Date
June 2, 2025, 2:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.967455] ================================================================== [ 18.968141] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x154/0x2e8 [ 18.969427] Read of size 64 at addr fff00000c65a7e04 by task kunit_try_catch/172 [ 18.970512] [ 18.970726] CPU: 1 UID: 0 PID: 172 Comm: kunit_try_catch Tainted: G B N 6.14.10-rc1 #1 [ 18.970832] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.970864] Hardware name: linux,dummy-virt (DT) [ 18.970905] Call trace: [ 18.970933] show_stack+0x20/0x38 (C) [ 18.971171] dump_stack_lvl+0x8c/0xd0 [ 18.971354] print_report+0x118/0x608 [ 18.971422] kasan_report+0xdc/0x128 [ 18.971477] kasan_check_range+0x100/0x1a8 [ 18.971528] __asan_memmove+0x3c/0x98 [ 18.971577] kmalloc_memmove_invalid_size+0x154/0x2e8 [ 18.971634] kunit_try_run_case+0x170/0x3f0 [ 18.971688] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.971747] kthread+0x318/0x620 [ 18.971797] ret_from_fork+0x10/0x20 [ 18.971855] [ 18.975963] Allocated by task 172: [ 18.976321] kasan_save_stack+0x3c/0x68 [ 18.976640] kasan_save_track+0x20/0x40 [ 18.977055] kasan_save_alloc_info+0x40/0x58 [ 18.977494] __kasan_kmalloc+0xd4/0xd8 [ 18.977744] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.977984] kmalloc_memmove_invalid_size+0xb0/0x2e8 [ 18.978201] kunit_try_run_case+0x170/0x3f0 [ 18.979467] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.979786] kthread+0x318/0x620 [ 18.979953] ret_from_fork+0x10/0x20 [ 18.980427] [ 18.980696] The buggy address belongs to the object at fff00000c65a7e00 [ 18.980696] which belongs to the cache kmalloc-64 of size 64 [ 18.981390] The buggy address is located 4 bytes inside of [ 18.981390] allocated 64-byte region [fff00000c65a7e00, fff00000c65a7e40) [ 18.982928] [ 18.983143] The buggy address belongs to the physical page: [ 18.983657] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065a7 [ 18.984352] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.984905] page_type: f5(slab) [ 18.985611] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000 [ 18.986440] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 18.987460] page dumped because: kasan: bad access detected [ 18.988089] [ 18.988519] Memory state around the buggy address: [ 18.989088] fff00000c65a7d00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 18.989902] fff00000c65a7d80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 18.990671] >fff00000c65a7e00: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 18.991489] ^ [ 18.991886] fff00000c65a7e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.992563] fff00000c65a7f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.993089] ==================================================================
[ 12.909382] ================================================================== [ 12.909908] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x170/0x330 [ 12.910326] Read of size 64 at addr ffff888101bdcd84 by task kunit_try_catch/190 [ 12.910584] [ 12.910727] CPU: 1 UID: 0 PID: 190 Comm: kunit_try_catch Tainted: G B N 6.14.10-rc1 #1 [ 12.910775] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.910786] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.910805] Call Trace: [ 12.910827] <TASK> [ 12.910843] dump_stack_lvl+0x73/0xb0 [ 12.910867] print_report+0xd1/0x650 [ 12.910888] ? __virt_addr_valid+0x1db/0x2d0 [ 12.910911] ? kmalloc_memmove_invalid_size+0x170/0x330 [ 12.910934] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.910958] ? kmalloc_memmove_invalid_size+0x170/0x330 [ 12.910980] kasan_report+0x140/0x180 [ 12.911001] ? kmalloc_memmove_invalid_size+0x170/0x330 [ 12.911039] kasan_check_range+0x10c/0x1c0 [ 12.911061] __asan_memmove+0x27/0x70 [ 12.911083] kmalloc_memmove_invalid_size+0x170/0x330 [ 12.911106] ? __pfx_kmalloc_memmove_invalid_size+0x10/0x10 [ 12.911129] ? __schedule+0xce8/0x2840 [ 12.911152] ? __pfx_read_tsc+0x10/0x10 [ 12.911173] ? ktime_get_ts64+0x86/0x230 [ 12.911207] kunit_try_run_case+0x1a6/0x480 [ 12.911230] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.911250] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 12.911283] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.911307] ? __kthread_parkme+0x82/0x160 [ 12.911329] ? preempt_count_sub+0x50/0x80 [ 12.911352] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.911374] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.911408] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.911433] kthread+0x324/0x6e0 [ 12.911463] ? trace_preempt_on+0x20/0xc0 [ 12.911485] ? __pfx_kthread+0x10/0x10 [ 12.911507] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.911528] ? calculate_sigpending+0x7b/0xa0 [ 12.911549] ? __pfx_kthread+0x10/0x10 [ 12.911570] ret_from_fork+0x41/0x80 [ 12.911588] ? __pfx_kthread+0x10/0x10 [ 12.911609] ret_from_fork_asm+0x1a/0x30 [ 12.911639] </TASK> [ 12.911649] [ 12.919238] Allocated by task 190: [ 12.919393] kasan_save_stack+0x45/0x70 [ 12.919536] kasan_save_track+0x18/0x40 [ 12.919669] kasan_save_alloc_info+0x3b/0x50 [ 12.919959] __kasan_kmalloc+0xb7/0xc0 [ 12.920301] __kmalloc_cache_noprof+0x18a/0x420 [ 12.920525] kmalloc_memmove_invalid_size+0xad/0x330 [ 12.920942] kunit_try_run_case+0x1a6/0x480 [ 12.921217] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.921511] kthread+0x324/0x6e0 [ 12.921689] ret_from_fork+0x41/0x80 [ 12.921945] ret_from_fork_asm+0x1a/0x30 [ 12.922127] [ 12.922248] The buggy address belongs to the object at ffff888101bdcd80 [ 12.922248] which belongs to the cache kmalloc-64 of size 64 [ 12.922788] The buggy address is located 4 bytes inside of [ 12.922788] allocated 64-byte region [ffff888101bdcd80, ffff888101bdcdc0) [ 12.923256] [ 12.923352] The buggy address belongs to the physical page: [ 12.923607] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101bdc [ 12.923876] flags: 0x200000000000000(node=0|zone=2) [ 12.924053] page_type: f5(slab) [ 12.924176] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000 [ 12.924405] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 12.924757] page dumped because: kasan: bad access detected [ 12.925004] [ 12.925164] Memory state around the buggy address: [ 12.925588] ffff888101bdcc80: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 12.925840] ffff888101bdcd00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 12.926067] >ffff888101bdcd80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 12.926279] ^ [ 12.926467] ffff888101bdce00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.927509] ffff888101bdce80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.928098] ==================================================================