Date
Dec. 3, 2024, 11:38 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 29.102668] ================================================================== [ 29.104114] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x2ec/0x320 [ 29.104779] Read of size 1 at addr fff00000c631831f by task kunit_try_catch/127 [ 29.105561] [ 29.105938] CPU: 0 UID: 0 PID: 127 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241203 #1 [ 29.107257] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.107784] Hardware name: linux,dummy-virt (DT) [ 29.108455] Call trace: [ 29.108860] show_stack+0x20/0x38 (C) [ 29.109484] dump_stack_lvl+0x8c/0xd0 [ 29.110142] print_report+0x118/0x5e0 [ 29.110831] kasan_report+0xc8/0x118 [ 29.111495] __asan_report_load1_noabort+0x20/0x30 [ 29.112200] kmalloc_oob_left+0x2ec/0x320 [ 29.112773] kunit_try_run_case+0x14c/0x3d0 [ 29.113428] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.114233] kthread+0x24c/0x2d0 [ 29.114902] ret_from_fork+0x10/0x20 [ 29.115728] [ 29.116038] Allocated by task 28: [ 29.116430] kasan_save_stack+0x3c/0x68 [ 29.117031] kasan_save_track+0x20/0x40 [ 29.117916] kasan_save_alloc_info+0x40/0x58 [ 29.118602] __kasan_kmalloc+0xd4/0xd8 [ 29.119131] __kmalloc_node_track_caller_noprof+0x184/0x4b8 [ 29.120047] kstrdup+0x54/0xc8 [ 29.120706] devtmpfs_work_loop+0x384/0x590 [ 29.121360] devtmpfsd+0x50/0x58 [ 29.121896] kthread+0x24c/0x2d0 [ 29.122522] ret_from_fork+0x10/0x20 [ 29.123186] [ 29.123696] Freed by task 28: [ 29.124739] kasan_save_stack+0x3c/0x68 [ 29.125260] kasan_save_track+0x20/0x40 [ 29.125781] kasan_save_free_info+0x4c/0x78 [ 29.126591] __kasan_slab_free+0x6c/0x98 [ 29.127511] kfree+0x114/0x3c8 [ 29.128051] devtmpfs_work_loop+0x498/0x590 [ 29.128547] devtmpfsd+0x50/0x58 [ 29.129177] kthread+0x24c/0x2d0 [ 29.130044] ret_from_fork+0x10/0x20 [ 29.130694] [ 29.130979] The buggy address belongs to the object at fff00000c6318300 [ 29.130979] which belongs to the cache kmalloc-16 of size 16 [ 29.132225] The buggy address is located 15 bytes to the right of [ 29.132225] allocated 16-byte region [fff00000c6318300, fff00000c6318310) [ 29.134155] [ 29.134480] The buggy address belongs to the physical page: [ 29.135921] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106318 [ 29.137097] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 29.138143] page_type: f5(slab) [ 29.139030] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 29.140508] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 29.141418] page dumped because: kasan: bad access detected [ 29.142091] [ 29.143009] Memory state around the buggy address: [ 29.143971] fff00000c6318200: 00 00 fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 29.144690] fff00000c6318280: fa fb fc fc fa fb fc fc 00 02 fc fc 00 02 fc fc [ 29.145376] >fff00000c6318300: fa fb fc fc 00 07 fc fc fc fc fc fc fc fc fc fc [ 29.146072] ^ [ 29.146544] fff00000c6318380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.148145] fff00000c6318400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.149228] ==================================================================
[ 24.709296] ================================================================== [ 24.710384] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x363/0x3c0 [ 24.711229] Read of size 1 at addr ffff88810257337f by task kunit_try_catch/147 [ 24.712301] [ 24.712551] CPU: 1 UID: 0 PID: 147 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241203 #1 [ 24.713176] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.713855] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.715219] Call Trace: [ 24.715433] <TASK> [ 24.716112] dump_stack_lvl+0x73/0xb0 [ 24.716491] print_report+0xd1/0x640 [ 24.716885] ? __virt_addr_valid+0x1db/0x2d0 [ 24.717152] ? kasan_complete_mode_report_info+0x64/0x200 [ 24.718396] kasan_report+0x102/0x140 [ 24.719118] ? kmalloc_oob_left+0x363/0x3c0 [ 24.719482] ? kmalloc_oob_left+0x363/0x3c0 [ 