Date
July 1, 2025, 3:08 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.186580] ================================================================== [ 20.186638] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x3c/0x2a0 [ 20.187211] Write of size 121 at addr fff00000c57ee700 by task kunit_try_catch/286 [ 20.187381] [ 20.187417] CPU: 0 UID: 0 PID: 286 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 20.187535] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.187645] Hardware name: linux,dummy-virt (DT) [ 20.187680] Call trace: [ 20.187706] show_stack+0x20/0x38 (C) [ 20.187757] dump_stack_lvl+0x8c/0xd0 [ 20.188045] print_report+0x118/0x608 [ 20.188115] kasan_report+0xdc/0x128 [ 20.188165] kasan_check_range+0x100/0x1a8 [ 20.188265] __kasan_check_write+0x20/0x30 [ 20.188319] strncpy_from_user+0x3c/0x2a0 [ 20.188707] copy_user_test_oob+0x5c0/0xec8 [ 20.188783] kunit_try_run_case+0x170/0x3f0 [ 20.188841] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.189051] kthread+0x328/0x630 [ 20.189113] ret_from_fork+0x10/0x20 [ 20.189164] [ 20.189184] Allocated by task 286: [ 20.189376] kasan_save_stack+0x3c/0x68 [ 20.189478] kasan_save_track+0x20/0x40 [ 20.189860] kasan_save_alloc_info+0x40/0x58 [ 20.190004] __kasan_kmalloc+0xd4/0xd8 [ 20.190265] __kmalloc_noprof+0x198/0x4c8 [ 20.190491] kunit_kmalloc_array+0x34/0x88 [ 20.190756] copy_user_test_oob+0xac/0xec8 [ 20.190840] kunit_try_run_case+0x170/0x3f0 [ 20.191194] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.191348] kthread+0x328/0x630 [ 20.191537] ret_from_fork+0x10/0x20 [ 20.191741] [ 20.191789] The buggy address belongs to the object at fff00000c57ee700 [ 20.191789] which belongs to the cache kmalloc-128 of size 128 [ 20.191983] The buggy address is located 0 bytes inside of [ 20.191983] allocated 120-byte region [fff00000c57ee700, fff00000c57ee778) [ 20.192208] [ 20.192391] The buggy address belongs to the physical page: [ 20.192440] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1057ee [ 20.192714] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.192872] page_type: f5(slab) [ 20.193054] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 20.193498] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 20.194033] page dumped because: kasan: bad access detected [ 20.194089] [ 20.194146] Memory state around the buggy address: [ 20.194362] fff00000c57ee600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 20.194589] fff00000c57ee680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.194644] >fff00000c57ee700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 20.194959] ^ [ 20.195257] fff00000c57ee780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.195514] fff00000c57ee800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.195810] ================================================================== [ 20.197799] ================================================================== [ 20.198002] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x270/0x2a0 [ 20.198058] Write of size 1 at addr fff00000c57ee778 by task kunit_try_catch/286 [ 20.198110] [ 20.198170] CPU: 0 UID: 0 PID: 286 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 20.198256] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.198294] Hardware name: linux,dummy-virt (DT) [ 20.198327] Call trace: [ 20.198350] show_stack+0x20/0x38 (C) [ 20.198405] dump_stack_lvl+0x8c/0xd0 [ 20.198477] print_report+0x118/0x608 [ 20.198527] kasan_report+0xdc/0x128 [ 20.198586] __asan_report_store1_noabort+0x20/0x30 [ 20.198636] strncpy_from_user+0x270/0x2a0 [ 20.198703] copy_user_test_oob+0x5c0/0xec8 [ 20.198757] kunit_try_run_case+0x170/0x3f0 [ 20.198820] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.198876] kthread+0x328/0x630 [ 20.198917] ret_from_fork+0x10/0x20 [ 20.198990] [ 20.199019] Allocated by task 286: [ 20.199055] kasan_save_stack+0x3c/0x68 [ 20.199121] kasan_save_track+0x20/0x40 [ 20.199162] kasan_save_alloc_info+0x40/0x58 [ 20.199203] __kasan_kmalloc+0xd4/0xd8 [ 20.199245] __kmalloc_noprof+0x198/0x4c8 [ 20.199285] kunit_kmalloc_array+0x34/0x88 [ 20.199339] copy_user_test_oob+0xac/0xec8 [ 20.199388] kunit_try_run_case+0x170/0x3f0 [ 20.199436] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.199483] kthread+0x328/0x630 [ 20.199516] ret_from_fork+0x10/0x20 [ 20.199554] [ 20.199801] The buggy address belongs to the object at fff00000c57ee700 [ 20.199801] which belongs to the cache kmalloc-128 of size 128 [ 20.200554] The buggy address is located 0 bytes to the right