./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2990798614 <...> Warning: Permanently added '10.128.0.53' (ECDSA) to the list of known hosts. execve("./syz-executor2990798614", ["./syz-executor2990798614"], 0x7ffd67637000 /* 10 vars */) = 0 brk(NULL) = 0x55555718a000 brk(0x55555718ac40) = 0x55555718ac40 arch_prctl(ARCH_SET_FS, 0x55555718a300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2990798614", 4096) = 28 brk(0x5555571abc40) = 0x5555571abc40 brk(0x5555571ac000) = 0x5555571ac000 mprotect(0x7feb3f953000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3605 attached , child_tidptr=0x55555718a5d0) = 3605 [pid 3605] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3605] setsid() = 1 [pid 3605] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3605] unshare(CLONE_NEWNS) = 0 [pid 3605] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3605] unshare(CLONE_NEWIPC) = 0 [pid 3605] unshare(CLONE_NEWCGROUP) = 0 [pid 3605] unshare(CLONE_NEWUTS) = 0 [pid 3605] unshare(CLONE_SYSVSEM) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "16777216", 8) = 8 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "536870912", 9) = 9 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "8192", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3605] close(3) = 0 [pid 3605] getpid() = 1 [pid 3605] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555718a5d0) = 4 ./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] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 3609] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3609] close(3) = 0 [pid 3609] close(4) = 0 [pid 3609] close(5) = -1 EBADF (Bad file descriptor) [pid 3609] close(6) = -1 EBADF (Bad file descriptor) [pid 3609] close(7) = -1 EBADF (Bad file descriptor) [pid 3609] close(8) = -1 EBADF (Bad file descriptor) [pid 3609] close(9) = -1 EBADF (Bad file descriptor) [pid 3609] close(10) = -1 EBADF (Bad file descriptor) [pid 3609] close(11) = -1 EBADF (Bad file descriptor) [pid 3609] close(12) = -1 EBADF (Bad file descriptor) [pid 3609] close(13) = -1 EBADF (Bad file descriptor) [pid 3609] close(14) = -1 EBADF (Bad file descriptor) [pid 3609] close(15) = -1 EBADF (Bad file descriptor) [pid 3609] close(16) = -1 EBADF (Bad file descriptor) [pid 3609] close(17) = -1 EBADF (Bad file descriptor) [pid 3609] close(18) = -1 EBADF (Bad file descriptor) [pid 3609] close(19) = -1 EBADF (Bad file descriptor) [pid 3609] close(20) = -1 EBADF (Bad file descriptor) [pid 3609] close(21) = -1 EBADF (Bad file descriptor) [pid 3609] close(22) = -1 EBADF (Bad file descriptor) [pid 3609] close(23) = -1 EBADF (Bad file descriptor) [pid 3609] close(24) = -1 EBADF (Bad file descriptor) [pid 3609] close(25) = -1 EBADF (Bad file descriptor) [pid 3609] close(26) = -1 EBADF (Bad file descriptor) [pid 3609] close(27) = -1 EBADF (Bad file descriptor) [pid 3609] close(28) = -1 EBADF (Bad file descriptor) [pid 3609] close(29) = -1 EBADF (Bad file descriptor) [pid 3609] exit_group(0) = ? [pid 3609] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, 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=0x55555718a5d0) = 5 ./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] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 3610] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3610] close(3) = 0 [pid 3610] close(4) = 0 [pid 3610] close(5) = -1 EBADF (Bad file descriptor) [pid 3610] close(6) = -1 EBADF (Bad file descriptor) [pid 3610] close(7) = -1 EBADF (Bad file descriptor) [pid 3610] close(8) = -1 EBADF (Bad file descriptor) [pid 3610] close(9) = -1 EBADF (Bad file descriptor) [pid 3610] close(10) = -1 EBADF (Bad file descriptor) [pid 3610] close(11) = -1 EBADF (Bad file descriptor) [pid 3610] close(12) = -1 EBADF (Bad file descriptor) [pid 3610] close(13) = -1 EBADF (Bad file descriptor) [pid 3610] close(14) = -1 EBADF (Bad file descriptor) [pid 3610] close(15) = -1 EBADF (Bad file descriptor) [pid 3610] close(16) = -1 EBADF (Bad file descriptor) [pid 3610] close(17) = -1 EBADF (Bad file descriptor) [pid 3610] close(18) = -1 EBADF (Bad file descriptor) [pid 3610] close(19) = -1 EBADF (Bad file descriptor) [pid 3610] close(20) = -1 EBADF (Bad file descriptor) [pid 3610] close(21) = -1 EBADF (Bad file descriptor) [pid 3610] close(22) = -1 EBADF (Bad file descriptor) [pid 3610] close(23) = -1 EBADF (Bad file descriptor) [pid 3610] close(24) = -1 EBADF (Bad file descriptor) [pid 3610] close(25) = -1 EBADF (Bad file descriptor) [pid 3610] close(26) = -1 EBADF (Bad file descriptor) [pid 3610] close(27) = -1 EBADF (Bad file descriptor) [pid 3610] close(28) = -1 EBADF (Bad file descriptor) [pid 3610] close(29) = -1 EBADF (Bad file descriptor) [pid 3610] exit_group(0) = ? [pid 3610] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, 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=0x55555718a5d0) = 6 ./strace-static-x86_64: Process 3611 attached [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] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 3611] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3611] close(3) = 0 [pid 3611] close(4) = 0 [pid 3611] close(5) = -1 EBADF (Bad file descriptor) [pid 3611] close(6) = -1 EBADF (Bad file descriptor) [pid 3611] close(7) = -1 EBADF (Bad file descriptor) [pid 3611] close(8) = -1 EBADF (Bad file descriptor) [pid 3611] close(9) = -1 EBADF (Bad file descriptor) [pid 3611] close(10) = -1 EBADF (Bad file descriptor) [pid 3611] close(11) = -1 EBADF (Bad file descriptor) [pid 3611] close(12) = -1 EBADF (Bad file descriptor) [pid 3611] close(13) = -1 EBADF (Bad file