Date
May 12, 2025, 6:12 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.881487] ================================================================== [ 18.882446] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x154/0x2e8 [ 18.883843] Read of size 64 at addr fff00000c5a02c04 by task kunit_try_catch/171 [ 18.884399] [ 18.884650] CPU: 1 UID: 0 PID: 171 Comm: kunit_try_catch Tainted: G B N 6.14.7-rc1 #1 [ 18.884823] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.884857] Hardware name: linux,dummy-virt (DT) [ 18.884896] Call trace: [ 18.884927] show_stack+0x20/0x38 (C) [ 18.885008] dump_stack_lvl+0x8c/0xd0 [ 18.885062] print_report+0x118/0x608 [ 18.885110] kasan_report+0xdc/0x128 [ 18.885157] kasan_check_range+0x100/0x1a8 [ 18.885206] __asan_memmove+0x3c/0x98 [ 18.885251] kmalloc_memmove_invalid_size+0x154/0x2e8 [ 18.885302] kunit_try_run_case+0x170/0x3f0 [ 18.885350] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.885402] kthread+0x318/0x620 [ 18.885448] ret_from_fork+0x10/0x20 [ 18.885499] [ 18.891680] Allocated by task 171: [ 18.892110] kasan_save_stack+0x3c/0x68 [ 18.893212] kasan_save_track+0x20/0x40 [ 18.893678] kasan_save_alloc_info+0x40/0x58 [ 18.894035] __kasan_kmalloc+0xd4/0xd8 [ 18.895000] __kmalloc_cache_noprof+0x15c/0x3c0 [ 18.895500] kmalloc_memmove_invalid_size+0xb0/0x2e8 [ 18.896205] kunit_try_run_case+0x170/0x3f0 [ 18.896778] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.897426] kthread+0x318/0x620 [ 18.897945] ret_from_fork+0x10/0x20 [ 18.898504] [ 18.899220] The buggy address belongs to the object at fff00000c5a02c00 [ 18.899220] which belongs to the cache kmalloc-64 of size 64 [ 18.899963] The buggy address is located 4 bytes inside of [ 18.899963] allocated 64-byte region [fff00000c5a02c00, fff00000c5a02c40) [ 18.901643] [ 18.901831] The buggy address belongs to the physical page: [ 18.902196] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a02 [ 18.903261] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.903881] page_type: f5(slab) [ 18.904368] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000 [ 18.904932] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 18.905585] page dumped because: kasan: bad access detected [ 18.906091] [ 18.906378] Memory state around the buggy address: [ 18.906900] fff00000c5a02b00: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 18.907463] fff00000c5a02b80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 18.907996] >fff00000c5a02c00: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 18.908584] ^ [ 18.909199] fff00000c5a02c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.909708] fff00000c5a02d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.910426] ==================================================================
[ 12.658507] ================================================================== [ 12.659294] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x170/0x330 [ 12.660581] Read of size 64 at addr ffff888102ad8484 by task kunit_try_catch/190 [ 12.660874] [ 12.660983] CPU: 0 UID: 0 PID: 190 Comm: kunit_try_catch Tainted: G B N 6.14.7-rc1 #1 [ 12.661035] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.661049] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.661070] Call Trace: [ 12.661089] <TASK> [ 12.661121] dump_stack_lvl+0x73/0xb0 [ 12.661155] print_report+0xd1/0x650 [ 12.661178] ? __virt_addr_valid+0x1db/0x2d0 [ 12.661200] ? kmalloc_memmove_invalid_size+0x170/0x330 [ 12.661224] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.661249] ? kmalloc_memmove_invalid_size+0x170/0x330 [ 12.661272] kasan_report+0x140/0x180 [ 12.661294] ? kmalloc_memmove_invalid_size+0x170/0x330 [ 12.661321] kasan_check_range+0x10c/0x1c0 [ 12.661344] __asan_memmove+0x27/0x70 [ 12.661366] kmalloc_memmove_invalid_size+0x170/0x330 [ 12.661389] ? __pfx_kmalloc_memmove_invalid_size+0x10/0x10 [ 12.661412] ? __schedule+0xce8/0x2840 [ 12.661437] ? __pfx_read_tsc+0x10/0x10 [ 12.661459] ? ktime_get_ts64+0x86/0x230 [ 12.661485] kunit_try_run_case+0x1a6/0x480 [ 12.661510] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.661530] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 12.661551] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.661575] ? __kthread_parkme+0x82/0x160 [ 12.661597] ? preempt_count_sub+0x50/0x80 [ 12.661622] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.661644] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.661669] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.661694] kthread+0x324/0x6e0 [ 12.661715] ? trace_preempt_on+0x20/0xc0 [ 12.661738] ? __pfx_kthread+0x10/0x10 [ 12.661766] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.661788] ? calculate_sigpending+0x7b/0xa0 [ 12.661809] ? __pfx_kthread+0x10/0x10 [ 12.661831] ret_from_fork+0x41/0x80 [ 12.661859] ? __pfx_kthread+0x10/0x10 [ 12.661881] ret_from_fork_asm+0x1a/0x30 [ 12.661912] </TASK> [ 12.661923] [ 12.676032] Allocated by task 190: [ 12.676495] kasan_save_stack+0x45/0x70 [ 12.676907] kasan_save_track+0x18/0x40 [ 12.677289] kasan_save_alloc_info+0x3b/0x50 [ 12.677671] __kasan_kmalloc+0xb7/0xc0 [ 12.677813] __kmalloc_cache_noprof+0x18a/0x420 [ 12.677979] kmalloc_memmove_invalid_size+0xad/0x330 [ 12.678275] kunit_try_run_case+0x1a6/0x480 [ 12.678670] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.679361] kthread+0x324/0x6e0 [ 12.679669] ret_from_fork+0x41/0x80 [ 12.680012] ret_from_fork_asm+0x1a/0x30 [ 12.680460] [ 12.680627] The buggy address belongs to the object at ffff888102ad8480 [ 12.680627] which belongs to the cache kmalloc-64 of size 64 [ 12.681658] The buggy address is located 4 bytes inside of [ 12.681658] allocated 64-byte region [ffff888102ad8480, ffff888102ad84c0) [ 12.682158] [ 12.682356] The buggy address belongs to the physical page: [ 12.682830] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102ad8 [ 12.683751] flags: 0x200000000000000(node=0|zone=2) [ 12.684314] page_type: f5(slab) [ 12.684692] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000 [ 12.685272] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 12.685502] page dumped because: kasan: bad access detected [ 12.685674] [ 12.685751] Memory state around the buggy address: [ 12.685930] ffff888102ad8380: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 12.686237] ffff888102ad8400: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 12.686644] >ffff888102ad8480: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 12.686891] ^ [ 12.687647] ffff888102ad8500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.687999] ffff888102ad8580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.688323] ==================================================================