./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor585593405

<...>
d  { noatsecure } for  pid=216 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   11.377736][   T24] audit: type=1400 audit(1684300439.480:63): avc:  denied  { write } for  pid=216 comm="sh" path="pipe:[13723]" dev="pipefs" ino=13723 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[   11.382095][   T24] audit: type=1400 audit(1684300439.480:64): avc:  denied  { rlimitinh } for  pid=216 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   11.386530][   T24] audit: type=1400 audit(1684300439.480:65): avc:  denied  { siginh } for  pid=216 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.0.132' (ECDSA) to the list of known hosts.
execve("./syz-executor585593405", ["./syz-executor585593405"], 0x7fff7b029920 /* 10 vars */) = 0
brk(NULL)                               = 0x555555776000
brk(0x555555776c40)                     = 0x555555776c40
arch_prctl(ARCH_SET_FS, 0x555555776300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
set_tid_address(0x5555557765d0)         = 286
set_robust_list(0x5555557765e0, 24)     = 0
rt_sigaction(SIGRTMIN, {sa_handler=0x7f1505d918e0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f1505d91fb0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f1505d91980, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1505d91fb0}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor585593405", 4096) = 27
brk(0x555555797c40)                     = 0x555555797c40
brk(0x555555798000)                     = 0x555555798000
mprotect(0x7f1505e53000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
getpid()                                = 286
openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3
write(3, "10000000000", 11)             = 11
close(3)                                = 0
openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3
write(3, "20", 2)                       = 2
close(3)                                = 0
openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3
write(3, "1", 1)                        = 1
close(3)                                = 0
openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3
write(3, "0", 1)                        = 1
close(3)                                = 0
openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3
write(3, "0", 1)                        = 1
close(3)                                = 0
openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3
write(3, "1", 1)                        = 1
close(3)                                = 0
openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
write(3, "100", 3)                      = 3
close(3)                                = 0
openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3
write(3, "0", 1)                        = 1
close(3)                                = 0
openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3
write(3, "0", 1)                        = 1
close(3)                                = 0
openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3
write(3, "7 4 1 3", 7)                  = 7
close(3)                                = 0
openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3
write(3, "1", 1)                        = 1
close(3)                                = 0
openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3
write(3, "1", 1)                        = 1
close(3)                                = 0
openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3
write(3, "0", 1)                        = 1
close(3)                                = 0
openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3
write(3, "286", 3)                      = 3
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555557765d0) = 287
./strace-static-x86_64: Process 287 attached
[pid   286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   287] set_robust_list(0x5555557765e0, 24 <unfinished ...>
[pid   286] <... clone resumed>, child_tidptr=0x5555557765d0) = 288
[pid   286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 288 attached
 <unfinished ...>
[pid   287] <... set_robust_list resumed>) = 0
[pid   286] <... clone resumed>, child_tidptr=0x5555557765d0) = 289
[pid   286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   288] set_robust_list(0x5555557765e0, 24 <unfinished ...>
[pid   287] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 289 attached
 <unfinished ...>
[pid   286] <... clone resumed>, child_tidptr=0x5555557765d0) = 290
[pid   286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 290 attached
 <unfinished ...>
[pid   289] set_robust_list(0x5555557765e0, 24 <unfinished ...>
[pid   288] <... set_robust_list resumed>) = 0
[pid   287] <... openat resumed>)       = 3
[pid   289] <... set_robust_list resumed>) = 0
[pid   288] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid   287] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   289] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid   288] <... openat resumed>)       = 3
[pid   287] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   289] <... openat resumed>)       = 3
[pid   288] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   287] close(3 <unfinished ...>
[pid   289] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   288] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   287] <... close resumed>)        = 0
[pid   289] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   288] close(3 <unfinished ...>
[pid   287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   289] close(3 <unfinished ...>
[pid   288] <... close resumed>)        = 0
[pid   289] <... close resumed>)        = 0
[pid   288] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   287] <... clone resumed>, child_tidptr=0x5555557765d0) = 294
[pid   290] set_robust_list(0x5555557765e0, 24 <unfinished ...>
[pid   289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   290] <... set_robust_list resumed>) = 0
[pid   288] <... clone resumed>, child_tidptr=0x5555557765d0) = 295
[pid   286] <... clone resumed>, child_tidptr=0x5555557765d0) = 291
[pid   290] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid   289] <... clone resumed>, child_tidptr=0x5555557765d0) = 296
[pid   286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   290] <... openat resumed>)       = 3
[pid   290] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 291 attached
 <unfinished ...>
[pid   286] <... clone resumed>, child_tidptr=0x5555557765d0) = 297
[pid   290] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   291] set_robust_list(0x5555557765e0, 24) = 0
./strace-static-x86_64: Process 294 attached
./strace-static-x86_64: Process 295 attached
[pid   291] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid   290] close(3 <unfinished ...>
[pid   295] set_robust_list(0x5555557765e0, 24 <unfinished ...>
[pid   291] <... openat resumed>)       = 3
[pid   290] <... close resumed>)        = 0
[pid   295] <... set_robust_list resumed>) = 0
[pid   294] set_robust_list(0x5555557765e0, 24 <unfinished ...>
[pid   291] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   290] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 297 attached
./strace-static-x86_64: Process 296 attached
 <unfinished ...>
[pid   295] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   297] set_robust_list(0x5555557765e0, 24 <unfinished ...>
[pid   296] set_robust_list(0x5555557765e0, 24 <unfinished ...>
[pid   297] <... set_robust_list resumed>) = 0
[pid   296] <... set_robust_list resumed>) = 0
[pid   297] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid   296] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   290] <... clone resumed>, child_tidptr=0x5555557765d0) = 299
[pid   297] <... openat resumed>)       = 3
[pid   296] <... prctl resumed>)        = 0
[pid   297] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   296] setpgid(0, 0 <unfinished ...>
[pid   297] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   296] <... setpgid resumed>)      = 0
[   20.704290][   T24] audit: type=1400 audit(1684300448.820:66): avc:  denied  { execmem } for  pid=286 comm="syz-executor585" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   20.717091][   T24] audit: type=1400 audit(1684300448.830:67): avc:  denied  { read write } for  pid=287 comm="syz-executor585" name="loop0" dev="devtmpfs" ino=111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[   20.721955][   T24] audit: type=1400 audit(1684300448.830:68): avc:  denied  { open } for  pid=287 comm="syz-executor585" path="/dev/loop0" dev="devtmpfs" ino=111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid   297] close(3 <unfinished ...>
[pid   296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   297] <... close resumed>)        = 0
[pid   296] <... openat resumed>)       = 3
[pid   297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   296] write(3, "1000", 4)         = 4
[pid   297] <... clone resumed>, child_tidptr=0x5555557765d0) = 300
[pid   296] close(3)                    = 0
[pid   296] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1505d60000
[pid   296] mprotect(0x7f1505d61000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   296] clone(child_stack=0x7f1505d803f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[301], tls=0x7f1505d80700, child_tidptr=0x7f1505d809d0) = 301
[pid   296] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 300 attached
 <unfinished ...>
[pid   300] set_robust_list(0x5555557765e0, 24) = 0
[pid   300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   300] setpgid(0, 0)               = 0
[pid   300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   300] write(3, "1000", 4)         = 4
[pid   300] close(3)                    = 0
[pid   300] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1505d60000
[pid   300] mprotect(0x7f1505d61000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   300] clone(child_stack=0x7f1505d803f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[302], tls=0x7f1505d80700, child_tidptr=0x7f1505d809d0) = 302
[pid   300] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   300] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 302 attached
 <unfinished ...>
[pid   302] set_robust_list(0x7f1505d809e0, 24) = 0
[pid   302] memfd_create("syzkaller", 0) = 3
[pid   302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f14fd960000
[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"..., 524288 <unfinished ...>
[pid   294] <... set_robust_list resumed>) = 0
[pid   291] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   295] <... prctl resumed>)        = 0
[pid   295] setpgid(0, 0 <unfinished ...>
[pid   294] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   291] close(3 <unfinished ...>
[pid   295] <... setpgid resumed>)      = 0
[pid   294] <... prctl resumed>)        = 0
[pid   291] <... close resumed>)        = 0
[pid   295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   294] setpgid(0, 0 <unfinished ...>
[pid   291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   295] <... openat resumed>)       = 3
[pid   294] <... setpgid resumed>)      = 0
