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Helge Deller 47d1e98231 util/interval-tree: Check root for null in interval_tree_iter_first 
Fix a crash in qemu-user when running

    cat /proc/self/maps

in a chroot, where /proc isn't mounted.

The problem was introduced by commit 3ce3dd8ca965 ("util/selfmap:
Rewrite using qemu/interval-tree.h") where in open_self_maps_1() the
function read_self_maps() is called and which returns NULL if it can't
read the hosts /proc/self/maps file. Afterwards that NULL is fed into
interval_tree_iter_first() which doesn't check if the root node is NULL.

Fix it by adding a check if root is NULL and return NULL in that case.

Signed-off-by: Helge Deller <deller@gmx.de>
Fixes: 3ce3dd8ca965 ("util/selfmap: Rewrite using qemu/interval-tree.h")
Message-Id: <ZNOsq6Z7t/eyIG/9@p100>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-08-09 09:26:32 -07:00
..
aio-posix.c
aio: remove aio_disable_external() API
2023-05-30 17:37:26 +02:00
aio-posix.h
aio: remove aio_disable_external() API
2023-05-30 17:37:26 +02:00
aio-wait.c
aio-wait: avoid AioContext lock in aio_wait_bh_oneshot()
2023-05-10 14:15:13 +02:00
aio-win32.c
aio: remove aio_disable_external() API
2023-05-30 17:37:26 +02:00
aiocb.c
…
async-teardown.c
os-posix: Allow 'chroot' via '-run-with' and deprecate the old '-chroot' option
2023-07-10 15:34:57 +02:00
async.c
aio: remove aio_disable_external() API
2023-05-30 17:37:26 +02:00
atomic64.c
osdep: Move memalign-related functions to their own header
2022-03-07 13:16:49 +00:00
base64.c
nomaintainer: Fix Lesser GPL version number
2020-11-15 17:04:40 +01:00
bitmap.c
migration: Use non-atomic ops for clear log bitmap
2022-11-21 11:58:10 +01:00
bitops.c
replace TABs with spaces
2023-03-20 12:43:50 +01:00
block-helpers.c
block: move logical block size check function to a common utility function
2020-10-23 13:42:16 +01:00
block-helpers.h
block: move logical block size check function to a common utility function
2020-10-23 13:42:16 +01:00
buffer.c
nomaintainer: Fix Lesser GPL version number
2020-11-15 17:04:40 +01:00
bufferiszero.c
util/bufferiszero: Use i386 host/cpuinfo.h
2023-05-23 16:51:13 -07:00
cacheflush.c
util/cacheflush: Avoid possible redundant dcache flush on Darwin
2023-06-13 11:28:58 +02:00
compatfd.c
util: replace pipe()+cloexec with g_unix_open_pipe()
2022-05-03 15:18:14 +04:00
coroutine-sigaltstack.c
Remove qemu-common.h include from most units
2022-04-06 14:31:55 +02:00
coroutine-ucontext.c
coroutine-ucontext: use QEMU_DEFINE_STATIC_CO_TLS()
2022-05-04 15:55:23 +02:00
coroutine-windows.c
build: move coroutine backend selection to meson
2023-05-18 08:53:52 +02:00
cpuinfo-aarch64.c
host/include/aarch64: Implement aes-round.h
2023-07-08 07:30:17 +01:00
cpuinfo-i386.c
host/include/i386: Implement aes-round.h
2023-07-08 07:30:17 +01:00
cpuinfo-ppc.c
host/include/ppc: Implement aes-round.h
2023-07-08 07:30:17 +01:00
crc32c.c
igb: Implement Rx SCTP CSO
2023-05-23 15:20:15 +08:00
crc-ccitt.c
util: Add CRC16 (CCITT) calculation routines
2021-01-24 20:10:54 +01:00
cutils.c
cutils: Improve qemu_strtosz handling of fractions
2023-06-02 12:29:27 -05:00
dbus.c
util: add dbus helper unit
2020-01-06 18:41:32 +04:00
drm.c
util/drm: make portable by avoiding struct dirent d_type
