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[Valgrind-developers] [valgrind] Bug 420682 - io_pgetevents is not supported
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From: Paul F. <pa...@so...> - 2025-03-29 08:05:44
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https://sourceware.org/git/gitweb.cgi?p=valgrind.git;h=19c00de89e0fa21c62a5c0c0d1b1cc081f4ce00a commit 19c00de89e0fa21c62a5c0c0d1b1cc081f4ce00a Author: Paul Floyd <pj...@wa...> Date: Fri Mar 28 21:45:15 2025 +0100 Bug 420682 - io_pgetevents is not supported Diff: --- .gitignore | 2 + NEWS | 1 + configure.ac | 34 +++++++++++ coregrind/m_syswrap/priv_syswrap-linux.h | 1 + coregrind/m_syswrap/syswrap-amd64-linux.c | 2 + coregrind/m_syswrap/syswrap-arm64-linux.c | 2 + coregrind/m_syswrap/syswrap-linux.c | 93 ++++++++++++++++++++--------- coregrind/m_syswrap/syswrap-mips32-linux.c | 1 + coregrind/m_syswrap/syswrap-mips64-linux.c | 1 + coregrind/m_syswrap/syswrap-riscv64-linux.c | 1 + coregrind/m_syswrap/syswrap-s390x-linux.c | 1 + coregrind/m_syswrap/syswrap-x86-linux.c | 1 + include/vki/vki-linux.h | 5 ++ include/vki/vki-scnums-arm64-linux.h | 2 +- include/vki/vki-scnums-riscv64-linux.h | 1 + memcheck/tests/linux/Makefile.am | 17 ++++++ memcheck/tests/linux/bug420682_1.c | 37 ++++++++++++ memcheck/tests/linux/bug420682_1.stderr.exp | 0 memcheck/tests/linux/bug420682_1.vgtest | 4 ++ memcheck/tests/linux/bug420682_2.c | 32 ++++++++++ memcheck/tests/linux/bug420682_2.stderr.exp | 54 +++++++++++++++++ memcheck/tests/linux/bug420682_2.vgtest | 4 ++ 22 files changed, 267 insertions(+), 29 deletions(-) diff --git a/.gitignore b/.gitignore index d64b9fab74..f9e50b1357 100644 --- a/.gitignore +++ b/.gitignore @@ -1181,6 +1181,8 @@ /memcheck/tests/linux/.deps /memcheck/tests/linux/aligned_alloc /memcheck/tests/linux/brk +/memcheck/tests/linux/bug420682_1 +/memcheck/tests/linux/bug420682_2 /memcheck/tests/linux/bug480706 /memcheck/tests/linux/capget /memcheck/tests/linux/check_preadv2_pwritev2 diff --git a/NEWS b/NEWS index e4e6769ba8..40b9539596 100644 --- a/NEWS +++ b/NEWS @@ -33,6 +33,7 @@ than mailing the developers (or mailing lists) directly -- bugs that are not entered into bugzilla tend to get forgotten about or ignored. 396415 Valgrind is not looking up $ORIGIN rpath of shebang programs +420682 io_pgetevents is not supported 469782 Valgrind does not support zstd-compressed debug sections 487296 --track-fds=yes and --track-fds=all report erroneous information when fds 0, 1, or 2 are used as non-std diff --git a/configure.ac b/configure.ac index 5d3c6d02d4..dca5661fc6 100755 --- a/configure.ac +++ b/configure.ac @@ -2111,6 +2111,40 @@ AC_MSG_RESULT([no]) AM_CONDITIONAL(HAVE_NR_MEMBARRIER, [test x$ac_have_nr_membarrier = xyes]) +AC_MSG_CHECKING([for __NR_io_pgetevents]) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#include <linux/unistd.h> +]], [[ +return __NR_io_pgetevents +]])], [ +ac_have_nr_io_pgetevents=yes +AC_MSG_RESULT([yes]) +], [ +ac_have_nr_io_pgetevents=no +AC_MSG_RESULT([no]) +]) + +AM_CONDITIONAL(HAVE_NR_IO_PGETEVENTS, [test x$ac_have_nr_io_pgetevents = xyes]) + +safe_LIBS="$LIBS" +LIBS="-laio" +AC_MSG_CHECKING([for libaio]) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#include <libaio.h> +]], [[ +io_context_t ctx; +io_submit(ctx, 1, NULL); +]])], [ +ac_have_libaio=yes +AC_MSG_RESULT([yes]) +], [ +ac_have_libaio=no +AC_MSG_RESULT([no]) +]) + +AM_CONDITIONAL(HAVE_LIBAIO, [test x$ac_have_libaio = xyes]) +LIBS=$safe_LIBS + #---------------------------------------------------------------------------- # Checking for supported compiler flags. #---------------------------------------------------------------------------- diff --git a/coregrind/m_syswrap/priv_syswrap-linux.h b/coregrind/m_syswrap/priv_syswrap-linux.h index 21bd966dcb..4dad82dfbb 100644 --- a/coregrind/m_syswrap/priv_syswrap-linux.h +++ b/coregrind/m_syswrap/priv_syswrap-linux.h @@ -49,6 +49,7 @@ DECL_TEMPLATE(linux, sys_preadv); DECL_TEMPLATE(linux, sys_preadv2); DECL_TEMPLATE(linux, sys_pwritev); DECL_TEMPLATE(linux, sys_pwritev2); +DECL_TEMPLATE(linux, sys_io_pgetevents); DECL_TEMPLATE(linux, sys_sendmmsg); DECL_TEMPLATE(linux, sys_recvmmsg); DECL_TEMPLATE(linux, sys_dup3); diff --git a/coregrind/m_syswrap/syswrap-amd64-linux.c b/coregrind/m_syswrap/syswrap-amd64-linux.c index 4189241109..646a832408 100644 --- a/coregrind/m_syswrap/syswrap-amd64-linux.c +++ b/coregrind/m_syswrap/syswrap-amd64-linux.c @@ -875,6 +875,8 @@ static SyscallTableEntry syscall_table[] = { LINX_(__NR_pkey_alloc, sys_pkey_alloc), // 330 LINX_(__NR_pkey_free, sys_pkey_free), // 331 + LINX_(__NR_io_pgetevents, sys_io_pgetevents), // 333 + LINXY(__NR_io_uring_setup, sys_io_uring_setup), // 425 LINXY(__NR_io_uring_enter, sys_io_uring_enter), // 426 LINXY(__NR_io_uring_register, sys_io_uring_register), // 427 diff --git a/coregrind/m_syswrap/syswrap-arm64-linux.c b/coregrind/m_syswrap/syswrap-arm64-linux.c index 28d36764b5..c8bb486c4b 100644 --- a/coregrind/m_syswrap/syswrap-arm64-linux.c +++ b/coregrind/m_syswrap/syswrap-arm64-linux.c @@ -824,6 +824,8 @@ static SyscallTableEntry syscall_main_table[] = { // (__NR_pkey_alloc, sys_ni_syscall), // 289 // (__NR_pkey_free, sys_ni_syscall), // 290 LINXY(__NR_statx, sys_statx), // 291 + LINX_(__NR_io_pgetevents, sys_io_pgetevents), // 292 + GENX_(__NR_rseq, sys_ni_syscall), // 293 diff --git a/coregrind/m_syswrap/syswrap-linux.c b/coregrind/m_syswrap/syswrap-linux.c index 8c166844cc..92771577bd 100644 --- a/coregrind/m_syswrap/syswrap-linux.c +++ b/coregrind/m_syswrap/syswrap-linux.c @@ -2569,32 +2569,49 @@ PRE(sys_io_destroy) } } -PRE(sys_io_getevents) +static +void common_pre_io_getevents(ThreadId tid, UWord a1, UWord a2, UWord a3, UWord a4, UWord a5, UWord a6, UWord* flags, const HChar* funtion_name) { + HChar buf[25]; *flags |= SfMayBlock; - PRINT("sys_io_getevents ( %llu, %lld, %lld, %#" FMT_REGWORD "x, %#" - FMT_REGWORD "x )", - (ULong)ARG1,(Long)ARG2,(Long)ARG3,ARG4,ARG5); + PRINT("sys_%s ( %llu, %lld, %lld, %#" FMT_REGWORD "x, %#" + FMT_REGWORD "x )", funtion_name, + (ULong)a1,(Long)a2,(Long)a3,a4,a5); + if (a3 > 0) { + VG_(snprintf)(buf, 25, "%s(events)", funtion_name); + PRE_MEM_WRITE( buf, a4, sizeof(struct vki_io_event)*a3 ); + } + if (a5 != 0) { + VG_(snprintf)(buf, 25, "%s(timeout)", funtion_name); + PRE_MEM_READ( buf, a5, sizeof(struct vki_timespec)); + } + + if (a6 != 0) { + // only for io_pgetevents + PRE_MEM_READ("io_pgetevents(usig)", + a6, sizeof(struct vki__aio_sigset)); + } +} + +PRE(sys_io_getevents) +{ PRE_REG_READ5(long, "io_getevents", vki_aio_context_t, ctx_id, long, min_nr, long, nr, struct io_event *, events, struct timespec *, timeout); - if (ARG3 > 0) - PRE_MEM_WRITE( "io_getevents(events)", - ARG4, sizeof(struct vki_io_event)*ARG3 ); - if (ARG5 != 0) - PRE_MEM_READ( "io_getevents(timeout)", - ARG5, sizeof(struct vki_timespec)); + common_pre_io_getevents(tid, ARG1, ARG2, ARG3, ARG4, ARG5, 0U, flags, "io_getevents"); } -POST(sys_io_getevents) + +static +void common_post_sys_io_events(ThreadId tid, UWord a4, SyscallStatus* status, const HChar* funtion_name) { Int i; vg_assert(SUCCESS); if (RES > 0) { - POST_MEM_WRITE( ARG4, sizeof(struct vki_io_event)*RES ); + POST_MEM_WRITE( a4, sizeof(struct vki_io_event)*RES ); for (i = 0; i < RES; i++) { const struct vki_io_event *vev = - ((struct vki_io_event *)(Addr)ARG4) + i; + ((struct vki_io_event *)(Addr)a4) + i; const struct vki_iocb *cb = (struct vki_iocb *)(Addr)vev->obj; switch (cb->aio_lio_opcode) { @@ -2613,27 +2630,28 @@ POST(sys_io_getevents) break; case VKI_IOCB_CMD_PREADV: - if (vev->result > 0) { - struct vki_iovec * vec = (struct vki_iovec *)(Addr)cb->aio_buf; - Int remains = vev->result; - Int j; - - for (j = 0; j < cb->aio_nbytes; j++) { - Int nReadThisBuf = vec[j].iov_len; - if (nReadThisBuf > remains) nReadThisBuf = remains; - POST_MEM_WRITE( (Addr)vec[j].iov_base, nReadThisBuf ); - remains -= nReadThisBuf; - if (remains < 0) VG_(core_panic)("io_getevents(PREADV): remains < 0"); - } - } - break; + if (vev->result > 0) { + struct vki_iovec * vec = (struct vki_iovec *)(Addr)cb->aio_buf; + Int remains = vev->result; + Int j; + + for (j = 0; j < cb->aio_nbytes; j++) { + Int nReadThisBuf = vec[j].iov_len; + if (nReadThisBuf > remains) nReadThisBuf = remains; + POST_MEM_WRITE( (Addr)vec[j].iov_base, nReadThisBuf ); + remains -= nReadThisBuf; + if (remains < 0) VG_(core_panic)("io_getevents(PREADV): remains < 0"); + } + } + break; case VKI_IOCB_CMD_PWRITEV: break; default: VG_(message)(Vg_DebugMsg, - "Warning: unhandled io_getevents opcode: %u\n", + "Warning: unhandled %s opcode: %u\n", + funtion_name, cb->aio_lio_opcode); break; } @@ -2641,6 +2659,11 @@ POST(sys_io_getevents) } } +POST(sys_io_getevents) +{ + common_post_sys_io_events(tid, ARG4, status, "io_getevents"); +} + PRE(sys_io_submit) { Int i, j; @@ -13462,6 +13485,20 @@ PRE(sys_pkey_free) SET_STATUS_Failure( VKI_EINVAL ); } +PRE(sys_io_pgetevents) +{ + PRE_REG_READ5(long, "io_pgetevents", + vki_aio_context_t, ctx_id, long, min_nr, long, nr, + struct io_event *, events, + struct timespec *, timeout); + common_pre_io_getevents(tid, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, flags, "io_pgetevents"); +} + +POST(sys_io_pgetevents) +{ + common_post_sys_io_events(tid, ARG4, status, "io_pgetevents"); +} + PRE(sys_pkey_mprotect) { PRINT("sys_pkey_mprotect ( %#" FMT_REGWORD "x, %" FMT_REGWORD "u, %" diff --git a/coregrind/m_syswrap/syswrap-mips32-linux.c b/coregrind/m_syswrap/syswrap-mips32-linux.c index f6f1f556ee..3644a088e5 100644 --- a/coregrind/m_syswrap/syswrap-mips32-linux.c +++ b/coregrind/m_syswrap/syswrap-mips32-linux.c @@ -1124,6 +1124,7 @@ static SyscallTableEntry syscall_main_table[] = { //.. LINXY(__NR_statx, sys_statx), // 366 GENX_(__NR_rseq, sys_ni_syscall), // 367 + LINX_(__NR_io_pgetevents, sys_io_pgetevents), // 368 LINX_(__NR_semget, sys_semget), // 393 LINXY(__NR_semctl, sys_semctl), // 394 diff --git a/coregrind/m_syswrap/syswrap-mips64-linux.c b/coregrind/m_syswrap/syswrap-mips64-linux.c index 5736291c21..ba73b68d8f 100644 --- a/coregrind/m_syswrap/syswrap-mips64-linux.c +++ b/coregrind/m_syswrap/syswrap-mips64-linux.c @@ -814,6 +814,7 @@ static SyscallTableEntry syscall_main_table[] = { LINX_ (__NR_syncfs, sys_syncfs), LINXY (__NR_statx, sys_statx), GENX_ (__NR_rseq, sys_ni_syscall), + LINX_ (__NR_io_pgetevents, sys_io_pgetevents), LINX_ (__NR_setns, sys_setns), LINXY (__NR_io_uring_setup, sys_io_uring_setup), LINXY (__NR_io_uring_enter, sys_io_uring_enter), diff --git a/coregrind/m_syswrap/syswrap-riscv64-linux.c b/coregrind/m_syswrap/syswrap-riscv64-linux.c index f5e2f30dea..e0146f2b0d 100644 --- a/coregrind/m_syswrap/syswrap-riscv64-linux.c +++ b/coregrind/m_syswrap/syswrap-riscv64-linux.c @@ -574,6 +574,7 @@ static SyscallTableEntry syscall_main_table[] = { LINXY(__NR_preadv2, sys_preadv2), /* 286 */ LINX_(__NR_pwritev2, sys_pwritev2), /* 287 */ LINXY(__NR_statx, sys_statx), /* 291 */ + LINX_(__NR_io_pgetevents, sys_io_pgetevents), /* 292 */ GENX_(__NR_rseq, sys_ni_syscall), /* 293 */ LINXY(__NR_io_uring_setup, sys_io_uring_setup), /* 425 */ LINXY(__NR_io_uring_enter, sys_io_uring_enter), /* 426 */ diff --git a/coregrind/m_syswrap/syswrap-s390x-linux.c b/coregrind/m_syswrap/syswrap-s390x-linux.c index a3d74aef9b..9191c2093d 100644 --- a/coregrind/m_syswrap/syswrap-s390x-linux.c +++ b/coregrind/m_syswrap/syswrap-s390x-linux.c @@ -862,6 +862,7 @@ static SyscallTableEntry syscall_table[] = { LINXY(__NR_statx, sys_statx), // 379 GENX_(__NR_rseq, sys_ni_syscall), // 381 + LINX_(__NR_io_pgetevents, sys_io_pgetevents), // 382 LINXY(__NR_io_uring_setup, sys_io_uring_setup), // 425 LINXY(__NR_io_uring_enter, sys_io_uring_enter), // 426 diff --git a/coregrind/m_syswrap/syswrap-x86-linux.c b/coregrind/m_syswrap/syswrap-x86-linux.c index c4b00bd3f4..d7f173cd91 100644 --- a/coregrind/m_syswrap/syswrap-x86-linux.c +++ b/coregrind/m_syswrap/syswrap-x86-linux.c @@ -1620,6 +1620,7 @@ static SyscallTableEntry syscall_table[] = { /* Explicitly not supported on i386 yet. */ GENX_(__NR_arch_prctl, sys_ni_syscall), // 384 + LINX_(__NR_io_pgetevents, sys_io_pgetevents), // 385 GENX_(__NR_rseq, sys_ni_syscall), // 386 LINX_(__NR_shmget, sys_shmget), // 395 diff --git a/include/vki/vki-linux.h b/include/vki/vki-linux.h index 0df1b4c4b4..29e62ce863 100644 --- a/include/vki/vki-linux.h +++ b/include/vki/vki-linux.h @@ -5484,6 +5484,11 @@ struct vki_open_how { #define VKI_BTRFS_SUPER_MAGIC 0x9123683E +struct vki__aio_sigset { + const vki_sigset_t __user *sigmask; + vki_size_t sigsetsize; +}; + /*--------------------------------------------------------------------*/ /*--- end ---*/ /*--------------------------------------------------------------------*/ diff --git a/include/vki/vki-scnums-arm64-linux.h b/include/vki/vki-scnums-arm64-linux.h index acdfb39c68..08d5690045 100644 --- a/include/vki/vki-scnums-arm64-linux.h +++ b/include/vki/vki-scnums-arm64-linux.h @@ -323,7 +323,7 @@ #define __NR_pkey_alloc 289 #define __NR_pkey_free 290 #define __NR_statx 291 -#define __NR_io_pgetevents 291 +#define __NR_io_pgetevents 292 #define __NR_rseq 293 #undef __NR_syscalls diff --git a/include/vki/vki-scnums-riscv64-linux.h b/include/vki/vki-scnums-riscv64-linux.h index 15ba9308d3..e4cc04a608 100644 --- a/include/vki/vki-scnums-riscv64-linux.h +++ b/include/vki/vki-scnums-riscv64-linux.h @@ -299,6 +299,7 @@ #define __NR_pwritev2 287 #define __NR_pkey_free 290 #define __NR_statx 291 +#define __NR_io_pgetevents 292 #define __NR_rseq 293 #define __NR_io_uring_setup 425 #define __NR_io_uring_enter 426 diff --git a/memcheck/tests/linux/Makefile.am b/memcheck/tests/linux/Makefile.am index 3d06d483cd..13d6a05af0 100644 --- a/memcheck/tests/linux/Makefile.am +++ b/memcheck/tests/linux/Makefile.am @@ -9,6 +9,8 @@ EXTRA_DIST = \ aligned_alloc.stderr.exp-glibc238 \ brk.stderr.exp brk.vgtest \ bug480706.stderr.exp bug480706.vgtest \ + bug420682_1.stderr.exp bug420682_1.vgtest \ + bug420682_2.stderr.exp bug420682_2.vgtest \ capget.vgtest capget.stderr.exp capget.stderr.exp2 capget.stderr.exp3 \ capget.stderr.exp4 \ debuginfod-check.stderr.exp debuginfod-check.vgtest.in \ @@ -100,6 +102,13 @@ if HAVE_STRLCAT check_PROGRAMS += strlcat_strlcpy endif +if HAVE_LIBAIO + check_PROGRAMS += bug420682_1 +if HAVE_NR_IO_PGETEVENTS + check_PROGRAMS += bug420682_2 +endif +endif + AM_CFLAGS += $(AM_FLAG_M3264_PRI) AM_CXXFLAGS += $(AM_FLAG_M3264_PRI) @@ -110,6 +119,14 @@ if HAVE_OPENSSL bug480706_LDADD = -lcrypto endif +if HAVE_LIBAIO +bug420682_1_LDADD = -laio +endif + +if HAVE_NR_IO_PGETEVENTS +bug420682_2_CFLAGS = ${AM_CFLAGS} @FLAG_W_NO_UNINITIALIZED@ +endif + # Build shared object for dlclose_leak dlclose_leak_so_so_SOURCES = dlclose_leak_so.c dlclose_leak_so_so_CFLAGS = $(AM_CFLAGS) -fpic -g -O0 diff --git a/memcheck/tests/linux/bug420682_1.c b/memcheck/tests/linux/bug420682_1.c new file mode 100644 index 0000000000..e33087382f --- /dev/null +++ b/memcheck/tests/linux/bug420682_1.c @@ -0,0 +1,37 @@ +/* + * See https://bugs.kde.org/show_bug.cgi?id=420682 + * + */ +#include <assert.h> +#include <fcntl.h> +#include <libaio.h> +#include <unistd.h> + +int main(void) +{ + const char *msg = "hello world\n"; + struct iocb iocb = {}; + struct io_event event; + io_context_t ctx = 0; + struct iocb *iocbp; + int rc, fd; + + rc = io_setup(1, &ctx); + assert(rc == 0); + + fd = open("test.txt", O_CREAT | O_RDWR, 0666); + assert(fd >= 0); + + io_prep_pwrite(&iocb, fd, (void *)msg, 12, 0); + iocbp = &iocb; + + rc = io_submit(ctx, 1, &iocbp); + assert(rc == 1); + + rc = io_getevents(ctx, 1, 1, &event, NULL); + assert(rc == 1); + + close(fd); + + io_destroy(ctx); +} diff --git a/memcheck/tests/linux/bug420682_1.stderr.exp b/memcheck/tests/linux/bug420682_1.stderr.exp new file mode 100644 index 0000000000..e69de29bb2 diff --git a/memcheck/tests/linux/bug420682_1.vgtest b/memcheck/tests/linux/bug420682_1.vgtest new file mode 100644 index 0000000000..8531e4a090 --- /dev/null +++ b/memcheck/tests/linux/bug420682_1.vgtest @@ -0,0 +1,4 @@ +prereq: test -e bug420682_1 +prog: bug420682_1 +vgopts: -q +post: rm -f test.txt diff --git a/memcheck/tests/linux/bug420682_2.c b/memcheck/tests/linux/bug420682_2.c new file mode 100644 index 0000000000..de97069c19 --- /dev/null +++ b/memcheck/tests/linux/bug420682_2.c @@ -0,0 +1,32 @@ +/* + * See https://bugs.kde.org/show_bug.cgi?id=420682 + * + * Some scalar-style errors. + */ +#include <unistd.h> +#include <stdlib.h> +#include <sys/syscall.h> +#include <libaio.h> +#include "../../../memcheck/memcheck.h" + +int main(void) +{ + long* px = malloc(sizeof(long)); + long x0 = px[0]; + syscall(__NR_io_pgetevents, x0-1, x0, x0, x0+1, x0+1, x0+1); + + struct timespec ts; + struct aio_sigset { + const sigset_t* sigmask; + size_t sigsetsize; + } as; + struct io_event event; + + VALGRIND_MAKE_MEM_UNDEFINED(&event, sizeof(event)); + VALGRIND_MAKE_MEM_UNDEFINED(&ts, sizeof(ts)); + VALGRIND_MAKE_MEM_UNDEFINED(&as, sizeof(as)); + + syscall(__NR_io_pgetevents, x0-1, x0, x0, &event, &ts, &as); + + free(px); +} diff --git a/memcheck/tests/linux/bug420682_2.stderr.exp b/memcheck/tests/linux/bug420682_2.stderr.exp new file mode 100644 index 0000000000..f9c8ad0be9 --- /dev/null +++ b/memcheck/tests/linux/bug420682_2.stderr.exp @@ -0,0 +1,54 @@ +Syscall param io_pgetevents(ctx_id) contains uninitialised byte(s) + ... + by 0x........: main (bug420682_2.c:16) + +Syscall param io_pgetevents(min_nr) contains uninitialised byte(s) + ... + by 0x........: main (bug420682_2.c:16) + +Syscall param io_pgetevents(nr) contains uninitialised byte(s) + ... + by 0x........: main (bug420682_2.c:16) + +Syscall param io_pgetevents(events) contains uninitialised byte(s) + ... + by 0x........: main (bug420682_2.c:16) + +Syscall param io_pgetevents(timeout) contains uninitialised byte(s) + ... + by 0x........: main (bug420682_2.c:16) + +Syscall param io_pgetevents(timeout) points to unaddressable byte(s) + ... + by 0x........: main (bug420682_2.c:16) + Address 0x........ is not stack'd, malloc'd or (recently) free'd + +Syscall param io_pgetevents(usig) points to unaddressable byte(s) + ... + by 0x........: main (bug420682_2.c:16) + Address 0x........ is not stack'd, malloc'd or (recently) free'd + +Syscall param io_pgetevents(ctx_id) contains uninitialised byte(s) + ... + by 0x........: main (bug420682_2.c:29) + +Syscall param io_pgetevents(min_nr) contains uninitialised byte(s) + ... + by 0x........: main (bug420682_2.c:29) + +Syscall param io_pgetevents(nr) contains uninitialised byte(s) + ... + by 0x........: main (bug420682_2.c:29) + +Syscall param io_pgetevents(timeout) points to uninitialised byte(s) + ... + by 0x........: main (bug420682_2.c:29) + Address 0x........ is on thread 1's stack + in frame #1, created by main (bug420682_2.c:13) + +Syscall param io_pgetevents(usig) points to uninitialised byte(s) + ... + by 0x........: main (bug420682_2.c:29) + Address 0x........ is on thread 1's stack + in frame #1, created by main (bug420682_2.c:13) + diff --git a/memcheck/tests/linux/bug420682_2.vgtest b/memcheck/tests/linux/bug420682_2.vgtest new file mode 100644 index 0000000000..5f9c8455de --- /dev/null +++ b/memcheck/tests/linux/bug420682_2.vgtest @@ -0,0 +1,4 @@ +prereq: test -e bug420682_2 +prog: bug420682_2 +vgopts: -q + |
