Date
Dec. 9, 2024, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 25.394358] ================================================================== [ 25.395953] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3b8 [ 25.396878] Free of addr fff00000c650b001 by task kunit_try_catch/199 [ 25.397976] [ 25.398250] CPU: 0 UID: 0 PID: 199 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc2-next-20241209 #1 [ 25.400138] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.400749] Hardware name: linux,dummy-virt (DT) [ 25.401351] Call trace: [ 25.401745] show_stack+0x20/0x38 (C) [ 25.402262] dump_stack_lvl+0x8c/0xd0 [ 25.402869] print_report+0x118/0x5e0 [ 25.403423] kasan_report_invalid_free+0xb0/0xd8 [ 25.404047] check_slab_allocation+0xfc/0x108 [ 25.404647] __kasan_slab_pre_free+0x2c/0x48 [ 25.405510] kmem_cache_free+0xf0/0x470 [ 25.406101] kmem_cache_invalid_free+0x184/0x3b8 [ 25.406742] kunit_try_run_case+0x14c/0x3d0 [ 25.407906] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.408627] kthread+0x24c/0x2d0 [ 25.409137] ret_from_fork+0x10/0x20 [ 25.409677] [ 25.410029] Allocated by task 199: [ 25.410525] kasan_save_stack+0x3c/0x68 [ 25.411320] kasan_save_track+0x20/0x40 [ 25.411905] kasan_save_alloc_info+0x40/0x58 [ 25.412618] __kasan_slab_alloc+0xa8/0xb0 [ 25.413209] kmem_cache_alloc_noprof+0x108/0x398 [ 25.413879] kmem_cache_invalid_free+0x12c/0x3b8 [ 25.414469] kunit_try_run_case+0x14c/0x3d0 [ 25.415014] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.416288] kthread+0x24c/0x2d0 [ 25.416821] ret_from_fork+0x10/0x20 [ 25.417385] [ 25.417692] The buggy address belongs to the object at fff00000c650b000 [ 25.417692] which belongs to the cache test_cache of size 200 [ 25.418828] The buggy address is located 1 bytes inside of [ 25.418828] 200-byte region [fff00000c650b000, fff00000c650b0c8) [ 25.420540] [ 25.420798] The buggy address belongs to the physical page: [ 25.421305] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10650b [ 25.422728] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 25.424466] page_type: f5(slab) [ 25.425191] raw: 0bfffe0000000000 fff00000c11623c0 dead000000000122 0000000000000000 [ 25.426049] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 25.427371] page dumped because: kasan: bad access detected [ 25.428003] [ 25.428323] Memory state around the buggy address: [ 25.428886] fff00000c650af00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.429617] fff00000c650af80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.430518] >fff00000c650b000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.431425] ^ [ 25.431812] fff00000c650b080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 25.432409] fff00000c650b100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.434534] ==================================================================
[ 25.538818] ================================================================== [ 25.539945] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d9/0x470 [ 25.540576] Free of addr ffff88810240f001 by task kunit_try_catch/218 [ 25.541503] [ 25.541825] CPU: 1 UID: 0 PID: 218 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc2-next-20241209 #1 [ 25.543019] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.543477] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.544495] Call Trace: [ 25.544879] <TASK> [ 25.545144] dump_stack_lvl+0x73/0xb0 [ 25.545716] print_report+0xd1/0x640 [ 25.546283] ? __virt_addr_valid+0x1db/0x2d0 [ 25.546983] ? kmem_cache_invalid_free+0x1d9/0x470 [ 25.547407] ? kasan_complete_mode_report_info+0x2a/0x200 [ 25.548148] ? kmem_cache_invalid_free+0x1d9/0x470 [ 25.548751] kasan_report_invalid_free+0xc0/0xf0 [ 25.549279] ? kmem_cache_invalid_free+0x1d9/0x470 [ 25.549728] ? kmem_cache_invalid_free+0x1d9/0x470 [ 25.550307] check_slab_allocation+0x11f/0x130 [ 25.550673] __kasan_slab_pre_free+0x28/0x40 [ 25.551081] kmem_cache_free+0xee/0x420 [ 25.551691] ? kmem_cache_alloc_noprof+0x11e/0x3e0 [ 25.552030] ? kmem_cache_invalid_free+0x1d9/0x470 [ 25.552631] kmem_cache_invalid_free+0x1d9/0x470 [ 25.553737] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 25.554350] ? finish_task_switch.isra.0+0x153/0x700 [ 25.554951] ? __switch_to+0x5d9/0xf60 [ 25.555356] ? __pfx_read_tsc+0x10/0x10 [ 25.555859] ? ktime_get_ts64+0x86/0x230 [ 25.556608] kunit_try_run_case+0x1b3/0x490 [ 25.557418] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.557840] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 25.558648] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.559593] ? __kthread_parkme+0x82/0x160 [ 25.560418] ? preempt_count_sub+0x50/0x80 [ 25.560833] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.561510] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.562562] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.563372] kthread+0x257/0x310 [ 25.563760] ? __pfx_kthread+0x10/0x10 [ 25.564768] ret_from_fork+0x41/0x80 [ 25.565476] ? __pfx_kthread+0x10/0x10 [ 25.565875] ret_from_fork_asm+0x1a/0x30 [ 25.566840] </TASK> [ 25.567354] [ 25.567519] Allocated by task 218: [ 25.568284] kasan_save_stack+0x3d/0x60 [ 25.568697] kasan_save_track+0x18/0x40 [ 25.569713] kasan_save_alloc_info+0x3b/0x50 [ 25.570513] __kasan_slab_alloc+0x91/0xa0 [ 25.570710] kmem_cache_alloc_noprof+0x11e/0x3e0 [ 25.571359] kmem_cache_invalid_free+0x158/0x470 [ 25.572168] kunit_try_run_case+0x1b3/0x490 [ 25.572585] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.573804] kthread+0x257/0x310 [ 25.574547] ret_from_fork+0x41/0x80 [ 25.575132] ret_from_fork_asm+0x1a/0x30 [ 25.575605] [ 25.575829] The buggy address belongs to the object at ffff88810240f000 [ 25.575829] which belongs to the cache test_cache of size 200 [ 25.577665] The buggy address is located 1 bytes inside of [ 25.577665] 200-byte region [ffff88810240f000, ffff88810240f0c8) [ 25.578714] [ 25.579048] The buggy address belongs to the physical page: [ 25.579651] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10240f [ 25.581372] flags: 0x200000000000000(node=0|zone=2) [ 25.581964] page_type: f5(slab) [ 25.582225] raw: 0200000000000000 ffff888101012b40 dead000000000122 0000000000000000 [ 25.582851] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 25.583684] page dumped because: kasan: bad access detected [ 25.584698] [ 25.585141] Memory state around the buggy address: [ 25.585471] ffff88810240ef00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.586613] ffff88810240ef80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.587249] >ffff88810240f000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.588226] ^ [ 25.588787] ffff88810240f080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 25.589519] ffff88810240f100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.590533] ==================================================================