Don’t know what a syscall code means in your audit output? Follow these steps to find out:

  1. Find the source for your kernel: https://www.kernel.org/pub/linux/kernel/v2.6/
  2. Extract the file
  3. Go to /[yourkernelversion]/arch/[your_architecture]/include/asm
  4. Open the header file unistd_[32/64].h
  5. Find the syscall code

Defines:

#define __NR_read				0
#define __NR_write				1
#define __NR_open				2
#define __NR_close				3
#define __NR_stat				4
#define __NR_fstat				5
#define __NR_lstat				6
#define __NR_poll				7
#define __NR_lseek				8
#define __NR_mmap				9
#define __NR_mprotect				10
#define __NR_munmap				11
#define __NR_brk				12
#define __NR_rt_sigaction			13
#define __NR_rt_sigprocmask			14
#define __NR_rt_sigreturn			15
#define __NR_ioctl				16
#define __NR_pread64				17
#define __NR_pwrite64				18
#define __NR_readv				19
#define __NR_writev				20
#define __NR_access				21
#define __NR_pipe				22
#define __NR_select				23
#define __NR_sched_yield			24
#define __NR_mremap				25
#define __NR_msync				26
#define __NR_mincore				27
#define __NR_madvise				28
#define __NR_shmget				29
#define __NR_shmat				30
#define __NR_shmctl				31
#define __NR_dup				32
#define __NR_dup2				33
#define __NR_pause				34
#define __NR_nanosleep				35
#define __NR_getitimer				36
#define __NR_alarm				37
#define __NR_setitimer				38
#define __NR_getpid				39
#define __NR_sendfile				40
#define __NR_socket				41
#define __NR_connect				42
#define __NR_accept				43
#define __NR_sendto				44
#define __NR_recvfrom				45
#define __NR_sendmsg				46
#define __NR_recvmsg				47
#define __NR_shutdown				48
#define __NR_bind				49
#define __NR_listen				50
#define __NR_getsockname			51
#define __NR_getpeername			52
#define __NR_socketpair				53
#define __NR_setsockopt				54
#define __NR_getsockopt				55
#define __NR_clone				56
#define __NR_fork				57
#define __NR_vfork				58
#define __NR_execve				59
#define __NR_exit				60
#define __NR_wait4				61
#define __NR_kill				62
#define __NR_uname				63
#define __NR_semget				64
#define __NR_semop				65
#define __NR_semctl				66
#define __NR_shmdt				67
#define __NR_msgget				68
#define __NR_msgsnd				69
#define __NR_msgrcv				70
#define __NR_msgctl				71
#define __NR_fcntl				72
#define __NR_flock				73
#define __NR_fsync				74
#define __NR_fdatasync				75
#define __NR_truncate				76
#define __NR_ftruncate				77
#define __NR_getdents				78
#define __NR_getcwd				79
#define __NR_chdir				80
#define __NR_fchdir				81
#define __NR_rename				82
#define __NR_mkdir				83
#define __NR_rmdir				84
#define __NR_creat				85
#define __NR_link				86
#define __NR_unlink				87
#define __NR_symlink				88
#define __NR_readlink				89
#define __NR_chmod				90
#define __NR_fchmod				91
#define __NR_chown				92
#define __NR_fchown				93
#define __NR_lchown				94
#define __NR_umask				95
#define __NR_gettimeofday			96
#define __NR_getrlimit				97
#define __NR_getrusage				98
#define __NR_sysinfo				99
#define __NR_times				100
#define __NR_ptrace				101
#define __NR_getuid				102
#define __NR_syslog				103
#define __NR_getgid				104
#define __NR_setuid				105
#define __NR_setgid				106
#define __NR_geteuid				107
#define __NR_getegid				108
#define __NR_setpgid				109
#define __NR_getppid				110
#define __NR_getpgrp				111
#define __NR_setsid				112
#define __NR_setreuid				113
#define __NR_setregid				114
#define __NR_getgroups				115
#define __NR_setgroups				116
#define __NR_setresuid				117
#define __NR_getresuid				118
#define __NR_setresgid				119
#define __NR_getresgid				120
#define __NR_getpgid				121
#define __NR_setfsuid				122
#define __NR_setfsgid				123
#define __NR_getsid				124
#define __NR_capget				125
#define __NR_capset				126
#define __NR_rt_sigpending			127
#define __NR_rt_sigtimedwait			128
#define __NR_rt_sigqueueinfo			129
#define __NR_rt_sigsuspend			130
#define __NR_sigaltstack			131
#define __NR_utime				132
#define __NR_mknod				133
#define __NR_uselib				134
#define __NR_personality			135
#define __NR_ustat				136
#define __NR_statfs				137
#define __NR_fstatfs				138
#define __NR_sysfs				139
#define __NR_getpriority			140
#define __NR_setpriority			141
#define __NR_sched_setparam			142
#define __NR_sched_getparam			143
#define __NR_sched_setscheduler			144
#define __NR_sched_getscheduler			145
#define __NR_sched_get_priority_max		146
#define __NR_sched_get_priority_min		147
#define __NR_sched_rr_get_interval		148
#define __NR_mlock				149
#define __NR_munlock				150
#define __NR_mlockall				151
#define __NR_munlockall				152
#define __NR_vhangup				153
#define __NR_modify_ldt				154
#define __NR_pivot_root				155
