# git rev-parse -q --verify c74386d50fbaf4a54fd3fe560f1abc709c0cff4b^{commit} c74386d50fbaf4a54fd3fe560f1abc709c0cff4b already have revision, skipping fetch # git checkout -q -f -B kisskb c74386d50fbaf4a54fd3fe560f1abc709c0cff4b # git clean -qxdf # < git log -1 # commit c74386d50fbaf4a54fd3fe560f1abc709c0cff4b # Author: David Howells # Date: Tue Nov 19 21:00:36 2019 +0000 # # afs: Fix missing timeout reset # # In afs_wait_for_call_to_complete(), rather than immediately aborting an # operation if a signal occurs, the code attempts to wait for it to # complete, using a schedule timeout of 2*RTT (or min 2 jiffies) and a # check that we're still receiving relevant packets from the server before # we consider aborting the call. We may even ping the server to check on # the status of the call. # # However, there's a missing timeout reset in the event that we do # actually get a packet to process, such that if we then get a couple of # short stalls, we then time out when progress is actually being made. # # Fix this by resetting the timeout any time we get something to process. # If it's the failure of the call then the call state will get changed and # we'll exit the loop shortly thereafter. # # A symptom of this is data fetches and stores failing with EINTR when # they really shouldn't. # # Fixes: bc5e3a546d55 ("rxrpc: Use MSG_WAITALL to tell sendmsg() to temporarily ignore signals") # Signed-off-by: David Howells # Reviewed-by: Marc Dionne # Signed-off-by: Linus Torvalds # < /opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-ld --version # < git log --format=%s --max-count=1 c74386d50fbaf4a54fd3fe560f1abc709c0cff4b # < make -s -j 8 ARCH=s390 O=/kisskb/build/linus_s390-allyesconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux- allyesconfig # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # yes \n | make -s -j 8 ARCH=s390 O=/kisskb/build/linus_s390-allyesconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux- oldconfig yes: standard output: Broken pipe # make -s -j 8 ARCH=s390 O=/kisskb/build/linus_s390-allyesconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux- /kisskb/src/kernel/events/ring_buffer.c: In function 'perf_output_begin_forward': /kisskb/src/kernel/events/ring_buffer.c:269:1: warning: 'perf_output_begin_forward' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/events/ring_buffer.c: In function 'perf_output_begin_backward': /kisskb/src/kernel/events/ring_buffer.c:275:1: warning: 'perf_output_begin_backward' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/events/ring_buffer.c: In function 'perf_output_begin': /kisskb/src/kernel/events/ring_buffer.c:283:1: warning: 'perf_output_begin' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/events/core.c: In function 'perf_log_throttle': /kisskb/src/kernel/events/core.c:7872:1: warning: 'perf_log_throttle' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/events/core.c: In function 'perf_swevent_hrtimer': /kisskb/src/kernel/events/core.c:9584:1: warning: 'perf_swevent_hrtimer' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/events/core.c: In function 'perf_log_itrace_start': /kisskb/src/kernel/events/core.c:8114:1: warning: 'perf_log_itrace_start' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/events/core.c: In function 'perf_event_read_event': /kisskb/src/kernel/events/core.c:6780:1: warning: 'perf_event_read_event' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/events/core.c: In function 'perf_event_task_output': /kisskb/src/kernel/events/core.c:7060:1: warning: 'perf_event_task_output' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/events/core.c: In function 'perf_event_bpf_output': /kisskb/src/kernel/events/core.c:8006:1: warning: 'perf_event_bpf_output' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/events/core.c: In function 'perf_event_ksymbol_output': /kisskb/src/kernel/events/core.c:7917:1: warning: 'perf_event_ksymbol_output' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/events/core.c: In function 'perf_event_mmap_output': /kisskb/src/kernel/events/core.c:7418:1: warning: 'perf_event_mmap_output' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/events/core.c: In function 'perf_event_namespaces_output': /kisskb/src/kernel/events/core.c:7253:1: warning: 'perf_event_namespaces_output' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/events/core.c: In function 'perf_event_comm_output': /kisskb/src/kernel/events/core.c:7154:1: warning: 'perf_event_comm_output' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/events/core.c: In function 'perf_event_switch_output': /kisskb/src/kernel/events/core.c:7801:1: warning: 'perf_event_switch_output' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/events/core.c: In function 'perf_event_aux_event': /kisskb/src/kernel/events/core.c:7709:1: warning: 