Date
July 2, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.144205] ================================================================== [ 18.144263] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 18.144377] Write of size 128 at addr fff00000c583ff00 by task kunit_try_catch/170 [ 18.144433] [ 18.144519] CPU: 0 UID: 0 PID: 170 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 18.144618] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.144644] Hardware name: linux,dummy-virt (DT) [ 18.144673] Call trace: [ 18.144694] show_stack+0x20/0x38 (C) [ 18.144789] dump_stack_lvl+0x8c/0xd0 [ 18.144837] print_report+0x118/0x608 [ 18.144904] kasan_report+0xdc/0x128 [ 18.144948] kasan_check_range+0x100/0x1a8 [ 18.144994] __asan_memset+0x34/0x78 [ 18.145056] kmalloc_oob_in_memset+0x144/0x2d0 [ 18.145103] kunit_try_run_case+0x170/0x3f0 [ 18.145148] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.145198] kthread+0x328/0x630 [ 18.145316] ret_from_fork+0x10/0x20 [ 18.145407] [ 18.145425] Allocated by task 170: [ 18.145470] kasan_save_stack+0x3c/0x68 [ 18.145518] kasan_save_track+0x20/0x40 [ 18.145559] kasan_save_alloc_info+0x40/0x58 [ 18.145627] __kasan_kmalloc+0xd4/0xd8 [ 18.145683] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.145756] kmalloc_oob_in_memset+0xb0/0x2d0 [ 18.145793] kunit_try_run_case+0x170/0x3f0 [ 18.145829] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.145871] kthread+0x328/0x630 [ 18.145921] ret_from_fork+0x10/0x20 [ 18.145956] [ 18.145975] The buggy address belongs to the object at fff00000c583ff00 [ 18.145975] which belongs to the cache kmalloc-128 of size 128 [ 18.146030] The buggy address is located 0 bytes inside of [ 18.146030] allocated 120-byte region [fff00000c583ff00, fff00000c583ff78) [ 18.146106] [ 18.146165] The buggy address belongs to the physical page: [ 18.146203] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10583f [ 18.146310] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.146423] page_type: f5(slab) [ 18.146486] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.146753] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.146865] page dumped because: kasan: bad access detected [ 18.146916] [ 18.146933] Memory state around the buggy address: [ 18.147061] fff00000c583fe00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.147194] fff00000c583fe80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.147256] >fff00000c583ff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.147292] ^ [ 18.147384] fff00000c583ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.147426] fff00000c5840000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.147463] ==================================================================
[ 11.446534] ================================================================== [ 11.447310] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 11.447845] Write of size 128 at addr ffff888102c7bf00 by task kunit_try_catch/189 [ 11.448175] [ 11.448272] CPU: 1 UID: 0 PID: 189 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.448316] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.448327] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.448347] Call Trace: [ 11.448360] <TASK> [ 11.448390] dump_stack_lvl+0x73/0xb0 [ 11.448422] print_report+0xd1/0x650 [ 11.448448] ? __virt_addr_valid+0x1db/0x2d0 [ 11.448471] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.448492] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.448514] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.448535] kasan_report+0x141/0x180 [ 11.448557] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.448583] kasan_check_range+0x10c/0x1c0 [ 11.448605] __asan_memset+0x27/0x50 [ 11.448624] kmalloc_oob_in_memset+0x15f/0x320 [ 11.448645] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 11.448666] ? __schedule+0x10cc/0x2b60 [ 11.448688] ? __pfx_read_tsc+0x10/0x10 [ 11.448708] ? ktime_get_ts64+0x86/0x230 [ 11.448732] kunit_try_run_case+0x1a5/0x480 [ 11.448756] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.448777] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.448799] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.448820] ? __kthread_parkme+0x82/0x180 [ 11.448840] ? preempt_count_sub+0x50/0x80 [ 11.448863] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.448885] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.448906] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.448927] kthread+0x337/0x6f0 [ 11.448946] ? trace_preempt_on+0x20/0xc0 [ 11.448969] ? __pfx_kthread+0x10/0x10 [ 11.448989] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.449008] ? calculate_sigpending+0x7b/0xa0 [ 11.449031] ? __pfx_kthread+0x10/0x10 [ 11.449051] ret_from_fork+0x116/0x1d0 [ 11.449068] ? __pfx_kthread+0x10/0x10 [ 11.449087] ret_from_fork_asm+0x1a/0x30 [ 11.449117] </TASK> [ 11.449127] [ 11.456691] Allocated by task 189: [ 11.456873] kasan_save_stack+0x45/0x70 [ 11.457170] kasan_save_track+0x18/0x40 [ 11.457332] kasan_save_alloc_info+0x3b/0x50 [ 11.457510] __kasan_kmalloc+0xb7/0xc0 [ 11.457667] __kmalloc_cache_noprof+0x189/0x420 [ 11.457931] kmalloc_oob_in_memset+0xac/0x320 [ 11.458078] kunit_try_run_case+0x1a5/0x480 [ 11.458220] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.458657] kthread+0x337/0x6f0 [ 11.458916] ret_from_fork+0x116/0x1d0 [ 11.459086] ret_from_fork_asm+0x1a/0x30 [ 11.459225] [ 11.459296] The buggy address belongs to the object at ffff888102c7bf00 [ 11.459296] which belongs to the cache kmalloc-128 of size 128 [ 11.460356] The buggy address is located 0 bytes inside of [ 11.460356] allocated 120-byte region [ffff888102c7bf00, ffff888102c7bf78) [ 11.460887] [ 11.460990] The buggy address belongs to the physical page: [ 11.461240] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102c7b [ 11.461569] flags: 0x200000000000000(node=0|zone=2) [ 11.461796] page_type: f5(slab) [ 11.461922] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.462158] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.462675] page dumped because: kasan: bad access detected [ 11.462955] [ 11.463049] Memory state around the buggy address: [ 11.463275] ffff888102c7be00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.463661] ffff888102c7be80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.463916] >ffff888102c7bf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.464197] ^ [ 11.464730] ffff888102c7bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.465170] ffff888102c7c000: fa fb fb fb fc fc fc fc 00 00 00 fc fc fc fc fc [ 11.465389] ==================================================================