Date
May 12, 2025, 6:12 p.m.
Environment | |
---|---|
qemu-arm64 | |
qemu-x86_64 |
[ 20.683785] ================================================================== [ 20.684360] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x2b8/0x310 [ 20.684802] Read of size 1 at addr ffff800080bc7b5f by task kunit_try_catch/240 [ 20.685206] [ 20.685407] CPU: 0 UID: 0 PID: 240 Comm: kunit_try_catch Tainted: G B N 6.14.7-rc1 #1 [ 20.685510] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.685542] Hardware name: linux,dummy-virt (DT) [ 20.685583] Call trace: [ 20.685613] show_stack+0x20/0x38 (C) [ 20.685674] dump_stack_lvl+0x8c/0xd0 [ 20.685734] print_report+0x310/0x608 [ 20.685806] kasan_report+0xdc/0x128 [ 20.685859] __asan_report_load1_noabort+0x20/0x30 [ 20.685916] kasan_alloca_oob_left+0x2b8/0x310 [ 20.685971] kunit_try_run_case+0x170/0x3f0 [ 20.686026] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.686110] kthread+0x318/0x620 [ 20.686169] ret_from_fork+0x10/0x20 [ 20.686230] [ 20.690733] The buggy address belongs to stack of task kunit_try_catch/240 [ 20.691721] [ 20.691955] The buggy address belongs to the virtual mapping at [ 20.691955] [ffff800080bc0000, ffff800080bc9000) created by: [ 20.691955] kernel_clone+0x150/0x7a8 [ 20.692606] [ 20.692789] The buggy address belongs to the physical page: [ 20.693052] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106653 [ 20.693453] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.693835] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 20.694194] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 20.695232] page dumped because: kasan: bad access detected [ 20.695565] [ 20.695676] Memory state around the buggy address: [ 20.695938] ffff800080bc7a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.696338] ffff800080bc7a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.696678] >ffff800080bc7b00: 00 00 00 00 00 00 00 00 ca ca ca ca 00 02 cb cb [ 20.697083] ^ [ 20.697437] ffff800080bc7b80: cb cb cb cb 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2 [ 20.697769] ffff800080bc7c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00 [ 20.698207] ==================================================================
[ 14.229258] ================================================================== [ 14.229709] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_left+0x322/0x380 [ 14.230164] Read of size 1 at addr ffff888102be7c3f by task kunit_try_catch/259 [ 14.230508] [ 14.230615] CPU: 1 UID: 0 PID: 259 Comm: kunit_try_catch Tainted: G B N 6.14.7-rc1 #1 [ 14.230663] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.230687] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.230711] Call Trace: [ 14.230725] <TASK> [ 14.230746] dump_stack_lvl+0x73/0xb0 [ 14.230775] print_report+0xd1/0x650 [ 14.230808] ? __virt_addr_valid+0x1db/0x2d0 [ 14.230832] ? kasan_alloca_oob_left+0x322/0x380 [ 14.230869] ? kasan_addr_to_slab+0x11/0xa0 [ 14.230889] ? kasan_alloca_oob_left+0x322/0x380 [ 14.230910] kasan_report+0x140/0x180 [ 14.230933] ? kasan_alloca_oob_left+0x322/0x380 [ 14.230960] __asan_report_load1_noabort+0x18/0x20 [ 14.230992] kasan_alloca_oob_left+0x322/0x380 [ 14.231076] ? __schedule+0xce8/0x2840 [ 14.231101] ? finish_task_switch.isra.0+0x153/0x700 [ 14.231129] ? finish_task_switch.isra.0+0x156/0x700 [ 14.231154] ? __pfx_kasan_alloca_oob_left+0x10/0x10 [ 14.231179] ? __schedule+0xce8/0x2840 [ 14.231203] ? __pfx_read_tsc+0x10/0x10 [ 14.231235] ? ktime_get_ts64+0x86/0x230 [ 14.231261] kunit_try_run_case+0x1a6/0x480 [ 14.231285] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.231317] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 14.231339] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.231364] ? __kthread_parkme+0x82/0x160 [ 14.231386] ? preempt_count_sub+0x50/0x80 [ 14.231419] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.231441] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.231467] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.231502] kthread+0x324/0x6e0 [ 14.231524] ? trace_preempt_on+0x20/0xc0 [ 14.231548] ? __pfx_kthread+0x10/0x10 [ 14.231570] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.231593] ? calculate_sigpending+0x7b/0xa0 [ 14.231616] ? __pfx_kthread+0x10/0x10 [ 14.231638] ret_from_fork+0x41/0x80 [ 14.231658] ? __pfx_kthread+0x10/0x10 [ 14.231680] ret_from_fork_asm+0x1a/0x30 [ 14.231714] </TASK> [ 14.231725] [ 14.241491] The buggy address belongs to stack of task kunit_try_catch/259 [ 14.242291] [ 14.242409] The buggy address belongs to the physical page: [ 14.242617] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102be7 [ 14.243313] flags: 0x200000000000000(node=0|zone=2) [ 14.243717] raw: 0200000000000000 ffffea00040af9c8 ffffea00040af9c8 0000000000000000 [ 14.244227] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 14.244650] page dumped because: kasan: bad access detected [ 14.244908] [ 14.245007] Memory state around the buggy address: [ 14.245398] ffff888102be7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.245690] ffff888102be7b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.246004] >ffff888102be7c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb [ 14.246585] ^ [ 14.246804] ffff888102be7c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00 [ 14.247284] ffff888102be7d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 14.247612] ==================================================================