Date
Dec. 4, 2024, 3:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 39.159297] ================================================================== [ 39.160923] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x204/0x250 [ 39.161997] Read of size 8 at addr fff00000c6646978 by task kunit_try_catch/269 [ 39.162848] [ 39.163252] CPU: 0 UID: 0 PID: 269 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241204 #1 [ 39.165945] Tainted: [B]=BAD_PAGE, [N]=TEST [ 39.166887] Hardware name: linux,dummy-virt (DT) [ 39.167365] Call trace: [ 39.167959] show_stack+0x20/0x38 (C) [ 39.168951] dump_stack_lvl+0x8c/0xd0 [ 39.169606] print_report+0x118/0x5e0 [ 39.170479] kasan_report+0xc8/0x118 [ 39.171181] __asan_report_load8_noabort+0x20/0x30 [ 39.172812] copy_to_kernel_nofault+0x204/0x250 [ 39.173561] copy_to_kernel_nofault_oob+0x158/0x418 [ 39.174375] kunit_try_run_case+0x14c/0x3d0 [ 39.175680] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 39.177391] kthread+0x24c/0x2d0 [ 39.178093] ret_from_fork+0x10/0x20 [ 39.178870] [ 39.179285] Allocated by task 269: [ 39.179905] kasan_save_stack+0x3c/0x68 [ 39.180490] kasan_save_track+0x20/0x40 [ 39.181295] kasan_save_alloc_info+0x40/0x58 [ 39.182084] __kasan_kmalloc+0xd4/0xd8 [ 39.183353] __kmalloc_cache_noprof+0x15c/0x3c0 [ 39.184756] copy_to_kernel_nofault_oob+0xc8/0x418 [ 39.185412] kunit_try_run_case+0x14c/0x3d0 [ 39.186116] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 39.187374] kthread+0x24c/0x2d0 [ 39.188165] ret_from_fork+0x10/0x20 [ 39.188768] [ 39.189249] The buggy address belongs to the object at fff00000c6646900 [ 39.189249] which belongs to the cache kmalloc-128 of size 128 [ 39.191319] The buggy address is located 0 bytes to the right of [ 39.191319] allocated 120-byte region [fff00000c6646900, fff00000c6646978) [ 39.192680] [ 39.192982] The buggy address belongs to the physical page: [ 39.194741] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106646 [ 39.195845] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 39.196488] page_type: f5(slab) [ 39.197175] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 39.198487] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 39.199766] page dumped because: kasan: bad access detected [ 39.200579] [ 39.201066] Memory state around the buggy address: [ 39.201828] fff00000c6646800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 39.203421] fff00000c6646880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 39.204169] >fff00000c6646900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 39.205058] ^ [ 39.207184] fff00000c6646980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 39.208203] fff00000c6646a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 39.209102] ================================================================== [ 39.212007] ================================================================== [ 39.212751] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x8c/0x250 [ 39.213877] Write of size 8 at addr fff00000c6646978 by task kunit_try_catch/269 [ 39.215153] [ 39.215490] CPU: 0 UID: 0 PID: 269 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241204 #1 [ 39.218547] Tainted: [B]=BAD_PAGE, [N]=TEST [ 39.219491] Hardware name: linux,dummy-virt (DT) [ 39.220955] Call trace: [ 39.221492] show_stack+0x20/0x38 (C) [ 39.222609] dump_stack_lvl+0x8c/0xd0 [ 39.223327] print_report+0x118/0x5e0 [ 39.224168] kasan_report+0xc8/0x118 [ 39.224968] kasan_check_range+0x100/0x1a8 [ 39.225615] __kasan_check_write+0x20/0x30 [ 39.226854] copy_to_kernel_nofault+0x8c/0x250 [ 39.227383] copy_to_kernel_nofault_oob+0x1bc/0x418 [ 39.227909] kunit_try_run_case+0x14c/0x3d0 [ 39.228726] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 39.229600] kthread+0x24c/0x2d0 [ 39.230650] ret_from_fork+0x10/0x20 [ 39.231332] [ 39.231778] Allocated by task 269: [ 39.232454] kasan_save_stack+0x3c/0x68 [ 39.233039] kasan_save_track+0x20/0x40 [ 39.234383] kasan_save_alloc_info+0x40/0x58 [ 39.235050] __kasan_kmalloc+0xd4/0xd8 [ 39.235372] __kmalloc_cache_noprof+0x15c/0x3c0 [ 39.235753] copy_to_kernel_nofault_oob+0xc8/0x418 [ 39.236558] kunit_try_run_case+0x14c/0x3d0 [ 39.237487] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 39.238638] kthread+0x24c/0x2d0 [ 39.239074] ret_from_fork+0x10/0x20 [ 39.239763] [ 39.240188] The buggy address belongs to the object at fff00000c6646900 [ 39.240188] which belongs to the cache kmalloc-128 of size 128 [ 