Date
June 23, 2025, 7:07 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 32.322115] ================================================================== [ 32.322384] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 32.322530] Write of size 1 at addr fff00000c577a00a by task kunit_try_catch/158 [ 32.322659] [ 32.322751] CPU: 1 UID: 0 PID: 158 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250623 #1 PREEMPT [ 32.322993] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.323152] Hardware name: linux,dummy-virt (DT) [ 32.323399] Call trace: [ 32.323469] show_stack+0x20/0x38 (C) [ 32.323592] dump_stack_lvl+0x8c/0xd0 [ 32.323718] print_report+0x118/0x608 [ 32.324100] kasan_report+0xdc/0x128 [ 32.324243] __asan_report_store1_noabort+0x20/0x30 [ 32.324595] kmalloc_large_oob_right+0x278/0x2b8 [ 32.324789] kunit_try_run_case+0x170/0x3f0 [ 32.325372] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.325826] kthread+0x328/0x630 [ 32.326116] ret_from_fork+0x10/0x20 [ 32.326374] [ 32.326675] The buggy address belongs to the physical page: [ 32.326782] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105778 [ 32.326906] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 32.327009] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 32.327235] page_type: f8(unknown) [ 32.327341] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 32.327487] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 32.327605] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 32.327789] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 32.328005] head: 0bfffe0000000002 ffffc1ffc315de01 00000000ffffffff 00000000ffffffff [ 32.328170] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 32.328335] page dumped because: kasan: bad access detected [ 32.328408] [ 32.328451] Memory state around the buggy address: [ 32.328603] fff00000c5779f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.328748] fff00000c5779f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.328891] >fff00000c577a000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 32.329062] ^ [ 32.329150] fff00000c577a080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 32.329327] fff00000c577a100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 32.329455] ==================================================================
[ 21.172030] ================================================================== [ 21.172552] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2e9/0x330 [ 21.173145] Write of size 1 at addr ffff88810282e00a by task kunit_try_catch/175 [ 21.173403] [ 21.173516] CPU: 0 UID: 0 PID: 175 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250623 #1 PREEMPT(voluntary) [ 21.173995] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.174025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 21.174048] Call Trace: [ 21.174064] <TASK> [ 21.174081] dump_stack_lvl+0x73/0xb0 [ 21.174114] print_report+0xd1/0x650 [ 21.174134] ? __virt_addr_valid+0x1db/0x2d0 [ 21.174155] ? kmalloc_large_oob_right+0x2e9/0x330 [ 21.174173] ? kasan_addr_to_slab+0x11/0xa0 [ 21.174190] ? kmalloc_large_oob_right+0x2e9/0x330 [ 21.174209] kasan_report+0x141/0x180 [ 21.174227] ? kmalloc_large_oob_right+0x2e9/0x330 [ 21.174251] __asan_report_store1_noabort+0x1b/0x30 [ 21.174273] kmalloc_large_oob_right+0x2e9/0x330 [ 21.174293] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 21.174314] ? __schedule+0x10cc/0x2b60 [ 21.174334] ? __pfx_read_tsc+0x10/0x10 [ 21.174353] ? ktime_get_ts64+0x86/0x230 [ 21.174375] kunit_try_run_case+0x1a5/0x480 [ 21.174431] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.174471] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 21.174511] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 21.174554] ? __kthread_parkme+0x82/0x180 [ 21.174594] ? preempt_count_sub+0x50/0x80 [ 21.174629] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.174652] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.174675] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 21.174697] kthread+0x337/0x6f0 [ 21.174714] ? trace_preempt_on+0x20/0xc0 [ 21.174735] ? __pfx_kthread+0x10/0x10 [ 21.174754] ? _raw_spin_unlock_irq+0x47/0x80 [ 21.174773] ? calculate_sigpending+0x7b/0xa0 [ 21.174794] ? __pfx_kthread+0x10/0x10 [ 21.174814] ret_from_fork+0x116/0x1d0 [ 21.174835] ? __pfx_kthread+0x10/0x10 [ 21.174875] ret_from_fork_asm+0x1a/0x30 [ 21.174906] </TASK> [ 21.174917] [ 21.183994] The buggy address belongs to the physical page: [ 21.185252] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10282c [ 21.185686] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 21.186202] flags: 0x200000000000040(head|node=0|zone=2) [ 21.186634] page_type: f8(unknown) [ 21.186767] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 21.187335] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 21.187943] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 21.188481] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 21.188949] head: 0200000000000002 ffffea00040a0b01 00000000ffffffff 00000000ffffffff [ 21.189469] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 21.190117] page dumped because: kasan: bad access detected [ 21.190509] [ 21.190609] Memory state around the buggy address: [ 21.190919] ffff88810282df00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.191636] ffff88810282df80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.192176] >ffff88810282e000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 21.192433] ^ [ 21.192685] ffff88810282e080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 21.193422] ffff88810282e100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 21.193717] ==================================================================