./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2846818978 <...> forked to background, child pid 3185 no interfaces have a carrier [ 22.211014][ T3186] 8021q: adding VLAN 0 to HW filter on device bond0 [ 22.222988][ T3186] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.153' (ECDSA) to the list of known hosts. execve("./syz-executor2846818978", ["./syz-executor2846818978"], 0x7ffe8433f660 /* 10 vars */) = 0 brk(NULL) = 0x555556073000 brk(0x555556073d00) = 0x555556073d00 arch_prctl(ARCH_SET_FS, 0x5555560733c0) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2846818978", 4096) = 28 brk(0x555556094d00) = 0x555556094d00 brk(0x555556095000) = 0x555556095000 mprotect(0x7f9ed9b98000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f9ed9aed180, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f9ed9aed8c0}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f9ed9aed180, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f9ed9aed8c0}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3614 attached , child_tidptr=0x555556073690) = 3614 [pid 3614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3614] setpgid(0, 0) = 0 [pid 3614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] write(3, "1000", 4) = 4 [pid 3614] close(3) = 0 [pid 3614] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3614] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3614] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3614] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3614] write(4, "19", 2) = 2 [pid 3614] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3615 attached ) = 3615 [pid 3614] exit_group(0) = ? [pid 3614] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3616 ./strace-static-x86_64: Process 3616 attached [pid 3616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3616] setpgid(0, 0) = 0 [pid 3616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3616] write(3, "1000", 4) = 4 [pid 3616] close(3) = 0 [pid 3616] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3616] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3616] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3616] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3616] write(4, "19", 2) = 2 [pid 3616] clone(child_stack=NULL, flags=0) = -1 ENOMEM (Cannot allocate memory) [pid 3616] exit_group(0) = ? [pid 3616] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3616, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3617 ./strace-static-x86_64: Process 3617 attached [pid 3617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3617] setpgid(0, 0) = 0 [pid 3617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "1000", 4) = 4 [pid 3617] close(3) = 0 [pid 3617] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3617] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3617] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3617] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3617] write(4, "19", 2) = 2 [pid 3617] clone(child_stack=NULL, flags=0) = -1 ENOMEM (Cannot allocate memory) [pid 3617] exit_group(0) = ? [pid 3617] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3617, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3618 ./strace-static-x86_64: Process 3618 attached [pid 3618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3618] setpgid(0, 0) = 0 [pid 3618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3618] write(3, "1000", 4) = 4 [pid 3618] close(3) = 0 [pid 3618] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3618] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3618] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3618] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3618] write(4, "19", 2) = 2 [pid 3618] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3619 attached ) = 3619 [pid 3618] exit_group(0) = ? [pid 3618] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3618, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3620 ./strace-static-x86_64: Process 3620 attached [pid 3620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3620] setpgid(0, 0) = 0 [pid 3620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3620] write(3, "1000", 4) = 4 [pid 3620] close(3) = 0 [pid 3620] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3620] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3620] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3620] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3620] write(4, "19", 2) = 2 [pid 3620] clone(child_stack=NULL, flags=0) = -1 ENOMEM (Cannot allocate memory) [pid 3620] exit_group(0) = ? [pid 3620] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3621 ./strace-static-x86_64: Process 3621 attached [pid 3621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3621] setpgid(0, 0) = 0 [pid 3621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3621] write(3, "1000", 4) = 4 [pid 3621] close(3) = 0 [pid 