[pid   295] write(3, "1000", 4 <unfinished ...>
[pid   291] <... clone resumed>, child_tidptr=0x5555557765d0) = 303
[pid   295] <... write resumed>)        = 4
[pid   294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   295] close(3)                    = 0
[pid   294] <... openat resumed>)       = 3
[pid   295] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   294] write(3, "1000", 4 <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   294] <... write resumed>)        = 4
[pid   295] <... mmap resumed>)         = 0x7f1505d60000
[pid   294] close(3 <unfinished ...>
[pid   295] mprotect(0x7f1505d61000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   294] <... close resumed>)        = 0
[pid   295] <... mprotect resumed>)     = 0
[pid   294] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   295] clone(child_stack=0x7f1505d803f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   294] <... futex resumed>)        = 0
[pid   294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   295] <... clone resumed>, parent_tid=[304], tls=0x7f1505d80700, child_tidptr=0x7f1505d809d0) = 304
[pid   294] <... mmap resumed>)         = 0x7f1505d60000
[pid   295] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   294] mprotect(0x7f1505d61000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   294] <... mprotect resumed>)     = 0
[pid   294] clone(child_stack=0x7f1505d803f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[305], tls=0x7f1505d80700, child_tidptr=0x7f1505d809d0) = 305
[pid   294] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   302] <... write resumed>)        = 524288
[pid   302] munmap(0x7f14fd960000, 524288) = 0
[pid   302] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4
[pid   294] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   302] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 304 attached
./strace-static-x86_64: Process 301 attached
./strace-static-x86_64: Process 303 attached
./strace-static-x86_64: Process 299 attached
./strace-static-x86_64: Process 305 attached
 <unfinished ...>
[pid   304] set_robust_list(0x7f1505d809e0, 24 <unfinished ...>
[pid   301] set_robust_list(0x7f1505d809e0, 24 <unfinished ...>
[pid   305] set_robust_list(0x7f1505d809e0, 24 <unfinished ...>
[pid   304] <... set_robust_list resumed>) = 0
[pid   303] set_robust_list(0x5555557765e0, 24 <unfinished ...>
[pid   299] set_robust_list(0x5555557765e0, 24 <unfinished ...>
[pid   304] memfd_create("syzkaller", 0 <unfinished ...>
[pid   301] <... set_robust_list resumed>) = 0
[pid   305] <... set_robust_list resumed>) = 0
[pid   304] <... memfd_create resumed>) = 3
[pid   303] <... set_robust_list resumed>) = 0
[pid   301] memfd_create("syzkaller", 0 <unfinished ...>
[pid   299] <... set_robust_list resumed>) = 0
[pid   302] <... ioctl resumed>)        = 0
[pid   302] close(3)                    = 0
[pid   304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   301] <... memfd_create resumed>) = 3
[pid   299] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   304] <... mmap resumed>)         = 0x7f14fd960000
[pid   301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   299] <... prctl resumed>)        = 0
[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"..., 524288 <unfinished ...>
[pid   301] <... mmap resumed>)         = 0x7f14fd960000
[pid   299] setpgid(0, 0 <unfinished ...>
[pid   304] <... write resumed>)        = 524288
[pid   301] 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"..., 524288 <unfinished ...>
[pid   299] <... setpgid resumed>)      = 0
[pid   299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   305] memfd_create("syzkaller", 0 <unfinished ...>
[pid   304] munmap(0x7f14fd960000, 524288 <unfinished ...>
[pid   303] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   302] mkdir("./file0", 0777 <unfinished ...>
[pid   299] <... openat resumed>)       = 3
[pid   299] write(3, "1000", 4)         = 4
[pid   299] close(3 <unfinished ...>
[pid   304] <... munmap resumed>)       = 0
[pid   299] <... close resumed>)        = 0
[pid   299] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   304] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid   303] <... prctl resumed>)        = 0
[pid   299] <... mmap resumed>)         = 0x7f1505d60000
[pid   299] mprotect(0x7f1505d61000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   304] <... openat resumed>)       = 4
[pid   303] setpgid(0, 0 <unfinished ...>
[pid   299] clone(child_stack=0x7f1505d803f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   301] <... write resumed>)        = 524288
[pid   304] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   303] <... setpgid resumed>)      = 0
[pid   301] munmap(0x7f14fd960000, 524288./strace-static-x86_64: Process 307 attached
 <unfinished ...>
[pid   305] <... memfd_create resumed>) = 3
[pid   299] <... clone resumed>, parent_tid=[307], tls=0x7f1505d80700, child_tidptr=0x7f1505d809d0) = 307
[pid   299] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   307] set_robust_list(0x7f1505d809e0, 24 <unfinished ...>
[pid   305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   301] <... munmap resumed>)       = 0
[pid   299] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   307] <... set_robust_list resumed>) = 0
[pid   305] <... mmap resumed>)         = 0x7f14fd960000
[pid   301] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid   303] <... openat resumed>)       = 3
[pid   303] write(3, "1000", 4)         = 4
[pid   303] close(3)                    = 0
[pid   303] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   307] memfd_create("syzkaller", 0 <unfinished ...>
[pid   303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   307] <... memfd_create resumed>) = 3
[pid   305] 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"..., 524288 <unfinished ...>
[pid   303] <... mmap resumed>)         = 0x7f1505d60000
[pid   307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   303] mprotect(0x7f1505d61000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   302] <... mkdir resumed>)        = 0
[pid   303] <... mprotect resumed>)     = 0
[pid   307] <... mmap resumed>)         = 0x7f14fd960000
[pid   302] mount("/dev/loop5", "./file0", "ext4", MS_NOSUID|MS_SILENT|MS_STRICTATIME, "grpquota,debug_want_extra_isize=0x0000000000000082,nodiscard,nojournal_checksum,data=ordered,init_it"... <unfinished ...>
[   20.751117][   T24] audit: type=1400 audit(1684300448.840:69): avc:  denied  { ioctl } for  pid=287 comm="syz-executor585" path="/dev/loop0" dev="devtmpfs" ino=111 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid   303] clone(child_stack=0x7f1505d803f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[309], tls=0x7f1505d80700, child_tidptr=0x7f1505d809d0) = 309
./strace-static-x86_64: Process 309 attached
[pid   307] 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"..., 524288 <unfinished ...>
[pid   305] <... write resumed>)        = 524288
[pid   303] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   309] set_robust_list(0x7f1505d809e0, 24 <unfinished ...>
[pid   307] <... write resumed>)        = 524288
[pid   305] munmap(0x7f14fd960000, 524288 <unfinished ...>
[pid   309] <... set_robust_list resumed>) = 0
[pid   305] <... munmap resumed>)       = 0
[pid   309] memfd_create("syzkaller", 0 <unfinished ...>
[pid   305] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid   309] <... memfd_create resumed>) = 3
[pid   307] munmap(0x7f14fd960000, 524288 <unfinished ...>
[pid   309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   307] <... munmap resumed>)       = 0
[pid   309] <... mmap resumed>)         = 0x7f14fd960000
[pid   307] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[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"..., 524288 <unfinished ...>
[pid   307] <... openat resumed>)       = 4
[pid   305] <... openat resumed>)       = 4
[pid   304] <... ioctl resumed>)        = 0
[pid   301] <... openat resumed>)       = 4
[pid   307] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   305] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   304] close(3 <unfinished ...>
[pid   301] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   304] <... close resumed>)        = 0
[pid   304] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   304] mount("/dev/loop1", "./file0", "ext4", MS_NOSUID|MS_SILENT|MS_STRICTATIME, "grpquota,debug_want_extra_isize=0x0000000000000082,nodiscard,nojournal_checksum,data=ordered,init_it"... <unfinished ...>
[pid   309] <... write resumed>)        = 524288
[pid   303] <... futex resumed>)        = 0
[pid   309] munmap(0x7f14fd960000, 524288 <unfinished ...>
[pid   305] <... ioctl resumed>)        = 0
[pid   303] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   309] <... munmap resumed>)       = 0
[pid   305] close(3 <unfinished ...>
[pid   309] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid   305] <... close resumed>)        = 0
[pid   305] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   305] mount("/dev/loop0", "./file0", "ext4", MS_NOSUID|MS_SILENT|MS_STRICTATIME, "grpquota,debug_want_extra_isize=0x0000000000000082,nodiscard,nojournal_checksum,data=ordered,init_it"... <unfinished ...>
[pid   307] <... ioctl resumed>)        = 0
[pid   307] close(3 <unfinished ...>
[pid   301] <... ioctl resumed>)        = 0
[pid   309] <... openat resumed>)       = 4
[pid   307] <... close resumed>)        = 0
[pid   301] close(3 <unfinished ...>
[pid   309] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   307] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   307] mount("/dev/loop3", "./file0", "ext4", MS_NOSUID|MS_SILENT|MS_STRICTATIME, "grpquota,debug_want_extra_isize=0x0000000000000082,nodiscard,nojournal_checksum,data=ordered,init_it"... <unfinished ...>
[pid   301] <... close resumed>)        = 0
[pid   301] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[   20.810445][   T24] audit: type=1400 audit(1684300448.930:70): avc:  denied  { mounton } for  pid=300 comm="syz-executor585" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[pid   301] mount("/dev/loop2", "./file0", "ext4", MS_NOSUID|MS_SILENT|MS_STRICTATIME, "grpquota,debug_want_extra_isize=0x0000000000000082,nodiscard,nojournal_checksum,data=ordered,init_it"... <unfinished ...>
[pid   309] <... ioctl resumed>)        = 0
[pid   309] close(3)                    = 0
[pid   309] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   309] mount("/dev/loop4", "./file0", "ext4", MS_NOSUID|MS_SILENT|MS_STRICTATIME, "grpquota,debug_want_extra_isize=0x0000000000000082,nodiscard,nojournal_checksum,data=ordered,init_it"... <unfinished ...>
[pid   302] <... mount resumed>)        = 0
[pid   302] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   302] chdir("./file0")            = 0
[pid   302] ioctl(4, LOOP_CLR_FD)       = 0
[   20.838546][  T302] EXT4-fs (loop5): mounted filesystem without journal. Opts: grpquota,debug_want_extra_isize=0x0000000000000082,nodiscard,nojournal_checksum,data=ordered,init_itable=0x0000000000000003,usrquota,max_dir_size_kb=0x00000000000040d2,,errors=continue
