Date
July 3, 2025, 6:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.856162] ================================================================== [ 16.856227] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 16.856276] Write of size 8 at addr fff00000c78c1171 by task kunit_try_catch/176 [ 16.856489] [ 16.856527] CPU: 0 UID: 0 PID: 176 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 16.856919] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.857096] Hardware name: linux,dummy-virt (DT) [ 16.857224] Call trace: [ 16.857296] show_stack+0x20/0x38 (C) [ 16.857472] dump_stack_lvl+0x8c/0xd0 [ 16.857569] print_report+0x118/0x608 [ 16.857675] kasan_report+0xdc/0x128 [ 16.857731] kasan_check_range+0x100/0x1a8 [ 16.857783] __asan_memset+0x34/0x78 [ 16.857987] kmalloc_oob_memset_8+0x150/0x2f8 [ 16.858328] kunit_try_run_case+0x170/0x3f0 [ 16.858433] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.858877] kthread+0x328/0x630 [ 16.859046] ret_from_fork+0x10/0x20 [ 16.859107] [ 16.859125] Allocated by task 176: [ 16.859304] kasan_save_stack+0x3c/0x68 [ 16.859529] kasan_save_track+0x20/0x40 [ 16.859890] kasan_save_alloc_info+0x40/0x58 [ 16.860125] __kasan_kmalloc+0xd4/0xd8 [ 16.860262] __kmalloc_cache_noprof+0x16c/0x3c0 [ 16.860573] kmalloc_oob_memset_8+0xb0/0x2f8 [ 16.860648] kunit_try_run_case+0x170/0x3f0 [ 16.860686] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.860735] kthread+0x328/0x630 [ 16.860766] ret_from_fork+0x10/0x20 [ 16.860800] [ 16.860947] The buggy address belongs to the object at fff00000c78c1100 [ 16.860947] which belongs to the cache kmalloc-128 of size 128 [ 16.861041] The buggy address is located 113 bytes inside of [ 16.861041] allocated 120-byte region [fff00000c78c1100, fff00000c78c1178) [ 16.861103] [ 16.861123] The buggy address belongs to the physical page: [ 16.861172] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078c1 [ 16.861225] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.861271] page_type: f5(slab) [ 16.861318] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 16.861375] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.861422] page dumped because: kasan: bad access detected [ 16.861461] [ 16.861495] Memory state around the buggy address: [ 16.861525] fff00000c78c1000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.861568] fff00000c78c1080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.861610] >fff00000c78c1100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.861652] ^ [ 16.861699] fff00000c78c1180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.861740] fff00000c78c1200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.861784] ==================================================================
[ 11.599853] ================================================================== [ 11.601007] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 11.601938] Write of size 8 at addr ffff888103328771 by task kunit_try_catch/194 [ 11.602208] [ 11.602490] CPU: 1 UID: 0 PID: 194 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.602544] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.602557] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.602576] Call Trace: [ 11.602588] <TASK> [ 11.602604] dump_stack_lvl+0x73/0xb0 [ 11.602631] print_report+0xd1/0x650 [ 11.602653] ? __virt_addr_valid+0x1db/0x2d0 [ 11.602674] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.602694] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.602715] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.602736] kasan_report+0x141/0x180 [ 11.602756] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.602781] kasan_check_range+0x10c/0x1c0 [ 11.602803] __asan_memset+0x27/0x50 [ 11.602822] kmalloc_oob_memset_8+0x166/0x330 [ 11.602844] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 11.602865] ? __schedule+0x10cc/0x2b60 [ 11.602886] ? __pfx_read_tsc+0x10/0x10 [ 11.602906] ? ktime_get_ts64+0x86/0x230 [ 11.602928] kunit_try_run_case+0x1a5/0x480 [ 11.602952] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.602972] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.602994] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.603016] ? __kthread_parkme+0x82/0x180 [ 11.603034] ? preempt_count_sub+0x50/0x80 [ 11.603057] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.603079] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.603102] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.603137] kthread+0x337/0x6f0 [ 11.603242] ? trace_preempt_on+0x20/0xc0 [ 11.603272] ? __pfx_kthread+0x10/0x10 [ 11.603295] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.603316] ? calculate_sigpending+0x7b/0xa0 [ 11.603339] ? __pfx_kthread+0x10/0x10 [ 11.603360] ret_from_fork+0x116/0x1d0 [ 11.603379] ? __pfx_kthread+0x10/0x10 [ 11.603398] ret_from_fork_asm+0x1a/0x30 [ 11.603428] </TASK> [ 11.603439] [ 11.613506] Allocated by task 194: [ 11.613675] kasan_save_stack+0x45/0x70 [ 11.614064] kasan_save_track+0x18/0x40 [ 11.614401] kasan_save_alloc_info+0x3b/0x50 [ 11.614723] __kasan_kmalloc+0xb7/0xc0 [ 11.614998] __kmalloc_cache_noprof+0x189/0x420 [ 11.615364] kmalloc_oob_memset_8+0xac/0x330 [ 11.615668] kunit_try_run_case+0x1a5/0x480 [ 11.615991] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.616419] kthread+0x337/0x6f0 [ 11.616601] ret_from_fork+0x116/0x1d0 [ 11.616792] ret_from_fork_asm+0x1a/0x30 [ 11.616984] [ 11.617080] The buggy address belongs to the object at ffff888103328700 [ 11.617080] which belongs to the cache kmalloc-128 of size 128 [ 11.617969] The buggy address is located 113 bytes inside of [ 11.617969] allocated 120-byte region [ffff888103328700, ffff888103328778) [ 11.618605] [ 11.618717] The buggy address belongs to the physical page: [ 11.618984] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103328 [ 11.619337] flags: 0x200000000000000(node=0|zone=2) [ 11.619825] page_type: f5(slab) [ 11.619996] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.620613] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.620976] page dumped because: kasan: bad access detected [ 11.621502] [ 11.621699] Memory state around the buggy address: [ 11.621922] ffff888103328600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.622472] ffff888103328680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.622864] >ffff888103328700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.623139] ^ [ 11.623732] ffff888103328780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.624082] ffff888103328800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.624519] ==================================================================