Date
Nov. 22, 2024, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 32.117761] ================================================================== [ 32.119008] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x2f4/0x330 [ 32.119865] Read of size 1 at addr fff00000c5e1d000 by task kunit_try_catch/129 [ 32.120746] [ 32.121068] CPU: 1 UID: 0 PID: 129 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241122 #1 [ 32.123082] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.123675] Hardware name: linux,dummy-virt (DT) [ 32.124339] Call trace: [ 32.124775] show_stack+0x20/0x38 (C) [ 32.126133] dump_stack_lvl+0x8c/0xd0 [ 32.126931] print_report+0x118/0x5e0 [ 32.128132] kasan_report+0xc8/0x118 [ 32.128709] __asan_report_load1_noabort+0x20/0x30 [ 32.129083] kmalloc_node_oob_right+0x2f4/0x330 [ 32.129404] kunit_try_run_case+0x14c/0x3d0 [ 32.130008] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.131657] kthread+0x24c/0x2d0 [ 32.132202] ret_from_fork+0x10/0x20 [ 32.133250] [ 32.133662] Allocated by task 129: [ 32.134278] kasan_save_stack+0x3c/0x68 [ 32.134879] kasan_save_track+0x20/0x40 [ 32.135412] kasan_save_alloc_info+0x40/0x58 [ 32.137079] __kasan_kmalloc+0xd4/0xd8 [ 32.137375] __kmalloc_cache_node_noprof+0x164/0x3d0 [ 32.137902] kmalloc_node_oob_right+0xbc/0x330 [ 32.139375] kunit_try_run_case+0x14c/0x3d0 [ 32.140067] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.140696] kthread+0x24c/0x2d0 [ 32.142109] ret_from_fork+0x10/0x20 [ 32.142946] [ 32.143218] The buggy address belongs to the object at fff00000c5e1c000 [ 32.143218] which belongs to the cache kmalloc-4k of size 4096 [ 32.145454] The buggy address is located 0 bytes to the right of [ 32.145454] allocated 4096-byte region [fff00000c5e1c000, fff00000c5e1d000) [ 32.146966] [ 32.147304] The buggy address belongs to the physical page: [ 32.148325] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105e18 [ 32.149675] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 32.151065] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 32.151774] page_type: f5(slab) [ 32.152545] raw: 0bfffe0000000040 fff00000c0002140 dead000000000122 0000000000000000 [ 32.153788] raw: 0000000000000000 0000000080040004 00000001f5000000 0000000000000000 [ 32.154950] head: 0bfffe0000000040 fff00000c0002140 dead000000000122 0000000000000000 [ 32.156699] head: 0000000000000000 0000000080040004 00000001f5000000 0000000000000000 [ 32.157699] head: 0bfffe0000000003 ffffc1ffc3178601 ffffffffffffffff 0000000000000000 [ 32.159417] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 32.161394] page dumped because: kasan: bad access detected [ 32.162047] [ 32.162310] Memory state around the buggy address: [ 32.162936] fff00000c5e1cf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.164549] fff00000c5e1cf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.166813] >fff00000c5e1d000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.167676] ^ [ 32.168380] fff00000c5e1d080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.169961] fff00000c5e1d100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.171712] ==================================================================
[ 23.807732] ================================================================== [ 23.808894] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x36b/0x3d0 [ 23.809418] Read of size 1 at addr ffff888102be1000 by task kunit_try_catch/148 [ 23.809886] [ 23.810105] CPU: 1 UID: 0 PID: 148 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241122 #1 [ 23.811148] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.811562] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.812359] Call Trace: [ 23.812785] <TASK> [ 23.813143] dump_stack_lvl+0x73/0xb0 [ 23.813507] print_report+0xd1/0x640 [ 23.813787] ? __virt_addr_valid+0x1db/0x2d0 [ 23.814124] ? kasan_complete_mode_report_info+0x2a/0x200 [ 23.814845] kasan_report+0x102/0x140 [ 23.815625] ? kmalloc_node_oob_right+0x36b/0x3d0 [ 23.816230] ? kmalloc_node_oob_right+0x36b/0x3d0 [ 23.816739] __asan_report_load1_noabort+0x18/0x20 [ 23.817371] kmalloc_node_oob_right+0x36b/0x3d0 [ 23.818028] ? __pfx_kmalloc_node_oob_right+0x10/0x10 [ 23.818493] ? __schedule+0xc3e/0x2790 [ 23.818996] ? __pfx_read_tsc+0x10/0x10 [ 23.819437] ? ktime_get_ts64+0x84/0x230 [ 23.819941] kunit_try_run_case+0x1b3/0x490 [ 23.820494] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.821218] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 23.821724] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 23.822383] ? __kthread_parkme+0x82/0x160 [ 23.822806] ? preempt_count_sub+0x50/0x80 [ 23.823373] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.823739] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 23.824517] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.825179] kthread+0x257/0x310 [ 23.825527] ? __pfx_kthread+0x10/0x10 [ 23.826131] ret_from_fork+0x41/0x80 [ 23.826591] ? __pfx_kthread+0x10/0x10 [ 23.827073] ret_from_fork_asm+0x1a/0x30 [ 23.827433] </TASK> [ 23.827883] [ 23.828163] Allocated by task 148: [ 23.828623] kasan_save_stack+0x3d/0x60 [ 23.829229] kasan_save_track+0x18/0x40 [ 23.829626] kasan_save_alloc_info+0x3b/0x50 [ 23.830286] __kasan_kmalloc+0xb7/0xc0 [ 23.830721] __kmalloc_cache_node_noprof+0x183/0x420 [ 23.831195] kmalloc_node_oob_right+0xac/0x3d0 [ 23.831566] kunit_try_run_case+0x1b3/0x490 [ 23.831863] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.832178] kthread+0x257/0x310 [ 23.832642] ret_from_fork+0x41/0x80 [ 23.833066] ret_from_fork_asm+0x1a/0x30 [ 23.833551] [ 23.833860] The buggy address belongs to the object at ffff888102be0000 [ 23.833860] which belongs to the cache kmalloc-4k of size 4096 [ 23.834977] The buggy address is located 0 bytes to the right of [ 23.834977] allocated 4096-byte region [ffff888102be0000, ffff888102be1000) [ 23.836194] [ 23.837141] The buggy address belongs to the physical page: [ 23.838966] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102be0 [ 23.840113] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 23.841733] flags: 0x200000000000040(head|node=0|zone=2) [ 23.843023] page_type: f5(slab) [ 23.843473] raw: 0200000000000040 ffff888100042140 dead000000000122 0000000000000000 [ 23.844124] raw: 0000000000000000 0000000080040004 00000001f5000000 0000000000000000 [ 23.844562] head: 0200000000000040 ffff888100042140 dead000000000122 0000000000000000 [ 23.845319] head: 0000000000000000 0000000080040004 00000001f5000000 0000000000000000 [ 23.846360] head: 0200000000000003 ffffea00040af801 ffffffffffffffff 0000000000000000 [ 23.847297] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 23.848139] page dumped because: kasan: bad access detected [ 23.848943] [ 23.849189] Memory state around the buggy address: [ 23.849800] ffff888102be0f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.850195] ffff888102be0f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.851109] >ffff888102be1000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.851633] ^ [ 23.852115] ffff888102be1080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.852762] ffff888102be1100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.853762] ==================================================================