of [ 20.200554] allocated 120-byte region [fff00000c57ee700, fff00000c57ee778) [ 20.200665] [ 20.200717] The buggy address belongs to the physical page: [ 20.200751] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1057ee [ 20.201006] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.201098] page_type: f5(slab) [ 20.201374] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 20.201848] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 20.201914] page dumped because: kasan: bad access detected [ 20.201958] [ 20.201978] Memory state around the buggy address: [ 20.202014] fff00000c57ee600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 20.202062] fff00000c57ee680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.202110] >fff00000c57ee700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 20.202152] ^ [ 20.202196] fff00000c57ee780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.202242] fff00000c57ee800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.202284] ==================================================================
[ 15.582845] ================================================================== [ 15.583237] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x2e/0x1d0 [ 15.583747] Write of size 121 at addr ffff8881027e1800 by task kunit_try_catch/302 [ 15.583982] [ 15.584086] CPU: 1 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 15.584131] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.584149] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 15.584173] Call Trace: [ 15.584192] <TASK> [ 15.584211] dump_stack_lvl+0x73/0xb0 [ 15.584240] print_report+0xd1/0x650 [ 15.584263] ? __virt_addr_valid+0x1db/0x2d0 [ 15.584287] ? strncpy_from_user+0x2e/0x1d0 [ 15.584311] ? kasan_complete_mode_report_info+0x2a/0x200 [ 15.584335] ? strncpy_from_user+0x2e/0x1d0 [ 15.584359] kasan_report+0x141/0x180 [ 15.584381] ? strncpy_from_user+0x2e/0x1d0 [ 15.584409] kasan_check_range+0x10c/0x1c0 [ 15.584467] __kasan_check_write+0x18/0x20 [ 15.584488] strncpy_from_user+0x2e/0x1d0 [ 15.584542] copy_user_test_oob+0x760/0x10f0 [ 15.584569] ? __pfx_copy_user_test_oob+0x10/0x10 [ 15.584607] ? finish_task_switch.isra.0+0x153/0x700 [ 15.584631] ? __switch_to+0x47/0xf50 [ 15.584672] ? __schedule+0x10cc/0x2b60 [ 15.584709] ? __pfx_read_tsc+0x10/0x10 [ 15.584743] ? ktime_get_ts64+0x86/0x230 [ 15.584801] kunit_try_run_case+0x1a5/0x480 [ 15.584825] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.584860] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 15.584884] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 15.584908] ? __kthread_parkme+0x82/0x180 [ 15.584928] ? preempt_count_sub+0x50/0x80 [ 15.584951] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.584976] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.584999] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 15.585032] kthread+0x337/0x6f0 [ 15.585051] ? trace_preempt_on+0x20/0xc0 [ 15.585076] ? __pfx_kthread+0x10/0x10 [ 15.585098] ? _raw_spin_unlock_irq+0x47/0x80 [ 15.585119] ? calculate_sigpending+0x7b/0xa0 [ 15.585144] ? __pfx_kthread+0x10/0x10 [ 15.585166] ret_from_fork+0x116/0x1d0 [ 15.585184] ? __pfx_kthread+0x10/0x10 [ 15.585206] ret_from_fork_asm+0x1a/0x30 [ 15.585236] </TASK> [ 15.585248] [ 15.593840] Allocated by task 302: [ 15.593986] kasan_save_stack+0x45/0x70 [ 15.594152] kasan_save_track+0x18/0x40 [ 15.594429] kasan_save_alloc_info+0x3b/0x50 [ 15.594708] __kasan_kmalloc+0xb7/0xc0 [ 15.594916] __kmalloc_noprof+0x1c9/0x500 [ 15.595157] kunit_kmalloc_array+0x25/0x60 [ 15.595450] copy_user_test_oob+0xab/0x10f0 [ 15.595792] kunit_try_run_case+0x1a5/0x480 [ 15.596048] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.596270] kthread+0x337/0x6f0 [ 15.596390] ret_from_fork+0x116/0x1d0 [ 15.596559] ret_from_fork_asm+0x1a/0x30 [ 15.596886] [ 15.597039] The buggy address belongs to the object at ffff8881027e1800 [ 15.597039] which belongs to the cache kmalloc-128 of size 128 [ 15.597565] The buggy address is located 0 bytes inside of [ 15.597565] allocated 120-byte region [ffff8881027e1800, ffff8881027e1878) [ 15.598134] [ 15.598244] The buggy address belongs to the physical page: [ 15.598540] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027e1 [ 15.598963] flags: 0x200000000000000(node=0|zone=2) [ 15.599251] page_type: f5(slab) [ 15.599438] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 15.599827] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.600309] page dumped because: kasan: bad access detected [ 