./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2651473484 <...> Warning: Permanently added '10.128.0.203' (ECDSA) to the list of known hosts. execve("./syz-executor2651473484", ["./syz-executor2651473484"], 0x7ffc0ac2fb30 /* 10 vars */) = 0 brk(NULL) = 0x555556ccb000 brk(0x555556ccbc40) = 0x555556ccbc40 arch_prctl(ARCH_SET_FS, 0x555556ccb300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x555556ccb5d0) = 371 set_robust_list(0x555556ccb5e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7fe5d007e490, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fe5d007eb60}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7fe5d007e530, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe5d007eb60}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2651473484", 4096) = 28 brk(0x555556cecc40) = 0x555556cecc40 brk(0x555556ced000) = 0x555556ced000 mprotect(0x7fe5d013f000, 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 getpid() = 371 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) fstat(1, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 write(3, "371", 3) = 3 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ccb5d0) = 372 ./strace-static-x86_64: Process 372 attached [pid 371] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 372] set_robust_list(0x555556ccb5e0, 24./strace-static-x86_64: Process 373 attached ) = 0 [pid 371] <... clone resumed>, child_tidptr=0x555556ccb5d0) = 373 [pid 373] set_robust_list(0x555556ccb5e0, 24 [pid 371] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 372] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 371] <... clone resumed>, child_tidptr=0x555556ccb5d0) = 374 [pid 371] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 374 attached , child_tidptr=0x555556ccb5d0) = 375 [pid 371] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 375 attached [pid 374] set_robust_list(0x555556ccb5e0, 24 [pid 371] <... clone resumed>, child_tidptr=0x555556ccb5d0) = 376 [pid 371] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 373] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 377 attached ./strace-static-x86_64: Process 376 attached [pid 375] set_robust_list(0x555556ccb5e0, 24 [pid 374] <... set_robust_list resumed>) = 0 [pid 371] <... clone resumed>, child_tidptr=0x555556ccb5d0) = 377 [pid 376] set_robust_list(0x555556ccb5e0, 24 [pid 375] <... set_robust_list resumed>) = 0 [pid 373] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 374] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 372] <... clone resumed>, child_tidptr=0x555556ccb5d0) = 378 ./strace-static-x86_64: Process 378 attached [pid 377] set_robust_list(0x555556ccb5e0, 24 [pid 376] <... set_robust_list resumed>) = 0 [pid 375] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 373] <... clone resumed>, child_tidptr=0x555556ccb5d0) = 379 ./strace-static-x86_64: Process 380 attached [pid 380] set_robust_list(0x555556ccb5e0, 24) = 0 [pid 380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 376] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 375] <... clone resumed>, child_tidptr=0x555556ccb5d0) = 380 [pid 374] <... clone resumed>, child_tidptr=0x555556ccb5d0) = 381 [pid 380] <... prctl resumed>) = 0 [pid 380] setpgid(0, 0) = 0 [pid 380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 377] <... set_robust_list resumed>) = 0 [pid 376] <... clone resumed>, child_tidptr=0x555556ccb5d0) = 382 ./strace-static-x86_64: Process 382 attached ./strace-static-x86_64: Process 379 attached [pid 380] <... openat resumed>) = 3 [pid 378] set_robust_list(0x555556ccb5e0, 24 [pid 377] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 380] write(3, "1000", 4) = 4 [pid 380] close(3) = 0 [pid 380] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe5d004e000 [pid 380] mprotect(0x7fe5d004f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 380] clone(child_stack=0x7fe5d006e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[383], tls=0x7fe5d006e700, child_tidptr=0x7fe5d006e9d0) = 383 [pid 380] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 381 attached [pid 381] set_robust_list(0x555556ccb5e0, 24) = 0 [pid 381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 377] <... clone resumed>, child_tidptr=0x555556ccb5d0) = 384 [pid 381] <... prctl resumed>) = 0 [pid 381] setpgid(0, 0) = 0 [pid 382] set_robust_list(0x555556ccb5e0, 24 [pid 379] set_robust_list(0x555556ccb5e0, 24 [pid 378] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 384 attached [pid 384] set_robust_list(0x555556ccb5e0, 24 [pid 382] <... set_robust_list resumed>) = 0 [pid 379] <... set_robust_list resumed>) = 0 [pid 378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 378] <... prctl resumed>) = 0 [pid 381] write(3, "1000", 4) = 4 [pid 381] close(3) = 0 [pid 381] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe5d004e000 [pid 381] mprotect(0x7fe5d004f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 381] clone(child_stack=0x7fe5d006e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 378] setpgid(0, 0) = 0 [pid 382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 381] <... clone resumed>, parent_tid=[385], tls=0x7fe5d006e700, child_tidptr=0x7fe5d006e9d0) = 385 [pid 378] <... openat resumed>) = 3 [pid 381] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 381] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] write(3, "1000", 4./strace-static-x86_64: Process 383 attached [pid 383] set_robust_list(0x7fe5d006e9e0, 24 [pid 382] <... prctl resumed>) = 0 [pid 378] <... write resumed>) = 4 [pid 383] <... set_robust_list resumed>) = 0 [pid 384] <... set_robust_list resumed>) = 0 [pid 383] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 382] setpgid(0, 0 [pid 379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 378] close(3) = 0 [pid 382] <... setpgid resumed>) = 0 [pid 378] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 378] <... futex resumed>) = 0 [pid 378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 382] <... openat resumed>) = 3 [pid 378] <... mmap resumed>) = 0x7fe5d004e000 [pid 378] mprotect(0x7fe5d004f000, 131072, PROT_READ|PROT_WRITE [pid 382] write(3, "1000", 4 [pid 378] <... mprotect resumed>) = 0 [pid 382] <... write resumed>) = 4 [pid 378] clone(child_stack=0x7fe5d006e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 382] close(3 [pid 383] <... openat resumed>) = 3 [pid 383] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = 0 [pid 380] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 382] <... close resumed>) = 0 [pid 378] <... clone resumed>, parent_tid=[386], tls=0x7fe5d006e700, child_tidptr=0x7fe5d006e9d0) = 386 [pid 380] <... futex resumed>) = 0 [pid 382] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 386 attached [pid 382] <... futex