ci2-android-5-10/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-10/syz-executor2039094931

<...>


syzkaller
syzkaller login: [   12.165453][   T24] kauditd_printk_skb: 48 callbacks suppressed
[   12.165463][   T24] audit: type=1400 audit(1794087878.280:59): avc:  denied  { transition } for  pid=217 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   12.170226][   T24] audit: type=1400 audit(1794087878.280:60): avc:  denied  { noatsecure } for  pid=217 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   12.173340][   T24] audit: type=1400 audit(1794087878.280:61): avc:  denied  { write } for  pid=217 comm="sh" path="pipe:[13934]" dev="pipefs" ino=13934 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[   12.176571][   T24] audit: type=1400 audit(1794087878.280:62): avc:  denied  { rlimitinh } for  pid=217 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   12.179588][   T24] audit: type=1400 audit(1794087878.280:63): avc:  denied  { siginh } for  pid=217 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.1.164' (ED25519) to the list of known hosts.
execve("ci2-android-5-10/syz-executor2039094931", ["ci2-android-5-10/syz-executor2039094931"], 0x7fffea1e0de0 /* 10 vars */) = 0
brk(NULL)                               = 0x55556a4ec000
brk(0x55556a4ecd40)                     = 0x55556a4ecd40
arch_prctl(ARCH_SET_FS, 0x55556a4ec3c0) = 0
set_tid_address(0x55556a4ec690)         = 297
set_robust_list(0x55556a4ec6a0, 24)     = 0
rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-5-10/syz-executor2039094931", 4096) = 45
getrandom("\x71\xf4\x12\x4b\xe9\x4e\x49\x8b", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55556a4ecd40
brk(0x55556a50dd40)                     = 0x55556a50dd40
brk(0x55556a50e000)                     = 0x55556a50e000
mprotect(0x7fb3534c3000, 20480, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 298
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 299
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 300
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 301
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 302
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 299 attached
[pid   299] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   299] getrandom("\x05\x7c\x14\x02\x08\x41\xb9\x0c", 8, GRND_NONBLOCK) = 8
[pid   299] mkdir("./syzkaller.JTvHHj", 0700) = 0
[pid   299] chmod("./syzkaller.JTvHHj", 0777) = 0
[pid   299] chdir("./syzkaller.JTvHHj") = 0
[pid   299] mkdir("./0", 0777)          = 0
[pid   299] openat(AT_FDCWD, "/dev/loop1", O_RDONLY) = 3
[pid   299] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   299] close(3)                    = 0
[pid   299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 298 attached
, child_tidptr=0x55556a4ec690) = 303
[pid   299] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   298] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   299] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   298] getrandom("\xec\x2e\xb5\xcf\x25\x93\x6d\x3d", 8, GRND_NONBLOCK) = 8
[pid   298] mkdir("./syzkaller.sbDNoe", 0700) = 0
[pid   298] chmod("./syzkaller.sbDNoe", 0777) = 0
[pid   298] chdir("./syzkaller.sbDNoe") = 0
[pid   298] mkdir("./0", 0777)          = 0
[pid   298] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 3
[pid   298] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   298] close(3)                    = 0
[pid   298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 304
[pid   298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 303 attached
[pid   303] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   303] chdir("./0")                = 0
[pid   303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   303] setpgid(0, 0)               = 0
[pid   303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   303] write(3, "1000", 4)         = 4
[pid   303] close(3)                    = 0
[pid   303] symlink("/dev/binderfs", "./binderfs") = 0
[pid   303] write(1, "executing program\n", 18) = 18
[pid   303] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   303] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   303] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   303] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
executing program
[pid   303] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[305]}, 88) = 305
[pid   303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   303] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   303] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 305 attached
 <unfinished ...>
[pid   305] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   305] memfd_create("syzkaller", 0) = 3
[pid   305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
ci2-android-5-10/strace-static-x86_64: Process 300 attached
ci2-android-5-10/strace-static-x86_64: Process 301 attached
ci2-android-5-10/strace-static-x86_64: Process 302 attached
[pid   302] set_robust_list(0x55556a4ec6a0, 24 <unfinished ...>
[pid   300] set_robust_list(0x55556a4ec6a0, 24 <unfinished ...>
[pid   302] <... set_robust_list resumed>) = 0
[pid   300] <... set_robust_list resumed>) = 0
[pid   302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   302] getrandom( <unfinished ...>
[pid   300] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   301] set_robust_list(0x55556a4ec6a0, 24 <unfinished ...>
[pid   300] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   300] getrandom( <unfinished ...>
[pid   302] <... getrandom resumed>"\x9a\xa4\xd5\x05\x49\x20\x0e\xc0", 8, GRND_NONBLOCK) = 8
[pid   301] <... set_robust_list resumed>) = 0
[pid   301] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   302] mkdir("./syzkaller.cKwnbZ", 0700ci2-android-5-10/strace-static-x86_64: Process 304 attached
 <unfinished ...>
[pid   300] <... getrandom resumed>"\x90\x4a\xe0\x7e\xfa\xa5\xa4\x62", 8, GRND_NONBLOCK) = 8
[pid   301] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   302] <... mkdir resumed>)        = 0
[pid   304] set_robust_list(0x55556a4ec6a0, 24 <unfinished ...>
[pid   300] mkdir("./syzkaller.oJ6AJC", 0700 <unfinished ...>
[pid   301] getrandom( <unfinished ...>
[pid   300] <... mkdir resumed>)        = 0
[pid   304] <... set_robust_list resumed>) = 0
[pid   301] <... getrandom resumed>"\x2c\x1c\x5a\x0d\xc5\x8e\x41\x5e", 8, GRND_NONBLOCK) = 8
[pid   304] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   301] mkdir("./syzkaller.aQQNRZ", 0700 <unfinished ...>
[pid   302] chmod("./syzkaller.cKwnbZ", 0777 <unfinished ...>
[pid   300] chmod("./syzkaller.oJ6AJC", 0777 <unfinished ...>
[pid   304] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   301] <... mkdir resumed>)        = 0
[pid   304] chdir("./0" <unfinished ...>
[pid   300] <... chmod resumed>)        = 0
[pid   304] <... chdir resumed>)        = 0
[pid   302] <... chmod resumed>)        = 0
[pid   304] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   300] chdir("./syzkaller.oJ6AJC" <unfinished ...>
[pid   304] <... prctl resumed>)        = 0
[pid   302] chdir("./syzkaller.cKwnbZ" <unfinished ...>
[pid   301] chmod("./syzkaller.aQQNRZ", 0777 <unfinished ...>
[pid   304] setpgid(0, 0 <unfinished ...>
[pid   300] <... chdir resumed>)        = 0
[pid   304] <... setpgid resumed>)      = 0
[pid   302] <... chdir resumed>)        = 0
[pid   300] mkdir("./0", 0777 <unfinished ...>
[pid   304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   302] mkdir("./0", 0777 <unfinished ...>
[pid   304] <... openat resumed>)       = 3
[pid   302] <... mkdir resumed>)        = 0
[pid   304] write(3, "1000", 4 <unfinished ...>
[pid   300] <... mkdir resumed>)        = 0
[pid   304] <... write resumed>)        = 4
[pid   301] <... chmod resumed>)        = 0
[pid   302] openat(AT_FDCWD, "/dev/loop4", O_RDONLY <unfinished ...>
[pid   300] openat(AT_FDCWD, "/dev/loop2", O_RDONLY <unfinished ...>
[pid   304] close(3)                    = 0
[pid   301] chdir("./syzkaller.aQQNRZ" <unfinished ...>
[pid   300] <... openat resumed>)       = 3
[pid   304] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   301] <... chdir resumed>)        = 0
[pid   302] <... openat resumed>)       = 3
[pid   304] <... symlink resumed>)      = 0
[pid   301] mkdir("./0", 0777 <unfinished ...>
[pid   304] write(1, "executing program\n", 18 <unfinished ...>
[pid   302] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   300] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   301] <... mkdir resumed>)        = 0
[pid   304] <... write resumed>)        = 18
[pid   300] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
executing program
[pid   302] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   301] openat(AT_FDCWD, "/dev/loop3", O_RDONLY <unfinished ...>
[pid   304] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] close(3 <unfinished ...>
[pid   302] close(3 <unfinished ...>
[pid   301] <... openat resumed>)       = 3
[pid   304] <... futex resumed>)        = 0
[pid   300] <... close resumed>)        = 0
[pid   302] <... close resumed>)        = 0
[pid   301] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   304] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0} <unfinished ...>
[pid   302] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   301] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   300] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   304] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   302] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   301] close(3 <unfinished ...>
[pid   300] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   301] <... close resumed>)        = 0
[pid   300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   304] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   301] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   301] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   302] <... clone resumed>, child_tidptr=0x55556a4ec690) = 306
[pid   300] <... clone resumed>, child_tidptr=0x55556a4ec690) = 307
[pid   304] <... mmap resumed>)         = 0x7fb3533d1000
[pid   301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   300] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   304] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   302] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   304] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   302] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   301] <... clone resumed>, child_tidptr=0x55556a4ec690) = 308
[pid   300] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   304] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} <unfinished ...>
[pid   301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[   23.985464][   T24] audit: type=1400 audit(1794087890.100:64): avc:  denied  { execmem } for  pid=297 comm="syz-executor203" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   24.007802][   T24] audit: type=1400 audit(1794087890.100:65): avc:  denied  { read } for  pid=299 comm="syz-executor203" name="loop1" dev="devtmpfs" ino=116 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid   304] <... clone3 resumed> => {parent_tid=[309]}, 88) = 309
[pid   304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
executing program
executing program
executing program
[pid   304] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-10/strace-static-x86_64: Process 306 attached
 <unfinished ...>
[pid   306] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   306] chdir("./0")                = 0
[pid   306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   306] setpgid(0, 0)               = 0
[pid   306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   306] write(3, "1000", 4)         = 4
[pid   306] close(3)                    = 0
[pid   306] symlink("/dev/binderfs", "./binderfs") = 0
ci2-android-5-10/strace-static-x86_64: Process 307 attached
[pid   307] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   307] chdir("./0" <unfinished ...>
[pid   306] write(1, "executing program\n", 18) = 18
[pid   306] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   307] <... chdir resumed>)        = 0
[pid   306] <... futex resumed>)        = 0
[pid   306] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   307] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   306] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   307] <... prctl resumed>)        = 0
[pid   306] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   307] setpgid(0, 0 <unfinished ...>
[pid   306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   307] <... setpgid resumed>)      = 0
[pid   307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   306] <... mmap resumed>)         = 0x7fb3533d1000
[pid   306] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   306] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   307] <... openat resumed>)       = 3
[pid   306] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} <unfinished ...>
[pid   307] write(3, "1000", 4)         = 4
[pid   307] close(3)                    = 0
[pid   307] symlink("/dev/binderfs", "./binderfs") = 0
[pid   306] <... clone3 resumed> => {parent_tid=[310]}, 88) = 310
[pid   306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   306] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-10/strace-static-x86_64: Process 308 attached
) = 0
[pid   306] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   308] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   308] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   307] write(1, "executing program\n", 18 <unfinished ...>
[pid   308] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   307] <... write resumed>)        = 18
[pid   308] chdir("./0" <unfinished ...>
[pid   307] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   307] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   308] <... chdir resumed>)        = 0
[pid   307] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   308] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   308] <... prctl resumed>)        = 0
[pid   307] <... mmap resumed>)         = 0x7fb3533d1000
[pid   308] setpgid(0, 0)               = 0
[pid   307] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   307] <... mprotect resumed>)     = 0
[pid   307] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   308] <... openat resumed>)       = 3
[pid   307] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} <unfinished ...>
[pid   308] write(3, "1000", 4)         = 4
[pid   308] close(3)                    = 0
[pid   308] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   307] <... clone3 resumed> => {parent_tid=[311]}, 88) = 311
[pid   308] <... symlink resumed>)      = 0
[pid   307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   307] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   307] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   308] write(1, "executing program\n", 18) = 18
[pid   308] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   308] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   308] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[312]}, 88) = 312
[pid   308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   308] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   308] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 310 attached
 <unfinished ...>
[pid   310] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   310] memfd_create("syzkaller", 0) = 3
[pid   310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
ci2-android-5-10/strace-static-x86_64: Process 311 attached
[pid   311] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   311] memfd_create("syzkaller", 0) = 3
[pid   311] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
ci2-android-5-10/strace-static-x86_64: Process 312 attached
[pid   312] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   312] memfd_create("syzkaller", 0) = 3
[pid   312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   304] <... futex resumed>)        = 0
ci2-android-5-10/strace-static-x86_64: Process 309 attached
[pid   304] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   309] set_robust_list(0x7fb3533f19a0, 24) = 0
[   24.041286][   T24] audit: type=1400 audit(1794087890.100:66): avc:  denied  { open } for  pid=299 comm="syz-executor203" path="/dev/loop1" dev="devtmpfs" ino=116 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid   309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   309] memfd_create("syzkaller", 0) = 3
[pid   309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[   24.066339][   T24] audit: type=1400 audit(1794087890.100:67): avc:  denied  { ioctl } for  pid=299 comm="syz-executor203" path="/dev/loop1" dev="devtmpfs" ino=116 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[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"..., 20699119 <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"..., 20699119 <unfinished ...>
[pid   311] 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"..., 20699119 <unfinished ...>
[pid   310] 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"..., 20699119 <unfinished ...>
[pid   312] 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"..., 20699119 <unfinished ...>
[pid   305] <... write resumed>)        = 20699119
[pid   305] munmap(0x7fb34afd1000, 138412032) = 0
[pid   305] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid   305] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   305] close(3)                    = 0
[pid   305] close(4 <unfinished ...>
[pid   309] <... write resumed>)        = 20699119
[pid   309] munmap(0x7fb34afd1000, 138412032) = 0
[pid   309] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid   311] <... write resumed>)        = 20699119
[pid   311] munmap(0x7fb34afd1000, 138412032) = 0
[   24.287963][   T24] audit: type=1400 audit(1794087890.400:68): avc:  denied  { write } for  pid=303 comm="syz-executor203" name="loop1" dev="devtmpfs" ino=116 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid   311] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid   312] <... write resumed>)        = 20699119
[pid   312] munmap(0x7fb34afd1000, 138412032) = 0
[pid   312] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid   305] <... close resumed>)        = 0
[pid   309] <... openat resumed>)       = 4
[pid   309] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   305] mkdir("./bus", 0777)        = 0
[pid   305] mount("/dev/loop1", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   310] <... write resumed>)        = 20699119
[pid   310] munmap(0x7fb34afd1000, 138412032) = 0
[pid   310] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid   312] <... openat resumed>)       = 4
[pid   311] <... openat resumed>)       = 4
[pid   312] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   311] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   311] close(3)                    = 0
[pid   311] close(4 <unfinished ...>
[pid   310] <... openat resumed>)       = 4
[pid   309] <... ioctl resumed>)        = 0
[pid   310] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   309] close(3)                    = 0
[pid   309] close(4 <unfinished ...>
[pid   312] <... ioctl resumed>)        = 0
[pid   312] close(3)                    = 0
[   24.361424][   T24] audit: type=1400 audit(1794087890.470:69): avc:  denied  { mounton } for  pid=303 comm="syz-executor203" path="/root/syzkaller.JTvHHj/0/bus" dev="sda1" ino=2040 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[pid   312] close(4 <unfinished ...>
[pid   311] <... close resumed>)        = 0
[pid   311] mkdir("./bus", 0777)        = 0
[pid   311] mount("/dev/loop2", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   310] <... ioctl resumed>)        = 0
[pid   310] close(3)                    = 0
[   24.415215][  T305] F2FS-fs (loop1): Invalid segment/section count (28696 != 24 * 1)
[   24.423565][  T305] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[   24.432464][  T305] F2FS-fs (loop1): invalid crc value
[   24.438770][  T305] F2FS-fs (loop1): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[pid   310] close(4 <unfinished ...>
[pid   309] <... close resumed>)        = 0
[pid   309] mkdir("./bus", 0777)        = 0
[pid   309] mount("/dev/loop0", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   305] <... mount resumed>)        = 0
[pid   305] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   305] chdir("./bus")              = 0
[pid   305] openat(AT_FDCWD, "/dev/loop1", O_RDONLY <unfinished ...>
[pid   312] <... close resumed>)        = 0
[pid   312] mkdir("./bus", 0777)        = 0
[   24.459762][  T305] F2FS-fs (loop1): Start checkpoint disabled!