39.241908] The buggy address is located 0 bytes to the right of [ 39.241908] allocated 120-byte region [fff00000c6646900, fff00000c6646978) [ 39.243913] [ 39.244933] The buggy address belongs to the physical page: [ 39.245987] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106646 [ 39.247878] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 39.248319] page_type: f5(slab) [ 39.248586] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 39.249074] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 39.249513] page dumped because: kasan: bad access detected [ 39.251919] [ 39.252319] Memory state around the buggy address: [ 39.252991] fff00000c6646800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 39.253891] fff00000c6646880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 39.254783] >fff00000c6646900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 39.256201] ^ [ 39.257143] fff00000c6646980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 39.258580] fff00000c6646a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 39.259917] ==================================================================
[ 30.481565] ================================================================== [ 30.482359] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x99/0x260 [ 30.483156] Write of size 8 at addr ffff888101b00078 by task kunit_try_catch/289 [ 30.484016] [ 30.484331] CPU: 0 UID: 0 PID: 289 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241204 #1 [ 30.485418] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.485814] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 30.486655] Call Trace: [ 30.486938] <TASK> [ 30.487287] dump_stack_lvl+0x73/0xb0 [ 30.487824] print_report+0xd1/0x640 [ 30.488757] ? __virt_addr_valid+0x1db/0x2d0 [ 30.489119] ? kasan_complete_mode_report_info+0x2a/0x200 [ 30.489998] kasan_report+0x102/0x140 [ 30.490766] ? copy_to_kernel_nofault+0x99/0x260 [ 30.491819] ? copy_to_kernel_nofault+0x99/0x260 [ 30.492190] kasan_check_range+0x10c/0x1c0 [ 30.492931] __kasan_check_write+0x18/0x20 [ 30.493597] copy_to_kernel_nofault+0x99/0x260 [ 30.494116] copy_to_kernel_nofault_oob+0x214/0x4e0 [ 30.494799] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 30.495492] ? finish_task_switch.isra.0+0x153/0x700 [ 30.495927] ? __schedule+0xc3e/0x2790 [ 30.496340] ? trace_hardirqs_on+0x37/0xe0 [ 30.497239] ? irqentry_exit+0x2a/0x60 [ 30.497897] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 30.498746] ? __pfx_read_tsc+0x10/0x10 [ 30.499372] ? ktime_get_ts64+0x86/0x230 [ 30.499762] kunit_try_run_case+0x1b3/0x490 [ 30.501123] ? __pfx_kunit_try_run_case+0x10/0x10 [ 30.501898] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 30.502399] ? __kthread_parkme+0x82/0x160 [ 30.502848] ? __kthread_parkme+0x82/0x160 [ 30.503272] ? preempt_count_sub+0x50/0x80 [ 30.503745] ? __pfx_kunit_try_run_case+0x10/0x10 [ 30.504218] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 30.504957] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 30.505405] kthread+0x257/0x310 [ 30.505876] ? __pfx_kthread+0x10/0x10 [ 30.506362] ret_from_fork+0x41/0x80 [ 30.506872] ? __pfx_kthread+0x10/0x10 [ 30.507213] ret_from_fork_asm+0x1a/0x30 [ 30.507649] </TASK> [ 30.508142] [ 30.508380] Allocated by task 289: [ 30.509008] kasan_save_stack+0x3d/0x60 [ 30.509637] kasan_save_track+0x18/0x40 [ 30.510300] kasan_save_alloc_info+0x3b/0x50 [ 30.510847] __kasan_kmalloc+0xb7/0xc0 [ 30.511319] __kmalloc_cache_noprof+0x184/0x410 [ 30.511660] copy_to_kernel_nofault_oob+0xc5/0x4e0 [ 30.511986] kunit_try_run_case+0x1b3/0x490 [ 30.512654] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 30.514014] kthread+0x257/0x310 [ 30.514455] ret_from_fork+0x41/0x80 [ 30.514936] ret_from_fork_asm+0x1a/0x30 [ 30.515430] [ 30.515592] The buggy address belongs to the object at ffff888101b00000 [ 30.515592] which belongs to the cache kmalloc-128 of size 128 [ 30.516276] The buggy address is located 0 bytes to the right of [ 30.516276] allocated 120-byte region [ffff888101b00000, ffff888101b00078) [ 30.518983] [ 30.519280] The buggy address belongs to the physical page: [ 30.520120] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101b00 [ 30.521460] flags: 0x200000000000000(node=0|zone=2) [ 30.522595] page_type: f5(slab) [ 30.523119] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 30.524284] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 30.525896] page dumped