descriptor) [pid 3611] close(14) = -1 EBADF (Bad file descriptor) [pid 3611] close(15) = -1 EBADF (Bad file descriptor) [pid 3611] close(16) = -1 EBADF (Bad file descriptor) [pid 3611] close(17) = -1 EBADF (Bad file descriptor) [pid 3611] close(18) = -1 EBADF (Bad file descriptor) [pid 3611] close(19) = -1 EBADF (Bad file descriptor) [pid 3611] close(20) = -1 EBADF (Bad file descriptor) [pid 3611] close(21) = -1 EBADF (Bad file descriptor) [pid 3611] close(22) = -1 EBADF (Bad file descriptor) [pid 3611] close(23) = -1 EBADF (Bad file descriptor) [pid 3611] close(24) = -1 EBADF (Bad file descriptor) [pid 3611] close(25) = -1 EBADF (Bad file descriptor) [pid 3611] close(26) = -1 EBADF (Bad file descriptor) [pid 3611] close(27) = -1 EBADF (Bad file descriptor) [pid 3611] close(28) = -1 EBADF (Bad file descriptor) [pid 3611] close(29) = -1 EBADF (Bad file descriptor) [pid 3611] exit_group(0) = ? [pid 3611] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, 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=0x55555718a5d0) = 7 [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] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 3612] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3612] close(3) = 0 [pid 3612] close(4) = 0 [pid 3612] close(5) = -1 EBADF (Bad file descriptor) [pid 3612] close(6) = -1 EBADF (Bad file descriptor) [pid 3612] close(7) = -1 EBADF (Bad file descriptor) [pid 3612] close(8) = -1 EBADF (Bad file descriptor) [pid 3612] close(9) = -1 EBADF (Bad file descriptor) [pid 3612] close(10) = -1 EBADF (Bad file descriptor) [pid 3612] close(11) = -1 EBADF (Bad file descriptor) [pid 3612] close(12) = -1 EBADF (Bad file descriptor) [pid 3612] close(13) = -1 EBADF (Bad file descriptor) [pid 3612] close(14) = -1 EBADF (Bad file descriptor) [pid 3612] close(15) = -1 EBADF (Bad file descriptor) [pid 3612] close(16) = -1 EBADF (Bad file descriptor) [pid 3612] close(17) = -1 EBADF (Bad file descriptor) [pid 3612] close(18) = -1 EBADF (Bad file descriptor) [pid 3612] close(19) = -1 EBADF (Bad file descriptor) [pid 3612] close(20) = -1 EBADF (Bad file descriptor) [pid 3612] close(21) = -1 EBADF (Bad file descriptor) [pid 3612] close(22) = -1 EBADF (Bad file descriptor) [pid 3612] close(23) = -1 EBADF (Bad file descriptor) [pid 3612] close(24) = -1 EBADF (Bad file descriptor) [pid 3612] close(25) = -1 EBADF (Bad file descriptor) [pid 3612] close(26) = -1 EBADF (Bad file descriptor) [pid 3612] close(27) = -1 EBADF (Bad file descriptor) [pid 3612] close(28) = -1 EBADF (Bad file descriptor) [pid 3612] close(29) = -1 EBADF (Bad file descriptor) [pid 3612] exit_group(0) = ? [pid 3612] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, 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 3613 attached , child_tidptr=0x55555718a5d0) = 8 [pid 3613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3613] setpgid(0, 0) = 0 [pid 3613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "1000", 4) = 4 [pid 3613] close(3) = 0 [pid 3613] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 3613] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3613] close(3) = 0 [pid 3613] close(4) = 0 [pid 3613] close(5) = -1 EBADF (Bad file descriptor) [pid 3613] close(6) = -1 EBADF (Bad file descriptor) [pid 3613] close(7) = -1 EBADF (Bad file descriptor) [pid 3613] close(8) = -1 EBADF (Bad file descriptor) [pid 3613] close(9) = -1 EBADF (Bad file descriptor) [pid 3613] close(10) = -1 EBADF (Bad file descriptor) [pid 3613] close(11) = -1 EBADF (Bad file descriptor) [pid 3613] close(12) = -1 EBADF (Bad file descriptor) [pid 3613] close(13) = -1 EBADF (Bad file descriptor) [pid 3613] close(14) = -1 EBADF (Bad file descriptor) [pid 3613] close(15) = -1 EBADF (Bad file descriptor) [pid 3613] close(16) = -1 EBADF (Bad file descriptor) [pid 3613] close(17) = -1 EBADF (Bad file descriptor) [pid 3613] close(18) = -1 EBADF (Bad file descriptor) [pid 3613] close(19) = -1 EBADF (Bad file descriptor) [pid 3613] close(20) = -1 EBADF (Bad file descriptor) [pid 3613] close(21) = -1 EBADF (Bad file descriptor) [pid 3613] close(22) = -1 EBADF (Bad file descriptor) [pid 3613] close(23) = -1 EBADF (Bad file descriptor) [pid 3613] close(24) = -1 EBADF (Bad file descriptor) [pid 3613] close(25) = -1 EBADF (Bad file descriptor) [pid 3613] close(26) = -1 EBADF (Bad file descriptor) [pid 3613] close(27) = -1 EBADF (Bad file descriptor) [pid 3613] close(28) = -1 EBADF (Bad file descriptor) [pid 3613] close(29) = -1 EBADF (Bad file descriptor) [pid 3613] exit_group(0) = ? [pid 3613] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, 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=0x55555718a5d0) = 9 ./strace-static-x86_64: Process 3614 attached [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] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 3614] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3614] close(3) = 0 [pid 3614] close(4) = 0 [pid 3614] close(5) = -1 EBADF (Bad file descriptor) [pid 3614] close(6) = -1 EBADF (Bad file descriptor) [pid 3614] close(7) = -1 EBADF (Bad file descriptor) [pid 3614] close(8) = -1 EBADF (Bad file descriptor) [pid 3614] close(9) = -1 EBADF (Bad file descriptor) [pid 3614] close(10) = -1 EBADF (Bad file descriptor) [pid 3614] close(11) = -1 EBADF (Bad file descriptor) [pid 3614] close(12) = -1 EBADF (Bad file descriptor) [pid 3614] close(13) = -1 EBADF (Bad file descriptor) [pid 3614] close(14) = -1 EBADF (Bad file descriptor) [pid 3614] close(15) = -1 EBADF (Bad file descriptor) [pid 3614] close(16) = -1 EBADF (Bad file descriptor) [pid 