Date
Dec. 9, 2024, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 24.206563] ================================================================== [ 24.207779] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 24.208548] Write of size 128 at addr fff00000c639f600 by task kunit_try_catch/158 [ 24.210220] [ 24.210649] CPU: 0 UID: 0 PID: 158 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc2-next-20241209 #1 [ 24.212092] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.212740] Hardware name: linux,dummy-virt (DT) [ 24.213408] Call trace: [ 24.213841] show_stack+0x20/0x38 (C) [ 24.214431] dump_stack_lvl+0x8c/0xd0 [ 24.215140] print_report+0x118/0x5e0 [ 24.215664] kasan_report+0xc8/0x118 [ 24.216198] kasan_check_range+0x100/0x1a8 [ 24.216780] __asan_memset+0x34/0x78 [ 24.217487] kmalloc_oob_in_memset+0x144/0x2d0 [ 24.218238] kunit_try_run_case+0x14c/0x3d0 [ 24.219018] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.219767] kthread+0x24c/0x2d0 [ 24.220262] ret_from_fork+0x10/0x20 [ 24.220822] [ 24.221129] Allocated by task 158: [ 24.221612] kasan_save_stack+0x3c/0x68 [ 24.222129] kasan_save_track+0x20/0x40 [ 24.222693] kasan_save_alloc_info+0x40/0x58 [ 24.223327] __kasan_kmalloc+0xd4/0xd8 [ 24.224254] __kmalloc_cache_noprof+0x15c/0x3c0 [ 24.224825] kmalloc_oob_in_memset+0xb0/0x2d0 [ 24.225399] kunit_try_run_case+0x14c/0x3d0 [ 24.225986] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.226585] kthread+0x24c/0x2d0 [ 24.227369] ret_from_fork+0x10/0x20 [ 24.227834] [ 24.228164] The buggy address belongs to the object at fff00000c639f600 [ 24.228164] which belongs to the cache kmalloc-128 of size 128 [ 24.229509] The buggy address is located 0 bytes inside of [ 24.229509] allocated 120-byte region [fff00000c639f600, fff00000c639f678) [ 24.230782] [ 24.231456] The buggy address belongs to the physical page: [ 24.232099] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10639f [ 24.233030] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 24.233764] page_type: f5(slab) [ 24.234222] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 24.235308] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 24.236148] page dumped because: kasan: bad access detected [ 24.236829] [ 24.237125] Memory state around the buggy address: [ 24.237760] fff00000c639f500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 24.238479] fff00000c639f580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.239724] >fff00000c639f600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 24.240515] ^ [ 24.241303] fff00000c639f680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.242117] fff00000c639f700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.242891] ==================================================================
[ 24.107601] ================================================================== [ 24.108794] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x160/0x320 [ 24.109442] Write of size 128 at addr ffff888102954f00 by task kunit_try_catch/177 [ 24.110424] [ 24.110559] CPU: 0 UID: 0 PID: 177 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc2-next-20241209 #1 [ 24.111812] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.112527] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.113410] Call Trace: [ 24.113669] <TASK> [ 24.114012] dump_stack_lvl+0x73/0xb0 [ 24.114562] print_report+0xd1/0x640 [ 24.115075] ? __virt_addr_valid+0x1db/0x2d0 [ 24.115545] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.116332] kasan_report+0x102/0x140 [ 24.116726] ? kmalloc_oob_in_memset+0x160/0x320 [ 24.117387] ? kmalloc_oob_in_memset+0x160/0x320 [ 24.117847] kasan_check_range+0x10c/0x1c0 [ 24.118414] __asan_memset+0x27/0x50 [ 24.118927] kmalloc_oob_in_memset+0x160/0x320 [ 24.119419] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 24.120108] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 24.120558] kunit_try_run_case+0x1b3/0x490 [ 24.121104] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.121519] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 24.121903] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.122335] ? __kthread_parkme+0x82/0x160 [ 24.122925] ? preempt_count_sub+0x50/0x80 [ 24.123457] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.123892] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.124441] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.124952] kthread+0x257/0x310 [ 24.125283] ? __pfx_kthread+0x10/0x10 [ 24.125713] ret_from_fork+0x41/0x80 [ 24.126122] ? __pfx_kthread+0x10/0x10 [ 24.126481] ret_from_fork_asm+0x1a/0x30 [ 24.127079] </TASK> [ 24.127495] [ 24.128396] Allocated by task 177: [ 24.128667] kasan_save_stack+0x3d/0x60 [ 24.129266] kasan_save_track+0x18/0x40 [ 24.129888] kasan_save_alloc_info+0x3b/0x50 [ 24.130358] __kasan_kmalloc+0xb7/0xc0 [ 24.130893] __kmalloc_cache_noprof+0x184/0x410 [ 24.131433] kmalloc_oob_in_memset+0xad/0x320 [ 24.131978] kunit_try_run_case+0x1b3/0x490 [ 24.132453] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.133150] kthread+0x257/0x310 [ 24.133621] ret_from_fork+0x41/0x80 [ 24.133927] ret_from_fork_asm+0x1a/0x30 [ 24.134504] [ 24.134871] The buggy address belongs to the object at ffff888102954f00 [ 24.134871] which belongs to the cache kmalloc-128 of size 128 [ 24.135952] The buggy address is located 0 bytes inside of [ 24.135952] allocated 120-byte region [ffff888102954f00, ffff888102954f78) [ 24.137115] [ 24.137403] The buggy address belongs to the physical page: [ 24.137953] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102954 [ 24.138703] flags: 0x200000000000000(node=0|zone=2) [ 24.139204] page_type: f5(slab) [ 24.139697] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 24.140555] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 24.141284] page dumped because: kasan: bad access detected [ 24.142005] [ 24.142192] Memory state around the buggy address: [ 24.142652] ffff888102954e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 24.143416] ffff888102954e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.144175] >ffff888102954f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 24.144835] ^ [ 24.145497] ffff888102954f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.146097] ffff888102955000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 24.146910] ==================================================================