#define __NR__sysctl				156
#define __NR_prctl				157
#define __NR_arch_prctl				158
#define __NR_adjtimex				159
#define __NR_setrlimit				160
#define __NR_chroot				161
#define __NR_sync				162
#define __NR_acct				163
#define __NR_settimeofday			164
#define __NR_mount				165
#define __NR_umount2				166
#define __NR_swapon				167
#define __NR_swapoff				168
#define __NR_reboot				169
#define __NR_sethostname			170
#define __NR_setdomainname			171
#define __NR_iopl				172
#define __NR_ioperm				173
#define __NR_create_module			174
#define __NR_init_module			175
#define __NR_delete_module			176
#define __NR_get_kernel_syms			177
#define __NR_query_module			178
#define __NR_quotactl				179
#define __NR_nfsservctl				180
#define __NR_getpmsg				181
#define __NR_putpmsg				182
#define __NR_afs_syscall			183
#define __NR_tuxcall				184
#define __NR_security				185
#define __NR_gettid				186
#define __NR_readahead				187
#define __NR_setxattr				188
#define __NR_lsetxattr				189
#define __NR_fsetxattr				190
#define __NR_getxattr				191
#define __NR_lgetxattr				192
#define __NR_fgetxattr				193
#define __NR_listxattr				194
#define __NR_llistxattr				195
#define __NR_flistxattr				196
#define __NR_removexattr			197
#define __NR_lremovexattr			198
#define __NR_fremovexattr			199
#define __NR_tkill				200
#define __NR_time				201
#define __NR_futex				202
#define __NR_sched_setaffinity			203
#define __NR_sched_getaffinity			204
#define __NR_set_thread_area			205
#define __NR_io_setup				206
#define __NR_io_destroy				207
#define __NR_io_getevents			208
#define __NR_io_submit				209
#define __NR_io_cancel				210
#define __NR_get_thread_area			211
#define __NR_lookup_dcookie			212
#define __NR_epoll_create			213
#define __NR_epoll_ctl_old			214
#define __NR_epoll_wait_old			215
#define __NR_remap_file_pages			216
#define __NR_getdents64				217
#define __NR_set_tid_address			218
#define __NR_restart_syscall			219
#define __NR_semtimedop				220
#define __NR_fadvise64				221
#define __NR_timer_create			222
#define __NR_timer_settime			223
#define __NR_timer_gettime			224
#define __NR_timer_getoverrun			225
#define __NR_timer_delete			226
#define __NR_clock_settime			227
#define __NR_clock_gettime			228
#define __NR_clock_getres			229
#define __NR_clock_nanosleep			230
#define __NR_exit_group				231
#define __NR_epoll_wait				232
#define __NR_epoll_ctl				233
#define __NR_tgkill				234
#define __NR_utimes				235
#define __NR_vserver				236
#define __NR_mbind				237
#define __NR_set_mempolicy			238
#define __NR_get_mempolicy			239
#define __NR_mq_open				240
#define __NR_mq_unlink				241
#define __NR_mq_timedsend			242
#define __NR_mq_timedreceive			243
#define __NR_mq_notify				244
#define __NR_mq_getsetattr			245
#define __NR_kexec_load				246
#define __NR_waitid				247
#define __NR_add_key				248
#define __NR_request_key			249
#define __NR_keyctl				250
#define __NR_ioprio_set				251
#define __NR_ioprio_get				252
#define __NR_inotify_init			253
#define __NR_inotify_add_watch			254
#define __NR_inotify_rm_watch			255
#define __NR_migrate_pages			256
#define __NR_openat				257
#define __NR_mkdirat				258
#define __NR_mknodat				259
#define __NR_fchownat				260
#define __NR_futimesat				261
#define __NR_newfstatat				262
#define __NR_unlinkat				263
#define __NR_renameat				264
#define __NR_linkat				265
#define __NR_symlinkat				266
#define __NR_readlinkat				267
#define __NR_fchmodat				268
#define __NR_faccessat				269
#define __NR_pselect6				270
#define __NR_ppoll				271
#define __NR_unshare				272
#define __NR_set_robust_list			273
#define __NR_get_robust_list			274
#define __NR_splice				275
#define __NR_tee				276
#define __NR_sync_file_range			277
#define __NR_vmsplice				278
#define __NR_move_pages				279
#define __NR_utimensat				280
#define __NR_epoll_pwait			281
#define __NR_signalfd				282
#define __NR_timerfd_create			283
#define __NR_eventfd				284
#define __NR_fallocate				285
#define __NR_timerfd_settime			286
#define __NR_timerfd_gettime			287
#define __NR_accept4				288
#define __NR_signalfd4				289
#define __NR_eventfd2				290
#define __NR_epoll_create1			291
#define __NR_dup3				292
#define __NR_pipe2				293
#define __NR_inotify_init1			294
#define __NR_preadv				295
#define __NR_pwritev				296
#define __NR_rt_tgsigqueueinfo			297
#define __NR_perf_event_open			298
#define __NR_recvmmsg				299
#define __NR_fanotify_init			300
#define __NR_fanotify_mark			301
#define __NR_prlimit64				302
#define __NR_name_to_handle_at			303
#define __NR_open_by_handle_at			304
#define __NR_clock_adjtime			305
#define __NR_syncfs                             306

By karlo