./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1831802257 <...> [ 2.814906][ T24] audit: type=1400 audit(1693408404.220:9): avc: denied { append open } for pid=75 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 2.818341][ T24] audit: type=1400 audit(1693408404.220:10): avc: denied { getattr } for pid=75 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 2.942388][ T92] udevd[92]: starting version 3.2.11 [ 2.987316][ T93] udevd[93]: starting eudev-3.2.11 [ 12.092646][ T24] kauditd_printk_skb: 50 callbacks suppressed [ 12.092655][ T24] audit: type=1400 audit(1693408413.510:61): avc: denied { transition } for pid=218 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.096884][ T24] audit: type=1400 audit(1693408413.510:62): avc: denied { noatsecure } for pid=218 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.100327][ T24] audit: type=1400 audit(1693408413.510:63): avc: denied { write } for pid=218 comm="sh" path="pipe:[984]" dev="pipefs" ino=984 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 12.103556][ T24] audit: type=1400 audit(1693408413.510:64): avc: denied { rlimitinh } for pid=218 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.106122][ T24] audit: type=1400 audit(1693408413.510:65): avc: denied { siginh } for pid=218 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.45' (ED25519) to the list of known hosts. execve("./syz-executor1831802257", ["./syz-executor1831802257"], 0x7ffc4ac8db00 /* 10 vars */) = 0 brk(NULL) = 0x55555712a000 brk(0x55555712ad40) = 0x55555712ad40 arch_prctl(ARCH_SET_FS, 0x55555712a3c0) = 0 set_tid_address(0x55555712a690) = 287 set_robust_list(0x55555712a6a0, 24) = 0 rseq(0x55555712ace0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1831802257", 4096) = 28 getrandom("\x3c\x35\x39\x54\xe6\xee\x0e\x76", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555712ad40 brk(0x55555714bd40) = 0x55555714bd40 brk(0x55555714c000) = 0x55555714c000 mprotect(0x7f36e121c000, 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, child_tidptr=0x55555712a690) = 288 ./strace-static-x86_64: Process 288 attached [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 288] set_robust_list(0x55555712a6a0, 24./strace-static-x86_64: Process 289 attached ) = 0 [pid 287] <... clone resumed>, child_tidptr=0x55555712a690) = 289 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 289] set_robust_list(0x55555712a6a0, 24 [pid 288] mkdir("./syzkaller.fb6XQK", 0700 [pid 287] <... clone resumed>, child_tidptr=0x55555712a690) = 290 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555712a690) = 291 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 291 attached ./strace-static-x86_64: Process 292 attached ./strace-static-x86_64: Process 290 attached [pid 289] <... set_robust_list resumed>) = 0 [pid 288] <... mkdir resumed>) = 0 [pid 287] <... clone resumed>, child_tidptr=0x55555712a690) = 292 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 292] set_robust_list(0x55555712a6a0, 24 [pid 291] set_robust_list(0x55555712a6a0, 24 [pid 290] set_robust_list(0x55555712a6a0, 24 [pid 289] mkdir("./syzkaller.bMTt8u", 0700 [pid 288] chmod("./syzkaller.fb6XQK", 0777./strace-static-x86_64: Process 293 attached [pid 287] <... clone resumed>, child_tidptr=0x55555712a690) = 293 [pid 292] <... set_robust_list resumed>) = 0 [pid 291] <... set_robust_list resumed>) = 0 [pid 290] <... set_robust_list resumed>) = 0 [pid 292] mkdir("./syzkaller.is1EPD", 0700 [pid 289] <... mkdir resumed>) = 0 [pid 288] <... chmod resumed>) = 0 [pid 292] <... mkdir resumed>) = 0 [pid 290] mkdir("./syzkaller.8HBzoy", 0700 [pid 292] chmod("./syzkaller.is1EPD", 0777 [pid 291] mkdir("./syzkaller.hYgeh9", 0700 [pid 289] chmod("./syzkaller.bMTt8u", 0777 [pid 288] chdir("./syzkaller.fb6XQK" [pid 292] <... chmod resumed>) = 0 [pid 292] chdir("./syzkaller.is1EPD") = 0 [pid 292] mkdir("./0", 0777 [pid 288] <... chdir resumed>) = 0 [pid 292] <... mkdir resumed>) = 0 [pid 290] <... mkdir resumed>) = 0 [pid 292] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 293] set_robust_list(0x55555712a6a0, 24 [pid 292] <... openat resumed>) = 3 [pid 291] <... mkdir resumed>) = 0 [pid 290] chmod("./syzkaller.8HBzoy", 0777 [pid 289] <... chmod resumed>) = 0 [pid 288] mkdir("./0", 0777 [pid 292] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 292] close(3) = 0 [pid 292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 288] <... mkdir resumed>) = 0 [pid 292] <... clone resumed>, child_tidptr=0x55555712a690) = 294 ./strace-static-x86_64: Process 294 attached [pid 293] <... set_robust_list resumed>) = 0 [pid 291] chmod("./syzkaller.hYgeh9", 0777 [pid 290] <... chmod resumed>) = 0 [pid 289] chdir("./syzkaller.bMTt8u" [pid 288] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 291] <... chmod resumed>) = 0 [pid 290] chdir("./syzkaller.8HBzoy" [pid 289] <... chdir resumed>) = 0 [pid 288] <... openat resumed>) = 3 [pid 290] <... chdir resumed>) = 0 [pid 289] mkdir("./0", 0777 [pid 290] mkdir("./0", 0777 [pid 291] chdir("./syzkaller.hYgeh9" [pid 288] ioctl(3, LOOP_CLR_FD [pid 289] <... mkdir resumed>) = 0 [pid 291] <... chdir resumed>) = 0 [pid 288] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 290] <... mkdir resumed>) = 0 [pid 288] close(3 [pid 291] mkdir("./0", 0777 [pid 290] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 288] <... close resumed>) = 0 [pid 291] <... mkdir resumed>) = 0 [pid 288] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 290] <... openat resumed>) = 3 [pid 289] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 291] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 288] <... clone resumed>, child_tidptr=0x55555712a690) = 296 [pid 291] <... openat resumed>) = 3 [pid 289] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 296 attached [pid 296] set_robust_list(0x55555712a6a0, 24 [pid 289] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 291] ioctl(3, LOOP_CLR_FD [pid 289] close(3 [pid 291] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 290] ioctl(3, LOOP_CLR_FD [pid 296] <... set_robust_list resumed>) = 0 [pid 296] chdir("./0" [pid 289] <... close resumed>) = 0 [pid 291] close(3 [pid 290] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... chdir resumed>) = 0 [pid 291] <... close resumed>) = 0 [pid 296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 290] close(3 [pid 296] setpgid(0, 0) = 0 [pid 296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 289] <... clone resumed>, child_tidptr=0x55555712a690) = 297 [pid 290] <... close resumed>) = 0 [pid 291] <... clone resumed>, child_tidptr=0x55555712a690) = 298 [pid 290] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555712a690) = 299 [pid 296] <... openat resumed>) = 3 [pid 296] write(3, "1000", 4) = 4 [pid 296] close(3) = 0 [pid 296] symlink("/dev/binderfs", "./binderfs" [pid 293] mkdir("./syzkaller.JJjO0R", 0700) = 0 [pid 296] <... symlink resumed>) = 0 [pid 296] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 293] chmod("./syzkaller.JJjO0R", 0777 [pid 296] rt_sigaction(SIGRT_1, {sa_handler=0x7f36e11c00e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f36e11b1290}, NULL, 8) = 0 [pid 296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f36e1136000 [pid 293] <... chmod resumed>) = 0 [pid 296] mprotect(0x7f36e1137000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 293] chdir("./syzkaller.JJjO0R") = 0 [pid 296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 293] mkdir("./0", 0777 [pid 296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f36e1156990, parent_tid=0x7f36e1156990, exit_signal=0, stack=0x7f36e1136000, stack_size=0x20300, tls=0x7f36e11566c0} => {parent_tid=[300]}, 88) = 300 [pid 293] <... mkdir resumed>) = 0 [pid 296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 296] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 293] openat(AT_FDCWD, "/dev/loop5", O_RDWR./strace-static-x86_64: Process 297 attached ) = 3 [pid 297] set_robust_list(0x55555712a6a0, 24 [pid 293] ioctl(3, LOOP_CLR_FD [pid 297] <... set_robust_list resumed>) = 0 [pid 297] chdir("./0" [pid 293] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 293] close(3) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... chdir resumed>) = 0 [pid 297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 293] <... clone resumed>, child_tidptr=0x55555712a690) = 301 ./strace-static-x86_64: Process 299 attached [pid 297] setpgid(0, 0) = 0 [pid 299] set_robust_list(0x55555712a6a0, 24 [pid 297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... set_robust_list resumed>) = 0 [pid 299] chdir("./0") = 0 [pid 299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] setpgid(0, 0 [pid 297] <... openat resumed>) = 3 [pid 299] <... setpgid resumed>) = 0 [pid 299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] write(3, "1000", 4) = 4 [pid 297] close(3) = 0 [pid 297] symlink("/dev/binderfs", "./binderfs") = 0 [pid 299] <... openat resumed>) = 3 [pid 294] set_robust_list(0x55555712a6a0, 24 [pid 299] write(3, "1000", 4) = 4 [pid 299] close(3 [pid 297] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... close resumed>) = 0 [pid 294] <... set_robust_list resumed>) = 0 [pid 299] symlink("/dev/binderfs", "./binderfs" [pid 297] <... futex resumed>) = 0 [pid 297] rt_sigaction(SIGRT_1, {sa_handler=0x7f36e11c00e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f36e11b1290}, NULL, 8) = 0 [pid 297] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f36e1136000 [pid 297] mprotect(0x7f36e1137000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 297] rt_sigprocmask(SIG_BLOCK, ~[], [pid 294] chdir("./0" [pid 299] <... symlink resumed>) = 0 [pid 299] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] rt_sigaction(SIGRT_1, {sa_handler=0x7f36e11c00e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f36e11b1290}, [pid 297] <... rt_sigprocmask resumed>[], 8) = 0 [pid 294] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 298 attached [pid 294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] <... rt_sigaction resumed>NULL, 8) = 0 [pid 297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f36e1156990, parent_tid=0x7f36e1156990, exit_signal=0, stack=0x7f36e1136000, stack_size=0x20300, tls=0x7f36e11566c0} [pid 294] setpgid(0, 0 [pid 299] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 294] <... setpgid resumed>) = 0 [pid 298] set_robust_list(0x55555712a6a0, 24 [pid 299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 298] <... set_robust_list resumed>) = 0 [pid 294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... mmap resumed>) = 0x7f36e1136000 [pid 299] mprotect(0x7f36e1137000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 299] rt_sigprocmask(SIG_BLOCK, ~[], [pid 294] <... openat resumed>) = 3 [pid 294] write(3, "1000", 4) = 4 [pid 299] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] <... clone3 resumed> => {parent_tid=[302]}, 88) = 302 [pid 294] close(3 [pid 299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f36e1156990, parent_tid=0x7f36e1156990, exit_signal=0, stack=0x7f36e1136000, stack_size=0x20300, tls=0x7f36e11566c0} [pid 297] rt_sigprocmask(SIG_SETMASK, [], [pid 294] <... close resumed>) = 0 [pid 297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] symlink("/dev/binderfs", "./binderfs" [pid 299] <... clone3 resumed> => {parent_tid=[303]}, 88) = 303 [pid 298] chdir("./0" [pid 297] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] rt_sigprocmask(SIG_SETMASK, [], [pid 297] <... futex resumed>) = 0 [pid 299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 299] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 294] <... symlink resumed>) = 0 [pid 294] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] rt_sigaction(SIGRT_1, {sa_handler=0x7f36e11c00e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f36e11b1290}, ./strace-static-x86_64: Process 300 attached NULL, 8) = 0 [pid 300] set_robust_list(0x7f36e11569a0, 24 [pid 294] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 300] <... set_robust_list resumed>) = 0 [pid 300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 301 attached [pid 300] memfd_create("syzkaller", 0 [pid 298] <... chdir resumed>) = 0 [pid 294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 300] <... memfd_create resumed>) = 3 [pid 300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f36d8d36000 [pid 298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 301] set_robust_list(0x55555712a6a0, 24 [pid 298] <... prctl resumed>) = 0 [pid 294] <... mmap resumed>) = 0x7f36e1136000 [pid 294] mprotect(0x7f36e1137000, 131072, PROT_READ|PROT_WRITE [pid 298] setpgid(0, 0 [pid 294] <... mprotect resumed>) = 0 [pid 298] <... setpgid resumed>) = 0 [pid 301] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 303 attached [pid 301] chdir("./0" [pid 298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 294] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f36e1156990, parent_tid=0x7f36e1156990, exit_signal=0, stack=0x7f36e1136000, stack_size=0x20300, tls=0x7f36e11566c0} [pid 298] <... openat resumed>) = 3 [pid 301] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 302 attached [pid 298] write(3, "1000", 4 [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 302] set_robust_list(0x7f36e11569a0, 24) = 0 [pid 302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 303] set_robust_list(0x7f36e11569a0, 24 [pid 302] memfd_create("syzkaller", 0 [pid 301] <... prctl resumed>) = 0 [pid 298] <... write resumed>) = 4 [pid 294] <... clone3 resumed> => {parent_tid=[304]}, 88) = 304 [pid 301] setpgid(0, 0 [pid 298] close(3 [pid 302] <... memfd_create resumed>) = 3 [pid 302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 303] <... set_robust_list resumed>) = 0 [pid 302] <... mmap resumed>) = 0x7f36d8d36000 [pid 301] <... setpgid resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 294] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 304 attached [pid 303] rt_sigprocmask(SIG_SETMASK, [], [pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 298] symlink("/dev/binderfs", "./binderfs" [pid 294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 304] set_robust_list(0x7f36e11569a0, 24 [pid 303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 301] <... openat resumed>) = 3 [pid 298] <... symlink resumed>) = 0 [pid 294] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... set_robust_list resumed>) = 0 [pid 303] memfd_create("syzkaller", 0 [pid 301] write(3, "1000", 4 [pid 300] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 298] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], [pid 303] <... memfd_create resumed>) = 3 [pid 301] <... write resumed>) = 4 [pid 298] <... futex resumed>) = 0 [pid 294] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 301] close(3 [ 20.932259][ T24] audit: type=1400 audit(1693408422.350:66): avc: denied { execmem } for pid=287 comm="syz-executor183" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 20.941024][ T24] audit: type=1400 audit(1693408422.360:67): avc: denied { read write } for pid=292 comm="syz-executor183" name="loop4" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 20.944416][ T24] audit: type=1400 audit(1693408422.360:68): avc: denied { open } for pid=292 comm="syz-executor183" path="/dev/loop4" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 20.948815][ T24] audit: type=1400 audit(1693408422.370:69): avc: denied { ioctl } for pid=292 comm="syz-executor183" path="/dev/loop4" dev="devtmpfs" ino=115 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 298] rt_sigaction(SIGRT_1, {sa_handler=0x7f36e11c00e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f36e11b1290}, [pid 304] memfd_create("syzkaller", 0 [pid 303] <... mmap resumed>) = 0x7f36d8d36000 [pid 301] <... close resumed>) = 0 [pid 298] <... rt_sigaction resumed>NULL, 8) = 0 [pid 304] <... memfd_create resumed>) = 3 [pid 302] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 301] symlink("/dev/binderfs", "./binderfs" [pid 298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 301] <... symlink resumed>) = 0 [pid 298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 301] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... mmap resumed>) = 0x7f36e1136000 [pid 304] <... mmap resumed>) = 0x7f36d8d36000 [pid 301] <... futex resumed>) = 0 [pid 298] mprotect(0x7f36e1137000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 300] <... write resumed>) = 1048576 [pid 300] munmap(0x7f36d8d36000, 1048576) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 300] ioctl(4, LOOP_SET_FD, 3 [pid 304] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 298] rt_sigprocmask(SIG_BLOCK, ~[], [pid 301] rt_sigaction(SIGRT_1, {sa_handler=0x7f36e11c00e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f36e11b1290}, [pid 298] <... rt_sigprocmask resumed>[], 8) = 0 [pid 301] <... rt_sigaction resumed>NULL, 8) = 0 [pid 301] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f36e1156990, parent_tid=0x7f36e1156990, exit_signal=0, stack=0x7f36e1136000, stack_size=0x20300, tls=0x7f36e11566c0} [pid 303] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 298] <... clone3 resumed> => {parent_tid=[308]}, 88) = 308 [pid 301] <... mmap resumed>) = 0x7f36e1136000 [pid 298] rt_sigprocmask(SIG_SETMASK, [], [pid 302] <... write resumed>) = 1048576 [pid 301] mprotect(0x7f36e1137000, 131072, PROT_READ|PROT_WRITE [pid 298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 302] munmap(0x7f36d8d36000, 1048576 [pid 301] <... mprotect resumed>) = 0 [pid 298] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] rt_sigprocmask(SIG_BLOCK, ~[], [pid 298] <... futex resumed>) = 0 [pid 302] <... munmap resumed>) = 0 [pid 302] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 301] <... rt_sigprocmask