./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3547954393 <...> Warning: Permanently added '10.128.10.19' (ECDSA) to the list of known hosts. execve("./syz-executor3547954393", ["./syz-executor3547954393"], 0x7fff486fd170 /* 10 vars */) = 0 brk(NULL) = 0x555556380000 brk(0x555556380d00) = 0x555556380d00 arch_prctl(ARCH_SET_FS, 0x5555563803c0) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3547954393", 4096) = 28 brk(0x5555563a1d00) = 0x5555563a1d00 brk(0x5555563a2000) = 0x5555563a2000 mprotect(0x7f1d1f241000, 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=0x7f1d1f196180, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f1d1f1968c0}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f1d1f196180, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f1d1f1968c0}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3609 attached , child_tidptr=0x555556380690) = 3609 [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(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 3609] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [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, "19", 2) = 2 [pid 3609] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3610 attached ) = 3610 [pid 3609] exit_group(0) = ? [pid 3609] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3609, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3611 attached , child_tidptr=0x555556380690) = 3611 [pid 3611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3611] setpgid(0, 0) = 0 [pid 3611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3611] write(3, "1000", 4) = 4 [pid 3611] close(3) = 0 [pid 3611] 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 3611] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3611] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3611] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3611] write(4, "19", 2) = 2 [pid 3611] clone(child_stack=NULL, flags=0) = -1 ENOMEM (Cannot allocate memory) [pid 3611] exit_group(0) = ? [pid 3611] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3611, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3612 attached , child_tidptr=0x555556380690) = 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(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 3612] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [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, "19", 2) = 2 [pid 3612] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3613 attached ) = 3613 [pid 3612] exit_group(0) = ? [pid 3612] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3612, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3614 attached , child_tidptr=0x555556380690) = 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) = -1 ENOMEM (Cannot allocate memory) [pid 3614] exit_group(0) = ? [pid 3614] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3614, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556380690) = 3615 ./strace-static-x86_64: Process 3615 attached [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(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 3615] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [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, "19", 2) = 2 [pid 3615] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3616 attached ) = 3616 [pid 3615] exit_group(0) = ? [pid 3615] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3615, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556380690) = 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./strace-static-x86_64: Process 3618 attached ) = 3618 [pid 3617] exit_group(0) = ? [pid 3617] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3617, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556380690) = 3619 ./strace-static-x86_64: Process 3619 attached [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(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 3619] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [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, "19", 2) = 2 [pid 3619] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3620 attached ) = 3620 [pid 3619] exit_group(0) = ? [pid 3619] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3619, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556380690) = 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./strace-static-x86_64: Process 3622 attached ) = 3622 [pid 3621] exit_group(0) = ? [pid 3621] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3621, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3623 attached , child_tidptr=0x555556380690) = 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(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 3623] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [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, "19", 2) = 2 [pid 3623] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3624 attached ) = 3624 [pid 3623] exit_group(0) = ? [pid 3623] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3623, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556380690) = 