./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor487163918 <...> DUID 00:04:ac:03:58:10:d0:76:5c:28:30:a7:8a:8b:4a:a3:06:e2 forked to background, child pid 4656 [ 36.341171][ T4657] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.351615][ T4657] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.87' (ECDSA) to the list of known hosts. execve("./syz-executor487163918", ["./syz-executor487163918"], 0x7fff051ae430 /* 10 vars */) = 0 brk(NULL) = 0x555556391000 brk(0x555556391c40) = 0x555556391c40 arch_prctl(ARCH_SET_FS, 0x555556391300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor487163918", 4096) = 27 brk(0x5555563b2c40) = 0x5555563b2c40 brk(0x5555563b3000) = 0x5555563b3000 mprotect(0x7f67d3364000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5081 attached , child_tidptr=0x5555563915d0) = 5081 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5082 attached [pid 5080] <... clone resumed>, child_tidptr=0x5555563915d0) = 5082 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5083 attached [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5084 attached [pid 5081] <... clone resumed>, child_tidptr=0x5555563915d0) = 5083 [pid 5080] <... clone resumed>, child_tidptr=0x5555563915d0) = 5084 [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5083] setpgid(0, 0) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] <... clone resumed>, child_tidptr=0x5555563915d0) = 5085 [pid 5083] <... openat resumed>) = 3 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] write(3, "1000", 4) = 4 [pid 5083] close(3) = 0 [pid 5083] write(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5082] <... clone resumed>, child_tidptr=0x5555563915d0) = 5086 [pid 5083] sched_setscheduler(0, SCHED_FIFO, NULL) = -1 EINVAL (Invalid argument) [pid 5083] epoll_create(9) = 3 [pid 5083] creat("./bus", 011 [pid 5080] <... clone resumed>, child_tidptr=0x5555563915d0) = 5087 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563915d0) = 5088 [pid 5084] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] <... creat resumed>) = 4 ./strace-static-x86_64: Process 5089 attached ./strace-static-x86_64: Process 5088 attached ./strace-static-x86_64: Process 5087 attached ./strace-static-x86_64: Process 5086 attached ./strace-static-x86_64: Process 5085 attached [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5084] <... clone resumed>, child_tidptr=0x5555563915d0) = 5089 [pid 5083] ftruncate(4, 2048) = 0 [pid 5086] <... prctl resumed>) = 0 [pid 5089] <... prctl resumed>) = 0 [pid 5086] setpgid(0, 0) = 0 [pid 5083] lseek(4, 512, SEEK_END [pid 5087] <... clone resumed>, child_tidptr=0x5555563915d0) = 5092 [pid 5085] <... clone resumed>, child_tidptr=0x5555563915d0) = 5091 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] <... lseek resumed>) = 2560 ./strace-static-x86_64: Process 5090 attached ./strace-static-x86_64: Process 5092 attached ./strace-static-x86_64: Process 5091 attached [pid 5089] setpgid(0, 0 [pid 5088] <... clone resumed>, child_tidptr=0x5555563915d0) = 5090 [pid 5086] <... openat resumed>) = 3 [pid 5083] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5086] write(3, "1000", 4 [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5092] setpgid(0, 0) = 0 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5089] <... setpgid resumed>) = 0 [pid 5086] <... write resumed>) = 4 [pid 5083] <... open resumed>) = 5 [pid 5090] <... prctl resumed>) = 0 [pid 5086] close(3 [pid 5083] sendfile(4, 5, NULL, 122112 [pid 5090] setpgid(0, 0 [pid 5086] <... close resumed>) = 0 [pid 5090] <... setpgid resumed>) = 0 [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5086] write(-1, NULL, 0 [pid 5091] <... prctl resumed>) = 0 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5089] <... openat resumed>) = 3 [pid 5086] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] setpgid(0, 0 [pid 5090] <... openat resumed>) = 3 [pid 5089] write(3, "1000", 4 [pid 5086] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5091] <... setpgid resumed>) = 0 [pid 5090] write(3, "1000", 4 [pid 5089] <... write resumed>) = 4 [pid 5086] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5090] <... write resumed>) = 4 [pid 5089] close(3 [pid 5086] epoll_create(9 [pid 5091] <... openat resumed>) = 3 [pid 5090] close(3 [pid 5089] <... close resumed>) = 0 [pid 5086] <... epoll_create resumed>) = 3 [pid 5091] write(3, "1000", 4 [pid 5090] <... close resumed>) = 0 [pid 5089] write(-1, NULL, 0 [pid 5086] creat("./bus", 011 [pid 5091] <... write resumed>) = 4 [pid 5090] write(-1, NULL, 0 [pid 5089] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] close(3 [pid 5090] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5091] <... close resumed>) = 0 [pid 5090] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5089] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5091] write(-1, NULL, 