Date
July 15, 2025, 11:35 a.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 45.611029] ================================================================== [ 45.620863] BUG: KASAN: out-of-bounds in kmalloc_memmove_negative_size+0x154/0x2e0 [ 45.628410] Read of size 18446744073709551614 at addr ffff00080696ef84 by task kunit_try_catch/261 [ 45.637351] [ 45.638837] CPU: 2 UID: 0 PID: 261 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 45.638891] Tainted: [B]=BAD_PAGE, [N]=TEST [ 45.638909] Hardware name: WinLink E850-96 board (DT) [ 45.638930] Call trace: [ 45.638942] show_stack+0x20/0x38 (C) [ 45.638977] dump_stack_lvl+0x8c/0xd0 [ 45.639016] print_report+0x118/0x5d0 [ 45.639048] kasan_report+0xdc/0x128 [ 45.639075] kasan_check_range+0x100/0x1a8 [ 45.639105] __asan_memmove+0x3c/0x98 [ 45.639135] kmalloc_memmove_negative_size+0x154/0x2e0 [ 45.639169] kunit_try_run_case+0x170/0x3f0 [ 45.639200] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 45.639234] kthread+0x328/0x630 [ 45.639261] ret_from_fork+0x10/0x20 [ 45.639296] [ 45.706795] Allocated by task 261: [ 45.710183] kasan_save_stack+0x3c/0x68 [ 45.713998] kasan_save_track+0x20/0x40 [ 45.717818] kasan_save_alloc_info+0x40/0x58 [ 45.722071] __kasan_kmalloc+0xd4/0xd8 [ 45.725804] __kmalloc_cache_noprof+0x16c/0x3c0 [ 45.730317] kmalloc_memmove_negative_size+0xb0/0x2e0 [ 45.735352] kunit_try_run_case+0x170/0x3f0 [ 45.739521] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 45.744988] kthread+0x328/0x630 [ 45.748199] ret_from_fork+0x10/0x20 [ 45.751758] [ 45.753237] The buggy address belongs to the object at ffff00080696ef80 [ 45.753237] which belongs to the cache kmalloc-64 of size 64 [ 45.765563] The buggy address is located 4 bytes inside of [ 45.765563] 64-byte region [ffff00080696ef80, ffff00080696efc0) [ 45.777018] [ 45.778497] The buggy address belongs to the physical page: [ 45.784054] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x88696e [ 45.792038] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 45.798547] page_type: f5(slab) [ 45.801683] raw: 0bfffe0000000000 ffff0008000028c0 dead000000000122 0000000000000000 [ 45.809403] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 45.817123] page dumped because: kasan: bad access detected [ 45.822677] [ 45.824153] Memory state around the buggy address: [ 45.828934] ffff00080696ee80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 45.836137] ffff00080696ef00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 45.843341] >ffff00080696ef80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 45.850541] ^ [ 45.853759] ffff00080696f000: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc [ 45.860962] ffff00080696f080: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc [ 45.868164] ==================================================================
[ 30.659137] ================================================================== [ 30.659218] BUG: KASAN: out-of-bounds in kmalloc_memmove_negative_size+0x154/0x2e0 [ 30.659313] Read of size 18446744073709551614 at addr fff00000c6503204 by task kunit_try_catch/212 [ 30.659395] [ 30.659472] CPU: 0 UID: 0 PID: 212 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 30.659578] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.659604] Hardware name: linux,dummy-virt (DT) [ 30.659636] Call trace: [ 30.659676] show_stack+0x20/0x38 (C) [ 30.659820] dump_stack_lvl+0x8c/0xd0 [ 30.659873] print_report+0x118/0x5d0 [ 30.659917] kasan_report+0xdc/0x128 [ 30.660160] kasan_check_range+0x100/0x1a8 [ 30.660234] __asan_memmove+0x3c/0x98 [ 30.660478] kmalloc_memmove_negative_size+0x154/0x2e0 [ 30.660653] kunit_try_run_case+0x170/0x3f0 [ 30.660733] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.660878] kthread+0x328/0x630 [ 30.661061] ret_from_fork+0x10/0x20 [ 30.661129] [ 30.661167] Allocated by task 212: [ 30.661215] kasan_save_stack+0x3c/0x68 [ 30.661258] kasan_save_track+0x20/0x40 [ 30.661317] kasan_save_alloc_info+0x40/0x58 [ 30.661361] __kasan_kmalloc+0xd4/0xd8 [ 30.661418] __kmalloc_cache_noprof+0x16c/0x3c0 [ 30.661477] kmalloc_memmove_negative_size+0xb0/0x2e0 [ 30.661544] kunit_try_run_case+0x170/0x3f0 [ 30.661600] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.661728] kthread+0x328/0x630 [ 30.661836] ret_from_fork+0x10/0x20 [ 30.661884] [ 30.661906] The buggy address belongs to the object at fff00000c6503200 [ 30.661906] which belongs to the cache kmalloc-64 of size 64 [ 30.661991] The buggy address is located 4 bytes inside of [ 30.661991] 64-byte region [fff00000c6503200, fff00000c6503240) [ 30.662390] [ 30.662418] The buggy address belongs to the physical page: [ 30.662611] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106503 [ 30.662839] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 