Date
Nov. 20, 2024, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 36.682876] ================================================================== [ 36.683712] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 36.684556] Write of size 128 at addr fff00000c657f400 by task kunit_try_catch/159 [ 36.685721] [ 36.686069] CPU: 1 UID: 0 PID: 159 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241120 #1 [ 36.687026] Tainted: [B]=BAD_PAGE, [N]=TEST [ 36.687858] Hardware name: linux,dummy-virt (DT) [ 36.688339] Call trace: [ 36.688900] show_stack+0x20/0x38 (C) [ 36.689801] dump_stack_lvl+0x8c/0xd0 [ 36.690432] print_report+0x118/0x5e0 [ 36.691069] kasan_report+0xc8/0x118 [ 36.691570] kasan_check_range+0x100/0x1a8 [ 36.692213] __asan_memset+0x34/0x78 [ 36.692857] kmalloc_oob_in_memset+0x144/0x2d0 [ 36.693522] kunit_try_run_case+0x14c/0x3d0 [ 36.694504] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 36.695261] kthread+0x24c/0x2d0 [ 36.695680] ret_from_fork+0x10/0x20 [ 36.696321] [ 36.696699] Allocated by task 159: [ 36.697180] kasan_save_stack+0x3c/0x68 [ 36.698279] kasan_save_track+0x20/0x40 [ 36.698854] kasan_save_alloc_info+0x40/0x58 [ 36.699428] __kasan_kmalloc+0xd4/0xd8 [ 36.699982] __kmalloc_cache_noprof+0x15c/0x3c8 [ 36.700600] kmalloc_oob_in_memset+0xb0/0x2d0 [ 36.701226] kunit_try_run_case+0x14c/0x3d0 [ 36.701968] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 36.702565] kthread+0x24c/0x2d0 [ 36.703114] ret_from_fork+0x10/0x20 [ 36.703725] [ 36.704112] The buggy address belongs to the object at fff00000c657f400 [ 36.704112] which belongs to the cache kmalloc-128 of size 128 [ 36.705560] The buggy address is located 0 bytes inside of [ 36.705560] allocated 120-byte region [fff00000c657f400, fff00000c657f478) [ 36.706836] [ 36.707212] The buggy address belongs to the physical page: [ 36.708407] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10657f [ 36.709142] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 36.709912] page_type: f5(slab) [ 36.710635] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 36.711417] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 36.712191] page dumped because: kasan: bad access detected [ 36.712889] [ 36.713613] Memory state around the buggy address: [ 36.714212] fff00000c657f300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 36.714928] fff00000c657f380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 36.715666] >fff00000c657f400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 36.716413] ^ [ 36.717180] fff00000c657f480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 36.718308] fff00000c657f500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 36.719044] ==================================================================
[ 28.140229] ================================================================== [ 28.141060] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x160/0x320 [ 28.141664] Write of size 128 at addr ffff888101ac5800 by task kunit_try_catch/177 [ 28.142361] [ 28.142614] CPU: 0 UID: 0 PID: 177 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241120 #1 [ 28.143625] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.144253] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 28.145076] Call Trace: [ 28.145519] <TASK> [ 28.145901] dump_stack_lvl+0x73/0xb0 [ 28.146439] print_report+0xd1/0x640 [ 28.146832] ? __virt_addr_valid+0x1db/0x2d0 [ 28.147475] ? kasan_complete_mode_report_info+0x2a/0x200 [ 28.148056] kasan_report+0x102/0x140 [ 28.148629] ? kmalloc_oob_in_memset+0x160/0x320 [ 28.149353] ? kmalloc_oob_in_memset+0x160/0x320 [ 28.149863] kasan_check_range+0x10c/0x1c0 [ 28.150350] __asan_memset+0x27/0x50 [ 28.150857] kmalloc_oob_in_memset+0x160/0x320 [ 28.151420] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 28.152028] ? __schedule+0xc3e/0x2790 [ 28.152542] ? __pfx_read_tsc+0x10/0x10 [ 28.152948] ? ktime_get_ts64+0x84/0x230 [ 28.153450] kunit_try_run_case+0x1b3/0x490 [ 28.153892] ? __pfx_kunit_try_run_case+0x10/0x10 [ 28.154334] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 28.154791] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 28.155337] ? __kthread_parkme+0x82/0x160 [ 28.155815] ? preempt_count_sub+0x50/0x80 [ 28.156324] ? __pfx_kunit_try_run_case+0x10/0x10 [ 28.156958] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 28.157741] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.158295] kthread+0x257/0x310 [ 28.158657] ? __pfx_kthread+0x10/0x10 [ 28.159360] ret_from_fork+0x41/0x80 [ 28.159856] ? __pfx_kthread+0x10/0x10 [ 28.160381] ret_from_fork_asm+0x1a/0x30 [ 28.160951] </TASK> [ 28.161357] [ 28.161593] Allocated by task 177: [ 28.162010] kasan_save_stack+0x3d/0x60 [ 28.162502] kasan_save_track+0x18/0x40 [ 28.163009] kasan_save_alloc_info+0x3b/0x50 [ 28.163549] __kasan_kmalloc+0xb7/0xc0 [ 28.164232] __kmalloc_cache_noprof+0x184/0x410 [ 28.164766] kmalloc_oob_in_memset+0xad/0x320 [ 28.165304] kunit_try_run_case+0x1b3/0x490 [ 28.165623] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.166384] kthread+0x257/0x310 [ 28.166777] ret_from_fork+0x41/0x80 [ 28.167064] ret_from_fork_asm+0x1a/0x30 [ 28.167535] [ 28.167783] The buggy address belongs to the object at ffff888101ac5800 [ 28.167783] which belongs to the cache kmalloc-128 of size 128 [ 28.168609] The buggy address is located 0 bytes inside of [ 28.168609] allocated 120-byte region [ffff888101ac5800, ffff888101ac5878) [ 28.170008] [ 28.170380] The buggy address belongs to the physical page: [ 28.170802] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101ac5 [ 28.171732] flags: 0x200000000000000(node=0|zone=2) [ 28.172563] page_type: f5(slab) [ 28.173347] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 28.173902] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 28.174564] page dumped because: kasan: bad access detected [ 28.175103] [ 28.175300] Memory state around the buggy address: [ 28.175918] ffff888101ac5700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 28.176632] ffff888101ac5780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.177740] >ffff888101ac5800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 28.178626] ^ [ 28.179400] ffff888101ac5880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.180324] ffff888101ac5900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.181067] ==================================================================