3614] close(17) = -1 EBADF (Bad file descriptor) [pid 3614] close(18) = -1 EBADF (Bad file descriptor) [pid 3614] close(19) = -1 EBADF (Bad file descriptor) [pid 3614] close(20) = -1 EBADF (Bad file descriptor) [pid 3614] close(21) = -1 EBADF (Bad file descriptor) [pid 3614] close(22) = -1 EBADF (Bad file descriptor) [pid 3614] close(23) = -1 EBADF (Bad file descriptor) [pid 3614] close(24) = -1 EBADF (Bad file descriptor) [pid 3614] close(25) = -1 EBADF (Bad file descriptor) [pid 3614] close(26) = -1 EBADF (Bad file descriptor) [pid 3614] close(27) = -1 EBADF (Bad file descriptor) [pid 3614] close(28) = -1 EBADF (Bad file descriptor) [pid 3614] close(29) = -1 EBADF (Bad file descriptor) [pid 3614] exit_group(0) = ? [pid 3614] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, 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=0x55555718a5d0) = 10 ./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] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 3615] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3615] close(3) = 0 [pid 3615] close(4) = 0 [pid 3615] close(5) = -1 EBADF (Bad file descriptor) [pid 3615] close(6) = -1 EBADF (Bad file descriptor) [pid 3615] close(7) = -1 EBADF (Bad file descriptor) [pid 3615] close(8) = -1 EBADF (Bad file descriptor) [pid 3615] close(9) = -1 EBADF (Bad file descriptor) [pid 3615] close(10) = -1 EBADF (Bad file descriptor) [pid 3615] close(11) = -1 EBADF (Bad file descriptor) [pid 3615] close(12) = -1 EBADF (Bad file descriptor) [pid 3615] close(13) = -1 EBADF (Bad file descriptor) [pid 3615] close(14) = -1 EBADF (Bad file descriptor) [pid 3615] close(15) = -1 EBADF (Bad file descriptor) [pid 3615] close(16) = -1 EBADF (Bad file descriptor) [pid 3615] close(17) = -1 EBADF (Bad file descriptor) [pid 3615] close(18) = -1 EBADF (Bad file descriptor) [pid 3615] close(19) = -1 EBADF (Bad file descriptor) [pid 3615] close(20) = -1 EBADF (Bad file descriptor) [pid 3615] close(21) = -1 EBADF (Bad file descriptor) [pid 3615] close(22) = -1 EBADF (Bad file descriptor) [pid 3615] close(23) = -1 EBADF (Bad file descriptor) [pid 3615] close(24) = -1 EBADF (Bad file descriptor) [pid 3615] close(25) = -1 EBADF (Bad file descriptor) [pid 3615] close(26) = -1 EBADF (Bad file descriptor) [pid 3615] close(27) = -1 EBADF (Bad file descriptor) [pid 3615] close(28) = -1 EBADF (Bad file descriptor) [pid 3615] close(29) = -1 EBADF (Bad file descriptor) [pid 3615] exit_group(0) = ? [pid 3615] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, 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=0x55555718a5d0) = 11 ./strace-static-x86_64: Process 3616 attached [pid 3616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3616] setpgid(0, 0) = 0 [pid 3616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3616] write(3, "1000", 4) = 4 [pid 3616] close(3) = 0 [pid 3616] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 3616] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3616] close(3) = 0 [pid 3616] close(4) = 0 [pid 3616] close(5) = -1 EBADF (Bad file descriptor) [pid 3616] close(6) = -1 EBADF (Bad file descriptor) [pid 3616] close(7) = -1 EBADF (Bad file descriptor) [pid 3616] close(8) = -1 EBADF (Bad file descriptor) [pid 3616] close(9) = -1 EBADF (Bad file descriptor) [pid 3616] close(10) = -1 EBADF (Bad file descriptor) [pid 3616] close(11) = -1 EBADF (Bad file descriptor) [pid 3616] close(12) = -1 EBADF (Bad file descriptor) [pid 3616] close(13) = -1 EBADF (Bad file descriptor) [pid 3616] close(14) = -1 EBADF (Bad file descriptor) [pid 3616] close(15) = -1 EBADF (Bad file descriptor) [pid 3616] close(16) = -1 EBADF (Bad file descriptor) [pid 3616] close(17) = -1 EBADF (Bad file descriptor) [pid 3616] close(18) = -1 EBADF (Bad file descriptor) [pid 3616] close(19) = -1 EBADF (Bad file descriptor) [pid 3616] close(20) = -1 EBADF (Bad file descriptor) [pid 3616] close(21) = -1 EBADF (Bad file descriptor) [pid 3616] close(22) = -1 EBADF (Bad file descriptor) [pid 3616] close(23) = -1 EBADF (Bad file descriptor) [pid 3616] close(24) = -1 EBADF (Bad file descriptor) [pid 3616] close(25) = -1 EBADF (Bad file descriptor) [pid 3616] close(26) = -1 EBADF (Bad file descriptor) [pid 3616] close(27) = -1 EBADF (Bad file descriptor) [pid 3616] close(28) = -1 EBADF (Bad file descriptor) [pid 3616] close(29) = -1 EBADF (Bad file descriptor) [pid 3616] exit_group(0) = ? [pid 3616] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, 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=0x55555718a5d0) = 12 ./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] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 3617] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3617] close(3) = 0 [ 41.517452][ T3616] [ 41.517461][ T3616] ============================================ [ 41.517466][ T3616] WARNING: possible recursive locking detected [ 41.517472][ T3616] 5.18.0-syzkaller-10196-gda6e113ff010 #0 Not tainted [ 41.517484][ T3616] -------------------------------------------- [ 41.517490][ T3616] syz-executor299/3616 is trying to acquire lock: [ 41.517501][ T3616] ffffffff8be0d6d8 (trace_printk_lock){....