Date
May 12, 2025, 6:12 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.832937] ================================================================== [ 17.833635] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x2f4/0x330 [ 17.834327] Read of size 1 at addr fff00000c617d000 by task kunit_try_catch/129 [ 17.835918] [ 17.836228] CPU: 1 UID: 0 PID: 129 Comm: kunit_try_catch Tainted: G B N 6.14.7-rc1 #1 [ 17.836378] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.836410] Hardware name: linux,dummy-virt (DT) [ 17.836467] Call trace: [ 17.836515] show_stack+0x20/0x38 (C) [ 17.836626] dump_stack_lvl+0x8c/0xd0 [ 17.836723] print_report+0x118/0x608 [ 17.836838] kasan_report+0xdc/0x128 [ 17.836889] __asan_report_load1_noabort+0x20/0x30 [ 17.836939] kmalloc_node_oob_right+0x2f4/0x330 [ 17.836988] kunit_try_run_case+0x170/0x3f0 [ 17.837038] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.837092] kthread+0x318/0x620 [ 17.837141] ret_from_fork+0x10/0x20 [ 17.837194] [ 17.841978] Allocated by task 129: [ 17.842327] kasan_save_stack+0x3c/0x68 [ 17.843951] kasan_save_track+0x20/0x40 [ 17.844356] kasan_save_alloc_info+0x40/0x58 [ 17.844847] __kasan_kmalloc+0xd4/0xd8 [ 17.845274] __kmalloc_cache_node_noprof+0x168/0x3d0 [ 17.845758] kmalloc_node_oob_right+0xbc/0x330 [ 17.846247] kunit_try_run_case+0x170/0x3f0 [ 17.847095] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.847556] kthread+0x318/0x620 [ 17.847917] ret_from_fork+0x10/0x20 [ 17.848269] [ 17.848532] The buggy address belongs to the object at fff00000c617c000 [ 17.848532] which belongs to the cache kmalloc-4k of size 4096 [ 17.849421] The buggy address is located 0 bytes to the right of [ 17.849421] allocated 4096-byte region [fff00000c617c000, fff00000c617d000) [ 17.850295] [ 17.851439] The buggy address belongs to the physical page: [ 17.851848] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106178 [ 17.852832] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 17.853475] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 17.854134] page_type: f5(slab) [ 17.854960] raw: 0bfffe0000000040 fff00000c0002140 dead000000000122 0000000000000000 [ 17.855489] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000 [ 17.856043] head: 0bfffe0000000040 fff00000c0002140 dead000000000122 0000000000000000 [ 17.856666] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000 [ 17.857297] head: 0bfffe0000000003 ffffc1ffc3185e01 ffffffffffffffff 0000000000000000 [ 17.857844] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 17.858426] page dumped because: kasan: bad access detected [ 17.859727] [ 17.860016] Memory state around the buggy address: [ 17.860373] fff00000c617cf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.861097] fff00000c617cf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.861636] >fff00000c617d000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.862291] ^ [ 17.862632] fff00000c617d080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.863243] fff00000c617d100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.864240] ==================================================================
[ 11.739255] ================================================================== [ 11.739724] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x36b/0x3d0 [ 11.739981] Read of size 1 at addr ffff888102b7b000 by task kunit_try_catch/148 [ 11.741140] [ 11.741573] CPU: 1 UID: 0 PID: 148 Comm: kunit_try_catch Tainted: G B N 6.14.7-rc1 #1 [ 11.741664] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.741772] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.741795] Call Trace: [ 11.741811] <TASK> [ 11.741832] dump_stack_lvl+0x73/0xb0 [ 11.741876] print_report+0xd1/0x650 [ 11.741898] ? __virt_addr_valid+0x1db/0x2d0 [ 11.741921] ? kmalloc_node_oob_right+0x36b/0x3d0 [ 11.741943] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.741969] ? kmalloc_node_oob_right+0x36b/0x3d0 [ 11.742014] kasan_report+0x140/0x180 [ 11.742050] ? kmalloc_node_oob_right+0x36b/0x3d0 [ 11.742077] __asan_report_load1_noabort+0x18/0x20 [ 11.742099] kmalloc_node_oob_right+0x36b/0x3d0 [ 11.742122] ? __pfx_kmalloc_node_oob_right+0x10/0x10 [ 11.742147] ? __pfx_kmalloc_node_oob_right+0x10/0x10 [ 11.742173] kunit_try_run_case+0x1a6/0x480 [ 11.742197] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.742218] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 11.742239] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.742264] ? __kthread_parkme+0x82/0x160 [ 11.742286] ? preempt_count_sub+0x50/0x80 [ 11.742311] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.742332] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.742357] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.742382] kthread+0x324/0x6e0 [ 11.742403] ? trace_preempt_on+0x20/0xc0 [ 11.742426] ? __pfx_kthread+0x10/0x10 [ 11.742448] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.742471] ? calculate_sigpending+0x7b/0xa0 [ 11.742491] ? __pfx_kthread+0x10/0x10 [ 11.742513] ret_from_fork+0x41/0x80 [ 11.742532] ? __pfx_kthread+0x10/0x10 [ 11.742554] ret_from_fork_asm+0x1a/0x30 [ 11.742584] </TASK> [ 11.742595] [ 11.754276] Allocated by task 148: [ 11.754662] kasan_save_stack+0x45/0x70 [ 11.755139] kasan_save_track+0x18/0x40 [ 11.755296] kasan_save_alloc_info+0x3b/0x50 [ 11.755638] __kasan_kmalloc+0xb7/0xc0 [ 11.756210] __kmalloc_cache_node_noprof+0x189/0x420 [ 11.756544] kmalloc_node_oob_right+0xac/0x3d0 [ 11.756701] kunit_try_run_case+0x1a6/0x480 [ 11.756859] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.757220] kthread+0x324/0x6e0 [ 11.757542] ret_from_fork+0x41/0x80 [ 11.757906] ret_from_fork_asm+0x1a/0x30 [ 11.758387] [ 11.758554] The buggy address belongs to the object at ffff888102b7a000 [ 11.758554] which belongs to the cache kmalloc-4k of size 4096 [ 11.759701] The buggy address is located 0 bytes to the right of [ 11.759701] allocated 4096-byte region [ffff888102b7a000, ffff888102b7b000) [ 11.760552] [ 11.760631] The buggy address belongs to the physical page: [ 11.760891] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b78 [ 11.762259] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 11.762940] flags: 0x200000000000040(head|node=0|zone=2) [ 11.763590] page_type: f5(slab) [ 11.763719] raw: 0200000000000040 ffff888100042140 dead000000000122 0000000000000000 [ 11.763974] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000 [ 11.764788] head: 0200000000000040 ffff888100042140 dead000000000122 0000000000000000 [ 11.765574] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000 [ 11.766590] head: 0200000000000003 ffffea00040ade01 ffffffffffffffff 0000000000000000 [ 11.766833] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 11.767423] page dumped because: kasan: bad access detected [ 11.767966] [ 11.768223] Memory state around the buggy address: [ 11.768678] ffff888102b7af00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.769425] ffff888102b7af80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.769757] >ffff888102b7b000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.770080] ^ [ 11.770431] ffff888102b7b080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.771512] ffff888102b7b100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.772227] ==================================================================