3621] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3621] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3621] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3621] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3621] write(4, "19", 2) = 2 [pid 3621] clone(child_stack=NULL, flags=0) = -1 ENOMEM (Cannot allocate memory) [pid 3621] exit_group(0) = ? [pid 3621] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3621, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3622 ./strace-static-x86_64: Process 3622 attached [pid 3622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3622] setpgid(0, 0) = 0 [pid 3622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3622] write(3, "1000", 4) = 4 [pid 3622] close(3) = 0 [pid 3622] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3622] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3622] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3622] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3622] write(4, "19", 2) = 2 [pid 3622] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3623 attached ) = 3623 [pid 3622] exit_group(0) = ? [pid 3622] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3622, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3624 attached , child_tidptr=0x555556073690) = 3624 [pid 3624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3624] setpgid(0, 0) = 0 [pid 3624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] write(3, "1000", 4) = 4 [pid 3624] close(3) = 0 [pid 3624] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3624] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3624] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3624] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3624] write(4, "19", 2) = 2 [pid 3624] clone(child_stack=NULL, flags=0) = -1 ENOMEM (Cannot allocate memory) [pid 3624] exit_group(0) = ? [pid 3624] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3624, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3625 ./strace-static-x86_64: Process 3625 attached [pid 3625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3625] setpgid(0, 0) = 0 [pid 3625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3625] write(3, "1000", 4) = 4 [pid 3625] close(3) = 0 [pid 3625] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3625] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3625] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3625] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3625] write(4, "19", 2) = 2 [pid 3625] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3626 attached ) = 3626 [pid 3625] exit_group(0) = ? [pid 3625] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3625, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3627 attached , child_tidptr=0x555556073690) = 3627 [pid 3627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3627] setpgid(0, 0) = 0 [pid 3627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3627] write(3, "1000", 4) = 4 [pid 3627] close(3) = 0 [pid 3627] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3627] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3615] exit(0 [pid 3627] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3615] <... exit resumed>) = ? [pid 3615] +++ exited with 0 +++ [pid 3627] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3627] write(4, "19", 2) = 2 [pid 3627] clone(child_stack=NULL, flags=0) = -1 ENOMEM (Cannot allocate memory) [pid 3627] exit_group(0) = ? [pid 3627] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3627, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3628 attached [pid 3628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3628] setpgid(0, 0) = 0 [pid 3628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3628] write(3, "1000", 4) = 4 [pid 3628] close(3) = 0 [pid 3628] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3613] <... clone resumed>, child_tidptr=0x555556073690) = 3628 [pid 3628] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3628] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3628] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3628] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3628] write(4, "19", 2) = 2 [pid 3628] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3629 attached ) = 3629 [pid 3628] exit_group(0) = ? [pid 3628] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3628, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3630 ./strace-static-x86_64: Process 3630 attached [pid 3630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3630] setpgid(0, 0) = 0 [pid 3630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3630] write(3, "1000", 4) = 4 [pid 3630] close(3) = 0 [pid 3630] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3630] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3630] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3630] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3630] write(4, "19", 