15.600660] [ 15.600780] Memory state around the buggy address: [ 15.601003] ffff8881027e1700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.601320] ffff8881027e1780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.601624] >ffff8881027e1800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.601835] ^ [ 15.602055] ffff8881027e1880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.602384] ffff8881027e1900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.602835] ================================================================== [ 15.603932] ================================================================== [ 15.604382] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x1a5/0x1d0 [ 15.604816] Write of size 1 at addr ffff8881027e1878 by task kunit_try_catch/302 [ 15.605186] [ 15.605308] CPU: 1 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 15.605384] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.605414] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 15.605448] Call Trace: [ 15.605469] <TASK> [ 15.605490] dump_stack_lvl+0x73/0xb0 [ 15.605519] print_report+0xd1/0x650 [ 15.605543] ? __virt_addr_valid+0x1db/0x2d0 [ 15.605569] ? strncpy_from_user+0x1a5/0x1d0 [ 15.605619] ? kasan_complete_mode_report_info+0x2a/0x200 [ 15.605651] ? strncpy_from_user+0x1a5/0x1d0 [ 15.605674] kasan_report+0x141/0x180 [ 15.605735] ? strncpy_from_user+0x1a5/0x1d0 [ 15.605764] __asan_report_store1_noabort+0x1b/0x30 [ 15.605796] strncpy_from_user+0x1a5/0x1d0 [ 15.605822] copy_user_test_oob+0x760/0x10f0 [ 15.605849] ? __pfx_copy_user_test_oob+0x10/0x10 [ 15.605872] ? finish_task_switch.isra.0+0x153/0x700 [ 15.605921] ? __switch_to+0x47/0xf50 [ 15.605947] ? __schedule+0x10cc/0x2b60 [ 15.605996] ? __pfx_read_tsc+0x10/0x10 [ 15.606018] ? ktime_get_ts64+0x86/0x230 [ 15.606052] kunit_try_run_case+0x1a5/0x480 [ 15.606075] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.606098] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 15.606122] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 15.606145] ? __kthread_parkme+0x82/0x180 [ 15.606191] ? preempt_count_sub+0x50/0x80 [ 15.606215] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.606267] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.606315] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 15.606338] kthread+0x337/0x6f0 [ 15.606359] ? trace_preempt_on+0x20/0xc0 [ 15.606394] ? __pfx_kthread+0x10/0x10 [ 15.606416] ? _raw_spin_unlock_irq+0x47/0x80 [ 15.606437] ? calculate_sigpending+0x7b/0xa0 [ 15.606462] ? __pfx_kthread+0x10/0x10 [ 15.606484] ret_from_fork+0x116/0x1d0 [ 15.606527] ? __pfx_kthread+0x10/0x10 [ 15.606549] ret_from_fork_asm+0x1a/0x30 [ 15.606608] </TASK> [ 15.606640] [ 15.614371] Allocated by task 302: [ 15.614592] kasan_save_stack+0x45/0x70 [ 15.614837] kasan_save_track+0x18/0x40 [ 15.615046] kasan_save_alloc_info+0x3b/0x50 [ 15.615303] __kasan_kmalloc+0xb7/0xc0 [ 15.615506] __kmalloc_noprof+0x1c9/0x500 [ 15.615780] kunit_kmalloc_array+0x25/0x60 [ 15.615986] copy_user_test_oob+0xab/0x10f0 [ 15.616230] kunit_try_run_case+0x1a5/0x480 [ 15.616456] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.616731] kthread+0x337/0x6f0 [ 15.616936] ret_from_fork+0x116/0x1d0 [ 15.617272] ret_from_fork_asm+0x1a/0x30 [ 15.617516] [ 15.617634] The buggy address belongs to the object at ffff8881027e1800 [ 15.617634] which belongs to the cache kmalloc-128 of size 128 [ 15.618130] The buggy address is located 0 bytes to the right of [ 15.618130] allocated 120-byte region [ffff8881027e1800, ffff8881027e1878) [ 15.618672] [ 15.618789] The buggy address belongs to the physical page: [ 15.619070] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027e1 [ 15.619417] flags: 0x200000000000000(node=0|zone=2) [ 15.619644] page_type: f5(slab) [ 15.619813] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 15.620139] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.620375] page dumped because: kasan: bad access detected [ 15.620549] [ 15.620646] Memory state around the buggy address: [ 15.620874] ffff8881027e1700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.621249] ffff8881027e1780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.621612] >ffff8881027e1800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.621961] ^ [ 15.622284] ffff8881027e1880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.622629] ffff8881027e1900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.622937] ==================================================================