Date
Nov. 20, 2024, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 36.579032] ================================================================== [ 36.580256] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 36.581118] Write of size 16 at addr fff00000c1bb3b80 by task kunit_try_catch/155 [ 36.582071] [ 36.582436] CPU: 0 UID: 0 PID: 155 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241120 #1 [ 36.584322] Tainted: [B]=BAD_PAGE, [N]=TEST [ 36.584940] Hardware name: linux,dummy-virt (DT) [ 36.585614] Call trace: [ 36.586162] show_stack+0x20/0x38 (C) [ 36.587172] dump_stack_lvl+0x8c/0xd0 [ 36.587674] print_report+0x118/0x5e0 [ 36.587946] kasan_report+0xc8/0x118 [ 36.588186] __asan_report_store16_noabort+0x20/0x30 [ 36.588535] kmalloc_oob_16+0x3a0/0x3f8 [ 36.589051] kunit_try_run_case+0x14c/0x3d0 [ 36.590015] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 36.590771] kthread+0x24c/0x2d0 [ 36.591249] ret_from_fork+0x10/0x20 [ 36.591847] [ 36.592184] Allocated by task 155: [ 36.592755] kasan_save_stack+0x3c/0x68 [ 36.593283] kasan_save_track+0x20/0x40 [ 36.594287] kasan_save_alloc_info+0x40/0x58 [ 36.594974] __kasan_kmalloc+0xd4/0xd8 [ 36.595553] __kmalloc_cache_noprof+0x15c/0x3c8 [ 36.596175] kmalloc_oob_16+0xb4/0x3f8 [ 36.596758] kunit_try_run_case+0x14c/0x3d0 [ 36.597463] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 36.598478] kthread+0x24c/0x2d0 [ 36.598892] ret_from_fork+0x10/0x20 [ 36.599437] [ 36.599796] The buggy address belongs to the object at fff00000c1bb3b80 [ 36.599796] which belongs to the cache kmalloc-16 of size 16 [ 36.600894] The buggy address is located 0 bytes inside of [ 36.600894] allocated 13-byte region [fff00000c1bb3b80, fff00000c1bb3b8d) [ 36.602370] [ 36.603010] The buggy address belongs to the physical page: [ 36.603631] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101bb3 [ 36.604225] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 36.605064] page_type: f5(slab) [ 36.605606] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 36.606964] raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000 [ 36.607736] page dumped because: kasan: bad access detected [ 36.608320] [ 36.608944] Memory state around the buggy address: [ 36.609847] fff00000c1bb3a80: fa fb fc fc fa fb fc fc fa fb fc fc 00 02 fc fc [ 36.610822] fff00000c1bb3b00: 00 02 fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 36.611596] >fff00000c1bb3b80: 00 05 fc fc 00 00 fc fc fc fc fc fc fc fc fc fc [ 36.612229] ^ [ 36.612785] fff00000c1bb3c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 36.613849] fff00000c1bb3c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 36.614671] ==================================================================
[ 28.019903] ================================================================== [ 28.021100] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x454/0x4a0 [ 28.021885] Write of size 16 at addr ffff8881025fede0 by task kunit_try_catch/173 [ 28.022266] [ 28.022848] CPU: 1 UID: 0 PID: 173 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241120 #1 [ 28.023734] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.025240] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 28.026118] Call Trace: [ 28.026467] <TASK> [ 28.026881] dump_stack_lvl+0x73/0xb0 [ 28.027553] print_report+0xd1/0x640 [ 28.028363] ? __virt_addr_valid+0x1db/0x2d0 [ 28.029408] ? kasan_complete_mode_report_info+0x2a/0x200 [ 28.030113] kasan_report+0x102/0x140 [ 28.030952] ? kmalloc_oob_16+0x454/0x4a0 [ 28.031572] ? kmalloc_oob_16+0x454/0x4a0 [ 28.032702] __asan_report_store16_noabort+0x1b/0x30 [ 28.033293] kmalloc_oob_16+0x454/0x4a0 [ 28.033984] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 28.034487] ? __schedule+0xc3e/0x2790 [ 28.035479] ? __pfx_read_tsc+0x10/0x10 [ 28.035804] ? ktime_get_ts64+0x84/0x230 [ 28.036847] kunit_try_run_case+0x1b3/0x490 [ 28.037263] ? __pfx_kunit_try_run_case+0x10/0x10 [ 28.038077] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 28.039000] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 28.040076] ? __kthread_parkme+0x82/0x160 [ 28.040933] ? preempt_count_sub+0x50/0x80 [ 28.041823] ? __pfx_kunit_try_run_case+0x10/0x10 [ 28.042734] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 28.043266] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.043937] kthread+0x257/0x310 [ 28.044727] ? __pfx_kthread+0x10/0x10 [ 28.045034] ret_from_fork+0x41/0x80 [ 28.046053] ? __pfx_kthread+0x10/0x10 [ 28.046467] ret_from_fork_asm+0x1a/0x30 [ 28.047475] </TASK> [ 28.047705] [ 28.048539] Allocated by task 173: [ 28.049048] kasan_save_stack+0x3d/0x60 [ 28.049790] kasan_save_track+0x18/0x40 [ 28.050315] kasan_save_alloc_info+0x3b/0x50 [ 28.050962] __kasan_kmalloc+0xb7/0xc0 [ 28.051860] __kmalloc_cache_noprof+0x184/0x410 [ 28.052756] kmalloc_oob_16+0xa9/0x4a0 [ 28.053621] kunit_try_run_case+0x1b3/0x490 [ 28.053918] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.054457] kthread+0x257/0x310 [ 28.055444] ret_from_fork+0x41/0x80 [ 28.055748] ret_from_fork_asm+0x1a/0x30 [ 28.056501] [ 28.056833] The buggy address belongs to the object at ffff8881025fede0 [ 28.056833] which belongs to the cache kmalloc-16 of size 16 [ 28.058941] The buggy address is located 0 bytes inside of [ 28.058941] allocated 13-byte region [ffff8881025fede0, ffff8881025feded) [ 28.060100] [ 28.060304] The buggy address belongs to the physical page: [ 28.061057] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1025fe [ 28.061631] flags: 0x200000000000000(node=0|zone=2) [ 28.062277] page_type: f5(slab) [ 28.062562] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 28.063528] raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000 [ 28.064092] page dumped because: kasan: bad access detected [ 28.064780] [ 28.064984] Memory state around the buggy address: [ 28.065511] ffff8881025fec80: 00 02 fc fc 00 05 fc fc 00 02 fc fc 00 02 fc fc [ 28.066050] ffff8881025fed00: 00 02 fc fc 00 02 fc fc fa fb fc fc fa fb fc fc [ 28.067066] >ffff8881025fed80: fa fb fc fc 00 05 fc fc fa fb fc fc 00 05 fc fc [ 28.067500] ^ [ 28.068187] ffff8881025fee00: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.069189] ffff8881025fee80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.069637] ==================================================================