./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3773879406 <...> [ 29.469061][ T3185] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.491993][ T3185] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 39.645360][ T27] kauditd_printk_skb: 37 callbacks suppressed [ 39.645376][ T27] audit: type=1400 audit(1663748875.774:73): avc: denied { transition } for pid=3413 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 39.675621][ T27] audit: type=1400 audit(1663748875.804:74): avc: denied { write } for pid=3413 comm="sh" path="pipe:[27629]" dev="pipefs" ino=27629 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.0.74' (ECDSA) to the list of known hosts. execve("./syz-executor3773879406", ["./syz-executor3773879406"], 0x7ffd4adf4e10 /* 10 vars */) = 0 brk(NULL) = 0x555555629000 brk(0x555555629d00) = 0x555555629d00 arch_prctl(ARCH_SET_FS, 0x5555556293c0) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3773879406", 4096) = 28 brk(0x55555564ad00) = 0x55555564ad00 brk(0x55555564b000) = 0x55555564b000 mprotect(0x7fcf66a37000, 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=0x7fcf6698c180, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fcf6698cb50}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fcf6698c180, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fcf6698cb50}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555629690) = 3606 ./strace-static-x86_64: Process 3606 attached [pid 3606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3606] setpgid(0, 0) = 0 [pid 3606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "1000", 4) = 4 [pid 3606] close(3) = 0 [pid 3606] io_uring_setup(21175, {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 3606] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [pid 3606] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3606] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3606] write(4, "28", 2) = 2 [pid 3606] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 3607 [pid 3606] exit_group(0) = ? [pid 3606] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3606, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555629690) = 3608 ./strace-static-x86_64: Process 3607 attached ./strace-static-x86_64: Process 3608 attached [pid 3608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3608] setpgid(0, 0) = 0 [pid 3608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1000", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] io_uring_setup(21175, {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 3608] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [pid 3608] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3608] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3608] write(4, "28", 2) = 2 [pid 3608] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = -1 ENOMEM (Cannot allocate memory) [pid 3608] exit_group(0) = ? [pid 3608] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3608, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555629690) = 3609 ./strace-static-x86_64: Process 3609 attached [pid 3609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3609] setpgid(0, 0) = 0 [pid 3609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "1000", 4) = 4 [pid 3609] close(3) = 0 [pid 3609] io_uring_setup(21175, {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 3609] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [pid 3609] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3609] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3609] write(4, "28", 2) = 2 [pid 3609] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = -1 ENOMEM (Cannot allocate memory) [pid 3609] exit_group(0) = ? [ 49.670355][ T27] audit: type=1400 audit(1663748885.804:75): avc: denied { execmem } for pid=3605 comm="syz-executor377" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 49.691477][ T27] audit: type=1400 audit(1663748885.824:76): avc: denied { create } for pid=3606 comm="syz-executor377" anonclass=[io_uring] scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:sysadm_t tclass=anon_inode permissive=1 [pid 3609] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3609, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555629690) = 3610 ./strace-static-x86_64: Process 3610 attached [pid 3610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3610] setpgid(0, 0) = 0 [pid 3610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1000", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] io_uring_setup(21175, {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 3610] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [pid 3610] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3610] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3610] write(4, "28", 2) = 2 [pid 3610] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 3611 attached ) = 3611 [pid 3610] exit_group(0) = ? [pid 3610] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3610, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3612 attached , child_tidptr=0x555555629690) = 3612 [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3612] setpgid(0, 0) = 0 [pid 3612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1000", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] io_uring_setup(21175, {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 