resumed>[], 8) = 0 [pid 298] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f36e1156990, parent_tid=0x7f36e1156990, exit_signal=0, stack=0x7f36e1136000, stack_size=0x20300, tls=0x7f36e11566c0} => {parent_tid=[309]}, 88) = 309 [pid 301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 301] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... ioctl resumed>) = 0 [pid 300] close(3) = 0 [pid 300] mkdir("./bus", 0777 [pid 301] <... futex resumed>) = 0 [pid 301] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 300] <... mkdir resumed>) = 0 [pid 300] mount("/dev/loop0", "./bus", "ext4", 0, ",errors=continue"./strace-static-x86_64: Process 309 attached ./strace-static-x86_64: Process 308 attached [pid 304] <... write resumed>) = 1048576 [pid 303] <... write resumed>) = 1048576 [pid 309] set_robust_list(0x7f36e11569a0, 24 [pid 308] set_robust_list(0x7f36e11569a0, 24 [pid 304] munmap(0x7f36d8d36000, 1048576 [pid 303] munmap(0x7f36d8d36000, 1048576 [pid 309] <... set_robust_list resumed>) = 0 [pid 308] <... set_robust_list resumed>) = 0 [pid 302] <... openat resumed>) = 4 [pid 302] ioctl(4, LOOP_SET_FD, 3 [pid 304] <... munmap resumed>) = 0 [pid 303] <... munmap resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [], [pid 308] rt_sigprocmask(SIG_SETMASK, [], [pid 303] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 304] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 304] <... openat resumed>) = 4 [pid 303] <... openat resumed>) = 4 [pid 309] memfd_create("syzkaller", 0 [pid 308] memfd_create("syzkaller", 0 [pid 304] ioctl(4, LOOP_SET_FD, 3 [pid 303] ioctl(4, LOOP_SET_FD, 3 [pid 309] <... memfd_create resumed>) = 3 [pid 308] <... memfd_create resumed>) = 3 [pid 302] <... ioctl resumed>) = 0 [pid 302] close(3) = 0 [pid 302] mkdir("./bus", 0777) = 0 [pid 302] mount("/dev/loop1", "./bus", "ext4", 0, ",errors=continue" [pid 308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f36d8d36000 [pid 308] <... mmap resumed>) = 0x7f36d8d36000 [pid 309] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 303] <... ioctl resumed>) = 0 [pid 303] close(3) = 0 [pid 303] mkdir("./bus", 0777) = 0 [pid 303] mount("/dev/loop2", "./bus", "ext4", 0, ",errors=continue" [ 21.008163][ T24] audit: type=1400 audit(1693408422.430:70): avc: denied { mounton } for pid=296 comm="syz-executor183" path="/root/syzkaller.fb6XQK/0/bus" dev="sda1" ino=1945 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [pid 308] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 309] <... write resumed>) = 1048576 [pid 309] munmap(0x7f36d8d36000, 1048576 [pid 304] <... ioctl resumed>) = 0 [pid 304] close(3) = 0 [pid 304] mkdir("./bus", 0777 [pid 309] <... munmap resumed>) = 0 [pid 304] <... mkdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 304] mount("/dev/loop4", "./bus", "ext4", 0, ",errors=continue" [pid 309] <... openat resumed>) = 4 [pid 309] ioctl(4, LOOP_SET_FD, 3 [pid 308] <... write resumed>) = 1048576 [pid 308] munmap(0x7f36d8d36000, 1048576) = 0 [pid 308] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 309] <... ioctl resumed>) = 0 [pid 309] close(3) = 0 [pid 309] mkdir("./bus", 0777) = 0 [pid 309] mount("/dev/loop5", "./bus", "ext4", 0, ",errors=continue" [pid 303] <... mount resumed>) = 0 [ 21.048579][ T302] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 21.068228][ T303] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [pid 308] <... openat resumed>) = 4 [pid 303] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 308] ioctl(4, LOOP_SET_FD, 3 [pid 303] <... openat resumed>) = 3 [pid 303] chdir("./bus" [pid 302] <... mount resumed>) = 0 [pid 302] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 302] chdir("./bus") = 0 [pid 302] ioctl(4, LOOP_CLR_FD [pid 303] <... chdir resumed>) = 0 [pid 303] ioctl(4, LOOP_CLR_FD [pid 308] <... ioctl resumed>) = 0 [pid 300] <... mount resumed>) = 0 [pid 308] close(3 [pid 300] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 308] mkdir("./bus", 0777 [pid 300] <... openat resumed>) = 3 [pid 300] chdir("./bus" [pid 308] <... mkdir resumed>) = 0 [pid 308] mount("/dev/loop3", "./bus", "ext4", 0, ",errors=continue" [pid 300] <... chdir resumed>) = 0 [pid 300] ioctl(4, LOOP_CLR_FD) = 0 [pid 300] close(4) = 0 [pid 302] <... ioctl resumed>) = 0 [pid 302] close(4) = 0 [pid 302] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 297] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 302] <... futex resumed>) = 1 [pid 302] openat(AT_FDCWD, "./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 [pid 300] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 296] <... futex resumed>) = 0 [pid 296] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 21.077348][ T24] audit: type=1400 audit(1693408422.500:71): avc: denied { mount } for pid=299 comm="syz-executor183" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 21.101141][ T300] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 21.103604][ T304] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 21.124948][ T309] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [pid 300] openat(AT_FDCWD, "./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 [pid 309] <... mount resumed>) = 0 [pid 304] <... mount resumed>) = 0 [pid 303] <... ioctl resumed>) = 0 [pid 302] <... openat resumed>) = 4 [pid 300] <... openat resumed>) = 4 [pid 309] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 303] close(4 [pid 309] <... openat resumed>) = 3 [pid 303] <... close resumed>) = 0 [pid 302] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 296] <... futex resumed>) = 0 [pid 309] chdir("./bus" [pid 303] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... futex resumed>) = 1 [pid 297] <... futex resumed>) = 0 [pid 296] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 300] openat(AT_FDCWD, "./bus", O_RDONLY [pid 309] <... chdir resumed>) = 0 [pid 303] <... futex resumed>) = 1 [pid 