[   20.866203][  T304] EXT4-fs (loop1): mounted filesystem without journal. Opts: grpquota,debug_want_extra_isize=0x0000000000000082,nodiscard,nojournal_checksum,data=ordered,init_itable=0x0000000000000003,usrquota,max_dir_size_kb=0x00000000000040d2,,errors=continue
[pid   302] close(4)                    = 0
[pid   302] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   302] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   304] <... mount resumed>)        = 0
[pid   300] <... futex resumed>)        = 0
[pid   304] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   304] chdir("./file0")            = 0
[pid   304] ioctl(4, LOOP_CLR_FD)       = 0
[pid   304] close(4)                    = 0
[pid   304] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   295] <... futex resumed>)        = 0
[pid   304] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid   295] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   304] <... open resumed>)         = 4
[pid   304] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   304] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT|O_NOATIME|FASYNC, 000) = 5
[pid   304] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   304] ftruncate(5, 33587199)      = 0
[pid   304] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[   20.890094][   T24] audit: type=1400 audit(1684300448.990:71): avc:  denied  { mount } for  pid=300 comm="syz-executor585" name="/" dev="loop5" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   20.893685][  T301] EXT4-fs (loop2): mounted filesystem without journal. Opts: grpquota,debug_want_extra_isize=0x0000000000000082,nodiscard,nojournal_checksum,data=ordered,init_itable=0x0000000000000003,usrquota,max_dir_size_kb=0x00000000000040d2,,errors=continue
[   20.914067][  T309] EXT4-fs (loop4): mounted filesystem without journal. Opts: grpquota,debug_want_extra_isize=0x0000000000000082,nodiscard,nojournal_checksum,data=ordered,init_itable=0x0000000000000003,usrquota,max_dir_size_kb=0x00000000000040d2,,errors=continue
[pid   304] sendfile(4, 5, NULL, 281474978811909 <unfinished ...>
[pid   300] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   295] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   295] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   295] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   295] futex(0x7f1505e5979c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f14fd9bf000
[pid   295] mprotect(0x7f14fd9c0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   295] clone(child_stack=0x7f14fd9df3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[322], tls=0x7f14fd9df700, child_tidptr=0x7f14fd9df9d0) = 322
[pid   295] futex(0x7f1505e59798, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7f1505e5979c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   304] <... sendfile resumed>)     = 376832
[pid   304] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   304] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 322 attached
 <unfinished ...>
[pid   309] <... mount resumed>)        = 0
[pid   305] <... mount resumed>)        = 0
[pid   301] <... mount resumed>)        = 0
[pid   300] <... futex resumed>)        = 1
[pid   322] set_robust_list(0x7f14fd9df9e0, 24 <unfinished ...>
[pid   305] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   301] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   300] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   322] <... set_robust_list resumed>) = 0
[pid   305] <... openat resumed>)       = 3
[pid   301] <... openat resumed>)       = 3
[pid   322] mount("/dev/loop1", "./bus", NULL, MS_BIND, NULL <unfinished ...>
[pid   305] chdir("./file0" <unfinished ...>
[pid   301] chdir("./file0" <unfinished ...>
[pid   322] <... mount resumed>)        = 0
[pid   305] <... chdir resumed>)        = 0
[pid   301] <... chdir resumed>)        = 0
[pid   322] futex(0x7f1505e5979c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   305] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   301] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   322] <... futex resumed>)        = 1
[pid   305] <... ioctl resumed>)        = 0
[pid   301] <... ioctl resumed>)        = 0
[pid   295] <... futex resumed>)        = 0
[pid   322] futex(0x7f1505e59798, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   305] close(4 <unfinished ...>
[pid   301] close(4 <unfinished ...>
[pid   295] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   305] <... close resumed>)        = 0
[pid   304] <... futex resumed>)        = 0
[pid   302] <... futex resumed>)        = 0
[pid   301] <... close resumed>)        = 0
[pid   295] <... futex resumed>)        = 1
[pid   305] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   304] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid   302] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid   301] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[   20.948405][   T24] audit: type=1400 audit(1684300449.060:72): avc:  denied  { write } for  pid=295 comm="syz-executor585" name="/" dev="loop1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[   20.969201][  T305] EXT4-fs (loop0): mounted filesystem without journal. Opts: grpquota,debug_want_extra_isize=0x0000000000000082,nodiscard,nojournal_checksum,data=ordered,init_itable=0x0000000000000003,usrquota,max_dir_size_kb=0x00000000000040d2,,errors=continue
[pid   295] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   305] <... futex resumed>)        = 1
[pid   304] <... open resumed>)         = 6
[pid   302] <... open resumed>)         = 4
[pid   301] <... futex resumed>)        = 1
[pid   296] <... futex resumed>)        = 0
[pid   294] <... futex resumed>)        = 0
[pid   305] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   304] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   302] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   301] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   296] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   294] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   305] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   304] <... futex resumed>)        = 1
[pid   302] <... futex resumed>)        = 1
[pid   301] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   300] <... futex resumed>)        = 0
[pid   296] <... futex resumed>)        = 0
[pid   295] <... futex resumed>)        = 0
[pid   294] <... futex resumed>)        = 0
[pid   305] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid   304] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   302] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   301] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid   300] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   295] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   294] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   305] <... open resumed>)         = 4
[pid   304] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   302] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   301] <... open resumed>)         = 4
[pid   300] <... futex resumed>)        = 0
[pid   295] <... futex resumed>)        = 0
[pid   305] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   304] writev(6, [{iov_base="\x46\xbd\x26\x2b\x9e\x1b\xd9\xd3\x26\x37\x9b\x13\x50\x4d\xd6\xfd\xac\xc6\xcd\x5c\x17\x5a\xf2\xf8\x3d\x3a\x25\xb3\x2e\xa9\x45\xdb\x18\x66\x51\x15\x58\xa3\x92\x3f\xd7\xe7\x7e\xa6\x78\x86\xda\x01\x84\x34\x97\x0f\x86\x4b\x4c\x1a\x9c\x55\xcc\x54\xda\xf1\x12\x18\xab\x55\x1b\xe9\xde\xac\x81\xf1\x65\x69\xe1\xaa\x70\x43\x8e\xc3\x22\xed\x93\xf4\xc0\x4b\xa6\xe8\xb6\xe2\x84\x79\x03\xf8\x58\x76\xe9\x86\x0c\x5f"..., iov_len=110}, {iov_base="\xc1\x3f\x4e\x2a\xf2\x9b\xb0\x30\x8e\x36\x30\x3a\x7b\x03\x07\xff\x53\x78\x57\xa1\x6d\xd7\x4e\x47\xe6\x96\xf9\xc7\xae\xb7\x27\x65\xad\xba\xd6\x1d\x04\xf9\x3e\x4a\x5e\xb4\x13\x71\x31\x71\xdf\xd3\x73\x1b\x74\xf0\xc9\x3a\xd2\x70\x2a\x1c\x9d\x49\x28\x98\x77\x69\xf2\x25\xe4\xdc\x5d\xd8\xe8\xae\x3c\x31\xc0\x8d\x5d\x1e\x0b\x49\x27\xb0\x26\x15\x35\x2b\x6b\x55\x7b\x48\x9e\x35\x2d\x07\x87\x94\x37\x47\x8d\xc8"..., iov_len=132}, {iov_base="\x34\xee\x3a\x2c\x11\x7e\x44\x32\x79\xe6\x7b\xfc\xba\x85\xae\xb6\xdb\x8c\x5b\x21\x8f\xcc\x1d\xca\xc5\x59\xe0\x50\x48\xcd\x76\xcc\xd8\x54\xd7\x37\xc4\x62\x2b\xc8\xc9\xb8\x2f\x51\x77\xf2\x27\x84\x1f\xe1\xf5\x3f\x0f\x8f\x7c\x3a\x80\x03\x7c\xcb\x36\xb4\x17\x6e\xbe\x9a\xe1\x11\xe8\x40\xd9\xaa\xeb\x99\xb6\xf2\x46\xea\xc6\x9a\x85\xa3\xb5\x2a\xff\x52\x0e\x11\x30\xdd\x72\x1b\xa2\x94\xe5\x5b\xcf\x3b\xdb\xba"..., iov_len=107}, {iov_base="\x6f\x90\x8a\xac\xf0\xcd\x92\x31\x69\xf3\x7d\xc7\x3a\x11\xe2\x5b\x26\x19\xc4\xd9\x1a\x04\xf2\x63\xb3\xae\xa7\xf4\xfd\x5f\x01\xe6\x24\x96\xe4\x4b\x83\x1e\xdd\x5d\x30\x8a\x6c\x79\xe7\xc4\x59\x94\x23\x86\x48\x8a\xd9\x3a\xe3\x73\x40\x83\x57\xbd\x80\x46\xdf\x53\x40\x7d\x3d\x76\x32\x45\x45\x98\x58\x72\x63\x6d\x29\xbb\xf1\x30\xa5\xff\x4b\x4a\x57\x85\x84\xc8\x24\x5c\x5a\x12\x7c\xb3\x6c\x64\x5b\xb3\x4c\x74"..., iov_len=176}, {iov_base="\xd3\x25\xd5\x12\x13\x6e\xfa\xc1\x9c\x33\x47\x09\xcf\x13\xf9\xa9\xac\x3d\x2d\x36\x20\x64\x0a\x56\xdf\x58\xa5\x62\xea\x3d\x18\x2f\xfa\x18\xdc\x34\x7b\xdd\x8f\xcb\x18\xbb\x6f\x22\x3b\x6f\xe0\xc6\x40\xbf\x1b\xd8\xa3\x55\xb0\x41\xab\xa3\x3b\x90\x0c\x45\x25\xff\x33\xe2\x0e\x34\x9f\xd2\xba\x0b\x3e\x61\x10\xfe\x0e\x4e\x57\x8b\x0b\x20\x65\xd2\x91\x95\x3e\x5c\x09\x2a\x9f\x20\x6e\x04\xe8\xe8\x2b\x1a\xc7\x1b"..., iov_len=574}], 5 <unfinished ...>
[pid   302] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid   301] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   295] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   305] <... futex resumed>)        = 1
[pid   304] <... writev resumed>)       = 1099
[pid   302] <... open resumed>)         = 5
[pid   301] <... futex resumed>)        = 1
[pid   296] <... futex resumed>)        = 0
[pid   294] <... futex resumed>)        = 0
[pid   305] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   304] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   302] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   301] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   296] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   294] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   305] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   304] <... futex resumed>)        = 1
[pid   302] <... futex resumed>)        = 1
[pid   301] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   300] <... futex resumed>)        = 0
[pid   296] <... futex resumed>)        = 0
[pid   295] <... futex resumed>)        = 0
[pid   294] <... futex resumed>)        = 0
[pid   305] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid   304] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   302] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   301] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid   300] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   295] exit_group(0 <unfinished ...>
[pid   294] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   322] <... futex resumed>)        = ?