because: kasan: bad access detected [ 30.526801] [ 30.526958] Memory state around the buggy address: [ 30.528631] ffff888101afff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.529353] ffff888101afff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.531072] >ffff888101b00000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 30.531565] ^ [ 30.532845] ffff888101b00080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.533922] ffff888101b00100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.534776] ================================================================== [ 30.428122] ================================================================== [ 30.429625] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x225/0x260 [ 30.431131] Read of size 8 at addr ffff888101b00078 by task kunit_try_catch/289 [ 30.432205] [ 30.432730] CPU: 0 UID: 0 PID: 289 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241204 #1 [ 30.433585] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.434123] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 30.434958] Call Trace: [ 30.435561] <TASK> [ 30.435861] dump_stack_lvl+0x73/0xb0 [ 30.436393] print_report+0xd1/0x640 [ 30.436862] ? __virt_addr_valid+0x1db/0x2d0 [ 30.437455] ? kasan_complete_mode_report_info+0x2a/0x200 [ 30.437986] kasan_report+0x102/0x140 [ 30.438432] ? copy_to_kernel_nofault+0x225/0x260 [ 30.438929] ? copy_to_kernel_nofault+0x225/0x260 [ 30.439430] __asan_report_load8_noabort+0x18/0x20 [ 30.440195] copy_to_kernel_nofault+0x225/0x260 [ 30.440837] copy_to_kernel_nofault_oob+0x179/0x4e0 [ 30.441466] ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10 [ 30.442155] ? finish_task_switch.isra.0+0x153/0x700 [ 30.442711] ? __schedule+0xc3e/0x2790 [ 30.443405] ? trace_hardirqs_on+0x37/0xe0 [ 30.443941] ? irqentry_exit+0x2a/0x60 [ 30.444481] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 30.444931] ? __pfx_read_tsc+0x10/0x10 [ 30.445558] ? ktime_get_ts64+0x86/0x230 [ 30.445942] kunit_try_run_case+0x1b3/0x490 [ 30.446571] ? __pfx_kunit_try_run_case+0x10/0x10 [ 30.446989] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 30.448351] ? __kthread_parkme+0x82/0x160 [ 30.449087] ? __kthread_parkme+0x82/0x160 [ 30.449850] ? preempt_count_sub+0x50/0x80 [ 30.450152] ? __pfx_kunit_try_run_case+0x10/0x10 [ 30.450478] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 30.451198] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 30.452281] kthread+0x257/0x310 [ 30.452641] ? __pfx_kthread+0x10/0x10 [ 30.452985] ret_from_fork+0x41/0x80 [ 30.453348] ? __pfx_kthread+0x10/0x10 [ 30.453810] ret_from_fork_asm+0x1a/0x30 [ 30.454149] </TASK> [ 30.454452] [ 30.456173] Allocated by task 289: [ 30.456626] kasan_save_stack+0x3d/0x60 [ 30.457408] kasan_save_track+0x18/0x40 [ 30.457999] kasan_save_alloc_info+0x3b/0x50 [ 30.458921] __kasan_kmalloc+0xb7/0xc0 [ 30.459926] __kmalloc_cache_noprof+0x184/0x410 [ 30.460923] copy_to_kernel_nofault_oob+0xc5/0x4e0 [ 30.461804] kunit_try_run_case+0x1b3/0x490 [ 30.462665] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 30.463813] kthread+0x257/0x310 [ 30.464547] ret_from_fork+0x41/0x80 [ 30.465304] ret_from_fork_asm+0x1a/0x30 [ 30.465878] [ 30.466236] The buggy address belongs to the object at ffff888101b00000 [ 30.466236] which belongs to the cache kmalloc-128 of size 128 [ 30.468541] The buggy address is located 0 bytes to the right of [ 30.468541] allocated 120-byte region [ffff888101b00000, ffff888101b00078) [ 30.470626] [ 30.470959] The buggy address belongs to the physical page: [ 30.472384] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101b00 [ 30.473051] flags: 0x200000000000000(node=0|zone=2) [ 30.473419] page_type: f5(slab) [ 30.473796] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 30.474422] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 30.475065] page dumped because: kasan: bad access detected [ 30.475556] [ 30.475834] Memory state around the buggy address: [ 30.476351] ffff888101afff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.476794] ffff888101afff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.477723] >ffff888101b00000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 30.478432] ^ [ 30.479181] ffff888101b00080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.479791] ffff888101b00100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.480285] ==================================================================