Date
June 3, 2025, 7:38 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 | |
| x86 |
[ 18.023188] ================================================================== [ 18.023290] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x2ec/0x320 [ 18.026644] Read of size 1 at addr fff00000c4473b1f by task kunit_try_catch/138 [ 18.026901] [ 18.027571] CPU: 1 UID: 0 PID: 138 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250603 #1 PREEMPT [ 18.028598] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.028635] Hardware name: linux,dummy-virt (DT) [ 18.029016] Call trace: [ 18.029043] show_stack+0x20/0x38 (C) [ 18.029099] dump_stack_lvl+0x8c/0xd0 [ 18.030075] print_report+0x118/0x608 [ 18.031243] kasan_report+0xdc/0x128 [ 18.031353] __asan_report_load1_noabort+0x20/0x30 [ 18.031936] kmalloc_oob_left+0x2ec/0x320 [ 18.032014] kunit_try_run_case+0x170/0x3f0 [ 18.032072] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.032886] kthread+0x328/0x630 [ 18.033772] ret_from_fork+0x10/0x20 [ 18.033960] [ 18.034325] Allocated by task 26: [ 18.034879] kasan_save_stack+0x3c/0x68 [ 18.035412] kasan_save_track+0x20/0x40 [ 18.035494] kasan_save_alloc_info+0x40/0x58 [ 18.035530] __kasan_kmalloc+0xd4/0xd8 [ 18.035565] __kmalloc_node_track_caller_noprof+0x194/0x4b8 [ 18.036233] kstrdup+0x54/0xc8 [ 18.036594] devtmpfs_work_loop+0x6f8/0xa58 [ 18.037106] devtmpfsd+0x50/0x58 [ 18.037657] kthread+0x328/0x630 [ 18.038189] ret_from_fork+0x10/0x20 [ 18.038253] [ 18.038324] Freed by task 26: [ 18.038673] kasan_save_stack+0x3c/0x68 [ 18.039254] kasan_save_track+0x20/0x40 [ 18.039482] kasan_save_free_info+0x4c/0x78 [ 18.039525] __kasan_slab_free+0x6c/0x98 [ 18.039561] kfree+0x214/0x3c8 [ 18.039594] devtmpfs_work_loop+0x804/0xa58 [ 18.039630] devtmpfsd+0x50/0x58 [ 18.039663] kthread+0x328/0x630 [ 18.040609] ret_from_fork+0x10/0x20 [ 18.041355] [ 18.041523] The buggy address belongs to the object at fff00000c4473b00 [ 18.041523] which belongs to the cache kmalloc-16 of size 16 [ 18.042334] The buggy address is located 15 bytes to the right of [ 18.042334] allocated 16-byte region [fff00000c4473b00, fff00000c4473b10) [ 18.043010] [ 18.043157] The buggy address belongs to the physical page: [ 18.043371] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104473 [ 18.043438] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.043492] page_type: f5(slab) [ 18.043534] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 18.044366] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 18.044473] page dumped because: kasan: bad access detected [ 18.044642] [ 18.045043] Memory state around the buggy address: [ 18.045394] fff00000c4473a00: fa fb fc fc fa fb fc fc 00 02 fc fc fa fb fc fc [ 18.045751] fff00000c4473a80: fa fb fc fc 00 01 fc fc fa fb fc fc fa fb fc fc [ 18.046558] >fff00000c4473b00: fa fb fc fc 00 07 fc fc fc fc fc fc fc fc fc fc [ 18.046838] ^ [ 18.047007] fff00000c4473b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.047517] fff00000c4473c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.047930] ==================================================================
