Date
Dec. 6, 2024, 3:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 31.425348] ================================================================== [ 31.426634] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x154/0x2e8 [ 31.428712] Read of size 64 at addr fff00000c66d2104 by task kunit_try_catch/171 [ 31.429648] [ 31.430023] CPU: 0 UID: 0 PID: 171 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241206 #1 [ 31.431626] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.432132] Hardware name: linux,dummy-virt (DT) [ 31.432806] Call trace: [ 31.433178] show_stack+0x20/0x38 (C) [ 31.433853] dump_stack_lvl+0x8c/0xd0 [ 31.434762] print_report+0x118/0x5e0 [ 31.435372] kasan_report+0xc8/0x118 [ 31.435951] kasan_check_range+0x100/0x1a8 [ 31.436601] __asan_memmove+0x3c/0x98 [ 31.437171] kmalloc_memmove_invalid_size+0x154/0x2e8 [ 31.437911] kunit_try_run_case+0x14c/0x3d0 [ 31.438869] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.440081] kthread+0x24c/0x2d0 [ 31.440649] ret_from_fork+0x10/0x20 [ 31.441257] [ 31.441620] Allocated by task 171: [ 31.442045] kasan_save_stack+0x3c/0x68 [ 31.443614] kasan_save_track+0x20/0x40 [ 31.444131] kasan_save_alloc_info+0x40/0x58 [ 31.444784] __kasan_kmalloc+0xd4/0xd8 [ 31.445398] __kmalloc_cache_noprof+0x15c/0x3c0 [ 31.446058] kmalloc_memmove_invalid_size+0xb0/0x2e8 [ 31.447004] kunit_try_run_case+0x14c/0x3d0 [ 31.447671] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.448433] kthread+0x24c/0x2d0 [ 31.449016] ret_from_fork+0x10/0x20 [ 31.449571] [ 31.449948] The buggy address belongs to the object at fff00000c66d2100 [ 31.449948] which belongs to the cache kmalloc-64 of size 64 [ 31.451443] The buggy address is located 4 bytes inside of [ 31.451443] allocated 64-byte region [fff00000c66d2100, fff00000c66d2140) [ 31.452679] [ 31.453053] The buggy address belongs to the physical page: [ 31.453791] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1066d2 [ 31.454990] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 31.455872] page_type: f5(slab) [ 31.456359] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000 [ 31.457367] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 31.458501] page dumped because: kasan: bad access detected [ 31.459277] [ 31.459657] Memory state around the buggy address: [ 31.460208] fff00000c66d2000: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 31.461111] fff00000c66d2080: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 31.461900] >fff00000c66d2100: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 31.463640] ^ [ 31.464217] fff00000c66d2180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.465134] fff00000c66d2200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.465936] ==================================================================
[ 24.001021] ================================================================== [ 24.002662] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x170/0x330 [ 24.004233] Read of size 64 at addr ffff888102919b04 by task kunit_try_catch/190 [ 24.005044] [ 24.005245] CPU: 0 UID: 0 PID: 190 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241206 #1 [ 24.006516] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.007501] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.008880] Call Trace: [ 24.009365] <TASK> [ 24.009769] dump_stack_lvl+0x73/0xb0 [ 24.010461] print_report+0xd1/0x640 [ 24.011673] ? __virt_addr_valid+0x1db/0x2d0 [ 24.012373] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.012662] kasan_report+0x102/0x140 [ 24.012890] ? kmalloc_memmove_invalid_size+0x170/0x330 [ 24.013213] ? kmalloc_memmove_invalid_size+0x170/0x330 [ 24.015008] kasan_check_range+0x10c/0x1c0 [ 24.015519] __asan_memmove+0x27/0x70 [ 24.016475] kmalloc_memmove_invalid_size+0x170/0x330 [ 24.017258] ? __pfx_kmalloc_memmove_invalid_size+0x10/0x10 [ 24.018130] ? __schedule+0xc70/0x27e0 [ 24.019097] ? __pfx_read_tsc+0x10/0x10 [ 24.019599] ? ktime_get_ts64+0x86/0x230 [ 24.020046] kunit_try_run_case+0x1b3/0x490 [ 24.021496] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.022381] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 24.023366] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.024505] ? __kthread_parkme+0x82/0x160 [ 24.025249] ? preempt_count_sub+0x50/0x80 [ 24.025737] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.027586] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.028192] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.028713] kthread+0x257/0x310 [ 24.029083] ? __pfx_kthread+0x10/0x10 [ 24.030429] ret_from_fork+0x41/0x80 [ 24.031173] ? __pfx_kthread+0x10/0x10 [ 24.031475] ret_from_fork_asm+0x1a/0x30 [ 24.032348] </TASK> [ 24.032582] [ 24.033005] Allocated by task 190: [ 24.034090] kasan_save_stack+0x3d/0x60 [ 24.035280] kasan_save_track+0x18/0x40 [ 24.035653] kasan_save_alloc_info+0x3b/0x50 [ 24.036701] __kasan_kmalloc+0xb7/0xc0 [ 24.037451] __kmalloc_cache_noprof+0x184/0x410 [ 24.037817] kmalloc_memmove_invalid_size+0xad/0x330 [ 24.039162] kunit_try_run_case+0x1b3/0x490 [ 24.039522] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.040300] kthread+0x257/0x310 [ 24.040817] ret_from_fork+0x41/0x80 [ 24.041671] ret_from_fork_asm+0x1a/0x30 [ 24.041994] [ 24.042205] The buggy address belongs to the object at ffff888102919b00 [ 24.042205] which belongs to the cache kmalloc-64 of size 64 [ 24.044003] The buggy address is located 4 bytes inside of [ 24.044003] allocated 64-byte region [ffff888102919b00, ffff888102919b40) [ 24.045703] [ 24.045922] The buggy address belongs to the physical page: [ 24.046811] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102919 [ 24.048816] flags: 0x200000000000000(node=0|zone=2) [ 24.049349] page_type: f5(slab) [ 24.050106] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000 [ 24.050971] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 24.052454] page dumped because: kasan: bad access detected [ 24.053060] [ 24.053802] Memory state around the buggy address: [ 24.054263] ffff888102919a00: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc [ 24.054876] ffff888102919a80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 24.056456] >ffff888102919b00: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 24.057181] ^ [ 24.057646] ffff888102919b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.058989] ffff888102919c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.059585] ==================================================================