resumed>) = 0 [pid 384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 380] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 379] <... prctl resumed>) = 0 [pid 378] <... futex resumed>) = 0 [pid 378] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] <... prctl resumed>) = 0 [pid 382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 379] setpgid(0, 0 [pid 382] <... mmap resumed>) = 0x7fe5d004e000 [pid 383] <... futex resumed>) = 1 [pid 383] pipe([4, 5]) = 0 [pid 382] mprotect(0x7fe5d004f000, 131072, PROT_READ|PROT_WRITE [pid 383] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = 0 [pid 380] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 383] <... futex resumed>) = 1 [pid 383] openat(AT_FDCWD, "memory.events", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 [pid 384] setpgid(0, 0 [pid 383] <... openat resumed>) = 6 [pid 386] set_robust_list(0x7fe5d006e9e0, 24 [pid 382] <... mprotect resumed>) = 0 [pid 379] <... setpgid resumed>) = 0 [pid 384] <... setpgid resumed>) = 0 [pid 382] clone(child_stack=0x7fe5d006e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[387], tls=0x7fe5d006e700, child_tidptr=0x7fe5d006e9d0) = 387 [pid 382] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 382] <... futex resumed>) = 0 [pid 382] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 379] <... openat resumed>) = 3 [pid 383] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] write(3, "1000", 4 [pid 380] <... futex resumed>) = 0 [pid 380] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] <... write resumed>) = 4 [pid 380] <... futex resumed>) = 0 [pid 386] <... set_robust_list resumed>) = 0 [pid 384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 379] close(3 [pid 380] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 379] <... close resumed>) = 0 [pid 379] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe5d004e000 [pid 383] <... futex resumed>) = 1 [pid 379] mprotect(0x7fe5d004f000, 131072, PROT_READ|PROT_WRITE [pid 383] splice(4, NULL, 6, NULL, 142606540, 0 [pid 379] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 385 attached [pid 385] set_robust_list(0x7fe5d006e9e0, 24) = 0 [pid 385] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists) [pid 379] clone(child_stack=0x7fe5d006e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 385] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 381] <... futex resumed>) = 0 [pid 381] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] <... openat resumed>) = 3 [pid 381] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 379] <... clone resumed>, parent_tid=[388], tls=0x7fe5d006e700, child_tidptr=0x7fe5d006e9d0) = 388 [pid 379] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] write(3, "1000", 4) = 4 [pid 379] <... futex resumed>) = 0 [pid 384] close(3 [pid 379] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 385] <... futex resumed>) = 1 [pid 384] <... close resumed>) = 0 [pid 385] pipe( [pid 384] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 385] <... pipe resumed>[3, 4]) = 0 [pid 384] <... futex resumed>) = 0 [pid 386] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe5d004e000 ./strace-static-x86_64: Process 388 attached [pid 386] <... openat resumed>) = -1 EEXIST (File exists) [pid 385] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] mprotect(0x7fe5d004f000, 131072, PROT_READ|PROT_WRITE [pid 386] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] set_robust_list(0x7fe5d006e9e0, 24 [pid 385] <... futex resumed>) = 1 [pid 384] <... mprotect resumed>) = 0 [pid 381] <... futex resumed>) = 0 [pid 385] openat(AT_FDCWD, "memory.events", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 [pid 381] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 387 attached [pid 388] <... set_robust_list resumed>) = 0 [pid 386] <... futex resumed>) = 1 [pid 385] <... openat resumed>) = 5 [pid 384] clone(child_stack=0x7fe5d006e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 381] <... futex resumed>) = 0 [pid 378] <... futex resumed>) = 0 [pid 387] set_robust_list(0x7fe5d006e9e0, 24 [pid 385] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 381] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... set_robust_list resumed>) = 0 [pid 385] <... futex resumed>) = 0 [pid 381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 378] <... futex resumed>) = 0 [pid 388] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 387] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 386] pipe( [pid 385] splice(3, NULL, 5, NULL, 142606540, 0 [pid 384] <... clone resumed>, parent_tid=[389], tls=0x7fe5d006e700, child_tidptr=0x7fe5d006e9d0) = 389 [pid 381] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 387] <... openat resumed>) = -1 EEXIST (File exists) [pid 381] <... futex resumed>) = 0 [pid 387] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... pipe resumed>[3, 4]) = 0 [pid 384] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 381] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... openat resumed>) = -1 EEXIST (File exists) [pid 387] <... futex resumed>) = 1 [pid 386] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] <... futex resumed>) = 0 [pid 382] <... futex resumed>) = 0 [pid 388] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] pipe( [pid 386] <... futex resumed>) = 1 [pid 384] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 382] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] <... futex resumed>) = 0 [pid 387] <... pipe resumed>[3, 4]) = 0 [pid 386] futex(0x7fe5d01453e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 382] <... futex resumed>) = 0 [pid 378] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 382] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] <... futex resumed>) = 0 [pid 386] openat(AT_FDCWD, "memory.events", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 [pid 382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 378] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 382] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] <... openat resumed>) = 5 [pid 382] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 387] <... futex resumed>) = 0 [pid 386] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 378] <... futex resumed>) = 0 [pid 378] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] splice(3, NULL, 5, NULL, 142606540, 0 [pid 378] <... futex resumed>) = 0 [pid 387] openat(AT_FDCWD, "memory.events", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 [pid 388] <... futex resumed>) = 1 [pid 379] <... futex resumed>) = 0 [pid 378] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 387] <... openat resumed>) = 5 [pid 379] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] <... futex resumed>) = 0 [pid 388] pipe( [pid 