Date
Nov. 27, 2024, 3:37 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 46.568927] ================================================================== [ 46.570516] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x2ec/0x320 [ 46.571658] Read of size 1 at addr fff00000c40dc77f by task kunit_try_catch/127 [ 46.572403] [ 46.572828] CPU: 1 UID: 0 PID: 127 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241127 #1 [ 46.573855] Tainted: [B]=BAD_PAGE, [N]=TEST [ 46.574486] Hardware name: linux,dummy-virt (DT) [ 46.575008] Call trace: [ 46.575535] show_stack+0x20/0x38 (C) [ 46.576112] dump_stack_lvl+0x8c/0xd0 [ 46.577137] print_report+0x118/0x5e0 [ 46.577876] kasan_report+0xc8/0x118 [ 46.578510] __asan_report_load1_noabort+0x20/0x30 [ 46.579252] kmalloc_oob_left+0x2ec/0x320 [ 46.579836] kunit_try_run_case+0x14c/0x3d0 [ 46.580380] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 46.581467] kthread+0x24c/0x2d0 [ 46.582069] ret_from_fork+0x10/0x20 [ 46.582786] [ 46.583106] Allocated by task 28: [ 46.583590] kasan_save_stack+0x3c/0x68 [ 46.584093] kasan_save_track+0x20/0x40 [ 46.584686] kasan_save_alloc_info+0x40/0x58 [ 46.585424] __kasan_kmalloc+0xd4/0xd8 [ 46.586195] __kmalloc_node_track_caller_noprof+0x184/0x4b8 [ 46.587197] kstrdup+0x54/0xc8 [ 46.587671] devtmpfs_work_loop+0x384/0x590 [ 46.588236] devtmpfsd+0x50/0x58 [ 46.588812] kthread+0x24c/0x2d0 [ 46.589343] ret_from_fork+0x10/0x20 [ 46.589864] [ 46.590318] Freed by task 28: [ 46.590732] kasan_save_stack+0x3c/0x68 [ 46.591418] kasan_save_track+0x20/0x40 [ 46.591958] kasan_save_free_info+0x4c/0x78 [ 46.592945] __kasan_slab_free+0x6c/0x98 [ 46.593628] kfree+0x114/0x3c8 [ 46.594056] devtmpfs_work_loop+0x498/0x590 [ 46.595717] devtmpfsd+0x50/0x58 [ 46.596217] kthread+0x24c/0x2d0 [ 46.596854] ret_from_fork+0x10/0x20 [ 46.597936] [ 46.598255] The buggy address belongs to the object at fff00000c40dc760 [ 46.598255] which belongs to the cache kmalloc-16 of size 16 [ 46.599850] The buggy address is located 15 bytes to the right of [ 46.599850] allocated 16-byte region [fff00000c40dc760, fff00000c40dc770) [ 46.601895] [ 46.602415] The buggy address belongs to the physical page: [ 46.603202] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1040dc [ 46.604223] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 46.605044] page_type: f5(slab) [ 46.605620] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 46.606821] raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000 [ 46.607644] page dumped because: kasan: bad access detected [ 46.608363] [ 46.608736] Memory state around the buggy address: [ 46.609561] fff00000c40dc600: 00 04 fc fc fa fb fc fc 00 02 fc fc 00 02 fc fc [ 46.610410] fff00000c40dc680: 00 00 fc fc 00 06 fc fc 00 06 fc fc fa fb fc fc [ 46.611281] >fff00000c40dc700: 00 06 fc fc 00 06 fc fc fa fb fc fc fa fb fc fc [ 46.612215] ^ [ 46.613488] fff00000c40dc780: 00 07 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.614142] fff00000c40dc800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.615210] ==================================================================