[   24.466592][  T305] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[   24.473684][  T305] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e6
[   24.481337][   T24] audit: type=1400 audit(1794087890.600:70): avc:  denied  { mount } for  pid=303 comm="syz-executor203" name="/" dev="loop1" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   24.522529][  T312] F2FS-fs (loop3): Invalid segment/section count (28696 != 24 * 1)
[   24.530514][  T312] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock
[   24.539371][  T312] F2FS-fs (loop3): invalid crc value
[   24.545723][  T312] F2FS-fs (loop3): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   24.566923][  T312] F2FS-fs (loop3): Start checkpoint disabled!
[pid   312] mount("/dev/loop3", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   310] <... close resumed>)        = 0
[pid   312] <... mount resumed>)        = 0
[pid   312] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   310] mkdir("./bus", 0777 <unfinished ...>
[pid   305] <... openat resumed>)       = 4
[pid   312] <... openat resumed>)       = 3
[pid   312] chdir("./bus")              = 0
[pid   312] openat(AT_FDCWD, "/dev/loop3", O_RDONLY) = 4
[pid   312] ioctl(4, LOOP_CLR_FD)       = 0
[pid   312] close(4)                    = 0
[pid   312] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   308] <... futex resumed>)        = 0
[pid   308] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   308] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... futex resumed>)        = 1
[pid   312] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 4
[pid   312] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   308] <... futex resumed>)        = 0
[pid   308] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   308] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... futex resumed>)        = 1
[pid   312] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0) = 0
[pid   312] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   308] <... futex resumed>)        = 0
[pid   308] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   308] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... futex resumed>)        = 1
[pid   312] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 5
[pid   312] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   308] <... futex resumed>)        = 0
[pid   308] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   308] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... futex resumed>)        = 1
[pid   312] pwrite64(5, "\f", 1, 134220897) = 1
[pid   312] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   308] <... futex resumed>)        = 0
[pid   308] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   308] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... futex resumed>)        = 1
[pid   312] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025) = 6
[pid   312] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   308] <... futex resumed>)        = 0
[pid   308] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   308] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... futex resumed>)        = 1
[   24.573630][  T312] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0
[   24.580667][  T312] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e6
[   24.591446][  T311] F2FS-fs (loop2): Invalid segment/section count (28696 != 24 * 1)
[   24.592450][   T24] audit: type=1400 audit(1794087890.700:71): avc:  denied  { write } for  pid=308 comm="syz-executor203" name="/" dev="loop3" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[pid   312] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   310] <... mkdir resumed>)        = 0
[pid   305] ioctl(4, LOOP_CLR_FD <unfinished ...>
[   24.610286][  T311] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[   24.622170][  T309] F2FS-fs (loop0): Invalid segment/section count (28696 != 24 * 1)
[   24.640469][   T24] audit: type=1400 audit(1794087890.700:72): avc:  denied  { add_name } for  pid=308 comm="syz-executor203" name="file1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[   24.661255][  T309] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[pid   310] mount("/dev/loop4", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   308] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   308] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   308] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[324]}, 88) = 324
[pid   308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   308] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   308] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 324 attached
 <unfinished ...>
[pid   324] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   324] read(6 <unfinished ...>
[pid   312] <... mmap resumed>)         = 0x200000000000
[   24.669769][  T311] F2FS-fs (loop2): invalid crc value
[   24.670324][   T24] audit: type=1400 audit(1794087890.700:73): avc:  denied  { create } for  pid=308 comm="syz-executor203" name="file1" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[   24.691567][  T309] F2FS-fs (loop0): invalid crc value
[   24.702870][  T311] F2FS-fs (loop2): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[pid   312] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   308] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   305] <... ioctl resumed>)        = 0
[pid   308] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   308] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   305] close(4 <unfinished ...>
[pid   312] <... unshare resumed>)      = 0
[pid   305] <... close resumed>)        = 0
[pid   305] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   305] <... futex resumed>)        = 1
[pid   312] <... futex resumed>)        = 1
[pid   303] <... futex resumed>)        = 0
[pid   308] <... futex resumed>)        = 0
[pid   303] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   305] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   312] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   303] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   305] <... openat resumed>)       = 4
[pid   305] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   303] <... futex resumed>)        = 0
[pid   303] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   303] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   305] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0) = 0
[pid   305] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   303] <... futex resumed>)        = 0
[pid   303] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   303] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   305] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 5
[pid   305] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   303] <... futex resumed>)        = 0
[pid   303] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   303] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   305] pwrite64(5, "\f", 1, 134220897) = 1
[pid   305] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   303] <... futex resumed>)        = 0
[pid   303] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   303] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   305] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025) = 6
[pid   305] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   303] <... futex resumed>)        = 0
[pid   303] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   303] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[   24.719456][  T310] F2FS-fs (loop4): Invalid segment/section count (28696 != 24 * 1)
[   24.737012][  T310] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock
[   24.758584][  T309] F2FS-fs (loop0): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[pid   305] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   303] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   303] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   303] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   303] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   303] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[332]}, 88) = 332
[pid   303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   303] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   303] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 332 attached
 <unfinished ...>
[pid   332] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[   24.770615][  T310] F2FS-fs (loop4): invalid crc value
[pid   332] read(6 <unfinished ...>
[pid   303] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   303] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   303] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   303] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   303] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   303] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   303] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   308] exit_group(0)               = ?
[pid   312] <... futex resumed>)        = ?
[pid   305] <... mmap resumed>)         = 0x200000000000
[pid   303] <... mmap resumed>)         = 0x7fb35338f000
[pid   303] mprotect(0x7fb353390000, 131072, PROT_READ|PROT_WRITE) = 0
[   24.831811][  T310] F2FS-fs (loop4): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   24.862880][  T311] F2FS-fs (loop2): Start checkpoint disabled!
[pid   324] <... read resumed> <unfinished ...>) = ?
[pid   303] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   305] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   305] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   303] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533af990, parent_tid=0x7fb3533af990, exit_signal=0, stack=0x7fb35338f000, stack_size=0x20300, tls=0x7fb3533af6c0} <unfinished ...>
[pid   312] +++ exited with 0 +++
[pid   303] <... clone3 resumed> => {parent_tid=[335]}, 88) = 335
[pid   303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 335 attached
[pid   335] set_robust_list(0x7fb3533af9a0, 24) = 0
[pid   335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   335] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   311] <... mount resumed>)        = 0
[pid   311] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   311] chdir("./bus")              = 0
[pid   311] openat(AT_FDCWD, "/dev/loop2", O_RDONLY) = 4
[pid   311] ioctl(4, LOOP_CLR_FD)       = 0
[pid   311] close(4)                    = 0
[pid   311] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   307] <... futex resumed>)        = 0
[pid   307] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   307] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   311] <... futex resumed>)        = 1
[pid   311] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 4
[pid   311] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   307] <... futex resumed>)        = 0
[pid   307] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   307] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   311] <... futex resumed>)        = 1
[pid   311] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0) = 0
[pid   311] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   307] <... futex resumed>)        = 0
[pid   307] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   307] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   311] <... futex resumed>)        = 1
[pid   311] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 5
[pid   311] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   307] <... futex resumed>)        = 0
[pid   307] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   307] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   311] <... futex resumed>)        = 1
[pid   311] pwrite64(5, "\f", 1, 134220897) = 1
[pid   311] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   303] futex(0x7fb3534c9e68, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   335] <... futex resumed>)        = 0
[pid   303] <... futex resumed>)        = 1
[pid   335] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID) = 0
[pid   303] futex(0x7fb3534c9e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   335] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   303] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   335] <... futex resumed>)        = 0
[pid   335] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   307] <... futex resumed>)        = 0
[pid   307] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   307] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   311] <... futex resumed>)        = 1
[pid   311] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025) = 6
[pid   311] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   307] <... futex resumed>)        = 0
[pid   307] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   307] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   311] <... futex resumed>)        = 1
[pid   311] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   324] +++ exited with 0 +++
[pid   308] +++ exited with 0 +++
[pid   301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=28 /* 0.28 s */} ---
[   24.882495][  T309] F2FS-fs (loop0): Start checkpoint disabled!
[   24.888758][  T311] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[   24.896373][  T311] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e6
[   24.904979][  T309] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[   24.912102][  T310] F2FS-fs (loop4): Start checkpoint disabled!