}-{2:2}, at: bpf_trace_printk+0xcf/0x170 [ 41.517567][ T3616] [pid 3617] close(4) = 0 [pid 3617] close(5) = -1 EBADF (Bad file descriptor) [pid 3617] close(6) = -1 EBADF (Bad file descriptor) [pid 3617] close(7) = -1 EBADF (Bad file descriptor) [pid 3617] close(8) = -1 EBADF (Bad file descriptor) [pid 3617] close(9) = -1 EBADF (Bad file descriptor) [pid 3617] close(10) = -1 EBADF (Bad file descriptor) [pid 3617] close(11) = -1 EBADF (Bad file descriptor) [pid 3617] close(12) = -1 EBADF (Bad file descriptor) [pid 3617] close(13) = -1 EBADF (Bad file descriptor) [pid 3617] close(14) = -1 EBADF (Bad file descriptor) [pid 3617] close(15) = -1 EBADF (Bad file descriptor) [pid 3617] close(16) = -1 EBADF (Bad file descriptor) [pid 3617] close(17) = -1 EBADF (Bad file descriptor) [pid 3617] close(18) = -1 EBADF (Bad file descriptor) [pid 3617] close(19) = -1 EBADF (Bad file descriptor) [pid 3617] close(20) = -1 EBADF (Bad file descriptor) [pid 3617] close(21) = -1 EBADF (Bad file descriptor) [pid 3617] close(22) = -1 EBADF (Bad file descriptor) [pid 3617] close(23) = -1 EBADF (Bad file descriptor) [pid 3617] close(24) = -1 EBADF (Bad file descriptor) [pid 3617] close(25) = -1 EBADF (Bad file descriptor) [pid 3617] close(26) = -1 EBADF (Bad file descriptor) [pid 3617] close(27) = -1 EBADF (Bad file descriptor) [ 41.517567][ T3616] but task is already holding lock: [ 41.517572][ T3616] ffffffff8be0d6d8 (trace_printk_lock){....}-{2:2}, at: bpf_trace_printk+0xcf/0x170 [ 41.517616][ T3616] [ 41.517616][ T3616] other info that might help us debug this: [ 41.517622][ T3616] Possible unsafe locking scenario: [ 41.517622][ T3616] [ 41.517627][ T3616] CPU0 [ 41.517630][ T3616] ---- [ 41.517632][ T3616] lock(trace_printk_lock); [ 41.517644][ T3616] lock(trace_printk_lock); [ 41.517655][ T3616] [pid 3617] close(28) = -1 EBADF (Bad file descriptor) [pid 3617] close(29) = -1 EBADF (Bad file descriptor) [pid 3617] exit_group(0) = ? [pid 3617] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555718a5d0) = 13 ./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] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [ 41.517655][ T3616] *** DEADLOCK *** [ 41.517655][ T3616] [ 41.517658][ T3616] May be due to missing lock nesting notation [ 41.517658][ T3616] [ 41.517662][ T3616] 4 locks held by syz-executor299/3616: [ 41.517673][ T3616] #0: ffffffff8bdeefa8 (tracepoints_mutex){+.+.}-{3:3}, at: tracepoint_probe_unregister+0x2d/0xc30 [ 41.517724][ T3616] #1: ffffffff8bd86be0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x0/0x340 [ 41.517774][ T3616] #2: ffffffff8be0d6d8 (trace_printk_lock){....}-{2:2}, at: bpf_trace_printk+0xcf/0x170 [pid 3618] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3618] close(3) = 0 [ 41.517823][ T3616] #3: ffffffff8bd86be0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x0/0x340 [ 41.517851][ T3616] [ 41.517851][ T3616] stack backtrace: [ 41.517854][ T3616] CPU: 0 PID: 3616 Comm: syz-executor299 Not tainted 5.18.0-syzkaller-10196-gda6e113ff010 #0 [ 41.517869][ T3616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.517876][ T3616] Call Trace: [ 41.517880][ T3616] [ 41.517885][ T3616] dump_stack_lvl+0xcd/0x134 [ 41.517905][ T3616] __lock_acquire.cold+0x1f5/0x3b4 [pid 3618] close(4) = 0 [pid 3618] close(5) = -1 EBADF (Bad file descriptor) [ 41.517924][ T3616] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 41.517945][ T3616] lock_acquire+0x1ab/0x570 [ 41.517965][ T3616] ? bpf_trace_printk+0xcf/0x170 [ 41.517978][ T3616] ? lock_release+0x780/0x780 [ 41.517993][ T3616] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 41.518009][ T3616] ? check_buffer+0x4dc/0x7d0 [ 41.518022][ T3616] ? bpf_bprintf_cleanup+0x60/0x60 [ 41.518040][ T3616] _raw_spin_lock_irqsave+0x39/0x50 [ 41.518054][ T3616] ? bpf_trace_printk+0xcf/0x170 [ 41.518066][ T3616] bpf_trace_printk+0xcf/0x170 [pid 3618] close(6) = -1 EBADF (Bad file descriptor) [pid 3618] close(7) = -1 EBADF (Bad file descriptor) [pid 3618] close(8) = -1 EBADF (Bad file descriptor) [pid 3618] close(9) = -1 EBADF (Bad file descriptor) [pid 3618] close(10) = -1 EBADF (Bad file descriptor) [pid 3618] close(11) = -1 EBADF (Bad file descriptor) [pid 3618] close(12) = -1 EBADF (Bad file descriptor) [pid 3618] close(13) = -1 EBADF (Bad file descriptor) [pid 3618] close(14) = -1 EBADF (Bad file descriptor) [pid 3618] close(15) = -1 EBADF (Bad file descriptor) [pid 3618] close(16) = -1 EBADF (Bad file descriptor) [pid 3618] close(17) = -1 EBADF (Bad file descriptor) [pid 3618] close(18) = -1 EBADF (Bad file descriptor) [pid 3618] close(19) = -1 EBADF (Bad file descriptor) [pid 3618] close(20) = -1 EBADF (Bad file descriptor) [pid 3618] close(21) = -1 EBADF (Bad file descriptor) [pid 3618] close(22) = -1 EBADF (Bad file descriptor) [pid 3618] close(23) = -1 EBADF (Bad file descriptor) [pid 3618] close(24) = -1 EBADF (Bad file descriptor) [pid 3618] close(25) = -1 EBADF (Bad file descriptor) [pid 3618] close(26) = -1 EBADF (Bad file descriptor) [pid 3618] close(27) = -1 EBADF (Bad file descriptor) [pid 3618] close(28) = -1 EBADF (Bad file descriptor) [pid 3618] close(29) = -1 EBADF (Bad file descriptor) [pid 3618] exit_group(0) = ? [pid 3618] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=10} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555718a5d0) = 14 ./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] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [ 41.518079][ T3616] ? trace_bpf_trace_printk+0x220/0x220 [ 41.518093][ T3616] ? lock_chain_count+0x20/0x20 [ 41.518110][ T3616] bpf_prog_0605f9f479290f07+0x2f/0x33 [ 41.518121][ T3616] bpf_trace_run2+0x110/0x340 [ 41.518134][ T3616] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 41.518149][ T3616] __bpf_trace_contention_begin+0xb5/0xf0 [ 41.518164][ T3616] ? __bpf_trace_lock+0xe0/0xe0 [ 41.518179][ T3616] ? is_bpf_text_address+0x77/0x170 [ 41.518195][ T3616] trace_contention_begin.constprop.0+0xda/0x1b0 [ 41.518209][ T3616] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 