Date
March 19, 2025, 10:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 34.201802] ================================================================== [ 34.201946] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_2+0x150/0x2f8 [ 34.202119] Write of size 2 at addr fff00000c6818877 by task kunit_try_catch/174 [ 34.202261] [ 34.202346] CPU: 1 UID: 0 PID: 174 Comm: kunit_try_catch Tainted: G B N 6.14.0-rc7-next-20250319 #1 PREEMPT [ 34.202580] Tainted: [B]=BAD_PAGE, [N]=TEST [ 34.202660] Hardware name: linux,dummy-virt (DT) [ 34.202756] Call trace: [ 34.202821] show_stack+0x20/0x38 (C) [ 34.202985] dump_stack_lvl+0x8c/0xd0 [ 34.203155] print_report+0x118/0x5f0 [ 34.203308] kasan_report+0xc8/0x118 [ 34.203533] kasan_check_range+0x100/0x1a8 [ 34.203766] __asan_memset+0x34/0x78 [ 34.203991] kmalloc_oob_memset_2+0x150/0x2f8 [ 34.204163] kunit_try_run_case+0x14c/0x3d0 [ 34.204303] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.204872] kthread+0x318/0x618 [ 34.205172] ret_from_fork+0x10/0x20 [ 34.205457] [ 34.205556] Allocated by task 174: [ 34.205645] kasan_save_stack+0x3c/0x68 [ 34.205765] kasan_save_track+0x20/0x40 [ 34.206170] kasan_save_alloc_info+0x40/0x58 [ 34.206297] __kasan_kmalloc+0xd4/0xd8 [ 34.206655] __kmalloc_cache_noprof+0x15c/0x3c0 [ 34.206857] kmalloc_oob_memset_2+0xb0/0x2f8 [ 34.207084] kunit_try_run_case+0x14c/0x3d0 [ 34.207209] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.207363] kthread+0x318/0x618 [ 34.207543] ret_from_fork+0x10/0x20 [ 34.207722] [ 34.207826] The buggy address belongs to the object at fff00000c6818800 [ 34.207826] which belongs to the cache kmalloc-128 of size 128 [ 34.208106] The buggy address is located 119 bytes inside of [ 34.208106] allocated 120-byte region [fff00000c6818800, fff00000c6818878) [ 34.208291] [ 34.208421] The buggy address belongs to the physical page: [ 34.209402] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106818 [ 34.209562] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 34.209715] page_type: f5(slab) [ 34.209799] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 34.209881] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 34.209947] page dumped because: kasan: bad access detected [ 34.209999] [ 34.210028] Memory state around the buggy address: [ 34.210118] fff00000c6818700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 34.210262] fff00000c6818780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.210464] >fff00000c6818800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 34.210608] ^ [ 34.210740] fff00000c6818880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.211141] fff00000c6818900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.211478] ==================================================================
[ 21.852492] ================================================================== [ 21.853576] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_2+0x166/0x330 [ 21.854217] Write of size 2 at addr ffff88810305a477 by task kunit_try_catch/193 [ 21.854873] [ 21.855209] CPU: 0 UID: 0 PID: 193 Comm: kunit_try_catch Tainted: G B N 6.14.0-rc7-next-20250319 #1 PREEMPT(voluntary) [ 21.855342] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.855376] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 21.855433] Call Trace: [ 21.855467] <TASK> [ 21.855505] dump_stack_lvl+0x73/0xb0 [ 21.855583] print_report+0xd1/0x660 [ 21.855680] ? __virt_addr_valid+0x1db/0x2d0 [ 21.855805] ? kasan_complete_mode_report_info+0x2a/0x200 [ 21.855878] kasan_report+0x104/0x140 [ 21.856019] ? kmalloc_oob_memset_2+0x166/0x330 [ 21.856179] ? kmalloc_oob_memset_2+0x166/0x330 [ 21.856283] kasan_check_range+0x10c/0x1c0 [ 21.856359] __asan_memset+0x27/0x50 [ 21.856421] kmalloc_oob_memset_2+0x166/0x330 [ 21.856488] ? __pfx_kmalloc_oob_memset_2+0x10/0x10 [ 21.856548] ? __schedule+0xd46/0x29c0 [ 21.856590] ? __pfx_read_tsc+0x10/0x10 [ 21.856622] ? ktime_get_ts64+0x86/0x240 [ 21.856661] kunit_try_run_case+0x1b2/0x490 [ 21.856699] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.856767] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 21.856801] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 21.856833] ? __kthread_parkme+0x82/0x160 [ 21.856864] ? preempt_count_sub+0x50/0x80 [ 21.856900] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.856933] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.856967] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 21.856999] kthread+0x323/0x710 [ 21.857028] ? trace_preempt_on+0x20/0xc0 [ 21.857062] ? __pfx_kthread+0x10/0x10 [ 21.857093] ? _raw_spin_unlock_irq+0x47/0x80 [ 21.857144] ? calculate_sigpending+0x7b/0xa0 [ 21.857177] ? __pfx_kthread+0x10/0x10 [ 21.857209] ret_from_fork+0x41/0x80 [ 21.857239] ? __pfx_kthread+0x10/0x10 [ 21.857270] ret_from_fork_asm+0x1a/0x30 [ 21.857318] </TASK> [ 21.857333] [ 21.873509] Allocated by task 193: [ 21.873892] kasan_save_stack+0x3d/0x60 [ 21.874199] kasan_save_track+0x18/0x40 [ 21.874485] kasan_save_alloc_info+0x3b/0x50 [ 21.875209] __kasan_kmalloc+0xb7/0xc0 [ 21.875742] __kmalloc_cache_noprof+0x183/0x410 [ 21.876253] kmalloc_oob_memset_2+0xac/0x330 [ 21.876776] kunit_try_run_case+0x1b2/0x490 [ 21.877242] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.877686] kthread+0x323/0x710 [ 21.878180] ret_from_fork+0x41/0x80 [ 21.878553] ret_from_fork_asm+0x1a/0x30 [ 21.879108] [ 21.879451] The buggy address belongs to the object at ffff88810305a400 [ 21.879451] which belongs to the cache kmalloc-128 of size 128 [ 21.880426] The buggy address is located 119 bytes inside of [ 21.880426] allocated 120-byte region [ffff88810305a400, ffff88810305a478) [ 21.881601] [ 21.881852] The buggy address belongs to the physical page: [ 21.882301] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10305a [ 21.883219] flags: 0x200000000000000(node=0|zone=2) [ 21.883691] page_type: f5(slab) [ 21.884012] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 21.884437] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 21.884821] page dumped because: kasan: bad access detected [ 21.885203] [ 21.885442] Memory state around the buggy address: [ 21.885891] ffff88810305a300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 21.886776] ffff88810305a380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.887547] >ffff88810305a400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 21.888462] ^ [ 21.889307] ffff88810305a480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.889953] ffff88810305a500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.890347] ==================================================================