[   24.915480][  T309] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6
[pid   301] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   301] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   301] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   309] <... mount resumed>)        = 0
[pid   301] getdents64(3 <unfinished ...>
[pid   309] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   309] chdir("./bus")              = 0
[pid   301] <... getdents64 resumed>, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   309] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 4
[pid   301] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   309] ioctl(4, LOOP_CLR_FD)       = 0
[pid   309] close(4)                    = 0
[pid   309] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   309] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   304] <... futex resumed>)        = 0
[pid   301] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   304] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   301] newfstatat(AT_FDCWD, "./0/binderfs" <unfinished ...>
[pid   304] <... futex resumed>)        = 1
[pid   301] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   309] <... futex resumed>)        = 0
[pid   309] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   304] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   301] unlink("./0/binderfs" <unfinished ...>
[pid   309] <... openat resumed>)       = 4
[pid   309] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   309] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   304] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   301] <... unlink resumed>)       = 0
[pid   304] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   301] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   309] <... futex resumed>)        = 0
[pid   309] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[pid   304] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   309] <... ioctl resumed>)        = 0
[pid   309] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   304] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   301] <... umount2 resumed>)      = 0
[pid   309] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   304] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   301] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   304] <... futex resumed>)        = 1
[pid   301] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   309] <... futex resumed>)        = 0
[pid   309] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 5
[pid   309] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   309] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   304] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   301] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   304] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   304] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   301] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   304] <... futex resumed>)        = 1
[pid   301] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   309] <... futex resumed>)        = 0
[pid   309] pwrite64(5, "\f", 1, 134220897) = 1
[pid   309] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   309] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   304] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   301] openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   304] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   301] <... openat resumed>)       = 4
[pid   304] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   301] fstat(4 <unfinished ...>
[pid   304] <... futex resumed>)        = 1
[pid   301] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   304] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   309] <... futex resumed>)        = 0
[pid   301] getdents64(4 <unfinished ...>
[pid   309] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025) = 6
[pid   301] <... getdents64 resumed>, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   309] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   309] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   304] <... futex resumed>)        = 0
[pid   301] getdents64(4 <unfinished ...>
[pid   304] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   301] <... getdents64 resumed>, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   304] <... futex resumed>)        = 1
[pid   301] close(4 <unfinished ...>
[pid   304] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   309] <... futex resumed>)        = 0
[pid   301] <... close resumed>)        = 0
[pid   309] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   301] rmdir("./0/bus" <unfinished ...>
[pid   307] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   307] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   307] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[336]}, 88) = 336
[pid   307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   307] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   307] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   310] <... mount resumed>)        = 0
[pid   310] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   310] chdir("./bus")              = 0
[pid   310] openat(AT_FDCWD, "/dev/loop4", O_RDONLY) = 4
[pid   310] ioctl(4, LOOP_CLR_FD)       = 0
[pid   310] close(4)                    = 0
[pid   310] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   306] <... futex resumed>)        = 0
[pid   306] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   306] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   310] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 4
[pid   310] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   306] <... futex resumed>)        = 0
[pid   306] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   306] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   310] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0) = 0
[pid   310] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   306] <... futex resumed>)        = 0
[pid   306] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   306] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   310] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000ci2-android-5-10/strace-static-x86_64: Process 336 attached
 <unfinished ...>
[pid   336] set_robust_list(0x7fb3533d09a0, 24 <unfinished ...>
[pid   310] <... openat resumed>)       = 5
[pid   336] <... set_robust_list resumed>) = 0
[pid   336] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   336] read(6 <unfinished ...>
[pid   310] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   306] <... futex resumed>)        = 0
[pid   306] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   306] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   310] pwrite64(5, "\f", 1, 134220897) = 1
[pid   310] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   306] <... futex resumed>)        = 0
[pid   306] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   306] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   310] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025) = 6
[pid   310] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   306] <... futex resumed>)        = 0
[pid   306] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   306] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   310] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   304] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   304] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   304] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   304] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[337]}, 88) = 337
[pid   304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   304] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   304] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 337 attached
 <unfinished ...>
[pid   337] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[   24.931592][  T310] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0
[   24.955441][   T49] attempt to access beyond end of device
[   24.955441][   T49] loop3: rw=1, want=81920, limit=40427
[   24.961292][  T310] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e6
[pid   337] read(6 <unfinished ...>
[pid   307] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   307] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb35338f000
[pid   307] mprotect(0x7fb353390000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533af990, parent_tid=0x7fb3533af990, exit_signal=0, stack=0x7fb35338f000, stack_size=0x20300, tls=0x7fb3533af6c0} => {parent_tid=[338]}, 88) = 338
[pid   307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   307] futex(0x7fb3534c9e68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   307] futex(0x7fb3534c9e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   306] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   306] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   306] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[339]}, 88) = 339
[pid   306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   306] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   306] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 339 attached
 <unfinished ...>
[pid   339] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   339] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   339] read(6 <unfinished ...>
[pid   304] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   304] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb35338f000
[pid   304] mprotect(0x7fb353390000, 131072, PROT_READ|PROT_WRITEci2-android-5-10/strace-static-x86_64: Process 338 attached
 <unfinished ...>
[pid   338] set_robust_list(0x7fb3533af9a0, 24) = 0
[pid   338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   338] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   304] <... mprotect resumed>)     = 0
[pid   304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533af990, parent_tid=0x7fb3533af990, exit_signal=0, stack=0x7fb35338f000, stack_size=0x20300, tls=0x7fb3533af6c0} => {parent_tid=[340]}, 88) = 340
[pid   304] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   338] <... unshare resumed>)      = 0
[pid   304] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   304] futex(0x7fb3534c9e68, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   338] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   307] <... futex resumed>)        = 0
[pid   338] <... futex resumed>)        = 1
[pid   338] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   304] <... futex resumed>)        = 0
[pid   304] futex(0x7fb3534c9e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 340 attached
 <unfinished ...>
[pid   340] set_robust_list(0x7fb3533af9a0, 24) = 0
[pid   340] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   340] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   311] <... mmap resumed>)         = 0x200000000000
[pid   311] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   311] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   340] <... unshare resumed>)      = 0
[pid   340] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   304] <... futex resumed>)        = 0
[pid   340] <... futex resumed>)        = 1
[pid   340] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   303] exit_group(0 <unfinished ...>
[pid   335] <... futex resumed>)        = ?
[pid   305] <... futex resumed>)        = ?
[pid   303] <... exit_group resumed>)   = ?
[   25.032900][   T49] attempt to access beyond end of device
[   25.032900][   T49] loop3: rw=1, want=53248, limit=40427
[pid   305] +++ exited with 0 +++
[pid   335] +++ exited with 0 +++
[pid   306] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   306] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   332] <... read resumed> <unfinished ...>) = ?
[pid   306] <... mmap resumed>)         = 0x7fb35338f000
[pid   306] mprotect(0x7fb353390000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533af990, parent_tid=0x7fb3533af990, exit_signal=0, stack=0x7fb35338f000, stack_size=0x20300, tls=0x7fb3533af6c0} => {parent_tid=[341]}, 88) = 341
[pid   306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   306] futex(0x7fb3534c9e68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   306] futex(0x7fb3534c9e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 341 attached
 <unfinished ...>
[pid   341] set_robust_list(0x7fb3533af9a0, 24) = 0
[pid   341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   341] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID) = 0
[pid   341] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   306] <... futex resumed>)        = 0
[pid   341] <... futex resumed>)        = 1
[pid   341] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   309] <... mmap resumed>)         = 0x200000000000
[pid   309] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   309] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   310] <... mmap resumed>)         = 0x200000000000
[pid   310] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   310] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   332] +++ exited with 0 +++
[pid   303] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=33 /* 0.33 s */} ---
[pid   299] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   299] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   307] exit_group(0 <unfinished ...>
[pid   299] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   338] <... futex resumed>)        = ?
[pid   311] <... futex resumed>)        = ?
[pid   307] <... exit_group resumed>)   = ?
[pid   299] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   338] +++ exited with 0 +++
[pid   311] +++ exited with 0 +++
[pid   299] <... openat resumed>)       = 3
[pid   336] <... read resumed> <unfinished ...>) = ?
[pid   299] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   299] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   299] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   299] unlink("./0/binderfs")      = 0
[pid   299] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   299] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   299] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   299] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   299] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   299] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   299] close(4)                    = 0
[   25.159329][   T49] attempt to access beyond end of device
[   25.159329][   T49] loop3: rw=1, want=72072, limit=40427
[   25.189451][    T7] attempt to access beyond end of device
[   25.189451][    T7] loop1: rw=2049, want=40984, limit=40427
[   25.201618][   T49] attempt to access beyond end of device
[pid   299] rmdir("./0/bus" <unfinished ...>
[pid   336] +++ exited with 0 +++
[pid   307] +++ exited with 0 +++
[pid   300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=20 /* 0.20 s */} ---
[pid   300] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   304] exit_group(0 <unfinished ...>
[pid   309] <... futex resumed>)        = ?
[pid   304] <... exit_group resumed>)   = ?
[pid   309] +++ exited with 0 +++
[pid   337] <... read resumed> <unfinished ...>) = ?
[pid   337] +++ exited with 0 +++
[pid   300] <... restart_syscall resumed>) = 0
[pid   300] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   300] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   300] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   300] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   300] unlink("./0/binderfs")      = 0
[pid   300] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   300] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   300] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   300] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   300] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   300] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   300] close(4)                    = 0
[pid   300] rmdir("./0/bus" <unfinished ...>
[pid   340] <... futex resumed>)        = ?
[pid   306] exit_group(0 <unfinished ...>
[pid   341] <... futex resumed>)        = ?
[pid   306] <... exit_group resumed>)   = ?
[pid   341] +++ exited with 0 +++
[pid   310] <... futex resumed>)        = ?
[pid   339] <... read resumed> <unfinished ...>) = ?
[pid   310] +++ exited with 0 +++
[pid   340] +++ exited with 0 +++
[pid   304] +++ exited with 0 +++
[pid   298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=24 /* 0.24 s */} ---
[pid   298] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   298] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   298] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   298] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   298] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] unlink("./0/binderfs")      = 0
[   25.201618][   T49] loop3: rw=2049, want=40984, limit=40427
[   25.226327][   T49] attempt to access beyond end of device
[   25.226327][   T49] loop2: rw=2049, want=40984, limit=40427
[pid   298] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   339] +++ exited with 0 +++
[pid   306] +++ exited with 0 +++
[pid   302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=28 /* 0.28 s */} ---
[pid   302] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   302] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   302] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   302] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   302] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   302] unlink("./0/binderfs")      = 0
[   25.280654][   T49] attempt to access beyond end of device
[   25.280654][   T49] loop0: rw=2049, want=40984, limit=40427
[   25.311938][    T7] attempt to access beyond end of device
[   25.311938][    T7] loop4: rw=2049, want=40984, limit=40427
[pid   302] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   298] <... umount2 resumed>)      = 0
[pid   298] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   298] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   298] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   298] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   298] close(4)                    = 0
[pid   298] rmdir("./0/bus")            = 0
[pid   298] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   298] close(3)                    = 0
[pid   298] rmdir("./0")                = 0
[pid   298] mkdir("./1", 0777)          = 0
[pid   298] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 3
[pid   298] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   298] close(3)                    = 0
[pid   298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 342
[pid   298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 342 attached
[pid   342] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   342] chdir("./1")                = 0
[pid   342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   342] setpgid(0, 0)               = 0
[pid   342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   342] write(3, "1000", 4)         = 4
[pid   342] close(3)                    = 0
[pid   342] symlink("/dev/binderfs", "./binderfs") = 0
[pid   342] write(1, "executing program\n", 18) = 18
[pid   342] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   342] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   342] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   342] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   342] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[343]}, 88) = 343
[pid   342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   342] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   342] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 343 attached
 <unfinished ...>
[pid   343] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   343] memfd_create("syzkaller", 0) = 3
[pid   343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   302] <... umount2 resumed>)      = 0
[pid   302] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   302] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   302] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   302] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   302] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   302] close(4)                    = 0
[pid   302] rmdir("./0/bus")            = 0
[pid   302] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   302] close(3)                    = 0
[pid   302] rmdir("./0")                = 0
[pid   302] mkdir("./1", 0777)          = 0
[pid   302] openat(AT_FDCWD, "/dev/loop4", O_RDONLY) = 3
[pid   302] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   302] close(3)                    = 0
[pid   302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 344
[pid   302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 344 attached
[pid   344] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   344] chdir("./1")                = 0
[pid   344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   344] setpgid(0, 0)               = 0
[pid   344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   344] write(3, "1000", 4)         = 4
[pid   344] close(3)                    = 0
[pid   344] symlink("/dev/binderfs", "./binderfs") = 0
[pid   344] write(1, "executing program\n", 18) = 18
executing program
[pid   344] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   344] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   344] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[345]}, 88) = 345
