Date
Nov. 27, 2024, 3:37 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 47.727702] ================================================================== [ 47.728730] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 47.729470] Write of size 16 at addr fff00000c40dc7a0 by task kunit_try_catch/155 [ 47.731327] [ 47.731762] CPU: 1 UID: 0 PID: 155 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241127 #1 [ 47.732898] Tainted: [B]=BAD_PAGE, [N]=TEST [ 47.733690] Hardware name: linux,dummy-virt (DT) [ 47.734809] Call trace: [ 47.735351] show_stack+0x20/0x38 (C) [ 47.735869] dump_stack_lvl+0x8c/0xd0 [ 47.736430] print_report+0x118/0x5e0 [ 47.736972] kasan_report+0xc8/0x118 [ 47.737507] __asan_report_store16_noabort+0x20/0x30 [ 47.738585] kmalloc_oob_16+0x3a0/0x3f8 [ 47.739146] kunit_try_run_case+0x14c/0x3d0 [ 47.739779] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 47.740518] kthread+0x24c/0x2d0 [ 47.741035] ret_from_fork+0x10/0x20 [ 47.741635] [ 47.741942] Allocated by task 155: [ 47.742601] kasan_save_stack+0x3c/0x68 [ 47.743228] kasan_save_track+0x20/0x40 [ 47.744017] kasan_save_alloc_info+0x40/0x58 [ 47.744633] __kasan_kmalloc+0xd4/0xd8 [ 47.745075] __kmalloc_cache_noprof+0x15c/0x3c0 [ 47.746054] kmalloc_oob_16+0xb4/0x3f8 [ 47.746600] kunit_try_run_case+0x14c/0x3d0 [ 47.747238] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 47.747977] kthread+0x24c/0x2d0 [ 47.748520] ret_from_fork+0x10/0x20 [ 47.749380] [ 47.749733] The buggy address belongs to the object at fff00000c40dc7a0 [ 47.749733] which belongs to the cache kmalloc-16 of size 16 [ 47.751057] The buggy address is located 0 bytes inside of [ 47.751057] allocated 13-byte region [fff00000c40dc7a0, fff00000c40dc7ad) [ 47.752577] [ 47.752861] The buggy address belongs to the physical page: [ 47.753863] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1040dc [ 47.754883] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 47.755517] page_type: f5(slab) [ 47.756093] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 47.757331] raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000 [ 47.758137] page dumped because: kasan: bad access detected [ 47.758828] [ 47.759169] Memory state around the buggy address: [ 47.759767] fff00000c40dc680: 00 00 fc fc 00 06 fc fc 00 06 fc fc fa fb fc fc [ 47.760589] fff00000c40dc700: 00 06 fc fc 00 06 fc fc fa fb fc fc fa fb fc fc [ 47.761684] >fff00000c40dc780: fa fb fc fc 00 05 fc fc 00 00 fc fc fc fc fc fc [ 47.762675] ^ [ 47.763225] fff00000c40dc800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 47.764176] fff00000c40dc880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 47.765022] ==================================================================
[ 24.956534] ================================================================== [ 24.957648] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x454/0x4a0 [ 24.959122] Write of size 16 at addr ffff888102699d20 by task kunit_try_catch/174 [ 24.960827] [ 24.961507] CPU: 0 UID: 0 PID: 174 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241127 #1 [ 24.962374] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.962956] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.963782] Call Trace: [ 24.964055] <TASK> [ 24.964713] dump_stack_lvl+0x73/0xb0 [ 24.965528] print_report+0xd1/0x640 [ 24.965924] ? __virt_addr_valid+0x1db/0x2d0 [ 24.966271] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.967568] kasan_report+0x102/0x140 [ 24.968425] ? kmalloc_oob_16+0x454/0x4a0 [ 24.969101] ? kmalloc_oob_16+0x454/0x4a0 [ 24.969677] __asan_report_store16_noabort+0x1b/0x30 [ 24.970496] kmalloc_oob_16+0x454/0x4a0 [ 24.970905] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 24.971861] ? __schedule+0xc3e/0x2790 [ 24.972330] ? __pfx_read_tsc+0x10/0x10 [ 24.972624] ? ktime_get_ts64+0x84/0x230 [ 24.973118] kunit_try_run_case+0x1b3/0x490 [ 24.973856] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.974340] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 24.974940] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.975525] ? __kthread_parkme+0x82/0x160 [ 24.976169] ? preempt_count_sub+0x50/0x80 [ 24.976652] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.976971] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.977873] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.978611] kthread+0x257/0x310 [ 24.979362] ? __pfx_kthread+0x10/0x10 [ 24.979825] ret_from_fork+0x41/0x80 [ 24.980222] ? __pfx_kthread+0x10/0x10 [ 24.980500] ret_from_fork_asm+0x1a/0x30 [ 24.981211] </TASK> [ 24.981585] [ 24.981840] Allocated by task 174: [ 24.982460] kasan_save_stack+0x3d/0x60 [ 24.982801] kasan_save_track+0x18/0x40 [ 24.983186] kasan_save_alloc_info+0x3b/0x50 [ 24.983855] __kasan_kmalloc+0xb7/0xc0 [ 24.984255] __kmalloc_cache_noprof+0x184/0x410 [ 24.985172] kmalloc_oob_16+0xa9/0x4a0 [ 24.985571] kunit_try_run_case+0x1b3/0x490 [ 24.985866] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.986659] kthread+0x257/0x310 [ 24.987226] ret_from_fork+0x41/0x80 [ 24.987494] ret_from_fork_asm+0x1a/0x30 [ 24.987802] [ 24.988176] The buggy address belongs to the object at ffff888102699d20 [ 24.988176] which belongs to the cache kmalloc-16 of size 16 [ 24.989560] The buggy address is located 0 bytes inside of [ 24.989560] allocated 13-byte region [ffff888102699d20, ffff888102699d2d) [ 24.990689] [ 24.990848] The buggy address belongs to the physical page: [ 24.991638] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102699 [ 24.992702] flags: 0x200000000000000(node=0|zone=2) [ 24.993466] page_type: f5(slab) [ 24.993715] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 24.994521] raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000 [ 24.995664] page dumped because: kasan: bad access detected [ 24.996363] [ 24.996591] Memory state around the buggy address: [ 24.997095] ffff888102699c00: 00 02 fc fc 00 02 fc fc 00 02 fc fc fa fb fc fc [ 24.997802] ffff888102699c80: fa fb fc fc fa fb fc fc 00 05 fc fc 00 04 fc fc [ 24.998689] >ffff888102699d00: fa fb fc fc 00 05 fc fc 00 00 fc fc fc fc fc fc [ 24.999112] ^ [ 24.999516] ffff888102699d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.000613] ffff888102699e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.001525] ==================================================================