3612] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [pid 3612] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3612] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3612] write(4, "28", 2) = 2 [pid 3612] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 3613 attached ) = 3613 [pid 3612] exit_group(0) = ? [pid 3612] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3612, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3614 attached , child_tidptr=0x555555629690) = 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(21175, {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(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [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, "28", 2) = 2 [pid 3614] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = -1 ENOMEM (Cannot allocate memory) [pid 3614] exit_group(0) = ? [pid 3614] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3615 attached , child_tidptr=0x555555629690) = 3615 [pid 3615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3615] setpgid(0, 0) = 0 [pid 3615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "1000", 4) = 4 [pid 3615] close(3) = 0 [pid 3615] io_uring_setup(21175, {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 3615] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [pid 3615] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3615] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3615] write(4, "28", 2) = 2 [pid 3615] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = -1 ENOMEM (Cannot allocate memory) [pid 3615] exit_group(0) = ? [pid 3615] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3615, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3616 attached , child_tidptr=0x555555629690) = 3616 [pid 3616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3616] setpgid(0, 0) = 0 [ 49.715465][ T27] audit: type=1400 audit(1663748885.824:77): avc: denied { map } for pid=3606 comm="syz-executor377" path="anon_inode:[io_uring]" dev="anon_inodefs" ino=28872 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:sysadm_t tclass=anon_inode permissive=1 [ 49.741905][ T27] audit: type=1400 audit(1663748885.824:78): avc: denied { read write } for pid=3606 comm="syz-executor377" path="anon_inode:[io_uring]" dev="anon_inodefs" ino=28872 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:sysadm_t tclass=anon_inode permissive=1 [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(21175, {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(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [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, "28", 2) = 2 [pid 3616] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = -1 ENOMEM (Cannot allocate memory) [pid 3616] exit_group(0) = ? [pid 3616] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3616, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555629690) = 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(21175, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3607] exit(0) = ? [pid 3617] <... 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 3607] +++ exited with 0 +++ [pid 3617] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [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, "28", 2) = 2 [pid 3617] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = -1 ENOMEM (Cannot allocate memory) [pid 3617] exit_group(0) = ? [pid 3617] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3617, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555629690) = 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(21175, {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(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [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, "28", 2) = 2 [pid 3618] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = -1 ENOMEM (Cannot allocate memory) [pid 3618] exit_group(0) = ? [pid 3618] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3618, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3619 attached , child_tidptr=0x555555629690) = 3619 [pid 3619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3619] setpgid(0, 0) = 0 [pid 3619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "1000", 4) = 4 [pid 3619] close(3) = 0 [pid 3619] io_uring_setup(21175, {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 3619] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [pid 3619] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3619] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3619] write(4, "28", 2) = 2 [pid 3619] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = -1 ENOMEM (Cannot allocate memory) [pid 3619] exit_group(0) = ? [pid 3619] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3619, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3620 attached , child_tidptr=0x555555629690) = 3620 [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 [pid 3611] exit(0) = ? [pid 3620] <... openat resumed>) = 3 [pid 3620] write(3, "1000", 4) = 4 [pid 3620] close(3) = 0 [pid 3620] io_uring_setup(21175, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3611] +++ exited with 0 +++ [pid 3620] <... 