2020-07-13 14:36:10 +01:00
envlist.c
replace TABs with spaces
2023-03-20 12:43:50 +01:00
error-report.c
util/error: add G_GNUC_PRINTF for various functions
2023-01-11 10:44:34 +01:00
error.c
util/error: Fix use-after-free errors reported by Coverity
2023-04-06 12:38:42 -04:00
event_notifier-posix.c
Replace qemu_pipe() with g_unix_open_pipe()
2022-05-03 15:17:56 +04:00
event_notifier-win32.c
Remove qemu-common.h include from most units
2022-04-06 14:31:55 +02:00
fdmon-epoll.c
aio: remove aio_disable_external() API
2023-05-30 17:37:26 +02:00
fdmon-io_uring.c
aio: remove aio_disable_external() API
2023-05-30 17:37:26 +02:00
fdmon-poll.c
aio: remove aio_disable_external() API
2023-05-30 17:37:26 +02:00
fifo8.c
utils/fifo8: change fatal errors from abort() to assert()
2021-02-07 20:38:20 +00:00
filemonitor-inotify.c
nomaintainer: Fix Lesser GPL version number
2020-11-15 17:04:40 +01:00
filemonitor-stub.c
nomaintainer: Fix Lesser GPL version number
2020-11-15 17:04:40 +01:00
getauxval.c
util/getauxval: Porting to FreeBSD getauxval feature
2020-06-26 06:45:29 -04:00
guest-random.c
cutils: Adjust signature of parse_uint[_full]
2023-06-02 12:27:19 -05:00
hbitmap.c
hbitmap: fix hbitmap_status() return value for first dirty bit case
2023-02-17 14:34:24 +01:00
hexdump.c
include: move C/util-related declarations to cutils.h
2022-04-06 14:31:43 +02:00
host-utils.c
host-utils: Implemented signed 256-by-128 division
2022-06-20 08:38:58 -03:00
id.c
net: Use id_generate() in the network subsystem, too
2021-03-09 21:47:45 +01:00
int128.c
include/qemu/int128: Use Int128 structure for TCI
2023-02-04 06:19:42 -10:00
interval-tree.c
util/interval-tree: Check root for null in interval_tree_iter_first
2023-08-09 09:26:32 -07:00
iov.c
util/iov: Remove qemu_iovec_init_extended()
2023-06-05 13:11:24 +02:00
iova-tree.c
util: accept iova_tree_remove_parameter by value
2022-09-02 10:22:39 +08:00
keyval.c
include: add qemu/keyval.h
2022-04-21 17:03:51 +04:00
lockcnt.c
qemu/atomic.h: rename atomic_ to qatomic_
2020-09-23 16:07:44 +01:00
log.c
util/log: Add vector registers to log
2023-06-13 17:42:01 +10:00
main-loop.c
aio: remove aio_disable_external() API
2023-05-30 17:37:26 +02:00
memalign.c
osdep: Move memalign-related functions to their own header
2022-03-07 13:16:49 +00:00
memfd.c
linux-user: add memfd_create
2019-09-11 08:46:17 +02:00
meson.build
util: Add cpuinfo-ppc.c
2023-07-08 07:30:17 +01:00
mmap-alloc.c
util/mmap-alloc: qemu_fd_getfs()
2023-04-24 11:29:00 +02:00
module.c
module: add Error arguments to module_load and module_load_qom
2022-11-06 09:48:50 +01:00
notify.c
xen / notify: introduce a new XenWatchList abstraction
2019-09-24 12:18:47 +01:00
nvdimm-utils.c
Clean up includes
2020-12-10 17:16:44 +01:00
osdep.c
error handling: Use RETRY_ON_EINTR() macro where applicable
2023-01-09 13:50:47 +01:00
oslib-posix.c
util: drop qemu_fork()
2023-03-13 15:23:37 +04:00
oslib-win32.c
util/oslib-win32: Fix compiling with Clang from MSYS2
2023-08-03 13:04:35 +02:00
path.c
util/path: Do not cache all filenames at startup
2019-06-24 22:19:30 +02:00
qdist.c
…
qemu-co-shared-resource.c
co-shared-resource: protect with a mutex
2021-06-25 14:24:24 +03:00
qemu-co-timeout.c
util: add qemu-co-timeout
