Date
July 1, 2025, 12:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.506645] ================================================================== [ 17.506712] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 17.506765] Write of size 16 at addr fff00000c7800669 by task kunit_try_catch/178 [ 17.506882] [ 17.507010] CPU: 1 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 17.507118] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.507278] Hardware name: linux,dummy-virt (DT) [ 17.507479] Call trace: [ 17.507612] show_stack+0x20/0x38 (C) [ 17.507748] dump_stack_lvl+0x8c/0xd0 [ 17.507959] print_report+0x118/0x608 [ 17.508044] kasan_report+0xdc/0x128 [ 17.508146] kasan_check_range+0x100/0x1a8 [ 17.508237] __asan_memset+0x34/0x78 [ 17.508309] kmalloc_oob_memset_16+0x150/0x2f8 [ 17.508355] kunit_try_run_case+0x170/0x3f0 [ 17.508670] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.508767] kthread+0x328/0x630 [ 17.508810] ret_from_fork+0x10/0x20 [ 17.508859] [ 17.508879] Allocated by task 178: [ 17.508906] kasan_save_stack+0x3c/0x68 [ 17.508946] kasan_save_track+0x20/0x40 [ 17.508982] kasan_save_alloc_info+0x40/0x58 [ 17.509032] __kasan_kmalloc+0xd4/0xd8 [ 17.509068] __kmalloc_cache_noprof+0x16c/0x3c0 [ 17.509116] kmalloc_oob_memset_16+0xb0/0x2f8 [ 17.509153] kunit_try_run_case+0x170/0x3f0 [ 17.509197] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.509240] kthread+0x328/0x630 [ 17.509271] ret_from_fork+0x10/0x20 [ 17.509320] [ 17.509339] The buggy address belongs to the object at fff00000c7800600 [ 17.509339] which belongs to the cache kmalloc-128 of size 128 [ 17.509405] The buggy address is located 105 bytes inside of [ 17.509405] allocated 120-byte region [fff00000c7800600, fff00000c7800678) [ 17.509478] [ 17.509498] The buggy address belongs to the physical page: [ 17.509541] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107800 [ 17.509604] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.509652] page_type: f5(slab) [ 17.509691] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 17.509756] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.509811] page dumped because: kasan: bad access detected [ 17.509842] [ 17.509860] Memory state around the buggy address: [ 17.509893] fff00000c7800500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.509945] fff00000c7800580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.510003] >fff00000c7800600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 17.510040] ^ [ 17.510080] fff00000c7800680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.510121] fff00000c7800700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.510158] ==================================================================
[ 11.614336] ================================================================== [ 11.614963] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 11.615590] Write of size 16 at addr ffff8881030fbb69 by task kunit_try_catch/195 [ 11.615937] [ 11.616063] CPU: 0 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.616106] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.616118] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.616157] Call Trace: [ 11.616169] <TASK> [ 11.616182] dump_stack_lvl+0x73/0xb0 [ 11.616212] print_report+0xd1/0x650 [ 11.616235] ? __virt_addr_valid+0x1db/0x2d0 [ 11.616273] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.616295] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.616316] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.616337] kasan_report+0x141/0x180 [ 11.616376] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.616402] kasan_check_range+0x10c/0x1c0 [ 11.616425] __asan_memset+0x27/0x50 [ 11.616443] kmalloc_oob_memset_16+0x166/0x330 [ 11.616482] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 11.616504] ? __schedule+0x10cc/0x2b60 [ 11.616524] ? __pfx_read_tsc+0x10/0x10 [ 11.616544] ? ktime_get_ts64+0x86/0x230 [ 11.616567] kunit_try_run_case+0x1a5/0x480 [ 11.616591] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.616612] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.616633] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.616654] ? __kthread_parkme+0x82/0x180 [ 11.616673] ? preempt_count_sub+0x50/0x80 [ 11.616695] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.616717] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.616738] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.616760] kthread+0x337/0x6f0 [ 11.616778] ? trace_preempt_on+0x20/0xc0 [ 11.616800] ? __pfx_kthread+0x10/0x10 [ 11.616819] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.616839] ? calculate_sigpending+0x7b/0xa0 [ 11.616861] ? __pfx_kthread+0x10/0x10 [ 11.616881] ret_from_fork+0x116/0x1d0 [ 11.616898] ? __pfx_kthread+0x10/0x10 [ 11.616917] ret_from_fork_asm+0x1a/0x30 [ 11.616946] </TASK> [ 11.616956] [ 11.625669] Allocated by task 195: [ 11.625859] kasan_save_stack+0x45/0x70 [ 11.626168] kasan_save_track+0x18/0x40 [ 11.626367] kasan_save_alloc_info+0x3b/0x50 [ 11.626577] __kasan_kmalloc+0xb7/0xc0 [ 11.626762] __kmalloc_cache_noprof+0x189/0x420 [ 11.626978] kmalloc_oob_memset_16+0xac/0x330 [ 11.627306] kunit_try_run_case+0x1a5/0x480 [ 11.627690] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.627985] kthread+0x337/0x6f0 [ 11.628194] ret_from_fork+0x116/0x1d0 [ 11.628474] ret_from_fork_asm+0x1a/0x30 [ 11.628621] [ 11.628746] The buggy address belongs to the object at ffff8881030fbb00 [ 11.628746] which belongs to the cache kmalloc-128 of size 128 [ 11.629266] The buggy address is located 105 bytes inside of [ 11.629266] allocated 120-byte region [ffff8881030fbb00, ffff8881030fbb78) [ 11.629833] [ 11.629909] The buggy address belongs to the physical page: [ 11.630093] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1030fb [ 11.630731] flags: 0x200000000000000(node=0|zone=2) [ 11.630999] page_type: f5(slab) [ 11.631433] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.631710] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.632209] page dumped because: kasan: bad access detected [ 11.632470] [ 11.632568] Memory state around the buggy address: [ 11.632789] ffff8881030fba00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.633168] ffff8881030fba80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.633499] >ffff8881030fbb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.633838] ^ [ 11.634168] ffff8881030fbb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.634473] ffff8881030fbc00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.634693] ==================================================================