Date
Dec. 5, 2024, 2:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 28.842251] ================================================================== [ 28.843578] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x2ec/0x320 [ 28.844666] Read of size 1 at addr fff00000c5f6079f by task kunit_try_catch/127 [ 28.846255] [ 28.846610] CPU: 1 UID: 0 PID: 127 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241205 #1 [ 28.847942] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.848426] Hardware name: linux,dummy-virt (DT) [ 28.849038] Call trace: [ 28.849487] show_stack+0x20/0x38 (C) [ 28.850102] dump_stack_lvl+0x8c/0xd0 [ 28.850612] print_report+0x118/0x5e0 [ 28.851273] kasan_report+0xc8/0x118 [ 28.851825] __asan_report_load1_noabort+0x20/0x30 [ 28.852515] kmalloc_oob_left+0x2ec/0x320 [ 28.853035] kunit_try_run_case+0x14c/0x3d0 [ 28.853715] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 28.854420] kthread+0x24c/0x2d0 [ 28.855033] ret_from_fork+0x10/0x20 [ 28.855670] [ 28.855996] Allocated by task 28: [ 28.856517] kasan_save_stack+0x3c/0x68 [ 28.857066] kasan_save_track+0x20/0x40 [ 28.857546] kasan_save_alloc_info+0x40/0x58 [ 28.858265] __kasan_kmalloc+0xd4/0xd8 [ 28.858853] __kmalloc_node_track_caller_noprof+0x184/0x4b8 [ 28.859685] kstrdup+0x54/0xc8 [ 28.860224] devtmpfs_work_loop+0x384/0x590 [ 28.860892] devtmpfsd+0x50/0x58 [ 28.861372] kthread+0x24c/0x2d0 [ 28.861921] ret_from_fork+0x10/0x20 [ 28.862443] [ 28.862773] Freed by task 28: [ 28.863366] kasan_save_stack+0x3c/0x68 [ 28.864013] kasan_save_track+0x20/0x40 [ 28.864636] kasan_save_free_info+0x4c/0x78 [ 28.865277] __kasan_slab_free+0x6c/0x98 [ 28.865739] kfree+0x114/0x3c8 [ 28.866340] devtmpfs_work_loop+0x498/0x590 [ 28.866988] devtmpfsd+0x50/0x58 [ 28.867467] kthread+0x24c/0x2d0 [ 28.867937] ret_from_fork+0x10/0x20 [ 28.868581] [ 28.868964] The buggy address belongs to the object at fff00000c5f60780 [ 28.868964] which belongs to the cache kmalloc-16 of size 16 [ 28.870401] The buggy address is located 15 bytes to the right of [ 28.870401] allocated 16-byte region [fff00000c5f60780, fff00000c5f60790) [ 28.871841] [ 28.872379] The buggy address belongs to the physical page: [ 28.873095] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105f60 [ 28.874007] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 28.874817] page_type: f5(slab) [ 28.875317] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 28.876218] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 28.877061] page dumped because: kasan: bad access detected [ 28.877807] [ 28.878267] Memory state around the buggy address: [ 28.878804] fff00000c5f60680: fa fb fc fc fa fb fc fc 00 00 fc fc fa fb fc fc [ 28.879772] fff00000c5f60700: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 28.880616] >fff00000c5f60780: fa fb fc fc 00 07 fc fc fc fc fc fc fc fc fc fc [ 28.881457] ^ [ 28.881987] fff00000c5f60800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.882808] fff00000c5f60880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.883735] ==================================================================
