Date
July 17, 2025, 11:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 15.095670] ================================================================== [ 15.095880] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 15.095936] Write of size 1 at addr fff00000c65c200a by task kunit_try_catch/147 [ 15.096117] [ 15.096154] CPU: 0 UID: 0 PID: 147 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 15.096236] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.096366] Hardware name: linux,dummy-virt (DT) [ 15.096404] Call trace: [ 15.096425] show_stack+0x20/0x38 (C) [ 15.096688] dump_stack_lvl+0x8c/0xd0 [ 15.096868] print_report+0x118/0x5d0 [ 15.096939] kasan_report+0xdc/0x128 [ 15.096993] __asan_report_store1_noabort+0x20/0x30 [ 15.097043] kmalloc_large_oob_right+0x278/0x2b8 [ 15.097327] kunit_try_run_case+0x170/0x3f0 [ 15.097542] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.097786] kthread+0x328/0x630 [ 15.098122] ret_from_fork+0x10/0x20 [ 15.098656] [ 15.098775] The buggy address belongs to the physical page: [ 15.098936] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065c0 [ 15.099151] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 15.099407] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 15.099566] page_type: f8(unknown) [ 15.099869] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 15.100065] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 15.100248] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 15.100330] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 15.100491] head: 0bfffe0000000002 ffffc1ffc3197001 00000000ffffffff 00000000ffffffff [ 15.100568] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 15.100748] page dumped because: kasan: bad access detected [ 15.100880] [ 15.100900] Memory state around the buggy address: [ 15.100932] fff00000c65c1f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 15.101014] fff00000c65c1f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 15.101170] >fff00000c65c2000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 15.101386] ^ [ 15.101500] fff00000c65c2080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 15.101547] fff00000c65c2100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 15.101937] ==================================================================
[ 12.512691] ================================================================== [ 12.513856] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2e9/0x330 [ 12.514111] Write of size 1 at addr ffff8881027ce00a by task kunit_try_catch/163 [ 12.514329] [ 12.514753] CPU: 0 UID: 0 PID: 163 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 12.515008] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.515026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.515048] Call Trace: [ 12.515061] <TASK> [ 12.515080] dump_stack_lvl+0x73/0xb0 [ 12.515115] print_report+0xd1/0x610 [ 12.515138] ? __virt_addr_valid+0x1db/0x2d0 [ 12.515163] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.515188] ? kasan_addr_to_slab+0x11/0xa0 [ 12.515209] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.515311] kasan_report+0x141/0x180 [ 12.515347] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.515374] __asan_report_store1_noabort+0x1b/0x30 [ 12.515418] kmalloc_large_oob_right+0x2e9/0x330 [ 12.515443] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 12.515467] ? __schedule+0x10cc/0x2b60 [ 12.515491] ? __pfx_read_tsc+0x10/0x10 [ 12.515512] ? ktime_get_ts64+0x86/0x230 [ 12.515538] kunit_try_run_case+0x1a5/0x480 [ 12.515576] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.515599] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.515623] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.515647] ? __kthread_parkme+0x82/0x180 [ 12.515668] ? preempt_count_sub+0x50/0x80 [ 12.515692] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.515717] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.515741] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.515767] kthread+0x337/0x6f0 [ 12.515786] ? trace_preempt_on+0x20/0xc0 [ 12.515809] ? __pfx_kthread+0x10/0x10 [ 12.515830] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.515851] ? calculate_sigpending+0x7b/0xa0 [ 12.515877] ? __pfx_kthread+0x10/0x10 [ 12.515898] ret_from_fork+0x116/0x1d0 [ 12.515917] ? __pfx_kthread+0x10/0x10 [ 12.515937] ret_from_fork_asm+0x1a/0x30 [ 12.515968] </TASK> [ 12.515979] [ 12.530800] The buggy address belongs to the physical page: [ 12.531257] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027cc [ 12.531520] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.531930] flags: 0x200000000000040(head|node=0|zone=2) [ 12.532705] page_type: f8(unknown) [ 12.533069] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.533433] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.534204] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.534906] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.535377] head: 0200000000000002 ffffea000409f301 00000000ffffffff 00000000ffffffff [ 12.535813] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 12.536048] page dumped because: kasan: bad access detected [ 12.536221] [ 12.536292] Memory state around the buggy address: [ 12.536845] ffff8881027cdf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.537649] ffff8881027cdf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.538424] >ffff8881027ce000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.539144] ^ [ 12.539532] ffff8881027ce080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.540260] ffff8881027ce100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.541252] ==================================================================