2) = 2 [pid 3630] clone(child_stack=NULL, flags=0) = -1 ENOMEM (Cannot allocate memory) [pid 3630] exit_group(0) = ? [pid 3630] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3630, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3631 attached , child_tidptr=0x555556073690) = 3631 [pid 3631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3631] setpgid(0, 0) = 0 [pid 3631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3631] write(3, "1000", 4) = 4 [pid 3631] close(3) = 0 [pid 3631] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3631] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3631] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3631] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3631] write(4, "19", 2) = 2 [pid 3631] clone(child_stack=NULL, flags=0) = -1 ENOMEM (Cannot allocate memory) [pid 3631] exit_group(0) = ? [pid 3631] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3631, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3619] exit(0) = ? [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3632 [pid 3619] +++ exited with 0 +++ ./strace-static-x86_64: Process 3632 attached [pid 3632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3632] setpgid(0, 0) = 0 [pid 3632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "1000", 4) = 4 [pid 3632] close(3) = 0 [pid 3632] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3632] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3632] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3632] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3632] write(4, "19", 2) = 2 [pid 3632] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3633 attached ) = 3633 [pid 3632] exit_group(0) = ? [pid 3632] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3632, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3634 ./strace-static-x86_64: Process 3634 attached [pid 3634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3634] setpgid(0, 0) = 0 [pid 3634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3634] write(3, "1000", 4) = 4 [pid 3634] close(3) = 0 [pid 3634] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3634] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3634] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3634] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3634] write(4, "19", 2) = 2 [pid 3634] clone(child_stack=NULL, flags=0) = 3635 [pid 3634] exit_group(0) = ? [pid 3634] +++ exited with 0 +++ ./strace-static-x86_64: Process 3635 attached [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3636 ./strace-static-x86_64: Process 3636 attached [pid 3636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3636] setpgid(0, 0) = 0 [pid 3636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3636] write(3, "1000", 4) = 4 [pid 3636] close(3) = 0 [pid 3636] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3636] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3636] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3636] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3636] write(4, "19", 2) = 2 [pid 3636] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3637 attached ) = 3637 [pid 3636] exit_group(0) = ? [pid 3623] exit(0) = ? [pid 3636] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3636, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3623] +++ exited with 0 +++ [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3638 attached , child_tidptr=0x555556073690) = 3638 [pid 3638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3638] setpgid(0, 0) = 0 [pid 3638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3638] write(3, "1000", 4) = 4 [pid 3638] close(3) = 0 [pid 3638] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3638] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3638] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3638] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3638] write(4, "19", 2) = 2 [pid 3638] clone(child_stack=NULL, flags=0) = -1 ENOMEM (Cannot allocate memory) [pid 3638] exit_group(0) = ? [pid 3638] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3638, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3639 ./strace-static-x86_64: Process 3639 attached [pid 3639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3639] setpgid(0, 0) = 0 [pid 3639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3639] write(3, "1000", 4) = 4 [pid 3639] close(3) = 0 [pid 3639] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3639] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3639] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3639] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3639] write(4, "19", 2) = 2 [pid 3639] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3640 attached ) = 3640 [pid 3639] exit_group(0) = ? [pid 