Date
Nov. 22, 2024, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 33.461977] ================================================================== [ 33.463597] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 33.464796] Write of size 16 at addr fff00000c61052a0 by task kunit_try_catch/155 [ 33.466391] [ 33.467458] CPU: 0 UID: 0 PID: 155 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241122 #1 [ 33.469278] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.471160] Hardware name: linux,dummy-virt (DT) [ 33.471854] Call trace: [ 33.472260] show_stack+0x20/0x38 (C) [ 33.472927] dump_stack_lvl+0x8c/0xd0 [ 33.473901] print_report+0x118/0x5e0 [ 33.474511] kasan_report+0xc8/0x118 [ 33.475188] __asan_report_store16_noabort+0x20/0x30 [ 33.475925] kmalloc_oob_16+0x3a0/0x3f8 [ 33.476724] kunit_try_run_case+0x14c/0x3d0 [ 33.477857] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.478992] kthread+0x24c/0x2d0 [ 33.479886] ret_from_fork+0x10/0x20 [ 33.481055] [ 33.481787] Allocated by task 155: [ 33.482283] kasan_save_stack+0x3c/0x68 [ 33.482720] kasan_save_track+0x20/0x40 [ 33.483154] kasan_save_alloc_info+0x40/0x58 [ 33.483817] __kasan_kmalloc+0xd4/0xd8 [ 33.484256] __kmalloc_cache_noprof+0x15c/0x3c8 [ 33.486544] kmalloc_oob_16+0xb4/0x3f8 [ 33.487063] kunit_try_run_case+0x14c/0x3d0 [ 33.488105] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.489539] kthread+0x24c/0x2d0 [ 33.490744] ret_from_fork+0x10/0x20 [ 33.491536] [ 33.492170] The buggy address belongs to the object at fff00000c61052a0 [ 33.492170] which belongs to the cache kmalloc-16 of size 16 [ 33.496087] The buggy address is located 0 bytes inside of [ 33.496087] allocated 13-byte region [fff00000c61052a0, fff00000c61052ad) [ 33.499034] [ 33.499471] The buggy address belongs to the physical page: [ 33.500239] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106105 [ 33.501233] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 33.502967] page_type: f5(slab) [ 33.503754] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 33.505547] raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000 [ 33.507145] page dumped because: kasan: bad access detected [ 33.507943] [ 33.508243] Memory state around the buggy address: [ 33.508847] fff00000c6105180: fa fb fc fc 00 05 fc fc 00 05 fc fc 00 00 fc fc [ 33.509973] fff00000c6105200: 00 06 fc fc 00 06 fc fc 00 00 fc fc fa fb fc fc [ 33.511306] >fff00000c6105280: fa fb fc fc 00 05 fc fc 00 00 fc fc fc fc fc fc [ 33.512284] ^ [ 33.513169] fff00000c6105300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.514105] fff00000c6105380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.515648] ==================================================================
[ 24.979727] ================================================================== [ 24.980582] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x454/0x4a0 [ 24.981538] Write of size 16 at addr ffff888102834680 by task kunit_try_catch/174 [ 24.982913] [ 24.983191] CPU: 1 UID: 0 PID: 174 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241122 #1 [ 24.983814] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.985073] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.986171] Call Trace: [ 24.986813] <TASK> [ 24.987136] dump_stack_lvl+0x73/0xb0 [ 24.987654] print_report+0xd1/0x640 [ 24.988144] ? __virt_addr_valid+0x1db/0x2d0 [ 24.989313] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.989761] kasan_report+0x102/0x140 [ 24.990439] ? kmalloc_oob_16+0x454/0x4a0 [ 24.990846] ? kmalloc_oob_16+0x454/0x4a0 [ 24.991231] __asan_report_store16_noabort+0x1b/0x30 [ 24.992471] kmalloc_oob_16+0x454/0x4a0 [ 24.992850] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 24.993634] ? __schedule+0xc3e/0x2790 [ 24.994366] ? __pfx_read_tsc+0x10/0x10 [ 24.995314] ? ktime_get_ts64+0x84/0x230 [ 24.995709] kunit_try_run_case+0x1b3/0x490 [ 24.996334] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.997207] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 24.997616] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.998485] ? __kthread_parkme+0x82/0x160 [ 24.999179] ? preempt_count_sub+0x50/0x80 [ 24.999674] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.000758] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.001232] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.001934] kthread+0x257/0x310 [ 25.002628] ? __pfx_kthread+0x10/0x10 [ 25.003301] ret_from_fork+0x41/0x80 [ 25.003728] ? __pfx_kthread+0x10/0x10 [ 25.004200] ret_from_fork_asm+0x1a/0x30 [ 25.004892] </TASK> [ 25.005395] [ 25.005633] Allocated by task 174: [ 25.006415] kasan_save_stack+0x3d/0x60 [ 25.006957] kasan_save_track+0x18/0x40 [ 25.007639] kasan_save_alloc_info+0x3b/0x50 [ 25.008217] __kasan_kmalloc+0xb7/0xc0 [ 25.008896] __kmalloc_cache_noprof+0x184/0x410 [ 25.009565] kmalloc_oob_16+0xa9/0x4a0 [ 25.009841] kunit_try_run_case+0x1b3/0x490 [ 25.010145] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.010690] kthread+0x257/0x310 [ 25.011036] ret_from_fork+0x41/0x80 [ 25.011568] ret_from_fork_asm+0x1a/0x30 [ 25.011893] [ 25.012047] The buggy address belongs to the object at ffff888102834680 [ 25.012047] which belongs to the cache kmalloc-16 of size 16 [ 25.012898] The buggy address is located 0 bytes inside of [ 25.012898] allocated 13-byte region [ffff888102834680, ffff88810283468d) [ 25.013924] [ 25.014086] The buggy address belongs to the physical page: [ 25.015115] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102834 [ 25.015982] flags: 0x200000000000000(node=0|zone=2) [ 25.016484] page_type: f5(slab) [ 25.017064] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 25.017814] raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000 [ 25.019158] page dumped because: kasan: bad access detected [ 25.019737] [ 25.019975] Memory state around the buggy address: [ 25.020555] ffff888102834580: 00 02 fc fc 00 02 fc fc 00 02 fc fc fa fb fc fc [ 25.021206] ffff888102834600: fa fb fc fc fa fb fc fc 00 05 fc fc fa fb fc fc [ 25.021858] >ffff888102834680: 00 05 fc fc 00 00 fc fc fc fc fc fc fc fc fc fc [ 25.022228] ^ [ 25.022902] ffff888102834700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.023537] ffff888102834780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.024430] ==================================================================