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 3620] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [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, "28", 2) = 2 [pid 3620] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = -1 ENOMEM (Cannot allocate memory) [pid 3620] exit_group(0) = ? [pid 3620] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3620, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555629690) = 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(21175, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3613] exit(0) = ? [pid 3621] <... 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 3621] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [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 [pid 3613] +++ exited with 0 +++ [pid 3621] <... openat resumed>) = 4 [pid 3621] write(4, "28", 2) = 2 [pid 3621] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = -1 ENOMEM (Cannot allocate memory) [pid 3621] exit_group(0) = ? [pid 3621] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3621, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3623 attached , child_tidptr=0x555555629690) = 3623 [pid 3623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3623] setpgid(0, 0) = 0 [pid 3623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] write(3, "1000", 4) = 4 [pid 3623] close(3) = 0 [pid 3623] io_uring_setup(21175, {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 3623] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [pid 3623] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3623] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3623] write(4, "28", 2) = 2 [pid 3623] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 3624 attached ) = 3624 [pid 3623] exit_group(0) = ? [pid 3623] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3623, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555629690) = 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(21175, {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(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [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, "28", 2) = 2 [pid 3625] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = -1 ENOMEM (Cannot allocate memory) [pid 3625] exit_group(0) = ? [pid 3625] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3625, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555629690) = 3626 ./strace-static-x86_64: Process 3626 attached [pid 3626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3626] setpgid(0, 0) = 0 [pid 3626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3626] write(3, "1000", 4) = 4 [pid 3626] close(3) = 0 [pid 3626] io_uring_setup(21175, {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 3626] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [pid 3626] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3626] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3626] write(4, "28", 2) = 2 [pid 3626] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = -1 ENOMEM (Cannot allocate memory) [pid 3626] exit_group(0) = ? [pid 3626] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3626, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3627 attached , child_tidptr=0x555555629690) = 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(21175, {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(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [pid 3627] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3627] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3627] write(4, "28", 2) = 2 [pid 3627] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = -1 ENOMEM (Cannot allocate memory) [pid 3627] exit_group(0) = ? [pid 3627] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3627, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555629690) = 3628 ./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(21175, {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 3628] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [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, "28", 2) = 2 [pid 3628] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = -1 ENOMEM (Cannot allocate memory) [pid 3628] exit_group(0) = ? [pid 3628] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3628, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555629690) = 3629 ./strace-static-x86_64: Process 3629 attached [pid 3629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3629] setpgid(0, 0) = 0 [pid 3629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3629] write(3, "1000", 4) = 4 [pid 3629] close(3) = 0 [pid 3629] io_uring_setup(21175, {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 3629] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [pid 3629] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3629] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3629] write(4, "28", 2) = 2 [pid 3629] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 3630 attached ) = 3630 [pid 3629] exit_group(0) = ? [pid 3629] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3629, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555629690) = 3631 ./strace-static-x86_64: Process 3631 attached [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(21175, {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(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [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, "28", 2) = 2 [pid 3631] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = -1 ENOMEM (Cannot allocate memory) [pid 3631] exit_group(0) = ? [pid 3631] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3631, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555629690) = 3632 ./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(21175, {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(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [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, "28", 2) = 2 [pid 3632] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 3633 attached ) = 3633 [pid 3632] exit_group(0) = ? [pid 3632] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3632, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3634 attached , child_tidptr=0x555555629690) = 3634 [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(21175, {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(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [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, "28", 2) = 2 [pid 3634] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 3635 attached ) = 3635 [pid 3634] exit_group(0) = ? [pid 3634] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./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(21175, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3605] <... clone resumed>, child_tidptr=0x555555629690) = 3636 [pid 3636] <... 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 3636] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [pid 3624] exit(0) = ? [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 [pid 3624] +++ exited with 0 +++ [pid 3636] <... openat resumed>) = 4 [pid 3636] write(4, "28", 2) = 2 [pid 3636] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = -1 ENOMEM (Cannot allocate memory) [pid 3636] exit_group(0) = ? [pid 3636] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3636, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3637 attached , child_tidptr=0x555555629690) = 3637 [pid 3637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3637] setpgid(0, 0) = 0 [pid 3637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3637] write(3, "1000", 4) = 4 [pid 3637] close(3) = 0 [pid 3637] io_uring_setup(21175, {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 3637] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [pid 3637] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3637] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3637] write(4, "28", 2) = 2 [pid 3637] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 3638 attached ) = 3638 [pid 3637] exit_group(0) = ? [pid 3637] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3637, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./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(21175, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3605] <... clone resumed>, child_tidptr=0x555555629690) = 3639 [pid 3639] <... 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 3639] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [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, "28", 2) = 2 [pid 3639] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = -1 ENOMEM (Cannot allocate memory) [pid 3639] exit_group(0) = ? [pid 3639] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3639, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3640 attached , child_tidptr=0x555555629690) = 3640 [pid 3640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3640] setpgid(0, 0) = 0 [pid 3640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3640] write(3, "1000", 4) = 4 [pid 3640] close(3) = 0 [pid 3640] io_uring_setup(21175, {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 3640] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [pid 3640] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3640] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3640] write(4, "28", 2) = 2 [pid 3640] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 3641 attached ) = 3641 [pid 3640] exit_group(0) = ? [pid 3640] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3640, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3642 attached , child_tidptr=0x555555629690) = 3642 [pid 3642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3642] setpgid(0, 0) = 0 [pid 3642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3642] write(3, "1000", 4) = 4 [pid 3642] close(3) = 0 [pid 3642] io_uring_setup(21175, {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 3642] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [pid 3642] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3642] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3642] write(4, "28", 2) = 2 [pid 3642] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = -1 ENOMEM (Cannot allocate memory) [pid 3642] exit_group(0) = ? [pid 3642] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3642, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3643 attached , child_tidptr=0x555555629690) = 3643 [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 [pid 3630] exit(0) = ? [pid 3630] +++ exited with 0 +++ [pid 3643] <... close