Date
Nov. 28, 2024, 2:36 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 37.090424] ================================================================== [ 37.091225] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x8c/0x250 [ 37.091778] Write of size 8 at addr fff00000c641f378 by task kunit_try_catch/269 [ 37.092629] [ 37.093006] CPU: 0 UID: 0 PID: 269 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241128 #1 [ 37.094221] Tainted: [B]=BAD_PAGE, [N]=TEST [ 37.094803] Hardware name: linux,dummy-virt (DT) [ 37.095336] Call trace: [ 37.095766] show_stack+0x20/0x38 (C) [ 37.097339] dump_stack_lvl+0x8c/0xd0 [ 37.098247] print_report+0x118/0x5e0 [ 37.098816] kasan_report+0xc8/0x118 [ 37.099448] kasan_check_range+0x100/0x1a8 [ 37.100046] __kasan_check_write+0x20/0x30 [ 37.100745] copy_to_kernel_nofault+0x8c/0x250 [ 37.101484] copy_to_kernel_nofault_oob+0x1bc/0x418 [ 37.102246] kunit_try_run_case+0x14c/0x3d0 [ 37.102931] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.103650] kthread+0x24c/0x2d0 [ 37.104265] ret_from_fork+0x10/0x20 [ 37.104851] [ 37.105198] Allocated by task 269: [ 37.105833] kasan_save_stack+0x3c/0x68 [ 37.106480] kasan_save_track+0x20/0x40 [ 37.107069] kasan_save_alloc_info+0x40/0x58 [ 37.107727] __kasan_kmalloc+0xd4/0xd8 [ 37.108359] __kmalloc_cache_noprof+0x15c/0x3c0 [ 37.108971] copy_to_kernel_nofault_oob+0xc8/0x418 [ 37.109738] kunit_try_run_case+0x14c/0x3d0 [ 37.110374] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.111086] kthread+0x24c/0x2d0 [ 37.111685] ret_from_fork+0x10/0x20 [ 37.112260] [ 37.112636] The buggy address belongs to the object at fff00000c641f300 [ 37.112636] which belongs to the cache kmalloc-128 of size 128 [ 37.114041] The buggy address is located 0 bytes to the right of [ 37.114041] allocated 120-byte region [fff00000c641f300, fff00000c641f378) [ 37.115270] [ 37.115667] The buggy address belongs to the physical page: [ 37.116372] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10641f [ 37.117206] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 37.118104] page_type: f5(slab) [ 37.118701] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 37.119635] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 37.120584] page dumped because: kasan: bad access detected [ 37.121275] [ 37.121733] Memory state around the buggy address: [ 37.122308] fff00000c641f200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 37.123272] fff00000c641f280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.124079] >fff00000c641f300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 37.124893] ^ [ 37.125757] fff00000c641f380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.126610] fff00000c641f400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.127447] ================================================================== [ 37.050060] ================================================================== [ 37.051159] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x204/0x250 [ 37.051791] Read of size 8 at addr fff00000c641f378 by task kunit_try_catch/269 [ 37.052725] [ 37.053928] CPU: 0 UID: 0 PID: 269 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241128 #1 [ 37.055286] Tainted: [B]=BAD_PAGE, [N]=TEST [ 37.055935] Hardware name: linux,dummy-virt (DT) [ 37.056741] Call trace: [ 37.057454] show_stack+0x20/0x38 (C) [ 37.058103] dump_stack_lvl+0x8c/0xd0 [ 37.058655] print_report+0x118/0x5e0 [ 37.059329] kasan_report+0xc8/0x118 [ 37.059957] __asan_report_load8_noabort+0x20/0x30 [ 37.060573] copy_to_kernel_nofault+0x204/0x250 [ 37.061487] copy_to_kernel_nofault_oob+0x158/0x418 [ 37.062347] kunit_try_run_case+0x14c/0x3d0 [ 37.062958] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.063585] kthread+0x24c/0x2d0 [ 37.064169] ret_from_fork+0x10/0x20 [ 37.064761] [ 37.065068] Allocated by task 269: [ 37.065936] kasan_save_stack+0x3c/0x68 [ 37.066536] kasan_save_track+0x20/0x40 [ 37.067071] kasan_save_alloc_info+0x40/0x58 [ 37.067706] __kasan_kmalloc+0xd4/0xd8 [ 37.068301] __kmalloc_cache_noprof+0x15c/0x3c0 [ 37.068896] copy_to_kernel_nofault_oob+0xc8/0x418 [ 37.070059] kunit_try_run_case+0x14c/0x3d0 [ 37.070559] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.071226] kthread+0x24c/0x2d0 [ 37.071770] ret_from_fork+0x10/0x20 [ 37.072354] [ 37.072700] The buggy address belongs to the object at fff00000c641f300 [ 37.072700] which