Date
April 20, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 | |
| rk3399-rock-pi-4b |
[ 23.393564] ================================================================== [ 23.393701] BUG: KASAN: out-of-bounds in kmalloc_memmove_negative_size+0x154/0x2e0 [ 23.393813] Read of size 18446744073709551614 at addr fff00000c6819a84 by task kunit_try_catch/182 [ 23.393998] [ 23.394066] CPU: 0 UID: 0 PID: 182 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc3 #1 PREEMPT [ 23.394260] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.394455] Hardware name: linux,dummy-virt (DT) [ 23.394531] Call trace: [ 23.394581] show_stack+0x20/0x38 (C) [ 23.394695] dump_stack_lvl+0x8c/0xd0 [ 23.394816] print_report+0x118/0x608 [ 23.395033] kasan_report+0xdc/0x128 [ 23.395242] kasan_check_range+0x100/0x1a8 [ 23.395995] __asan_memmove+0x3c/0x98 [ 23.396204] kmalloc_memmove_negative_size+0x154/0x2e0 [ 23.396746] kunit_try_run_case+0x170/0x3f0 [ 23.397132] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.397307] kthread+0x328/0x630 [ 23.397644] ret_from_fork+0x10/0x20 [ 23.398031] [ 23.398094] Allocated by task 182: [ 23.398506] kasan_save_stack+0x3c/0x68 [ 23.398667] kasan_save_track+0x20/0x40 [ 23.399058] kasan_save_alloc_info+0x40/0x58 [ 23.399637] __kasan_kmalloc+0xd4/0xd8 [ 23.399762] __kmalloc_cache_noprof+0x15c/0x3c0 [ 23.399876] kmalloc_memmove_negative_size+0xb0/0x2e0 [ 23.401074] kunit_try_run_case+0x170/0x3f0 [ 23.402409] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.402804] kthread+0x328/0x630 [ 23.402896] ret_from_fork+0x10/0x20 [ 23.403001] [ 23.403624] The buggy address belongs to the object at fff00000c6819a80 [ 23.403624] which belongs to the cache kmalloc-64 of size 64 [ 23.404348] The buggy address is located 4 bytes inside of [ 23.404348] 64-byte region [fff00000c6819a80, fff00000c6819ac0) [ 23.404845] [ 23.404895] The buggy address belongs to the physical page: [ 23.405506] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106819 [ 23.405663] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 23.405882] page_type: f5(slab) [ 23.406252] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000 [ 23.406375] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 23.406469] page dumped because: kasan: bad access detected [ 23.406970] [ 23.407031] Memory state around the buggy address: [ 23.407339] fff00000c6819980: 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc fc [ 23.407693] fff00000c6819a00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 23.407969] >fff00000c6819a80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 23.408568] ^ [ 23.408654] fff00000c6819b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.408807] fff00000c6819b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.408916] ==================================================================
[ 11.673877] ================================================================== [ 11.675046] BUG: KASAN: out-of-bounds in kmalloc_memmove_negative_size+0x171/0x330 [ 11.675502] Read of size 18446744073709551614 at addr ffff888102b3f204 by task kunit_try_catch/200 [ 11.675878] [ 11.676458] CPU: 1 UID: 0 PID: 200 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc3 #1 PREEMPT(voluntary) [ 11.676505] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.676517] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.676537] Call Trace: [ 11.676548] <TASK> [ 11.676563] dump_stack_lvl+0x73/0xb0 [ 11.676589] print_report+0xd1/0x650 [ 11.676611] ? __virt_addr_valid+0x1db/0x2d0 [ 11.676633] ? kmalloc_memmove_negative_size+0x171/0x330 [ 11.676657] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.676679] ? kmalloc_memmove_negative_size+0x171/0x330 [ 11.676724] kasan_report+0x141/0x180 [ 11.676747] ? kmalloc_memmove_negative_size+0x171/0x330 [ 11.676777] kasan_check_range+0x10c/0x1c0 [ 11.676801] __asan_memmove+0x27/0x70 [ 11.676821] kmalloc_memmove_negative_size+0x171/0x330 [ 11.676845] ? __pfx_kmalloc_memmove_negative_size+0x10/0x10 [ 11.676871] ? __schedule+0x10cc/0x2b30 [ 11.676894] ? __pfx_read_tsc+0x10/0x10 [ 11.676914] ? ktime_get_ts64+0x86/0x230 [ 11.676938] kunit_try_run_case+0x1a5/0x480 [ 11.676961] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.676982] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.677004] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.677028] ? __kthread_parkme+0x82/0x180 [ 11.677049] ? preempt_count_sub+0x50/0x80 [ 11.677073] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.677096] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.677117] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.677200] kthread+0x337/0x6f0 [ 11.677221] ? trace_preempt_on+0x20/0xc0 [ 11.677245] ? __pfx_kthread+0x10/0x10 [ 11.677267] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.677289] ? calculate_sigpending+0x7b/0xa0 [ 11.677310] ? __pfx_kthread+0x10/0x10 [ 11.677344] ret_from_fork+0x41/0x80 [ 11.677365] ? __pfx_kthread+0x10/0x10 [ 11.677420] ret_from_fork_asm+0x1a/0x30 [ 11.677454] </TASK> [ 11.677465] [ 11.687344] Allocated by task 200: [ 11.687808] kasan_save_stack+0x45/0x70 [ 11.688007] kasan_save_track+0x18/0x40 [ 11.688247] kasan_save_alloc_info+0x3b/0x50 [ 11.688627] __kasan_kmalloc+0xb7/0xc0 [ 11.688788] __kmalloc_cache_noprof+0x189/0x420 [ 11.689001] kmalloc_memmove_negative_size+0xac/0x330 [ 11.689447] kunit_try_run_case+0x1a5/0x480 [ 11.689646] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.689881] kthread+0x337/0x6f0 [ 11.690158] ret_from_fork+0x41/0x80 [ 11.690333] ret_from_fork_asm+0x1a/0x30 [ 11.690610] [ 11.690699] The buggy address belongs to the object at ffff888102b3f200 [ 11.690699] which belongs to the cache kmalloc-64 of size 64 [ 11.691230] The buggy address is located 4 bytes inside of [ 11.691230] 64-byte region [ffff888102b3f200, ffff888102b3f240) [ 11.691863] [ 11.691979] The buggy address belongs to the physical page: [ 11.692352] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b3f [ 11.692760] flags: 0x200000000000000(node=0|zone=2) [ 11.692977] page_type: f5(slab) [ 11.693438] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000 [ 11.693737] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 11.694145] page dumped because: kasan: bad access detected [ 11.694378] [ 11.694508] Memory state around the buggy address: [ 11.695098] ffff888102b3f100: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 11.695492] ffff888102b3f180: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 11.695761] >ffff888102b3f200: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 11.696035] ^ [ 11.696214] ffff888102b3f280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.696475] ffff888102b3f300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.696807] ==================================================================
[ 21.580514] ================================================================== [ 21.581582] BUG: KASAN: out-of-bounds in kmalloc_memmove_negative_size+0x154/0x2e0 [ 21.582295] Read of size 18446744073709551614 at addr ffff00000fdabc04 by task kunit_try_catch/234 [ 21.583127] [ 21.583292] CPU: 3 UID: 0 PID: 234 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc3 #1 PREEMPT [ 21.583344] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.583359] Hardware name: Radxa ROCK Pi 4B (DT) [ 21.583377] Call trace: [ 21.583388] show_stack+0x20/0x38 (C) [ 21.583423] dump_stack_lvl+0x8c/0xd0 [ 21.583454] print_report+0x118/0x608 [ 21.583485] kasan_report+0xdc/0x128 [ 21.583513] kasan_check_range+0x100/0x1a8 [ 21.583544] __asan_memmove+0x3c/0x98 [ 21.583575] kmalloc_memmove_negative_size+0x154/0x2e0 [ 21.583613] kunit_try_run_case+0x170/0x3f0 [ 21.583648] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.583688] kthread+0x328/0x630 [ 21.583723] ret_from_fork+0x10/0x20 [ 21.583756] [ 21.589691] Allocated by task 234: [ 21.590018] kasan_save_stack+0x3c/0x68 [ 21.590393] kasan_save_track+0x20/0x40 [ 21.590765] kasan_save_alloc_info+0x40/0x58 [ 21.591179] __kasan_kmalloc+0xd4/0xd8 [ 21.591543] __kmalloc_cache_noprof+0x15c/0x3c0 [ 21.591984] kmalloc_memmove_negative_size+0xb0/0x2e0 [ 21.592471] kunit_try_run_case+0x170/0x3f0 [ 21.592878] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.593404] kthread+0x328/0x630 [ 21.593727] ret_from_fork+0x10/0x20 [ 21.594078] [ 21.594230] The buggy address belongs to the object at ffff00000fdabc00 [ 21.594230] which belongs to the cache kmalloc-64 of size 64 [ 21.595348] The buggy address is located 4 bytes inside of [ 21.595348] 64-byte region [ffff00000fdabc00, ffff00000fdabc40) [ 21.596392] [ 21.596546] The buggy address belongs to the physical page: [ 21.597062] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xfdab [ 21.597787] flags: 0x3fffe0000000000(node=0|zone=0|lastcpupid=0x1ffff) [ 21.598399] page_type: f5(slab) [ 21.598713] raw: 03fffe0000000000 ffff0000004028c0 dead000000000122 0000000000000000 [ 21.599429] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 21.600138] page dumped because: kasan: bad access detected [ 21.600652] [ 21.600805] Memory state around the buggy address: [ 21.601253] ffff00000fdabb00: 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc fc [ 21.601920] ffff00000fdabb80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 21.602586] >ffff00000fdabc00: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 21.603247] ^ [ 21.603558] ffff00000fdabc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.604224] ffff00000fdabd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.604887] ==================================================================