Date
July 9, 2025, 1:08 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 29.414584] ================================================================== [ 29.414643] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 29.414696] Write of size 16 at addr fff00000c5998069 by task kunit_try_catch/210 [ 29.414743] [ 29.414774] CPU: 0 UID: 0 PID: 210 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250709 #1 PREEMPT [ 29.414857] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.414882] Hardware name: linux,dummy-virt (DT) [ 29.414912] Call trace: [ 29.414935] show_stack+0x20/0x38 (C) [ 29.414981] dump_stack_lvl+0x8c/0xd0 [ 29.415026] print_report+0x118/0x5d0 [ 29.415270] kasan_report+0xdc/0x128 [ 29.415339] kasan_check_range+0x100/0x1a8 [ 29.415388] __asan_memset+0x34/0x78 [ 29.415430] kmalloc_oob_memset_16+0x150/0x2f8 [ 29.415483] kunit_try_run_case+0x170/0x3f0 [ 29.415569] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.415656] kthread+0x328/0x630 [ 29.415774] ret_from_fork+0x10/0x20 [ 29.415833] [ 29.415903] Allocated by task 210: [ 29.415931] kasan_save_stack+0x3c/0x68 [ 29.415972] kasan_save_track+0x20/0x40 [ 29.416009] kasan_save_alloc_info+0x40/0x58 [ 29.416045] __kasan_kmalloc+0xd4/0xd8 [ 29.416093] __kmalloc_cache_noprof+0x16c/0x3c0 [ 29.416254] kmalloc_oob_memset_16+0xb0/0x2f8 [ 29.416296] kunit_try_run_case+0x170/0x3f0 [ 29.416380] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.416458] kthread+0x328/0x630 [ 29.416590] ret_from_fork+0x10/0x20 [ 29.416626] [ 29.416657] The buggy address belongs to the object at fff00000c5998000 [ 29.416657] which belongs to the cache kmalloc-128 of size 128 [ 29.416929] The buggy address is located 105 bytes inside of [ 29.416929] allocated 120-byte region [fff00000c5998000, fff00000c5998078) [ 29.417107] [ 29.417131] The buggy address belongs to the physical page: [ 29.417177] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105998 [ 29.417236] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 29.417336] page_type: f5(slab) [ 29.417434] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 29.417482] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 29.417522] page dumped because: kasan: bad access detected [ 29.417551] [ 29.417569] Memory state around the buggy address: [ 29.417599] fff00000c5997f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.417825] fff00000c5997f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.417921] >fff00000c5998000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 29.417957] ^ [ 29.418017] fff00000c5998080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.418100] fff00000c5998100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.418208] ==================================================================
[ 24.258780] ================================================================== [ 24.259274] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 24.259850] Write of size 16 at addr ffff8881058c1769 by task kunit_try_catch/228 [ 24.260219] [ 24.260344] CPU: 0 UID: 0 PID: 228 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc5-next-20250709 #1 PREEMPT(voluntary) [ 24.260399] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 24.260423] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.260446] Call Trace: [ 24.260459] <TASK> [ 24.260479] dump_stack_lvl+0x73/0xb0 [ 24.260514] print_report+0xd1/0x610 [ 24.260538] ? __virt_addr_valid+0x1db/0x2d0 [ 24.260573] ? kmalloc_oob_memset_16+0x166/0x330 [ 24.260596] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.260621] ? kmalloc_oob_memset_16+0x166/0x330 [ 24.260653] kasan_report+0x141/0x180 [ 24.260675] ? kmalloc_oob_memset_16+0x166/0x330 [ 24.260711] kasan_check_range+0x10c/0x1c0 [ 24.260735] __asan_memset+0x27/0x50 [ 24.260758] kmalloc_oob_memset_16+0x166/0x330 [ 24.260790] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 24.260812] ? __schedule+0x10cc/0x2b60 [ 24.260846] ? __pfx_read_tsc+0x10/0x10 [ 24.260869] ? ktime_get_ts64+0x86/0x230 [ 24.260905] kunit_try_run_case+0x1a5/0x480 [ 24.260940] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.260960] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.260983] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.261006] ? __kthread_parkme+0x82/0x180 [ 24.261027] ? preempt_count_sub+0x50/0x80 [ 24.261050] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.261071] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.261142] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.261182] kthread+0x337/0x6f0 [ 24.261204] ? trace_preempt_on+0x20/0xc0 [ 24.261228] ? __pfx_kthread+0x10/0x10 [ 24.261249] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.261271] ? calculate_sigpending+0x7b/0xa0 [ 24.261295] ? __pfx_kthread+0x10/0x10 [ 24.261317] ret_from_fork+0x116/0x1d0 [ 24.261336] ? __pfx_kthread+0x10/0x10 [ 24.261356] ret_from_fork_asm+0x1a/0x30 [ 24.261387] </TASK> [ 24.261400] [ 24.269300] Allocated by task 228: [ 24.269477] kasan_save_stack+0x45/0x70 [ 24.269680] kasan_save_track+0x18/0x40 [ 24.269963] kasan_save_alloc_info+0x3b/0x50 [ 24.270113] __kasan_kmalloc+0xb7/0xc0 [ 24.270237] __kmalloc_cache_noprof+0x189/0x420 [ 24.270445] kmalloc_oob_memset_16+0xac/0x330 [ 24.270711] kunit_try_run_case+0x1a5/0x480 [ 24.270996] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.271166] kthread+0x337/0x6f0 [ 24.271450] ret_from_fork+0x116/0x1d0 [ 24.271849] ret_from_fork_asm+0x1a/0x30 [ 24.272312] [ 24.272390] The buggy address belongs to the object at ffff8881058c1700 [ 24.272390] which belongs to the cache kmalloc-128 of size 128 [ 24.272769] The buggy address is located 105 bytes inside of [ 24.272769] allocated 120-byte region [ffff8881058c1700, ffff8881058c1778) [ 24.273293] [ 24.273405] The buggy address belongs to the physical page: [ 24.273573] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1058c1 [ 24.273820] flags: 0x200000000000000(node=0|zone=2) [ 24.274096] page_type: f5(slab) [ 24.274272] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 24.274644] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 24.275085] page dumped because: kasan: bad access detected [ 24.275373] [ 24.275471] Memory state around the buggy address: [ 24.275691] ffff8881058c1600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 24.276157] ffff8881058c1680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.276375] >ffff8881058c1700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 24.276678] ^ [ 24.277193] ffff8881058c1780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.277493] ffff8881058c1800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.277713] ==================================================================