'perf_event_aux_event' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/events/core.c: In function 'perf_log_lost_samples': /kisskb/src/kernel/events/core.c:7742:1: warning: 'perf_log_lost_samples' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/events/core.c: In function 'perf_tp_event': /kisskb/src/kernel/events/core.c:8753:1: warning: 'perf_tp_event' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/events/core.c: In function '___perf_sw_event': /kisskb/src/kernel/events/core.c:8439:1: warning: '___perf_sw_event' uses dynamic stack allocation [enabled by default] /kisskb/src/fs/afs/dynroot.c: In function 'afs_lookup_atcell': /kisskb/src/fs/afs/dynroot.c:117:6: warning: 'len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/ipc/mqueue.c:848:1: internal compiler error: unspellable token PRAGMA Please submit a full bug report, with preprocessed source if appropriate. See for instructions. make[2]: *** [/kisskb/src/scripts/Makefile.build:266: ipc/mqueue.o] Error 1 make[1]: *** [/kisskb/src/Makefile:1652: ipc] Error 2 make[1]: *** Waiting for unfinished jobs.... /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/s390/kernel/perf_cpum_sf.c: In function 'perf_push_sample': /kisskb/src/arch/s390/kernel/perf_cpum_sf.c:1126:1: warning: 'perf_push_sample' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/sched/core.c: In function 'try_to_wake_up': /kisskb/src/kernel/sched/core.c:2648:12: warning: 'cpu' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/s390/kernel/perf_cpum_cf_diag.c: In function 'cf_diag_push_sample': /kisskb/src/arch/s390/kernel/perf_cpum_cf_diag.c:519:1: warning: 'cf_diag_push_sample' uses dynamic stack allocation [enabled by default] /kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1496:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/slub.c: In function 'deactivate_slab.isra.52': /kisskb/src/mm/slub.c:2174:1: warning: 'deactivate_slab.isra.52' uses dynamic stack allocation [enabled by default] /kisskb/src/mm/slub.c: In function 'unfreeze_partials.isra.53': /kisskb/src/mm/slub.c:2242:1: warning: 'unfreeze_partials.isra.53' uses dynamic stack allocation [enabled by default] /kisskb/src/mm/slub.c: In function 'get_partial_node.isra.54': /kisskb/src/mm/slub.c:1879:1: warning: 'get_partial_node.isra.54' uses dynamic stack allocation [enabled by default] /kisskb/src/mm/slub.c: In function '___slab_alloc': /kisskb/src/mm/slub.c:2626:1: warning: '___slab_alloc' uses dynamic stack allocation [enabled by default] /kisskb/src/mm/slub.c: In function '__slab_free': /kisskb/src/mm/slub.c:2939:1: warning: '__slab_free' uses dynamic stack allocation [enabled by default] /kisskb/src/fs/f2fs/file.c: In function 'f2fs_precache_extents': /kisskb/src/fs/f2fs/file.c:3095:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ref-verify.c: In function 'process_extent_item.isra.3': /kisskb/src/fs/btrfs/ref-verify.c:492:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/smp.c: In function 'smp_call_function_single': /kisskb/src/kernel/smp.c:316:1: warning: 'smp_call_function_single' uses dynamic stack allocation [enabled by default] /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:236:24: note: 'head' was declared here /kisskb/src/fs/nfs/super.c: In function 'nfs_show_stats': /kisskb/src/fs/nfs/super.c:911:1: warning: 'nfs_show_stats' uses dynamic stack allocation [enabled by default] /kisskb/src/fs/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc': /kisskb/src/fs/nfsd/nfs4xdr.c:2076:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/nfsd/nfs4xdr.c:2081:42: warning: 'end' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/rseq.c: In function 'rseq_ip_fixup': /kisskb/src/kernel/rseq.c:249:1: warning: 'rseq_ip_fixup' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/rseq.c: In function 'rseq_syscall': /kisskb/src/kernel/rseq.c:300:1: warning: 'rseq_syscall' uses dynamic stack allocation [enabled by default] /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:338:21: note: 'pdeo' was declared here /kisskb/src/fs/ocfs2/alloc.c: In function 'ocfs2_trim_mainbm': /kisskb/src/fs/ocfs2/alloc.c:7608:17: warning: 'first_bit' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/quota/quota.c:877:1: internal compiler error: unspellable token PRAGMA Please submit a full bug report, with preprocessed source if appropriate. See for instructions. make[3]: *** [/kisskb/src/scripts/Makefile.build:266: fs/quota/quota.o] Error 1 make[2]: *** [/kisskb/src/scripts/Makefile.build:509: fs/quota] Error 2 make[2]: *** Waiting for unfinished jobs.... make[1]: *** [/kisskb/src/Makefile:1652: fs] Error 2 make: *** [Makefile:179: sub-make] Error 2 Command 'make -s -j 8 ARCH=s390 O=/kisskb/build/linus_s390-allyesconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/linus_s390-allyesconfig_s390x # Build took: 0:02:06.810402