387] <... futex resumed>) = 1 [pid 382] <... futex resumed>) = 0 [pid 379] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 389 attached [pid 387] futex(0x7fe5d01453e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 382] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] set_robust_list(0x7fe5d006e9e0, 24 [pid 388] <... pipe resumed>[3, 4]) = 0 [pid 387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 382] <... futex resumed>) = 0 [pid 389] <... set_robust_list resumed>) = 0 [pid 387] splice(3, NULL, 5, NULL, 142606540, 0 [pid 382] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists) [pid 388] <... futex resumed>) = 1 [pid 379] <... futex resumed>) = 0 [pid 389] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] openat(AT_FDCWD, "memory.events", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 [pid 379] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] <... futex resumed>) = 1 [pid 379] <... futex resumed>) = 0 [pid 384] <... futex resumed>) = 0 [pid 379] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] pipe( [pid 384] <... futex resumed>) = 0 [pid 389] <... pipe resumed>[3, 4]) = 0 [pid 388] <... openat resumed>) = 5 [pid 384] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 389] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] <... futex resumed>) = 1 [pid 388] <... futex resumed>) = 1 [pid 384] <... futex resumed>) = 0 [pid 379] <... futex resumed>) = 0 [pid 389] openat(AT_FDCWD, "memory.events", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 [pid 388] futex(0x7fe5d01453e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 384] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] <... openat resumed>) = 5 [pid 388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 384] <... futex resumed>) = 0 [pid 379] <... futex resumed>) = 0 [pid 388] splice(3, NULL, 5, NULL, 142606540, 0 [pid 384] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 379] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 389] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 384] <... futex resumed>) = 0 [pid 389] splice(3, NULL, 5, NULL, 142606540, 0 [pid 384] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 19.167732][ T24] audit: type=1400 audit(1660971250.629:73): avc: denied { execmem } for pid=371 comm="syz-executor265" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 384] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 380] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 380] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe5d002d000 [pid 380] mprotect(0x7fe5d002e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 380] clone(child_stack=0x7fe5d004d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[390], tls=0x7fe5d004d700, child_tidptr=0x7fe5d004d9d0) = 390 [pid 380] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 390 attached [pid 390] set_robust_list(0x7fe5d004d9e0, 24) = 0 [pid 390] fcntl(5, F_SETPIPE_SZ, 34603007) = 67108864 [pid 380] <... futex resumed>) = 0 [pid 390] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 390] futex(0x7fe5d01453f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 380] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 380] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] <... futex resumed>) = 0 [pid 380] <... futex resumed>) = 1 [pid 390] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 380] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 381] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 381] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe5d002d000 [pid 381] mprotect(0x7fe5d002e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 381] clone(child_stack=0x7fe5d004d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[391], tls=0x7fe5d004d700, child_tidptr=0x7fe5d004d9d0) = 391 [pid 381] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 381] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 378] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 378] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe5d002d000 [pid 378] mprotect(0x7fe5d002e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 378] clone(child_stack=0x7fe5d004d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[392], tls=0x7fe5d004d700, child_tidptr=0x7fe5d004d9d0) = 392 ./strace-static-x86_64: Process 392 attached [pid 378] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 378] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 382] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 382] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe5d002d000 [pid 382] mprotect(0x7fe5d002e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 382] clone(child_stack=0x7fe5d004d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[393], tls=0x7fe5d004d700, child_tidptr=0x7fe5d004d9d0) = 393 [pid 382] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] set_robust_list(0x7fe5d004d9e0, 24 [pid 379] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 379] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe5d002d000 [pid 384] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 379] mprotect(0x7fe5d002e000, 131072, PROT_READ|PROT_WRITE [pid 384] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 379] <... mprotect resumed>) = 0 [pid 384] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 379] clone(child_stack=0x7fe5d004d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 384] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 379] <... clone resumed>, parent_tid=[394], tls=0x7fe5d004d700, child_tidptr=0x7fe5d004d9d0) = 394 [pid 384] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 379] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 379] <... futex resumed>) = 0 [pid 379] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 384] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe5d002d000 [pid 384] mprotect(0x7fe5d002e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 384] clone(child_stack=0x7fe5d004d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[395], tls=0x7fe5d004d700, child_tidptr=0x7fe5d004d9d0) = 395 [pid 384] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 395 attached [pid 392] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 393 attached ./strace-static-x86_64: Process 391 attached [pid 395] set_robust_list(0x7fe5d004d9e0, 24 [pid 392] fcntl(4, F_SETPIPE_SZ, 34603007./strace-static-x86_64: Process 394 attached [pid 394] set_robust_list(0x7fe5d004d9e0, 24) = 0 [pid 394] fcntl(4, F_SETPIPE_SZ, 34603007) = 67108864 [pid 394] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] <... futex resumed>) = 0 [pid 379] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 379] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 394] <... futex resumed>) = 1 [pid 394] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 395] <... set_robust_list resumed>) = 0 [pid 393] set_robust_list(0x7fe5d004d9e0, 24 [pid 392] <... fcntl resumed>) = 67108864 [pid 391] set_robust_list(0x7fe5d004d9e0, 24 [pid 392] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 395] fcntl(4, F_SETPIPE_SZ, 34603007 [pid 393] <... set_robust_list resumed>) = 0 [pid 391] <... set_robust_list resumed>) = 0 [pid 392] <... futex resumed>) = 1 [pid 378] <... futex resumed>) = 0 [pid 378] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 378] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 395] <... fcntl resumed>) = 67108864 [pid 393] fcntl(4, F_SETPIPE_SZ, 34603007 [pid 391] fcntl(4, F_SETPIPE_SZ, 34603007 [pid 395] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 384] <... futex resumed>) = 0 [pid 384] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 395] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 391] <... fcntl resumed>) = 67108864 [pid 393] <... fcntl resumed>) = 67108864 [pid 391] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 381] <... futex resumed>) = 0 [pid 393] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 381] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 381] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 391] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 393] <... futex resumed>) = 1 [pid 382] <... futex resumed>) = 0 [pid 382] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 393] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 394] <... write resumed>) = 16773120 [pid 394] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 380] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 379] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 379] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 379] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 379] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 378] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 378] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 378] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 378] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 378] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 384] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 382] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 381] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 382] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 388] <... splice resumed>) = 16773120 [pid 388] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] futex(0x7fe5d01453e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 390] <... write resumed>) = 16773120 [pid 390] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 394] <... write resumed>) = 16773120 [pid 394] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 395] <... write resumed>) = 16773120 [pid 395] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 392] <... write resumed>) = 16773120 [pid 392] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 383] <... splice resumed>) = 16773120 [pid 383] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] <... write resumed>) = 16773120 [pid 391] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 393] <... write resumed>) = 16773120 [pid 383] <... futex resumed>) = 0 [pid 383] futex(0x7fe5d01453e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 393] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 389] <... splice resumed>) = 16773120 [pid 389] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 389] futex(0x7fe5d01453e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 386] <... splice resumed>) = 16773120 [pid 386] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 390] <... write resumed>) = 16773120 [pid 386] futex(0x7fe5d01453e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 390] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 394] <... write resumed>) = 16773120 [pid 387] <... splice resumed>) = 16773120 [pid 387] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7fe5d01453e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 395] <... write resumed>) = 16773120 [pid 395] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 379] write(1, "write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory\n", 89) = 89 [pid 379] exit_group(0 [pid 388] <... futex resumed>) = ? [pid 379] <... exit_group resumed>) = ? [pid 388] +++ exited with 0 +++ [pid 392] <... write resumed>) = 16773120 [pid 392] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 391] <... write resumed>) = 16773120 [pid 391] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 378] write(1, "write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory\n", 89) = 89 [pid 378] exit_group(0 [pid 386] <... futex resumed>) = ? [pid 378] <... exit_group resumed>) = ? [pid 386] +++ exited with 0 +++ [pid 384] write(1, "write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory\n", 89write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory ) = 89 [pid 384] exit_group(0 [pid 389] <... futex resumed>) = ? [pid 384] <... exit_group resumed>) = ? [pid 389] +++ exited with 0 +++ write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 382] write(1, "write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory\n", 89) = 89 [pid 382] exit_group(0) = ? [pid 387] <... futex resumed>) = ? [pid 387] +++ exited with 0 +++ [pid 380] write(1, "write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory\n", 89write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory ) = 89 [pid 380] exit_group(0 [pid 383] <... futex resumed>) = ? [pid 380] <... exit_group resumed>) = ? [pid 383] +++ exited with 0 +++ [pid 393] <... write resumed>) = ? [pid 392] <... write resumed>) = ? [pid 381] write(1, "write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory\n", 89write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory ) = 89 [pid 381] exit_group(0) = ? [pid 390] <... write resumed>) = ? [pid 394] +++ exited with 0 +++ [pid 379] +++ exited with 0 +++ [pid 373] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=379, si_uid=0, si_status=0, si_utime=0, si_stime=13} --- [pid 373] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ccb5d0) = 396 [pid 392] +++ exited with 0 +++ [pid 378] +++ exited with 0 +++ [pid 372] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=378, si_uid=0, si_status=0, si_utime=0, si_stime=11} --- [pid 372] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 372] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ccb5d0) = 397 [pid 395] <... write resumed>) = ? [ 19.581596][ T79] ------------[ cut here ]------------ [ 19.587081][ T79] WARNING: CPU: 1 PID: 79 at drivers/scsi/scsi_lib.c:1016 scsi_alloc_sgtables+0x766/0x950 [ 19.596988][ T79] Modules linked in: [ 19.600902][ T79] CPU: 1 PID: 79 Comm: kworker/1:1H Not tainted 5.10.136-syzkaller-01853-gee965fe12def #0 [ 19.610996][ T79] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 19.621355][ T79] Workqueue: kblockd blk_mq_requeue_work ./strace-static-x86_64: Process 397 attached ./strace-static-x86_64: Process 396 attached [pid 396] set_robust_list(0x555556ccb5e0, 24 [pid 397] set_robust_list(0x555556ccb5e0, 24) = 0 [pid 396] <... set_robust_list resumed>) = 0 [pid 397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 393] +++ exited with 0 +++ [pid 382] +++ exited with 0 +++ [pid 397] <... prctl resumed>) = 0 [pid 396] <... prctl resumed>) = 0 [pid 397] setpgid(0, 0 [pid 396] setpgid(0, 0 [pid 376] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=382, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- [pid 397] <... setpgid resumed>) = 0 [pid 396] <... setpgid resumed>) = 0 [pid 376] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 397] <... openat resumed>) = 3 [pid 396] <... openat resumed>) = 3 [pid 376] <... clone resumed>, child_tidptr=0x555556ccb5d0) = 398 [pid 397] write(3, "1000", 4 [pid 396] write(3, "1000", 4 [pid 397] <... write resumed>) = 4 [pid 396] <... write resumed>) = 4 [pid 397] close(3 [pid 396] close(3 [pid 397] <... close resumed>) = 0 [pid 396] <... close resumed>) = 0 [pid 397] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 397] <... futex resumed>) = 0 [pid 396] <... futex resumed>) = 0 [pid 397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 397] <... mmap resumed>) = 0x7fe5d004e000 [pid 397] mprotect(0x7fe5d004f000, 131072, PROT_READ|PROT_WRITE [pid 396] <... mmap resumed>) = 0x7fe5d004e000 [pid 397] <... mprotect resumed>) = 0 [pid 396] mprotect(0x7fe5d004f000, 131072, PROT_READ|PROT_WRITE [pid 397] clone(child_stack=0x7fe5d006e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 396] <... mprotect resumed>) = 0 [pid 396] clone(child_stack=0x7fe5d006e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 397] <... clone resumed>, parent_tid=[399], tls=0x7fe5d006e700, child_tidptr=0x7fe5d006e9d0) = 399 [pid 396] <... clone resumed>, parent_tid=[400], tls=0x7fe5d006e700, child_tidptr=0x7fe5d006e9d0) = 400 [pid 396] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 397] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = 0 [pid 397] <... futex resumed>) = 0 [pid 396] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 397] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 400 attached [pid 400] set_robust_list(0x7fe5d006e9e0, 24) = 0 [pid 400] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists) [pid 400] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 399 attached [pid 399] set_robust_list(0x7fe5d006e9e0, 24 [pid 396] <... futex resumed>) = 0 [pid 396] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 396] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 400] <... futex resumed>) = 1 [pid 400] pipe( [pid 399] <... set_robust_list resumed>) = 0 [pid 400] <... pipe resumed>[3, 4]) = 0 [pid 399] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 400] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 399] <... openat resumed>) = -1 EEXIST (File exists) [pid 400] <... futex resumed>) = 1 [pid 399] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = 0 [ 19.627112][ T79] RIP: 0010:scsi_alloc_sgtables+0x766/0x950 [ 19.632996][ T79] Code: 48 8b 0c 25 28 00 00 00 48 3b 8c 24 a0 00 00 00 0f 85 f0 01 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 1a 18 92 fe <0f> 0b b0 0a eb be e8 0f 18 92 fe b0 09 4c 8b 6c 24 40 eb b0 44 89 [ 19.652631][ T79] RSP: 0018:ffffc900002cf440 EFLAGS: 00010293 [ 19.659321][ T79] RAX: ffffffff82daae26 RBX: 0000000000000000 RCX: ffff8881065c8000 [ 19.667319][ T79] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [pid 400] futex(0x7fe5d01453e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 399] <... futex resumed>) = 1 [pid 397] <... futex resumed>) = 0 [pid 396] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 399] futex(0x7fe5d01453e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 397] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = 0 [pid 400] openat(AT_FDCWD, "memory.events", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 [pid 399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 397] <... futex resumed>) = 0 [pid 396] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] pipe( [pid 397] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] <... pipe resumed>[3, 4]) = 0 [pid 399] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 397] <... futex resumed>) = 0 [pid 399] futex(0x7fe5d01453e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 397] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 397] <... futex resumed>) = 0 [pid 399] openat(AT_FDCWD, "memory.events", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 [ 19.676011][ T79] RBP: ffffc900002cf538 R08: ffffffff82daa93d R09: ffffffff82e4c71b [ 19.684373][ T79] R10: 000000000000000c R11: ffff8881065c8000 R12: ffff88810a972770 [ 19.692506][ T79] R13: 1ffff92000059e94 R14: dffffc0000000000 R15: 0000000000000000 [ 19.701091][ T79] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 19.710387][ T79] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 19.716968][ T79] CR2: 0000000021000000 CR3: 000000011a3da000 CR4: 00000000003506a0 [pid 397] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 396] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe5d002d000 [pid 396] mprotect(0x7fe5d002e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 396] clone(child_stack=0x7fe5d004d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[401], tls=0x7fe5d004d700, child_tidptr=0x7fe5d004d9d0) = 401 [pid 396] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 396] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 398 attached [pid 398] set_robust_list(0x555556ccb5e0, 24) = 0 [pid 398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 398] setpgid(0, 0) = 0 [pid 398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 398] write(3, "1000", 4) = 4 [pid 398] close(3) = 0 [pid 397] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 397] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe5d002d000 [pid 397] mprotect(0x7fe5d002e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 397] clone(child_stack=0x7fe5d004d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[402], tls=0x7fe5d004d700, child_tidptr=0x7fe5d004d9d0) = 402 [pid 398] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 397] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] <... futex resumed>) = 0 [pid 397] <... futex resumed>) = 0 [pid 398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 397] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 