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) = -1 ENOMEM (Cannot allocate memory) [pid 3625] exit_group(0) = ? [pid 3610] exit(0) = ? [pid 3610] +++ exited with 0 +++ [pid 3625] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3625, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556380690) = 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(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 3626] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [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, "19", 2) = 2 [pid 3626] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 3627 attached ) = 3627 [pid 3626] exit_group(0) = ? [pid 3626] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3626, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3628 attached , child_tidptr=0x555556380690) = 3628 [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 3613] exit(0 [pid 3628] write(3, "1000", 4 [pid 3613] <... exit resumed>) = ? [pid 3613] +++ exited with 0 +++ [pid 3628] <... write resumed>) = 4 [pid 3628] close(3) = 0 [pid 3628] 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 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) = 3629 ./strace-static-x86_64: Process 3629 attached [pid 3628] exit_group(0) = ? [pid 3628] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3628, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3630 attached , child_tidptr=0x555556380690) = 3630 [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 3616] exit(0) = ? [pid 3630] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3616] +++ exited with 0 +++ [pid 3630] <... openat resumed>) = 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 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3630, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3631 attached , child_tidptr=0x555556380690) = 3631 [pid 3631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] exit(0 [pid 3631] <... prctl resumed>) = 0 [pid 3631] setpgid(0, 0) = 0 [pid 3618] <... exit resumed>) = ? [pid 3631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3631] write(3, "1000", 4 [pid 3618] +++ exited with 0 +++ [pid 3631] <... write resumed>) = 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 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3631, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556380690) = 3632 ./strace-static-x86_64: Process 3632 attached [pid 3632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3620] exit(0 [pid 3632] <... prctl resumed>) = 0 [pid 3632] setpgid(0, 0 [pid 3620] <... exit resumed>) = ? [pid 3632] <... setpgid resumed>) = 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 [pid 3620] +++ exited with 0 +++ [pid 3632] <... 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 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) = 3633 [pid 3632] exit_group(0) = ? [pid 3632] +++ exited with 0 +++ ./strace-static-x86_64: Process 3633 attached [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3632, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3634 attached , child_tidptr=0x555556380690) = 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 [pid 3622] exit(0 [pid 3634] <... close resumed>) = 0 [pid 3622] <... exit resumed>) = ? [pid 3634] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3622] +++ exited with 0 +++ [pid 3634] <... 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 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) = -1 ENOMEM (Cannot allocate memory) [pid 3634] exit_group(0) = ? [pid 3634] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3634, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556380690) = 3635 ./strace-static-x86_64: Process 3635 attached [pid 3635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3635] setpgid(0, 0) = 0 [pid 3635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3635] write(3, "1000", 4) = 4 [pid 3635] close(3 [pid 3624] exit(0 [pid 3635] <... close resumed>) = 0 [pid 3624] <... exit resumed>) = ? [pid 3635] io_uring_setup(30617, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3624] +++ exited with 0 +++ [pid 3635] <... 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 3635] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [pid 3635] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3635] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3635] write(4, "19", 2) = 2 [pid 3635] clone(child_stack=NULL, flags=0) = -1 ENOMEM (Cannot allocate memory) [pid 3635] exit_group(0) = ? [pid 3635] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3635, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556380690) = 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 3636] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3636, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556380690) = 3638 ./strace-static-x86_64: Process 3638 attached [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 [pid 3627] exit(0) = ? [pid 3627] +++ exited with 0 +++ [pid 3638] <... openat resumed>) = 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 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556380690) = 