[ 23.645363] ================================================================== [ 23.646556] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x363/0x3c0 [ 23.647373] Read of size 1 at addr ffff888102699cff by task kunit_try_catch/146 [ 23.648884] [ 23.649251] CPU: 0 UID: 0 PID: 146 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241127 #1 [ 23.650753] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.651147] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.651775] Call Trace: [ 23.652263] <TASK> [ 23.652645] dump_stack_lvl+0x73/0xb0 [ 23.653032] print_report+0xd1/0x640 [ 23.653581] ? __virt_addr_valid+0x1db/0x2d0 [ 23.654341] ? kasan_complete_mode_report_info+0x2a/0x200 [ 23.654855] kasan_report+0x102/0x140 [ 23.655431] ? kmalloc_oob_left+0x363/0x3c0 [ 23.656002] ? kmalloc_oob_left+0x363/0x3c0 [ 23.656629] __asan_report_load1_noabort+0x18/0x20 [ 23.657299] kmalloc_oob_left+0x363/0x3c0 [ 23.657916] ? __pfx_kmalloc_oob_left+0x10/0x10 [ 23.658672] ? __schedule+0xc3e/0x2790 [ 23.659314] ? __pfx_read_tsc+0x10/0x10 [ 23.659701] ? ktime_get_ts64+0x84/0x230 [ 23.660279] kunit_try_run_case+0x1b3/0x490 [ 23.660797] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.661379] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 23.662064] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 23.662572] ? __kthread_parkme+0x82/0x160 [ 23.663313] ? preempt_count_sub+0x50/0x80 [ 23.663934] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.664499] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 23.664896] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.665518] kthread+0x257/0x310 [ 23.665870] ? __pfx_kthread+0x10/0x10 [ 23.666579] ret_from_fork+0x41/0x80 [ 23.667090] ? __pfx_kthread+0x10/0x10 [ 23.667544] ret_from_fork_asm+0x1a/0x30 [ 23.668262] </TASK> [ 23.668517] [ 23.668670] Allocated by task 10: [ 23.669315] kasan_save_stack+0x3d/0x60 [ 23.669855] kasan_save_track+0x18/0x40 [ 23.670294] kasan_save_alloc_info+0x3b/0x50 [ 23.670872] __kasan_kmalloc+0xb7/0xc0 [ 23.671425] __kmalloc_node_track_caller_noprof+0x1c6/0x500 [ 23.672035] kvasprintf+0xc6/0x150 [ 23.672300] __kthread_create_on_node+0x18c/0x3a0 [ 23.673252] kthread_create_on_node+0xa8/0xe0 [ 23.673682] create_worker+0x3c8/0x7a0 [ 23.674118] worker_thread+0x97d/0x1300 [ 23.674587] kthread+0x257/0x310 [ 23.675269] ret_from_fork+0x41/0x80 [ 23.675685] ret_from_fork_asm+0x1a/0x30 [ 23.676296] [ 23.676451] The buggy address belongs to the object at ffff888102699ce0 [ 23.676451] which belongs to the cache kmalloc-16 of size 16 [ 23.677834] The buggy address is located 19 bytes to the right of [ 23.677834] allocated 12-byte region [ffff888102699ce0, ffff888102699cec) [ 23.679130] [ 23.679440] The buggy address belongs to the physical page: [ 23.679841] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102699 [ 23.680703] flags: 0x200000000000000(node=0|zone=2) [ 23.681325] page_type: f5(slab) [ 23.681798] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 23.682550] raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000 [ 23.683662] page dumped because: kasan: bad access detected [ 23.684260] [ 23.684523] Memory state around the buggy address: [ 23.685016] ffff888102699b80: fa fb fc fc 00 02 fc fc 00 05 fc fc 00 02 fc fc [ 23.685567] ffff888102699c00: 00 02 fc fc 00 02 fc fc 00 02 fc fc fa fb fc fc [ 23.686426] >ffff888102699c80: fa fb fc fc fa fb fc fc 00 05 fc fc 00 04 fc fc [ 23.687322] ^ [ 23.687939] ffff888102699d00: 00 07 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.688856] ffff888102699d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.689539] ==================================================================