Date
Dec. 4, 2024, 3:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 31.864276] ================================================================== [ 31.865558] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 31.866175] Write of size 16 at addr fff00000c6153d00 by task kunit_try_catch/154 [ 31.867258] [ 31.868031] CPU: 1 UID: 0 PID: 154 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241204 #1 [ 31.869278] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.870969] Hardware name: linux,dummy-virt (DT) [ 31.871471] Call trace: [ 31.871776] show_stack+0x20/0x38 (C) [ 31.872322] dump_stack_lvl+0x8c/0xd0 [ 31.872754] print_report+0x118/0x5e0 [ 31.873593] kasan_report+0xc8/0x118 [ 31.874217] __asan_report_store16_noabort+0x20/0x30 [ 31.875194] kmalloc_oob_16+0x3a0/0x3f8 [ 31.875825] kunit_try_run_case+0x14c/0x3d0 [ 31.876414] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.877510] kthread+0x24c/0x2d0 [ 31.878463] ret_from_fork+0x10/0x20 [ 31.878997] [ 31.879353] Allocated by task 154: [ 31.879970] kasan_save_stack+0x3c/0x68 [ 31.880557] kasan_save_track+0x20/0x40 [ 31.881454] kasan_save_alloc_info+0x40/0x58 [ 31.882474] __kasan_kmalloc+0xd4/0xd8 [ 31.883037] __kmalloc_cache_noprof+0x15c/0x3c0 [ 31.883686] kmalloc_oob_16+0xb4/0x3f8 [ 31.884315] kunit_try_run_case+0x14c/0x3d0 [ 31.884957] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.886298] kthread+0x24c/0x2d0 [ 31.886700] ret_from_fork+0x10/0x20 [ 31.887292] [ 31.887699] The buggy address belongs to the object at fff00000c6153d00 [ 31.887699] which belongs to the cache kmalloc-16 of size 16 [ 31.889313] The buggy address is located 0 bytes inside of [ 31.889313] allocated 13-byte region [fff00000c6153d00, fff00000c6153d0d) [ 31.890955] [ 31.891272] The buggy address belongs to the physical page: [ 31.892791] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106153 [ 31.893749] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 31.894743] page_type: f5(slab) [ 31.895328] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 31.896381] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 31.897368] page dumped because: kasan: bad access detected [ 31.898411] [ 31.898741] Memory state around the buggy address: [ 31.899352] fff00000c6153c00: fa fb fc fc 00 02 fc fc fa fb fc fc fa fb fc fc [ 31.900218] fff00000c6153c80: fa fb fc fc fa fb fc fc fa fb fc fc 00 04 fc fc [ 31.901612] >fff00000c6153d00: 00 05 fc fc 00 00 fc fc fc fc fc fc fc fc fc fc [ 31.903162] ^ [ 31.903724] fff00000c6153d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.904685] fff00000c6153e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.905678] ==================================================================
[ 22.676019] ================================================================== [ 22.677345] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x454/0x4a0 [ 22.678909] Write of size 16 at addr ffff888101adf060 by task kunit_try_catch/174 [ 22.679830] [ 22.680186] CPU: 0 UID: 0 PID: 174 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241204 #1 [ 22.682123] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.683007] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 22.684157] Call Trace: [ 22.684718] <TASK> [ 22.685087] dump_stack_lvl+0x73/0xb0 [ 22.685501] print_report+0xd1/0x640 [ 22.686159] ? __virt_addr_valid+0x1db/0x2d0 [ 22.686997] ? kasan_complete_mode_report_info+0x2a/0x200 [ 22.688084] kasan_report+0x102/0x140 [ 22.688506] ? kmalloc_oob_16+0x454/0x4a0 [ 22.688815] ? kmalloc_oob_16+0x454/0x4a0 [ 22.689315] __asan_report_store16_noabort+0x1b/0x30 [ 22.689911] kmalloc_oob_16+0x454/0x4a0 [ 22.690432] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 22.690809] ? __schedule+0xc3e/0x2790 [ 22.691230] ? __pfx_read_tsc+0x10/0x10 [ 22.692136] ? ktime_get_ts64+0x86/0x230 [ 22.692791] kunit_try_run_case+0x1b3/0x490 [ 22.693215] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.694223] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 22.694565] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 22.695248] ? __kthread_parkme+0x82/0x160 [ 22.695920] ? preempt_count_sub+0x50/0x80 [ 22.696603] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.696943] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 22.697685] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.698226] kthread+0x257/0x310 [ 22.699032] ? __pfx_kthread+0x10/0x10 [ 22.699804] ret_from_fork+0x41/0x80 [ 22.700723] ? __pfx_kthread+0x10/0x10 [ 22.701036] ret_from_fork_asm+0x1a/0x30 [ 22.701899] </TASK> [ 22.702402] [ 22.702810] Allocated by task 174: [ 22.703178] kasan_save_stack+0x3d/0x60 [ 22.704330] kasan_save_track+0x18/0x40 [ 22.704938] kasan_save_alloc_info+0x3b/0x50 [ 22.705910] __kasan_kmalloc+0xb7/0xc0 [ 22.706581] __kmalloc_cache_noprof+0x184/0x410 [ 22.706807] kmalloc_oob_16+0xa9/0x4a0 [ 22.707643] kunit_try_run_case+0x1b3/0x490 [ 22.708608] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.709292] kthread+0x257/0x310 [ 22.709703] ret_from_fork+0x41/0x80 [ 22.710276] ret_from_fork_asm+0x1a/0x30 [ 22.710748] [ 22.711428] The buggy address belongs to the object at ffff888101adf060 [ 22.711428] which belongs to the cache kmalloc-16 of size 16 [ 22.712906] The buggy address is located 0 bytes inside of [ 22.712906] allocated 13-byte region [ffff888101adf060, ffff888101adf06d) [ 22.713837] [ 22.714834] The buggy address belongs to the physical page: [ 22.715953] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101adf [ 22.717059] flags: 0x200000000000000(node=0|zone=2) [ 22.717641] page_type: f5(slab) [ 22.718238] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 22.719170] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 22.720185] page dumped because: kasan: bad access detected [ 22.720934] [ 22.721110] Memory state around the buggy address: [ 22.722218] ffff888101adef00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.723312] ffff888101adef80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.723957] >ffff888101adf000: fa fb fc fc 00 04 fc fc 00 05 fc fc 00 05 fc fc [ 22.724900] ^ [ 22.725524] ffff888101adf080: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.726272] ffff888101adf100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.727116] ==================================================================