belongs to the cache kmalloc-128 of size 128 [ 37.073866] The buggy address is located 0 bytes to the right of [ 37.073866] allocated 120-byte region [fff00000c641f300, fff00000c641f378) [ 37.075009] [ 37.075385] The buggy address belongs to the physical page: [ 37.076476] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10641f [ 37.077601] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 37.078377] page_type: f5(slab) [ 37.078799] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 37.079675] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 37.080446] page dumped because: kasan: bad access detected [ 37.081103] [ 37.081622] Memory state around the buggy address: [ 37.082347] fff00000c641f200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 37.083107] fff00000c641f280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.083850] >fff00000c641f300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 37.084708] ^ [ 37.085917] fff00000c641f380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.086698] fff00000c641f400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.087536] ==================================================================
[ 28.511018] ================================================================== [ 28.511654] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x99/0x260 [ 28.512313] Write of size 8 at addr ffff888101b6b278 by task kunit_try_catch/289 [ 28.513233] [ 28.513661] CPU: 1 UID: 0 PID: 289 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241128 #1 [ 28.514819] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.515234] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 28.516145] Call Trace: [ 28.516419] <TASK> [ 28.516681] dump_stack_lvl+0x73/0xb0 [ 28.517062] print_report+0xd1/0x640 [ 28.517426] ? __virt_addr_valid+0x1db/0x2d0 [ 28.517939] ? kasan_complete_mode_report_info+0x2a/0x200 [ 28.518774] kasan_report+0x102/0x140 [ 28.519474] ? copy_to_kernel_nofault+0x99/0x260 [ 28.520135] ? copy_to_kernel_nofault+0x99/0x260 [ 28.521654] kasan_check_range+0x10c/0x1c0 [ 28.522176] __kasan_check_write+0x18/0x20 [ 28.522633] copy_to_kernel_nofault+0x99/0x260 [ 28.523113] copy_to_kernel_nofault_oob+0x214/0x4e0 [ 28.523789] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 28.524485] ? finish_task_switch.isra.0+0x153/0x700 [ 28.525041] ? __schedule+0xc3e/0x2790 [ 28.525365] ? trace_hardirqs_on+0x37/0xe0 [ 28.525928] ? __pfx_read_tsc+0x10/0x10 [ 28.526323] ? ktime_get_ts64+0x84/0x230 [ 28.526845] kunit_try_run_case+0x1b3/0x490 [ 28.527389] ? __pfx_kunit_try_run_case+0x10/0x10 [ 28.527986] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 28.528487] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 28.528938] ? __kthread_parkme+0x82/0x160 [ 28.529612] ? preempt_count_sub+0x50/0x80 [ 28.529919] ? __pfx_kunit_try_run_case+0x10/0x10 [ 28.530619] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 28.531192] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.531764] kthread+0x257/0x310 [ 28.532068] ? __pfx_kthread+0x10/0x10 [ 28.532372] ret_from_fork+0x41/0x80 [ 28.532947] ? __pfx_kthread+0x10/0x10 [ 28.533812] ret_from_fork_asm+0x1a/0x30 [ 28.534207] </TASK> [ 28.534467] [ 28.534951] Allocated by task 289: [ 28.535595] kasan_save_stack+0x3d/0x60 [ 28.536779] kasan_save_track+0x18/0x40 [ 28.537089] kasan_save_alloc_info+0x3b/0x50 [ 28.537736] __kasan_kmalloc+0xb7/0xc0 [ 28.538416] __kmalloc_cache_noprof+0x184/0x410 [ 28.538987] copy_to_kernel_nofault_oob+0xc5/0x4e0 [ 28.539606] kunit_try_run_case+0x1b3/0x490 [ 28.540267] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.540688] kthread+0x257/0x310 [ 28.541112] ret_from_fork+0x41/0x80 [ 28.541794] ret_from_fork_asm+0x1a/0x30 [ 28.542165] [ 28.542667] The buggy address belongs to the object at ffff888101b6b200 [ 28.542667] which belongs to the cache kmalloc-128 of size 128 [ 28.544467] The buggy address is located 0 bytes to the right of [ 28.544467] allocated 120-byte region [ffff888101b6b200, ffff888101b6b278) [ 28.545441] [ 28.545758] The buggy address belongs to the physical page: [ 28.546269] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101b6b [ 28.546953] flags: 0x200000000000000(node=0|zone=2) [ 28.547476] page_type: f5(slab) [ 28.547885] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 28.548557] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 