[pid   344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   344] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   344] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 345 attached
 <unfinished ...>
[pid   345] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   345] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   345] memfd_create("syzkaller", 0) = 3
[pid   345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   299] <... rmdir resumed>)        = 0
[pid   299] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   299] close(3)                    = 0
[pid   299] rmdir("./0")                = 0
[pid   299] mkdir("./1", 0777)          = 0
[pid   299] openat(AT_FDCWD, "/dev/loop1", O_RDONLY) = 3
[pid   299] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   299] close(3)                    = 0
[pid   299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 346
[pid   299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   300] <... rmdir resumed>)        = 0
ci2-android-5-10/strace-static-x86_64: Process 346 attached
[pid   346] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   346] chdir("./1")                = 0
[pid   346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   346] setpgid(0, 0)               = 0
[pid   346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   346] write(3, "1000", 4)         = 4
[pid   346] close(3)                    = 0
[pid   346] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid   346] write(1, "executing program\n", 18) = 18
[pid   346] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   346] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   346] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   346] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   346] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0}ci2-android-5-10/strace-static-x86_64: Process 347 attached
 => {parent_tid=[347]}, 88) = 347
[pid   346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   346] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   347] set_robust_list(0x7fb3533f19a0, 24 <unfinished ...>
[pid   346] <... futex resumed>)        = 0
[pid   347] <... set_robust_list resumed>) = 0
[pid   346] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   347] memfd_create("syzkaller", 0 <unfinished ...>
[pid   301] <... rmdir resumed>)        = 0
[pid   347] <... memfd_create resumed>) = 3
[pid   301] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   301] close(3)                    = 0
[pid   301] rmdir("./0" <unfinished ...>
[pid   347] <... mmap resumed>)         = 0x7fb34afd1000
[pid   301] <... rmdir resumed>)        = 0
[pid   301] mkdir("./1", 0777)          = 0
[pid   301] openat(AT_FDCWD, "/dev/loop3", O_RDONLY) = 3
[pid   301] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   301] close(3)                    = 0
[pid   301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 348
[pid   301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 348 attached
[pid   348] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   300] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   348] chdir("./1")                = 0
[pid   348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   348] setpgid(0, 0)               = 0
[pid   300] close(3 <unfinished ...>
[pid   348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   348] write(3, "1000", 4)         = 4
[pid   348] close(3)                    = 0
[pid   348] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid   300] <... close resumed>)        = 0
[pid   348] write(1, "executing program\n", 18) = 18
[pid   348] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   348] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   348] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   348] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   348] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[349]}, 88) = 349
[pid   348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   348] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   348] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   300] rmdir("./0")                = 0
[pid   300] mkdir("./1", 0777)          = 0
[pid   300] openat(AT_FDCWD, "/dev/loop2", O_RDONLY) = 3
[pid   300] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   300] close(3)                    = 0
[pid   300] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 349 attached
 <unfinished ...>
[pid   349] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   349] memfd_create("syzkaller", 0 <unfinished ...>
[pid   300] <... clone resumed>, child_tidptr=0x55556a4ec690) = 350
[pid   349] <... memfd_create resumed>) = 3
[pid   349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 350 attached
[pid   350] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   350] chdir("./1")                = 0
[pid   350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   350] setpgid(0, 0)               = 0
[pid   350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   350] write(3, "1000", 4)         = 4
[pid   350] close(3)                    = 0
[pid   350] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid   350] write(1, "executing program\n", 18) = 18
[pid   350] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   350] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   350] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   350] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[351]}, 88) = 351
[pid   350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   350] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   350] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 351 attached
 <unfinished ...>
[pid   351] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   351] memfd_create("syzkaller", 0 <unfinished ...>
[pid   345] 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"..., 20699119 <unfinished ...>
[pid   351] <... memfd_create resumed>) = 3
[pid   351] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   343] 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"..., 20699119 <unfinished ...>
[pid   347] 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"..., 20699119 <unfinished ...>
[pid   349] 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"..., 20699119 <unfinished ...>
[pid   343] <... write resumed>)        = 20699119
[pid   343] munmap(0x7fb34afd1000, 138412032) = 0
[pid   351] 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"..., 20699119 <unfinished ...>
[pid   343] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   343] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   345] <... write resumed>)        = 20699119
[pid   343] <... ioctl resumed>)        = 0
[pid   343] close(3)                    = 0
[pid   343] close(4)                    = 0
[pid   343] mkdir("./bus", 0777)        = 0
[pid   343] mount("/dev/loop0", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   345] munmap(0x7fb34afd1000, 138412032) = 0
[   25.874328][  T343] F2FS-fs (loop0): Invalid segment/section count (28696 != 24 * 1)
[   25.902887][  T343] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[pid   345] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid   351] <... write resumed>)        = 20699119
[pid   345] <... openat resumed>)       = 4
[pid   351] munmap(0x7fb34afd1000, 138412032 <unfinished ...>
[pid   345] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   351] <... munmap resumed>)       = 0
[pid   351] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid   347] <... write resumed>)        = 20699119
[pid   347] munmap(0x7fb34afd1000, 138412032 <unfinished ...>
[pid   351] <... openat resumed>)       = 4
[pid   345] <... ioctl resumed>)        = 0
[pid   351] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   345] close(3)                    = 0
[pid   345] close(4 <unfinished ...>
[pid   347] <... munmap resumed>)       = 0
[pid   347] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid   351] <... ioctl resumed>)        = 0
[pid   351] close(3)                    = 0
[pid   351] close(4 <unfinished ...>
[pid   349] <... write resumed>)        = 20699119
[pid   349] munmap(0x7fb34afd1000, 138412032) = 0
[pid   349] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid   351] <... close resumed>)        = 0
[   25.921181][  T343] F2FS-fs (loop0): invalid crc value
[   25.933962][  T343] F2FS-fs (loop0): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   25.961298][  T343] F2FS-fs (loop0): Start checkpoint disabled!
[pid   347] <... openat resumed>)       = 4
[pid   349] <... openat resumed>)       = 4
[pid   345] <... close resumed>)        = 0
[pid   351] mkdir("./bus", 0777 <unfinished ...>
[pid   349] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   347] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   345] mkdir("./bus", 0777 <unfinished ...>
[pid   351] <... mkdir resumed>)        = 0
[pid   345] <... mkdir resumed>)        = 0
[pid   351] mount("/dev/loop2", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   349] <... ioctl resumed>)        = 0
[pid   345] mount("/dev/loop4", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   349] close(3)                    = 0
[pid   349] close(4 <unfinished ...>
[pid   347] <... ioctl resumed>)        = 0
[pid   343] <... mount resumed>)        = 0
[pid   343] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   343] chdir("./bus")              = 0
[pid   347] close(3)                    = 0
[pid   347] close(4 <unfinished ...>
[   25.968026][  T343] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[   25.975218][  T343] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6
[   25.987749][  T351] F2FS-fs (loop2): Invalid segment/section count (28696 != 24 * 1)
[   25.990464][  T345] F2FS-fs (loop4): Invalid segment/section count (28696 != 24 * 1)
[   26.000749][  T351] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[   26.013923][  T345] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock
[pid   343] openat(AT_FDCWD, "/dev/loop0", O_RDONLY <unfinished ...>
[pid   349] <... close resumed>)        = 0
[pid   349] mkdir("./bus", 0777)        = 0
[   26.014283][  T351] F2FS-fs (loop2): invalid crc value
[   26.022871][  T345] F2FS-fs (loop4): invalid crc value
[   26.031977][  T351] F2FS-fs (loop2): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   26.034267][  T345] F2FS-fs (loop4): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   26.059662][  T351] F2FS-fs (loop2): Start checkpoint disabled!
[   26.066574][  T351] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[pid   349] mount("/dev/loop3", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   351] <... mount resumed>)        = 0
[pid   351] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   351] chdir("./bus")              = 0
[pid   351] openat(AT_FDCWD, "/dev/loop2", O_RDONLY <unfinished ...>
[pid   345] <... mount resumed>)        = 0
[pid   345] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   345] chdir("./bus")              = 0
[pid   345] openat(AT_FDCWD, "/dev/loop4", O_RDONLY <unfinished ...>
[pid   347] <... close resumed>)        = 0
[pid   343] <... openat resumed>)       = 4
[pid   343] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   347] mkdir("./bus", 0777)        = 0
[   26.070838][  T345] F2FS-fs (loop4): Start checkpoint disabled!
[   26.075854][  T351] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e6
[   26.080514][  T345] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0
[   26.094230][  T345] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e6
[pid   347] mount("/dev/loop1", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   343] <... ioctl resumed>)        = 0
[pid   343] close(4 <unfinished ...>
[pid   351] <... openat resumed>)       = 4
[pid   345] <... openat resumed>)       = 4
[pid   343] <... close resumed>)        = 0
[pid   343] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   342] <... futex resumed>)        = 0
[pid   343] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   342] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   343] <... openat resumed>)       = 4
[pid   342] <... futex resumed>)        = 0
[pid   342] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   343] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   342] <... futex resumed>)        = 0
[pid   343] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[pid   342] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   343] <... ioctl resumed>)        = 0
[pid   342] <... futex resumed>)        = 0
[pid   343] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   342] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   343] <... futex resumed>)        = 0
[pid   342] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   343] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   342] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   343] <... openat resumed>)       = 5
[pid   342] <... futex resumed>)        = 0
[pid   343] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   342] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   343] <... futex resumed>)        = 0
[pid   342] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   343] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   342] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   343] <... pwrite64 resumed>)     = 1
[pid   342] <... futex resumed>)        = 0
[pid   343] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   342] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   343] <... futex resumed>)        = 0
[pid   342] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   343] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   342] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   343] <... openat resumed>)       = 6
[pid   342] <... futex resumed>)        = 0
[pid   343] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   342] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   343] <... futex resumed>)        = 0
[pid   342] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   343] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   342] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   351] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   345] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   342] <... futex resumed>)        = 0
[pid   345] <... ioctl resumed>)        = 0
[pid   351] <... ioctl resumed>)        = 0
[pid   345] close(4 <unfinished ...>
[pid   351] close(4 <unfinished ...>
[pid   345] <... close resumed>)        = 0
[pid   351] <... close resumed>)        = 0
[pid   345] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   351] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   344] <... futex resumed>)        = 0
[pid   344] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   344] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   351] <... futex resumed>)        = 1
[pid   350] <... futex resumed>)        = 0
[pid   342] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   345] <... futex resumed>)        = 1
[pid   350] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   345] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   351] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   350] <... futex resumed>)        = 0
[pid   350] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   351] <... openat resumed>)       = 4
[pid   345] <... openat resumed>)       = 4
[pid   345] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   351] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   344] <... futex resumed>)        = 0
[pid   344] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   344] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   351] <... futex resumed>)        = 1
[pid   350] <... futex resumed>)        = 0
[pid   350] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   345] <... futex resumed>)        = 1
[pid   350] <... futex resumed>)        = 0
[pid   345] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[pid   350] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   351] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[pid   345] <... ioctl resumed>)        = 0
[pid   351] <... ioctl resumed>)        = 0
[pid   345] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   351] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   345] <... futex resumed>)        = 1
[pid   344] <... futex resumed>)        = 0
[pid   351] <... futex resumed>)        = 1
[pid   350] <... futex resumed>)        = 0
[pid   344] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   350] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   344] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   351] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   350] <... futex resumed>)        = 0
[pid   345] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   350] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   351] <... openat resumed>)       = 5
[pid   345] <... openat resumed>)       = 5
[pid   351] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   345] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   350] <... futex resumed>)        = 0
[pid   344] <... futex resumed>)        = 0
[pid   351] <... futex resumed>)        = 1
[pid   350] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   345] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   344] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   351] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   350] <... futex resumed>)        = 0
[pid   344] <... futex resumed>)        = 0
[pid   344] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   350] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   351] <... pwrite64 resumed>)     = 1
[pid   345] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   345] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   351] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   345] <... pwrite64 resumed>)     = 1
[pid   351] <... futex resumed>)        = 1
[pid   350] <... futex resumed>)        = 0
[pid   345] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   351] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   350] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   351] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   350] <... futex resumed>)        = 0
[pid   345] <... futex resumed>)        = 1
[pid   344] <... futex resumed>)        = 0
[pid   351] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   350] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   345] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   344] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   351] <... openat resumed>)       = 6
[pid   345] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   344] <... futex resumed>)        = 0
[pid   351] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   345] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   344] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   351] <... futex resumed>)        = 1
[pid   350] <... futex resumed>)        = 0
[pid   345] <... openat resumed>)       = 6
[pid   351] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   350] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   345] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   350] <... futex resumed>)        = 0
[pid   350] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   345] <... futex resumed>)        = 1
[pid   344] <... futex resumed>)        = 0
[pid   344] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   344] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[   26.142475][  T349] F2FS-fs (loop3): Invalid segment/section count (28696 != 24 * 1)
[   26.143999][  T347] F2FS-fs (loop1): Invalid segment/section count (28696 != 24 * 1)
[   26.158582][  T347] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[   26.167166][  T349] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock
[   26.182055][  T347] F2FS-fs (loop1): invalid crc value
[   26.198232][  T349] F2FS-fs (loop3): invalid crc value
[pid   345] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   343] <... mmap resumed>)         = 0x200000000000
[pid   343] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   343] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   342] <... futex resumed>)        = 0
[pid   342] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   342] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   343] <... futex resumed>)        = 0
[pid   343] read(6 <unfinished ...>
[pid   350] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   350] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   344] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   350] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   344] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} <unfinished ...>
[pid   350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   344] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   344] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} <unfinished ...>
[pid   350] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   344] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   350] <... mprotect resumed>)     = 0
[pid   344] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   350] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   344] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[367]}, 88) = 367
