5360edb9c7
pipe2: properly clean up vnode references on error
...
Currently, pipe2 both closes the fds and releases references to the pipe
vnode on failure. However, closing the fds already causes the vnode
references to be dropped.
Make pipe2 only release the vnode references when the respective file_t
were not closed.
Found by syzkaller fuzzing.
2026-10-09 02:11:50 -03:00
47ce33935f
mknodat: refuse to create symlinks
...
The current mknodat code creates symlinks when requested. Not only does
this break POSIX, it also causes a kernel crash (NULL-deref on
tmpfs_readlink).
Refuse to create symlinks with mknodat.
Found by syzkaller fuzzing.
2026-10-09 02:10:12 -03:00
b52882f3f7
syscalls: fix vnode cleanup in some *at syscalls
...
Some *at functions have a cleanup goto which could use an uninitialized
vnode. Fix this by defining the vnodes earlier.
Found by syzkaller fuzzing.
2026-10-09 01:41:48 -03:00
91491d825b
kernel: remove the list_t alias since it's just a typedef for node
2026-10-07 14:08:36 +03:00
9cffe521f3
kernel: use circular lists in various places
2026-10-07 10:32:08 +03:00
d214326e8e
print: add nouserprint argument
...
For some usecases, silencing syscall_print()s is ideal. A good example
of that is syzkaller, which uses logs to detect crashes and a badly
timed syscall_print() could interfere.
Add a nouserprint argument which skips printing on syscall_print().
2026-10-06 11:51:00 -03:00
e8da0eba6a
statvfs: handle vnodes without a vfs
2026-10-06 11:50:58 -03:00
6780626f29
kernel: cancel interrupted nanosleep timer without remaining pointer
2026-09-23 20:48:29 +03:00
3a421a58ad
futex: style
2026-09-15 15:06:16 -03:00
58d2e468da
futex: refactor and optimize
2026-09-15 14:57:19 -03:00
cdee765643
raw sockets: make creating them a privileged operation
2026-09-14 14:03:39 -03:00
3eaca91ff1
vfs: properly sync metadata
2026-09-14 10:11:31 -03:00
66b0cb9076
sockets: expose raw sockets to userspace
2026-09-10 17:56:54 -03:00
79752fb5e0
sock: pass protocol to sockets
2026-09-10 16:41:21 -03:00
afd9d8d3a0
rename: RENAME_NOREPLACE
2026-07-14 16:37:48 -03:00
1512b2f3c6
mm: properly implement page locking
2026-07-08 01:37:12 -03:00
f46d85fe6d
socket: fix close shutdown properly
2026-07-07 16:49:45 -03:00
c05163f191
socket: zero addresses on accept/recv by default
2026-07-07 11:24:44 -03:00
bf03d99211
getsockname: remove print
2026-07-07 01:14:49 -03:00
7f8fd07f39
sock: sock_copy_addr_to_user
2026-07-05 16:16:05 -03:00
239c267ed3
mm: rename vmm api to mm
2026-07-01 15:00:46 -03:00
d890eb5fb2
mm: vmmcache -> mm_cache
2026-07-01 12:25:18 -03:00
6f8700e678
mm: refactor pmm -> page
2026-07-01 11:56:06 -03:00
17334c8533
advlock: general fixes
2026-06-29 11:33:03 -03:00
85e12f7e7b
stat: fit AT_EMPTY_PATH
2026-06-28 11:45:17 -03:00
b74f36e984
kernel: implement eventfs/eventfd
2026-06-18 01:53:59 -03:00
29bae6bda1
fcntl: stub F_GETLK64
2026-06-17 23:11:13 -03:00
4cbc9ddfb9
fcntl: bug fixes
2026-06-16 21:03:22 -03:00
659b29ef4e
syscalls: implement sysctl and add process listing
2026-06-09 17:47:27 -03:00
1a557b7a20
localsocket: implement SOCK_SEQPACKET and a bunch of SCM_RIGHTS fixes
2026-06-04 23:19:01 -03:00
59e4cc9fbf
futex: misc fixes
2026-06-04 11:38:49 -03:00
2f27f20b1a
poll: fix ppoll signal masking
2026-06-03 20:07:50 -03:00
9eb54353a1
stat: fix use of unitialized memory
2026-05-31 21:25:34 -03:00
8a94de445f
sendmsg: support MSG_DONTWAIT
2026-05-30 12:45:28 -03:00
762552ed5f
syscalls: setpriority
2026-05-28 23:52:07 -03:00
d867dc0ad5
waitpid: fix deadlock
2026-05-23 16:57:22 -03:00
f1d4ee7e5d
fchownat: fix possible privilege escalation
2026-05-13 23:50:10 -03:00
a02c7cb731
open: fix flags bug
2026-05-13 23:50:10 -03:00
42cec91cb9
syscalls: misc vulnerability fixes
2026-04-28 21:27:51 -03:00
37c3d7f98b
sigreturn: fix use of user pointer in arch_extracontext_copy
2026-04-28 21:14:36 -03:00
4af4c3e26e
pread/pwrite: fix vulnerability
2026-04-28 18:52:49 -03:00
iretq
6086393571
abi: move CLOCK_* defines to abi.h
2026-04-25 00:55:44 -03:00
7f94276b0b
faccessat: fix use of unitialized variable
2026-04-23 23:07:16 -03:00
6678472362
futex: statically define table and mutex
2026-04-23 15:31:05 -03:00
71dd6d1125
x86-64: enable smep and smap
2026-04-23 15:29:43 -03:00
a15b034aa8
syscalls: implement clock_getres
2026-04-23 12:10:26 -03:00
8b41077128
socketpair: support flags
2026-04-23 12:09:55 -03:00
3dfb6b5a8c
waitpid: use event instead of busy loop when waiting for threads to die
2026-04-16 22:41:43 -03:00
57119aebdc
setitimer: fix invalid pointer access
2026-04-16 18:48:25 -03:00
452c95c577
open: fix possible use of unitialized variable
2026-04-16 18:35:39 -03:00
Matheus
iretq