[ 13.492406] ================================================================== [ 13.493114] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x361/0x3c0 [ 13.493347] Read of size 1 at addr ffff888101c205df by task kunit_try_catch/155 [ 13.493524] [ 13.493769] CPU: 1 UID: 0 PID: 155 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250603 #1 PREEMPT(voluntary) [ 13.494012] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.494036] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.494062] Call Trace: [ 13.494081] <TASK> [ 13.494106] dump_stack_lvl+0x73/0xb0 [ 13.494144] print_report+0xd1/0x650 [ 13.494169] ? __virt_addr_valid+0x1db/0x2d0 [ 13.494196] ? kmalloc_oob_left+0x361/0x3c0 [ 13.494231] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.494255] ? kmalloc_oob_left+0x361/0x3c0 [ 13.494277] kasan_report+0x141/0x180 [ 13.494300] ? kmalloc_oob_left+0x361/0x3c0 [ 13.494380] __asan_report_load1_noabort+0x18/0x20 [ 13.494434] kmalloc_oob_left+0x361/0x3c0 [ 13.494501] ? __pfx_kmalloc_oob_left+0x10/0x10 [ 13.494538] ? __schedule+0x10cc/0x2b60 [ 13.494581] ? __pfx_read_tsc+0x10/0x10 [ 13.494606] ? ktime_get_ts64+0x86/0x230 [ 13.494634] kunit_try_run_case+0x1a5/0x480 [ 13.494660] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.494752] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.494786] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.494812] ? __kthread_parkme+0x82/0x180 [ 13.494835] ? preempt_count_sub+0x50/0x80 [ 13.494862] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.494884] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.494947] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.494973] kthread+0x337/0x6f0 [ 13.495009] ? trace_preempt_on+0x20/0xc0 [ 13.495036] ? __pfx_kthread+0x10/0x10 [ 13.495089] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.495113] ? calculate_sigpending+0x7b/0xa0 [ 13.495159] ? __pfx_kthread+0x10/0x10 [ 13.495183] ret_from_fork+0x116/0x1d0 [ 13.495222] ? __pfx_kthread+0x10/0x10 [ 13.495267] ret_from_fork_asm+0x1a/0x30 [ 13.495302] </TASK> [ 13.495316] [ 13.505578] Allocated by task 25: [ 13.506022] kasan_save_stack+0x45/0x70 [ 13.506363] kasan_save_track+0x18/0x40 [ 13.506652] kasan_save_alloc_info+0x3b/0x50 [ 13.507372] __kasan_kmalloc+0xb7/0xc0 [ 13.507674] __kmalloc_node_track_caller_noprof+0x1cb/0x500 [ 13.508057] kvasprintf+0xc5/0x150 [ 13.508188] __kthread_create_on_node+0x18b/0x3a0 [ 13.508606] kthread_create_on_node+0xab/0xe0 [ 13.509028] create_worker+0x3e5/0x7b0 [ 13.509282] worker_thread+0x992/0x1220 [ 13.509538] kthread+0x337/0x6f0 [ 13.510093] ret_from_fork+0x116/0x1d0 [ 13.510428] ret_from_fork_asm+0x1a/0x30 [ 13.510604] [ 13.510784] The buggy address belongs to the object at ffff888101c205c0 [ 13.510784] which belongs to the cache kmalloc-16 of size 16 [ 13.511376] The buggy address is located 18 bytes to the right of [ 13.511376] allocated 13-byte region [ffff888101c205c0, ffff888101c205cd) [ 13.512871] [ 13.513042] The buggy address belongs to the physical page: [ 13.513845] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101c20 [ 13.514700] flags: 0x200000000000000(node=0|zone=2) [ 13.515202] page_type: f5(slab) [ 13.515484] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 13.515690] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 13.516126] page dumped because: kasan: bad access detected [ 13.516556] [ 13.516914] Memory state around the buggy address: [ 13.517503] ffff888101c20480: 00 01 fc fc fa fb fc fc 00 01 fc fc 00 01 fc fc [ 13.517917] ffff888101c20500: fa fb fc fc fa fb fc fc fa fb fc fc 00 01 fc fc [ 13.518567] >ffff888101c20580: 00 01 fc fc fa fb fc fc 00 05 fc fc 00 07 fc fc [ 13.519479] ^ [ 13.519856] ffff888101c20600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.520173] ffff888101c20680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.520603] ==================================================================