[pid   344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   344] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   344] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   350] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[368]}, 88) = 368
[pid   350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   350] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   350] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 368 attached
 <unfinished ...>
[pid   368] set_robust_list(0x7fb3533d09a0, 24ci2-android-5-10/strace-static-x86_64: Process 367 attached
) = 0
[pid   368] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   367] set_robust_list(0x7fb3533d09a0, 24 <unfinished ...>
[pid   368] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   367] <... set_robust_list resumed>) = 0
[pid   368] read(6 <unfinished ...>
[pid   367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   367] read(6 <unfinished ...>
[pid   342] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   342] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   342] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   342] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   342] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   342] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[369]}, 88) = 369
[pid   342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   342] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   342] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   344] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   344] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-5-10/strace-static-x86_64: Process 369 attached
) = 0x7fb35338f000
[pid   344] mprotect(0x7fb353390000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   369] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   369] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   344] <... mprotect resumed>)     = 0
[pid   344] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   369] <... unshare resumed>)      = 0
[pid   344] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   369] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533af990, parent_tid=0x7fb3533af990, exit_signal=0, stack=0x7fb35338f000, stack_size=0x20300, tls=0x7fb3533af6c0} <unfinished ...>
[pid   342] <... futex resumed>)        = 0
[pid   344] <... clone3 resumed> => {parent_tid=[370]}, 88) = 370
[pid   344] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   369] <... futex resumed>)        = 1
[pid   369] futex(0x7fb3534c9e58, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   344] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   344] futex(0x7fb3534c9e68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   26.222896][  T347] F2FS-fs (loop1): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   26.246827][  T349] F2FS-fs (loop3): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[pid   344] futex(0x7fb3534c9e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 370 attached
 <unfinished ...>
[pid   370] set_robust_list(0x7fb3533af9a0, 24) = 0
[pid   370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   370] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   350] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   350] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   350] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} <unfinished ...>
[pid   370] <... unshare resumed>)      = 0
[pid   350] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   370] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   350] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   370] <... futex resumed>)        = 1
[pid   350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   344] <... futex resumed>)        = 0
[pid   370] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   350] <... mmap resumed>)         = 0x7fb35338f000
[pid   350] mprotect(0x7fb353390000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   350] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533af990, parent_tid=0x7fb3533af990, exit_signal=0, stack=0x7fb35338f000, stack_size=0x20300, tls=0x7fb3533af6c0} => {parent_tid=[371]}, 88) = 371
[pid   350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   350] futex(0x7fb3534c9e68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   350] futex(0x7fb3534c9e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   345] <... mmap resumed>)         = 0x200000000000
[pid   345] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   345] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-10/strace-static-x86_64: Process 371 attached
 <unfinished ...>
[pid   371] set_robust_list(0x7fb3533af9a0, 24) = 0
[pid   371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   371] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID) = 0
[pid   371] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   350] <... futex resumed>)        = 0
[pid   371] <... futex resumed>)        = 1
[pid   371] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   349] <... mount resumed>)        = 0
[pid   349] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   349] chdir("./bus")              = 0
[pid   349] openat(AT_FDCWD, "/dev/loop3", O_RDONLY) = 4
[pid   349] ioctl(4, LOOP_CLR_FD)       = 0
[pid   349] close(4)                    = 0
[pid   349] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   348] <... futex resumed>)        = 0
[pid   351] <... mmap resumed>)         = 0x200000000000
[pid   349] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   348] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   351] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   348] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   349] <... openat resumed>)       = 4
[pid   349] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   348] <... futex resumed>)        = 0
[pid   349] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   348] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   351] <... futex resumed>)        = 0
[pid   351] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   349] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   348] <... futex resumed>)        = 0
[pid   349] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[pid   348] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   349] <... ioctl resumed>)        = 0
[pid   349] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   348] <... futex resumed>)        = 0
[pid   349] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   348] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   349] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   348] <... futex resumed>)        = 0
[pid   348] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   349] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 5
[pid   349] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   348] <... futex resumed>)        = 0
[pid   349] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   348] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   349] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   348] <... futex resumed>)        = 0
[pid   349] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   348] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   349] <... pwrite64 resumed>)     = 1
[pid   349] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   348] <... futex resumed>)        = 0
[pid   348] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   349] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   348] <... futex resumed>)        = 0
[pid   349] <... openat resumed>)       = 6
[pid   348] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   349] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   348] <... futex resumed>)        = 0
[pid   349] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   348] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   349] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[   26.330545][  T347] F2FS-fs (loop1): Start checkpoint disabled!
[   26.333692][  T349] F2FS-fs (loop3): Start checkpoint disabled!
[   26.354933][  T349] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0
[   26.363773][  T347] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[   26.370424][  T349] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e6
[pid   348] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   349] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   347] <... mount resumed>)        = 0
[pid   347] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   347] chdir("./bus")              = 0
[pid   347] openat(AT_FDCWD, "/dev/loop1", O_RDONLY) = 4
[pid   347] ioctl(4, LOOP_CLR_FD)       = 0
[pid   347] close(4)                    = 0
[pid   347] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   346] <... futex resumed>)        = 0
[pid   346] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   346] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   347] <... futex resumed>)        = 1
[pid   347] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 4
[pid   347] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   346] <... futex resumed>)        = 0
[pid   346] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   346] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   347] <... futex resumed>)        = 1
[pid   347] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0) = 0
[pid   347] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   346] <... futex resumed>)        = 0
[pid   346] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   346] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   347] <... futex resumed>)        = 1
[pid   347] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 5
[pid   347] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   346] <... futex resumed>)        = 0
[pid   346] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   346] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   347] <... futex resumed>)        = 1
[pid   347] pwrite64(5, "\f", 1, 134220897) = 1
[pid   347] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   346] <... futex resumed>)        = 0
[pid   346] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   346] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   347] <... futex resumed>)        = 1
[pid   347] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025) = 6
[pid   347] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   346] <... futex resumed>)        = 0
[pid   346] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   346] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   347] <... futex resumed>)        = 1
[pid   347] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   348] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   348] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   348] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   348] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[372]}, 88) = 372
[pid   348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   348] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   348] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 372 attached
 <unfinished ...>
[pid   372] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[   26.399660][  T347] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e6
[pid   372] read(6 <unfinished ...>
[pid   342] exit_group(0 <unfinished ...>
[pid   369] <... futex resumed>)        = ?
[pid   342] <... exit_group resumed>)   = ?
[pid   369] +++ exited with 0 +++
[pid   343] <... read resumed> <unfinished ...>) = ?
[pid   344] exit_group(0 <unfinished ...>
[pid   370] <... futex resumed>)        = ?
[pid   344] <... exit_group resumed>)   = ?
[pid   345] <... futex resumed>)        = ?
[pid   345] +++ exited with 0 +++
[pid   367] <... read resumed> <unfinished ...>) = ?
[pid   370] +++ exited with 0 +++
[pid   350] exit_group(0)               = ?
[pid   371] <... futex resumed>)        = ?
[pid   351] <... futex resumed>)        = ?
[pid   351] +++ exited with 0 +++
[pid   371] +++ exited with 0 +++
[pid   346] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   346] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   368] <... read resumed> <unfinished ...>) = ?
[pid   346] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   346] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   346] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   346] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[373]}, 88) = 373
[pid   346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   346] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   346] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   349] <... mmap resumed>)         = 0x200000000000
[pid   349] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-10/strace-static-x86_64: Process 373 attached
 <unfinished ...>
[pid   373] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   373] read(6 <unfinished ...>
[pid   349] <... futex resumed>)        = 0
[pid   349] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   348] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   348] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   349] <... futex resumed>)        = 0
[pid   349] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   348] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   349] <... unshare resumed>)      = 0
[pid   349] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   348] <... futex resumed>)        = 0
[pid   349] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   368] +++ exited with 0 +++
[pid   350] +++ exited with 0 +++
[pid   300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=350, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=30 /* 0.30 s */} ---
[pid   300] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   300] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   300] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   300] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   300] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   300] unlink("./1/binderfs")      = 0
[pid   300] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   300] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] newfstatat(AT_FDCWD, "./1/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   300] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] openat(AT_FDCWD, "./1/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   300] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   300] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   300] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   300] close(4)                    = 0
[pid   300] rmdir("./1/bus" <unfinished ...>
[pid   346] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   346] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   343] +++ exited with 0 +++
[pid   342] +++ exited with 0 +++
[pid   298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=342, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=26 /* 0.26 s */} ---
[pid   298] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   346] <... mmap resumed>)         = 0x7fb35338f000
[pid   346] mprotect(0x7fb353390000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   346] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   367] +++ exited with 0 +++
[pid   346] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   344] +++ exited with 0 +++
[pid   346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533af990, parent_tid=0x7fb3533af990, exit_signal=0, stack=0x7fb35338f000, stack_size=0x20300, tls=0x7fb3533af6c0} <unfinished ...>
[pid   302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=344, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=27 /* 0.27 s */} ---
[pid   346] <... clone3 resumed> => {parent_tid=[374]}, 88) = 374
[pid   302] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   346] futex(0x7fb3534c9e68, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   302] <... restart_syscall resumed>) = 0
[pid   346] <... futex resumed>)        = 0
[pid   346] futex(0x7fb3534c9e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   298] <... restart_syscall resumed>) = 0
[pid   302] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   298] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   302] <... openat resumed>)       = 3
[pid   302] fstat(3 <unfinished ...>
[pid   298] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   302] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   298] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   302] getdents64(3 <unfinished ...>
[pid   298] <... openat resumed>)       = 3
[pid   302] <... getdents64 resumed>, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   298] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   302] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   298] getdents64(3 <unfinished ...>
[pid   302] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   298] <... getdents64 resumed>, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   302] newfstatat(AT_FDCWD, "./1/binderfs" <unfinished ...>
[pid   298] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   302] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   302] unlink("./1/binderfs" <unfinished ...>
[pid   298] newfstatat(AT_FDCWD, "./1/binderfs" <unfinished ...>
[pid   302] <... unlink resumed>)       = 0
[pid   298] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   302] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   298] unlink("./1/binderfs")      = 0
[pid   302] <... umount2 resumed>)      = 0
[pid   298] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   302] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] <... umount2 resumed>)      = 0
[pid   302] newfstatat(AT_FDCWD, "./1/bus" <unfinished ...>
[pid   298] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   302] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   302] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   298] newfstatat(AT_FDCWD, "./1/bus" <unfinished ...>
[pid   302] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   298] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   302] openat(AT_FDCWD, "./1/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   298] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   302] <... openat resumed>)       = 4
[pid   298] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   302] fstat(4 <unfinished ...>
[pid   298] openat(AT_FDCWD, "./1/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   302] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   298] <... openat resumed>)       = 4
[pid   302] getdents64(4 <unfinished ...>
[pid   298] fstat(4 <unfinished ...>
[pid   302] <... getdents64 resumed>, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   298] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   302] getdents64(4 <unfinished ...>
[pid   298] getdents64(4 <unfinished ...>
[pid   302] <... getdents64 resumed>, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   302] close(4 <unfinished ...>
[pid   298] <... getdents64 resumed>, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   302] <... close resumed>)        = 0
[pid   298] getdents64(4 <unfinished ...>
[pid   302] rmdir("./1/bus" <unfinished ...>
[pid   298] <... getdents64 resumed>, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   298] close(4)                    = 0
[pid   298] rmdir("./1/bus"ci2-android-5-10/strace-static-x86_64: Process 374 attached
 <unfinished ...>
[pid   374] set_robust_list(0x7fb3533af9a0, 24) = 0
[pid   374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   374] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID) = 0
[pid   374] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   346] <... futex resumed>)        = 0
[   26.528927][   T49] attempt to access beyond end of device
[   26.528927][   T49] loop2: rw=2049, want=40984, limit=40427
[   26.557329][    T7] attempt to access beyond end of device
[   26.557329][    T7] loop4: rw=2049, want=40984, limit=40427
[pid   374] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   347] <... mmap resumed>)         = 0x200000000000
[pid   347] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   347] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   348] exit_group(0 <unfinished ...>
[pid   349] <... futex resumed>)        = ?
[pid   348] <... exit_group resumed>)   = ?
[pid   372] <... read resumed> <unfinished ...>) = ?
[   26.645152][  T372] BUG: scheduling while atomic: syz-executor203/372/0x00000002
[   26.652750][  T372] Modules linked in:
[   26.656635][  T372] Preemption disabled at:
[   26.656676][  T372] [<ffffffff81952eb4>] unmap_page_range+0xa54/0x2190
[   26.667725][  T372] CPU: 0 PID: 372 Comm: syz-executor203 Not tainted syzkaller #0
[   26.675427][  T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[   26.685482][  T372] Call Trace:
[   26.688770][  T372]  __dump_stack+0x21/0x24
[   26.693094][  T372]  dump_stack_lvl+0x1a7/0x208
[   26.697761][  T372]  ? unmap_page_range+0xa54/0x2190
[   26.702861][  T372]  ? show_regs_print_info+0x18/0x18
[   26.708057][  T372]  ? _raw_spin_lock_irqsave+0xc2/0x130
[   26.713530][  T372]  ? unmap_page_range+0xa54/0x2190
[   26.718631][  T372]  dump_stack+0x15/0x1c
[   26.722778][  T372]  __schedule_bug+0x183/0x240
[   26.727445][  T372]  ? __migrate_task+0x190/0x190
[   26.732284][  T372]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[   26.738089][  T372]  ? __stack_depot_save+0x480/0x4c0
[pid   346] exit_group(0 <unfinished ...>
[pid   374] <... futex resumed>)        = ?
