Date
May 13, 2025, 12:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.377319] ================================================================== [ 19.377451] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 19.377540] Write of size 16 at addr fff00000c4065669 by task kunit_try_catch/178 [ 19.377597] [ 19.377642] CPU: 1 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250513 #1 PREEMPT [ 19.377741] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.377771] Hardware name: linux,dummy-virt (DT) [ 19.377836] Call trace: [ 19.377878] show_stack+0x20/0x38 (C) [ 19.377938] dump_stack_lvl+0x8c/0xd0 [ 19.378007] print_report+0x118/0x608 [ 19.378089] kasan_report+0xdc/0x128 [ 19.378267] kasan_check_range+0x100/0x1a8 [ 19.378352] __asan_memset+0x34/0x78 [ 19.378412] kmalloc_oob_memset_16+0x150/0x2f8 [ 19.378570] kunit_try_run_case+0x170/0x3f0 [ 19.378667] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.378727] kthread+0x328/0x630 [ 19.378779] ret_from_fork+0x10/0x20 [ 19.378835] [ 19.378857] Allocated by task 178: [ 19.379035] kasan_save_stack+0x3c/0x68 [ 19.379086] kasan_save_track+0x20/0x40 [ 19.379128] kasan_save_alloc_info+0x40/0x58 [ 19.379173] __kasan_kmalloc+0xd4/0xd8 [ 19.379215] __kmalloc_cache_noprof+0x15c/0x3c0 [ 19.379259] kmalloc_oob_memset_16+0xb0/0x2f8 [ 19.379435] kunit_try_run_case+0x170/0x3f0 [ 19.379593] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.379756] kthread+0x328/0x630 [ 19.379811] ret_from_fork+0x10/0x20 [ 19.379854] [ 19.379900] The buggy address belongs to the object at fff00000c4065600 [ 19.379900] which belongs to the cache kmalloc-128 of size 128 [ 19.379966] The buggy address is located 105 bytes inside of [ 19.379966] allocated 120-byte region [fff00000c4065600, fff00000c4065678) [ 19.380045] [ 19.380209] The buggy address belongs to the physical page: [ 19.380277] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104065 [ 19.380339] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.380405] page_type: f5(slab) [ 19.380461] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.380516] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.380560] page dumped because: kasan: bad access detected [ 19.380594] [ 19.380614] Memory state around the buggy address: [ 19.380652] fff00000c4065500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.380699] fff00000c4065580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.380762] >fff00000c4065600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.380803] ^ [ 19.380848] fff00000c4065680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.380893] fff00000c4065700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.380947] ==================================================================
[ 11.260238] ================================================================== [ 11.260787] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 11.261391] Write of size 16 at addr ffff8881026a8969 by task kunit_try_catch/195 [ 11.262085] [ 11.262365] CPU: 1 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250513 #1 PREEMPT(voluntary) [ 11.262417] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.262430] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.262451] Call Trace: [ 11.262468] <TASK> [ 11.262485] dump_stack_lvl+0x73/0xb0 [ 11.262515] print_report+0xd1/0x650 [ 11.262537] ? __virt_addr_valid+0x1db/0x2d0 [ 11.262560] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.262581] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.262603] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.262636] kasan_report+0x141/0x180 [ 11.262659] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.262687] kasan_check_range+0x10c/0x1c0 [ 11.262710] __asan_memset+0x27/0x50 [ 11.262730] kmalloc_oob_memset_16+0x166/0x330 [ 11.262753] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 11.262776] ? __schedule+0x10cc/0x2b60 [ 11.262798] ? __pfx_read_tsc+0x10/0x10 [ 11.262818] ? ktime_get_ts64+0x86/0x230 [ 11.262842] kunit_try_run_case+0x1a5/0x480 [ 11.262865] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.262894] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.262915] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.262937] ? __kthread_parkme+0x82/0x180 [ 11.262957] ? preempt_count_sub+0x50/0x80 [ 11.262980] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.263003] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.263025] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.263047] kthread+0x337/0x6f0 [ 11.263067] ? trace_preempt_on+0x20/0xc0 [ 11.263090] ? __pfx_kthread+0x10/0x10 [ 11.263110] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.263130] ? calculate_sigpending+0x7b/0xa0 [ 11.263153] ? __pfx_kthread+0x10/0x10 [ 11.263175] ret_from_fork+0x116/0x1d0 [ 11.263192] ? __pfx_kthread+0x10/0x10 [ 11.263212] ret_from_fork_asm+0x1a/0x30 [ 11.263244] </TASK> [ 11.263254] [ 11.273946] Allocated by task 195: [ 11.274121] kasan_save_stack+0x45/0x70 [ 11.274546] kasan_save_track+0x18/0x40 [ 11.274918] kasan_save_alloc_info+0x3b/0x50 [ 11.275230] __kasan_kmalloc+0xb7/0xc0 [ 11.275530] __kmalloc_cache_noprof+0x189/0x420 [ 11.275774] kmalloc_oob_memset_16+0xac/0x330 [ 11.276162] kunit_try_run_case+0x1a5/0x480 [ 11.276514] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.276963] kthread+0x337/0x6f0 [ 11.277125] ret_from_fork+0x116/0x1d0 [ 11.277466] ret_from_fork_asm+0x1a/0x30 [ 11.277738] [ 11.278041] The buggy address belongs to the object at ffff8881026a8900 [ 11.278041] which belongs to the cache kmalloc-128 of size 128 [ 11.278880] The buggy address is located 105 bytes inside of [ 11.278880] allocated 120-byte region [ffff8881026a8900, ffff8881026a8978) [ 11.279493] [ 11.279704] The buggy address belongs to the physical page: [ 11.280059] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1026a8 [ 11.280481] flags: 0x200000000000000(node=0|zone=2) [ 11.280983] page_type: f5(slab) [ 11.281244] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.281815] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.282275] page dumped because: kasan: bad access detected [ 11.282639] [ 11.282739] Memory state around the buggy address: [ 11.282947] ffff8881026a8800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.283500] ffff8881026a8880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.284088] >ffff8881026a8900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.284491] ^ [ 11.285138] ffff8881026a8980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.285649] ffff8881026a8a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.285975] ==================================================================