[pid   305] <... open resumed>)         = 5
[pid   304] <... futex resumed>)        = ?
[pid   302] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   301] <... open resumed>)         = 5
[pid   300] <... futex resumed>)        = 0
[pid   295] <... exit_group resumed>)   = ?
[pid   322] +++ exited with 0 +++
[pid   305] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   304] +++ exited with 0 +++
[pid   302] ftruncate(5, 33587199 <unfinished ...>
[pid   301] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   305] <... futex resumed>)        = 1
[pid   302] <... ftruncate resumed>)    = 0
[pid   301] <... futex resumed>)        = 1
[pid   296] <... futex resumed>)        = 0
[pid   294] <... futex resumed>)        = 0
[pid   309] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   305] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   302] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   301] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   296] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   294] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   309] <... openat resumed>)       = 3
[pid   305] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   302] <... futex resumed>)        = 1
[pid   301] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   300] <... futex resumed>)        = 0
[pid   296] <... futex resumed>)        = 0
[pid   294] <... futex resumed>)        = 0
[pid   309] chdir("./file0" <unfinished ...>
[pid   305] ftruncate(5, 33587199 <unfinished ...>
[pid   302] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   301] ftruncate(5, 33587199 <unfinished ...>
[pid   300] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   309] <... chdir resumed>)        = 0
[pid   305] <... ftruncate resumed>)    = 0
[pid   302] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   301] <... ftruncate resumed>)    = 0
[pid   300] <... futex resumed>)        = 0
[pid   309] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   305] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   302] sendfile(4, 5, NULL, 281474978811909 <unfinished ...>
[pid   301] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   309] <... ioctl resumed>)        = 0
[pid   305] <... futex resumed>)        = 1
[pid   301] <... futex resumed>)        = 1
[pid   296] <... futex resumed>)        = 0
[pid   294] <... futex resumed>)        = 0
[   20.995533][   T24] audit: type=1400 audit(1684300449.060:73): avc:  denied  { add_name } for  pid=295 comm="syz-executor585" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[   21.024758][   T24] audit: type=1400 audit(1684300449.060:74): avc:  denied  { create } for  pid=295 comm="syz-executor585" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[pid   309] close(4 <unfinished ...>
[pid   305] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   301] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   296] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   294] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   305] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   301] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   296] <... futex resumed>)        = 0
[pid   294] <... futex resumed>)        = 0
[pid   305] sendfile(4, 5, NULL, 281474978811909 <unfinished ...>
[pid   296] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   301] sendfile(4, 5, NULL, 281474978811909 <unfinished ...>
[pid   309] <... close resumed>)        = 0
[pid   309] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   303] <... futex resumed>)        = 0
[pid   303] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   303] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   309] <... futex resumed>)        = 1
[pid   309] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000) = 4
[pid   309] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   303] <... futex resumed>)        = 0
[pid   303] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   309] <... futex resumed>)        = 1
[pid   303] <... futex resumed>)        = 0
[pid   309] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid   303] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   309] <... open resumed>)         = 5
[pid   309] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   303] <... futex resumed>)        = 0
[pid   309] ftruncate(5, 33587199 <unfinished ...>
[pid   303] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   309] <... ftruncate resumed>)    = 0
[pid   303] <... futex resumed>)        = 0
[pid   303] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   309] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   303] <... futex resumed>)        = 0
[pid   303] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   303] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   309] <... futex resumed>)        = 1
[pid   309] sendfile(4, 5, NULL, 281474978811909 <unfinished ...>
[pid   295] +++ exited with 0 +++
[pid   288] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid   288] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid   288] ioctl(3, LOOP_CLR_FD)       = 0
[pid   288] close(3)                    = 0
[pid   288] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555557765d0) = 324
./strace-static-x86_64: Process 324 attached
[pid   324] set_robust_list(0x5555557765e0, 24) = 0
[pid   324] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   300] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   300] futex(0x7f1505e5979c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f14fd9bf000
[pid   300] mprotect(0x7f14fd9c0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   300] clone(child_stack=0x7f14fd9df3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[325], tls=0x7f14fd9df700, child_tidptr=0x7f14fd9df9d0) = 325
[pid   300] futex(0x7f1505e59798, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   300] futex(0x7f1505e5979c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   324] <... prctl resumed>)        = 0
[pid   324] setpgid(0, 0)               = 0
[pid   324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   324] write(3, "1000", 4)         = 4
[pid   324] close(3)                    = 0
[pid   324] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1505d60000
[pid   324] mprotect(0x7f1505d61000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   324] clone(child_stack=0x7f1505d803f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[326], tls=0x7f1505d80700, child_tidptr=0x7f1505d809d0) = 326
[pid   324] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   324] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 325 attached
 <unfinished ...>
[pid   325] set_robust_list(0x7f14fd9df9e0, 24) = 0
[pid   325] mount("/dev/loop5", "./bus", NULL, MS_BIND, NULL) = 0
[pid   325] futex(0x7f1505e5979c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] <... futex resumed>)        = 0
[pid   300] futex(0x7f1505e59798, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   300] futex(0x7f1505e5979c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   325] <... futex resumed>)        = 1
[pid   325] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 6
[pid   325] futex(0x7f1505e5979c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] <... futex resumed>)        = 0
[pid   300] futex(0x7f1505e59798, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   300] futex(0x7f1505e5979c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   325] <... futex resumed>)        = 1
[pid   325] writev(6, [{iov_base="\x46\xbd\x26\x2b\x9e\x1b\xd9\xd3\x26\x37\x9b\x13\x50\x4d\xd6\xfd\xac\xc6\xcd\x5c\x17\x5a\xf2\xf8\x3d\x3a\x25\xb3\x2e\xa9\x45\xdb\x18\x66\x51\x15\x58\xa3\x92\x3f\xd7\xe7\x7e\xa6\x78\x86\xda\x01\x84\x34\x97\x0f\x86\x4b\x4c\x1a\x9c\x55\xcc\x54\xda\xf1\x12\x18\xab\x55\x1b\xe9\xde\xac\x81\xf1\x65\x69\xe1\xaa\x70\x43\x8e\xc3\x22\xed\x93\xf4\xc0\x4b\xa6\xe8\xb6\xe2\x84\x79\x03\xf8\x58\x76\xe9\x86\x0c\x5f"..., iov_len=110}, {iov_base="\xc1\x3f\x4e\x2a\xf2\x9b\xb0\x30\x8e\x36\x30\x3a\x7b\x03\x07\xff\x53\x78\x57\xa1\x6d\xd7\x4e\x47\xe6\x96\xf9\xc7\xae\xb7\x27\x65\xad\xba\xd6\x1d\x04\xf9\x3e\x4a\x5e\xb4\x13\x71\x31\x71\xdf\xd3\x73\x1b\x74\xf0\xc9\x3a\xd2\x70\x2a\x1c\x9d\x49\x28\x98\x77\x69\xf2\x25\xe4\xdc\x5d\xd8\xe8\xae\x3c\x31\xc0\x8d\x5d\x1e\x0b\x49\x27\xb0\x26\x15\x35\x2b\x6b\x55\x7b\x48\x9e\x35\x2d\x07\x87\x94\x37\x47\x8d\xc8"..., iov_len=132}, {iov_base="\x34\xee\x3a\x2c\x11\x7e\x44\x32\x79\xe6\x7b\xfc\xba\x85\xae\xb6\xdb\x8c\x5b\x21\x8f\xcc\x1d\xca\xc5\x59\xe0\x50\x48\xcd\x76\xcc\xd8\x54\xd7\x37\xc4\x62\x2b\xc8\xc9\xb8\x2f\x51\x77\xf2\x27\x84\x1f\xe1\xf5\x3f\x0f\x8f\x7c\x3a\x80\x03\x7c\xcb\x36\xb4\x17\x6e\xbe\x9a\xe1\x11\xe8\x40\xd9\xaa\xeb\x99\xb6\xf2\x46\xea\xc6\x9a\x85\xa3\xb5\x2a\xff\x52\x0e\x11\x30\xdd\x72\x1b\xa2\x94\xe5\x5b\xcf\x3b\xdb\xba"..., iov_len=107}, {iov_base="\x6f\x90\x8a\xac\xf0\xcd\x92\x31\x69\xf3\x7d\xc7\x3a\x11\xe2\x5b\x26\x19\xc4\xd9\x1a\x04\xf2\x63\xb3\xae\xa7\xf4\xfd\x5f\x01\xe6\x24\x96\xe4\x4b\x83\x1e\xdd\x5d\x30\x8a\x6c\x79\xe7\xc4\x59\x94\x23\x86\x48\x8a\xd9\x3a\xe3\x73\x40\x83\x57\xbd\x80\x46\xdf\x53\x40\x7d\x3d\x76\x32\x45\x45\x98\x58\x72\x63\x6d\x29\xbb\xf1\x30\xa5\xff\x4b\x4a\x57\x85\x84\xc8\x24\x5c\x5a\x12\x7c\xb3\x6c\x64\x5b\xb3\x4c\x74"..., iov_len=176}, {iov_base="\xd3\x25\xd5\x12\x13\x6e\xfa\xc1\x9c\x33\x47\x09\xcf\x13\xf9\xa9\xac\x3d\x2d\x36\x20\x64\x0a\x56\xdf\x58\xa5\x62\xea\x3d\x18\x2f\xfa\x18\xdc\x34\x7b\xdd\x8f\xcb\x18\xbb\x6f\x22\x3b\x6f\xe0\xc6\x40\xbf\x1b\xd8\xa3\x55\xb0\x41\xab\xa3\x3b\x90\x0c\x45\x25\xff\x33\xe2\x0e\x34\x9f\xd2\xba\x0b\x3e\x61\x10\xfe\x0e\x4e\x57\x8b\x0b\x20\x65\xd2\x91\x95\x3e\x5c\x09\x2a\x9f\x20\x6e\x04\xe8\xe8\x2b\x1a\xc7\x1b"..., iov_len=574}], 5) = 1099
