Date
July 5, 2025, 11:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.057285] ================================================================== [ 19.057481] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 19.057634] Write of size 16 at addr fff00000c56f1c69 by task kunit_try_catch/179 [ 19.057784] [ 19.057875] CPU: 0 UID: 0 PID: 179 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 19.058063] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.058115] Hardware name: linux,dummy-virt (DT) [ 19.058176] Call trace: [ 19.058244] show_stack+0x20/0x38 (C) [ 19.058333] dump_stack_lvl+0x8c/0xd0 [ 19.058448] print_report+0x118/0x608 [ 19.058558] kasan_report+0xdc/0x128 [ 19.058667] kasan_check_range+0x100/0x1a8 [ 19.058759] __asan_memset+0x34/0x78 [ 19.058844] kmalloc_oob_memset_16+0x150/0x2f8 [ 19.058962] kunit_try_run_case+0x170/0x3f0 [ 19.059059] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.059168] kthread+0x328/0x630 [ 19.059247] ret_from_fork+0x10/0x20 [ 19.059341] [ 19.059400] Allocated by task 179: [ 19.059454] kasan_save_stack+0x3c/0x68 [ 19.059534] kasan_save_track+0x20/0x40 [ 19.059611] kasan_save_alloc_info+0x40/0x58 [ 19.059701] __kasan_kmalloc+0xd4/0xd8 [ 19.059820] __kmalloc_cache_noprof+0x16c/0x3c0 [ 19.059905] kmalloc_oob_memset_16+0xb0/0x2f8 [ 19.060014] kunit_try_run_case+0x170/0x3f0 [ 19.060103] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.060226] kthread+0x328/0x630 [ 19.060304] ret_from_fork+0x10/0x20 [ 19.060425] [ 19.060526] The buggy address belongs to the object at fff00000c56f1c00 [ 19.060526] which belongs to the cache kmalloc-128 of size 128 [ 19.060658] The buggy address is located 105 bytes inside of [ 19.060658] allocated 120-byte region [fff00000c56f1c00, fff00000c56f1c78) [ 19.060812] [ 19.060869] The buggy address belongs to the physical page: [ 19.060933] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1056f1 [ 19.061078] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.061165] page_type: f5(slab) [ 19.061239] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.061377] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.061453] page dumped because: kasan: bad access detected [ 19.061520] [ 19.061556] Memory state around the buggy address: [ 19.061626] fff00000c56f1b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.061762] fff00000c56f1b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.061887] >fff00000c56f1c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.062021] ^ [ 19.062097] fff00000c56f1c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.062193] fff00000c56f1d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.062270] ==================================================================
[ 13.783498] ================================================================== [ 13.784410] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 13.784727] Write of size 16 at addr ffff888103332169 by task kunit_try_catch/195 [ 13.785012] [ 13.785123] CPU: 1 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.785178] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.785193] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.785219] Call Trace: [ 13.785234] <TASK> [ 13.785255] dump_stack_lvl+0x73/0xb0 [ 13.785288] print_report+0xd1/0x650 [ 13.785314] ? __virt_addr_valid+0x1db/0x2d0 [ 13.785341] ? kmalloc_oob_memset_16+0x166/0x330 [ 13.785366] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.785391] ? kmalloc_oob_memset_16+0x166/0x330 [ 13.785417] kasan_report+0x141/0x180 [ 13.785442] ? kmalloc_oob_memset_16+0x166/0x330 [ 13.785473] kasan_check_range+0x10c/0x1c0 [ 13.785500] __asan_memset+0x27/0x50 [ 13.785523] kmalloc_oob_memset_16+0x166/0x330 [ 13.785549] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 13.785576] ? __schedule+0x10cc/0x2b60 [ 13.785602] ? __pfx_read_tsc+0x10/0x10 [ 13.785627] ? ktime_get_ts64+0x86/0x230 [ 13.785685] kunit_try_run_case+0x1a5/0x480 [ 13.785714] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.785739] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.785766] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.785792] ? __kthread_parkme+0x82/0x180 [ 13.785816] ? preempt_count_sub+0x50/0x80 [ 13.785843] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.785912] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.785939] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.785965] kthread+0x337/0x6f0 [ 13.785988] ? trace_preempt_on+0x20/0xc0 [ 13.786015] ? __pfx_kthread+0x10/0x10 [ 13.786039] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.786063] ? calculate_sigpending+0x7b/0xa0 [ 13.786090] ? __pfx_kthread+0x10/0x10 [ 13.786114] ret_from_fork+0x116/0x1d0 [ 13.786136] ? __pfx_kthread+0x10/0x10 [ 13.786159] ret_from_fork_asm+0x1a/0x30 [ 13.786194] </TASK> [ 13.786206] [ 13.799477] Allocated by task 195: [ 13.799806] kasan_save_stack+0x45/0x70 [ 13.800077] kasan_save_track+0x18/0x40 [ 13.800283] kasan_save_alloc_info+0x3b/0x50 [ 13.800533] __kasan_kmalloc+0xb7/0xc0 [ 13.800996] __kmalloc_cache_noprof+0x189/0x420 [ 13.801277] kmalloc_oob_memset_16+0xac/0x330 [ 13.801606] kunit_try_run_case+0x1a5/0x480 [ 13.801961] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.802414] kthread+0x337/0x6f0 [ 13.802631] ret_from_fork+0x116/0x1d0 [ 13.803056] ret_from_fork_asm+0x1a/0x30 [ 13.803258] [ 13.803510] The buggy address belongs to the object at ffff888103332100 [ 13.803510] which belongs to the cache kmalloc-128 of size 128 [ 13.804264] The buggy address is located 105 bytes inside of [ 13.804264] allocated 120-byte region [ffff888103332100, ffff888103332178) [ 13.804973] [ 13.805093] The buggy address belongs to the physical page: [ 13.805511] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103332 [ 13.806072] flags: 0x200000000000000(node=0|zone=2) [ 13.806406] page_type: f5(slab) [ 13.806619] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 13.807259] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 13.807706] page dumped because: kasan: bad access detected [ 13.808142] [ 13.808237] Memory state around the buggy address: [ 13.808472] ffff888103332000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.808887] ffff888103332080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.809296] >ffff888103332100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 13.809831] ^ [ 13.810173] ffff888103332180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.810514] ffff888103332200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.811048] ==================================================================