3639] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3639, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3641 ./strace-static-x86_64: Process 3641 attached [pid 3641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3641] setpgid(0, 0) = 0 [pid 3641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3641] write(3, "1000", 4) = 4 [pid 3641] close(3) = 0 [pid 3641] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3641] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3641] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3641] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3641] write(4, "19", 2) = 2 [pid 3641] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3642 attached ) = 3642 [pid 3641] exit_group(0) = ? [pid 3626] exit(0) = ? [pid 3641] +++ exited with 0 +++ [pid 3626] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3643 ./strace-static-x86_64: Process 3643 attached [pid 3643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3643] setpgid(0, 0) = 0 [pid 3643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3643] write(3, "1000", 4) = 4 [pid 3643] close(3) = 0 [pid 3643] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3643] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3643] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3643] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3643] write(4, "19", 2) = 2 [pid 3643] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3644 attached ) = 3644 [pid 3643] exit_group(0) = ? [pid 3643] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3643, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3645 ./strace-static-x86_64: Process 3645 attached [pid 3645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3645] setpgid(0, 0) = 0 [pid 3645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3645] write(3, "1000", 4) = 4 [pid 3645] close(3) = 0 [pid 3645] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3645] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3629] exit(0) = ? [pid 3645] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3629] +++ exited with 0 +++ [pid 3645] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3645] write(4, "19", 2) = 2 [pid 3645] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3646 attached ) = 3646 [pid 3645] exit_group(0) = ? [pid 3645] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3645, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3647 ./strace-static-x86_64: Process 3647 attached [pid 3647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3647] setpgid(0, 0) = 0 [pid 3647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3647] write(3, "1000", 4) = 4 [pid 3647] close(3) = 0 [pid 3647] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3647] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3647] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3647] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3647] write(4, "19", 2) = 2 [pid 3647] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3648 attached ) = 3648 [pid 3647] exit_group(0) = ? [pid 3647] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3647, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3649 ./strace-static-x86_64: Process 3649 attached [pid 3649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3649] setpgid(0, 0) = 0 [pid 3649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3649] write(3, "1000", 4) = 4 [pid 3649] close(3) = 0 [pid 3649] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3649] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3649] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3649] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3649] write(4, "19", 2) = 2 [pid 3649] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3650 attached ) = 3650 [pid 3649] exit_group(0) = ? [pid 3649] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3649, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3651 ./strace-static-x86_64: Process 3651 attached [pid 3651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3651] setpgid(0, 0) = 0 [pid 3651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3651] write(3, "1000", 4) = 4 [pid 3651] close(3) = 0 [pid 3651] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3651] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3651] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3651] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3651] write(4, "19", 2) = 2 [pid 3651] clone(child_stack=NULL, flags=0) = -1 ENOMEM (Cannot allocate memory) [pid 3651] exit_group(0) = ? [pid 3633] exit(0) = ? [pid 3651] +++ exited with 0 +++ [pid 3633] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3651, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3652 ./strace-static-x86_64: Process 3652 attached [pid 3652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3652] setpgid(0, 0) = 0 [pid 3652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3652] write(3, "1000", 