[pid   325] futex(0x7f1505e5979c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] <... futex resumed>)        = 0
[pid   325] <... futex resumed>)        = 1
[pid   325] futex(0x7f1505e59798, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 326 attached
 <unfinished ...>
[pid   326] set_robust_list(0x7f1505d809e0, 24) = 0
[pid   326] memfd_create("syzkaller", 0) = 3
[pid   326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f14fd960000
[   21.045221][   T24] audit: type=1400 audit(1684300449.060:75): avc:  denied  { read write open } for  pid=295 comm="syz-executor585" path="/root/file0/bus" dev="loop1" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[   21.083588][  T307] EXT4-fs (loop3): mounted filesystem without journal. Opts: grpquota,debug_want_extra_isize=0x0000000000000082,nodiscard,nojournal_checksum,data=ordered,init_itable=0x0000000000000003,usrquota,max_dir_size_kb=0x00000000000040d2,,errors=continue
[pid   296] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   296] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   296] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   296] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   296] futex(0x7f1505e5979c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f14fd9bf000
[pid   296] mprotect(0x7f14fd9c0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   296] clone(child_stack=0x7f14fd9df3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[327], tls=0x7f14fd9df700, child_tidptr=0x7f14fd9df9d0) = 327
[pid   296] futex(0x7f1505e59798, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7f1505e5979c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   294] futex(0x7f1505e5979c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f14fd9bf000
[pid   294] mprotect(0x7f14fd9c0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   294] clone(child_stack=0x7f14fd9df3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[328], tls=0x7f14fd9df700, child_tidptr=0x7f14fd9df9d0) = 328
[pid   294] futex(0x7f1505e59798, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   294] futex(0x7f1505e5979c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   303] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   303] futex(0x7f1505e5979c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f14fd9bf000
[pid   307] <... mount resumed>)        = 0
[pid   303] mprotect(0x7f14fd9c0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   302] <... sendfile resumed>)     = 262144
[pid   303] <... mprotect resumed>)     = 0
[pid   302] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   303] clone(child_stack=0x7f14fd9df3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   302] <... futex resumed>)        = 0
[pid   302] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   303] <... clone resumed>, parent_tid=[329], tls=0x7f14fd9df700, child_tidptr=0x7f14fd9df9d0) = 329
[pid   300] exit_group(0)               = ?
[pid   325] <... futex resumed>)        = ?
[pid   325] +++ exited with 0 +++
[pid   302] <... futex resumed>)        = ?
[pid   303] futex(0x7f1505e59798, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   301] <... sendfile resumed>)     = 376832
[pid   301] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   301] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   305] <... sendfile resumed>)     = 376832
[pid   305] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   305] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   303] <... futex resumed>)        = 0
./strace-static-x86_64: Process 329 attached
[pid   329] set_robust_list(0x7f14fd9df9e0, 24./strace-static-x86_64: Process 328 attached
 <unfinished ...>
[pid   328] set_robust_list(0x7f14fd9df9e0, 24 <unfinished ...>
[pid   329] <... set_robust_list resumed>) = 0
[pid   329] mount("/dev/loop4", "./bus", NULL, MS_BIND, NULL <unfinished ...>
[pid   328] <... set_robust_list resumed>) = 0
[pid   329] <... mount resumed>)        = 0
[pid   328] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL <unfinished ...>
[pid   329] futex(0x7f1505e5979c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   303] futex(0x7f1505e5979c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   329] <... futex resumed>)        = 0
[pid   329] futex(0x7f1505e59798, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   303] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   328] <... mount resumed>)        = 0
[pid   303] futex(0x7f1505e59798, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   328] futex(0x7f1505e5979c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   326] 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"..., 524288 <unfinished ...>
[pid   294] <... futex resumed>)        = 0
[pid   307] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   303] <... futex resumed>)        = 1
[pid   294] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   305] <... futex resumed>)        = 0
[pid   294] <... futex resumed>)        = 1
[pid   305] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid   294] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   305] <... open resumed>)         = 6
[pid   305] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   294] <... futex resumed>)        = 0
[pid   305] writev(6, [{iov_base="\x46\xbd\x26\x2b\x9e\x1b\xd9\xd3\x26\x37\x9b\x13\x50\x4d\xd6\xfd\xac\xc6\xcd\x5c\x17\x5a\xf2\xf8\x3d\x3a\x25\xb3\x2e\xa9\x45\xdb\x18\x66\x51\x15\x58\xa3\x92\x3f\xd7\xe7\x7e\xa6\x78\x86\xda\x01\x84\x34\x97\x0f\x86\x4b\x4c\x1a\x9c\x55\xcc\x54\xda\xf1\x12\x18\xab\x55\x1b\xe9\xde\xac\x81\xf1\x65\x69\xe1\xaa\x70\x43\x8e\xc3\x22\xed\x93\xf4\xc0\x4b\xa6\xe8\xb6\xe2\x84\x79\x03\xf8\x58\x76\xe9\x86\x0c\x5f"..., iov_len=110}, {iov_base="\xc1\x3f\x4e\x2a\xf2\x9b\xb0\x30\x8e\x36\x30\x3a\x7b\x03\x07\xff\x53\x78\x57\xa1\x6d\xd7\x4e\x47\xe6\x96\xf9\xc7\xae\xb7\x27\x65\xad\xba\xd6\x1d\x04\xf9\x3e\x4a\x5e\xb4\x13\x71\x31\x71\xdf\xd3\x73\x1b\x74\xf0\xc9\x3a\xd2\x70\x2a\x1c\x9d\x49\x28\x98\x77\x69\xf2\x25\xe4\xdc\x5d\xd8\xe8\xae\x3c\x31\xc0\x8d\x5d\x1e\x0b\x49\x27\xb0\x26\x15\x35\x2b\x6b\x55\x7b\x48\x9e\x35\x2d\x07\x87\x94\x37\x47\x8d\xc8"..., iov_len=132}, {iov_base="\x34\xee\x3a\x2c\x11\x7e\x44\x32\x79\xe6\x7b\xfc\xba\x85\xae\xb6\xdb\x8c\x5b\x21\x8f\xcc\x1d\xca\xc5\x59\xe0\x50\x48\xcd\x76\xcc\xd8\x54\xd7\x37\xc4\x62\x2b\xc8\xc9\xb8\x2f\x51\x77\xf2\x27\x84\x1f\xe1\xf5\x3f\x0f\x8f\x7c\x3a\x80\x03\x7c\xcb\x36\xb4\x17\x6e\xbe\x9a\xe1\x11\xe8\x40\xd9\xaa\xeb\x99\xb6\xf2\x46\xea\xc6\x9a\x85\xa3\xb5\x2a\xff\x52\x0e\x11\x30\xdd\x72\x1b\xa2\x94\xe5\x5b\xcf\x3b\xdb\xba"..., iov_len=107}, {iov_base="\x6f\x90\x8a\xac\xf0\xcd\x92\x31\x69\xf3\x7d\xc7\x3a\x11\xe2\x5b\x26\x19\xc4\xd9\x1a\x04\xf2\x63\xb3\xae\xa7\xf4\xfd\x5f\x01\xe6\x24\x96\xe4\x4b\x83\x1e\xdd\x5d\x30\x8a\x6c\x79\xe7\xc4\x59\x94\x23\x86\x48\x8a\xd9\x3a\xe3\x73\x40\x83\x57\xbd\x80\x46\xdf\x53\x40\x7d\x3d\x76\x32\x45\x45\x98\x58\x72\x63\x6d\x29\xbb\xf1\x30\xa5\xff\x4b\x4a\x57\x85\x84\xc8\x24\x5c\x5a\x12\x7c\xb3\x6c\x64\x5b\xb3\x4c\x74"..., iov_len=176}, {iov_base="\xd3\x25\xd5\x12\x13\x6e\xfa\xc1\x9c\x33\x47\x09\xcf\x13\xf9\xa9\xac\x3d\x2d\x36\x20\x64\x0a\x56\xdf\x58\xa5\x62\xea\x3d\x18\x2f\xfa\x18\xdc\x34\x7b\xdd\x8f\xcb\x18\xbb\x6f\x22\x3b\x6f\xe0\xc6\x40\xbf\x1b\xd8\xa3\x55\xb0\x41\xab\xa3\x3b\x90\x0c\x45\x25\xff\x33\xe2\x0e\x34\x9f\xd2\xba\x0b\x3e\x61\x10\xfe\x0e\x4e\x57\x8b\x0b\x20\x65\xd2\x91\x95\x3e\x5c\x09\x2a\x9f\x20\x6e\x04\xe8\xe8\x2b\x1a\xc7\x1b"..., iov_len=574}], 5 <unfinished ...>
[pid   294] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   305] <... writev resumed>)       = 1099
[pid   294] <... futex resumed>)        = 0
[pid   305] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   294] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   305] <... futex resumed>)        = 0
[pid   294] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   305] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   294] exit_group(0 <unfinished ...>
[pid   305] <... futex resumed>)        = ?