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 3629] exit(0) = ? [pid 3629] +++ exited with 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 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3639, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556380690) = 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 3641] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3641, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556380690) = 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 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3643, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556380690) = 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 3645] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [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) = -1 ENOMEM (Cannot allocate memory) [pid 3645] exit_group(0) = ? [pid 3645] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3645, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3633] exit(0) = ? ./strace-static-x86_64: Process 3646 attached [pid 3633] +++ exited with 0 +++ [pid 3608] <... clone resumed>, child_tidptr=0x555556380690) = 3646 [pid 3646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 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) = 0 [pid 3646] 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 3646] mmap(0x20000000, 1179968, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x20000000 [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, "19", 2) = 2 [pid 3646] clone(child_stack=NULL, flags=0) = -1 ENOMEM (Cannot allocate memory) [pid 3646] exit_group(0) = ? [pid 3646] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3646, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556380690) = 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 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3647, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3649 attached , child_tidptr=0x555556380690) = 3649 [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 [pid 3637] exit(0) = ? [pid 3637] +++ exited with 0 +++ syzkaller login: [ 40.752058][ T3649] ------------[ cut here ]------------ [ 40.752066][ T3649] WARNING: CPU: 1 PID: 3649 at arch/x86/mm/pat/memtype.c:1099 untrack_pfn+0x247/0x290 [ 40.768578][ T3649] Modules linked in: [ 40.772929][ T3649] CPU: 0 PID: 3649 Comm: syz-executor354 Not tainted 5.19.0-rc2-syzkaller-00052-g979086f5e006 #0 [ 40.786495][ T3649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.797317][ T3649] RIP: 0010:untrack_pfn+0x247/0x290 [pid 3640] exit(0) = ? [pid 3640] +++ exited with 0 +++ [pid 3642] exit(0) = ? [pid 3642] +++ exited with 0 +++ [pid 3644] exit(0) = ? [ 40.802706][ T3649] Code: 84 6c ff ff ff e8 29 4b 43 00 4c 89 ee 4c 89 e7 e8 de dd ff ff e8 19 4b 43 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 09 4b 43 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 6a 0e 90 00 e9 98 fe ff ff e8 80 [ 40.823384][ T3649] RSP: 0018:ffffc9000318f6f8 EFLAGS: 00010293 [ 40.834067][ T3649] RAX: 0000000000000000 RBX: ffff88801d1ea420 RCX: 0000000000000000 [ 40.842619][ T3649] RDX: ffff88807b0a3b00 RSI: ffffffff813726f7 RDI: 0000000000000005 [pid 3644] +++ exited with 0 +++ [pid 3648] exit(0) = ? [pid 3648] +++ exited with 0 +++ [ 40.851498][ T3649] RBP: 1ffff92000631edf R08: 0000000000000005 R09: 0000000000000000 [ 40.860382][ T3649] R10: 00000000ffffffea R11: 0000000000000001 R12: 00000000ffffffea [ 40.868477][ T3649] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801d1ea470 [ 40.876476][ T3649] FS: 00005555563803c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 40.886926][ T3649] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.893843][ T3649] CR2: 00007ffcad190000 CR3: 0000000072129000 CR4: 00000000003506f0 [ 40.902016][ T3649] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.910081][ T3649] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.918073][ T3649] Call Trace: [ 40.921446][ T3649] [ 40.924557][ T3649] ? track_pfn_insert+0x140/0x140 [ 40.929654][ T3649] ? vm_normal_page_pmd+0x550/0x550 [ 40.934880][ T3649] ? unmap_vmas+0x148/0x310 [ 40.939481][ T3649] ? lock_downgrade+0x6e0/0x6e0 [ 40.944348][ T3649] ? uprobe_munmap+0x1c/0x560 [ 40.949117][ T3649] unmap_single_vma+0x1ba/0x360 [ 40.954005][ T3649] unmap_vmas+0x18c/0x310 [ 40.958469][ T3649] ? unmap_mapping_range+0x280/0x280 [ 40.963774][ T3649] ? lock_downgrade+0x6e0/0x6e0 [ 40.968712][ T3649] ? lru_add_drain_cpu+0x4e2/0x900 [ 40.973855][ T3649] exit_mmap+0x1c4/0x4a0 [ 40.978109][ T3649] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 40.984194][ T3649] ? dup_mm+0xb3d/0x1390 [ 40.988489][ T3649] __mmput+0x122/0x4b0 [ 40.992559][ T3649] mmput+0x56/0x60 [ 40.996285][ T3649] dup_mm+0xd73/0x1390 [ 41.000481][ T3649] ? replace_mm_exe_file+0x490/0x490 [ 41.005788][ T3649] ? __raw_spin_lock_init+0x36/0x110 [ 41.011173][ T3649] copy_process+0x3bba/0x7020 [ 41.015928][ T3649] ? __cleanup_sighand+0xb0/0xb0 [ 41.021033][ T3649] kernel_clone+0xe7/0xab0 [ 41.025466][ T3649] ? create_io_thread+0xe0/0xe0 [ 41.030455][ T3649] ? rwlock_bug.part.0+0x90/0x90 [ 41.035412][ T3649] ? _raw_spin_lock_irq+0x41/0x50 [ 41.040562][ T3649] ? find_held_lock+0x2d/0x110 [ 41.045437][ T3649] __do_sys_clone+0xba/0x100 [ 41.050119][ T3649] ? kernel_clone+0xab0/0xab0 [ 41.054838][ T3649] ? _raw_spin_unlock_irq+0x2a/0x40 [ 41.060175][ T3649] ? ptrace_notify+0xfa/0x140 [ 41.064903][ T3649] do_syscall_64+0x35/0xb0 [ 41.069513][ T3649] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 41.075430][ T3649] RIP: 0033:0x7f1d1f1d45e9 [ 41.079974][ T3649] 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 [ 41.099915][ T3649] RSP: 002b:00007ffcec7d8558 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 41.109087][ T3649] RAX: ffffffffffffffda RBX: 0000000000009eee RCX: 00007f1d1f1d45e9 [ 41.117103][ T3649] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 41.126209][ T3649] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000003931 [ 41.134678][ T3649] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.143021][ T3649] R13: 431bde82d7b634db R14: 00007ffcec7d85b0 R15: 0000000000000000 [ 41.151312][ T3649] [ 41.154366][ T3649] Kernel panic - not syncing: panic_on_warn set ... [ 41.160956][ T3649] CPU: 0 PID: 3649 Comm: syz-executor354 Not tainted 5.19.0-rc2-syzkaller-00052-g979086f5e006 #0 [ 41.171450][ T3649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.181612][ T3649] Call Trace: [ 41.184908][ T3649] [ 41.187858][ T3649] dump_stack_lvl+0xcd/0x134 [ 41.198052][ T3649] panic+0x2d7/0x636 [ 41.201958][ T3649] ? panic_print_sys_info.part.0+0x10b/0x10b [ 41.207961][ T3649] ? __warn.cold+0x1d9/0x2cd [ 41.212549][ T3649] ? untrack_pfn+0x247/0x290 [ 41.217135][ T3649] __warn.cold+0x1ea/0x2cd [ 41.221570][ T3649] ? untrack_pfn+0x247/0x290 [ 41.226176][ T3649] report_bug+0x1bc/0x210 [ 41.230509][ T3649] handle_bug+0x3c/0x60 [ 41.234666][ T3649] exc_invalid_op+0x14/0x40 [ 41.239187][ T3649] asm_exc_invalid_op+0x1b/0x20 [ 41.244050][ T3649] RIP: 0010:untrack_pfn+0x247/0x290 [ 41.249266][ T3649] Code: 84 6c ff ff ff e8 29 4b 43 00 4c 89 ee 4c 89 e7 e8 de dd ff ff e8 19 4b 43 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 09 4b 43 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 6a 0e 90 00 e9 98 fe ff ff e8 80 [ 41.268888][ T3649] RSP: 0018:ffffc9000318f6f8 EFLAGS: 00010293 [ 41.274981][ T3649] RAX: 0000000000000000 RBX: ffff88801d1ea420 RCX: 0000000000000000 [ 41.282972][ T3649] RDX: ffff88807b0a3b00 RSI: ffffffff813726f7 RDI: 0000000000000005 [ 41.290953][ T3649] RBP: 1ffff92000631edf R08: 0000000000000005 R09: 0000000000000000 [ 41.298927][ T3649] R10: 00000000ffffffea R11: 0000000000000001 R12: 00000000ffffffea [ 41.306903][ T3649] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801d1ea470 [ 41.314889][ T3649] ? untrack_pfn+0x247/0x290 [ 41.319495][ T3649] ? untrack_pfn+0x247/0x290 [ 41.324109][ T3649] ? track_pfn_insert+0x140/0x140 [ 41.329154][ T3649] ? vm_normal_page_pmd+0x550/0x550 [ 41.334365][ T3649] ? unmap_vmas+0x148/0x310 [ 41.338893][ T3649] ? lock_downgrade+0x6e0/0x6e0 [ 41.343754][ T3649] ? uprobe_munmap+0x1c/0x560 [ 41.348448][ T3649] unmap_single_vma+0x1ba/0x360 [ 41.354097][ T3649] unmap_vmas+0x18c/0x310 [ 41.358524][ T3649] ? unmap_mapping_range+0x280/0x280 [ 41.363822][ T3649] ? lock_downgrade+0x6e0/0x6e0 [ 41.368688][ T3649] ? lru_add_drain_cpu+0x4e2/0x900 [ 41.373816][ T3649] exit_mmap+0x1c4/0x4a0 [ 41.378066][ T3649] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 41.384063][ T3649] ? dup_mm+0xb3d/0x1390 [ 41.388328][ T3649] __mmput+0x122/0x4b0 [ 41.392425][ T3649] mmput+0x56/0x60 [ 41.396157][ T3649] dup_mm+0xd73/0x1390 [ 41.400243][ T3649] ? replace_mm_exe_file+0x490/0x490 [ 41.405551][ T3649] ? __raw_spin_lock_init+0x36/0x110 [ 41.410848][ T3649] copy_process+0x3bba/0x7020 [ 41.415551][ T3649] ? __cleanup_sighand+0xb0/0xb0 [ 41.420510][ T3649] kernel_clone+0xe7/0xab0 [ 41.424936][ T3649] ? create_io_thread+0xe0/0xe0 [ 41.429794][ T3649] ? rwlock_bug.part.0+0x90/0x90 [ 41.434736][ T3649] ? _raw_spin_lock_irq+0x41/0x50 [ 41.439789][ T3649] ? find_held_lock+0x2d/0x110 [ 41.444568][ T3649] __do_sys_clone+0xba/0x100 [ 41.449167][ T3649] ? kernel_clone+0xab0/0xab0 [ 41.453949][ T3649] ? _raw_spin_unlock_irq+0x2a/0x40 [ 41.459160][ T3649] ? ptrace_notify+0xfa/0x140 [ 41.463857][ T3649] do_syscall_64+0x35/0xb0 [ 41.468312][ T3649] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 41.474230][ T3649] RIP: 0033:0x7f1d1f1d45e9 [ 41.478648][ T3649] 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 [ 41.498265][ T3649] RSP: 002b:00007ffcec7d8558 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 41.506698][ T3649] RAX: ffffffffffffffda RBX: 0000000000009eee RCX: 00007f1d1f1d45e9 [ 41.514759][ T3649] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 41.522731][ T3649] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000003931 [ 41.530706][ T3649] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.538684][ T3649] R13: 431bde82d7b634db R14: 00007ffcec7d85b0 R15: 0000000000000000 [ 41.546675][ T3649] [ 41.549978][ T3649] Kernel Offset: disabled [ 41.554352][ T3649] Rebooting in 86400 seconds..