Date
July 14, 2025, 10:38 a.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 44.363605] ================================================================== [ 44.373289] BUG: KASAN: out-of-bounds in kmalloc_memmove_negative_size+0x154/0x2e0 [ 44.380838] Read of size 18446744073709551614 at addr ffff000807bb4b84 by task kunit_try_catch/264 [ 44.389779] [ 44.391265] CPU: 3 UID: 0 PID: 264 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250714 #1 PREEMPT [ 44.391319] Tainted: [B]=BAD_PAGE, [N]=TEST [ 44.391335] Hardware name: WinLink E850-96 board (DT) [ 44.391354] Call trace: [ 44.391368] show_stack+0x20/0x38 (C) [ 44.391402] dump_stack_lvl+0x8c/0xd0 [ 44.391436] print_report+0x118/0x5d0 [ 44.391463] kasan_report+0xdc/0x128 [ 44.391491] kasan_check_range+0x100/0x1a8 [ 44.391521] __asan_memmove+0x3c/0x98 [ 44.391552] kmalloc_memmove_negative_size+0x154/0x2e0 [ 44.391587] kunit_try_run_case+0x170/0x3f0 [ 44.391625] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 44.391656] kthread+0x328/0x630 [ 44.391685] ret_from_fork+0x10/0x20 [ 44.391717] [ 44.459224] Allocated by task 264: [ 44.462610] kasan_save_stack+0x3c/0x68 [ 44.466427] kasan_save_track+0x20/0x40 [ 44.470246] kasan_save_alloc_info+0x40/0x58 [ 44.474499] __kasan_kmalloc+0xd4/0xd8 [ 44.478232] __kmalloc_cache_noprof+0x16c/0x3c0 [ 44.482746] kmalloc_memmove_negative_size+0xb0/0x2e0 [ 44.487781] kunit_try_run_case+0x170/0x3f0 [ 44.491947] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 44.497416] kthread+0x328/0x630 [ 44.500627] ret_from_fork+0x10/0x20 [ 44.504187] [ 44.505664] The buggy address belongs to the object at ffff000807bb4b80 [ 44.505664] which belongs to the cache kmalloc-64 of size 64 [ 44.517991] The buggy address is located 4 bytes inside of [ 44.517991] 64-byte region [ffff000807bb4b80, ffff000807bb4bc0) [ 44.529446] [ 44.530924] The buggy address belongs to the physical page: [ 44.536482] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x887bb4 [ 44.544466] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 44.550977] page_type: f5(slab) [ 44.554112] raw: 0bfffe0000000000 ffff0008000028c0 dead000000000122 0000000000000000 [ 44.561831] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 44.569550] page dumped because: kasan: bad access detected [ 44.575106] [ 44.576583] Memory state around the buggy address: [ 44.581362] ffff000807bb4a80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 44.588564] ffff000807bb4b00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 44.595770] >ffff000807bb4b80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 44.602970] ^ [ 44.606186] ffff000807bb4c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 44.613390] ffff000807bb4c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 44.620592] ==================================================================
[ 29.702527] ================================================================== [ 29.702754] BUG: KASAN: out-of-bounds in kmalloc_memmove_negative_size+0x154/0x2e0 [ 29.703023] Read of size 18446744073709551614 at addr fff00000c9ad9b04 by task kunit_try_catch/211 [ 29.703335] [ 29.703398] CPU: 0 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250714 #1 PREEMPT [ 29.703496] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.703523] Hardware name: linux,dummy-virt (DT) [ 29.703646] Call trace: [ 29.703822] show_stack+0x20/0x38 (C) [ 29.704068] dump_stack_lvl+0x8c/0xd0 [ 29.704167] print_report+0x118/0x5d0 [ 29.704274] kasan_report+0xdc/0x128 [ 29.704330] kasan_check_range+0x100/0x1a8 [ 29.704373] __asan_memmove+0x3c/0x98 [ 29.704415] kmalloc_memmove_negative_size+0x154/0x2e0 [ 29.704466] kunit_try_run_case+0x170/0x3f0 [ 29.704676] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.704730] kthread+0x328/0x630 [ 29.704772] ret_from_fork+0x10/0x20 [ 29.704972] [ 29.705026] Allocated by task 211: [ 29.705066] kasan_save_stack+0x3c/0x68 [ 29.705111] kasan_save_track+0x20/0x40 [ 29.705149] kasan_save_alloc_info+0x40/0x58 [ 29.705207] __kasan_kmalloc+0xd4/0xd8 [ 29.705387] __kmalloc_cache_noprof+0x16c/0x3c0 [ 29.705426] kmalloc_memmove_negative_size+0xb0/0x2e0 [ 29.705613] kunit_try_run_case+0x170/0x3f0 [ 29.705765] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.705811] kthread+0x328/0x630 [ 29.705847] ret_from_fork+0x10/0x20 [ 29.705929] [ 29.706005] The buggy address belongs to the object at fff00000c9ad9b00 [ 29.706005] which belongs to the cache kmalloc-64 of size 64 [ 29.706071] The buggy address is located 4 bytes inside of [ 29.706071] 64-byte region [fff00000c9ad9b00, fff00000c9ad9b40) [ 29.706130] [ 29.706151] The buggy address belongs to the physical page: [ 29.706183] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109ad9 [ 29.706239] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 