[pid   294] <... exit_group resumed>)   = ?
[pid   305] +++ exited with 0 +++
[pid   329] <... futex resumed>)        = 0
[pid   329] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 6
[pid   329] futex(0x7f1505e5979c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   328] <... futex resumed>)        = ?
[pid   329] <... futex resumed>)        = 0
[   21.114657][  T302] EXT4-fs error (device loop5): __ext4_get_inode_loc:4436: comm syz-executor585: Invalid inode table block 5 in block_group 0
[   21.133899][  T302] ------------[ cut here ]------------
[   21.139189][  T302] kernel BUG at fs/ext4/ext4.h:3247!
[   21.146930][  T302] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   21.152833][  T302] CPU: 1 PID: 302 Comm: syz-executor585 Not tainted 5.10.178-syzkaller-00127-g43c801dc3325 #0
[pid   309] <... sendfile resumed>)     = 376832
[pid   307] <... openat resumed>)       = 3
[pid   303] futex(0x7f1505e5979c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   309] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   307] chdir("./file0" <unfinished ...>
[pid   303] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   309] <... futex resumed>)        = 0
[pid   307] <... chdir resumed>)        = 0
[pid   303] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   309] writev(6, [{iov_base="\x46\xbd\x26\x2b\x9e\x1b\xd9\xd3\x26\x37\x9b\x13\x50\x4d\xd6\xfd\xac\xc6\xcd\x5c\x17\x5a\xf2\xf8\x3d\x3a\x25\xb3\x2e\xa9\x45\xdb\x18\x66\x51\x15\x58\xa3\x92\x3f\xd7\xe7\x7e\xa6\x78\x86\xda\x01\x84\x34\x97\x0f\x86\x4b\x4c\x1a\x9c\x55\xcc\x54\xda\xf1\x12\x18\xab\x55\x1b\xe9\xde\xac\x81\xf1\x65\x69\xe1\xaa\x70\x43\x8e\xc3\x22\xed\x93\xf4\xc0\x4b\xa6\xe8\xb6\xe2\x84\x79\x03\xf8\x58\x76\xe9\x86\x0c\x5f"..., iov_len=110}, {iov_base="\xc1\x3f\x4e\x2a\xf2\x9b\xb0\x30\x8e\x36\x30\x3a\x7b\x03\x07\xff\x53\x78\x57\xa1\x6d\xd7\x4e\x47\xe6\x96\xf9\xc7\xae\xb7\x27\x65\xad\xba\xd6\x1d\x04\xf9\x3e\x4a\x5e\xb4\x13\x71\x31\x71\xdf\xd3\x73\x1b\x74\xf0\xc9\x3a\xd2\x70\x2a\x1c\x9d\x49\x28\x98\x77\x69\xf2\x25\xe4\xdc\x5d\xd8\xe8\xae\x3c\x31\xc0\x8d\x5d\x1e\x0b\x49\x27\xb0\x26\x15\x35\x2b\x6b\x55\x7b\x48\x9e\x35\x2d\x07\x87\x94\x37\x47\x8d\xc8"..., iov_len=132}, {iov_base="\x34\xee\x3a\x2c\x11\x7e\x44\x32\x79\xe6\x7b\xfc\xba\x85\xae\xb6\xdb\x8c\x5b\x21\x8f\xcc\x1d\xca\xc5\x59\xe0\x50\x48\xcd\x76\xcc\xd8\x54\xd7\x37\xc4\x62\x2b\xc8\xc9\xb8\x2f\x51\x77\xf2\x27\x84\x1f\xe1\xf5\x3f\x0f\x8f\x7c\x3a\x80\x03\x7c\xcb\x36\xb4\x17\x6e\xbe\x9a\xe1\x11\xe8\x40\xd9\xaa\xeb\x99\xb6\xf2\x46\xea\xc6\x9a\x85\xa3\xb5\x2a\xff\x52\x0e\x11\x30\xdd\x72\x1b\xa2\x94\xe5\x5b\xcf\x3b\xdb\xba"..., iov_len=107}, {iov_base="\x6f\x90\x8a\xac\xf0\xcd\x92\x31\x69\xf3\x7d\xc7\x3a\x11\xe2\x5b\x26\x19\xc4\xd9\x1a\x04\xf2\x63\xb3\xae\xa7\xf4\xfd\x5f\x01\xe6\x24\x96\xe4\x4b\x83\x1e\xdd\x5d\x30\x8a\x6c\x79\xe7\xc4\x59\x94\x23\x86\x48\x8a\xd9\x3a\xe3\x73\x40\x83\x57\xbd\x80\x46\xdf\x53\x40\x7d\x3d\x76\x32\x45\x45\x98\x58\x72\x63\x6d\x29\xbb\xf1\x30\xa5\xff\x4b\x4a\x57\x85\x84\xc8\x24\x5c\x5a\x12\x7c\xb3\x6c\x64\x5b\xb3\x4c\x74"..., iov_len=176}, {iov_base="\xd3\x25\xd5\x12\x13\x6e\xfa\xc1\x9c\x33\x47\x09\xcf\x13\xf9\xa9\xac\x3d\x2d\x36\x20\x64\x0a\x56\xdf\x58\xa5\x62\xea\x3d\x18\x2f\xfa\x18\xdc\x34\x7b\xdd\x8f\xcb\x18\xbb\x6f\x22\x3b\x6f\xe0\xc6\x40\xbf\x1b\xd8\xa3\x55\xb0\x41\xab\xa3\x3b\x90\x0c\x45\x25\xff\x33\xe2\x0e\x34\x9f\xd2\xba\x0b\x3e\x61\x10\xfe\x0e\x4e\x57\x8b\x0b\x20\x65\xd2\x91\x95\x3e\x5c\x09\x2a\x9f\x20\x6e\x04\xe8\xe8\x2b\x1a\xc7\x1b"..., iov_len=574}], 5 <unfinished ...>
[pid   307] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   303] <... futex resumed>)        = 0
[pid   309] <... writev resumed>)       = 1099
[pid   307] <... ioctl resumed>)        = 0
[pid   303] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   309] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   307] close(4 <unfinished ...>
[pid   303] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   309] <... futex resumed>)        = 0
[pid   307] <... close resumed>)        = 0
[pid   303] exit_group(0 <unfinished ...>
[pid   307] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   303] <... exit_group resumed>)   = ?