30.662980] page_type: f5(slab) [ 30.663047] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000 [ 30.663145] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 30.663264] page dumped because: kasan: bad access detected [ 30.663354] [ 30.663425] Memory state around the buggy address: [ 30.663516] fff00000c6503100: 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc fc [ 30.663613] fff00000c6503180: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 30.663693] >fff00000c6503200: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 30.663780] ^ [ 30.663860] fff00000c6503280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.663946] fff00000c6503300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.664001] ==================================================================
[ 24.230845] ================================================================== [ 24.232340] BUG: KASAN: out-of-bounds in kmalloc_memmove_negative_size+0x171/0x330 [ 24.233128] Read of size 18446744073709551614 at addr ffff888105911184 by task kunit_try_catch/228 [ 24.233468] [ 24.233710] CPU: 0 UID: 0 PID: 228 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT(voluntary) [ 24.233769] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.233784] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.233808] Call Trace: [ 24.233824] <TASK> [ 24.233842] dump_stack_lvl+0x73/0xb0 [ 24.233879] print_report+0xd1/0x610 [ 24.233906] ? __virt_addr_valid+0x1db/0x2d0 [ 24.233938] ? kmalloc_memmove_negative_size+0x171/0x330 [ 24.233966] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.233997] ? kmalloc_memmove_negative_size+0x171/0x330 [ 24.234050] kasan_report+0x141/0x180 [ 24.234081] ? kmalloc_memmove_negative_size+0x171/0x330 [ 24.234120] kasan_check_range+0x10c/0x1c0 [ 24.234150] __asan_memmove+0x27/0x70 [ 24.234180] kmalloc_memmove_negative_size+0x171/0x330 [ 24.234209] ? __pfx_kmalloc_memmove_negative_size+0x10/0x10 [ 24.234239] ? __schedule+0x10cc/0x2b60 [ 24.234268] ? __pfx_read_tsc+0x10/0x10 [ 24.234296] ? ktime_get_ts64+0x86/0x230 [ 24.234330] kunit_try_run_case+0x1a5/0x480 [ 24.234363] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.234390] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.234418] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.234446] ? __kthread_parkme+0x82/0x180 [ 24.234482] ? preempt_count_sub+0x50/0x80 [ 24.234513] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.234554] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.234715] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.234746] kthread+0x337/0x6f0 [ 24.234771] ? trace_preempt_on+0x20/0xc0 [ 24.234801] ? __pfx_kthread+0x10/0x10 [ 24.234826] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.234856] ? calculate_sigpending+0x7b/0xa0 [ 24.234885] ? __pfx_kthread+0x10/0x10 [ 24.234911] ret_from_fork+0x116/0x1d0 [ 24.234935] ? __pfx_kthread+0x10/0x10 [ 24.234960] ret_from_fork_asm+0x1a/0x30 [ 24.235002] </TASK> [ 24.235014] [ 24.246879] Allocated by task 228: [ 24.247199] kasan_save_stack+0x45/0x70 [ 24.247619] kasan_save_track+0x18/0x40 [ 24.247913] kasan_save_alloc_info+0x3b/0x50 [ 24.248068] __kasan_kmalloc+0xb7/0xc0 [ 24.248202] __kmalloc_cache_noprof+0x189/0x420 [ 24.248359] kmalloc_memmove_negative_size+0xac/0x330 [ 24.248540] kunit_try_run_case+0x1a5/0x480 [ 24.248848] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.249350] kthread+0x337/0x6f0 [ 24.249738] ret_from_fork+0x116/0x1d0 [ 24.250157] ret_from_fork_asm+0x1a/0x30 [ 24.250600] [ 24.250780] The buggy address belongs to the object at ffff888105911180 [ 24.250780] which belongs to the cache kmalloc-64 of size 64 [ 24.251957] The buggy address is located 4 bytes inside of [ 24.251957] 64-byte region [ffff888105911180, ffff8881059111c0) [ 24.253014] [ 24.253202] The buggy address belongs to the physical page: [ 24.253475] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105911 [ 24.254101] flags: 0x200000000000000(node=0|zone=2) [ 24.254436] page_type: f5(slab) [ 24.254627] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000 [ 24.255361] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 24.255940] page dumped because: kasan: bad access detected [ 24.256431] [ 24.256503] Memory state around the buggy address: [ 24.256938] ffff888105911080: 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc fc [ 24.257558] ffff888105911100: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 24.258194] >ffff888105911180: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 24.258413] ^ [ 24.258548] ffff888105911200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.259310] ffff888105911280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.259995] ==================================================================