Date
Dec. 6, 2024, 3:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 31.108198] ================================================================== [ 31.109323] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 31.110285] Write of size 128 at addr fff00000c6728900 by task kunit_try_catch/159 [ 31.111830] [ 31.112254] CPU: 1 UID: 0 PID: 159 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241206 #1 [ 31.113663] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.114328] Hardware name: linux,dummy-virt (DT) [ 31.115277] Call trace: [ 31.115688] show_stack+0x20/0x38 (C) [ 31.116581] dump_stack_lvl+0x8c/0xd0 [ 31.117336] print_report+0x118/0x5e0 [ 31.118086] kasan_report+0xc8/0x118 [ 31.118917] kasan_check_range+0x100/0x1a8 [ 31.119732] __asan_memset+0x34/0x78 [ 31.120405] kmalloc_oob_in_memset+0x144/0x2d0 [ 31.121162] kunit_try_run_case+0x14c/0x3d0 [ 31.121860] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.122915] kthread+0x24c/0x2d0 [ 31.123481] ret_from_fork+0x10/0x20 [ 31.124096] [ 31.124459] Allocated by task 159: [ 31.125014] kasan_save_stack+0x3c/0x68 [ 31.125603] kasan_save_track+0x20/0x40 [ 31.126258] kasan_save_alloc_info+0x40/0x58 [ 31.126818] __kasan_kmalloc+0xd4/0xd8 [ 31.127427] __kmalloc_cache_noprof+0x15c/0x3c0 [ 31.128123] kmalloc_oob_in_memset+0xb0/0x2d0 [ 31.129155] kunit_try_run_case+0x14c/0x3d0 [ 31.129724] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.130869] kthread+0x24c/0x2d0 [ 31.131386] ret_from_fork+0x10/0x20 [ 31.131995] [ 31.132363] The buggy address belongs to the object at fff00000c6728900 [ 31.132363] which belongs to the cache kmalloc-128 of size 128 [ 31.133403] The buggy address is located 0 bytes inside of [ 31.133403] allocated 120-byte region [fff00000c6728900, fff00000c6728978) [ 31.134803] [ 31.135126] The buggy address belongs to the physical page: [ 31.136615] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106728 [ 31.137482] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 31.138274] page_type: f5(slab) [ 31.138843] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 31.139742] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 31.140941] page dumped because: kasan: bad access detected [ 31.141712] [ 31.142039] Memory state around the buggy address: [ 31.142943] fff00000c6728800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 31.143716] fff00000c6728880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.144839] >fff00000c6728900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 31.145693] ^ [ 31.146577] fff00000c6728980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.147449] fff00000c6728a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.148165] ==================================================================
[ 23.632300] ================================================================== [ 23.634329] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x160/0x320 [ 23.635334] Write of size 128 at addr ffff888102472700 by task kunit_try_catch/178 [ 23.636542] [ 23.636760] CPU: 1 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241206 #1 [ 23.639102] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.639535] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.640394] Call Trace: [ 23.640687] <TASK> [ 23.642105] dump_stack_lvl+0x73/0xb0 [ 23.643178] print_report+0xd1/0x640 [ 23.644193] ? __virt_addr_valid+0x1db/0x2d0 [ 23.644638] ? kasan_complete_mode_report_info+0x2a/0x200 [ 23.645607] kasan_report+0x102/0x140 [ 23.646377] ? kmalloc_oob_in_memset+0x160/0x320 [ 23.647313] ? kmalloc_oob_in_memset+0x160/0x320 [ 23.648531] kasan_check_range+0x10c/0x1c0 [ 23.648880] __asan_memset+0x27/0x50 [ 23.649627] kmalloc_oob_in_memset+0x160/0x320 [ 23.650402] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 23.651113] ? __schedule+0xc70/0x27e0 [ 23.652515] ? __pfx_read_tsc+0x10/0x10 [ 23.653086] ? ktime_get_ts64+0x86/0x230 [ 23.653569] kunit_try_run_case+0x1b3/0x490 [ 23.654987] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.655659] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 23.656124] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 23.656555] ? __kthread_parkme+0x82/0x160 [ 23.656989] ? preempt_count_sub+0x50/0x80 [ 23.657506] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.658277] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 23.659226] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.660325] kthread+0x257/0x310 [ 23.660877] ? __pfx_kthread+0x10/0x10 [ 23.661466] ret_from_fork+0x41/0x80 [ 23.663160] ? __pfx_kthread+0x10/0x10 [ 23.664033] ret_from_fork_asm+0x1a/0x30 [ 23.664524] </TASK> [ 23.665236] [ 23.665427] Allocated by task 178: [ 23.665853] kasan_save_stack+0x3d/0x60 [ 23.667207] kasan_save_track+0x18/0x40 [ 23.667691] kasan_save_alloc_info+0x3b/0x50 [ 23.668091] __kasan_kmalloc+0xb7/0xc0 [ 23.669072] __kmalloc_cache_noprof+0x184/0x410 [ 23.669980] kmalloc_oob_in_memset+0xad/0x320 [ 23.670278] kunit_try_run_case+0x1b3/0x490 [ 23.670542] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.670868] kthread+0x257/0x310 [ 23.671131] ret_from_fork+0x41/0x80 [ 23.671369] ret_from_fork_asm+0x1a/0x30 [ 23.672253] [ 23.672444] The buggy address belongs to the object at ffff888102472700 [ 23.672444] which belongs to the cache kmalloc-128 of size 128 [ 23.674698] The buggy address is located 0 bytes inside of [ 23.674698] allocated 120-byte region [ffff888102472700, ffff888102472778) [ 23.675342] [ 23.675508] The buggy address belongs to the physical page: [ 23.675826] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102472 [ 23.676298] flags: 0x200000000000000(node=0|zone=2) [ 23.676622] page_type: f5(slab) [ 23.677410] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 23.679267] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 23.679911] page dumped because: kasan: bad access detected [ 23.680483] [ 23.680744] Memory state around the buggy address: [ 23.682493] ffff888102472600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 23.683152] ffff888102472680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.683769] >ffff888102472700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 23.685354] ^ [ 23.686393] ffff888102472780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.687552] ffff888102472800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.688324] ==================================================================