diff --git a/glibc.spec b/glibc.spec
index c7a7f8a..1e1217c 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -1,4 +1,4 @@
-%global glibcsrcdir glibc-2.35.9000-256-gd05e6dc8d1
+%global glibcsrcdir glibc-2.35.9000-346-g053fe27343
 %global glibcversion 2.35.9000
 # Pre-release tarballs are pulled in from git using a command that is
 # effectively:
@@ -152,7 +152,7 @@ end}
 Summary: The GNU libc libraries
 Name: glibc
 Version: %{glibcversion}
-Release: 11%{?dist}
+Release: 12%{?dist}
 
 # In general, GPLv2+ is used by programs, LGPLv2+ is used for
 # libraries.
@@ -2169,6 +2169,99 @@ update_gconv_modules_cache ()
 %files -f compat-libpthread-nonshared.filelist -n compat-libpthread-nonshared
 
 %changelog
+* Tue Apr 05 2022 Florian Weimer <fweimer@redhat.com> - 2.35.9000-12
+- Auto-sync with upstream branch master,
+  commit 053fe273434056f551ed8f81daf750db9dab5931:
+- linux: Fix __closefrom_fallback iterates until max int (BZ#28993)
+- Remove -z combreloc and HAVE_Z_COMBRELOC
+- sparc: Remove s_abs implementations
+- ia64: Remove fabs implementations
+- x86: Remove fabs{f} implementation
+- alpha: Remove s_abs implementations
+- Allow for unpriviledged nested containers
+- Increase the test timeout of some string tests
+- realpath: Bring back GNU extension on ENOENT and EACCES [BZ #28996]
+- stdlib: Fix tst-getrandom memcmp call
+- stdlib: Fix tst-rand48.c printf types
+- elf: Remove unused functions from tst-audit25(a,b)
+- nptl: Use libc-diag.h with tst-thread-setspecific
+- crypt: Remove unused variable on cert test
+- elf: Remove unused variables in tests
+- elf: Fix wrong fscanf usage on tst-pldd
+- posix: Remove unused variable on tst-_Fork.c
+- resolv: Initialize loop variable on tst-resolv-trailing
+- locale: Remove set but unused variable on ld-collate.c
+- localedate: Fix printf type on tst_mbrtowc
+- localedata: Remove unused variables in tests
+- x86: Small improvements for wcslen
+- x86: Small improvements for wcscpy-ssse3
+- debug: Improve fdelt_chk error message
+- Add HWCAP2_AFP, HWCAP2_RPRES from Linux 5.17 to AArch64 bits/hwcap.h
+- x86: Remove AVX str{n}casecmp
+- x86: Add EVEX optimized str{n}casecmp
+- x86: Add AVX2 optimized str{n}casecmp
+- string: Expand page cross test cases in test-strncmp.c
+- string: Expand page cross test cases in test-strcmp.c
+- x86: Optimize str{n}casecmp TOLOWER logic in strcmp-sse42.S
+- x86: Optimize str{n}casecmp TOLOWER logic in strcmp.S
+- string: Expand page cross tests in test-strncasecmp.c
+- string: Expand page cross tests in test-strcasecmp.c
+- benchtests: Use json-lib in bench-strncasecmp.c
+- benchtests: Use json-lib in bench-strcasecmp.c
+- x86: Fix fallback for wcsncmp_avx2 in strcmp-avx2.S [BZ #28896]
+- x86: Remove strspn-sse2.S and use the generic implementation
+- x86: Remove strpbrk-sse2.S and use the generic implementation
+- x86: Remove strcspn-sse2.S and use the generic implementation
+- x86: Optimize strspn in strspn-c.c
+- x86: Optimize strcspn and strpbrk in strcspn-c.c
+- benchtests: Use json-lib in bench-strspn.c
+- benchtests: Use json-lib in bench-strpbrk.c
+- x86: Code cleanup in strchr-evex and comment justifying branch
+- x86: Code cleanup in strchr-avx2 and comment justifying branch
+- benchtests: Add random benchmark in bench-strchr.c
+- benchtests: Use json-lib in bench-strchr.c
+- Update kernel version to 5.17 in tst-mman-consts.py
+- iconvdata: Fix enum type on UTF-7
+- nscd: Remove unused variable
+- support: Fix support_process_state_wait path size calculation
+- support: Remove unused extract_8 function
+- locale: Remove ununsed wctype_table_get function
+- gmon: Remove unused sprofil.c functions
+- Update syscall lists for Linux 5.17
+- Fix ununsed fstatat64_time64_statx
+- malloc: Fix duplicate inline for do_set_mxfast
+- elf: Remove inline _dl_dprintf
+- configure.ac: fix bashisms in configure.ac
+- getaddrinfo: Refactor code for readability
+- Use Linux 5.17 in build-many-glibcs.py
+- resolv: Fix unaligned accesses to fields in HEADER struct
+- gai_init: Avoid jumping from if condition to its else counterpart
+- gaiconf_init: Refactor some bits for readability
+- gethosts: Return EAI_MEMORY on allocation failure
+- gaih_inet: Split result generation into its own function
+- gaih_inet: split loopback lookup into its own function
+- gaih_inet: make gethosts into a function
+- gaih_inet: separate nss lookup loop into its own function
+- gaih_inet: Split nscd lookup code into its own function.
+- gaih_inet: Split simple gethostbyname into its own function
+- gaih_inet: make numeric lookup a separate routine
+- gaih_inet: Simplify service resolution
+- getaddrinfo: Fix leak with AI_ALL [BZ #28852]
+- gaih_inet: Simplify canon name resolution
+- Simplify allocations and fix merge and continue actions [BZ #28931]
+- iconv: Add UTF-7-IMAP variant in utf-7.c
+- iconv: make utf-7.c able to use variants
+- iconv: Better mapping to RFC for UTF-7
+- iconv: Always encode "optional direct" UTF-7 characters
+- stdio-common: Add wide stream coverage to tst-vfprintf-user-type
+- libio: Flush-only _IO_str_overflow must not return EOF (bug 28949)
+- libio: Convert tst_swprintf to the test framework
+- scripts/dso-ordering-test.py: Fix C&P error in * callrefs processing
+- stdio-common: Generate ja_JP.EUC-JP locale
+- stdio-common: Re-flow and sort Makefile variables
+- nss: Sort tests and tests-container and put one test per line
+- benchtests: Use "=" instead of ":=" [BZ #28970]
+- hppa: Use END instead of PSEUDO_END in swapcontext.S
 * Tue Mar 15 2022 DJ Delorie <dj@redhat.com> - 2.35.9000-11
 - Auto-sync with upstream branch master,
   commit d05e6dc8d1032e1732542a48e0fb895432008b6e.
diff --git a/sources b/sources
index 1eb780f..9baee00 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (glibc-2.35.9000-256-gd05e6dc8d1.tar.xz) = 204d8ff3fe87f7dfd64dadc0ab8f34ad20acda54103280fe494a1da192839f0cc8b1055aeeed90cc9423d3f2f50153523482bd1e77644dd97d596e3ce2b54492
+SHA512 (glibc-2.35.9000-346-g053fe27343.tar.xz) = 66a4af1545083d86e346b3b8f3b4fdfeb2d051c0c2254613da816dbac6f72f8fba1c3098ef4a97c79ad645b37fdf56460ea80e832924650a6f9e68364fa2963e