Date
Dec. 9, 2024, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 23.090193] ================================================================== [ 23.091452] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x2f4/0x330 [ 23.092672] Read of size 1 at addr fff00000c63cf000 by task kunit_try_catch/128 [ 23.093542] [ 23.093951] CPU: 1 UID: 0 PID: 128 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc2-next-20241209 #1 [ 23.095090] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.095819] Hardware name: linux,dummy-virt (DT) [ 23.096348] Call trace: [ 23.096782] show_stack+0x20/0x38 (C) [ 23.097311] dump_stack_lvl+0x8c/0xd0 [ 23.097841] print_report+0x118/0x5e0 [ 23.098390] kasan_report+0xc8/0x118 [ 23.099229] __asan_report_load1_noabort+0x20/0x30 [ 23.100077] kmalloc_node_oob_right+0x2f4/0x330 [ 23.100781] kunit_try_run_case+0x14c/0x3d0 [ 23.101426] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.102156] kthread+0x24c/0x2d0 [ 23.102648] ret_from_fork+0x10/0x20 [ 23.103185] [ 23.103506] Allocated by task 128: [ 23.104390] kasan_save_stack+0x3c/0x68 [ 23.104922] kasan_save_track+0x20/0x40 [ 23.105518] kasan_save_alloc_info+0x40/0x58 [ 23.106123] __kasan_kmalloc+0xd4/0xd8 [ 23.106580] __kmalloc_cache_node_noprof+0x168/0x3d0 [ 23.107445] kmalloc_node_oob_right+0xbc/0x330 [ 23.108078] kunit_try_run_case+0x14c/0x3d0 [ 23.108631] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.109316] kthread+0x24c/0x2d0 [ 23.109847] ret_from_fork+0x10/0x20 [ 23.110352] [ 23.110646] The buggy address belongs to the object at fff00000c63ce000 [ 23.110646] which belongs to the cache kmalloc-4k of size 4096 [ 23.112388] The buggy address is located 0 bytes to the right of [ 23.112388] allocated 4096-byte region [fff00000c63ce000, fff00000c63cf000) [ 23.114044] [ 23.114506] The buggy address belongs to the physical page: [ 23.115442] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063c8 [ 23.116713] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 23.117422] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 23.118281] page_type: f5(slab) [ 23.118798] raw: 0bfffe0000000040 fff00000c0002140 dead000000000122 0000000000000000 [ 23.119860] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000 [ 23.120672] head: 0bfffe0000000040 fff00000c0002140 dead000000000122 0000000000000000 [ 23.121609] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000 [ 23.122501] head: 0bfffe0000000003 ffffc1ffc318f201 ffffffffffffffff 0000000000000000 [ 23.123553] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 23.124388] page dumped because: kasan: bad access detected [ 23.125031] [ 23.125351] Memory state around the buggy address: [ 23.125914] fff00000c63cef00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.126614] fff00000c63cef80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.127485] >fff00000c63cf000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.128577] ^ [ 23.129140] fff00000c63cf080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.130061] fff00000c63cf100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.131058] ==================================================================
[ 22.650921] ================================================================== [ 22.651658] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x36b/0x3d0 [ 22.653109] Read of size 1 at addr ffff8881027e7000 by task kunit_try_catch/147 [ 22.654778] [ 22.655051] CPU: 0 UID: 0 PID: 147 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc2-next-20241209 #1 [ 22.656485] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.656753] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 22.658481] Call Trace: [ 22.658733] <TASK> [ 22.659258] dump_stack_lvl+0x73/0xb0 [ 22.660047] print_report+0xd1/0x640 [ 22.660550] ? __virt_addr_valid+0x1db/0x2d0 [ 22.661625] ? kasan_complete_mode_report_info+0x2a/0x200 [ 22.662197] kasan_report+0x102/0x140 [ 22.663355] ? kmalloc_node_oob_right+0x36b/0x3d0 [ 22.664500] ? kmalloc_node_oob_right+0x36b/0x3d0 [ 22.665004] __asan_report_load1_noabort+0x18/0x20 [ 22.665483] kmalloc_node_oob_right+0x36b/0x3d0 [ 22.665905] ? __pfx_kmalloc_node_oob_right+0x10/0x10 [ 22.666878] ? __schedule+0xc70/0x27e0 [ 22.667496] ? __pfx_read_tsc+0x10/0x10 [ 22.668090] ? ktime_get_ts64+0x86/0x230 [ 22.668723] kunit_try_run_case+0x1b3/0x490 [ 22.670282] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.670763] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 22.671673] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 22.672632] ? __kthread_parkme+0x82/0x160 [ 22.673256] ? preempt_count_sub+0x50/0x80 [ 22.674203] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.674782] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 22.675783] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.676418] kthread+0x257/0x310 [ 22.677411] ? __pfx_kthread+0x10/0x10 [ 22.677990] ret_from_fork+0x41/0x80 [ 22.678331] ? __pfx_kthread+0x10/0x10 [ 22.678817] ret_from_fork_asm+0x1a/0x30 [ 22.679457] </TASK> [ 22.679858] [ 22.680074] Allocated by task 147: [ 22.680640] kasan_save_stack+0x3d/0x60 [ 22.681546] kasan_save_track+0x18/0x40 [ 22.681913] kasan_save_alloc_info+0x3b/0x50 [ 22.683221] __kasan_kmalloc+0xb7/0xc0 [ 22.684324] __kmalloc_cache_node_noprof+0x183/0x410 [ 22.684893] kmalloc_node_oob_right+0xac/0x3d0 [ 22.685771] kunit_try_run_case+0x1b3/0x490 [ 22.686547] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.687256] kthread+0x257/0x310 [ 22.687719] ret_from_fork+0x41/0x80 [ 22.688382] ret_from_fork_asm+0x1a/0x30 [ 22.689511] [ 22.690039] The buggy address belongs to the object at ffff8881027e6000 [ 22.690039] which belongs to the cache kmalloc-4k of size 4096 [ 22.691618] The buggy address is located 0 bytes to the right of [ 22.691618] allocated 4096-byte region [ffff8881027e6000, ffff8881027e7000) [ 22.693932] [ 22.694152] The buggy address belongs to the physical page: [ 22.695348] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027e0 [ 22.696331] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 22.697962] flags: 0x200000000000040(head|node=0|zone=2) [ 22.699153] page_type: f5(slab) [ 22.699659] raw: 0200000000000040 ffff888100042140 dead000000000122 0000000000000000 [ 22.700626] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000 [ 22.701595] head: 0200000000000040 ffff888100042140 dead000000000122 0000000000000000 [ 22.702148] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000 [ 22.703456] head: 0200000000000003 ffffea000409f801 ffffffffffffffff 0000000000000000 [ 22.703758] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 22.706224] page dumped because: kasan: bad access detected [ 22.706709] [ 22.707514] Memory state around the buggy address: [ 22.707894] ffff8881027e6f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.709067] ffff8881027e6f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.709922] >ffff8881027e7000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.710955] ^ [ 22.711663] ffff8881027e7080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.713087] ffff8881027e7100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.713770] ==================================================================