41.518224][ T3616] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 41.518240][ T3616] do_raw_spin_lock+0x200/0x2a0 [ 41.518253][ T3616] ? rwlock_bug.part.0+0x90/0x90 [ 41.518265][ T3616] ? _raw_spin_lock_irqsave+0x4e/0x50 [ 41.518279][ T3616] _raw_spin_lock_irqsave+0x41/0x50 [ 41.518292][ T3616] ? bpf_trace_printk+0xcf/0x170 [ 41.518304][ T3616] bpf_trace_printk+0xcf/0x170 [ 41.518316][ T3616] ? trace_bpf_trace_printk+0x220/0x220 [ 41.518333][ T3616] bpf_prog_0605f9f479290f07+0x2f/0x33 [ 41.518344][ T3616] bpf_trace_run2+0x110/0x340 [ 41.518356][ T3616] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 41.518372][ T3616] __bpf_trace_contention_begin+0xb5/0xf0 [ 41.518387][ T3616] ? __bpf_trace_lock+0xe0/0xe0 [ 41.518403][ T3616] trace_contention_begin+0xc0/0x150 [ 41.518403][ T3616] trace_contention_begin+0xc0/0x150 [ 41.518418][ T3616] __mutex_lock+0x13c/0x1350 [ 41.518433][ T3616] ? tracepoint_probe_unregister+0x2d/0xc30 [ 41.518445][ T3616] ? lockdep_hardirqs_on+0x79/0x100 [ 41.518458][ T3616] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 41.518484][ T3616] ? tracepoint_probe_unregister+0x2d/0xc30 [ 41.518506][ T3616] ? mutex_lock_io_nested+0x1190/0x1190 [ 41.518536][ T3616] ? find_held_lock+0x2d/0x110 [ 41.518554][ T3616] ? __bpf_trace_lock+0xe0/0xe0 [ 41.518568][ T3616] tracepoint_probe_unregister+0x2d/0xc30 [ 41.518581][ T3616] ? __local_bh_enable_ip+0xa0/0x120 [ 41.518596][ T3616] bpf_raw_tp_link_release+0x51/0xa0 [ 41.518611][ T3616] ? __local_bh_enable_ip+0xa0/0x120 [ 41.518623][ T3616] bpf_link_free+0xe6/0x1b0 [ 41.518638][ T3616] bpf_link_put+0x161/0x1b0 [ 41.518653][ T3616] bpf_link_release+0x33/0x40 [ 41.518668][ T3616] __fput+0x277/0x9d0 [ 41.518680][ T3616] ? bpf_link_put+0x1b0/0x1b0 [ 41.518695][ T3616] task_work_run+0xdd/0x1a0 [ 41.518711][ T3616] ptrace_notify+0x114/0x140 [ 41.518724][ T3616] syscall_exit_to_user_mode_prepare+0xdb/0x230 [ 41.518738][ T3616] syscall_exit_to_user_mode+0x9/0x50 [ 41.518750][ T3616] do_syscall_64+0x42/0xb0 [ 41.518765][ T3616] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 41.518780][ T3616] RIP: 0033:0x7feb3f8a1e73 [ 41.518790][ T3616] Code: c7 c2 c0 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb ba 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 [ 41.518804][ T3616] RSP: 002b:00007ffcc1b466e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 41.518825][ T3616] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007feb3f8a1e73 [ 41.518836][ T3616] RDX: 0000000000000010 RSI: 0000000020000300 RDI: 0000000000000004 [ 41.518844][ T3616] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 41.518851][ T3616] R10: 00007ffcc1b46160 R11: 0000000000000246 R12: 000000000000a1f1 [ 41.518859][ T3616] R13: 00007ffcc1b46750 R14: 00007ffcc1b46740 R15: 00007ffcc1b4670c [ 41.518872][ T3616] [ 41.901110][ T3601] ------------[ cut here ]------------ [ 41.901119][ T3601] WARNING: CPU: 1 PID: 3601 at kernel/bpf/helpers.c:791 bpf_bprintf_prepare+0xf31/0x11a0 [ 41.901166][ T3601] Modules linked in: [ 41.901178][ T3601] CPU: 1 PID: 3601 Comm: strace-static-x Not tainted 5.18.0-syzkaller-10196-gda6e113ff010 #0 [ 41.901206][ T3601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.901219][ T3601] RIP: 0010:bpf_bprintf_prepare+0xf31/0x11a0 [ 41.901251][ T3601] Code: ff e8 83 f9 ea ff 48 83 7c 24 08 00 41 bd 04 00 00 00 0f 85 8a fa ff ff e8 6c f9 ea ff 8d 6b 03 e9 f7 f6 ff ff e8 5f f9 ea ff <0f> 0b 65 ff 0d ce b5 73 7e bf 01 00 00 00 41 bc f0 ff ff ff e8 06 [ 41.901275][ T3601] RSP: 0018:ffffc90002ffeb20 EFLAGS: 00010093 [ 41.901295][ T3601] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 41.901310][ T3601] RDX: ffff88807f860000 RSI: ffffffff818f8af1 RDI: 0000000000000005 [ 41.901325][ T3601] RBP: ffffc90002ffec50 R08: 0000000000000005 R09: 0000000000000003 [ 41.901338][ T3601] R10: 0000000000000004 R11: 0000000000000001 R12: 0000000000000003 [ 41.901351][ T3601] R13: 0000000000000004 R14: ffffc90002ffed08 R15: 0000000000000003 [ 41.901365][ T3601] FS: 0000000001cc1340(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 41.901386][ T3601] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.901402][ T3601] CR2: 00007feb3f957150 CR3: 000000007643f000 CR4: 00000000003506e0 [ 41.901426][ T3601] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.901439][ T3601] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.901453][ T3601] Call Trace: [ 41.901459][ T3601] [ 41.901468][ T3601] ? lock_downgrade+0x6e0/0x6e0 [ 41.901495][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.901521][ T3601] ? bpf_bprintf_cleanup+0x60/0x60 [ 41.901544][ T3601] ? lock_release+0x560/0x780 [ 41.901570][ T3601] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 41.901596][ T3601] ? is_bpf_text_address+0x77/0x170 [ 41.901618][ T3601] ? lock_downgrade+0x6e0/0x6e0 [ 41.901644][ T3601] bpf_trace_printk+0xab/0x170 [ 41.901665][ T3601] ? trace_bpf_trace_printk+0x220/0x220 [ 41.901685][ T3601] ? lock_release+0x780/0x780 [ 41.901710][ T3601] ? kernel_text_address+0x39/0x80 [ 41.901734][ T3601] ? __kernel_text_address+0x9/0x30 [ 41.901757][ T3601] ? unwind_get_return_address+0x51/0x90 [ 41.901780][ T3601] ? create_prof_cpu_mask+0x20/0x20 [ 41.901806][ T3601] bpf_prog_0605f9f479290f07+0x2f/0x33 [ 41.901824][ T3601] bpf_trace_run2+0x110/0x340 [ 41.901844][ T3601] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 41.901866][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.901892][ T3601] __bpf_trace_contention_begin+0xb5/0xf0 [ 41.901916][ T3601] ? __bpf_trace_lock+0xe0/0xe0 [ 