[pid   347] <... futex resumed>)        = ?
[pid   346] <... exit_group resumed>)   = ?
[pid   347] +++ exited with 0 +++
[pid   373] <... read resumed> <unfinished ...>) = ?
[pid   373] +++ exited with 0 +++
[   26.743282][  T372]  __schedule+0xcee/0x13e0
[   26.747688][  T372]  ? __kasan_slab_alloc+0xb7/0xe0
[   26.752699][  T372]  ? kmem_cache_alloc+0x15a/0x2d0
[   26.757707][  T372]  ? f2fs_register_inmem_page+0x130/0x470
[   26.763400][  T372]  ? f2fs_set_data_page_dirty+0x557/0x6e0
[   26.769091][  T372]  ? __sched_text_start+0x8/0x8
[   26.773912][  T372]  ? __mutex_add_waiter+0x184/0x280
[   26.779099][  T372]  ? __kasan_check_write+0x14/0x20
[   26.784181][  T372]  ? atomic_dec_and_mutex_lock+0x1a0/0x1a0
[   26.789957][  T372]  schedule+0x13c/0x1d0
[   26.794084][  T372]  schedule_preempt_disabled+0x13/0x20
[   26.799510][  T372]  __mutex_lock+0x5d4/0xc40
[   26.803984][  T372]  ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[   26.810729][  T372]  __mutex_lock_slowpath+0xe/0x10
[   26.815723][  T372]  mutex_lock+0xdb/0xf0
[   26.819846][  T372]  ? mutex_trylock+0xb0/0xb0
[   26.824412][  T372]  ? f2fs_register_inmem_page+0x130/0x470
[   26.830102][  T372]  ? kmem_cache_alloc+0x15a/0x2d0
[   26.835096][  T372]  ? f2fs_register_inmem_page+0x130/0x470
[   26.840790][  T372]  f2fs_register_inmem_page+0x211/0x470
[   26.846316][  T372]  f2fs_set_data_page_dirty+0x557/0x6e0
[   26.851839][  T372]  ? f2fs_write_data_pages+0x28f0/0x28f0
[   26.857461][  T372]  set_page_dirty+0x1a2/0x300
[   26.862113][  T372]  unmap_page_range+0x104c/0x2190
[   26.867110][  T372]  ? lru_cache_disable+0xa0/0xa0
[   26.872020][  T372]  ? copy_page_range+0x27a0/0x27a0
[   26.877102][  T372]  unmap_vmas+0x25f/0x360
[   26.881402][  T372]  ? unmap_page_range+0x2190/0x2190
[   26.886589][  T372]  ? __kasan_check_write+0x14/0x20
[   26.891669][  T372]  ? tlb_gather_mmu+0x269/0x330
[   26.896487][  T372]  exit_mmap+0x309/0x590
[   26.900701][  T372]  ? vm_brk+0x30/0x30
[   26.904660][  T372]  ? mutex_lock+0x92/0xf0
[   26.908964][  T372]  ? mutex_unlock+0x1c/0x40
[   26.913443][  T372]  __mmput+0x92/0x2d0
[   26.917399][  T372]  mmput+0x4e/0x150
[   26.921179][  T372]  do_exit+0x9d8/0x24e0
[   26.925312][  T372]  ? __kasan_check_write+0x14/0x20
[   26.930397][  T372]  ? put_task_struct+0x90/0x90
[   26.935542][  T372]  ? compat_start_thread+0x80/0x80
[   26.940632][  T372]  ? __kasan_check_write+0x14/0x20
[   26.945725][  T372]  ? _raw_spin_lock_irq+0x95/0xf0
[   26.950729][  T372]  do_group_exit+0x149/0x310
[   26.955303][  T372]  ? __kasan_check_write+0x14/0x20
[   26.960413][  T372]  ? recalc_sigpending+0x1ac/0x230
[   26.965500][  T372]  get_signal+0xfb1/0x1300
[   26.969907][  T372]  arch_do_signal_or_restart+0xe7/0x11b0
[   26.975527][  T372]  ? __kasan_check_write+0x14/0x20
[   26.980610][  T372]  ? ptrace_stop+0x69f/0x9c0
[   26.985173][  T372]  ? __ia32_sys_rt_sigreturn+0x730/0x730
[   26.990779][  T372]  ? _raw_spin_unlock_irq+0x4e/0x70
[   26.995963][  T372]  ? ptrace_notify+0x1ea/0x270
[   27.000702][  T372]  ? vfs_write+0xd70/0xd70
[   27.005095][  T372]  exit_to_user_mode_loop+0xa2/0xe0
[   27.010269][  T372]  exit_to_user_mode_prepare+0x76/0xa0
[   27.015709][  T372]  syscall_exit_to_user_mode+0x1d/0x40
[   27.021146][  T372]  do_syscall_64+0x3d/0x40
[   27.025553][  T372]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   27.031422][  T372] RIP: 0033:0x7fb35341cb89
[   27.035809][  T372] Code: Unable to access opcode bytes at RIP 0x7fb35341cb5f.
[pid   349] +++ exited with 0 +++
[   27.043152][  T372] RSP: 002b:00007fb3533d0218 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[   27.051537][  T372] RAX: 0000000000c21000 RBX: 00007fb3534c9e58 RCX: 00007fb35341cb89
[   27.059485][  T372] RDX: 00000000fffffeb1 RSI: 0000200000005d80 RDI: 0000000000000006
[   27.067432][  T372] RBP: 00007fb3534c9e50 R08: 00007fb3533d06c0 R09: 33203a6b63617473
[   27.075382][  T372] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb35349aabc
[   27.083326][  T372] R13: 0000200000000000 R14: 0000200000005d80 R15: 00000000fffffeb1
[pid   374] +++ exited with 0 +++
[pid   346] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=346, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=24 /* 0.24 s */} ---
[pid   299] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   299] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   299] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   299] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   299] unlink("./1/binderfs")      = 0
[   27.092121][  T372] ------------[ cut here ]------------
[   27.097637][  T372] DEBUG_LOCKS_WARN_ON(val > preempt_count())
[   27.097716][  T372] WARNING: CPU: 0 PID: 372 at kernel/sched/core.c:4488 preempt_count_sub+0xa7/0x170
[   27.113118][  T372] Modules linked in:
[   27.117018][  T372] CPU: 0 PID: 372 Comm: syz-executor203 Tainted: G        W         syzkaller #0
[   27.126152][  T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[   27.136283][  T372] RIP: 0010:preempt_count_sub+0xa7/0x170
[pid   299] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   300] <... rmdir resumed>)        = 0
[pid   300] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   300] close(3)                    = 0
[pid   300] rmdir("./1")                = 0
[pid   300] mkdir("./2", 0777)          = 0
[   27.141929][  T372] Code: e8 03 0f b6 04 18 84 c0 0f 85 8b 00 00 00 83 3d b6 e1 7e 05 00 75 d2 48 c7 c7 80 14 e8 84 48 c7 c6 20 15 e8 84 e8 19 68 35 03 <0f> 0b eb bb e8 50 9d f6 00 85 c0 74 b2 48 c7 c0 c8 b3 c3 86 48 c1
[   27.161547][  T372] RSP: 0018:ffffc90000fe7588 EFLAGS: 00010246
[   27.167604][  T372] RAX: 32e1e7670dcf3f00 RBX: dffffc0000000000 RCX: ffff88810c5b5000
[   27.177659][  T372] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[   27.187087][  T372] RBP: ffffc90000fe7598 R08: ffff8881f7127493 R09: 1ffff1103ee24e92
[   27.195222][  T372] R10: dffffc0000000000 R11: ffffed103ee24e93 R12: 1ffff920001fcee0
[   27.203319][  T372] R13: dffffc0000000000 R14: ffff88811df135f0 R15: 1ffff920001fcf24
[   27.211326][  T372] FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   27.220264][  T372] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.226851][  T372] CR2: 0000200000852000 CR3: 0000000105f96000 CR4: 00000000003506b0
[   27.234844][  T372] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[pid   300] openat(AT_FDCWD, "/dev/loop2", O_RDONLY) = 3
[pid   300] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   300] close(3)                    = 0
[pid   300] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 376
[pid   300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[   27.242831][  T372] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.250785][  T372] Call Trace:
[   27.254096][  T372]  _raw_spin_unlock+0x4d/0x70
[   27.258754][  T372]  unmap_page_range+0x1d78/0x2190
[   27.263780][  T372]  ? lru_cache_disable+0xa0/0xa0
[   27.268707][  T372]  ? copy_page_range+0x27a0/0x27a0
[   27.273829][  T372]  unmap_vmas+0x25f/0x360
[   27.278154][  T372]  ? unmap_page_range+0x2190/0x2190
[   27.283366][  T372]  ? __kasan_check_write+0x14/0x20
[   27.288470][  T372]  ? tlb_gather_mmu+0x269/0x330
[   27.293529][  T372]  exit_mmap+0x309/0x590
ci2-android-5-10/strace-static-x86_64: Process 376 attached
[pid   376] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   376] chdir("./2")                = 0
[pid   376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   376] setpgid(0, 0)               = 0
[pid   376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   376] write(3, "1000", 4)         = 4
[pid   376] close(3)                    = 0
[pid   376] symlink("/dev/binderfs", "./binderfs") = 0
[pid   376] write(1, "executing program\n", 18) = 18
executing program
[pid   376] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   376] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   376] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   376] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   376] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[377]}, 88) = 377
[pid   376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   376] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   376] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 377 attached
 <unfinished ...>
[pid   377] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   377] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   377] memfd_create("syzkaller", 0) = 3
[pid   377] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   302] <... rmdir resumed>)        = 0
[pid   298] <... rmdir resumed>)        = 0
[pid   302] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   302] close(3)                    = 0
[pid   302] rmdir("./1")                = 0
[pid   302] mkdir("./2", 0777)          = 0
[pid   302] openat(AT_FDCWD, "/dev/loop4", O_RDONLY) = 3
[pid   302] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   302] close(3)                    = 0
[pid   302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   298] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   298] close(3)                    = 0
[pid   298] rmdir("./1")                = 0
[pid   302] <... clone resumed>, child_tidptr=0x55556a4ec690) = 378
[pid   302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   298] mkdir("./2", 0777)          = 0
[pid   298] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 3
[pid   298] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   298] close(3)                    = 0
[pid   298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 379
[pid   298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 378 attached
[pid   378] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   378] chdir("./2")                = 0
[pid   378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   378] setpgid(0, 0)               = 0
[pid   378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   378] write(3, "1000", 4)         = 4
[pid   378] close(3)                    = 0
[pid   378] symlink("/dev/binderfs", "./binderfs") = 0
[pid   378] write(1, "executing program\n", 18) = 18
executing program
[pid   378] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   378] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   378] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   378] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   378] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[380]}, 88) = 380
[pid   378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   378] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   378] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 379 attached
 <unfinished ...>
[pid   379] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   379] chdir("./2")                = 0
[pid   379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   379] setpgid(0, 0)               = 0
[pid   379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   379] write(3, "1000", 4)         = 4
[pid   379] close(3)                    = 0
[pid   379] symlink("/dev/binderfs", "./binderfs") = 0
[pid   379] write(1, "executing program\n", 18) = 18
executing program
[pid   379] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   379] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   379] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   379] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[381]}, 88) = 381
[pid   379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[   27.297767][  T372]  ? vm_brk+0x30/0x30
[   27.311296][  T372]  ? mutex_lock+0x92/0xf0
[   27.315784][  T372]  ? mutex_unlock+0x1c/0x40
[   27.320491][  T372]  __mmput+0x92/0x2d0
[   27.331265][  T372]  mmput+0x4e/0x150
[   27.335078][  T372]  do_exit+0x9d8/0x24e0
[   27.339224][  T372]  ? __kasan_check_write+0x14/0x20
[pid   379] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-10/strace-static-x86_64: Process 381 attached
ci2-android-5-10/strace-static-x86_64: Process 380 attached
 <unfinished ...>
[pid   299] <... umount2 resumed>)      = 0
[pid   381] set_robust_list(0x7fb3533f19a0, 24 <unfinished ...>
[pid   380] set_robust_list(0x7fb3533f19a0, 24 <unfinished ...>
[pid   379] <... futex resumed>)        = 0
[pid   299] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   380] <... set_robust_list resumed>) = 0
[pid   381] <... set_robust_list resumed>) = 0
[pid   380] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   379] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   299] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   380] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   381] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   380] memfd_create("syzkaller", 0 <unfinished ...>
[pid   299] newfstatat(AT_FDCWD, "./1/bus" <unfinished ...>
[pid   380] <... memfd_create resumed>) = 3
[pid   381] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   299] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   380] <... mmap resumed>)         = 0x7fb34afd1000
[pid   381] memfd_create("syzkaller", 0) = 3
[pid   381] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   299] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] openat(AT_FDCWD, "./1/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   299] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   299] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   299] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[   27.374211][  T372]  ? put_task_struct+0x90/0x90
[   27.379167][  T372]  ? compat_start_thread+0x80/0x80
[   27.391291][  T372]  ? __kasan_check_write+0x14/0x20
[   27.396413][  T372]  ? _raw_spin_lock_irq+0x95/0xf0
[pid   299] close(4)                    = 0
[pid   299] rmdir("./1/bus")            = 0
[pid   381] 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"..., 20699119 <unfinished ...>
[pid   299] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   299] close(3)                    = 0
[pid   299] rmdir("./1")                = 0
[pid   299] mkdir("./2", 0777)          = 0
[pid   299] openat(AT_FDCWD, "/dev/loop1", O_RDONLY) = 3
[pid   299] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   299] close(3)                    = 0
[pid   299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 382
[pid   299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 382 attached
[pid   382] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   382] chdir("./2")                = 0
[pid   382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   382] setpgid(0, 0)               = 0
[pid   382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   382] write(3, "1000", 4)         = 4
[pid   382] close(3)                    = 0
[pid   382] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid   382] write(1, "executing program\n", 18) = 18
[pid   382] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   382] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   382] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   382] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[383]}, 88) = 383
[pid   382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   382] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   27.422091][  T372]  do_group_exit+0x149/0x310
[   27.431267][  T372]  ? __kasan_check_write+0x14/0x20
[   27.436379][  T372]  ? recalc_sigpending+0x1ac/0x230
[pid   382] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 383 attached
 <unfinished ...>
[pid   383] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   383] memfd_create("syzkaller", 0) = 3
[pid   383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   381] <... write resumed>)        = 20699119
[pid   381] munmap(0x7fb34afd1000, 138412032 <unfinished ...>
[pid   377] 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"..., 20699119 <unfinished ...>
[pid   381] <... munmap resumed>)       = 0
[   27.469765][  T372]  get_signal+0xfb1/0x1300
[   27.481299][  T372]  arch_do_signal_or_restart+0xe7/0x11b0
[   27.486950][  T372]  ? __kasan_check_write+0x14/0x20
[pid   381] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   381] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   381] close(3)                    = 0
[pid   381] close(4)                    = 0
[pid   381] mkdir("./bus", 0777)        = 0
[pid   381] mount("/dev/loop0", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[   27.516687][  T372]  ? ptrace_stop+0x69f/0x9c0
[   27.522366][  T372]  ? __ia32_sys_rt_sigreturn+0x730/0x730
[   27.531714][  T381] F2FS-fs (loop0): Invalid segment/section count (28696 != 24 * 1)
