Date
Nov. 22, 2024, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 33.987285] ================================================================== [ 33.988643] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x154/0x2e8 [ 33.989625] Read of size 64 at addr fff00000c63c3684 by task kunit_try_catch/171 [ 33.991161] [ 33.991570] CPU: 1 UID: 0 PID: 171 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241122 #1 [ 33.993355] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.994050] Hardware name: linux,dummy-virt (DT) [ 33.994724] Call trace: [ 33.995305] show_stack+0x20/0x38 (C) [ 33.996179] dump_stack_lvl+0x8c/0xd0 [ 33.997124] print_report+0x118/0x5e0 [ 33.998153] kasan_report+0xc8/0x118 [ 33.998791] kasan_check_range+0x100/0x1a8 [ 33.999511] __asan_memmove+0x3c/0x98 [ 34.000184] kmalloc_memmove_invalid_size+0x154/0x2e8 [ 34.001487] kunit_try_run_case+0x14c/0x3d0 [ 34.002572] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.003630] kthread+0x24c/0x2d0 [ 34.004149] ret_from_fork+0x10/0x20 [ 34.004811] [ 34.005128] Allocated by task 171: [ 34.006302] kasan_save_stack+0x3c/0x68 [ 34.006938] kasan_save_track+0x20/0x40 [ 34.007502] kasan_save_alloc_info+0x40/0x58 [ 34.008242] __kasan_kmalloc+0xd4/0xd8 [ 34.009532] __kmalloc_cache_noprof+0x15c/0x3c8 [ 34.011104] kmalloc_memmove_invalid_size+0xb0/0x2e8 [ 34.012108] kunit_try_run_case+0x14c/0x3d0 [ 34.012729] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.013979] kthread+0x24c/0x2d0 [ 34.014475] ret_from_fork+0x10/0x20 [ 34.014854] [ 34.016107] The buggy address belongs to the object at fff00000c63c3680 [ 34.016107] which belongs to the cache kmalloc-64 of size 64 [ 34.018128] The buggy address is located 4 bytes inside of [ 34.018128] allocated 64-byte region [fff00000c63c3680, fff00000c63c36c0) [ 34.019880] [ 34.020512] The buggy address belongs to the physical page: [ 34.021498] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063c3 [ 34.022662] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 34.023641] page_type: f5(slab) [ 34.024368] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000 [ 34.025670] raw: 0000000000000000 0000000080200020 00000001f5000000 0000000000000000 [ 34.026835] page dumped because: kasan: bad access detected [ 34.027764] [ 34.028145] Memory state around the buggy address: [ 34.028920] fff00000c63c3580: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 34.030073] fff00000c63c3600: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 34.031483] >fff00000c63c3680: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 34.032960] ^ [ 34.034566] fff00000c63c3700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.035612] fff00000c63c3780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.036749] ==================================================================
[ 25.391164] ================================================================== [ 25.392369] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x170/0x330 [ 25.394144] Read of size 64 at addr ffff888101aad504 by task kunit_try_catch/190 [ 25.394807] [ 25.395292] CPU: 0 UID: 0 PID: 190 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241122 #1 [ 25.396159] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.396789] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.397484] Call Trace: [ 25.397894] <TASK> [ 25.398300] dump_stack_lvl+0x73/0xb0 [ 25.398764] print_report+0xd1/0x640 [ 25.399574] ? __virt_addr_valid+0x1db/0x2d0 [ 25.400149] ? kasan_complete_mode_report_info+0x2a/0x200 [ 25.400900] kasan_report+0x102/0x140 [ 25.401176] ? kmalloc_memmove_invalid_size+0x170/0x330 [ 25.401530] ? kmalloc_memmove_invalid_size+0x170/0x330 [ 25.402628] kasan_check_range+0x10c/0x1c0 [ 25.403096] __asan_memmove+0x27/0x70 [ 25.403503] kmalloc_memmove_invalid_size+0x170/0x330 [ 25.404777] ? __pfx_kmalloc_memmove_invalid_size+0x10/0x10 [ 25.405733] ? __schedule+0xc3e/0x2790 [ 25.406534] ? __pfx_read_tsc+0x10/0x10 [ 25.407076] ? ktime_get_ts64+0x84/0x230 [ 25.407449] kunit_try_run_case+0x1b3/0x490 [ 25.408098] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.408623] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 25.409243] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.409771] ? __kthread_parkme+0x82/0x160 [ 25.410163] ? preempt_count_sub+0x50/0x80 [ 25.410571] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.411354] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.412147] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.412536] kthread+0x257/0x310 [ 25.413007] ? __pfx_kthread+0x10/0x10 [ 25.413453] ret_from_fork+0x41/0x80 [ 25.414030] ? __pfx_kthread+0x10/0x10 [ 25.414499] ret_from_fork_asm+0x1a/0x30 [ 25.415348] </TASK> [ 25.415536] [ 25.415748] Allocated by task 190: [ 25.416122] kasan_save_stack+0x3d/0x60 [ 25.416523] kasan_save_track+0x18/0x40 [ 25.416964] kasan_save_alloc_info+0x3b/0x50 [ 25.417589] __kasan_kmalloc+0xb7/0xc0 [ 25.418169] __kmalloc_cache_noprof+0x184/0x410 [ 25.418563] kmalloc_memmove_invalid_size+0xad/0x330 [ 25.419478] kunit_try_run_case+0x1b3/0x490 [ 25.419759] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.420478] kthread+0x257/0x310 [ 25.420840] ret_from_fork+0x41/0x80 [ 25.421320] ret_from_fork_asm+0x1a/0x30 [ 25.421627] [ 25.422020] The buggy address belongs to the object at ffff888101aad500 [ 25.422020] which belongs to the cache kmalloc-64 of size 64 [ 25.423451] The buggy address is located 4 bytes inside of [ 25.423451] allocated 64-byte region [ffff888101aad500, ffff888101aad540) [ 25.424374] [ 25.424574] The buggy address belongs to the physical page: [ 25.425077] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101aad [ 25.425520] flags: 0x200000000000000(node=0|zone=2) [ 25.426293] page_type: f5(slab) [ 25.426610] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000 [ 25.427571] raw: 0000000000000000 0000000080200020 00000001f5000000 0000000000000000 [ 25.428418] page dumped because: kasan: bad access detected [ 25.429120] [ 25.429364] Memory state around the buggy address: [ 25.429696] ffff888101aad400: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 25.430372] ffff888101aad480: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 25.431441] >ffff888101aad500: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 25.432199] ^ [ 25.432590] ffff888101aad580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.433186] ffff888101aad600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.433548] ==================================================================