Date
June 2, 2025, 2:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.037414] ================================================================== [ 19.038054] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x308/0x340 [ 19.038757] Read of size 1 at addr fff00000c64513bf by task kunit_try_catch/127 [ 19.039311] [ 19.039628] CPU: 1 UID: 0 PID: 127 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 19.039841] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.039910] Hardware name: linux,dummy-virt (DT) [ 19.039986] Call trace: [ 19.040045] dump_backtrace+0x9c/0x128 [ 19.040159] show_stack+0x20/0x38 [ 19.040264] dump_stack_lvl+0x8c/0xd0 [ 19.040357] print_report+0x118/0x5f0 [ 19.040445] kasan_report+0xdc/0x128 [ 19.040535] __asan_report_load1_noabort+0x20/0x30 [ 19.040644] kmalloc_oob_left+0x308/0x340 [ 19.040748] kunit_try_run_case+0x170/0x3f0 [ 19.040828] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.040881] kthread+0x24c/0x2d0 [ 19.040925] ret_from_fork+0x10/0x20 [ 19.040973] [ 19.046341] Allocated by task 1: [ 19.046829] kasan_save_stack+0x3c/0x68 [ 19.047367] kasan_save_track+0x20/0x40 [ 19.047995] kasan_save_alloc_info+0x40/0x58 [ 19.048661] __kasan_kmalloc+0xd4/0xd8 [ 19.049113] __kmalloc_node_track_caller_noprof+0x194/0x438 [ 19.049648] kvasprintf+0xe0/0x180 [ 19.050090] __kthread_create_on_node+0x16c/0x348 [ 19.050573] kthread_create_on_node+0xe4/0x130 [ 19.050973] create_worker+0x380/0x6b8 [ 19.051807] alloc_unbound_pwq+0x62c/0x778 [ 19.052456] apply_wqattrs_prepare+0x1a0/0x6e0 [ 19.052912] apply_workqueue_attrs_locked+0x58/0xb8 [ 19.053591] alloc_workqueue+0x9ac/0x1440 [ 19.054160] latency_fsnotify_init+0x28/0x60 [ 19.054774] do_one_initcall+0xd0/0x608 [ 19.055623] kernel_init_freeable+0x3e0/0x8a0 [ 19.056010] kernel_init+0x2c/0x1f8 [ 19.056387] ret_from_fork+0x10/0x20 [ 19.057002] [ 19.057289] The buggy address belongs to the object at fff00000c64513a0 [ 19.057289] which belongs to the cache kmalloc-16 of size 16 [ 19.058216] The buggy address is located 18 bytes to the right of [ 19.058216] allocated 13-byte region [fff00000c64513a0, fff00000c64513ad) [ 19.059138] [ 19.059475] The buggy address belongs to the physical page: [ 19.060026] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106451 [ 19.060600] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.061099] page_type: f5(slab) [ 19.062854] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 19.063387] raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000 [ 19.064141] page dumped because: kasan: bad access detected [ 19.064596] [ 19.064877] Memory state around the buggy address: [ 19.065404] fff00000c6451280: 00 00 fc fc 00 06 fc fc 00 06 fc fc 00 00 fc fc [ 19.066504] fff00000c6451300: 00 02 fc fc 00 02 fc fc 00 06 fc fc 00 06 fc fc [ 19.066911] >fff00000c6451380: fa fb fc fc 00 05 fc fc 00 07 fc fc fc fc fc fc [ 19.067304] ^ [ 19.067629] fff00000c6451400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.067993] fff00000c6451480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.069118] ==================================================================