0 [pid 5090] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5089] epoll_create(9 [pid 5091] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] epoll_create(9 [pid 5089] <... epoll_create resumed>) = 3 [pid 5086] <... creat resumed>) = 4 [pid 5091] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5090] <... epoll_create resumed>) = 3 [pid 5089] creat("./bus", 011 [pid 5086] ftruncate(4, 2048 [pid 5091] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5090] creat("./bus", 011 [pid 5091] epoll_create(9) = 3 [pid 5091] creat("./bus", 011 [pid 5092] <... openat resumed>) = 3 [pid 5092] write(3, "1000", 4) = 4 [pid 5092] close(3) = 0 [pid 5092] write(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5092] sched_setscheduler(0, SCHED_FIFO, NULL) = -1 EINVAL (Invalid argument) [pid 5092] epoll_create(9) = 3 syzkaller login: [ 56.253930][ T27] audit: type=1804 audit(1675649661.573:2): pid=5083 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz-executor487" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [ 56.277430][ T27] audit: type=1800 audit(1675649661.573:3): pid=5083 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor487" name="bus" dev="sda1" ino=1138 res=0 errno=0 [pid 5092] creat("./bus", 011 [pid 5089] <... creat resumed>) = 4 [pid 5086] <... ftruncate resumed>) = 0 [pid 5092] <... creat resumed>) = 4 [pid 5091] <... creat resumed>) = 4 [pid 5090] <... creat resumed>) = 4 [pid 5089] ftruncate(4, 2048 [pid 5086] lseek(4, 512, SEEK_END [pid 5092] ftruncate(4, 2048 [pid 5091] ftruncate(4, 2048 [pid 5090] ftruncate(4, 2048 [pid 5086] <... lseek resumed>) = 38400 [pid 5089] <... ftruncate resumed>) = 0 [pid 5086] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5092] <... ftruncate resumed>) = 0 [pid 5090] <... ftruncate resumed>) = 0 [pid 5091] <... ftruncate resumed>) = 0 [pid 5092] lseek(4, 512, SEEK_END [pid 5091] lseek(4, 512, SEEK_END [pid 5090] lseek(4, 512, SEEK_END [pid 5089] lseek(4, 512, SEEK_END [pid 5086] <... open resumed>) = 5 [pid 5092] <... lseek resumed>) = 2560 [pid 5091] <... lseek resumed>) = 2560 [pid 5090] <... lseek resumed>) = 2560 [pid 5089] <... lseek resumed>) = 2560 [pid 5086] sendfile(4, 5, NULL, 122112 [pid 5092] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5091] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5090] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [ 56.299352][ T27] audit: type=1804 audit(1675649661.603:4): pid=5086 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor487" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [ 56.324060][ T27] audit: type=1804 audit(1675649661.643:5): pid=5089 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor487" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [pid 5089] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5092] <... open resumed>) = 5 [pid 5091] <... open resumed>) = 5 [pid 5090] <... open resumed>) = 5 [pid 5089] <... open resumed>) = 5 [pid 5086] <... sendfile resumed>) = 78848 [pid 5092] sendfile(4, 5, NULL, 122112 [pid 5091] sendfile(4, 5, NULL, 122112 [pid 5090] sendfile(4, 5, NULL, 122112 [pid 5089] sendfile(4, 5, NULL, 122112 [pid 5086] exit_group(0) = ? [pid 5086] +++ exited with 0 +++ [pid 5090] <... sendfile resumed>) = 65536 [pid 5089] <... sendfile resumed>) = 65536 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5092] <... sendfile resumed>) = 65536 [pid 5089] exit_group(0 [pid 5092] exit_group(0 [pid 5091] <... sendfile resumed>) = 65536 [pid 5090] exit_group(0 [pid 5089] <... exit_group resumed>) = ? [pid 5092] <... exit_group resumed>) = ? [pid 5091] exit_group(0 [pid 5090] <... exit_group resumed>) = ? [pid 5089] +++ exited with 0 +++ [pid 5092] +++ exited with 0 +++ [pid 5091] <... exit_group resumed>) = ? [pid 5090] +++ exited with 0 +++ [pid 5091] +++ exited with 0 +++ [pid 5083] <... sendfile resumed>) = 105984 [pid 5083] exit_group(0) = ? [pid 5083] +++ exited with 0 +++ [pid 5085] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5084] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5089, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5085] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5084] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5088] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5087] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5085] <... clone resumed>, child_tidptr=0x5555563915d0) = 5093 [pid 5084] <... clone resumed>, child_tidptr=0x5555563915d0) = 5094 ./strace-static-x86_64: Process 5094 attached [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5094] setpgid(0, 0) = 0 [ 56.354471][ T27] audit: type=1804 audit(1675649661.643:6): pid=5090 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor487" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [ 56.376132][ T27] audit: type=1804 audit(1675649661.643:7): pid=5091 