Date
June 7, 2025, 10:40 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.290241] ================================================================== [ 21.291233] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x150/0x2e8 [ 21.292600] Write of size 128 at addr fff00000c416b400 by task kunit_try_catch/158 [ 21.293314] [ 21.293628] CPU: 1 UID: 0 PID: 158 Comm: kunit_try_catch Tainted: G B N 6.12.33-rc1 #1 [ 21.293944] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.294038] Hardware name: linux,dummy-virt (DT) [ 21.294125] Call trace: [ 21.294187] dump_backtrace+0x9c/0x128 [ 21.294299] show_stack+0x20/0x38 [ 21.294401] dump_stack_lvl+0x8c/0xd0 [ 21.294473] print_report+0x118/0x5f0 [ 21.294520] kasan_report+0xdc/0x128 [ 21.294563] kasan_check_range+0x100/0x1a8 [ 21.294610] __asan_memset+0x34/0x78 [ 21.294653] kmalloc_oob_in_memset+0x150/0x2e8 [ 21.294701] kunit_try_run_case+0x170/0x3f0 [ 21.294747] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.294798] kthread+0x24c/0x2d0 [ 21.294841] ret_from_fork+0x10/0x20 [ 21.294888] [ 21.302424] Allocated by task 158: [ 21.303040] kasan_save_stack+0x3c/0x68 [ 21.303704] kasan_save_track+0x20/0x40 [ 21.304375] kasan_save_alloc_info+0x40/0x58 [ 21.304950] __kasan_kmalloc+0xd4/0xd8 [ 21.305712] __kmalloc_cache_noprof+0x154/0x320 [ 21.306437] kmalloc_oob_in_memset+0xb0/0x2e8 [ 21.307055] kunit_try_run_case+0x170/0x3f0 [ 21.307650] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.308375] kthread+0x24c/0x2d0 [ 21.308955] ret_from_fork+0x10/0x20 [ 21.309508] [ 21.309928] The buggy address belongs to the object at fff00000c416b400 [ 21.309928] which belongs to the cache kmalloc-128 of size 128 [ 21.311268] The buggy address is located 0 bytes inside of [ 21.311268] allocated 120-byte region [fff00000c416b400, fff00000c416b478) [ 21.312576] [ 21.312909] The buggy address belongs to the physical page: [ 21.313594] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10416b [ 21.314362] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.315057] page_type: f5(slab) [ 21.315516] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 21.316368] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 21.317094] page dumped because: kasan: bad access detected [ 21.317723] [ 21.318067] Memory state around the buggy address: [ 21.318571] fff00000c416b300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 21.319382] fff00000c416b380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.320070] >fff00000c416b400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 21.320842] ^ [ 21.321492] fff00000c416b480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.322263] fff00000c416b500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.322937] ==================================================================
[ 17.605821] ================================================================== [ 17.606976] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x160/0x320 [ 17.608266] Write of size 128 at addr ffff888102309f00 by task kunit_try_catch/175 [ 17.608794] [ 17.609022] CPU: 1 UID: 0 PID: 175 Comm: kunit_try_catch Tainted: G B N 6.12.33-rc1 #1 [ 17.609139] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.609176] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.609254] Call Trace: [ 17.609300] <TASK> [ 17.609349] dump_stack_lvl+0x73/0xb0 [ 17.609432] print_report+0xd1/0x640 [ 17.609505] ? __virt_addr_valid+0x1db/0x2d0 [ 17.609628] ? kmalloc_oob_in_memset+0x160/0x320 [ 17.609667] ? kasan_complete_mode_report_info+0x2a/0x200 [ 17.609700] ? kmalloc_oob_in_memset+0x160/0x320 [ 17.609734] kasan_report+0x140/0x180 [ 17.609768] ? kmalloc_oob_in_memset+0x160/0x320 [ 17.609830] kasan_check_range+0x10c/0x1c0 [ 17.609898] __asan_memset+0x27/0x50 [ 17.609929] kmalloc_oob_in_memset+0x160/0x320 [ 17.609965] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 17.610003] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 17.610043] kunit_try_run_case+0x1a6/0x480 [ 17.610077] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.610105] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 17.610134] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 17.610170] ? __kthread_parkme+0x82/0x160 [ 17.610198] ? preempt_count_sub+0x50/0x80 [ 17.610258] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.610288] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 17.610324] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.610362] kthread+0x257/0x310 [ 17.610387] ? __pfx_kthread+0x10/0x10 [ 17.610413] ret_from_fork+0x41/0x80 [ 17.610450] ? __pfx_kthread+0x10/0x10 [ 17.610571] ret_from_fork_asm+0x1a/0x30 [ 17.610616] </TASK> [ 17.610631] [ 17.631193] Allocated by task 175: [ 17.631568] kasan_save_stack+0x45/0x70 [ 17.632058] kasan_save_track+0x18/0x40 [ 17.632529] kasan_save_alloc_info+0x3b/0x50 [ 17.633639] __kasan_kmalloc+0xb7/0xc0 [ 17.633992] __kmalloc_cache_noprof+0x168/0x350 [ 17.635334] kmalloc_oob_in_memset+0xad/0x320 [ 17.636784] kunit_try_run_case+0x1a6/0x480 [ 17.637071] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.637413] kthread+0x257/0x310 [ 17.637630] ret_from_fork+0x41/0x80 [ 17.639486] ret_from_fork_asm+0x1a/0x30 [ 17.639899] [ 17.640731] The buggy address belongs to the object at ffff888102309f00 [ 17.640731] which belongs to the cache kmalloc-128 of size 128 [ 17.642775] The buggy address is located 0 bytes inside of [ 17.642775] allocated 120-byte region [ffff888102309f00, ffff888102309f78) [ 17.643415] [ 17.643586] The buggy address belongs to the physical page: [ 17.643914] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102309 [ 17.644755] flags: 0x200000000000000(node=0|zone=2) [ 17.646067] page_type: f5(slab) [ 17.646721] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 17.649539] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 17.650292] page dumped because: kasan: bad access detected [ 17.651167] [ 17.651578] Memory state around the buggy address: [ 17.652077] ffff888102309e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 17.653143] ffff888102309e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.654014] >ffff888102309f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 17.654852] ^ [ 17.655636] ffff888102309f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.656262] ffff88810230a000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.656978] ==================================================================