[ 26.385489] ================================================================== [ 26.386523] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x363/0x3c0 [ 26.387209] Read of size 1 at addr ffff888101a5bb9f by task kunit_try_catch/145 [ 26.387602] [ 26.387928] CPU: 0 UID: 0 PID: 145 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241205 #1 [ 26.388962] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.389490] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.390360] Call Trace: [ 26.390844] <TASK> [ 26.391076] dump_stack_lvl+0x73/0xb0 [ 26.391366] print_report+0xd1/0x640 [ 26.392040] ? __virt_addr_valid+0x1db/0x2d0 [ 26.392724] ? kasan_complete_mode_report_info+0x2a/0x200 [ 26.393360] kasan_report+0x102/0x140 [ 26.393958] ? kmalloc_oob_left+0x363/0x3c0 [ 26.394395] ? kmalloc_oob_left+0x363/0x3c0 [ 26.395005] __asan_report_load1_noabort+0x18/0x20 [ 26.395646] kmalloc_oob_left+0x363/0x3c0 [ 26.396380] ? __pfx_kmalloc_oob_left+0x10/0x10 [ 26.396921] ? __schedule+0xc70/0x27e0 [ 26.397410] ? __pfx_read_tsc+0x10/0x10 [ 26.397972] ? ktime_get_ts64+0x86/0x230 [ 26.398508] kunit_try_run_case+0x1b3/0x490 [ 26.398957] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.399598] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 26.400341] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.400873] ? __kthread_parkme+0x82/0x160 [ 26.401551] ? preempt_count_sub+0x50/0x80 [ 26.402111] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.402549] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.403368] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.404124] kthread+0x257/0x310 [ 26.404517] ? __pfx_kthread+0x10/0x10 [ 26.405120] ret_from_fork+0x41/0x80 [ 26.405463] ? __pfx_kthread+0x10/0x10 [ 26.405869] ret_from_fork_asm+0x1a/0x30 [ 26.406593] </TASK> [ 26.406911] [ 26.407238] Allocated by task 1: [ 26.407838] kasan_save_stack+0x3d/0x60 [ 26.408291] kasan_save_track+0x18/0x40 [ 26.408701] kasan_save_alloc_info+0x3b/0x50 [ 26.409338] __kasan_kmalloc+0xb7/0xc0 [ 26.409990] __kmalloc_node_track_caller_noprof+0x1c6/0x500 [ 26.410389] kvasprintf+0xc6/0x150 [ 26.411019] __kthread_create_on_node+0x18c/0x3a0 [ 26.411364] kthread_create_on_node+0xa8/0xe0 [ 26.411931] create_worker+0x3c8/0x7a0 [ 26.412294] alloc_unbound_pwq+0x8ea/0xdb0 [ 26.413038] apply_wqattrs_prepare+0x332/0xd40 [ 26.413320] apply_workqueue_attrs_locked+0x4d/0xa0 [ 26.413961] alloc_workqueue+0xcc4/0x1ad0 [ 26.414336] latency_fsnotify_init+0x1b/0x50 [ 26.414880] do_one_initcall+0xb5/0x370 [ 26.415268] kernel_init_freeable+0x425/0x6f0 [ 26.415932] kernel_init+0x23/0x1e0 [ 26.416364] ret_from_fork+0x41/0x80 [ 26.417062] ret_from_fork_asm+0x1a/0x30 [ 26.417591] [ 26.417969] The buggy address belongs to the object at ffff888101a5bb80 [ 26.417969] which belongs to the cache kmalloc-16 of size 16 [ 26.419033] The buggy address is located 18 bytes to the right of [ 26.419033] allocated 13-byte region [ffff888101a5bb80, ffff888101a5bb8d) [ 26.420472] [ 26.420637] The buggy address belongs to the physical page: [ 26.421312] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101a5b [ 26.422275] flags: 0x200000000000000(node=0|zone=2) [ 26.422941] page_type: f5(slab) [ 26.423397] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 26.424368] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 26.425353] page dumped because: kasan: bad access detected [ 26.426121] [ 26.426392] Memory state around the buggy address: [ 26.427142] ffff888101a5ba80: fa fb fc fc fa fb fc fc fa fb fc fc 00 01 fc fc [ 26.427885] ffff888101a5bb00: fa fb fc fc 00 01 fc fc 00 01 fc fc fa fb fc fc [ 26.428567] >ffff888101a5bb80: 00 05 fc fc 00 07 fc fc fc fc fc fc fc fc fc fc [ 26.429424] ^ [ 26.429891] ffff888101a5bc00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.430807] ffff888101a5bc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.431633] ==================================================================