Date
July 16, 2025, 12:11 p.m.
Environment | |
---|---|
qemu-arm64 | |
qemu-x86_64 |
[ 30.606915] ================================================================== [ 30.606972] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 30.607033] Write of size 128 at addr fff00000c6361900 by task kunit_try_catch/201 [ 30.607084] [ 30.607114] CPU: 0 UID: 0 PID: 201 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250716 #1 PREEMPT [ 30.607198] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.607224] Hardware name: linux,dummy-virt (DT) [ 30.607265] Call trace: [ 30.607288] show_stack+0x20/0x38 (C) [ 30.607335] dump_stack_lvl+0x8c/0xd0 [ 30.607380] print_report+0x118/0x5d0 [ 30.607423] kasan_report+0xdc/0x128 [ 30.607464] kasan_check_range+0x100/0x1a8 [ 30.607522] __asan_memset+0x34/0x78 [ 30.607567] kmalloc_oob_in_memset+0x144/0x2d0 [ 30.607614] kunit_try_run_case+0x170/0x3f0 [ 30.607660] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.607710] kthread+0x328/0x630 [ 30.607750] ret_from_fork+0x10/0x20 [ 30.608608] [ 30.608765] Allocated by task 201: [ 30.608797] kasan_save_stack+0x3c/0x68 [ 30.608859] kasan_save_track+0x20/0x40 [ 30.608894] kasan_save_alloc_info+0x40/0x58 [ 30.608931] __kasan_kmalloc+0xd4/0xd8 [ 30.609516] __kmalloc_cache_noprof+0x16c/0x3c0 [ 30.609601] kmalloc_oob_in_memset+0xb0/0x2d0 [ 30.609757] kunit_try_run_case+0x170/0x3f0 [ 30.609863] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.610133] kthread+0x328/0x630 [ 30.610310] ret_from_fork+0x10/0x20 [ 30.610579] [ 30.610693] The buggy address belongs to the object at fff00000c6361900 [ 30.610693] which belongs to the cache kmalloc-128 of size 128 [ 30.611146] The buggy address is located 0 bytes inside of [ 30.611146] allocated 120-byte region [fff00000c6361900, fff00000c6361978) [ 30.611441] [ 30.611523] The buggy address belongs to the physical page: [ 30.611588] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106361 [ 30.611869] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 30.612308] page_type: f5(slab) [ 30.612395] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 30.612599] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 30.612670] page dumped because: kasan: bad access detected [ 30.612882] [ 30.613047] Memory state around the buggy address: [ 30.613190] fff00000c6361800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.613313] fff00000c6361880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.613485] >fff00000c6361900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 30.613535] ^ [ 30.613714] fff00000c6361980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.613940] fff00000c6361a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.614056] ==================================================================
[ 23.321576] ================================================================== [ 23.322196] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 23.322541] Write of size 128 at addr ffff88810539f800 by task kunit_try_catch/219 [ 23.322989] [ 23.323097] CPU: 0 UID: 0 PID: 219 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250716 #1 PREEMPT(voluntary) [ 23.323146] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.323158] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.323179] Call Trace: [ 23.323191] <TASK> [ 23.323208] dump_stack_lvl+0x73/0xb0 [ 23.323237] print_report+0xd1/0x610 [ 23.323259] ? __virt_addr_valid+0x1db/0x2d0 [ 23.323296] ? kmalloc_oob_in_memset+0x15f/0x320 [ 23.323396] ? kasan_complete_mode_report_info+0x2a/0x200 [ 23.323423] ? kmalloc_oob_in_memset+0x15f/0x320 [ 23.323444] kasan_report+0x141/0x180 [ 23.323466] ? kmalloc_oob_in_memset+0x15f/0x320 [ 23.323491] kasan_check_range+0x10c/0x1c0 [ 23.323514] __asan_memset+0x27/0x50 [ 23.323536] kmalloc_oob_in_memset+0x15f/0x320 [ 23.323558] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 23.323579] ? __schedule+0x10c6/0x2b60 [ 23.323611] ? __pfx_read_tsc+0x10/0x10 [ 23.323634] ? ktime_get_ts64+0x86/0x230 [ 23.323659] kunit_try_run_case+0x1a5/0x480 [ 23.323684] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.323705] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 23.323727] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 23.323749] ? __kthread_parkme+0x82/0x180 [ 23.323770] ? preempt_count_sub+0x50/0x80 [ 23.323792] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.323815] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.323840] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 23.323866] kthread+0x337/0x6f0 [ 23.323892] ? trace_preempt_on+0x20/0xc0 [ 23.323915] ? __pfx_kthread+0x10/0x10 [ 23.323935] ? _raw_spin_unlock_irq+0x47/0x80 [ 23.323955] ? calculate_sigpending+0x7b/0xa0 [ 23.323978] ? __pfx_kthread+0x10/0x10 [ 23.323998] ret_from_fork+0x116/0x1d0 [ 23.324017] ? __pfx_kthread+0x10/0x10 [ 23.324037] ret_from_fork_asm+0x1a/0x30 [ 23.324068] </TASK> [ 23.324078] [ 23.331546] Allocated by task 219: [ 23.331762] kasan_save_stack+0x45/0x70 [ 23.332064] kasan_save_track+0x18/0x40 [ 23.332245] kasan_save_alloc_info+0x3b/0x50 [ 23.332519] __kasan_kmalloc+0xb7/0xc0 [ 23.332703] __kmalloc_cache_noprof+0x189/0x420 [ 23.332855] kmalloc_oob_in_memset+0xac/0x320 [ 23.333112] kunit_try_run_case+0x1a5/0x480 [ 23.333331] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.333563] kthread+0x337/0x6f0 [ 23.333739] ret_from_fork+0x116/0x1d0 [ 23.334034] ret_from_fork_asm+0x1a/0x30 [ 23.334218] [ 23.334299] The buggy address belongs to the object at ffff88810539f800 [ 23.334299] which belongs to the cache kmalloc-128 of size 128 [ 23.334648] The buggy address is located 0 bytes inside of [ 23.334648] allocated 120-byte region [ffff88810539f800, ffff88810539f878) [ 23.335165] [ 23.335259] The buggy address belongs to the physical page: [ 23.335518] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10539f [ 23.335780] flags: 0x200000000000000(node=0|zone=2) [ 23.335936] page_type: f5(slab) [ 23.336051] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 23.336887] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 23.337216] page dumped because: kasan: bad access detected [ 23.337395] [ 23.337458] Memory state around the buggy address: [ 23.337822] ffff88810539f700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 23.338431] ffff88810539f780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.338900] >ffff88810539f800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 23.339111] ^ [ 23.339414] ffff88810539f880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.339901] ffff88810539f900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.340169] ==================================================================