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor487" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5093 attached [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5094] <... openat resumed>) = 3 [pid 5093] <... prctl resumed>) = 0 [pid 5093] setpgid(0, 0) = 0 [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5094] write(3, "1000", 4) = 4 [pid 5094] close(3) = 0 [pid 5094] write(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5094] sched_setscheduler(0, SCHED_FIFO, NULL) = -1 EINVAL (Invalid argument) [pid 5094] epoll_create(9 [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5094] <... epoll_create resumed>) = 3 [pid 5094] creat("./bus", 011 [pid 5093] <... openat resumed>) = 3 [ 56.398089][ T27] audit: type=1804 audit(1675649661.643:8): pid=5092 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor487" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [ 56.424542][ T27] audit: type=1804 audit(1675649661.673:9): pid=5086 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz-executor487" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [pid 5087] <... clone resumed>, child_tidptr=0x5555563915d0) = 5097 [pid 5088] <... clone resumed>, child_tidptr=0x5555563915d0) = 5096 ./strace-static-x86_64: Process 5098 attached ./strace-static-x86_64: Process 5097 attached ./strace-static-x86_64: Process 5096 attached ./strace-static-x86_64: Process 5095 attached [pid 5094] <... creat resumed>) = 4 [pid 5093] write(3, "1000", 4 [pid 5082] <... clone resumed>, child_tidptr=0x5555563915d0) = 5095 [pid 5081] <... clone resumed>, child_tidptr=0x5555563915d0) = 5098 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5094] ftruncate(4, 2048 [pid 5093] <... write resumed>) = 4 [pid 5098] <... prctl resumed>) = 0 [pid 5097] <... prctl resumed>) = 0 [pid 5096] <... prctl resumed>) = 0 [pid 5095] <... prctl resumed>) = 0 [pid 5094] <... ftruncate resumed>) = 0 [pid 5093] close(3 [pid 5098] setpgid(0, 0 [pid 5097] setpgid(0, 0 [pid 5096] setpgid(0, 0 [pid 5095] setpgid(0, 0 [pid 5094] lseek(4, 512, SEEK_END [pid 5093] <... close resumed>) = 0 [pid 5098] <... setpgid resumed>) = 0 [pid 5097] <... setpgid resumed>) = 0 [pid 5096] <... setpgid resumed>) = 0 [pid 5095] <... setpgid resumed>) = 0 [pid 5094] <... lseek resumed>) = 2560 [pid 5093] write(-1, NULL, 0 [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5094] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5093] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] <... openat resumed>) = 3 [pid 5097] <... openat resumed>) = 3 [pid 5096] <... openat resumed>) = 3 [pid 5095] <... openat resumed>) = 3 [pid 5094] <... open resumed>) = 5 [pid 5098] write(3, "1000", 4 [pid 5097] write(3, "1000", 4 [pid 5096] write(3, "1000", 4 [pid 5095] write(3, "1000", 4 [pid 5094] sendfile(4, 5, NULL, 122112 [pid 5093] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5098] <... write resumed>) = 4 [pid 5097] <... write resumed>) = 4 [pid 5096] <... write resumed>) = 4 [pid 5095] <... write resumed>) = 4 [pid 5097] close(3 [pid 5095] close(3 [pid 5097] <... close resumed>) = 0 [pid 5095] <... close resumed>) = 0 [pid 5097] write(-1, NULL, 0 [pid 5095] write(-1, NULL, 0 [pid 5093] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5098] close(3 [pid 5097] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] close(3 [pid 5095] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] epoll_create(9 [pid 5098] <... close resumed>) = 0 [pid 5097] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5096] <... close resumed>) = 0 [pid 5095] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5093] <... epoll_create resumed>) = 3 [pid 5098] write(-1, NULL, 0 [pid 5097] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5096] write(-1, NULL, 0 [pid 5095] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5093] creat("./bus", 011 [pid 5098] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] epoll_create(9 [pid 5096] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] epoll_create(9 [pid 5098] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5097] <... epoll_create resumed>) = 3 [pid 5096] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5095] <... epoll_create resumed>) = 3 [pid 5098] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5097] creat("./bus", 011 [pid 5096] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5095] creat("./bus", 011 [pid 5093] <... creat resumed>) = 4 [pid 5098] epoll_create(9 [pid 5096] epoll_create(9 [pid 5093] ftruncate(4, 2048 [pid 5098] <... epoll_create resumed>) = 3 [pid 5096] <... epoll_create resumed>) = 3 [pid 5098] creat("./bus", 011 [ 56.446107][ T27] audit: type=1800 audit(1675649661.673:10): pid=5086 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor487" name="bus" dev="sda1" ino=1138 res=0 errno=0 [pid 5096] creat("./bus", 011 [pid 5097] <... creat resumed>) = 4 [pid 5095] <... creat resumed>) = 4 [pid 5093] <... ftruncate resumed>) = 0 [pid 5098] <... creat resumed>) = 4 [pid 5097] ftruncate(4, 2048 [pid 5095] ftruncate(4, 2048 [pid 5093] lseek(4, 512, SEEK_END [pid 5094] <... sendfile resumed>) = 9728 [pid 5098] ftruncate(4, 2048 [pid 5097] <... ftruncate resumed>) = 0 [pid 5096] <... creat resumed>) = 4 [pid 5095] <... ftruncate resumed>) = 0 [pid 5093] <... lseek resumed>) = 2560 [pid 5098] <... ftruncate resumed>) = 0 [pid 5097] lseek(4, 512, SEEK_END [pid 5096] ftruncate(4, 2048 [pid 5095] lseek(4, 512, SEEK_END [pid 5094] exit_group(0 [pid 5093] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5098] lseek(4, 512, SEEK_END [pid 5097] <... lseek resumed>) = 2560 [pid 5095] <... lseek resumed>) = 2560 [pid 5097] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5095] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5094] <... exit_group resumed>) = ? [pid 5093] <... open resumed>) = 5 [pid 5096] <... ftruncate resumed>) = 0 [pid 5098] <... lseek resumed>) = 2560 [pid 5097] <... open resumed>) = 5 [pid 5095] <... open resumed>) = 5 [pid 5097] sendfile(4, 5, NULL, 122112 [pid 5095] sendfile(4, 5, NULL, 122112 [pid 5098] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5096] lseek(4, 512, SEEK_END [pid 5094] +++ exited with 0 +++ [pid 5093] sendfile(4, 5, NULL, 122112 [pid 5096] <... lseek resumed>) = 5120 [pid 5096] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5084] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5084] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5084] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563915d0) = 5099 ./strace-static-x86_64: Process 5099 attached [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5098] <... open resumed>) = 5 [pid 5099] setpgid(0, 0 [pid 5098] sendfile(4, 5, NULL, 122112 [pid 5099] <... setpgid resumed>) = 0 [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5099] write(3, "1000", 4) = 4 [pid 5099] close(3) = 0 [pid 5099] write(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5099] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5096] <... open resumed>) = 5 [pid 5099] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5099] epoll_create(9 [pid 5096] sendfile(4, 5, NULL, 122112 [pid 5099] <... epoll_create resumed>) = 3 [ 56.494397][ T27] audit: type=1804 audit(1675649661.673:11): pid=5091 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz-executor487" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [pid 5099] creat("./bus", 011) = 4 [pid 5099] ftruncate(4, 2048 [pid 5096] <... sendfile resumed>) = 37888 [pid 5095] <... sendfile resumed>) = 43008 [pid 5099] <... ftruncate resumed>) = 0 [pid 5098] <... sendfile resumed>) = 30208 [pid 5097] <... sendfile resumed>) = 32768 [pid 5096] exit_group(0 [pid 5095] exit_group(0 [pid 5093] <... sendfile resumed>) = 30208 [pid 5099] lseek(4, 512, SEEK_END [pid 5098] exit_group(0 [pid 5097] exit_group(0 [pid 5096] <... exit_group resumed>) = ? [pid 5095] <... exit_group resumed>) = ? [pid 5099] <... lseek resumed>) = 2560 [pid 5098] <... exit_group resumed>) = ? [pid 5097] <... exit_group resumed>) = ? [pid 5096] +++ exited with 0 +++ [pid 5095] +++ exited with 0 +++ [pid 5093] exit_group(0 [pid 5099] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5098] +++ exited with 0 +++ [pid 5097] +++ exited with 0 +++ [pid 5093] <... exit_group resumed>) = ? [pid 5088] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5087] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5099] <... open resumed>) = 5 [pid 5088] restart_syscall(<... resuming interrupted clone ...> [pid 5082] restart_syscall(<... resuming interrupted clone ...> [pid 5081] restart_syscall(<... resuming interrupted clone ...> [pid 5099] sendfile(4, 5, NULL, 122112 [pid 5093] +++ exited with 0 +++ [pid 5088] <... restart_syscall resumed>) = 0 [pid 5082] <... restart_syscall resumed>) = 0 [pid 5081] <... restart_syscall resumed>) = 0 [pid 5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5085] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5100 attached [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5087] <... clone resumed>, child_tidptr=0x5555563915d0) = 5100 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5102 attached [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5088] <... clone resumed>, child_tidptr=0x5555563915d0) = 5101 [pid 5082] <... clone resumed>, child_tidptr=0x5555563915d0) = 5102 [pid 5081] <... clone resumed>, child_tidptr=0x5555563915d0) = 5103 [pid 5100] setpgid(0, 0./strace-static-x86_64: Process 5103 attached [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5100] <... setpgid resumed>) = 0 [pid 5085] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5104 attached ./strace-static-x86_64: Process 5101 attached [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5102] <... prctl resumed>) = 0 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5085] <... clone resumed>, child_tidptr=0x5555563915d0) = 5104 [pid 5102] setpgid(0, 0 [pid 5100] <... openat resumed>) = 3 [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5103] <... prctl resumed>) = 0 [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5104] <... prctl resumed>) = 0 [pid 5103] setpgid(0, 0 [pid 5102] <... setpgid resumed>) = 0 [pid 5101] <... prctl resumed>) = 0 [pid 5100] write(3, "1000", 4 [pid 5104] setpgid(0, 0 [pid 5103] <... setpgid resumed>) = 0 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] <... write resumed>) = 4 [pid 5104] <... setpgid resumed>) = 0 [pid 5102] <... openat resumed>) = 3 [pid 5100] close(3 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] write(3, "1000", 4 [pid 5101] setpgid(0, 0 [pid 5100] <... close resumed>) = 0 [pid 5104] <... openat resumed>) = 3 [pid 5102] <... write resumed>) = 4 [pid 5100] write(-1, NULL, 0 [pid 5103] <... openat resumed>) = 3 [pid 5101] <... setpgid resumed>) = 0 [pid 5104] write(3, "1000", 4 [pid 5102] close(3 [pid 5100] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] <... write resumed>) = 4 [pid 5103] write(3, "1000", 4 [pid 5102] <... close resumed>) = 0 [pid 5100] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5104] close(3 [pid 5103] <... write resumed>) = 4 [pid 5102] write(-1, NULL, 0 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5104] <... close resumed>) = 0 [pid 5103] close(3 [pid 5102] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] epoll_create(9 [pid 5104] write(-1, NULL, 0 [pid 5103] <... close resumed>) = 0 [pid 5102] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5101] <... openat resumed>) = 3 [pid 5100] <... epoll_create resumed>) = 3 [pid 5104] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] write(-1, NULL, 0 [pid 5102] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5101] write(3, "1000", 4 [pid 5100] creat("./bus", 011 [pid 5104] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5103] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] epoll_create(9 [pid 5101] <... write resumed>) = 4 [pid 5104] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5103] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5102] <... epoll_create resumed>) = 3 [pid 5101] close(3 [pid 5100] <... creat resumed>) = 4 [pid 5104] epoll_create(9 [pid 5103] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5102] creat("./bus", 011 [pid 5101] <... close resumed>) = 0 [pid 5100] ftruncate(4, 2048 [pid 5104] <... epoll_create resumed>) = 3 [pid 5103] epoll_create(9 [pid 5101] write(-1, NULL, 0 [pid 5103] <... epoll_create resumed>) = 3 [pid 5101] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] creat("./bus", 011 [pid 5103] creat("./bus", 011 [pid 5101] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5104] <... creat resumed>) = 4 [pid 5103] <... creat resumed>) = 4 [pid 5102] <... creat resumed>) = 4 [pid 5101] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5100] <... ftruncate resumed>) = 0 [pid 5099] <... sendfile resumed>) = 32768 [pid 5104] ftruncate(4, 2048 [pid 5103] ftruncate(4, 2048 [pid 5102] ftruncate(4, 2048 [pid 5101] epoll_create(9 [pid 5100] lseek(4, 512, SEEK_END [pid 5104] <... ftruncate resumed>) = 0 [pid 5103] <... ftruncate resumed>) = 0 [pid 5102] <... ftruncate resumed>) = 0 [pid 5101] <... epoll_create resumed>) = 3 [pid 5100] <... lseek resumed>) = 2560 [pid 5099] exit_group(0 [pid 5104] lseek(4, 512, SEEK_END [pid 5103] lseek(4, 512, SEEK_END [pid 5102] lseek(4, 512, SEEK_END [pid 5101] creat("./bus", 011 [pid 5100] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5099] <... exit_group resumed>) = ? [pid 5104] <... lseek resumed>) = 2560 [pid 5103] <... lseek resumed>) = 2560 [pid 5102] <... lseek resumed>) = 2560 [pid 5101] <... creat resumed>) = 4 [pid 5104] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5103] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5102] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5101] ftruncate(4, 2048 [pid 5100] <... open resumed>) = 5 [pid 5104] <... open resumed>) = 5 [pid 5103] <... open resumed>) = 5 [pid 5102] <... open resumed>) = 5 [pid 5101] <... ftruncate resumed>) = 0 [pid 5100] sendfile(4, 5, NULL, 122112 [pid 5099] +++ exited with 0 +++ [pid 5104] sendfile(4, 5, NULL, 122112 [pid 5103] sendfile(4, 5, NULL, 122112 [pid 5102] sendfile(4, 5, NULL, 122112 [pid 5101] lseek(4, 512, SEEK_END) = 5120 [pid 5101] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5084] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5084] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5084] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5105 attached , child_tidptr=0x5555563915d0) = 5105 [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5105] setpgid(0, 0) = 0 [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5105] write(3, "1000", 4) = 4 [pid 5105] close(3 [pid 5101] <... open resumed>) = 5 [pid 5101] sendfile(4, 5, NULL, 122112 [pid 5105] <... close resumed>) = 0 [pid 5105] write(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5105] sched_setscheduler(0, SCHED_FIFO, NULL) = -1 EINVAL (Invalid argument) [pid 5105] epoll_create(9) = 3 [pid 5105] creat("./bus", 011) = 4 [pid 5105] ftruncate(4, 2048) = 0 [pid 5105] lseek(4, 512, SEEK_END) = 58880 [pid 5105] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5100] <... sendfile resumed>) = 58368 [pid 5102] <... sendfile resumed>) = 58368 [pid 5102] exit_group(0 [pid 5100] exit_group(0 [pid 5103] <... sendfile resumed>) = 58368 [pid 5102] <... exit_group resumed>) = ? [pid 5100] <... exit_group resumed>) = ? [pid 5105] <... open resumed>) = 5 [pid 5104] <... sendfile resumed>) = 58368 [pid 5103] exit_group(0 [pid 5101] <... sendfile resumed>) = 60928 [pid 5105] sendfile(4, 5, NULL, 122112 [pid 5104] exit_group(0 [pid 5102] +++ exited with 0 +++ [pid 5101] exit_group(0 [pid 5104] <... exit_group resumed>) = ? [pid 5103] <... exit_group resumed>) = ? [pid 5100] +++ exited with 0 +++ [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5105] <... sendfile resumed>) = 65536 [pid 5104] +++ exited with 0 +++ [pid 5101] <... exit_group resumed>) = ? [pid 5087] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5082] restart_syscall(<... resuming interrupted clone ...> [pid 5105] exit_group(0 [pid 5103] +++ exited with 0 +++ [pid 5101] +++ exited with 0 +++ [pid 5082] <... restart_syscall resumed>) = 0 [pid 5105] <... exit_group resumed>) = ? [pid 5088] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5085] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5105] +++ exited with 0 +++ [pid 5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5085] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5106 attached [pid 5084] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5108 attached ./strace-static-x86_64: Process 5107 attached [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5087] <... clone resumed>, child_tidptr=0x5555563915d0) = 5106 [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5106] <... prctl resumed>) = 0 [pid 5085] <... clone resumed>, child_tidptr=0x5555563915d0) = 5107 [pid 5082] <... clone resumed>, child_tidptr=0x5555563915d0) = 5108 [pid 5108] <... prctl resumed>) = 0 [pid 5107] <... prctl resumed>) = 0 [pid 5106] setpgid(0, 0 [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5109 attached [pid 5108] setpgid(0, 0 [pid 5107] setpgid(0, 0 [pid 5106] <... setpgid resumed>) = 0 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5110 attached [pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5108] <... setpgid resumed>) = 0 [pid 5107] <... setpgid resumed>) = 0 [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5088] <... clone resumed>, child_tidptr=0x5555563915d0) = 5109 [pid 5109] <... prctl resumed>) = 0 [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5106] <... openat resumed>) = 3 [pid 5084] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] <... clone resumed>, child_tidptr=0x5555563915d0) = 5110 ./strace-static-x86_64: Process 5111 attached [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5109] setpgid(0, 0 [pid 5108] <... openat resumed>) = 3 [pid 5107] <... openat resumed>) = 3 [pid 5106] write(3, "1000", 4 [pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5110] <... prctl resumed>) = 0 [pid 5109] <... setpgid resumed>) = 0 [pid 5108] write(3, "1000", 4 [pid 5107] write(3, "1000", 4 [pid 5106] <... write resumed>) = 4 [pid 5084] <... clone resumed>, child_tidptr=0x5555563915d0) = 5111 [pid 5111] <... prctl resumed>) = 0 [pid 5110] setpgid(0, 0 [pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5108] <... write resumed>) = 4 [pid 5107] <... write resumed>) = 4 [pid 5106] close(3 [pid 5111] setpgid(0, 0 [pid 5110] <... setpgid resumed>) = 0 [pid 5109] <... openat resumed>) = 3 [pid 5108] close(3 [pid 5107] close(3 [pid 5106] <... close resumed>) = 0 [pid 5111] <... setpgid resumed>) = 0 [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5109] write(3, "1000", 4 [pid 5108] <... close resumed>) = 0 [pid 5107] <... close resumed>) = 0 [pid 5106] write(-1, NULL, 0 [pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5110] <... openat resumed>) = 3 [pid 5109] <... write resumed>) = 4 [pid 5108] write(-1, NULL, 0 [pid 5107] write(-1, NULL, 0 [pid 5106] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] <... openat resumed>) = 3 [pid 5110] write(3, "1000", 4 [pid 5109] close(3 [pid 5108] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5111] write(3, "1000", 4 [pid 5110] <... write resumed>) = 4 [pid 5109] <... close