[pid   309] +++ exited with 0 +++
[pid   307] <... futex resumed>)        = 1
[pid   299] <... futex resumed>)        = 0
[pid   296] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   307] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   299] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   307] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   301] <... futex resumed>)        = 0
[pid   299] <... futex resumed>)        = 0
[pid   296] <... futex resumed>)        = 1
[pid   307] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid   301] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid   299] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   301] <... open resumed>)         = 6
[pid   301] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 327 attached
 <unfinished ...>
[   21.162899][  T302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
[   21.172822][  T302] RIP: 0010:ext4_mb_load_buddy_gfp+0xf5d/0x1020
[   21.178869][  T302] Code: ff e8 77 3b c8 ff e9 f0 f2 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 52 f3 ff ff e8 7d 3b c8 ff e9 48 f3 ff ff e8 73 2d 8b ff <0f> 0b e9 62 00 00 00 e8 67 2d 8b ff e9 ef fb ff ff e9 65 00 00 00
[   21.198315][  T302] RSP: 0018:ffffc90000c97710 EFLAGS: 00010293
[   21.204199][  T302] RAX: ffffffff81df45ad RBX: 00000000ffff821c RCX: ffff888107b83b40
[   21.212098][  T302] RDX: 0000000000000000 RSI: 00000000ffff821c RDI: 0000000000000001
[   21.219913][  T302] RBP: ffffc90000c97790 R08: ffffffff81df373c R09: ffffed10239285bb
[   21.227718][  T302] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
[   21.235554][  T302] R13: ffff88811ef61000 R14: 1ffff11023dece79 R15: ffff88811ef673c8
[   21.243343][  T302] FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   21.252105][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.258530][  T302] CR2: 00007f14fd9df718 CR3: 000000011ef47000 CR4: 00000000003506a0
[   21.266343][  T302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.274150][  T302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.281959][  T302] Call Trace:
[   21.285101][  T302]  ? _raw_spin_trylock_bh+0x190/0x190
[   21.290302][  T302]  ext4_discard_preallocations+0x79c/0xef0
[   21.295966][  T302]  ? mb_test_and_clear_bits+0x240/0x240
[   21.301324][  T302]  ext4_release_file+0x16e/0x310
[   21.306094][  T302]  ? ext4_file_open+0x660/0x660
[   21.310869][  T302]  __fput+0x309/0x760
[   21.314689][  T302]  ____fput+0x15/0x20
[   21.318511][  T302]  task_work_run+0x129/0x190
[   21.322938][  T302]  do_exit+0xc83/0x2a50
[   21.326938][  T302]  ? put_task_struct+0x80/0x80
[   21.331525][  T302]  ? update_curr+0x360/0x6c0
[   21.335984][  T302]  ? __kasan_check_write+0x14/0x20
[   21.340908][  T302]  ? _raw_spin_lock_irq+0xa5/0x1b0
[   21.345851][  T302]  do_group_exit+0x141/0x310
[   21.350277][  T302]  get_signal+0x10a0/0x1410
[   21.354613][  T302]  ? _raw_spin_unlock_irq+0x4e/0x70
[   21.359648][  T302]  arch_do_signal_or_restart+0xbd/0x17c0
[   21.365118][  T302]  ? _raw_spin_lock_irqsave+0x210/0x210
[   21.370498][  T302]  ? _raw_spin_unlock_irq+0x4e/0x70
[   21.375532][  T302]  ? __kasan_check_write+0x14/0x20
[   21.380479][  T302]  ? ptrace_stop+0x6f4/0xa30
[   21.384936][  T302]  ? __do_sys_rt_sigreturn+0x1e0/0x1e0
[   21.390199][  T302]  ? _raw_spin_unlock_irq+0x4e/0x70
[   21.395230][  T302]  ? ptrace_notify+0x24c/0x350
[   21.399835][  T302]  ? fpu__clear_all+0x20/0x20
[   21.404345][  T302]  exit_to_user_mode_loop+0x9b/0xd0
[   21.409385][  T302]  syscall_exit_to_user_mode+0xbc/0x1d0
[   21.414762][  T302]  do_syscall_64+0x40/0x70
[   21.419016][  T302]  entry_SYSCALL_64_after_hwframe+0x61/0xc6
[   21.424741][  T302] RIP: 0033:0x7f1505ddc3a9
[   21.428994][  T302] Code: Unable to access opcode bytes at RIP 0x7f1505ddc37f.
[   21.436200][  T302] RSP: 002b:00007f1505d802f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
[   21.444450][  T302] RAX: fffffffffffffe00 RBX: 00007f1505e59780 RCX: 00007f1505ddc3a9
[   21.452253][  T302] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f1505e59788
[pid   328] +++ exited with 0 +++
[pid   326] <... write resumed>)        = 524288
[pid   301] <... futex resumed>)        = 1
[pid   296] <... futex resumed>)        = 0
[pid   294] +++ exited with 0 +++
[pid   307] <... open resumed>)         = 4
[pid   299] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   299] futex(0x7f1505e5979c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   327] set_robust_list(0x7f14fd9df9e0, 24 <unfinished ...>
[pid   326] munmap(0x7f14fd960000, 524288 <unfinished ...>
[pid   307] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   301] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   299] <... futex resumed>)        = 0
[pid   296] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=294, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid   299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f14fd9bf000
[pid   299] mprotect(0x7f14fd9c0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   299] clone(child_stack=0x7f14fd9df3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[331], tls=0x7f14fd9df700, child_tidptr=0x7f14fd9df9d0) = 331
[pid   299] futex(0x7f1505e59798, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   299] futex(0x7f1505e5979c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 331 attached
 <unfinished ...>
[pid   331] set_robust_list(0x7f14fd9df9e0, 24) = 0
[pid   331] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT|O_NOATIME|FASYNC, 000) = 5
[pid   331] futex(0x7f1505e5979c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   299] <... futex resumed>)        = 0
[pid   299] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   299] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   331] <... futex resumed>)        = 1
[pid   331] futex(0x7f1505e59798, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   327] <... set_robust_list resumed>) = 0
[pid   326] <... munmap resumed>)       = 0
[pid   307] <... futex resumed>)        = 1
[pid   301] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   327] mount("/dev/loop2", "./bus", NULL, MS_BIND, NULL <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   287] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   299] <... futex resumed>)        = 0
[pid   327] <... mount resumed>)        = 0
[pid   326] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid   307] ftruncate(5, 33587199 <unfinished ...>
[pid   301] writev(6, [{iov_base="\x46\xbd\x26\x2b\x9e\x1b\xd9\xd3\x26\x37\x9b\x13\x50\x4d\xd6\xfd\xac\xc6\xcd\x5c\x17\x5a\xf2\xf8\x3d\x3a\x25\xb3\x2e\xa9\x45\xdb\x18\x66\x51\x15\x58\xa3\x92\x3f\xd7\xe7\x7e\xa6\x78\x86\xda\x01\x84\x34\x97\x0f\x86\x4b\x4c\x1a\x9c\x55\xcc\x54\xda\xf1\x12\x18\xab\x55\x1b\xe9\xde\xac\x81\xf1\x65\x69\xe1\xaa\x70\x43\x8e\xc3\x22\xed\x93\xf4\xc0\x4b\xa6\xe8\xb6\xe2\x84\x79\x03\xf8\x58\x76\xe9\x86\x0c\x5f"..., iov_len=110}, {iov_base="\xc1\x3f\x4e\x2a\xf2\x9b\xb0\x30\x8e\x36\x30\x3a\x7b\x03\x07\xff\x53\x78\x57\xa1\x6d\xd7\x4e\x47\xe6\x96\xf9\xc7\xae\xb7\x27\x65\xad\xba\xd6\x1d\x04\xf9\x3e\x4a\x5e\xb4\x13\x71\x31\x71\xdf\xd3\x73\x1b\x74\xf0\xc9\x3a\xd2\x70\x2a\x1c\x9d\x49\x28\x98\x77\x69\xf2\x25\xe4\xdc\x5d\xd8\xe8\xae\x3c\x31\xc0\x8d\x5d\x1e\x0b\x49\x27\xb0\x26\x15\x35\x2b\x6b\x55\x7b\x48\x9e\x35\x2d\x07\x87\x94\x37\x47\x8d\xc8"..., iov_len=132}, {iov_base="\x34\xee\x3a\x2c\x11\x7e\x44\x32\x79\xe6\x7b\xfc\xba\x85\xae\xb6\xdb\x8c\x5b\x21\x8f\xcc\x1d\xca\xc5\x59\xe0\x50\x48\xcd\x76\xcc\xd8\x54\xd7\x37\xc4\x62\x2b\xc8\xc9\xb8\x2f\x51\x77\xf2\x27\x84\x1f\xe1\xf5\x3f\x0f\x8f\x7c\x3a\x80\x03\x7c\xcb\x36\xb4\x17\x6e\xbe\x9a\xe1\x11\xe8\x40\xd9\xaa\xeb\x99\xb6\xf2\x46\xea\xc6\x9a\x85\xa3\xb5\x2a\xff\x52\x0e\x11\x30\xdd\x72\x1b\xa2\x94\xe5\x5b\xcf\x3b\xdb\xba"..., iov_len=107}, {iov_base="\x6f\x90\x8a\xac\xf0\xcd\x92\x31\x69\xf3\x7d\xc7\x3a\x11\xe2\x5b\x26\x19\xc4\xd9\x1a\x04\xf2\x63\xb3\xae\xa7\xf4\xfd\x5f\x01\xe6\x24\x96\xe4\x4b\x83\x1e\xdd\x5d\x30\x8a\x6c\x79\xe7\xc4\x59\x94\x23\x86\x48\x8a\xd9\x3a\xe3\x73\x40\x83\x57\xbd\x80\x46\xdf\x53\x40\x7d\x3d\x76\x32\x45\x45\x98\x58\x72\x63\x6d\x29\xbb\xf1\x30\xa5\xff\x4b\x4a\x57\x85\x84\xc8\x24\x5c\x5a\x12\x7c\xb3\x6c\x64\x5b\xb3\x4c\x74"..., iov_len=176}, {iov_base="\xd3\x25\xd5\x12\x13\x6e\xfa\xc1\x9c\x33\x47\x09\xcf\x13\xf9\xa9\xac\x3d\x2d\x36\x20\x64\x0a\x56\xdf\x58\xa5\x62\xea\x3d\x18\x2f\xfa\x18\xdc\x34\x7b\xdd\x8f\xcb\x18\xbb\x6f\x22\x3b\x6f\xe0\xc6\x40\xbf\x1b\xd8\xa3\x55\xb0\x41\xab\xa3\x3b\x90\x0c\x45\x25\xff\x33\xe2\x0e\x34\x9f\xd2\xba\x0b\x3e\x61\x10\xfe\x0e\x4e\x57\x8b\x0b\x20\x65\xd2\x91\x95\x3e\x5c\x09\x2a\x9f\x20\x6e\x04\xe8\xe8\x2b\x1a\xc7\x1b"..., iov_len=574}], 5 <unfinished ...>
[pid   299] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=45000000} <unfinished ...>
[pid   296] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   287] <... restart_syscall resumed>) = 0
[pid   329] +++ exited with 0 +++
[pid   303] +++ exited with 0 +++
[pid   291] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=35} ---
[pid   291] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   327] futex(0x7f1505e5979c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   291] <... restart_syscall resumed>) = 0
[pid   327] futex(0x7f1505e59798, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   291] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid   291] ioctl(3, LOOP_CLR_FD)       = 0
