PAX: size overflow detected in function copy_process
Posted: Sun Oct 18, 2015 7:25 pmHi, I can't use qemu with grsecurity-3.1-4.2.3-201510171833.patch
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[ 609.800924] PAX: size overflow detected in function copy_process.part.37 /home/user/linux-stable/kernel/fork.c:547 cicus.450_1034 max, count: 13, decl: vm_stat_account; num: 4; context: fndecl;
[ 609.800930] CPU: 3 PID: 4866 Comm: qemu-system-x86 Not tainted 4.2.3-grsec+ #1
[ 609.800934] 0000000000000000 fd03b720f303d905 ffffffffb2ecc1f0 0000000000000000
[ 609.800938] ffffffffb2ecc1f0 ffffffffb2b913c4 ffffffffb2ec8ba9 ffffffffb2791e25
[ 609.800941] 30d9f705fa2a221c ffff88030ba14498 cdada57769097243 ffff880035ee8400
[ 609.800944] Call Trace:
[ 609.800952] [<ffffffffb2b913c4>] ? dump_stack+0x40/0x50
[ 609.800957] [<ffffffffb2791e25>] ? report_size_overflow+0x35/0x40
[ 609.800962] [<ffffffffb2666c13>] ? copy_process.part.37+0x1913/0x2360
[ 609.800966] [<ffffffffb266782e>] ? _do_fork+0xee/0x3b0
[ 609.800971] [<ffffffffb2b971af>] ? entry_SYSCALL_64_fastpath+0x16/0x89
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[ 840.669316] INFO: task khugepaged:34 blocked for more than 120 seconds.
[ 840.669320] Not tainted 4.2.3-grsec+ #1
[ 840.669321] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 840.669323] khugepaged D ffff88031e2d1480 0 34 2 0x00000000
[ 840.669326] ffff8803103f6080 0000000000000046 ffffffffb26c2999 ffff8803103f64a0
[ 840.669328] ffff88030c187eb0 ffffffffffffffff ffff88030c187ec8 ffff88030e4252c0
[ 840.669330] 0000000000000000 ffffffffb2b931de ffff8803103f6080 ffffffffb2b95b0f
[ 840.669332] Call Trace:
[ 840.669338] [<ffffffffb26c2999>] ? lock_timer_base.isra.22+0x49/0x60
[ 840.669341] [<ffffffffb2b931de>] ? schedule+0x2e/0x70
[ 840.669343] [<ffffffffb2b95b0f>] ? rwsem_down_read_failed+0xff/0x160
[ 840.669346] [<ffffffffb28d7614>] ? call_rwsem_down_read_failed+0x14/0x30
[ 840.669348] [<ffffffffb2b953df>] ? down_read+0x1f/0x30
[ 840.669352] [<ffffffffb2779897>] ? khugepaged+0x507/0x16e0
[ 840.669355] [<ffffffffb269bf01>] ? enqueue_task_fair+0x2b1/0x1150
[ 840.669358] [<ffffffffb2616b8b>] ? native_sched_clock+0x2b/0xc0
[ 840.669361] [<ffffffffb268f86a>] ? check_preempt_curr+0x5a/0xa0
[ 840.669362] [<ffffffffb26a1013>] ? pick_next_task_fair+0x1d3/0x8d0
[ 840.669364] [<ffffffffb26a6fb0>] ? wait_woken+0x90/0x90
[ 840.669366] [<ffffffffb2779390>] ? maybe_pmd_mkwrite+0x30/0x30
[ 840.669368] [<ffffffffb2688f4b>] ? kthread+0xdb/0x100
[ 840.669370] [<ffffffffb2688e70>] ? kthread_create_on_node+0x190/0x190
[ 840.669372] [<ffffffffb2b975fe>] ? ret_from_fork+0x3e/0x70
[ 840.669373] [<ffffffffb2688e70>] ? kthread_create_on_node+0x190/0x190
[ 840.669391] INFO: task qemu-system-x86:4866 blocked for more than 120 seconds.
[ 840.669392] Not tainted 4.2.3-grsec+ #1
[ 840.669393] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 840.669394] qemu-system-x86 D 0000000000000003 0 4866 4850 0x00000000
[ 840.669396] ffff88030d14ca80 0000000000000086 ffffffffb26989f1 ffff88030d14cea0
[ 840.669397] ffff88030c187eb0 ffffffffffffffff ffff88030c187ec8 ffff88030c187eb0
[ 840.669399] 0000000000000000 ffffffffb2b931de ffff88030d14ca80 ffffffffb2b95b0f
[ 840.669401] Call Trace:
[ 840.669403] [<ffffffffb26989f1>] ? select_idle_sibling+0xb1/0x110
[ 840.669405] [<ffffffffb2b931de>] ? schedule+0x2e/0x70
[ 840.669407] [<ffffffffb2b95b0f>] ? rwsem_down_read_failed+0xff/0x160
[ 840.669411] [<ffffffffb2701a1a>] ? __delayacct_add_tsk+0x14a/0x160
[ 840.669413] [<ffffffffb28d7614>] ? call_rwsem_down_read_failed+0x14/0x30
[ 840.669414] [<ffffffffb2b953df>] ? down_read+0x1f/0x30
[ 840.669417] [<ffffffffb266aafc>] ? do_exit+0x18c/0xaa0
[ 840.669420] [<ffffffffb2674e50>] ? signal_wake_up_state+0x20/0x40
[ 840.669422] [<ffffffffb266b48f>] ? do_group_exit+0x2f/0xb0
[ 840.669428] [<ffffffffb2791e2f>] ? report_size_overflow+0x3f/0x40
[ 840.669430] [<ffffffffb2666c13>] ? copy_process.part.37+0x1913/0x2360
[ 840.669433] [<ffffffffb266782e>] ? _do_fork+0xee/0x3b0
[ 840.669435] [<ffffffffb2b971af>] ? entry_SYSCALL_64_fastpath+0x16/0x89
[ 840.669437] INFO: task qemu-system-x86:4871 blocked for more than 120 seconds.
