Date
May 23, 2025, 11:07 p.m.
Environment | |
---|---|
qemu-arm64 | |
qemu-x86_64 |
[ 27.745640] ================================================================== [ 27.746032] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x154/0x2e0 [ 27.746228] Read of size 64 at addr fff00000c7770d84 by task kunit_try_catch/184 [ 27.746420] [ 27.746723] CPU: 0 UID: 0 PID: 184 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc7 #1 PREEMPT [ 27.747058] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.747196] Hardware name: linux,dummy-virt (DT) [ 27.747301] Call trace: [ 27.747427] show_stack+0x20/0x38 (C) [ 27.748187] dump_stack_lvl+0x8c/0xd0 [ 27.748399] print_report+0x118/0x608 [ 27.748603] kasan_report+0xdc/0x128 [ 27.748773] kasan_check_range+0x100/0x1a8 [ 27.748892] __asan_memmove+0x3c/0x98 [ 27.749002] kmalloc_memmove_invalid_size+0x154/0x2e0 [ 27.749223] kunit_try_run_case+0x170/0x3f0 [ 27.749428] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.749676] kthread+0x328/0x630 [ 27.749856] ret_from_fork+0x10/0x20 [ 27.750011] [ 27.750073] Allocated by task 184: [ 27.750193] kasan_save_stack+0x3c/0x68 [ 27.750353] kasan_save_track+0x20/0x40 [ 27.750497] kasan_save_alloc_info+0x40/0x58 [ 27.750602] __kasan_kmalloc+0xd4/0xd8 [ 27.751176] __kmalloc_cache_noprof+0x15c/0x3c0 [ 27.751603] kmalloc_memmove_invalid_size+0xb0/0x2e0 [ 27.752025] kunit_try_run_case+0x170/0x3f0 [ 27.752203] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.752351] kthread+0x328/0x630 [ 27.752461] ret_from_fork+0x10/0x20 [ 27.752569] [ 27.752879] The buggy address belongs to the object at fff00000c7770d80 [ 27.752879] which belongs to the cache kmalloc-64 of size 64 [ 27.753100] The buggy address is located 4 bytes inside of [ 27.753100] allocated 64-byte region [fff00000c7770d80, fff00000c7770dc0) [ 27.753327] [ 27.753394] The buggy address belongs to the physical page: [ 27.753537] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107770 [ 27.753790] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 27.753936] page_type: f5(slab) [ 27.754054] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000 [ 27.754225] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 27.754397] page dumped because: kasan: bad access detected [ 27.754557] [ 27.754866] Memory state around the buggy address: [ 27.755233] fff00000c7770c80: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 27.755425] fff00000c7770d00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 27.756191] >fff00000c7770d80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 27.756294] ^ [ 27.756395] fff00000c7770e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.757597] fff00000c7770e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.757737] ==================================================================
[ 12.777731] ================================================================== [ 12.778228] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x16f/0x330 [ 12.778545] Read of size 64 at addr ffff888102701384 by task kunit_try_catch/201 [ 12.778782] [ 12.778871] CPU: 0 UID: 0 PID: 201 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc7 #1 PREEMPT(voluntary) [ 12.778918] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.778930] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.778950] Call Trace: [ 12.778962] <TASK> [ 12.778977] dump_stack_lvl+0x73/0xb0 [ 12.779004] print_report+0xd1/0x650 [ 12.779025] ? __virt_addr_valid+0x1db/0x2d0 [ 12.779046] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 12.779069] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.779090] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 12.779114] kasan_report+0x141/0x180 [ 12.779136] ? kmalloc_memmove_invalid_size+0x16f/0x330 [ 12.779165] kasan_check_range+0x10c/0x1c0 [ 12.779185] __asan_memmove+0x27/0x70 [ 12.779204] kmalloc_memmove_invalid_size+0x16f/0x330 [ 12.779228] ? __pfx_kmalloc_memmove_invalid_size+0x10/0x10 [ 12.779253] ? __schedule+0x10cc/0x2b30 [ 12.779275] ? __pfx_read_tsc+0x10/0x10 [ 12.779305] ? ktime_get_ts64+0x86/0x230 [ 12.779330] kunit_try_run_case+0x1a5/0x480 [ 12.779353] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.779374] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.779396] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.779418] ? __kthread_parkme+0x82/0x180 [ 12.779722] ? preempt_count_sub+0x50/0x80 [ 12.779749] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.779787] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.779809] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.779831] kthread+0x337/0x6f0 [ 12.779847] ? trace_preempt_on+0x20/0xc0 [ 12.779870] ? __pfx_kthread+0x10/0x10 [ 12.779887] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.779908] ? calculate_sigpending+0x7b/0xa0 [ 12.779928] ? __pfx_kthread+0x10/0x10 [ 12.779946] ret_from_fork+0x41/0x80 [ 12.779966] ? __pfx_kthread+0x10/0x10 [ 12.779984] ret_from_fork_asm+0x1a/0x30 [ 12.780014] </TASK> [ 12.780026] [ 12.794881] Allocated by task 201: [ 12.795156] kasan_save_stack+0x45/0x70 [ 12.795558] kasan_save_track+0x18/0x40 [ 12.795701] kasan_save_alloc_info+0x3b/0x50 [ 12.795847] __kasan_kmalloc+0xb7/0xc0 [ 12.796149] __kmalloc_cache_noprof+0x189/0x420 [ 12.796590] kmalloc_memmove_invalid_size+0xac/0x330 [ 12.797119] kunit_try_run_case+0x1a5/0x480 [ 12.797559] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.798119] kthread+0x337/0x6f0 [ 12.798549] ret_from_fork+0x41/0x80 [ 12.798700] ret_from_fork_asm+0x1a/0x30 [ 12.798919] [ 12.799155] The buggy address belongs to the object at ffff888102701380 [ 12.799155] which belongs to the cache kmalloc-64 of size 64 [ 12.800307] The buggy address is located 4 bytes inside of [ 12.800307] allocated 64-byte region [ffff888102701380, ffff8881027013c0) [ 12.800923] [ 12.801153] The buggy address belongs to the physical page: [ 12.801715] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102701 [ 12.802187] flags: 0x200000000000000(node=0|zone=2) [ 12.802373] page_type: f5(slab) [ 12.802597] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000 [ 12.803399] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 12.804226] page dumped because: kasan: bad access detected [ 12.804782] [ 12.804976] Memory state around the buggy address: [ 12.805305] ffff888102701280: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 12.805624] ffff888102701300: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 12.806357] >ffff888102701380: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 12.807069] ^ [ 12.807586] ffff888102701400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.807820] ffff888102701480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.808605] ==================================================================