[ 17.757970] ================================================================== [ 17.768960] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x361/0x3c0 [ 17.775841] Read of size 1 at addr ffff888100aa545f by task kunit_try_catch/178 [ 17.783155] [ 17.784656] CPU: 1 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G S B N 6.15.0-next-20250603 #1 PREEMPT(voluntary) [ 17.784664] Tainted: [S]=CPU_OUT_OF_SPEC, [B]=BAD_PAGE, [N]=TEST [ 17.784667] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.7 12/07/2021 [ 17.784670] Call Trace: [ 17.784672] <TASK> [ 17.784674] dump_stack_lvl+0x73/0xb0 [ 17.784678] print_report+0xd1/0x650 [ 17.784682] ? __virt_addr_valid+0x1db/0x2d0 [ 17.784686] ? kmalloc_oob_left+0x361/0x3c0 [ 17.784690] ? kasan_complete_mode_report_info+0x2a/0x200 [ 17.784694] ? kmalloc_oob_left+0x361/0x3c0 [ 17.784698] kasan_report+0x141/0x180 [ 17.784702] ? kmalloc_oob_left+0x361/0x3c0 [ 17.784707] __asan_report_load1_noabort+0x18/0x20 [ 17.784710] kmalloc_oob_left+0x361/0x3c0 [ 17.784714] ? __pfx_kmalloc_oob_left+0x10/0x10 [ 17.784719] ? __schedule+0x10cc/0x2b60 [ 17.784723] ? ktime_get_ts64+0x83/0x230 [ 17.784727] kunit_try_run_case+0x1a2/0x480 [ 17.784731] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.784734] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 17.784739] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 17.784744] ? __kthread_parkme+0x82/0x180 [ 17.784747] ? preempt_count_sub+0x50/0x80 [ 17.784751] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.784755] kunit_generic_run_threadfn_adapter+0x82/0xf0 [ 17.784759] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 17.784764] kthread+0x334/0x6f0 [ 17.784767] ? trace_preempt_on+0x20/0xc0 [ 17.784771] ? __pfx_kthread+0x10/0x10 [ 17.784775] ? _raw_spin_unlock_irq+0x47/0x80 [ 17.784779] ? calculate_sigpending+0x7b/0xa0 [ 17.784784] ? __pfx_kthread+0x10/0x10 [ 17.784787] ret_from_fork+0x113/0x1d0 [ 17.784791] ? __pfx_kthread+0x10/0x10 [ 17.784794] ret_from_fork_asm+0x1a/0x30 [ 17.784800] </TASK> [ 17.784801] [ 17.950054] Allocated by task 25: [ 17.953397] kasan_save_stack+0x45/0x70 [ 17.957250] kasan_save_track+0x18/0x40 [ 17.961086] kasan_save_alloc_info+0x3b/0x50 [ 17.965384] __kasan_kmalloc+0xb7/0xc0 [ 17.969156] __kmalloc_node_track_caller_noprof+0x1cb/0x500 [ 17.974730] kvasprintf+0xc5/0x150 [ 17.978142] __kthread_create_on_node+0x18b/0x3a0 [ 17.982848] kthread_create_on_node+0xab/0xe0 [ 17.987208] create_worker+0x3e5/0x7b0 [ 17.990960] worker_thread+0x992/0x1220 [ 17.994801] kthread+0x334/0x6f0 [ 17.998035] ret_from_fork+0x113/0x1d0 [ 18.001785] ret_from_fork_asm+0x1a/0x30 [ 18.005712] [ 18.007210] The buggy address belongs to the object at ffff888100aa5440 [ 18.007210] which belongs to the cache kmalloc-16 of size 16 [ 18.019543] The buggy address is located 18 bytes to the right of [ 18.019543] allocated 13-byte region [ffff888100aa5440, ffff888100aa544d) [ 18.032492] [ 18.033989] The buggy address belongs to the physical page: [ 18.039564] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x100aa5 [ 18.047570] flags: 0x200000000000000(node=0|zone=2) [ 18.052451] page_type: f5(slab) [ 18.055598] raw: 0200000000000000 ffff888100042640 dead000000000122 0000000000000000 [ 18.063345] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 18.071119] page dumped because: kasan: bad access detected [ 18.076691] [ 18.078190] Memory state around the buggy address: [ 18.082982] ffff888100aa5300: fa fb fc fc fa fb fc fc fa fb fc fc 00 00 fc fc [ 18.090204] ffff888100aa5380: fa fb fc fc fa fb fc fc 00 06 fc fc 00 06 fc fc [ 18.097429] >ffff888100aa5400: 00 06 fc fc 00 00 fc fc 00 05 fc fc 00 07 fc fc [ 18.104649] ^ [ 18.110743] ffff888100aa5480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.117969] ffff888100aa5500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.125190] ==================================================================