Date
May 29, 2025, 7:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.843607] ================================================================== [ 21.843914] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x154/0x2e0 [ 21.844154] Read of size 64 at addr fff00000c5e38704 by task kunit_try_catch/182 [ 21.844272] [ 21.844413] CPU: 1 UID: 0 PID: 182 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT [ 21.844728] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.844817] Hardware name: linux,dummy-virt (DT) [ 21.844929] Call trace: [ 21.844997] show_stack+0x20/0x38 (C) [ 21.845140] dump_stack_lvl+0x8c/0xd0 [ 21.845316] print_report+0x118/0x608 [ 21.845484] kasan_report+0xdc/0x128 [ 21.845594] kasan_check_range+0x100/0x1a8 [ 21.845922] __asan_memmove+0x3c/0x98 [ 21.846122] kmalloc_memmove_invalid_size+0x154/0x2e0 [ 21.846481] kunit_try_run_case+0x170/0x3f0 [ 21.846658] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.846860] kthread+0x328/0x630 [ 21.847077] ret_from_fork+0x10/0x20 [ 21.847445] [ 21.847516] Allocated by task 182: [ 21.847602] kasan_save_stack+0x3c/0x68 [ 21.847729] kasan_save_track+0x20/0x40 [ 21.847834] kasan_save_alloc_info+0x40/0x58 [ 21.847929] __kasan_kmalloc+0xd4/0xd8 [ 21.848021] __kmalloc_cache_noprof+0x15c/0x3c0 [ 21.848194] kmalloc_memmove_invalid_size+0xb0/0x2e0 [ 21.848423] kunit_try_run_case+0x170/0x3f0 [ 21.848787] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.848989] kthread+0x328/0x630 [ 21.849091] ret_from_fork+0x10/0x20 [ 21.849532] [ 21.849672] The buggy address belongs to the object at fff00000c5e38700 [ 21.849672] which belongs to the cache kmalloc-64 of size 64 [ 21.849886] The buggy address is located 4 bytes inside of [ 21.849886] allocated 64-byte region [fff00000c5e38700, fff00000c5e38740) [ 21.850056] [ 21.850305] The buggy address belongs to the physical page: [ 21.850443] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105e38 [ 21.850570] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.850677] page_type: f5(slab) [ 21.850763] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000 [ 21.850876] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 21.850954] page dumped because: kasan: bad access detected [ 21.851026] [ 21.851068] Memory state around the buggy address: [ 21.851445] fff00000c5e38600: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 21.851644] fff00000c5e38680: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 21.851776] >fff00000c5e38700: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 21.852178] ^ [ 21.852335] fff00000c5e38780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.852449] fff00000c5e38800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.852658] ==================================================================
[ 11.079105] ================================================================== [ 11.079693] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x16f/0x330 [ 11.080309] Read of size 64 at addr ffff8881028a0584 by task kunit_try_catch/199 [ 11.080985] [ 11.081109] CPU: 1 UID: 0 PID: 199 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT(voluntary) [ 11.081157] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.081183] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.081203] Call Trace: [ 11.081215] <TASK> [ 11.081229] dump_stack_lvl+0x73/0xb0 [ 11.081257] print_report+0xd1/0x650 [ 11.081280] ? __virt_addr_valid+0x1db/0x2d0 [ 11.081302] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 11.081326] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.081348] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 11.081381] kasan_report+0x141/0x180 [ 11.081403] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 11.081432] kasan_check_range+0x10c/0x1c0 [ 11.081455] __asan_memmove+0x27/0x70 [ 11.081475] kmalloc_memmove_invalid_size+0x16f/0x330 [ 11.081499] ? __pfx_kmalloc_memmove_invalid_size+0x10/0x10 [ 11.081535] ? __pfx_kmalloc_memmove_invalid_size+0x10/0x10 [ 11.081564] kunit_try_run_case+0x1a5/0x480 [ 11.081584] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.081604] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.081642] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.081666] ? __kthread_parkme+0x82/0x180 [ 11.081686] ? preempt_count_sub+0x50/0x80 [ 11.081709] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.081729] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.081812] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.081840] kthread+0x337/0x6f0 [ 11.081859] ? trace_preempt_on+0x20/0xc0 [ 11.081882] ? __pfx_kthread+0x10/0x10 [ 11.081903] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.081925] ? calculate_sigpending+0x7b/0xa0 [ 11.081948] ? __pfx_kthread+0x10/0x10 [ 11.081969] ret_from_fork+0x116/0x1d0 [ 11.081988] ? __pfx_kthread+0x10/0x10 [ 11.082008] ret_from_fork_asm+0x1a/0x30 [ 11.082038] </TASK> [ 11.082047] [ 11.089501] Allocated by task 199: [ 11.089652] kasan_save_stack+0x45/0x70 [ 11.090004] kasan_save_track+0x18/0x40 [ 11.090207] kasan_save_alloc_info+0x3b/0x50 [ 11.090418] __kasan_kmalloc+0xb7/0xc0 [ 11.090633] __kmalloc_cache_noprof+0x189/0x420 [ 11.090938] kmalloc_memmove_invalid_size+0xac/0x330 [ 11.091184] kunit_try_run_case+0x1a5/0x480 [ 11.091335] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.091593] kthread+0x337/0x6f0 [ 11.091792] ret_from_fork+0x116/0x1d0 [ 11.091982] ret_from_fork_asm+0x1a/0x30 [ 11.092175] [ 11.092259] The buggy address belongs to the object at ffff8881028a0580 [ 11.092259] which belongs to the cache kmalloc-64 of size 64 [ 11.092718] The buggy address is located 4 bytes inside of [ 11.092718] allocated 64-byte region [ffff8881028a0580, ffff8881028a05c0) [ 11.093302] [ 11.093400] The buggy address belongs to the physical page: [ 11.093906] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1028a0 [ 11.094233] flags: 0x200000000000000(node=0|zone=2) [ 11.094454] page_type: f5(slab) [ 11.094624] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000 [ 11.095032] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 11.095385] page dumped because: kasan: bad access detected [ 11.095566] [ 11.096274] Memory state around the buggy address: [ 11.096691] ffff8881028a0480: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 11.097736] ffff8881028a0500: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 11.098067] >ffff8881028a0580: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 11.098416] ^ [ 11.098670] ffff8881028a0600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.099221] ffff8881028a0680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.099472] ==================================================================