address belongs to stack of task kunit_try_catch/258 [ 27.208277] [ 27.208645] The buggy address belongs to the physical page: [ 27.209704] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102ba7 [ 27.210627] flags: 0x200000000000000(node=0|zone=2) [ 27.211159] raw: 0200000000000000 ffffea00040ae9c8 ffffea00040ae9c8 0000000000000000 [ 27.211872] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 27.212632] page dumped because: kasan: bad access detected [ 27.213208] [ 27.213579] Memory state around the buggy address: [ 27.214613] ffff888102ba7b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 27.215476] ffff888102ba7c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 27.216366] >ffff888102ba7c80: ca ca ca ca 00 02 cb cb cb cb cb cb 00 00 00 00 [ 27.216999] ^ [ 27.217426] ffff888102ba7d00: 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 00 f3 [ 27.218524] ffff888102ba7d80: f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 [ 27.219243] ==================================================================