2022-06-29 10:56:12 +03:00
qemu-config.c
error: Drop superfluous #include "qapi/qmp/qerror.h"
2023-02-23 13:56:14 +01:00
qemu-coroutine-io.c
aio: remove aio_disable_external() API
2023-05-30 17:37:26 +02:00
qemu-coroutine-lock.c
atomics: eliminate mb_read/mb_set
2023-06-06 09:42:14 +02:00
qemu-coroutine-sleep.c
coroutine: Clean up superfluous inclusion of qemu/coroutine.h
2023-01-19 10:18:28 +01:00
qemu-coroutine.c
qemu-coroutine: remove qatomic_mb_read()
2023-04-20 11:17:35 +02:00
qemu-option.c
qemu-option: Allow deleting opts during qemu_opts_foreach()
2021-10-15 16:11:22 +02:00
qemu-print.c
monitor: Use getter/setter functions for cur_mon
2020-10-09 07:08:19 +02:00
qemu-progress.c
include: move progress API to qemu-progress.h
2022-04-06 14:31:43 +02:00
qemu-sockets.c
cutils: Adjust signature of parse_uint[_full]
2023-06-02 12:27:19 -05:00
qemu-thread-common.h
Clean up includes
2018-12-20 10:29:08 +01:00
qemu-thread-posix.c
qemu-thread-posix: cleanup, fix, document QemuEvent
2023-03-07 12:38:40 +01:00
qemu-thread-win32.c
qemu-thread-win32: cleanup, fix, document QemuEvent
2023-03-07 12:38:40 +01:00
qemu-timer-common.c
semihosting: Implement SYS_ELAPSED and SYS_TICKFREQ
2021-01-18 10:05:06 +00:00
qemu-timer.c
qemu-timer: Skip empty timer lists before locking in qemu_clock_deadline_ns_all
2022-06-21 09:24:34 -07:00
qht.c
util/qht: use striped locks under TSAN
2023-02-02 11:48:20 +00:00
qsp.c
accel/tcg: include cs_base in our hash calculations
2023-06-01 11:05:05 -04:00
qtree.c
tcg: use QTree instead of GTree
2023-03-28 15:23:10 -07:00
range.c
Don't talk about the LGPL if the file is licensed under the GPL
2019-01-30 10:51:20 +01:00
rcu.c
call_rcu: stop using mb_set/mb_read
2023-05-08 11:10:49 +02:00
readline.c
readline: Extract readline_add_completion_of() from monitor
2023-02-04 07:56:54 +01:00
selfmap.c
util/selfmap: Rewrite using qemu/interval-tree.h
2023-08-08 13:27:17 -07:00
stats64.c
stat64: Add stat64_set() operation
2023-04-27 16:39:43 +02:00
sys_membarrier.c
…
systemd.c
systemd: Also clear LISTEN_FDNAMES during systemd socket activation
2023-05-03 14:00:08 -05:00
thread-context.c
qapi: Use returned bool to check for failure (again)
2022-12-14 16:19:35 +01:00
thread-pool.c
thread-pool: signal "request_cond" while locked
2023-08-01 10:22:33 +01:00
throttle.c
Remove superfluous timer_del() calls
2021-01-08 15:13:38 +00:00
timed-average.c
…
trace-events
console/win32: allocate shareable display surface
2023-06-27 17:08:56 +02:00
trace.h
trace: switch position of headers to what Meson requires
2020-08-21 06:18:24 -04:00
transactions.c
transactions: Invoke clean() after everything else
2021-11-16 09:43:44 +01:00
unicode.c
json: Reject invalid UTF-8 sequences
2018-08-24 20:26:37 +02:00
uri.c
Updated the FSF address to <https://www.gnu.org/licenses/>
2023-02-27 09:15:39 +01:00
userfaultfd.c
util/userfaultfd: Support /dev/userfaultfd
2023-02-11 16:51:09 +01:00
uuid.c
Include qemu-common.h exactly where needed
2019-06-12 13:20:20 +02:00
vfio-helpers.c
util/vfio-helpers: Use g_file_read_link()
2023-05-24 09:21:22 +02:00
vhost-user-server.c
aio: remove aio_disable_external() API
2023-05-30 17:37:26 +02:00
yank.c
yank: Remove dependency on qiochannel
2021-04-01 15:27:44 +04:00