41.901940][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.901964][ T3601] ? lock_release+0x560/0x780 [ 41.901990][ T3601] ? is_bpf_text_address+0x77/0x170 [ 41.902011][ T3601] ? lock_downgrade+0x6e0/0x6e0 [ 41.902036][ T3601] trace_contention_begin.constprop.0+0xda/0x1b0 [ 41.902059][ T3601] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 41.902083][ T3601] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 41.902106][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.902130][ T3601] ? lock_acquire+0x480/0x570 [ 41.902159][ T3601] do_raw_spin_lock+0x200/0x2a0 [ 41.902180][ T3601] ? rwlock_bug.part.0+0x90/0x90 [ 41.902203][ T3601] _raw_spin_lock_irqsave+0x41/0x50 [ 41.902224][ T3601] ? bpf_trace_printk+0xcf/0x170 [ 41.902244][ T3601] bpf_trace_printk+0xcf/0x170 [ 41.902263][ T3601] ? trace_bpf_trace_printk+0x220/0x220 [ 41.902285][ T3601] ? kmem_cache_free+0xdd/0x5a0 [ 41.902310][ T3601] ? kasan_set_track+0x21/0x30 [ 41.902333][ T3601] ? kasan_set_free_info+0x20/0x30 [ 41.902353][ T3601] ? ____kasan_slab_free+0x166/0x1a0 [ 41.902377][ T3601] ? slab_free_freelist_hook+0x8b/0x1c0 [ 41.902400][ T3601] ? kmem_cache_free+0xdd/0x5a0 [ 41.902427][ T3601] ? kfree_skbmem+0xef/0x1b0 [ 41.902451][ T3601] ? tcp_rcv_established+0x1461/0x20e0 [ 41.902472][ T3601] ? tcp_v4_do_rcv+0x66c/0x9b0 [ 41.902497][ T3601] bpf_prog_0605f9f479290f07+0x2f/0x33 [ 41.902515][ T3601] bpf_trace_run2+0x110/0x340 [ 41.902534][ T3601] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 41.902555][ T3601] ? __irq_exit_rcu+0x123/0x180 [ 41.902575][ T3601] ? asm_common_interrupt+0x27/0x40 [ 41.902597][ T3601] ? lock_acquire+0x480/0x570 [ 41.902622][ T3601] __bpf_trace_contention_begin+0xb5/0xf0 [ 41.902646][ T3601] ? __bpf_trace_lock+0xe0/0xe0 [ 41.902667][ T3601] ? debug_check_no_obj_freed+0x20c/0x420 [ 41.902696][ T3601] ? trace_hardirqs_on+0x2d/0x120 [ 41.902721][ T3601] trace_contention_begin.constprop.0+0xda/0x1b0 [ 41.902744][ T3601] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 41.902769][ T3601] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 41.902791][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.902815][ T3601] ? lock_acquire+0x480/0x570 [ 41.902840][ T3601] do_raw_spin_lock+0x200/0x2a0 [ 41.902861][ T3601] ? rwlock_bug.part.0+0x90/0x90 [ 41.902884][ T3601] _raw_spin_lock_irqsave+0x41/0x50 [ 41.902904][ T3601] ? bpf_trace_printk+0xcf/0x170 [ 41.902925][ T3601] bpf_trace_printk+0xcf/0x170 [ 41.902945][ T3601] ? trace_bpf_trace_printk+0x220/0x220 [ 41.902972][ T3601] bpf_prog_0605f9f479290f07+0x2f/0x33 [ 41.902990][ T3601] bpf_trace_run2+0x110/0x340 [ 41.903010][ T3601] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 41.903032][ T3601] ? lock_downgrade+0x6e0/0x6e0 [ 41.903058][ T3601] __bpf_trace_contention_begin+0xb5/0xf0 [ 41.903081][ T3601] ? __bpf_trace_lock+0xe0/0xe0 [ 41.903104][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.903128][ T3601] ? lock_release+0x560/0x780 [ 41.903151][ T3601] ? kernel_text_address+0x39/0x80 [ 41.903174][ T3601] ? is_bpf_text_address+0x77/0x170 [ 41.903195][ T3601] ? lock_downgrade+0x6e0/0x6e0 [ 41.903220][ T3601] trace_contention_begin.constprop.0+0xda/0x1b0 [ 41.903242][ T3601] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 41.903266][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.903291][ T3601] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 41.903313][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.903337][ T3601] ? lock_acquire+0x480/0x570 [ 41.903362][ T3601] do_raw_spin_lock+0x200/0x2a0 [ 41.903382][ T3601] ? rwlock_bug.part.0+0x90/0x90 [ 41.903406][ T3601] _raw_spin_lock_irqsave+0x41/0x50 [ 41.903433][ T3601] ? bpf_trace_printk+0xcf/0x170 [ 41.903453][ T3601] bpf_trace_printk+0xcf/0x170 [ 41.903473][ T3601] ? trace_bpf_trace_printk+0x220/0x220 [ 41.903494][ T3601] ? lock_downgrade+0x6e0/0x6e0 [ 41.903517][ T3601] ? lock_downgrade+0x6e0/0x6e0 [ 41.903542][ T3601] ? lock_repin_lock+0x350/0x350 [ 41.903565][ T3601] ? probe_sched_wakeup+0x7b/0x90 [ 41.903590][ T3601] bpf_prog_0605f9f479290f07+0x2f/0x33 [ 41.903608][ T3601] bpf_trace_run2+0x110/0x340 [ 41.903628][ T3601] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 41.903650][ T3601] ? lock_downgrade+0x6e0/0x6e0 [ 41.903676][ T3601] __bpf_trace_contention_begin+0xb5/0xf0 [ 41.903699][ T3601] ? __bpf_trace_lock+0xe0/0xe0 [ 41.903720][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.903744][ T3601] ? lock_acquire+0x480/0x570 [ 41.903767][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.903792][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.903816][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.903842][ T3601] trace_contention_begin+0xc0/0x150 [ 41.903865][ T3601] __mutex_lock+0x13c/0x1350 [ 41.903888][ T3601] ? pipe_write+0x132/0x1bf0 [ 41.903912][ T3601] ? lock_acquire+0x480/0x570 [ 41.903936][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.903960][ T3601] ? lock_release+0x560/0x780 [ 41.903983][ T3601] ? pipe_write+0x132/0x1bf0 [ 41.904007][ T3601] ? mutex_lock_io_nested+0x1190/0x1190 [ 41.904031][ T3601] ? rwlock_bug.part.0+0x90/0x90 [ 41.904052][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.904076][ T3601] ? lock_acquire+0x480/0x570 [ 41.904099][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.904123][ T3601] ? lock_release+0x560/0x780 [ 41.904146][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.904170][ T3601] ? lock_acquire+0x480/0x570 [ 41.904195][ T3601] pipe_write+0x132/0x1bf0 [ 41.904218][ T3601] ? lock_downgrade+0x6e0/0x6e0 [ 41.904246][ T3601] ? do_proc_dopipe_max_size_conv+0x1c0/0x1c0 [ 41.904272][ T3601] ? aa_file_perm+0x595/0x1230 [ 41.904294][ T3601] ? ptrace_get_syscall_info_entry+0x4b0/0x4b0 [ 41.904321][ T3601] ? aa_path_link+0x2f0/0x2f0 [ 41.904343][ T3601] new_sync_write+0x38a/0x560 [ 41.904367][ T3601] ? new_sync_read+0x5f0/0x5f0 [ 41.904391][ T3601] ? ptrace_request+0xfb/0xef0 [ 41.904421][ T3601] ? bpf_lsm_file_permission+0x5/0x10 [ 41.904446][ T3601] ? security_file_permission+0xab/0xd0 [ 41.904475][ T3601] vfs_write+0x7c0/0xac0 [ 41.904500][ T3601] ksys_write+0x1e8/0x250 [ 41.904523][ T3601] ? __ia32_sys_read+0xb0/0xb0 [ 41.904550][ T3601] do_syscall_64+0x35/0xb0 [ 41.904573][ T3601] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 41.904596][ T3601] RIP: 0033:0x4e5c73 [ 41.904610][ T3601] Code: c7 c0 b8 ff ff ff 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 41.904629][ T3601] RSP: 002b:00007ffd67636b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.904649][ T3601] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00000000004e5c73 [ 41.904663][ T3601] RDX: 0000000000000006 RSI: 0000000001cc4000 RDI: 0000000000000002 [ 41.904676][ T3601] RBP: 0000000001cc4000 R08: 0000000000000000 R09: 0000000000000003 [ 41.904688][ T3601] R10: 00007ffd67636b37 R11: 0000000000000246 R12: 0000000000000006 [ 41.904702][ T3601] R13: 0000000000617480 R14: 0000000000000006 R15: 0000000000000001 [ 41.904722][ T3601] [ 41.904730][ T3601] Kernel panic - not syncing: panic_on_warn set ... [ 41.904738][ T3601] CPU: 1 PID: 3601 Comm: strace-static-x Not tainted 5.18.0-syzkaller-10196-gda6e113ff010 #0 [ 41.904759][ T3601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.904769][ T3601] Call Trace: [ 41.904774][ T3601] [ 41.904780][ T3601] dump_stack_lvl+0xcd/0x134 [ 41.904802][ T3601] panic+0x2d7/0x636 [ 41.904820][ T3601] ? panic_print_sys_info.part.0+0x10b/0x10b [ 41.904845][ T3601] ? __warn.cold+0x1d9/0x2cd [ 41.904864][ T3601] ? bpf_bprintf_prepare+0xf31/0x11a0 [ 41.904888][ T3601] __warn.cold+0x1ea/0x2cd [ 41.904906][ T3601] ? bpf_bprintf_prepare+0xf31/0x11a0 [ 41.904931][ T3601] report_bug+0x1bc/0x210 [ 41.904956][ T3601] handle_bug+0x3c/0x60 [ 41.904977][ T3601] exc_invalid_op+0x14/0x40 [ 41.904999][ T3601] asm_exc_invalid_op+0x1b/0x20 [ 41.905020][ T3601] RIP: 0010:bpf_bprintf_prepare+0xf31/0x11a0 [ 41.905045][ T3601] Code: ff e8 83 f9 ea ff 48 83 7c 24 08 00 41 bd 04 00 00 00 0f 85 8a fa ff ff e8 6c f9 ea ff 8d 6b 03 e9 f7 f6 ff ff e8 5f f9 ea ff <0f> 0b 65 ff 0d ce b5 73 7e bf 01 00 00 00 41 bc f0 ff ff ff e8 06 [ 41.905064][ T3601] RSP: 0018:ffffc90002ffeb20 EFLAGS: 00010093 [ 41.905080][ T3601] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 41.905092][ T3601] RDX: ffff88807f860000 RSI: ffffffff818f8af1 RDI: 0000000000000005 [ 41.905105][ T3601] RBP: ffffc90002ffec50 R08: 0000000000000005 R09: 0000000000000003 [ 41.905118][ T3601] R10: 0000000000000004 R11: 0000000000000001 R12: 0000000000000003 [ 41.905131][ T3601] R13: 0000000000000004 R14: ffffc90002ffed08 R15: 0000000000000003 [ 41.905148][ T3601] ? bpf_bprintf_prepare+0xf31/0x11a0 [ 41.905175][ T3601] ? lock_downgrade+0x6e0/0x6e0 [ 41.905199][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.905223][ T3601] ? bpf_bprintf_cleanup+0x60/0x60 [ 41.905246][ T3601] ? lock_release+0x560/0x780 [ 41.905268][ T3601] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 41.905291][ T3601] ? is_bpf_text_address+0x77/0x170 [ 41.905313][ T3601] ? lock_downgrade+0x6e0/0x6e0 [ 41.905339][ T3601] bpf_trace_printk+0xab/0x170 [ 41.905358][ T3601] ? trace_bpf_trace_printk+0x220/0x220 [ 41.905379][ T3601] ? lock_release+0x780/0x780 [ 41.905403][ T3601] ? kernel_text_address+0x39/0x80 [ 41.905431][ T3601] ? __kernel_text_address+0x9/0x30 [ 41.905454][ T3601] ? unwind_get_return_address+0x51/0x90 [ 41.905476][ T3601] ? create_prof_cpu_mask+0x20/0x20 [ 41.905500][ T3601] bpf_prog_0605f9f479290f07+0x2f/0x33 [ 41.905517][ T3601] bpf_trace_run2+0x110/0x340 [ 41.905537][ T3601] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 41.905559][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.905585][ T3601] __bpf_trace_contention_begin+0xb5/0xf0 [ 41.905609][ T3601] ? __bpf_trace_lock+0xe0/0xe0 [ 41.905632][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.905655][ T3601] ? lock_release+0x560/0x780 [ 41.905678][ T3601] ? is_bpf_text_address+0x77/0x170 [ 41.905700][ T3601] ? lock_downgrade+0x6e0/0x6e0 [ 41.905724][ T3601] trace_contention_begin.constprop.0+0xda/0x1b0 [ 41.905747][ T3601] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 41.905771][ T3601] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 41.905793][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.905817][ T3601] ? lock_acquire+0x480/0x570 [ 41.905842][ T3601] do_raw_spin_lock+0x200/0x2a0 [ 41.905862][ T3601] ? rwlock_bug.part.0+0x90/0x90 [ 41.905885][ T3601] _raw_spin_lock_irqsave+0x41/0x50 [ 41.905906][ T3601] ? bpf_trace_printk+0xcf/0x170 [ 41.905926][ T3601] bpf_trace_printk+0xcf/0x170 [ 41.905945][ T3601] ? trace_bpf_trace_printk+0x220/0x220 [ 41.905967][ T3601] ? kmem_cache_free+0xdd/0x5a0 [ 41.905990][ T3601] ? kasan_set_track+0x21/0x30 [ 41.906013][ T3601] ? kasan_set_free_info+0x20/0x30 [ 41.906032][ T3601] ? ____kasan_slab_free+0x166/0x1a0 [ 41.906056][ T3601] ? slab_free_freelist_hook+0x8b/0x1c0 [ 41.906079][ T3601] ? kmem_cache_free+0xdd/0x5a0 [ 41.906101][ T3601] ? kfree_skbmem+0xef/0x1b0 [ 41.906123][ T3601] ? tcp_rcv_established+0x1461/0x20e0 [ 41.906143][ T3601] ? tcp_v4_do_rcv+0x66c/0x9b0 [ 41.906167][ T3601] bpf_prog_0605f9f479290f07+0x2f/0x33 [ 41.906185][ T3601] bpf_trace_run2+0x110/0x340 [ 41.906204][ T3601] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 41.906225][ T3601] ? __irq_exit_rcu+0x123/0x180 [ 41.906244][ T3601] ? asm_common_interrupt+0x27/0x40 [ 41.906265][ T3601] ? lock_acquire+0x480/0x570 [ 41.906290][ T3601] __bpf_trace_contention_begin+0xb5/0xf0 [ 41.906314][ T3601] ? __bpf_trace_lock+0xe0/0xe0 [ 41.906335][ T3601] ? debug_check_no_obj_freed+0x20c/0x420 [ 41.906362][ T3601] ? trace_hardirqs_on+0x2d/0x120 [ 41.906386][ T3601] trace_contention_begin.constprop.0+0xda/0x1b0 [ 41.906409][ T3601] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 41.906437][ T3601] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 41.906459][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.906483][ T3601] ? lock_acquire+0x480/0x570 [ 41.906508][ T3601] do_raw_spin_lock+0x200/0x2a0 [ 41.906528][ T3601] ? rwlock_bug.part.0+0x90/0x90 [ 41.906551][ T3601] _raw_spin_lock_irqsave+0x41/0x50 [ 41.906571][ T3601] ? bpf_trace_printk+0xcf/0x170 [ 41.906591][ T3601] bpf_trace_printk+0xcf/0x170 [ 41.906611][ T3601] ? trace_bpf_trace_printk+0x220/0x220 [ 41.906638][ T3601] bpf_prog_0605f9f479290f07+0x2f/0x33 [ 41.906655][ T3601] bpf_trace_run2+0x110/0x340 [ 41.906675][ T3601] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 41.906697][ T3601] ? lock_downgrade+0x6e0/0x6e0 [ 41.906723][ T3601] __bpf_trace_contention_begin+0xb5/0xf0 [ 41.906746][ T3601] ? __bpf_trace_lock+0xe0/0xe0 [ 41.906769][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.906793][ T3601] ? lock_release+0x560/0x780 [ 41.906815][ T3601] ? kernel_text_address+0x39/0x80 [ 41.906837][ T3601] ? is_bpf_text_address+0x77/0x170 [ 41.906859][ T3601] ? lock_downgrade+0x6e0/0x6e0 [ 41.906883][ T3601] trace_contention_begin.constprop.0+0xda/0x1b0 [ 41.906906][ T3601] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 41.906929][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.906954][ T3601] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 41.906976][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.907000][ T3601] ? lock_acquire+0x480/0x570 [ 41.907025][ T3601] do_raw_spin_lock+0x200/0x2a0 [ 41.907045][ T3601] ? rwlock_bug.part.0+0x90/0x90 [ 41.907068][ T3601] _raw_spin_lock_irqsave+0x41/0x50 [ 41.907088][ T3601] ? bpf_trace_printk+0xcf/0x170 [ 41.907108][ T3601] bpf_trace_printk+0xcf/0x170 [ 41.907127][ T3601] ? trace_bpf_trace_printk+0x220/0x220 [ 41.907148][ T3601] ? lock_downgrade+0x6e0/0x6e0 [ 41.907171][ T3601] ? lock_downgrade+0x6e0/0x6e0 [ 41.907195][ T3601] ? lock_repin_lock+0x350/0x350 [ 41.907218][ T3601] ? probe_sched_wakeup+0x7b/0x90 [ 41.907243][ T3601] bpf_prog_0605f9f479290f07+0x2f/0x33 [ 41.907260][ T3601] bpf_trace_run2+0x110/0x340 [ 41.907280][ T3601] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 41.907302][ T3601] ? lock_downgrade+0x6e0/0x6e0 [ 41.907327][ T3601] __bpf_trace_contention_begin+0xb5/0xf0 [ 41.907351][ T3601] ? __bpf_trace_lock+0xe0/0xe0 [ 41.907372][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.907395][ T3601] ? lock_acquire+0x480/0x570 [ 41.907422][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.907446][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.907470][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.907496][ T3601] trace_contention_begin+0xc0/0x150 [ 41.907519][ T3601] __mutex_lock+0x13c/0x1350 [ 41.907541][ T3601] ? pipe_write+0x132/0x1bf0 [ 41.907564][ T3601] ? lock_acquire+0x480/0x570 [ 41.907587][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.907611][ T3601] ? lock_release+0x560/0x780 [ 41.907633][ T3601] ? pipe_write+0x132/0x1bf0 [ 41.907657][ T3601] ? mutex_lock_io_nested+0x1190/0x1190 [ 41.907682][ T3601] ? rwlock_bug.part.0+0x90/0x90 [ 41.907702][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.907726][ T3601] ? lock_acquire+0x480/0x570 [ 41.907749][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.907773][ T3601] ? lock_release+0x560/0x780 [ 41.907795][ T3601] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.907819][ T3601] ? lock_acquire+0x480/0x570 [ 41.907844][ T3601] pipe_write+0x132/0x1bf0 [ 41.907866][ T3601] ? lock_downgrade+0x6e0/0x6e0 [ 41.907895][ T3601] ? do_proc_dopipe_max_size_conv+0x1c0/0x1c0 [ 41.907921][ T3601] ? aa_file_perm+0x595/0x1230 [ 41.907942][ T3601] ? ptrace_get_syscall_info_entry+0x4b0/0x4b0 [ 41.907968][ T3601] ? aa_path_link+0x2f0/0x2f0 [ 41.907990][ T3601] new_sync_write+0x38a/0x560 [ 41.908013][ T3601] ? new_sync_read+0x5f0/0x5f0 [ 41.908036][ T3601] ? ptrace_request+0xfb/0xef0 [ 41.908063][ T3601] ? bpf_lsm_file_permission+0x5/0x10 [ 41.908086][ T3601] ? security_file_permission+0xab/0xd0 [ 41.908113][ T3601] vfs_write+0x7c0/0xac0 [ 41.908138][ T3601] ksys_write+0x1e8/0x250 [ 41.908160][ T3601] ? __ia32_sys_read+0xb0/0xb0 [ 41.908187][ T3601] do_syscall_64+0x35/0xb0 [ 41.908209][ T3601] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 41.908231][ T3601] RIP: 0033:0x4e5c73 [ 41.908245][ T3601] Code: c7 c0 b8 ff ff ff 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 41.908263][ T3601] RSP: 002b:00007ffd67636b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.908282][ T3601] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00000000004e5c73 [ 41.908296][ T3601] RDX: 0000000000000006 RSI: 0000000001cc4000 RDI: 0000000000000002 [ 41.908308][ T3601] RBP: 0000000001cc4000 R08: 0000000000000000 R09: 0000000000000003 [ 41.908321][ T3601] R10: 00007ffd67636b37 R11: 0000000000000246 R12: 0000000000000006 [ 41.908334][ T3601] R13: 0000000000617480 R14: 0000000000000006 R15: 0000000000000001 [ 41.908353][ T3601] [ 41.908509][ T3601] Kernel Offset: disabled