[ 11.370701] ================================================================== [ 11.371145] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x363/0x3c0 [ 11.371668] Read of size 1 at addr ffff8881024e40ff by task kunit_try_catch/145 [ 11.371963] [ 11.372245] CPU: 0 UID: 0 PID: 145 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 11.372333] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.372358] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.372398] Call Trace: [ 11.372426] <TASK> [ 11.372461] dump_stack_lvl+0x73/0xb0 [ 11.372522] print_report+0xd1/0x640 [ 11.372568] ? __virt_addr_valid+0x1db/0x2d0 [ 11.372614] ? kmalloc_oob_left+0x363/0x3c0 [ 11.372649] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.372698] ? kmalloc_oob_left+0x363/0x3c0 [ 11.372735] kasan_report+0x140/0x180 [ 11.372776] ? kmalloc_oob_left+0x363/0x3c0 [ 11.373290] __asan_report_load1_noabort+0x18/0x20 [ 11.373345] kmalloc_oob_left+0x363/0x3c0 [ 11.373369] ? __pfx_kmalloc_oob_left+0x10/0x10 [ 11.373391] ? __schedule+0xc49/0x27a0 [ 11.373413] ? __pfx_read_tsc+0x10/0x10 [ 11.373432] ? ktime_get_ts64+0x84/0x230 [ 11.373458] kunit_try_run_case+0x1a6/0x480 [ 11.373480] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.373498] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 11.373518] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.373542] ? __kthread_parkme+0x82/0x160 [ 11.373561] ? preempt_count_sub+0x50/0x80 [ 11.373583] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.373602] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.373627] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.373651] kthread+0x257/0x310 [ 11.373691] ? __pfx_kthread+0x10/0x10 [ 11.373709] ret_from_fork+0x41/0x80 [ 11.373728] ? __pfx_kthread+0x10/0x10 [ 11.373746] ret_from_fork_asm+0x1a/0x30 [ 11.373775] </TASK> [ 11.373788] [ 11.382772] Allocated by task 1: [ 11.383015] kasan_save_stack+0x45/0x70 [ 11.383480] kasan_save_track+0x18/0x40 [ 11.383649] kasan_save_alloc_info+0x3b/0x50 [ 11.383820] __kasan_kmalloc+0xb7/0xc0 [ 11.383970] __kmalloc_node_track_caller_noprof+0x1ee/0x460 [ 11.384731] kvasprintf+0xc6/0x150 [ 11.385144] __kthread_create_on_node+0x18c/0x3a0 [ 11.385725] kthread_create_on_node+0xac/0xe0 [ 11.386822] create_worker+0x3e7/0x7b0 [ 11.388067] alloc_unbound_pwq+0x8ea/0xdb0 [ 11.388261] apply_wqattrs_prepare+0x332/0xd20 [ 11.388411] apply_workqueue_attrs_locked+0x4d/0xa0 [ 11.388575] alloc_workqueue+0xcc8/0x1ad0 [ 11.389382] latency_fsnotify_init+0x1b/0x50 [ 11.390322] do_one_initcall+0xd9/0x370 [ 11.390704] kernel_init_freeable+0x425/0x6f0 [ 11.391410] kernel_init+0x23/0x1e0 [ 11.391703] ret_from_fork+0x41/0x80 [ 11.391974] ret_from_fork_asm+0x1a/0x30 [ 11.392261] [ 11.392400] The buggy address belongs to the object at ffff8881024e40e0 [ 11.392400] which belongs to the cache kmalloc-16 of size 16 [ 11.393473] The buggy address is located 18 bytes to the right of [ 11.393473] allocated 13-byte region [ffff8881024e40e0, ffff8881024e40ed) [ 11.394548] [ 11.394760] The buggy address belongs to the physical page: [ 11.394975] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1024e4 [ 11.395797] flags: 0x200000000000000(node=0|zone=2) [ 11.396308] page_type: f5(slab) [ 11.396492] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 11.396927] raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000 [ 11.397557] page dumped because: kasan: bad access detected [ 11.397871] [ 11.398043] Memory state around the buggy address: [ 11.398528] ffff8881024e3f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.399375] ffff8881024e4000: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 11.399764] >ffff8881024e4080: fa fb fc fc 00 03 fc fc 00 03 fc fc 00 05 fc fc [ 11.400315] ^ [ 11.400688] ffff8881024e4100: 00 07 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.401313] ffff8881024e4180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.401700] ==================================================================