[   27.550346][  T381] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[   27.558561][  T372]  ? _raw_spin_unlock_irq+0x4e/0x70
[pid   380] 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"..., 20699119 <unfinished ...>
[   27.563783][  T372]  ? ptrace_notify+0x1ea/0x270
[   27.568540][  T372]  ? vfs_write+0xd70/0xd70
[   27.591890][  T381] F2FS-fs (loop0): invalid crc value
[   27.601526][  T372]  exit_to_user_mode_loop+0xa2/0xe0
[   27.606729][  T372]  exit_to_user_mode_prepare+0x76/0xa0
[pid   383] 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"..., 20699119 <unfinished ...>
[pid   377] <... write resumed>)        = 20699119
[pid   377] munmap(0x7fb34afd1000, 138412032 <unfinished ...>
[pid   383] <... write resumed>)        = 20699119
[pid   383] munmap(0x7fb34afd1000, 138412032) = 0
[pid   383] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid   377] <... munmap resumed>)       = 0
[pid   383] <... openat resumed>)       = 4
[pid   383] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   377] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid   383] <... ioctl resumed>)        = 0
[pid   377] <... openat resumed>)       = 4
[pid   377] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   383] close(3)                    = 0
[   27.621891][  T381] F2FS-fs (loop0): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   27.642047][  T372]  syscall_exit_to_user_mode+0x1d/0x40
[   27.647511][  T372]  do_syscall_64+0x3d/0x40
[   27.662492][  T372]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[pid   383] close(4)                    = 0
[pid   377] <... ioctl resumed>)        = 0
[pid   383] mkdir("./bus", 0777)        = 0
[pid   383] mount("/dev/loop1", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   377] close(3)                    = 0
[pid   377] close(4 <unfinished ...>
[pid   380] <... write resumed>)        = 20699119
[   27.678288][  T372] RIP: 0033:0x7fb35341cb89
[   27.682159][  T381] F2FS-fs (loop0): Start checkpoint disabled!
[   27.687712][  T372] Code: Unable to access opcode bytes at RIP 0x7fb35341cb5f.
[   27.691852][  T381] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[   27.696660][  T372] RSP: 002b:00007fb3533d0218 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[   27.713162][  T372] RAX: 0000000000c21000 RBX: 00007fb3534c9e58 RCX: 00007fb35341cb89
[   27.719693][  T381] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6
[pid   377] <... close resumed>)        = 0
[pid   377] mkdir("./bus", 0777 <unfinished ...>
[pid   381] <... mount resumed>)        = 0
[pid   380] munmap(0x7fb34afd1000, 138412032 <unfinished ...>
[pid   377] <... mkdir resumed>)        = 0
[pid   377] mount("/dev/loop2", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   381] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   380] <... munmap resumed>)       = 0
[pid   381] <... openat resumed>)       = 3
[   27.722939][  T383] F2FS-fs (loop1): Invalid segment/section count (28696 != 24 * 1)
[   27.728844][  T372] RDX: 00000000fffffeb1 RSI: 0000200000005d80 RDI: 0000000000000006
[   27.737590][  T377] F2FS-fs (loop2): Invalid segment/section count (28696 != 24 * 1)
[   27.745339][  T372] RBP: 00007fb3534c9e50 R08: 00007fb3533d06c0 R09: 33203a6b63617473
[   27.753367][  T383] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[   27.760380][  T372] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb35349aabc
[pid   380] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid   381] chdir("./bus" <unfinished ...>
[pid   380] <... openat resumed>)       = 4
[pid   381] <... chdir resumed>)        = 0
[pid   380] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   381] openat(AT_FDCWD, "/dev/loop0", O_RDONLY <unfinished ...>
[pid   372] +++ exited with 0 +++
[pid   348] +++ exited with 0 +++
[pid   381] <... openat resumed>)       = 4
[pid   380] <... ioctl resumed>)        = 0
[pid   381] ioctl(4, LOOP_CLR_FD)       = 0
[pid   381] close(4)                    = 0
[pid   381] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   380] close(3 <unfinished ...>
[pid   381] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   380] <... close resumed>)        = 0
[pid   380] close(4 <unfinished ...>
[pid   379] <... futex resumed>)        = 0
[pid   301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=348, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=75 /* 0.75 s */} ---
[pid   379] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   381] <... futex resumed>)        = 0
[pid   381] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   379] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] <... openat resumed>)       = 4
[pid   381] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   381] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   301] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   301] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   301] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   301] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   301] unlink("./1/binderfs")      = 0
[pid   301] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   379] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   379] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   381] <... futex resumed>)        = 0
[pid   379] <... futex resumed>)        = 1
[pid   381] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[pid   379] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] <... ioctl resumed>)        = 0
[pid   381] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   379] <... futex resumed>)        = 0
[pid   381] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   379] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   381] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   379] <... futex resumed>)        = 0
[pid   381] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   379] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] <... openat resumed>)       = 5
[pid   381] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   379] <... futex resumed>)        = 0
[pid   381] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   379] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   381] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   379] <... futex resumed>)        = 0
[pid   381] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   379] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] <... pwrite64 resumed>)     = 1
[pid   381] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   379] <... futex resumed>)        = 0
[pid   381] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   379] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   381] <... openat resumed>)       = 6
[pid   379] <... futex resumed>)        = 0
[pid   381] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   379] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] <... futex resumed>)        = 0
[pid   379] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   381] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   379] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   27.769407][  T377] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[   27.776560][  T372] R13: 0000200000000000 R14: 0000200000005d80 R15: 00000000fffffeb1
[   27.786252][  T383] F2FS-fs (loop1): invalid crc value
[   27.792657][  T372] ---[ end trace e5df8cc5846ff082 ]---
[   27.800185][  T383] F2FS-fs (loop1): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   27.816140][  T377] F2FS-fs (loop2): invalid crc value
[pid   379] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] <... close resumed>)        = 0
[pid   380] mkdir("./bus", 0777)        = 0
[pid   380] mount("/dev/loop4", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   379] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   379] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   379] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   379] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[394]}, 88) = 394
[pid   379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   379] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   27.841877][  T377] F2FS-fs (loop2): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   27.871298][  T383] F2FS-fs (loop1): Start checkpoint disabled!
[   27.878139][  T383] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[   27.886068][  T377] F2FS-fs (loop2): Start checkpoint disabled!
[pid   379] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] <... mmap resumed>)         = 0x200000000000
[pid   381] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   381] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-10/strace-static-x86_64: Process 394 attached
 <unfinished ...>
[pid   394] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   394] read(6 <unfinished ...>
[pid   383] <... mount resumed>)        = 0
[pid   383] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   383] chdir("./bus")              = 0
[pid   383] openat(AT_FDCWD, "/dev/loop1", O_RDONLY) = 4
[pid   383] ioctl(4, LOOP_CLR_FD)       = 0
[pid   383] close(4)                    = 0
[pid   383] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   382] <... futex resumed>)        = 0
[pid   383] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   382] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   383] <... openat resumed>)       = 4
[pid   382] <... futex resumed>)        = 0
[pid   383] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   382] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   383] <... futex resumed>)        = 0
[pid   382] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   383] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   382] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   383] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   382] <... futex resumed>)        = 0
[pid   383] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[pid   382] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   383] <... ioctl resumed>)        = 0
[pid   383] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   382] <... futex resumed>)        = 0
[pid   383] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   382] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   383] <... openat resumed>)       = 5
[pid   382] <... futex resumed>)        = 0
[pid   383] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   382] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   383] <... futex resumed>)        = 0
[pid   382] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   383] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   382] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   383] <... pwrite64 resumed>)     = 1
[pid   382] <... futex resumed>)        = 0
[pid   383] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   382] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   383] <... futex resumed>)        = 0
[pid   382] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   383] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   382] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   383] <... openat resumed>)       = 6
[pid   382] <... futex resumed>)        = 0
[pid   379] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   383] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   382] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   379] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} <unfinished ...>
[pid   383] <... futex resumed>)        = 0
[pid   382] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   379] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   383] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   382] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   379] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   382] <... futex resumed>)        = 0
[pid   381] <... futex resumed>)        = 0
[pid   379] <... futex resumed>)        = 1
[pid   381] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   379] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   382] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] <... unshare resumed>)      = 0
[pid   381] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   379] <... futex resumed>)        = 0
[   27.892512][  T383] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e6
[   27.900729][  T377] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[   27.909090][  T380] F2FS-fs (loop4): Invalid segment/section count (28696 != 24 * 1)
[   27.918567][  T380] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock
[pid   381] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   377] <... mount resumed>)        = 0
[pid   377] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   377] chdir("./bus")              = 0
[pid   377] openat(AT_FDCWD, "/dev/loop2", O_RDONLY) = 4
[pid   377] ioctl(4, LOOP_CLR_FD)       = 0
[pid   377] close(4)                    = 0
[pid   377] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   377] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   376] <... futex resumed>)        = 0
[pid   376] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   376] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   377] <... futex resumed>)        = 0
[pid   377] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 4
[pid   377] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   376] <... futex resumed>)        = 0
[pid   382] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   376] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   382] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   376] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   382] <... futex resumed>)        = 0
[pid   377] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[pid   382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   377] <... ioctl resumed>)        = 0
[pid   382] <... mmap resumed>)         = 0x7fb3533b0000
[pid   377] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   382] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   377] <... futex resumed>)        = 1
[pid   376] <... futex resumed>)        = 0
[pid   376] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   382] <... mprotect resumed>)     = 0
[pid   377] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   376] <... futex resumed>)        = 0
[pid   382] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   377] <... openat resumed>)       = 5
[pid   376] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   382] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   377] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} <unfinished ...>
[pid   377] <... futex resumed>)        = 1
[pid   376] <... futex resumed>)        = 0
[pid   377] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   376] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   382] <... clone3 resumed> => {parent_tid=[397]}, 88) = 397
[pid   377] <... pwrite64 resumed>)     = 1
[pid   376] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   382] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   377] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   382] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   377] <... futex resumed>)        = 1
[pid   382] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   377] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   382] <... futex resumed>)        = 0
[pid   382] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 397 attached
 <unfinished ...>
[pid   376] <... futex resumed>)        = 0
[pid   376] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   397] set_robust_list(0x7fb3533d09a0, 24 <unfinished ...>
[pid   377] <... futex resumed>)        = 0
[pid   376] <... futex resumed>)        = 1
[pid   397] <... set_robust_list resumed>) = 0
[pid   376] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   377] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   397] read(6 <unfinished ...>
[pid   377] <... openat resumed>)       = 6
[pid   377] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   377] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   376] <... futex resumed>)        = 0
[   27.953120][  T380] F2FS-fs (loop4): invalid crc value
[   27.958497][  T377] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e6
[   27.969281][  T380] F2FS-fs (loop4): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   27.996307][  T380] F2FS-fs (loop4): Start checkpoint disabled!