resumed>) = 0 [pid 5108] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5107] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5106] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5111] <... write resumed>) = 4 [pid 5110] close(3 [pid 5109] write(-1, NULL, 0 [pid 5108] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5107] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5106] epoll_create(9 [pid 5111] close(3 [pid 5110] <... close resumed>) = 0 [pid 5109] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5108] epoll_create(9 [pid 5107] epoll_create(9 [pid 5106] <... epoll_create resumed>) = 3 [pid 5111] <... close resumed>) = 0 [pid 5110] write(-1, NULL, 0 [pid 5109] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5108] <... epoll_create resumed>) = 3 [pid 5107] <... epoll_create resumed>) = 3 [pid 5106] creat("./bus", 011 [pid 5111] write(-1, NULL, 0 [pid 5110] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5108] creat("./bus", 011 [pid 5107] creat("./bus", 011 [pid 5111] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5110] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5109] epoll_create(9 [pid 5108] <... creat resumed>) = 4 [pid 5107] <... creat resumed>) = 4 [pid 5106] <... creat resumed>) = 4 [pid 5111] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5110] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5109] <... epoll_create resumed>) = 3 [pid 5108] ftruncate(4, 2048 [pid 5107] ftruncate(4, 2048 [pid 5106] ftruncate(4, 2048 [pid 5111] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5110] epoll_create(9 [pid 5109] creat("./bus", 011 [pid 5108] <... ftruncate resumed>) = 0 [pid 5107] <... ftruncate resumed>) = 0 [pid 5106] <... ftruncate resumed>) = 0 [pid 5111] epoll_create(9 [pid 5110] <... epoll_create resumed>) = 3 [pid 5109] <... creat resumed>) = 4 [pid 5108] lseek(4, 512, SEEK_END [pid 5107] lseek(4, 512, SEEK_END [pid 5106] lseek(4, 512, SEEK_END [pid 5111] <... epoll_create resumed>) = 3 [pid 5110] creat("./bus", 011 [pid 5109] ftruncate(4, 2048 [pid 5108] <... lseek resumed>) = 512 [pid 5107] <... lseek resumed>) = 512 [pid 5106] <... lseek resumed>) = 512 [pid 5111] creat("./bus", 011 [pid 5110] <... creat resumed>) = 4 [pid 5109] <... ftruncate resumed>) = 0 [pid 5108] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5107] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5106] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5111] <... creat resumed>) = 4 [pid 5110] ftruncate(4, 2048 [pid 5109] lseek(4, 512, SEEK_END [pid 5108] <... open resumed>) = 5 [pid 5107] <... open resumed>) = 5 [pid 5106] <... open resumed>) = 5 [pid 5111] ftruncate(4, 2048 [pid 5110] <... ftruncate resumed>) = 0 [pid 5109] <... lseek resumed>) = 2560 [pid 5108] sendfile(4, 5, NULL, 122112 [pid 5107] sendfile(4, 5, NULL, 122112 [pid 5106] sendfile(4, 5, NULL, 122112 [pid 5111] <... ftruncate resumed>) = 0 [pid 5110] lseek(4, 512, SEEK_END [pid 5109] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5111] lseek(4, 512, SEEK_END [pid 5110] <... lseek resumed>) = 3072 [pid 5111] <... lseek resumed>) = 3072 [pid 5110] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5111] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5109] <... open resumed>) = 5 [pid 5109] sendfile(4, 5, NULL, 122112 [pid 5110] <... open resumed>) = 5 [pid 5111] <... open resumed>) = 5 [pid 5110] sendfile(4, 5, NULL, 122112 [pid 5111] sendfile(4, 5, NULL, 122112) = 58880 [pid 5111] exit_group(0) = ? [pid 5111] +++ exited with 0 +++ [pid 5107] <... sendfile resumed>) = 61952 [pid 5107] exit_group(0 [pid 5084] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5111, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5109] <... sendfile resumed>) = 62464 [pid 5107] <... exit_group resumed>) = ? [pid 5109] exit_group(0 [pid 5108] <... sendfile resumed>) = 61952 [pid 5109] <... exit_group resumed>) = ? [pid 5108] exit_group(0 [pid 5107] +++ exited with 0 +++ [pid 5106] <... sendfile resumed>) = 61952 [pid 5084] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5112 attached [pid 5110] <... sendfile resumed>) = 65024 [pid 5109] +++ exited with 0 +++ [pid 5108] <... exit_group resumed>) = ? [pid 5106] exit_group(0 [pid 5085] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5110] exit_group(0 [pid 5108] +++ exited with 0 +++ [pid 5106] <... exit_group resumed>) = ? [pid 5084] <... clone resumed>, child_tidptr=0x5555563915d0) = 5112 [pid 5112] <... prctl resumed>) = 0 [pid 5110] <... exit_group resumed>) = ? [pid 5106] +++ exited with 0 +++ [pid 5088] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5112] setpgid(0, 0 [pid 5088] restart_syscall(<... resuming interrupted clone ...