Date
Nov. 27, 2024, 3:37 a.m.
Environment | |
---|---|
qemu-arm64 | |
qemu-x86_64 |
[ 46.766945] ================================================================== [ 46.768185] BUG: KASAN: slab-out-of-bounds in kmalloc_big_oob_right+0x2a4/0x2f0 [ 46.768981] Write of size 1 at addr fff00000c5d15f00 by task kunit_try_catch/133 [ 46.769685] [ 46.770062] CPU: 1 UID: 0 PID: 133 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241127 #1 [ 46.771395] Tainted: [B]=BAD_PAGE, [N]=TEST [ 46.772391] Hardware name: linux,dummy-virt (DT) [ 46.773223] Call trace: [ 46.773630] show_stack+0x20/0x38 (C) [ 46.774261] dump_stack_lvl+0x8c/0xd0 [ 46.775067] print_report+0x118/0x5e0 [ 46.775580] kasan_report+0xc8/0x118 [ 46.776231] __asan_report_store1_noabort+0x20/0x30 [ 46.776955] kmalloc_big_oob_right+0x2a4/0x2f0 [ 46.777679] kunit_try_run_case+0x14c/0x3d0 [ 46.778353] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 46.779134] kthread+0x24c/0x2d0 [ 46.779778] ret_from_fork+0x10/0x20 [ 46.780352] [ 46.780652] Allocated by task 133: [ 46.781098] kasan_save_stack+0x3c/0x68 [ 46.781795] kasan_save_track+0x20/0x40 [ 46.782364] kasan_save_alloc_info+0x40/0x58 [ 46.783078] __kasan_kmalloc+0xd4/0xd8 [ 46.783718] __kmalloc_cache_noprof+0x15c/0x3c0 [ 46.784340] kmalloc_big_oob_right+0xb8/0x2f0 [ 46.784977] kunit_try_run_case+0x14c/0x3d0 [ 46.785531] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 46.786204] kthread+0x24c/0x2d0 [ 46.786844] ret_from_fork+0x10/0x20 [ 46.787457] [ 46.787829] The buggy address belongs to the object at fff00000c5d14000 [ 46.787829] which belongs to the cache kmalloc-8k of size 8192 [ 46.789263] The buggy address is located 0 bytes to the right of [ 46.789263] allocated 7936-byte region [fff00000c5d14000, fff00000c5d15f00) [ 46.790659] [ 46.790945] The buggy address belongs to the physical page: [ 46.791726] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105d10 [ 46.792665] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 46.793544] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 46.794334] page_type: f5(slab) [ 46.794904] raw: 0bfffe0000000040 fff00000c0002280 dead000000000122 0000000000000000 [ 46.795864] raw: 0000000000000000 0000000080020002 00000001f5000000 0000000000000000 [ 46.796696] head: 0bfffe0000000040 fff00000c0002280 dead000000000122 0000000000000000 [ 46.797700] head: 0000000000000000 0000000080020002 00000001f5000000 0000000000000000 [ 46.798683] head: 0bfffe0000000003 ffffc1ffc3174401 ffffffffffffffff 0000000000000000 [ 46.799572] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 46.800465] page dumped because: kasan: bad access detected [ 46.801187] [ 46.801515] Memory state around the buggy address: [ 46.802207] fff00000c5d15e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 46.803331] fff00000c5d15e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 46.804228] >fff00000c5d15f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.805195] ^ [ 46.805843] fff00000c5d15f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.806780] fff00000c5d16000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.807650] ==================================================================