4) = 4 [pid 3652] close(3) = 0 [pid 3652] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3652] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3652] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3652] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3652] write(4, "19", 2) = 2 [pid 3652] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3653 attached ) = 3653 [pid 3652] exit_group(0) = ? [pid 3652] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3652, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3635] exit(0 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3635] <... exit resumed>) = ? [pid 3613] <... restart_syscall resumed>) = 0 [pid 3635] +++ exited with 0 +++ [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3654 ./strace-static-x86_64: Process 3654 attached [pid 3654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3654] setpgid(0, 0) = 0 [pid 3654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3654] write(3, "1000", 4) = 4 [pid 3654] close(3) = 0 [pid 3654] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3654] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3654] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3654] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3654] write(4, "19", 2) = 2 [pid 3654] clone(child_stack=NULL, flags=0) = -1 ENOMEM (Cannot allocate memory) [pid 3654] exit_group(0) = ? [pid 3654] +++ exited with 0 +++ [pid 3637] exit(0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3654, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3637] <... exit resumed>) = ? [pid 3637] +++ exited with 0 +++ [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3655 attached , child_tidptr=0x555556073690) = 3655 [pid 3655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3655] setpgid(0, 0) = 0 [pid 3655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3655] write(3, "1000", 4) = 4 [pid 3655] close(3) = 0 [pid 3655] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3655] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3655] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3655] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3655] write(4, "19", 2) = 2 [pid 3655] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3656 attached ) = 3656 [pid 3655] exit_group(0) = ? [pid 3655] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3655, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3657 ./strace-static-x86_64: Process 3657 attached [pid 3657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3657] setpgid(0, 0) = 0 [pid 3657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3657] write(3, "1000", 4) = 4 [pid 3657] close(3) = 0 [pid 3657] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3657] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3640] exit(0) = ? [pid 3640] +++ exited with 0 +++ [pid 3657] <... mmap resumed>) = 0x20000000 [pid 3657] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3657] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3657] write(4, "19", 2) = 2 [pid 3657] clone(child_stack=NULL, flags=0) = -1 ENOMEM (Cannot allocate memory) [pid 3657] exit_group(0) = ? [pid 3657] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3657, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3658 ./strace-static-x86_64: Process 3658 attached [pid 3658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3658] setpgid(0, 0) = 0 [pid 3658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3658] write(3, "1000", 4) = 4 [pid 3658] close(3) = 0 [pid 3658] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3642] exit(0) = ? [pid 3642] +++ exited with 0 +++ [pid 3658] <... io_uring_setup resumed>, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3658] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3658] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3658] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3658] write(4, "19", 2) = 2 [pid 3658] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3659 attached ) = 3659 [pid 3658] exit_group(0) = ? [pid 3658] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3658, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3660 ./strace-static-x86_64: Process 3660 attached [pid 3660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3660] setpgid(0, 0) = 0 [pid 3660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3660] write(3, "1000", 4) = 4 [pid 3660] close(3) = 0 [pid 3660] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3660] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3644] exit(0 [pid 3660] <... mmap resumed>) = 0x20000000 [pid 3644] <... exit resumed>) = ? [pid 3660] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3644] +++ exited with 0 +++ [pid 3660] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3660] write(4, "19", 2) = 2 [pid 3660] clone(child_stack=NULL, flags=0) = -1 ENOMEM (Cannot allocate memory) [pid 3660] exit_group(0) = ? [pid 3660] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3660, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3661 ./strace-static-x86_64: Process 3661 attached [pid 3661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3661] setpgid(0, 0) = 0 [pid 3661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3661] write(3, "1000", 4) = 4 [pid 3661] close(3) = 0 [pid 3661] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3661] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3661] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3661] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3661] write(4, "19", 2) = 2 [pid 3646] exit(0 [pid 3661] clone(child_stack=NULL, flags=0 [pid 3646] <... exit resumed>) = ? [pid 3646] +++ exited with 0 +++ ./strace-static-x86_64: Process 3662 attached [pid 3661] <... clone resumed>) = 3662 [pid 3661] exit_group(0) = ? [pid 3661] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3661, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556073690) = 3663 ./strace-static-x86_64: Process 3663 attached [pid 3663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3663] setpgid(0, 0) = 0 [pid 3663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3663] write(3, "1000", 4) = 4 [pid 3663] close(3) = 0 [pid 3663] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=32768, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=1048896}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3663] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3663] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3663] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3648] exit(0) = ? [pid 3663] <... openat resumed>) = 4 [pid 3648] +++ exited with 0 +++ [pid 3663] write(4, "19", 2) = 2 [pid 3663] clone(child_stack=NULL, flags=0 [pid 3650] exit(0) = ? [pid 3650] +++ exited with 0 +++ [pid 3653] exit(0) = ? [pid 3653] +++ exited with 0 +++ syzkaller login: [ 43.172292][ T3663] ------------[ cut here ]------------ [ 43.178052][ T3663] WARNING: CPU: 0 PID: 3663 at arch/x86/mm/pat/memtype.c:1099 untrack_pfn+0x247/0x290 [ 43.190035][ T3663] Modules linked in: [ 43.195368][ T3663] CPU: 0 PID: 3663 Comm: syz-executor284 Not tainted 5.19.0-rc8-syzkaller #0 [ 43.204185][ T3663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 43.214330][ T3663] RIP: 0010:untrack_pfn+0x247/0x290 [pid 3656] exit(0) = ? [pid 3656] +++ exited with 0 +++ [ 43.219546][ T3663] Code: 84 6c ff ff ff e8 19 44 43 00 4c 89 ee 4c 89 e7 e8 de dd ff ff e8 09 44 43 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 f9 43 43 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 aa 21 90 00 e9 98 fe ff ff e8 30 [ 43.239464][ T3663] RSP: 0018:ffffc90002fbf6f8 EFLAGS: 00010293 [ 43.245622][ T3663] RAX: 0000000000000000 RBX: ffff88801e1b4210 RCX: 0000000000000000 [ 43.253649][ T3663] RDX: ffff88807b0b9d80 RSI: ffffffff81372807 RDI: 0000000000000005 [ 43.261646][ T3663] RBP: 1ffff920005f7edf R08: 0000000000000005 R09: 0000000000000000 [pid 3659] exit(0) = ? [pid 3659] +++ exited with 0 +++ [pid 3662] exit(0) = ? [pid 3662] +++ exited with 0 +++ [ 43.269652][ T3663] R10: 00000000ffffffea R11: 0000000000000001 R12: 00000000ffffffea [ 43.277688][ T3663] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801e1b4260 [ 43.286595][ T3663] FS: 00005555560733c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 43.295798][ T3663] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.303158][ T3663] CR2: 00007f9ed9b5acf0 CR3: 000000001b63a000 CR4: 0000000000350ef0 [ 43.311244][ T3663] Call Trace: [ 43.314700][ T3663] [ 43.317640][ T3663] ? track_pfn_insert+0x140/0x140 [ 43.322876][ T3663] ? vm_normal_page_pmd+0x550/0x550 [ 43.328137][ T3663] ? unmap_vmas+0x148/0x310 [ 43.332690][ T3663] ? lock_downgrade+0x6e0/0x6e0 [ 43.337553][ T3663] ? uprobe_munmap+0x1c/0x560 [ 43.342285][ T3663] unmap_single_vma+0x1ba/0x360 [ 43.347170][ T3663] unmap_vmas+0x18c/0x310 [ 43.351783][ T3663] ? unmap_mapping_range+0x280/0x280 [ 43.357118][ T3663] ? lock_downgrade+0x6e0/0x6e0 [ 43.361978][ T3663] ? lru_add_drain_cpu+0x4e2/0x900 [ 43.367149][ T3663] exit_mmap+0x1c4/0x4a0 [ 43.371382][ T3663] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 43.377404][ T3663] ? dup_mm+0xb3d/0x1390 [ 43.381660][ T3663] __mmput+0x122/0x4b0 [ 43.385763][ T3663] mmput+0x56/0x60 [ 43.389498][ T3663] dup_mm+0xd73/0x1390 [ 43.393630][ T3663] ? replace_mm_exe_file+0x490/0x490 [ 43.398931][ T3663] ? __raw_spin_lock_init+0x36/0x110 [ 43.404253][ T3663] copy_process+0x3bba/0x7020 [ 43.408959][ T3663] ? __cleanup_sighand+0xb0/0xb0 [ 43.413955][ T3663] kernel_clone+0xe7/0xab0 [ 43.418385][ T3663] ? create_io_thread+0xe0/0xe0 [ 43.423282][ T3663] ? rwlock_bug.part.0+0x90/0x90 [ 43.428272][ T3663] ? _raw_spin_lock_irq+0x41/0x50 [ 43.433406][ T3663] ? find_held_lock+0x2d/0x110 [ 43.438344][ T3663] __do_sys_clone+0xba/0x100 [ 43.443020][ T3663] ? kernel_clone+0xab0/0xab0 [ 43.447716][ T3663] ? _raw_spin_unlock_irq+0x2a/0x40 [ 43.452979][ T3663] ? ptrace_notify+0xfa/0x140 [ 43.457665][ T3663] do_syscall_64+0x35/0xb0 [ 43.462126][ T3663] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 43.468030][ T3663] RIP: 0033:0x7f9ed9b2b5e9 [ 43.472502][ T3663] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 43.492153][ T3663] RSP: 002b:00007fff613d8338 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 43.500834][ T3663] RAX: ffffffffffffffda RBX: 000000000000a86d RCX: 00007f9ed9b2b5e9 [ 43.508949][ T3663] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 43.517039][ T3663] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000003931 [ 43.525054][ T3663] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.533057][ T3663] R13: 431bde82d7b634db R14: 00007fff613d8390 R15: 0000000000000000 [ 43.541036][ T3663] [ 43.544109][ T3663] Kernel panic - not syncing: panic_on_warn set ... [ 43.550687][ T3663] CPU: 0 PID: 3663 Comm: syz-executor284 Not tainted 5.19.0-rc8-syzkaller #0 [ 43.559537][ T3663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 43.569754][ T3663] Call Trace: [ 43.573196][ T3663] [ 43.576114][ T3663] dump_stack_lvl+0xcd/0x134 [ 43.580808][ T3663] panic+0x2d7/0x636 [ 43.584694][ T3663] ? panic_print_sys_info.part.0+0x10b/0x10b [ 43.590680][ T3663] ? __warn.cold+0x1d1/0x2c5 [ 43.595261][ T3663] ? untrack_pfn+0x247/0x290 [ 43.599842][ T3663] __warn.cold+0x1e2/0x2c5 [ 43.604251][ T3663] ? untrack_pfn+0x247/0x290 [ 43.608831][ T3663] report_bug+0x1bc/0x210 [ 43.613164][ T3663] handle_bug+0x3c/0x60 [ 43.617312][ T3663] exc_invalid_op+0x14/0x40 [ 43.621802][ T3663] asm_exc_invalid_op+0x16/0x20 [ 43.626645][ T3663] RIP: 0010:untrack_pfn+0x247/0x290 [ 43.631836][ T3663] Code: 84 6c ff ff ff e8 19 44 43 00 4c 89 ee 4c 89 e7 e8 de dd ff ff e8 09 44 43 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 f9 43 43 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 aa 21 90 00 e9 98 fe ff ff e8 30 [ 43.651449][ T3663] RSP: 0018:ffffc90002fbf6f8 EFLAGS: 00010293 [ 43.657515][ T3663] RAX: 0000000000000000 RBX: ffff88801e1b4210 RCX: 0000000000000000 [ 43.665478][ T3663] RDX: ffff88807b0b9d80 RSI: ffffffff81372807 RDI: 0000000000000005 [ 43.673439][ T3663] RBP: 1ffff920005f7edf R08: 0000000000000005 R09: 0000000000000000 [ 43.681400][ T3663] R10: 00000000ffffffea R11: 0000000000000001 R12: 00000000ffffffea [ 43.689371][ T3663] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801e1b4260 [ 43.697345][ T3663] ? untrack_pfn+0x247/0x290 [ 43.701935][ T3663] ? untrack_pfn+0x247/0x290 [ 43.706516][ T3663] ? track_pfn_insert+0x140/0x140 [ 43.711531][ T3663] ? vm_normal_page_pmd+0x550/0x550 [ 43.716723][ T3663] ? unmap_vmas+0x148/0x310 [ 43.721221][ T3663] ? lock_downgrade+0x6e0/0x6e0 [ 43.726065][ T3663] ? uprobe_munmap+0x1c/0x560 [ 43.730923][ T3663] unmap_single_vma+0x1ba/0x360 [ 43.735887][ T3663] unmap_vmas+0x18c/0x310 [ 43.740208][ T3663] ? unmap_mapping_range+0x280/0x280 [ 43.745483][ T3663] ? lock_downgrade+0x6e0/0x6e0 [ 43.750332][ T3663] ? lru_add_drain_cpu+0x4e2/0x900 [ 43.755447][ T3663] exit_mmap+0x1c4/0x4a0 [ 43.759679][ T3663] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 43.765659][ T3663] ? dup_mm+0xb3d/0x1390 [ 43.769901][ T3663] __mmput+0x122/0x4b0 [ 43.773961][ T3663] mmput+0x56/0x60 [ 43.777673][ T3663] dup_mm+0xd73/0x1390 [ 43.781743][ T3663] ? replace_mm_exe_file+0x490/0x490 [ 43.787021][ T3663] ? __raw_spin_lock_init+0x36/0x110 [ 43.792299][ T3663] copy_process+0x3bba/0x7020 [ 43.797032][ T3663] ? __cleanup_sighand+0xb0/0xb0 [ 43.802152][ T3663] kernel_clone+0xe7/0xab0 [ 43.806563][ T3663] ? create_io_thread+0xe0/0xe0 [ 43.811402][ T3663] ? rwlock_bug.part.0+0x90/0x90 [ 43.816329][ T3663] ? _raw_spin_lock_irq+0x41/0x50 [ 43.821352][ T3663] ? find_held_lock+0x2d/0x110 [ 43.826115][ T3663] __do_sys_clone+0xba/0x100 [ 43.830699][ T3663] ? kernel_clone+0xab0/0xab0 [ 43.835384][ T3663] ? _raw_spin_unlock_irq+0x2a/0x40 [ 43.840582][ T3663] ? ptrace_notify+0xfa/0x140 [ 43.845256][ T3663] do_syscall_64+0x35/0xb0 [ 43.849669][ T3663] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 43.855559][ T3663] RIP: 0033:0x7f9ed9b2b5e9 [ 43.859968][ T3663] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 43.879750][ T3663] RSP: 002b:00007fff613d8338 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 43.888239][ T3663] RAX: ffffffffffffffda RBX: 000000000000a86d RCX: 00007f9ed9b2b5e9 [ 43.896229][ T3663] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 43.904187][ T3663] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000003931 [ 43.912147][ T3663] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.920197][ T3663] R13: 431bde82d7b634db R14: 00007fff613d8390 R15: 0000000000000000 [ 43.928171][ T3663] [ 43.932043][ T3663] Kernel Offset: disabled [ 43.936405][ T3663] Rebooting in 86400 seconds..