398] <... mmap resumed>) = 0x7fe5d004e000 [pid 398] mprotect(0x7fe5d004f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 398] clone(child_stack=0x7fe5d006e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[403], tls=0x7fe5d006e700, child_tidptr=0x7fe5d006e9d0) = 403 [pid 398] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 402 attached [pid 402] set_robust_list(0x7fe5d004d9e0, 24) = 0 [pid 402] splice(3, NULL, -1, NULL, 142606540, 0) = -1 EBADF (Bad file descriptor) [pid 402] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 397] <... futex resumed>) = 0 [pid 397] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 402] fcntl(4, F_SETPIPE_SZ, 34603007./strace-static-x86_64: Process 403 attached ) = 67108864 [pid 403] set_robust_list(0x7fe5d006e9e0, 24 [pid 402] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 403] <... set_robust_list resumed>) = 0 [pid 402] <... futex resumed>) = 1 [pid 397] <... futex resumed>) = 0 ./strace-static-x86_64: Process 401 attached [pid 403] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 [pid 402] futex(0x7fe5d01453f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 397] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] +++ exited with 0 +++ [pid 380] +++ exited with 0 +++ [pid 403] <... openat resumed>) = -1 EEXIST (File exists) [pid 402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 401] set_robust_list(0x7fe5d004d9e0, 24 [pid 397] <... futex resumed>) = 0 [pid 403] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 401] <... set_robust_list resumed>) = 0 [pid 397] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 375] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=380, si_uid=0, si_status=0, si_utime=0, si_stime=13} --- [pid 403] <... futex resumed>) = 1 [pid 401] splice(3, NULL, -1, NULL, 142606540, 0 [pid 398] <... futex resumed>) = 0 [pid 375] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 403] futex(0x7fe5d01453e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 401] <... splice resumed>) = -1 EBADF (Bad file descriptor) [pid 398] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 401] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] <... futex resumed>) = 0 [pid 375] <... clone resumed>, child_tidptr=0x555556ccb5d0) = 404 [pid 403] pipe( [pid 401] <... futex resumed>) = 1 [pid 398] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... futex resumed>) = 0 [pid 403] <... pipe resumed>[3, 4]) = 0 [pid 401] fcntl(4, F_SETPIPE_SZ, 34603007 [pid 396] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 403] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 401] <... fcntl resumed>) = 67108864 [pid 396] <... futex resumed>) = 0 [pid 403] <... futex resumed>) = 1 [pid 401] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] <... futex resumed>) = 0 [pid 396] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 403] openat(AT_FDCWD, "memory.events", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 [pid 401] <... futex resumed>) = 0 [ 19.724981][ T79] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 19.732965][ T79] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 19.741219][ T79] Call Trace: [ 19.744744][ T79] ? scsi_io_completion_action+0x10a0/0x10a0 [ 19.750813][ T79] ? vp_notify+0x59/0x80 [ 19.755799][ T79] sd_init_command+0xab9/0x2170 [ 19.760719][ T79] ? scsi_init_command+0x44d/0x540 [ 19.766801][ T79] scsi_queue_rq+0x1744/0x2120 [ 19.771904][ T79] blk_mq_dispatch_rq_list+0x991/0x1800 [pid 398] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 401] futex(0x7fe5d01453f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 398] <... futex resumed>) = 0 [pid 396] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 398] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... futex resumed>) = 0 [pid 401] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 396] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 395] +++ exited with 0 +++ [pid 384] +++ exited with 0 +++ [pid 377] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=384, si_uid=0, si_status=0, si_utime=0, si_stime=14} --- [pid 377] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ccb5d0) = 405 ./strace-static-x86_64: Process 404 attached [pid 404] set_robust_list(0x555556ccb5e0, 24) = 0 [pid 404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 404] setpgid(0, 0) = 0 [pid 404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 404] write(3, "1000", 4) = 4 [pid 404] close(3) = 0 [pid 404] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe5d004e000 [pid 404] mprotect(0x7fe5d004f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 404] clone(child_stack=0x7fe5d006e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[406], tls=0x7fe5d006e700, child_tidptr=0x7fe5d006e9d0) = 406 [pid 404] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 404] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 406 attached [pid 406] set_robust_list(0x7fe5d006e9e0, 24) = 0 [pid 406] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists) [pid 406] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 404] <... futex resumed>) = 0 [pid 406] futex(0x7fe5d01453e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 404] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 19.777776][ T79] ? __dd_dispatch_request+0x820/0xa80 [ 19.783755][ T79] ? blk_mq_dequeue_from_ctx+0x920/0x920 [ 19.789553][ T79] blk_mq_do_dispatch_sched+0x63c/0xc60 [ 19.795095][ T79] ? blk_mq_exit_sched+0x410/0x410 [ 19.800290][ T79] ? _raw_spin_lock+0xa3/0x1b0 [ 19.805207][ T79] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 19.811061][ T79] __blk_mq_sched_dispatch_requests+0x3de/0x4d0 [ 19.817491][ T79] ? _raw_spin_lock+0xa3/0x1b0 [ 19.822523][ T79] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [pid 404] <... futex resumed>) = 0 [pid 397] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 406] pipe( [pid 404] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 398] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 406] <... pipe resumed>[3, 4]) = 0 [pid 398] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 406] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] <... futex resumed>) = 0 [pid 406] <... futex resumed>) = 1 [pid 404] <... futex resumed>) = 0 [pid 398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 406] futex(0x7fe5d01453e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 404] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] <... mmap resumed>) = 0x7fe5d002d000 [pid 406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 404] <... futex resumed>) = 0 [pid 398] mprotect(0x7fe5d002e000, 131072, PROT_READ|PROT_WRITE [pid 406] openat(AT_FDCWD, "memory.events", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 [pid 404] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 398] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 405 attached [pid 398] clone(child_stack=0x7fe5d004d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 405] set_robust_list(0x555556ccb5e0, 24) = 0 [pid 398] <... clone resumed>, parent_tid=[407], tls=0x7fe5d004d700, child_tidptr=0x7fe5d004d9d0) = 407 [pid 405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 398] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 405] <... prctl resumed>) = 0 [pid 398] <... futex resumed>) = 0 [pid 405] setpgid(0, 0 [pid 398] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 405] <... setpgid resumed>) = 0 [pid 405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 405] write(3, "1000", 4) = 4 [pid 405] close(3) = 0 [pid 405] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe5d004e000 [pid 405] mprotect(0x7fe5d004f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 405] clone(child_stack=0x7fe5d006e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 396] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 405] <... clone resumed>, parent_tid=[408], tls=0x7fe5d006e700, child_tidptr=0x7fe5d006e9d0) = 408 [pid 405] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 407 attached [pid 407] set_robust_list(0x7fe5d004d9e0, 24) = 0 [pid 407] splice(3, NULL, -1, NULL, 142606540, 0) = -1 EBADF (Bad file descriptor) [pid 407] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 398] <... futex resumed>) = 0 [pid 407] futex(0x7fe5d01453f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 398] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 398] <... futex resumed>) = 0 [pid 398] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 407] fcntl(4, F_SETPIPE_SZ, 34603007) = 67108864 [pid 407] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 398] <... futex resumed>) = 0 ./strace-static-x86_64: Process 408 attached [pid 407] futex(0x7fe5d01453f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 398] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] set_robust_list(0x7fe5d006e9e0, 24 [pid 407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 398] <... futex resumed>) = 0 [pid 398] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... set_robust_list resumed>) = 0 [pid 407] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 408] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists) [pid 408] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 405] <... futex resumed>) = 0 [pid 408] pipe( [pid 405] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... pipe resumed>[3, 4]) = 0 [pid 408] futex(0x7fe5d01453ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 405] <... futex resumed>) = 0 [pid 408] futex(0x7fe5d01453e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 405] futex(0x7fe5d01453e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 405] <... futex resumed>) = 0 [pid 408] openat(AT_FDCWD, "memory.events", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 [ 19.828122][ T79] ? blk_mq_sched_dispatch_requests+0x160/0x160 [ 19.834534][ T79] blk_mq_sched_dispatch_requests+0xf0/0x160 [ 19.841476][ T79] __blk_mq_run_hw_queue+0x14d/0x260 [ 19.847178][ T79] __blk_mq_delay_run_hw_queue+0x22a/0x570 [ 19.853276][ T79] blk_mq_run_hw_queue+0x29d/0x3b0 [ 19.858829][ T79] blk_mq_run_hw_queues+0x37c/0x450 [ 19.864351][ T79] blk_mq_requeue_work+0x73b/0x780 [ 19.869702][ T79] ? blk_mq_timeout_work+0x490/0x490 [ 19.874983][ T79] ? __kasan_check_read+0x11/0x20 [pid 405] futex(0x7fe5d01453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 404] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 404] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe5d002d000 [pid 404] mprotect(0x7fe5d002e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 404] clone(child_stack=0x7fe5d004d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[409], tls=0x7fe5d004d700, child_tidptr=0x7fe5d004d9d0) = 409 [pid 404] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 404] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 409 attached [pid 409] set_robust_list(0x7fe5d004d9e0, 24) = 0 [pid 398] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 409] splice(3, NULL, -1, NULL, 142606540, 0 [pid 401] <... write resumed>) = 16773120 [pid 409] <... splice resumed>) = -1 EBADF (Bad file descriptor) [pid 409] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 404] <... futex resumed>) = 0 [pid 409] futex(0x7fe5d01453f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 404] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 404] <... futex resumed>) = 0 [pid 409] fcntl(4, F_SETPIPE_SZ, 34603007 [pid 404] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 409] <... fcntl resumed>) = 67108864 [pid 409] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 405] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 404] <... futex resumed>) = 0 [pid 409] futex(0x7fe5d01453f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 405] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 405] <... futex resumed>) = 0 [pid 404] <... futex resumed>) = 0 [pid 409] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 19.880045][ T79] ? strscpy+0xa8/0x270 [ 19.884195][ T79] process_one_work+0x726/0xc10 [ 19.889069][ T79] worker_thread+0xb27/0x1550 [ 19.893934][ T79] ? __kthread_parkme+0xba/0x1d0 [ 19.898909][ T79] kthread+0x349/0x3d0 [ 19.902966][ T79] ? worker_clr_flags+0x180/0x180 [ 19.908295][ T79] ? kthread_blkcg+0xd0/0xd0 [ 19.913101][ T79] ret_from_fork+0x1f/0x30 [ 19.917800][ T79] ---[ end trace a4fb907579a5c2e4 ]--- [pid 404] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 405] <... mmap resumed>) = 0x7fe5d002d000 [pid 402] <... write resumed>) = 16773120 [pid 405] mprotect(0x7fe5d002e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 402] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 405] clone(child_stack=0x7fe5d004d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[410], tls=0x7fe5d004d700, child_tidptr=0x7fe5d004d9d0) = 410 [pid 405] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 401] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060./strace-static-x86_64: Process 410 attached [pid 410] set_robust_list(0x7fe5d004d9e0, 24) = 0 [pid 410] splice(3, NULL, -1, NULL, 142606540, 0) = -1 EBADF (Bad file descriptor) [pid 410] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 405] <... futex resumed>) = 0 [pid 405] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 410] fcntl(4, F_SETPIPE_SZ, 34603007) = 67108864 [pid 410] futex(0x7fe5d01453fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 405] <... futex resumed>) = 0 [pid 405] futex(0x7fe5d01453f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7fe5d01453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 410] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 404] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 19.923640][ T79] blk_update_request: I/O error, dev sda, sector 606200 op 0x1:(WRITE) flags 0xc800 phys_seg 0 prio class 0 [ 19.935388][ T79] ------------[ cut here ]------------ [ 19.941729][ T79] kernel BUG at block/blk-mq.c:569! [ 19.946956][ T79] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 19.953015][ T79] CPU: 1 PID: 79 Comm: kworker/1:1H Tainted: G W 5.10.136-syzkaller-01853-gee965fe12def #0 [ 19.964271][ T79] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 19.974333][ T79] Workqueue: kblockd blk_mq_requeue_work [pid 407] <... write resumed>) = 16773120 [pid 405] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 407] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 402] <... write resumed>) = 16773120 [ 19.979965][ T79] RIP: 0010:blk_mq_dispatch_rq_list+0x17f5/0x1800 [ 19.986362][ T79] Code: 68 ff e9 24 f5 ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 25 fe ff ff 4c 89 ef e8 95 99 68 ff e9 18 fe ff ff e8 0b 92 2e ff <0f> 0b e8 94 39 54 02 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 [ 20.005958][ T79] RSP: 0018:ffffc900002cf700 EFLAGS: 00010293 [ 20.012014][ T79] RAX: ffffffff823e3435 RBX: ffff88810a972640 RCX: ffff8881065c8000 [ 20.019973][ T79] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88810a97270a [pid 402] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 401] <... write resumed>) = 16773120 [pid 401] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [ 20.027933][ T79] RBP: ffffc900002cf870 R08: ffffffff823d050f R09: ffffffff823d04a5 [ 20.035896][ T79] R10: 0000000000000004 R11: ffff8881065c8000 R12: dffffc0000000000 [ 20.043860][ T79] R13: ffffc900002cf960 R14: ffff888109f6d800 R15: 1ffff92000059f2c [ 20.051832][ T79] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 20.060757][ T79] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.067330][ T79] CR2: 0000000021000000 CR3: 000000011a3da000 CR4: 00000000003506a0 [ 20.075293][ T79] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 20.083250][ T79] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 20.091212][ T79] Call Trace: [ 20.094527][ T79] ? __dd_dispatch_request+0x820/0xa80 [ 20.099977][ T79] ? blk_mq_dequeue_from_ctx+0x920/0x920 [ 20.105599][ T79] blk_mq_do_dispatch_sched+0x63c/0xc60 [ 20.111140][ T79] ? blk_mq_exit_sched+0x410/0x410 [ 20.116241][ T79] ? _raw_spin_lock+0xa3/0x1b0 [ 20.120996][ T79] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 20.126362][ T79] __blk_mq_sched_dispatch_requests+0x3de/0x4d0 [ 20.132600][ T79] ? _raw_spin_lock+0xa3/0x1b0 [ 20.137354][ T79] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 20.142713][ T79] ? blk_mq_sched_dispatch_requests+0x160/0x160 [ 20.148942][ T79] blk_mq_sched_dispatch_requests+0xf0/0x160 [ 20.154914][ T79] __blk_mq_run_hw_queue+0x14d/0x260 [ 20.160215][ T79] __blk_mq_delay_run_hw_queue+0x22a/0x570 [ 20.166021][ T79] blk_mq_run_hw_queue+0x29d/0x3b0 [ 20.171131][ T79] blk_mq_run_hw_queues+0x37c/0x450 [ 20.176667][ T79] blk_mq_requeue_work+0x73b/0x780 write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 409] <... write resumed>) = 16773120 [pid 409] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 397] write(1, "write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory\n", 89) = 89 [pid 407] <... write resumed>) = 16773120 [pid 397] exit_group(0 [pid 410] <... write resumed>) = 16773120 [pid 397] <... exit_group resumed>) = ? write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 410] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 396] write(1, "write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory\n", 89) = 89 [pid 396] exit_group(0) = ? [pid 407] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 402] <... write resumed>) = ? [pid 402] +++ exited with 0 +++ [pid 401] <... write resumed>) = ? [pid 401] +++ exited with 0 +++ [pid 398] write(1, "write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory\n", 89) = 89 [pid 398] exit_group(0) = ? [pid 409] <... write resumed>) = 16773120 write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 409] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 404] write(1, "write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory\n", 89) = 89 [pid 404] exit_group(0) = ? [pid 410] <... write resumed>) = 16773120 [pid 410] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967060 [pid 407] <... write resumed>) = ? [pid 407] +++ exited with 0 +++ [ 20.181817][ T79] ? blk_mq_timeout_work+0x490/0x490 [ 20.187095][ T79] ? __kasan_check_read+0x11/0x20 [ 20.192112][ T79] ? strscpy+0xa8/0x270 [ 20.196258][ T79] process_one_work+0x726/0xc10 [ 20.201104][ T79] worker_thread+0xb27/0x1550 [ 20.205780][ T79] ? __kthread_parkme+0xba/0x1d0 [ 20.210714][ T79] kthread+0x349/0x3d0 [ 20.214772][ T79] ? worker_clr_flags+0x180/0x180 [ 20.219789][ T79] ? kthread_blkcg+0xd0/0xd0 [ 20.224367][ T79] ret_from_fork+0x1f/0x30 [ 20.228765][ T79] Modules linked in: [pid 405] write(1, "write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory\n", 89write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory ) = 89 [pid 405] exit_group(0) = ? [pid 409] <... write resumed>) = ? [pid 409] +++ exited with 0 +++ [pid 410] <... write resumed>) = ? [pid 410] +++ exited with 0 +++ [ 20.234209][ T79] ---[ end trace a4fb907579a5c2e5 ]--- [ 20.240321][ T79] RIP: 0010:blk_mq_dispatch_rq_list+0x17f5/0x1800 [ 20.246890][ T79] Code: 68 ff e9 24 f5 ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 25 fe ff ff 4c 89 ef e8 95 99 68 ff e9 18 fe ff ff e8 0b 92 2e ff <0f> 0b e8 94 39 54 02 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 [ 20.266750][ T79] RSP: 0018:ffffc900002cf700 EFLAGS: 00010293 [ 20.272849][ T79] RAX: ffffffff823e3435 RBX: ffff88810a972640 RCX: ffff8881065c8000 [ 20.280840][ T79] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88810a97270a [ 20.288850][ T79] RBP: ffffc900002cf870 R08: ffffffff823d050f R09: ffffffff823d04a5 [ 20.296811][ T79] R10: 0000000000000004 R11: ffff8881065c8000 R12: dffffc0000000000 [ 20.304811][ T79] R13: ffffc900002cf960 R14: ffff888109f6d800 R15: 1ffff92000059f2c [ 20.312801][ T79] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 20.321744][ T79] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.328364][ T79] CR2: 0000000021000000 CR3: 000000011a3da000 CR4: 00000000003506a0 [ 20.336460][ T79] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 20.344446][ T79] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 20.352425][ T79] Kernel panic - not syncing: Fatal exception [ 20.358649][ T79] Kernel Offset: disabled [ 20.362955][ T79] Rebooting in 86400 seconds..