29.706291] page_type: f5(slab) [ 29.706766] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000 [ 29.706891] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 29.706934] page dumped because: kasan: bad access detected [ 29.707044] [ 29.707133] Memory state around the buggy address: [ 29.707167] fff00000c9ad9a00: 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc fc [ 29.707210] fff00000c9ad9a80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 29.707251] >fff00000c9ad9b00: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 29.707446] ^ [ 29.707478] fff00000c9ad9b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.707717] fff00000c9ad9c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.707802] ==================================================================
[ 24.464614] ================================================================== [ 24.465174] BUG: KASAN: out-of-bounds in kmalloc_memmove_negative_size+0x171/0x330 [ 24.465424] Read of size 18446744073709551614 at addr ffff888103ea0e84 by task kunit_try_catch/229 [ 24.465728] [ 24.465816] CPU: 0 UID: 0 PID: 229 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc6-next-20250714 #1 PREEMPT(voluntary) [ 24.465871] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 24.465884] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.465907] Call Trace: [ 24.465919] <TASK> [ 24.465937] dump_stack_lvl+0x73/0xb0 [ 24.465969] print_report+0xd1/0x610 [ 24.465990] ? __virt_addr_valid+0x1db/0x2d0 [ 24.466014] ? kmalloc_memmove_negative_size+0x171/0x330 [ 24.466036] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.466067] ? kmalloc_memmove_negative_size+0x171/0x330 [ 24.466107] kasan_report+0x141/0x180 [ 24.466128] ? kmalloc_memmove_negative_size+0x171/0x330 [ 24.466155] kasan_check_range+0x10c/0x1c0 [ 24.466177] __asan_memmove+0x27/0x70 [ 24.466199] kmalloc_memmove_negative_size+0x171/0x330 [ 24.466222] ? __pfx_kmalloc_memmove_negative_size+0x10/0x10 [ 24.466246] ? __schedule+0x10cc/0x2b60 [ 24.466268] ? __pfx_read_tsc+0x10/0x10 [ 24.466289] ? ktime_get_ts64+0x86/0x230 [ 24.466313] kunit_try_run_case+0x1a5/0x480 [ 24.466335] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.466355] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.466377] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.466399] ? __kthread_parkme+0x82/0x180 [ 24.466420] ? preempt_count_sub+0x50/0x80 [ 24.466442] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.466463] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.466487] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.466511] kthread+0x337/0x6f0 [ 24.466529] ? trace_preempt_on+0x20/0xc0 [ 24.466552] ? __pfx_kthread+0x10/0x10 [ 24.466571] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.466591] ? calculate_sigpending+0x7b/0xa0 [ 24.466615] ? __pfx_kthread+0x10/0x10 [ 24.466635] ret_from_fork+0x116/0x1d0 [ 24.466653] ? __pfx_kthread+0x10/0x10 [ 24.466720] ret_from_fork_asm+0x1a/0x30 [ 24.466767] </TASK> [ 24.466777] [ 24.485762] Allocated by task 229: [ 24.486341] kasan_save_stack+0x45/0x70 [ 24.486507] kasan_save_track+0x18/0x40 [ 24.486637] kasan_save_alloc_info+0x3b/0x50 [ 24.486960] __kasan_kmalloc+0xb7/0xc0 [ 24.487333] __kmalloc_cache_noprof+0x189/0x420 [ 24.487885] kmalloc_memmove_negative_size+0xac/0x330 [ 24.488404] kunit_try_run_case+0x1a5/0x480 [ 24.488987] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.489400] kthread+0x337/0x6f0 [ 24.489531] ret_from_fork+0x116/0x1d0 [ 24.489670] ret_from_fork_asm+0x1a/0x30 [ 24.489904] [ 24.490098] The buggy address belongs to the object at ffff888103ea0e80 [ 24.490098] which belongs to the cache kmalloc-64 of size 64 [ 24.491296] The buggy address is located 4 bytes inside of [ 24.491296] 64-byte region [ffff888103ea0e80, ffff888103ea0ec0) [ 24.492369] [ 24.492460] The buggy address belongs to the physical page: [ 24.492628] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103ea0 [ 24.493199] flags: 0x200000000000000(node=0|zone=2) [ 24.493408] page_type: f5(slab) [ 24.493527] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000 [ 24.493865] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 24.494584] page dumped because: kasan: bad access detected [ 24.495161] [ 24.495390] Memory state around the buggy address: [ 24.495873] ffff888103ea0d80: 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc fc [ 24.496374] ffff888103ea0e00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 24.496939] >ffff888103ea0e80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 24.497619] ^ [ 24.497865] ffff888103ea0f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.498382] ffff888103ea0f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.498922] ==================================================================