28.549259] page dumped because: kasan: bad access detected [ 28.550262] [ 28.550575] Memory state around the buggy address: [ 28.550906] ffff888101b6b100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.551715] ffff888101b6b180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.552364] >ffff888101b6b200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 28.552970] ^ [ 28.553619] ffff888101b6b280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.554198] ffff888101b6b300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.554846] ================================================================== [ 28.465946] ================================================================== [ 28.467182] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x225/0x260 [ 28.467934] Read of size 8 at addr ffff888101b6b278 by task kunit_try_catch/289 [ 28.468605] [ 28.468814] CPU: 1 UID: 0 PID: 289 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241128 #1 [ 28.469959] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.470527] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 28.471420] Call Trace: [ 28.471625] <TASK> [ 28.471992] dump_stack_lvl+0x73/0xb0 [ 28.473143] print_report+0xd1/0x640 [ 28.473862] ? __virt_addr_valid+0x1db/0x2d0 [ 28.474376] ? kasan_complete_mode_report_info+0x2a/0x200 [ 28.474988] kasan_report+0x102/0x140 [ 28.475561] ? copy_to_kernel_nofault+0x225/0x260 [ 28.476243] ? copy_to_kernel_nofault+0x225/0x260 [ 28.476609] __asan_report_load8_noabort+0x18/0x20 [ 28.477251] copy_to_kernel_nofault+0x225/0x260 [ 28.477662] copy_to_kernel_nofault_oob+0x179/0x4e0 [ 28.478364] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 28.478975] ? finish_task_switch.isra.0+0x153/0x700 [ 28.479634] ? __schedule+0xc3e/0x2790 [ 28.480197] ? trace_hardirqs_on+0x37/0xe0 [ 28.480831] ? __pfx_read_tsc+0x10/0x10 [ 28.481253] ? ktime_get_ts64+0x84/0x230 [ 28.481696] kunit_try_run_case+0x1b3/0x490 [ 28.482227] ? __pfx_kunit_try_run_case+0x10/0x10 [ 28.482821] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 28.483512] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 28.483970] ? __kthread_parkme+0x82/0x160 [ 28.484590] ? preempt_count_sub+0x50/0x80 [ 28.485050] ? __pfx_kunit_try_run_case+0x10/0x10 [ 28.485529] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 28.486326] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.486874] kthread+0x257/0x310 [ 28.487414] ? __pfx_kthread+0x10/0x10 [ 28.487928] ret_from_fork+0x41/0x80 [ 28.488407] ? __pfx_kthread+0x10/0x10 [ 28.488865] ret_from_fork_asm+0x1a/0x30 [ 28.489416] </TASK> [ 28.489795] [ 28.489951] Allocated by task 289: [ 28.490484] kasan_save_stack+0x3d/0x60 [ 28.490799] kasan_save_track+0x18/0x40 [ 28.491416] kasan_save_alloc_info+0x3b/0x50 [ 28.491878] __kasan_kmalloc+0xb7/0xc0 [ 28.492457] __kmalloc_cache_noprof+0x184/0x410 [ 28.492959] copy_to_kernel_nofault_oob+0xc5/0x4e0 [ 28.493476] kunit_try_run_case+0x1b3/0x490 [ 28.494042] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.494621] kthread+0x257/0x310 [ 28.495143] ret_from_fork+0x41/0x80 [ 28.495480] ret_from_fork_asm+0x1a/0x30 [ 28.496002] [ 28.496191] The buggy address belongs to the object at ffff888101b6b200 [ 28.496191] which belongs to the cache kmalloc-128 of size 128 [ 28.497265] The buggy address is located 0 bytes to the right of [ 28.497265] allocated 120-byte region [ffff888101b6b200, ffff888101b6b278) [ 28.498496] [ 28.498759] The buggy address belongs to the physical page: [ 28.499314] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101b6b [ 28.500168] flags: 0x200000000000000(node=0|zone=2) [ 28.500726] page_type: f5(slab) [ 28.501167] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 28.501977] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 28.502823] page dumped because: kasan: bad access detected [ 28.503296] [ 28.503570] Memory state around the buggy address: [ 28.504219] ffff888101b6b100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.504736] ffff888101b6b180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.505495] >ffff888101b6b200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 28.506201] ^ [ 28.506858] ffff888101b6b280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.507628] ffff888101b6b300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.508363] ==================================================================