[pid   291] close(3)                    = 0
[pid   291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555557765d0) = 332
[   21.460064][  T302] RBP: 00007f1505e26b00 R08: 0000000000000000 R09: 0000000000000000
[   21.467873][  T302] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1505e268c0
[   21.475693][  T302] R13: aa0d2915badb3bcf R14: 973f497c5f0c86e9 R15: 00007f1505e59788
[   21.483496][  T302] Modules linked in:
[   21.488519][  T302] ---[ end trace e6b09af2e41b7795 ]---
[   21.494831][  T302] RIP: 0010:ext4_mb_load_buddy_gfp+0xf5d/0x1020
./strace-static-x86_64: Process 332 attached
[pid   332] set_robust_list(0x5555557765e0, 24) = 0
[pid   326] <... openat resumed>)       = 4
[pid   307] <... ftruncate resumed>)    = 0
[pid   326] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid   307] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   301] <... writev resumed>)       = 1099
[pid   332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   332] setpgid(0, 0)               = 0
[pid   332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   332] write(3, "1000", 4)         = 4
[pid   332] close(3)                    = 0
[pid   326] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   307] <... futex resumed>)        = 1
[pid   301] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   299] <... futex resumed>)        = 0
[pid   287] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid   326] <... ioctl resumed>)        = 0
[pid   307] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   301] <... futex resumed>)        = 1
[pid   299] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   287] <... openat resumed>)       = 3
[pid   307] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   301] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   299] <... futex resumed>)        = 0
[pid   287] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   307] sendfile(4, 5, NULL, 281474978811909 <unfinished ...>
[pid   299] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   287] <... ioctl resumed>)        = 0
[pid   326] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   287] close(3 <unfinished ...>
[pid   326] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
[pid   287] <... close resumed>)        = 0
[pid   326] close(4 <unfinished ...>
[pid   287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   326] <... close resumed>)        = 0
[pid   296] exit_group(0 <unfinished ...>
[pid   326] close(3 <unfinished ...>
[pid   287] <... clone resumed>, child_tidptr=0x5555557765d0) = 333
[pid   326] <... close resumed>)        = 0
[pid   326] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   324] <... futex resumed>)        = 0
[pid   326] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   324] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   326] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   324] <... futex resumed>)        = 0
[pid   332] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   326] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid   324] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 333 attached
 <unfinished ...>
[pid   332] <... futex resumed>)        = 0
[pid   327] <... futex resumed>)        = ?
[pid   326] <... open resumed>)         = 3
[pid   301] <... futex resumed>)        = ?
[pid   296] <... exit_group resumed>)   = ?
[pid   332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   327] +++ exited with 0 +++
[pid   326] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   301] +++ exited with 0 +++
[pid   332] <... mmap resumed>)         = 0x7f1505d60000
[pid   326] <... futex resumed>)        = 1
[pid   324] <... futex resumed>)        = 0
[pid   332] mprotect(0x7f1505d61000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   326] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   324] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   332] <... mprotect resumed>)     = 0
[pid   326] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   324] <... futex resumed>)        = 0
[pid   332] clone(child_stack=0x7f1505d803f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   326] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid   324] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   326] <... open resumed>)         = 4
[   21.501933][  T302] Code: ff e8 77 3b c8 ff e9 f0 f2 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 52 f3 ff ff e8 7d 3b c8 ff e9 48 f3 ff ff e8 73 2d 8b ff <0f> 0b e9 62 00 00 00 e8 67 2d 8b ff e9 ef fb ff ff e9 65 00 00 00
[   21.522442][  T302] RSP: 0018:ffffc90000c97710 EFLAGS: 00010293
[   21.528354][  T302] RAX: ffffffff81df45ad RBX: 00000000ffff821c RCX: ffff888107b83b40
[   21.536194][  T302] RDX: 0000000000000000 RSI: 00000000ffff821c RDI: 0000000000000001
[   21.544308][  T302] RBP: ffffc90000c97790 R08: ffffffff81df373c R09: ffffed10239285bb
[   21.552285][  T302] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
[pid   332] <... clone resumed>, parent_tid=[334], tls=0x7f1505d80700, child_tidptr=0x7f1505d809d0) = 334
[pid   326] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   333] set_robust_list(0x5555557765e0, 24 <unfinished ...>
[pid   332] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   326] <... futex resumed>)        = 1
[pid   324] <... futex resumed>)        = 0
[pid   332] <... futex resumed>)        = 0
[pid   326] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   324] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   333] <... set_robust_list resumed>) = 0
[pid   332] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   326] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   324] <... futex resumed>)        = 0
[pid   296] +++ exited with 0 +++
[pid   326] ftruncate(4, 33587199 <unfinished ...>
[pid   324] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
[pid   326] <... ftruncate resumed>)    = 0
[pid   326] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   324] <... futex resumed>)        = 0
[pid   289] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid   333] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   326] futex(0x7f1505e59788, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   324] futex(0x7f1505e59788, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   289] <... openat resumed>)       = 3
[pid   333] <... prctl resumed>)        = 0
[pid   326] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   324] <... futex resumed>)        = 0
[pid   289] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   326] sendfile(3, 4, NULL, 281474978811909 <unfinished ...>
[pid   324] futex(0x7f1505e5978c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   289] <... ioctl resumed>)        = 0
./strace-static-x86_64: Process 334 attached
[pid   333] setpgid(0, 0 <unfinished ...>
[pid   289] close(3 <unfinished ...>
[pid   334] set_robust_list(0x7f1505d809e0, 24 <unfinished ...>
[pid   333] <... setpgid resumed>)      = 0
[pid   289] <... close resumed>)        = 0
[pid   334] <... set_robust_list resumed>) = 0
[pid   333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   334] memfd_create("syzkaller", 0 <unfinished ...>
[pid   333] <... openat resumed>)       = 3
[pid   334] <... memfd_create resumed>) = 3
[pid   333] write(3, "1000", 4 <unfinished ...>
[pid   299] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   289] <... clone resumed>, child_tidptr=0x5555557765d0) = 335
[pid   334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   333] <... write resumed>)        = 4
[pid   299] futex(0x7f1505e59798, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   334] <... mmap resumed>)         = 0x7f14fd960000
[pid   333] close(3 <unfinished ...>
[pid   331] <... futex resumed>)        = 0
[pid   299] <... futex resumed>)        = 1
[pid   333] <... close resumed>)        = 0
[pid   331] mount("/dev/loop3", "./bus", NULL, MS_BIND, NULL <unfinished ...>
[pid   299] futex(0x7f1505e5979c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   333] futex(0x7f1505e5978c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   331] <... mount resumed>)        = 0
[pid   333] <... futex resumed>)        = 0
[pid   331] futex(0x7f1505e5979c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   331] <... futex resumed>)        = 1
[pid   299] <... futex resumed>)        = 0
[pid   333] <... mmap resumed>)         = 0x7f1505d60000
[pid   331] futex(0x7f1505e59798, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   299] futex(0x7f1505e59798, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 335 attached
 <unfinished ...>
[   21.560241][  T302] R13: ffff88811ef61000 R14: 1ffff11023dece79 R15: ffff88811ef673c8
[   21.569283][  T302] FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   21.578615][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.585294][  T302] CR2: 00007f1505d91ab0 CR3: 00000001049d6000 CR4: 00000000003506b0
[   21.593373][  T302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.601291][  T302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.609085][  T302] Kernel panic - not syncing: Fatal exception
[   21.615149][  T302] Kernel Offset: disabled
[   21.619811][  T302] Rebooting in 86400 seconds..