# git rev-parse -q --verify 0214f46b3a0383d6e33c297e7706216b6a550e4b^{commit} 0214f46b3a0383d6e33c297e7706216b6a550e4b already have revision, skipping fetch # git checkout -q -f -B kisskb 0214f46b3a0383d6e33c297e7706216b6a550e4b # git clean -qxdf # < git log -1 # commit 0214f46b3a0383d6e33c297e7706216b6a550e4b # Merge: 40fafdc 84fe4cc # Author: Linus Torvalds # Date: Tue Aug 21 13:47:29 2018 -0700 # # Merge branch 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace # # Pull core signal handling updates from Eric Biederman: # "It was observed that a periodic timer in combination with a # sufficiently expensive fork could prevent fork from every completing. # This contains the changes to remove the need for that restart. # # This set of changes is split into several parts: # # - The first part makes PIDTYPE_TGID a proper pid type instead # something only for very special cases. The part starts using # PIDTYPE_TGID enough so that in __send_signal where signals are # actually delivered we know if the signal is being sent to a a group # of processes or just a single process. # # - With that prep work out of the way the logic in fork is modified so # that fork logically makes signals received while it is running # appear to be received after the fork completes" # # * 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: (22 commits) # signal: Don't send signals to tasks that don't exist # signal: Don't restart fork when signals come in. # fork: Have new threads join on-going signal group stops # fork: Skip setting TIF_SIGPENDING in ptrace_init_task # signal: Add calculate_sigpending() # fork: Unconditionally exit if a fatal signal is pending # fork: Move and describe why the code examines PIDNS_ADDING # signal: Push pid type down into complete_signal. # signal: Push pid type down into __send_signal # signal: Push pid type down into send_signal # signal: Pass pid type into do_send_sig_info # signal: Pass pid type into send_sigio_to_task & send_sigurg_to_task # signal: Pass pid type into group_send_sig_info # signal: Pass pid and pid type into send_sigqueue # posix-timers: Noralize good_sigevent # signal: Use PIDTYPE_TGID to clearly store where file signals will be sent # pid: Implement PIDTYPE_TGID # pids: Move the pgrp and session pid pointers from task_struct to signal_struct # kvm: Don't open code task_pid in kvm_vcpu_ioctl # pids: Compute task_tgid using signal->leader_pid # ... # < /opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-gcc --version # < git log --format=%s --max-count=1 0214f46b3a0383d6e33c297e7706216b6a550e4b # < make -s -j 8 ARCH=i386 O=/kisskb/build/linus-rand_i386-randconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux- randconfig KCONFIG_SEED=0x4B261AFC # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # yes \n | make -s -j 8 ARCH=i386 O=/kisskb/build/linus-rand_i386-randconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux- oldconfig yes: standard output: Broken pipe yes: write error # make -s -j 8 ARCH=i386 O=/kisskb/build/linus-rand_i386-randconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux- /kisskb/src/arch/x86/kernel/apic/io_apic.c: In function 'mp_map_pin_to_irq': /kisskb/src/arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /kisskb/src/kernel/cgroup/cgroup-v1.c:1256:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] In file included from /kisskb/src/mm/mprotect.c:23:0: /kisskb/src/include/linux/swapops.h: In function 'swp_entry_to_pte': /kisskb/src/include/linux/swapops.h:85:2: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See for instructions. /kisskb/src/scripts/Makefile.build:307: recipe for target 'mm/mprotect.o' failed make[2]: *** [mm/mprotect.o] Error 1 /kisskb/src/Makefile:1057: recipe for target 'mm' failed make[1]: *** [mm] Error 2 make[1]: *** Waiting for unfinished jobs.... /kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap': /kisskb/src/arch/x86/kernel/e820.c:653:2: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/kernel/hw_breakpoint.c: In function 'hw_breakpoint_arch_parse': /kisskb/src/arch/x86/kernel/hw_breakpoint.c:366:18: warning: 'align' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/file.c: In function 'f2fs_precache_extents': /kisskb/src/fs/f2fs/file.c:2823:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1833:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2511:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/rcu/srcutree.c: In function 'init_srcu_struct_nodes': /kisskb/src/kernel/rcu/srcutree.c:148:32: warning: 'levelspread[]' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/node.c: In function '__set_nat_cache_dirty': /kisskb/src/include/linux/list.h:93:12: warning: 'head' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/node.c:225:24: note: 'head' was declared here /kisskb/src/fs/f2fs/sysfs.c:519:12: warning: 'segment_info_seq_show' defined but not used [-Wunused-function] /kisskb/src/fs/f2fs/sysfs.c:546:12: warning: 'segment_bits_seq_show' defined but not used [-Wunused-function] /kisskb/src/fs/f2fs/sysfs.c:570:12: warning: 'iostat_info_seq_show' defined but not used [-Wunused-function] /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_replace': /kisskb/src/drivers/dma-buf/reservation.c:208:2: warning: 'k' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma-buf/reservation.c:211:7: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/pinctrl/cirrus/pinctrl-madera-core.c: In function 'madera_mux_set_mux': /kisskb/src/drivers/pinctrl/cirrus/pinctrl-madera-core.c:659:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/pinctrl/cirrus/pinctrl-madera-core.c:660:3: warning: 'reg' may be used uninitialized in this function [-Wuninitialized] Makefile:146: recipe for target 'sub-make' failed make: *** [sub-make] Error 2 Command 'make -s -j 8 ARCH=i386 O=/kisskb/build/linus-rand_i386-randconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/linus-rand_i386-randconfig_i386 # Build took: 0:01:44.181046