Date
July 11, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.777680] ================================================================== [ 16.777807] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x154/0x2e0 [ 16.777880] Read of size 64 at addr fff00000c6f45e04 by task kunit_try_catch/183 [ 16.777929] [ 16.777968] CPU: 0 UID: 0 PID: 183 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 16.778060] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.778195] Hardware name: linux,dummy-virt (DT) [ 16.778281] Call trace: [ 16.778307] show_stack+0x20/0x38 (C) [ 16.778533] dump_stack_lvl+0x8c/0xd0 [ 16.778736] print_report+0x118/0x608 [ 16.778785] kasan_report+0xdc/0x128 [ 16.778835] kasan_check_range+0x100/0x1a8 [ 16.779153] __asan_memmove+0x3c/0x98 [ 16.779215] kmalloc_memmove_invalid_size+0x154/0x2e0 [ 16.779497] kunit_try_run_case+0x170/0x3f0 [ 16.779548] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.779620] kthread+0x328/0x630 [ 16.779962] ret_from_fork+0x10/0x20 [ 16.780123] [ 16.780143] Allocated by task 183: [ 16.780290] kasan_save_stack+0x3c/0x68 [ 16.780421] kasan_save_track+0x20/0x40 [ 16.780458] kasan_save_alloc_info+0x40/0x58 [ 16.780704] __kasan_kmalloc+0xd4/0xd8 [ 16.780892] __kmalloc_cache_noprof+0x16c/0x3c0 [ 16.780935] kmalloc_memmove_invalid_size+0xb0/0x2e0 [ 16.780976] kunit_try_run_case+0x170/0x3f0 [ 16.781013] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.781056] kthread+0x328/0x630 [ 16.781089] ret_from_fork+0x10/0x20 [ 16.781126] [ 16.781146] The buggy address belongs to the object at fff00000c6f45e00 [ 16.781146] which belongs to the cache kmalloc-64 of size 64 [ 16.781213] The buggy address is located 4 bytes inside of [ 16.781213] allocated 64-byte region [fff00000c6f45e00, fff00000c6f45e40) [ 16.781273] [ 16.781853] The buggy address belongs to the physical page: [ 16.781954] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106f45 [ 16.782026] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.782077] page_type: f5(slab) [ 16.782268] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000 [ 16.782483] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 16.782889] page dumped because: kasan: bad access detected [ 16.782928] [ 16.782945] Memory state around the buggy address: [ 16.782979] fff00000c6f45d00: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 16.783078] fff00000c6f45d80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 16.783126] >fff00000c6f45e00: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 16.783406] ^ [ 16.783455] fff00000c6f45e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.783558] fff00000c6f45f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.783597] ==================================================================
[ 12.571347] ================================================================== [ 12.571842] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x16f/0x330 [ 12.572170] Read of size 64 at addr ffff8881029fe704 by task kunit_try_catch/199 [ 12.572550] [ 12.572670] CPU: 1 UID: 0 PID: 199 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.572712] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.572724] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.572743] Call Trace: [ 12.572766] <TASK> [ 12.572782] dump_stack_lvl+0x73/0xb0 [ 12.572812] print_report+0xd1/0x650 [ 12.572834] ? __virt_addr_valid+0x1db/0x2d0 [ 12.572857] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 12.572881] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.572904] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 12.572940] kasan_report+0x141/0x180 [ 12.572962] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 12.572992] kasan_check_range+0x10c/0x1c0 [ 12.573058] __asan_memmove+0x27/0x70 [ 12.573080] kmalloc_memmove_invalid_size+0x16f/0x330 [ 12.573105] ? __pfx_kmalloc_memmove_invalid_size+0x10/0x10 [ 12.573132] ? __schedule+0x10cc/0x2b60 [ 12.573154] ? __pfx_read_tsc+0x10/0x10 [ 12.573175] ? ktime_get_ts64+0x86/0x230 [ 12.573200] kunit_try_run_case+0x1a5/0x480 [ 12.573224] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.573247] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.573270] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.573293] ? __kthread_parkme+0x82/0x180 [ 12.573313] ? preempt_count_sub+0x50/0x80 [ 12.573338] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.573362] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.573386] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.573411] kthread+0x337/0x6f0 [ 12.573429] ? trace_preempt_on+0x20/0xc0 [ 12.573452] ? __pfx_kthread+0x10/0x10 [ 12.573472] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.573493] ? calculate_sigpending+0x7b/0xa0 [ 12.573517] ? __pfx_kthread+0x10/0x10 [ 12.573538] ret_from_fork+0x116/0x1d0 [ 12.573556] ? __pfx_kthread+0x10/0x10 [ 12.573575] ret_from_fork_asm+0x1a/0x30 [ 12.573607] </TASK> [ 12.573616] [ 12.582261] Allocated by task 199: [ 12.582493] kasan_save_stack+0x45/0x70 [ 12.582701] kasan_save_track+0x18/0x40 [ 12.582977] kasan_save_alloc_info+0x3b/0x50 [ 12.583129] __kasan_kmalloc+0xb7/0xc0 [ 12.583313] __kmalloc_cache_noprof+0x189/0x420 [ 12.583553] kmalloc_memmove_invalid_size+0xac/0x330 [ 12.584108] kunit_try_run_case+0x1a5/0x480 [ 12.584297] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.584549] kthread+0x337/0x6f0 [ 12.584706] ret_from_fork+0x116/0x1d0 [ 12.584904] ret_from_fork_asm+0x1a/0x30 [ 12.585178] [ 12.585251] The buggy address belongs to the object at ffff8881029fe700 [ 12.585251] which belongs to the cache kmalloc-64 of size 64 [ 12.585699] The buggy address is located 4 bytes inside of [ 12.585699] allocated 64-byte region [ffff8881029fe700, ffff8881029fe740) [ 12.586109] [ 12.586330] The buggy address belongs to the physical page: [ 12.586596] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029fe [ 12.586945] flags: 0x200000000000000(node=0|zone=2) [ 12.587182] page_type: f5(slab) [ 12.587400] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000 [ 12.587709] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 12.588049] page dumped because: kasan: bad access detected [ 12.588307] [ 12.588401] Memory state around the buggy address: [ 12.588554] ffff8881029fe600: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 12.588793] ffff8881029fe680: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 12.589139] >ffff8881029fe700: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 12.589453] ^ [ 12.589644] ffff8881029fe780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.590011] ffff8881029fe800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.590487] ==================================================================