> [pid 5087] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5085] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5113 attached [pid 5112] <... setpgid resumed>) = 0 [pid 5110] +++ exited with 0 +++ [pid 5088] <... restart_syscall resumed>) = 0 [pid 5082] restart_syscall(<... resuming interrupted clone ...> [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5085] <... clone resumed>, child_tidptr=0x5555563915d0) = 5113 [pid 5082] <... restart_syscall resumed>) = 0 [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5113] <... prctl resumed>) = 0 [pid 5112] <... openat resumed>) = 3 [pid 5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5114 attached [pid 5113] setpgid(0, 0 [pid 5112] write(3, "1000", 4 [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5113] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5115 attached [pid 5112] <... write resumed>) = 4 [pid 5088] <... clone resumed>, child_tidptr=0x5555563915d0) = 5115 [pid 5087] <... clone resumed>, child_tidptr=0x5555563915d0) = 5114 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5114] <... prctl resumed>) = 0 [pid 5112] close(3 [pid 5115] <... prctl resumed>) = 0 [pid 5112] <... close resumed>) = 0 [pid 5115] setpgid(0, 0 [pid 5113] <... openat resumed>) = 3 [pid 5112] write(-1, NULL, 0 [pid 5082] <... clone resumed>, child_tidptr=0x5555563915d0) = 5116 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5114] setpgid(0, 0./strace-static-x86_64: Process 5117 attached [pid 5115] <... setpgid resumed>) = 0 [pid 5113] write(3, "1000", 4 [pid 5112] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5114] <... setpgid resumed>) = 0 [pid 5113] <... write resumed>) = 4 [pid 5112] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5081] <... clone resumed>, child_tidptr=0x5555563915d0) = 5117 ./strace-static-x86_64: Process 5116 attached [pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5115] <... openat resumed>) = 3 [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5113] close(3 [pid 5112] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5117] <... prctl resumed>) = 0 [pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5115] write(3, "1000", 4 [pid 5113] <... close resumed>) = 0 [pid 5112] epoll_create(9 [pid 5117] setpgid(0, 0 [pid 5116] <... prctl resumed>) = 0 [pid 5115] <... write resumed>) = 4 [pid 5114] <... openat resumed>) = 3 [pid 5113] write(-1, NULL, 0 [pid 5112] <... epoll_create resumed>) = 3 [pid 5116] setpgid(0, 0 [pid 5115] close(3 [pid 5117] <... setpgid resumed>) = 0 [pid 5114] write(3, "1000", 4 [pid 5113] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] creat("./bus", 011 [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5116] <... setpgid resumed>) = 0 [pid 5115] <... close resumed>) = 0 [pid 5114] <... write resumed>) = 4 [pid 5113] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5112] <... creat resumed>) = 4 [pid 5117] <... openat resumed>) = 3 [pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5115] write(-1, NULL, 0 [pid 5114] close(3 [pid 5113] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5112] ftruncate(4, 2048 [pid 5117] write(3, "1000", 4 [pid 5116] <... openat resumed>) = 3 [pid 5115] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] <... close resumed>) = 0 [pid 5113] epoll_create(9 [pid 5112] <... ftruncate resumed>) = 0 [pid 5117] <... write resumed>) = 4 [pid 5116] write(3, "1000", 4 [pid 5115] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5114] write(-1, NULL, 0 [pid 5113] <... epoll_create resumed>) = 3 [pid 5112] lseek(4, 512, SEEK_END [pid 5117] close(3 [pid 5116] <... write resumed>) = 4 [pid 5115] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5114] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] creat("./bus", 011 [pid 5112] <... lseek resumed>) = 2560 [pid 5117] <... close resumed>) = 0 [pid 5116] close(3 [pid 5115] epoll_create(9 [pid 5114] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5113] <... creat resumed>) = 4 [pid 5112] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5117] write(-1, NULL, 0 [pid 5116] <... close resumed>) = 0 [pid 5115] <... epoll_create resumed>) = 3 [pid 5114] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5113] ftruncate(4, 2048 [pid 5112] <... open resumed>) = 5 [pid 5117] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] write(-1, NULL, 0 [pid 5115] creat("./bus", 011 [pid 5114] epoll_create(9 [pid 5113] <... ftruncate resumed>) = 0 [pid 5112] sendfile(4, 5, NULL, 122112 [pid 5117] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5116] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] <... epoll_create resumed>) = 3 [pid 5113] lseek(4, 512, SEEK_END [pid 5117] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5116] sched_setscheduler(0, SCHED_FIFO, NULL [pid 5114] creat("./bus", 011 [pid 5113] <... lseek resumed>) = 7680 [pid 5116] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5113] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5117] epoll_create(9