302] futex(0x7f36e12226c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] <... futex resumed>) = 0 [pid 297] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... futex resumed>) = 0 [pid 299] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 296] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 303] openat(AT_FDCWD, "./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 [pid 300] <... openat resumed>) = 5 [pid 299] <... futex resumed>) = 0 [pid 309] ioctl(4, LOOP_CLR_FD [pid 297] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 302] openat(AT_FDCWD, "./bus", O_RDONLY [pid 299] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... ioctl resumed>) = 0 [pid 304] <... openat resumed>) = 3 [pid 303] <... openat resumed>) = 4 [pid 302] <... openat resumed>) = 5 [pid 300] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] close(4 [pid 303] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... futex resumed>) = 1 [pid 296] <... futex resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 304] chdir("./bus" [pid 303] <... futex resumed>) = 1 [pid 299] <... futex resumed>) = 0 [pid 302] <... futex resumed>) = 1 [pid 299] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 296] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] openat(AT_FDCWD, "./bus", O_RDONLY [pid 302] futex(0x7f36e12226c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 300] openat(AT_FDCWD, "./bus", O_RDWR|O_SYNC|O_NOATIME|O_CLOEXEC [pid 299] <... futex resumed>) = 0 [pid 297] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... futex resumed>) = 0 [pid 304] <... chdir resumed>) = 0 [pid 309] <... futex resumed>) = 1 [pid 303] <... openat resumed>) = 5 [pid 302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 301] <... futex resumed>) = 0 [pid 300] <... openat resumed>) = 6 [pid 299] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... futex resumed>) = 0 [pid 296] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] futex(0x7f36e12226c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 303] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] openat(AT_FDCWD, "./bus", O_RDWR|O_SYNC|O_NOATIME|O_CLOEXEC [pid 301] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 303] <... futex resumed>) = 0 [pid 302] <... openat resumed>) = 6 [pid 301] <... futex resumed>) = 0 [pid 300] <... futex resumed>) = 0 [pid 299] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] openat(AT_FDCWD, "./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 [pid 303] openat(AT_FDCWD, "./bus", O_RDWR|O_SYNC|O_NOATIME|O_CLOEXEC [pid 302] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] write(6, "t", 1 [pid 299] <... futex resumed>) = 0 [pid 296] <... futex resumed>) = 0 [pid 299] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 302] <... futex resumed>) = 1 [pid 297] <... futex resumed>) = 0 [pid 302] write(6, "t", 1 [pid 297] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... openat resumed>) = 6 [pid 309] <... openat resumed>) = 4 [pid 300] <... write resumed>) = 1 [pid 297] <... futex resumed>) = 0 [pid 303] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... futex resumed>) = 1 [pid 302] <... write resumed>) = 1 [pid 300] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 297] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... futex resumed>) = 1 [pid 303] futex(0x7f36e12226c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 302] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... futex resumed>) = 0 [pid 300] <... futex resumed>) = 1 [pid 299] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 296] <... futex resumed>) = 0 [pid 309] futex(0x7f36e12226c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] ioctl(4, LOOP_CLR_FD [pid 303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 302] <... futex resumed>) = 0 [pid 301] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] futex(0x7f36e12226c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] <... futex resumed>) = 0 [pid 297] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... ioctl resumed>) = 0 [pid 303] write(6, "t", 1 [pid 302] sendfile(6, 5, NULL, 131071 [pid 301] <... futex resumed>) = 0 [pid 300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 299] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... futex resumed>) = 0 [pid 296] <... futex resumed>) = 0 [pid 309] openat(AT_FDCWD, "./bus", O_RDONLY [pid 304] close(4 [pid 303] <... write resumed>) = 1 [pid 301] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] sendfile(6, 5, NULL, 131071 [pid 297] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... openat resumed>) = 5 [pid 304] <... close resumed>) = 0 [pid 303] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... futex resumed>) = 1 [pid 304] <... futex resumed>) = 1 [pid 303] <... futex resumed>) = 1 [pid 301] <... futex resumed>) = 0 [pid 299] <... futex resumed>) = 0 [pid 294] <... futex resumed>) = 0 [pid 309] futex(0x7f36e12226c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] futex(0x7f36e12226c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 303] futex(0x7f36e12226c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 301] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 301] <... futex resumed>) = 0 [pid 299] <... futex resumed>) = 0 [pid 294] <... futex resumed>) = 0 [pid 309] openat(AT_FDCWD, "./bus", O_RDWR|O_SYNC|O_NOATIME|O_CLOEXEC [pid 304] openat(AT_FDCWD, "./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 [pid 303] sendfile(6, 5, NULL, 131071 [pid 301] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... openat resumed>) = 6 [pid 304] <... openat resumed>) = 4 [ 21.136635][ T24] audit: type=1400 audit(1693408422.550:72): avc: denied { write } for pid=296 comm="syz-executor183" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 21.183202][ T300] EXT4-fs error (device loop0): ext4_mb_generate_buddy:807: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [pid 309] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... futex resumed>) = 1 [pid 304] <... futex resumed>) = 1 [pid 301] <... futex resumed>) = 0 [pid 297] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 296] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 294] <... futex resumed>) = 0 [pid 297] futex(0x7f36e12226dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] futex(0x7f36e12226dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] openat(AT_FDCWD, "./bus", O_RDONLY [pid 297] <... futex resumed>) = 0 [pid 296] <... futex resumed>) = 0 [pid 294] <... futex resumed>) = 0 [pid 304] <... openat resumed>) = 5 [ 21.198490][ T300] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 21.199009][ T303] EXT4-fs error (device loop2): ext4_mb_generate_buddy:807: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 21.210817][ T300] EXT4-fs (loop0): This should not happen!! Data will be lost [ 21.210817][ T300] [ 21.226811][ T302] EXT4-fs error (device loop1): ext4_mb_generate_buddy:807: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [pid 297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 294] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] futex(0x7f36e12226c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 297] <... mmap resumed>) = 0x7f36d8e15000 [pid 296] <... mmap resumed>) = 0x7f36d8e15000 [pid 294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... futex resumed>) = 0 [pid 299] futex(0x7f36e12226dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] mprotect(0x7f36d8e16000, 131072, PROT_READ|PROT_WRITE [pid 296] mprotect(0x7f36d8e16000, 131072, PROT_READ|PROT_WRITE [pid 294] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] openat(AT_FDCWD, "./bus", O_RDWR|O_SYNC|O_NOATIME|O_CLOEXEC [pid 299] <... futex resumed>) = 0 [pid 297] <... mprotect resumed>) = 0 [pid 296] <... mprotect resumed>) = 0 [pid 294] <... futex resumed>) = 0 [pid 304] <... openat resumed>) = 6 [pid 299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] rt_sigprocmask(SIG_BLOCK, ~[], [pid 294] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... mmap resumed>) = 0x7f36d8e15000 [pid 297] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] <... rt_sigprocmask resumed>[], 8) = 0 [pid 294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... futex resumed>) = 0 [pid 299] mprotect(0x7f36d8e16000, 131072, PROT_READ|PROT_WRITE [pid 297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f36d8e35990, parent_tid=0x7f36d8e35990, exit_signal=0, stack=0x7f36d8e15000, stack_size=0x20300, tls=0x7f36d8e356c0} [pid 296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f36d8e35990, parent_tid=0x7f36d8e35990, exit_signal=0, stack=0x7f36d8e15000, stack_size=0x20300, tls=0x7f36d8e356c0} [pid 294] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] write(6, "t", 1 [pid 299] <... mprotect resumed>) = 0 [pid 294] <... futex resumed>) = 0 [pid 304] <... write resumed>) = 1 [pid 299] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] <... clone3 resumed> => {parent_tid=[328]}, 88) = 328 [pid 296] <... clone3 resumed> => {parent_tid=[329]}, 88) = 329 [pid 294] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [], [pid 296] rt_sigprocmask(SIG_SETMASK, [], [pid 294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... futex resumed>) = 0 [pid 299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f36d8e35990, parent_tid=0x7f36d8e35990, exit_signal=0, stack=0x7f36d8e15000, stack_size=0x20300, tls=0x7f36d8e356c0} [pid 297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] sendfile(6, 5, NULL, 131071 [pid 297] futex(0x7f36e12226d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] futex(0x7f36e12226d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = 0 [pid 309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 301] <... futex resumed>) = 0 [pid 299] <... clone3 resumed> => {parent_tid=[330]}, 88) = 330 [pid 297] <... futex resumed>) = 0 [pid 296] <... futex resumed>) = 0 [pid 294] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] rt_sigprocmask(SIG_SETMASK, [], [pid 297] futex(0x7f36e12226dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] futex(0x7f36e12226dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] futex(0x7f36e12226d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7f36e12226dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 329 attached [pid 329] set_robust_list(0x7f36d8e359a0, 24) = 0 [pid 309] write(6, "t", 1 [pid 301] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 329] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_APPEND|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 7 ./strace-static-x86_64: Process 328 attached [pid 328] set_robust_list(0x7f36d8e359a0, 24 [pid 329] futex(0x7f36e12226dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 296] <... futex resumed>) = 0 [pid 296] futex(0x7f36e12226d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7f36e12226dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 329] mmap(0x20000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 328] <... set_robust_list resumed>) = 0 [pid 328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 328] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_APPEND|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 7 [pid 328] futex(0x7f36e12226dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 330 attached ) = 1 [pid 297] <... futex resumed>) = 0 [pid 297] futex(0x7f36e12226d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7f36e12226dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] set_robust_list(0x7f36d8e359a0, 24 [pid 328] mmap(0x20000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 330] <... set_robust_list resumed>) = 0 [pid 330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 330] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_APPEND|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 7 [pid 