24.720071] __asan_report_load1_noabort+0x18/0x20 [ 24.720387] kmalloc_oob_left+0x363/0x3c0 [ 24.720818] ? __pfx_kmalloc_oob_left+0x10/0x10 [ 24.721228] ? __schedule+0xc3e/0x2790 [ 24.721634] ? __pfx_read_tsc+0x10/0x10 [ 24.722125] ? ktime_get_ts64+0x86/0x230 [ 24.722473] kunit_try_run_case+0x1b3/0x490 [ 24.724000] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.724444] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 24.725256] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.725676] ? __kthread_parkme+0x82/0x160 [ 24.726346] ? preempt_count_sub+0x50/0x80 [ 24.726645] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.727000] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.727478] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.727900] kthread+0x257/0x310 [ 24.728417] ? __pfx_kthread+0x10/0x10 [ 24.729579] ret_from_fork+0x41/0x80 [ 24.730128] ? __pfx_kthread+0x10/0x10 [ 24.730721] ret_from_fork_asm+0x1a/0x30 [ 24.731173] </TASK> [ 24.731567] [ 24.731973] Allocated by task 1: [ 24.732272] kasan_save_stack+0x3d/0x60 [ 24.732948] kasan_save_track+0x18/0x40 [ 24.733358] kasan_save_alloc_info+0x3b/0x50 [ 24.734240] __kasan_kmalloc+0xb7/0xc0 [ 24.735111] __kmalloc_noprof+0x1c4/0x500 [ 24.735550] x509_fabricate_name.isra.0+0x3c2/0x860 [ 24.736184] x509_note_subject+0x9b/0xf0 [ 24.736782] asn1_ber_decoder+0xe1f/0x1c70 [ 24.737180] x509_cert_parse+0x1be/0x830 [ 24.737687] x509_key_preparse+0x68/0x8a0 [ 24.738246] asymmetric_key_preparse+0xb1/0x160 [ 24.739138] __key_create_or_update+0x407/0xc90 [ 24.739568] key_create_or_update+0x17/0x20 [ 24.740152] x509_load_certificate_list+0x174/0x200 [ 24.740708] regulatory_init_db+0xee/0x3a0 [ 24.741318] do_one_initcall+0xb5/0x370 [ 24.741581] kernel_init_freeable+0x425/0x6f0 [ 24.742034] kernel_init+0x23/0x1e0 [ 24.742658] ret_from_fork+0x41/0x80 [ 24.743227] ret_from_fork_asm+0x1a/0x30 [ 24.743749] [ 24.743955] Freed by task 1: [ 24.744502] kasan_save_stack+0x3d/0x60 [ 24.745169] kasan_save_track+0x18/0x40 [ 24.745758] kasan_save_free_info+0x3f/0x60 [ 24.746143] __kasan_slab_free+0x56/0x70 [ 24.746786] kfree+0x123/0x3f0 [ 24.747087] x509_free_certificate.part.0+0xa9/0x140 [ 24.747405] x509_free_certificate+0x17/0x30 [ 24.748989] x509_key_preparse+0x5c9/0x8a0 [ 24.749475] asymmetric_key_preparse+0xb1/0x160 [ 24.750048] __key_create_or_update+0x407/0xc90 [ 24.750517] key_create_or_update+0x17/0x20 [ 24.751041] x509_load_certificate_list+0x174/0x200 [ 24.751721] regulatory_init_db+0xee/0x3a0 [ 24.752330] do_one_initcall+0xb5/0x370 [ 24.752925] kernel_init_freeable+0x425/0x6f0 [ 24.753319] kernel_init+0x23/0x1e0 [ 24.753697] ret_from_fork+0x41/0x80 [ 24.754787] ret_from_fork_asm+0x1a/0x30 [ 24.755409] [ 24.755842] The buggy address belongs to the object at ffff888102573360 [ 24.755842] which belongs to the cache kmalloc-16 of size 16 [ 24.756705] The buggy address is located 15 bytes to the right of [ 24.756705] allocated 16-byte region [ffff888102573360, ffff888102573370) [ 24.757537] [ 24.757813] The buggy address belongs to the physical page: [ 24.758916] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102573 [ 24.760006] flags: 0x200000000000000(node=0|zone=2) [ 24.760378] page_type: f5(slab) [ 24.760628] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 24.761428] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 24.762251] page dumped because: kasan: bad access detected [ 24.763018] [ 24.763240] Memory state around the buggy address: [ 24.763918] ffff888102573200: 00 00 fc fc 00 00 fc fc fa fb fc fc 00 00 fc fc [ 24.764304] ffff888102573280: fa fb fc fc 00 05 fc fc 00 05 fc fc fa fb fc fc [ 24.765225] >ffff888102573300: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 24.766598] ^ [ 24.767455] ffff888102573380: 00 07 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.768363] ffff888102573400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.769032] ==================================================================