[ 23.839858] ================================================================== [ 23.841956] BUG: KASAN: slab-out-of-bounds in kmalloc_big_oob_right+0x318/0x370 [ 23.843130] Write of size 1 at addr ffff88810211df00 by task kunit_try_catch/152 [ 23.843808] [ 23.844047] CPU: 1 UID: 0 PID: 152 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241127 #1 [ 23.844800] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.845174] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.845875] Call Trace: [ 23.846239] <TASK> [ 23.846512] dump_stack_lvl+0x73/0xb0 [ 23.847471] print_report+0xd1/0x640 [ 23.847777] ? __virt_addr_valid+0x1db/0x2d0 [ 23.848874] ? kasan_complete_mode_report_info+0x2a/0x200 [ 23.850417] kasan_report+0x102/0x140 [ 23.850780] ? kmalloc_big_oob_right+0x318/0x370 [ 23.851312] ? kmalloc_big_oob_right+0x318/0x370 [ 23.851785] __asan_report_store1_noabort+0x1b/0x30 [ 23.852704] kmalloc_big_oob_right+0x318/0x370 [ 23.853558] ? __pfx_kmalloc_big_oob_right+0x10/0x10 [ 23.854219] ? __schedule+0xc3e/0x2790 [ 23.854959] ? __pfx_read_tsc+0x10/0x10 [ 23.855695] ? ktime_get_ts64+0x84/0x230 [ 23.856128] kunit_try_run_case+0x1b3/0x490 [ 23.856534] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.856959] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 23.857844] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 23.858762] ? __kthread_parkme+0x82/0x160 [ 23.859403] ? preempt_count_sub+0x50/0x80 [ 23.859963] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.860687] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 23.861334] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.862170] kthread+0x257/0x310 [ 23.862571] ? __pfx_kthread+0x10/0x10 [ 23.863371] ret_from_fork+0x41/0x80 [ 23.863971] ? __pfx_kthread+0x10/0x10 [ 23.864577] ret_from_fork_asm+0x1a/0x30 [ 23.865229] </TASK> [ 23.865516] [ 23.866136] Allocated by task 152: [ 23.866416] kasan_save_stack+0x3d/0x60 [ 23.866865] kasan_save_track+0x18/0x40 [ 23.867344] kasan_save_alloc_info+0x3b/0x50 [ 23.867785] __kasan_kmalloc+0xb7/0xc0 [ 23.868764] __kmalloc_cache_noprof+0x184/0x410 [ 23.869187] kmalloc_big_oob_right+0xaa/0x370 [ 23.869933] kunit_try_run_case+0x1b3/0x490 [ 23.870393] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.871259] kthread+0x257/0x310 [ 23.871815] ret_from_fork+0x41/0x80 [ 23.872214] ret_from_fork_asm+0x1a/0x30 [ 23.872911] [ 23.873217] The buggy address belongs to the object at ffff88810211c000 [ 23.873217] which belongs to the cache kmalloc-8k of size 8192 [ 23.874483] The buggy address is located 0 bytes to the right of [ 23.874483] allocated 7936-byte region [ffff88810211c000, ffff88810211df00) [ 23.876216] [ 23.876504] The buggy address belongs to the physical page: [ 23.877407] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102118 [ 23.878287] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 23.879396] flags: 0x200000000000040(head|node=0|zone=2) [ 23.879852] page_type: f5(slab) [ 23.880501] raw: 0200000000000040 ffff888100042280 dead000000000122 0000000000000000 [ 23.881340] raw: 0000000000000000 0000000080020002 00000001f5000000 0000000000000000 [ 23.882343] head: 0200000000000040 ffff888100042280 dead000000000122 0000000000000000 [ 23.883290] head: 0000000000000000 0000000080020002 00000001f5000000 0000000000000000 [ 23.884259] head: 0200000000000003 ffffea0004084601 ffffffffffffffff 0000000000000000 [ 23.884968] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 23.886086] page dumped because: kasan: bad access detected [ 23.886524] [ 23.887173] Memory state around the buggy address: [ 23.887586] ffff88810211de00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.888694] ffff88810211de80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.889476] >ffff88810211df00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.890307] ^ [ 23.890590] ffff88810211df80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.891451] ffff88810211e000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.892057] ==================================================================