330] futex(0x7f36e12226dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 299] <... futex resumed>) = 0 [pid 299] futex(0x7f36e12226d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7f36e12226dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] mmap(0x20000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 309] <... write resumed>) = 1 [pid 309] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 301] <... futex resumed>) = 0 [pid 309] futex(0x7f36e12226c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 301] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 301] <... futex resumed>) = 0 [ 21.234854][ T300] EXT4-fs (loop0): Total free blocks count 0 [ 21.255564][ T300] EXT4-fs (loop0): Free/Dirty block details [ 21.262122][ T308] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 21.271244][ T300] EXT4-fs (loop0): free_blocks=2415919104 [ 21.277207][ T300] EXT4-fs (loop0): dirty_blocks=16 [ 21.281611][ T309] EXT4-fs error (device loop5): ext4_mb_generate_buddy:807: group 0, [ 21.282118][ T300] EXT4-fs (loop0): Block reservation details [pid 309] sendfile(6, 5, NULL, 131071 [pid 301] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] <... mount resumed>) = 0 [pid 300] <... sendfile resumed>) = 75 [pid 308] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 300] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... openat resumed>) = 3 [pid 300] <... futex resumed>) = 0 [pid 308] chdir("./bus" [pid 300] futex(0x7f36e12226c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 308] <... chdir resumed>) = 0 [pid 308] ioctl(4, LOOP_CLR_FD) = 0 [pid 308] close(4) = 0 [pid 308] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] <... futex resumed>) = 0 [pid 308] futex(0x7f36e12226c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 298] <... futex resumed>) = 0 [pid 308] openat(AT_FDCWD, "./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 [pid 298] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] <... openat resumed>) = 4 [pid 329] <... mmap resumed>) = 0x20000000 [pid 308] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 297] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 296] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 294] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 299] futex(0x7f36e12226ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] futex(0x7f36e12226ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] futex(0x7f36e12226dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 297] <... futex resumed>) = 0 [pid 296] <... futex resumed>) = 1 [pid 294] <... futex resumed>) = 0 [pid 308] <... futex resumed>) = 1 [pid 300] <... futex resumed>) = 0 [pid 299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 298] <... futex resumed>) = 0 [pid 297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 296] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 299] <... mmap resumed>) = 0x7f36d8df4000 [pid 298] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] openat(AT_FDCWD, "./bus", O_RDONLY [pid 300] pipe2( [pid 297] <... mmap resumed>) = 0x7f36d8df4000 [pid 294] <... mmap resumed>) = 0x7f36d8e15000 [pid 299] mprotect(0x7f36d8df5000, 131072, PROT_READ|PROT_WRITE [pid 297] mprotect(0x7f36d8df5000, 131072, PROT_READ|PROT_WRITE [pid 294] mprotect(0x7f36d8e16000, 131072, PROT_READ|PROT_WRITE [pid 299] <... mprotect resumed>) = 0 [pid 297] <... mprotect resumed>) = 0 [pid 294] <... mprotect resumed>) = 0 [pid 329] futex(0x7f36e12226dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... openat resumed>) = 5 [pid 299] rt_sigprocmask(SIG_BLOCK, ~[], [pid 298] <... futex resumed>) = 0 [pid 297] rt_sigprocmask(SIG_BLOCK, ~[], [pid 294] rt_sigprocmask(SIG_BLOCK, ~[], [pid 329] <... futex resumed>) = 0 [pid 308] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... rt_sigprocmask resumed>[], 8) = 0 [pid 298] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... rt_sigprocmask resumed>[], 8) = 0 [pid 294] <... rt_sigprocmask resumed>[], 8) = 0 [pid 329] futex(0x7f36e12226d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 308] <... futex resumed>) = 0 [pid 299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f36d8e14990, parent_tid=0x7f36d8e14990, exit_signal=0, stack=0x7f36d8df4000, stack_size=0x20300, tls=0x7f36d8e146c0} [pid 298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f36d8e14990, parent_tid=0x7f36d8e14990, exit_signal=0, stack=0x7f36d8df4000, stack_size=0x20300, tls=0x7f36d8e146c0} [pid 294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f36d8e35990, parent_tid=0x7f36d8e35990, exit_signal=0, stack=0x7f36d8e15000, stack_size=0x20300, tls=0x7f36d8e356c0}./strace-static-x86_64: Process 333 attached ./strace-static-x86_64: Process 332 attached [pid 308] futex(0x7f36e12226c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 300] <... pipe2 resumed>0x20000240, 0) = 0 [pid 298] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 333] set_robust_list(0x7f36d8e359a0, 24 [pid 332] set_robust_list(0x7f36d8e149a0, 24 [pid 308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 300] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... clone3 resumed> => {parent_tid=[331]}, 88) = 331 [pid 298] <... futex resumed>) = 0 [pid 297] <... clone3 resumed> => {parent_tid=[332]}, 88) = 332 [pid 294] <... clone3 resumed> => {parent_tid=[333]}, 88) = 333 [pid 299] rt_sigprocmask(SIG_SETMASK, [], [pid 297] rt_sigprocmask(SIG_SETMASK, [], [pid 294] rt_sigprocmask(SIG_SETMASK, [], [pid 333] <... set_robust_list resumed>) = 0 [pid 332] <... set_robust_list resumed>) = 0 [pid 308] openat(AT_FDCWD, "./bus", O_RDWR|O_SYNC|O_NOATIME|O_CLOEXEC [pid 300] <... futex resumed>) = 1 [pid 299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 298] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] <... futex resumed>) = 0 [pid 294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] futex(0x7f36e12226e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] futex(0x7f36e12226e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] exit_group(0 [pid 294] futex(0x7f36e12226d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... openat resumed>) = 6 [pid 329] <... futex resumed>) = ? [pid 299] <... futex resumed>) = 0 [pid 297] <... futex resumed>) = 0 [pid 296] <... exit_group resumed>) = ? [pid 294] <... futex resumed>) = 0 [pid 333] rt_sigprocmask(SIG_SETMASK, [], [pid 332] rt_sigprocmask(SIG_SETMASK, [], [pid 329] +++ exited with 0 +++ [pid 308] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] futex(0x7f36e12226ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] futex(0x7f36e12226ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] futex(0x7f36e12226dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 331 attached [pid 333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 308] <... futex resumed>) = 1 [pid 300] +++ exited with 0 +++ [pid 298] <... futex resumed>) = 0 [pid 296] +++ exited with 0 +++ [pid 331] set_robust_list(0x7f36d8e149a0, 24 [pid 288] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=0, si_stime=11} --- [pid 332] pipe2( [pid 308] write(6, "t", 1 [pid 298] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 333] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_APPEND|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 298] <... futex resumed>) = 0 [pid 298] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 331] <... set_robust_list resumed>) = 0 [pid 331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 288] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 331] pipe2( [pid 288] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... write resumed>) = 1 [pid 308] futex(0x7f36e12226cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 288] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... futex resumed>) = 1 [pid 298] <... futex resumed>) = 0 [pid 308] futex(0x7f36e12226c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] futex(0x7f36e12226c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 288] <... openat resumed>) = 3 [pid 308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 298] <... futex resumed>) = 0 [pid 288] newfstatat(3, "", [pid 308] sendfile(6, 5, NULL, 131071 [pid 298] futex(0x7f36e12226cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 288] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 21.282134][ T309] block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 21.290412][ T300] EXT4-fs (loop0): i_reserved_data_blocks=1 [ 21.296706][ T304] EXT4-fs error (device loop4): ext4_mb_generate_buddy:807: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [pid 288] getdents64(3, 0x55555712b730 /* 4 entries */, 32768) = 104 [pid 333] <... open resumed>) = 7 [pid 333] futex(0x7f36e12226dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = 0 [pid 294] futex(0x7f36e12226d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] futex(0x7f36e12226dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 333] <... futex resumed>) = 1 [pid 333] mmap(0x20000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 288] umount2("./0/bus", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 299] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 297] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 301] futex(0x7f36e12226dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f36d8e15000 [pid 301] mprotect(0x7f36d8e16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f36d8e35990, parent_tid=0x7f36d8e35990, exit_signal=0, stack=0x7f36d8e15000, stack_size=0x20300, tls=0x7f36d8e356c0} => {parent_tid=[334]}, 88) = 334 [pid 301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 301] futex(0x7f36e12226d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 21.336210][ T309] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 21.345675][ T308] EXT4-fs error (device loop3): ext4_mb_generate_buddy:807: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 21.352424][ T24] audit: type=1400 audit(1693408422.550:73): avc: denied { add_name } for pid=296 comm="syz-executor183" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 21.366226][ T308] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [pid 301] futex(0x7f36e12226dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 334 attached [pid 334] set_robust_list(0x7f36d8e359a0, 24) = 0 [pid 334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 334] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_APPEND|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 7 [pid 334] futex(0x7f36e12226dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... futex resumed>) = 0 [pid 301] futex(0x7f36e12226d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f36e12226dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 334] <... futex resumed>) = 1 [pid 334] mmap(0x20000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 298] futex(0x7f36e12226dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 21.388152][ T302] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 21.398868][ T308] EXT4-fs (loop3): This should not happen!! Data will be lost [ 21.398868][ T308] [ 21.411306][ T303] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 21.420213][ T308] EXT4-fs (loop3): Total free blocks count 0 [ 21.432034][ T7] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [pid 298] <... futex resumed>) = 0 [pid 294] futex(0x7f36e12226ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f36d8e15000 [pid 298] mprotect(0x7f36d8e16000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f36d8e35990, parent_tid=0x7f36d8e35990, exit_signal=0, stack=0x7f36d8e15000, stack_size=0x20300, tls=0x7f36d8e356c0} => {parent_tid=[335]}, 88) = 335 [pid 298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 298] futex(0x7f36e12226d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] futex(0x7f36e12226dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 335 attached