resumed>) = 0 [pid 3643] io_uring_setup(21175, {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(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [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, "28", 2) = 2 [pid 3643] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = -1 ENOMEM (Cannot allocate memory) [pid 3643] exit_group(0) = ? [pid 3643] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3643, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3644 attached , child_tidptr=0x555555629690) = 3644 [pid 3644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3644] setpgid(0, 0) = 0 [pid 3633] exit(0 [pid 3644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3633] <... exit resumed>) = ? [pid 3633] +++ exited with 0 +++ [pid 3644] <... openat resumed>) = 3 [pid 3644] write(3, "1000", 4) = 4 [pid 3644] close(3) = 0 [pid 3644] io_uring_setup(21175, {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 3644] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [pid 3644] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3644] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3644] write(4, "28", 2) = 2 [pid 3644] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 3645 attached ) = 3645 [pid 3644] exit_group(0) = ? [pid 3644] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3644, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3646 attached , child_tidptr=0x555555629690) = 3646 [pid 3646] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3635] exit(0) = ? [pid 3646] <... prctl resumed>) = 0 [pid 3646] setpgid(0, 0) = 0 [pid 3646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3646] write(3, "1000", 4) = 4 [pid 3646] close(3 [pid 3635] +++ exited with 0 +++ [pid 3646] <... close resumed>) = 0 [pid 3646] io_uring_setup(21175, {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 3646] mmap(0x20c00000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20c00000 [pid 3646] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3646] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3646] write(4, "28", 2) = 2 [pid 3646] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 3638] exit(0) = ? [pid 3638] +++ exited with 0 +++ [pid 3641] exit(0) = ? [pid 3641] +++ exited with 0 +++ [ 50.277586][ T3646] ------------[ cut here ]------------ [ 50.284447][ T3646] WARNING: CPU: 0 PID: 3646 at arch/x86/mm/pat/memtype.c:1107 untrack_pfn+0x247/0x290 [ 50.294404][ T3646] Modules linked in: [ 50.298382][ T3646] CPU: 1 PID: 3646 Comm: syz-executor377 Not tainted 6.0.0-rc6-syzkaller-00009-g60891ec99e14 #0 [ 50.309376][ T3646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 50.319740][ T3646] RIP: 0010:untrack_pfn+0x247/0x290 [pid 3645] exit(0) = ? [pid 3645] +++ exited with 0 +++ [ 50.324994][ T3646] Code: 84 6c ff ff ff e8 49 76 43 00 4c 89 ee 4c 89 e7 e8 be de ff ff e8 39 76 43 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 29 76 43 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 6a 14 8f 00 e9 98 fe ff ff e8 50 [ 50.344917][ T3646] RSP: 0018:ffffc900030e7660 EFLAGS: 00010293 [ 50.352024][ T3646] RAX: 0000000000000000 RBX: ffff88801e1f8040 RCX: 0000000000000000 [ 50.360147][ T3646] RDX: ffff88807d0d6180 RSI: ffffffff8137c1c7 RDI: 0000000000000005 [ 50.368160][ T3646] RBP: 1ffff9200061cecc R08: 0000000000000005 R09: 0000000000000000 [ 50.376343][ T3646] R10: 00000000ffffffea R11: 0000000000000000 R12: 00000000ffffffea [ 50.384369][ T3646] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801e1f8090 [ 50.392395][ T3646] FS: 00005555556293c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 50.401433][ T3646] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.408032][ T3646] CR2: 00007fcf669f9f80 CR3: 00000000216ef000 CR4: 00000000003506e0 [ 50.416123][ T3646] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.424142][ T3646] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.432178][ T3646] Call Trace: [ 50.435473][ T3646] [ 50.438419][ T3646] ? track_pfn_insert+0x140/0x140 [ 50.443508][ T3646] ? vm_normal_page_pmd+0x5a0/0x5a0 [ 50.448738][ T3646] ? lock_downgrade+0x6e0/0x6e0 [ 50.453672][ T3646] ? uprobe_munmap+0x1c/0x560 [ 50.458366][ T3646] unmap_single_vma+0x1ba/0x360 [ 50.463254][ T3646] unmap_vmas+0x18c/0x310 [ 50.467622][ T3646] ? unmap_mapping_range+0x280/0x280 [ 50.473370][ T3646] ? lock_downgrade+0x6e0/0x6e0 [ 50.478246][ T3646] ? lru_add_drain_cpu+0x474/0x850 [ 50.483421][ T3646] exit_mmap+0x1b8/0x490 [ 50.487691][ T3646] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 50.493904][ T3646] ? dup_mm+0xb7e/0x13a0 [ 50.498177][ T3646] __mmput+0x122/0x4b0 [ 50.502282][ T3646] mmput+0x56/0x60 [ 50.506029][ T3646] dup_mm+0xdb4/0x13a0 [ 50.510214][ T3646] ? replace_mm_exe_file+0x480/0x480 [ 50.515518][ T3646] ? __raw_spin_lock_init+0x36/0x110 [ 50.520901][ T3646] copy_process+0x3ca6/0x7090 [ 50.525601][ T3646] ? find_held_lock+0x2d/0x110 [ 50.530452][ T3646] ? __cleanup_sighand+0xb0/0xb0 [ 50.535408][ T3646] ? _copy_from_user+0xf9/0x170 [ 50.540324][ T3646] kernel_clone+0xe7/0xab0 [ 50.544769][ T3646] ? create_io_thread+0xe0/0xe0 [ 50.549715][ T3646] ? do_raw_spin_lock+0x120/0x2a0 [ 50.554919][ T3646] __do_sys_clone3+0x1cd/0x2e0 [ 50.559747][ T3646] ? __do_sys_clone+0x100/0x100 [ 50.564624][ T3646] ? lock_downgrade+0x6e0/0x6e0 [ 50.569490][ T3646] ? _raw_spin_unlock_irq+0x1f/0x40 [ 50.574755][ T3646] ? _raw_spin_unlock_irq+0x1f/0x40 [ 50.580030][ T3646] ? lockdep_hardirqs_on+0x79/0x100 [ 50.585270][ T3646] ? _raw_spin_unlock_irq+0x2a/0x40 [ 50.590567][ T3646] ? ptrace_notify+0xfa/0x140 [ 50.595270][ T3646] do_syscall_64+0x35/0xb0 [ 50.599753][ T3646] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 50.605703][ T3646] RIP: 0033:0x7fcf669ca879 [ 50.610209][ T3646] 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 [ 50.629892][ T3646] RSP: 002b:00007ffeb5603dc8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 [ 50.638347][ T3646] RAX: ffffffffffffffda RBX: 000000000000c433 RCX: 00007fcf669ca879 [ 50.646382][ T3646] RDX: 0000000000000dd0 RSI: 0000000000000058 RDI: 00007ffeb5603de0 [ 50.654434][ T3646] RBP: 0000000000000000 R08: 0000000000000002 R09: 0000000000003832 [ 50.662461][ T3646] R10: 00007ffeb5603de0 R11: 0000000000000246 R12: 0000000000000002 [ 50.670537][ T3646] R13: 431bde82d7b634db R14: 00007ffeb5603f20 R15: 0000000000000000 [ 50.678529][ T3646] [ 50.681608][ T3646] Kernel panic - not syncing: panic_on_warn set ... [ 50.688209][ T3646] CPU: 1 PID: 3646 Comm: syz-executor377 Not tainted 6.0.0-rc6-syzkaller-00009-g60891ec99e14 #0 [ 50.698645][ T3646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 50.708722][ T3646] Call Trace: [ 50.712015][ T3646] [ 50.714949][ T3646] dump_stack_lvl+0xcd/0x134 [ 50.719550][ T3646] panic+0x2c8/0x627 [ 50.723458][ T3646] ? panic_print_sys_info.part.0+0x10b/0x10b [ 50.729454][ T3646] ? __warn.cold+0x248/0x2c4 [ 50.734057][ T3646] ? untrack_pfn+0x247/0x290 [ 50.738668][ T3646] __warn.cold+0x259/0x2c4 [ 50.743114][ T3646] ? untrack_pfn+0x247/0x290 [ 50.747714][ T3646] report_bug+0x1bc/0x210 [ 50.752051][ T3646] handle_bug+0x3c/0x60 [ 50.756217][ T3646] exc_invalid_op+0x14/0x40 [ 50.760739][ T3646] asm_exc_invalid_op+0x16/0x20 [ 50.765598][ T3646] RIP: 0010:untrack_pfn+0x247/0x290 [ 50.770807][ T3646] Code: 84 6c ff ff ff e8 49 76 43 00 4c 89 ee 4c 89 e7 e8 be de ff ff e8 39 76 43 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 29 76 43 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 6a 14 8f 00 e9 98 fe ff ff e8 50 [ 50.790419][ T3646] RSP: 0018:ffffc900030e7660 EFLAGS: 00010293 [ 50.796501][ T3646] RAX: 0000000000000000 RBX: ffff88801e1f8040 RCX: 0000000000000000 [ 50.804485][ T3646] RDX: ffff88807d0d6180 RSI: ffffffff8137c1c7 RDI: 0000000000000005 [ 50.812461][ T3646] RBP: 1ffff9200061cecc R08: 0000000000000005 R09: 0000000000000000 [ 50.820450][ T3646] R10: 00000000ffffffea R11: 0000000000000000 R12: 00000000ffffffea [ 50.828425][ T3646] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801e1f8090 [ 50.836401][ T3646] ? untrack_pfn+0x247/0x290 [ 50.841024][ T3646] ? track_pfn_insert+0x140/0x140 [ 50.846056][ T3646] ? vm_normal_page_pmd+0x5a0/0x5a0 [ 50.851268][ T3646] ? lock_downgrade+0x6e0/0x6e0 [ 50.856127][ T3646] ? uprobe_munmap+0x1c/0x560 [ 50.860841][ T3646] unmap_single_vma+0x1ba/0x360 [ 50.865720][ T3646] unmap_vmas+0x18c/0x310 [ 50.870073][ T3646] ? unmap_mapping_range+0x280/0x280 [ 50.875379][ T3646] ? lock_downgrade+0x6e0/0x6e0 [ 50.880246][ T3646] ? lru_add_drain_cpu+0x474/0x850 [ 50.885373][ T3646] exit_mmap+0x1b8/0x490 [ 50.889630][ T3646] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 50.895624][ T3646] ? dup_mm+0xb7e/0x13a0 [ 50.899876][ T3646] __mmput+0x122/0x4b0 [ 50.903953][ T3646] mmput+0x56/0x60 [ 50.907678][ T3646] dup_mm+0xdb4/0x13a0 [ 50.911762][ T3646] ? replace_mm_exe_file+0x480/0x480 [ 50.917055][ T3646] ? __raw_spin_lock_init+0x36/0x110 [ 50.922349][ T3646] copy_process+0x3ca6/0x7090 [ 50.927040][ T3646] ? find_held_lock+0x2d/0x110 [ 50.931817][ T3646] ? __cleanup_sighand+0xb0/0xb0 [ 50.936765][ T3646] ? _copy_from_user+0xf9/0x170 [ 50.941626][ T3646] kernel_clone+0xe7/0xab0 [ 50.946056][ T3646] ? create_io_thread+0xe0/0xe0 [ 50.950914][ T3646] ? do_raw_spin_lock+0x120/0x2a0 [ 50.955945][ T3646] __do_sys_clone3+0x1cd/0x2e0 [ 50.960717][ T3646] ? __do_sys_clone+0x100/0x100 [ 50.965578][ T3646] ? lock_downgrade+0x6e0/0x6e0 [ 50.970435][ T3646] ? _raw_spin_unlock_irq+0x1f/0x40 [ 50.975640][ T3646] ? _raw_spin_unlock_irq+0x1f/0x40 [ 50.980845][ T3646] ? lockdep_hardirqs_on+0x79/0x100 [ 50.986050][ T3646] ? _raw_spin_unlock_irq+0x2a/0x40 [ 50.991258][ T3646] ? ptrace_notify+0xfa/0x140 [ 50.995946][ T3646] do_syscall_64+0x35/0xb0 [ 51.000393][ T3646] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 51.006297][ T3646] RIP: 0033:0x7fcf669ca879 [ 51.010716][ T3646] 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 [ 51.030327][ T3646] RSP: 002b:00007ffeb5603dc8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 [ 51.038747][ T3646] RAX: ffffffffffffffda RBX: 000000000000c433 RCX: 00007fcf669ca879 [ 51.046720][ T3646] RDX: 0000000000000dd0 RSI: 0000000000000058 RDI: 00007ffeb5603de0 [ 51.054708][ T3646] RBP: 0000000000000000 R08: 0000000000000002 R09: 0000000000003832 [ 51.062723][ T3646] R10: 00007ffeb5603de0 R11: 0000000000000246 R12: 0000000000000002 [ 51.070708][ T3646] R13: 431bde82d7b634db R14: 00007ffeb5603f20 R15: 0000000000000000 [ 51.078692][ T3646] [ 51.081993][ T3646] Kernel Offset: disabled [ 51.086383][ T3646] Rebooting in 86400 seconds..