Date
Nov. 28, 2024, 2:36 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 33.415296] ================================================================== [ 33.416409] BUG: KASAN: slab-out-of-bounds in memchr+0x78/0x88 [ 33.417070] Read of size 1 at addr fff00000c4081998 by task kunit_try_catch/243 [ 33.418562] [ 33.418958] CPU: 1 UID: 0 PID: 243 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241128 #1 [ 33.420537] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.421014] Hardware name: linux,dummy-virt (DT) [ 33.421949] Call trace: [ 33.422549] show_stack+0x20/0x38 (C) [ 33.423297] dump_stack_lvl+0x8c/0xd0 [ 33.423999] print_report+0x118/0x5e0 [ 33.424733] kasan_report+0xc8/0x118 [ 33.425508] __asan_report_load1_noabort+0x20/0x30 [ 33.426329] memchr+0x78/0x88 [ 33.426999] kasan_memchr+0x148/0x2d8 [ 33.427707] kunit_try_run_case+0x14c/0x3d0 [ 33.428282] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.428900] kthread+0x24c/0x2d0 [ 33.429849] ret_from_fork+0x10/0x20 [ 33.430592] [ 33.431097] Allocated by task 243: [ 33.431793] kasan_save_stack+0x3c/0x68 [ 33.432531] kasan_save_track+0x20/0x40 [ 33.433431] kasan_save_alloc_info+0x40/0x58 [ 33.434211] __kasan_kmalloc+0xd4/0xd8 [ 33.434939] __kmalloc_cache_noprof+0x15c/0x3c0 [ 33.435693] kasan_memchr+0xb0/0x2d8 [ 33.436435] kunit_try_run_case+0x14c/0x3d0 [ 33.437233] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.437799] kthread+0x24c/0x2d0 [ 33.438224] ret_from_fork+0x10/0x20 [ 33.438934] [ 33.439484] The buggy address belongs to the object at fff00000c4081980 [ 33.439484] which belongs to the cache kmalloc-32 of size 32 [ 33.440585] The buggy address is located 0 bytes to the right of [ 33.440585] allocated 24-byte region [fff00000c4081980, fff00000c4081998) [ 33.442514] [ 33.443021] The buggy address belongs to the physical page: [ 33.443824] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104081 [ 33.444884] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 33.445964] page_type: f5(slab) [ 33.446390] raw: 0bfffe0000000000 fff00000c0001780 dead000000000122 0000000000000000 [ 33.446779] raw: 0000000000000000 0000000080400040 00000001f5000000 0000000000000000 [ 33.447181] page dumped because: kasan: bad access detected [ 33.447709] [ 33.447997] Memory state around the buggy address: [ 33.448517] fff00000c4081880: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc [ 33.449588] fff00000c4081900: 00 00 07 fc fc fc fc fc 00 00 00 fc fc fc fc fc [ 33.450396] >fff00000c4081980: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.451091] ^ [ 33.451693] fff00000c4081a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.452469] fff00000c4081a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.453558] ==================================================================
[ 24.345818] ================================================================== [ 24.347012] BUG: KASAN: slab-out-of-bounds in memchr+0x79/0x90 [ 24.348078] Read of size 1 at addr ffff888101b67018 by task kunit_try_catch/263 [ 24.349110] [ 24.349871] CPU: 1 UID: 0 PID: 263 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241128 #1 [ 24.351054] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.351732] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.352916] Call Trace: [ 24.353410] <TASK> [ 24.354193] dump_stack_lvl+0x73/0xb0 [ 24.354778] print_report+0xd1/0x640 [ 24.355235] ? __virt_addr_valid+0x1db/0x2d0 [ 24.355869] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.356785] kasan_report+0x102/0x140 [ 24.357238] ? memchr+0x79/0x90 [ 24.357609] ? memchr+0x79/0x90 [ 24.358031] __asan_report_load1_noabort+0x18/0x20 [ 24.358967] memchr+0x79/0x90 [ 24.359388] kasan_memchr+0x163/0x320 [ 24.359856] ? __pfx_kasan_memchr+0x10/0x10 [ 24.360510] ? __schedule+0xc3e/0x2790 [ 24.361159] ? __pfx_read_tsc+0x10/0x10 [ 24.361758] ? ktime_get_ts64+0x84/0x230 [ 24.362186] kunit_try_run_case+0x1b3/0x490 [ 24.362789] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.363310] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 24.364042] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.365516] ? __kthread_parkme+0x82/0x160 [ 24.366589] ? preempt_count_sub+0x50/0x80 [ 24.367048] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.367510] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.368414] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.369017] kthread+0x257/0x310 [ 24.369433] ? __pfx_kthread+0x10/0x10 [ 24.369840] ret_from_fork+0x41/0x80 [ 24.370656] ? __pfx_kthread+0x10/0x10 [ 24.370985] ret_from_fork_asm+0x1a/0x30 [ 24.371581] </TASK> [ 24.371940] [ 24.372094] Allocated by task 263: [ 24.372732] kasan_save_stack+0x3d/0x60 [ 24.373067] kasan_save_track+0x18/0x40 [ 24.373470] kasan_save_alloc_info+0x3b/0x50 [ 24.374033] __kasan_kmalloc+0xb7/0xc0 [ 24.374852] __kmalloc_cache_noprof+0x184/0x410 [ 24.375246] kasan_memchr+0xad/0x320 [ 24.375743] kunit_try_run_case+0x1b3/0x490 [ 24.376417] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.376831] kthread+0x257/0x310 [ 24.377101] ret_from_fork+0x41/0x80 [ 24.377686] ret_from_fork_asm+0x1a/0x30 [ 24.378456] [ 24.378680] The buggy address belongs to the object at ffff888101b67000 [ 24.378680] which belongs to the cache kmalloc-32 of size 32 [ 24.380185] The buggy address is located 0 bytes to the right of [ 24.380185] allocated 24-byte region [ffff888101b67000, ffff888101b67018) [ 24.381518] [ 24.382078] The buggy address belongs to the physical page: [ 24.382764] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101b67 [ 24.384583] flags: 0x200000000000000(node=0|zone=2) [ 24.385608] page_type: f5(slab) [ 24.386029] raw: 0200000000000000 ffff888100041780 dead000000000122 0000000000000000 [ 24.386894] raw: 0000000000000000 0000000080400040 00000001f5000000 0000000000000000 [ 24.387819] page dumped because: kasan: bad access detected [ 24.388783] [ 24.389323] Memory state around the buggy address: [ 24.389969] ffff888101b66f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.391286] ffff888101b66f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.391611] >ffff888101b67000: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.391877] ^ [ 24.392050] ffff888101b67080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.393463] ffff888101b67100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.395044] ==================================================================