[pid   376] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   377] <... futex resumed>)        = 0
[pid   376] <... futex resumed>)        = 1
[pid   377] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   376] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] <... mount resumed>)        = 0
[pid   380] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   380] chdir("./bus")              = 0
[pid   380] openat(AT_FDCWD, "/dev/loop4", O_RDONLY <unfinished ...>
[pid   382] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   382] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb35338f000
[pid   382] mprotect(0x7fb353390000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   382] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533af990, parent_tid=0x7fb3533af990, exit_signal=0, stack=0x7fb35338f000, stack_size=0x20300, tls=0x7fb3533af6c0} => {parent_tid=[398]}, 88) = 398
[pid   382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   382] futex(0x7fb3534c9e68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   382] futex(0x7fb3534c9e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 398 attached
 <unfinished ...>
[pid   380] <... openat resumed>)       = 4
[pid   398] set_robust_list(0x7fb3533af9a0, 24 <unfinished ...>
[pid   380] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   398] <... set_robust_list resumed>) = 0
[pid   380] <... ioctl resumed>)        = 0
[pid   398] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   380] close(4 <unfinished ...>
[pid   398] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   380] <... close resumed>)        = 0
[pid   398] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   380] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   398] <... unshare resumed>)      = 0
[pid   380] <... futex resumed>)        = 1
[pid   398] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   398] <... futex resumed>)        = 1
[pid   382] <... futex resumed>)        = 0
[pid   398] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   378] <... futex resumed>)        = 0
[pid   378] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] <... futex resumed>)        = 0
[pid   378] <... futex resumed>)        = 1
[pid   380] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   378] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] <... openat resumed>)       = 4
[pid   380] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   378] <... futex resumed>)        = 0
[pid   380] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   378] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   378] <... futex resumed>)        = 0
[pid   380] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[pid   378] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] <... ioctl resumed>)        = 0
[pid   380] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   378] <... futex resumed>)        = 0
[pid   380] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   378] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   378] <... futex resumed>)        = 0
[pid   380] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   378] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] <... openat resumed>)       = 5
[pid   380] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   378] <... futex resumed>)        = 0
[pid   380] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   378] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   378] <... futex resumed>)        = 0
[pid   380] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   378] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] <... pwrite64 resumed>)     = 1
[pid   380] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   378] <... futex resumed>)        = 0
[pid   380] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   378] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   378] <... futex resumed>)        = 0
[pid   380] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   378] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] <... openat resumed>)       = 6
[pid   380] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   378] <... futex resumed>)        = 0
[pid   380] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   378] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   378] <... futex resumed>)        = 0
[pid   380] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[   28.011274][  T380] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0
[   28.018345][  T380] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e6
[pid   378] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   376] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   376] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   376] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   376] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[399]}, 88) = 399
[pid   376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   376] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   376] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 399 attached
 <unfinished ...>
[pid   399] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   399] read(6 <unfinished ...>
[pid   377] <... mmap resumed>)         = 0x200000000000
[pid   377] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   377] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   383] <... mmap resumed>)         = 0x200000000000
[pid   383] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   383] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   378] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   378] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   378] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   378] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[400]}, 88) = 400
[pid   378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   378] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   378] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   376] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   376] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   376] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}ci2-android-5-10/strace-static-x86_64: Process 400 attached
) = -1 ETIMEDOUT (Connection timed out)
[pid   376] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   400] set_robust_list(0x7fb3533d09a0, 24 <unfinished ...>
[pid   377] <... futex resumed>)        = 0
[pid   376] <... futex resumed>)        = 1
[pid   400] <... set_robust_list resumed>) = 0
[pid   377] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   376] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   400] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   377] <... unshare resumed>)      = 0
[pid   400] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   377] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   400] read(6 <unfinished ...>
[pid   377] <... futex resumed>)        = 1
[pid   376] <... futex resumed>)        = 0
[pid   377] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   379] exit_group(0)               = ?
[pid   381] <... futex resumed>)        = ?
[pid   394] <... read resumed> <unfinished ...>) = ?
[pid   380] <... mmap resumed>)         = 0x200000000000
[pid   380] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   380] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   381] +++ exited with 0 +++
[pid   394] +++ exited with 0 +++
[pid   379] +++ exited with 0 +++
[pid   298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=379, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=25 /* 0.25 s */} ---
[pid   298] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   378] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   378] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   378] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   378] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] <... futex resumed>)        = 0
[pid   378] <... futex resumed>)        = 1
[pid   380] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   378] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] <... unshare resumed>)      = 0
[pid   380] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   378] <... futex resumed>)        = 0
[pid   380] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   298] <... restart_syscall resumed>) = 0
[pid   298] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   298] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   298] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   298] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] unlink("./2/binderfs")      = 0
[pid   298] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   298] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] newfstatat(AT_FDCWD, "./2/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./2/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   298] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   298] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   298] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   298] close(4)                    = 0
[pid   298] rmdir("./2/bus" <unfinished ...>
[pid   301] <... umount2 resumed>)      = 0
[pid   301] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] newfstatat(AT_FDCWD, "./1/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   301] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] openat(AT_FDCWD, "./1/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   301] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   301] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   301] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   301] close(4)                    = 0
[pid   301] rmdir("./1/bus")            = 0
[pid   301] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   301] close(3)                    = 0
[pid   301] rmdir("./1")                = 0
[pid   382] exit_group(0)               = ?
[pid   398] <... futex resumed>)        = ?
[pid   383] <... futex resumed>)        = ?
[pid   383] +++ exited with 0 +++
[pid   398] +++ exited with 0 +++
[pid   301] mkdir("./2", 0777 <unfinished ...>
[pid   397] <... read resumed> <unfinished ...>) = ?
[pid   301] <... mkdir resumed>)        = 0
[pid   301] openat(AT_FDCWD, "/dev/loop3", O_RDONLY) = 3
[pid   301] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   301] close(3)                    = 0
[pid   301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 401
[pid   301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 401 attached
[pid   401] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   401] chdir("./2")                = 0
[pid   401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   401] setpgid(0, 0)               = 0
[pid   401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   401] write(3, "1000", 4)         = 4
[pid   401] close(3)                    = 0
[pid   401] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid   401] write(1, "executing program\n", 18) = 18
[pid   401] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   401] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   401] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   401] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[402]}, 88) = 402
[pid   401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   401] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   401] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 402 attached
 <unfinished ...>
[pid   402] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   402] memfd_create("syzkaller", 0) = 3
[pid   402] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   397] +++ exited with 0 +++
[pid   382] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=382, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=28 /* 0.28 s */} ---
[pid   299] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   299] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   299] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   299] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   299] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   299] unlink("./2/binderfs")      = 0
[pid   299] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   299] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] newfstatat(AT_FDCWD, "./2/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   299] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] openat(AT_FDCWD, "./2/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   299] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   299] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   299] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   299] close(4)                    = 0
[pid   299] rmdir("./2/bus" <unfinished ...>
[pid   376] exit_group(0 <unfinished ...>
[pid   377] <... futex resumed>)        = ?
[pid   376] <... exit_group resumed>)   = ?
[pid   399] <... read resumed> <unfinished ...>) = ?
[pid   378] exit_group(0)               = ?
[   28.297107][  T399] BUG: scheduling while atomic: syz-executor203/399/0x00000002
[   28.304697][  T399] Modules linked in:
[   28.308591][  T399] Preemption disabled at:
[   28.308611][  T399] [<ffffffff81952eb4>] unmap_page_range+0xa54/0x2190
[   28.319653][  T399] CPU: 0 PID: 399 Comm: syz-executor203 Tainted: G        W         syzkaller #0
[   28.328739][  T399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[   28.338781][  T399] Call Trace:
[   28.342060][  T399]  __dump_stack+0x21/0x24
[   28.346375][  T399]  dump_stack_lvl+0x1a7/0x208
[   28.351040][  T399]  ? unmap_page_range+0xa54/0x2190
[   28.356139][  T399]  ? show_regs_print_info+0x18/0x18
[   28.361329][  T399]  ? unmap_page_range+0xa54/0x2190
[   28.366511][  T399]  dump_stack+0x15/0x1c
[   28.370660][  T399]  __schedule_bug+0x183/0x240
[   28.375323][  T399]  ? __migrate_task+0x190/0x190
[   28.380157][  T399]  __schedule+0xcee/0x13e0
[   28.384655][  T399]  ? __kasan_slab_alloc+0xb7/0xe0
[   28.389661][  T399]  ? kmem_cache_alloc+0x15a/0x2d0
[pid   402] 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"..., 20699119) = 20699119
[pid   402] munmap(0x7fb34afd1000, 138412032) = 0
[pid   402] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid   400] <... read resumed> <unfinished ...>) = ?
[pid   400] +++ exited with 0 +++
[   28.394684][  T399]  ? f2fs_register_inmem_page+0x130/0x470
[   28.400394][  T399]  ? f2fs_set_data_page_dirty+0x557/0x6e0
[   28.406105][  T399]  ? __sched_text_start+0x8/0x8
[   28.410945][  T399]  ? __mutex_add_waiter+0x184/0x280
[   28.416133][  T399]  ? __kasan_check_write+0x14/0x20
[   28.421234][  T399]  ? atomic_dec_and_mutex_lock+0x1a0/0x1a0
[   28.427029][  T399]  schedule+0x13c/0x1d0
[   28.431175][  T399]  schedule_preempt_disabled+0x13/0x20
[   28.436626][  T399]  __mutex_lock+0x5d4/0xc40
[   28.441122][  T399]  ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[pid   380] <... futex resumed>)        = ?
[   28.447883][  T399]  __mutex_lock_slowpath+0xe/0x10
[   28.452907][  T399]  mutex_lock+0xdb/0xf0
[   28.457048][  T399]  ? mutex_trylock+0xb0/0xb0
[   28.461623][  T399]  ? f2fs_register_inmem_page+0x130/0x470
[   28.467323][  T399]  ? kmem_cache_alloc+0x15a/0x2d0
[   28.472331][  T399]  ? f2fs_register_inmem_page+0x130/0x470
[   28.478031][  T399]  f2fs_register_inmem_page+0x211/0x470
[   28.483564][  T399]  f2fs_set_data_page_dirty+0x557/0x6e0
[   28.489112][  T399]  ? f2fs_write_data_pages+0x28f0/0x28f0
[   28.494733][  T399]  set_page_dirty+0x1a2/0x300
[   28.499395][  T399]  unmap_page_range+0x104c/0x2190
[   28.504395][  T399]  ? lru_cache_disable+0xa0/0xa0
[   28.509308][  T399]  ? copy_page_range+0x27a0/0x27a0
[   28.514399][  T399]  unmap_vmas+0x25f/0x360
[   28.518709][  T399]  ? unmap_page_range+0x2190/0x2190
[   28.523876][  T399]  ? __kasan_check_write+0x14/0x20
[   28.528959][  T399]  ? tlb_gather_mmu+0x269/0x330
[   28.533795][  T399]  exit_mmap+0x309/0x590
[   28.538015][  T399]  ? vm_brk+0x30/0x30
[   28.541971][  T399]  ? mutex_lock+0x92/0xf0
[   28.546276][  T399]  ? mutex_unlock+0x1c/0x40
[   28.550752][  T399]  __mmput+0x92/0x2d0
[   28.554707][  T399]  mmput+0x4e/0x150
[   28.558509][  T399]  do_exit+0x9d8/0x24e0
[   28.562642][  T399]  ? put_task_struct+0x90/0x90
[   28.567384][  T399]  ? __kasan_check_write+0x14/0x20
[   28.572466][  T399]  ? _raw_spin_lock_irq+0x95/0xf0
[   28.577461][  T399]  do_group_exit+0x149/0x310
[   28.582025][  T399]  ? __kasan_check_write+0x14/0x20
[   28.587106][  T399]  ? recalc_sigpending+0x1ac/0x230
[   28.592188][  T399]  get_signal+0xfb1/0x1300
[   28.596594][  T399]  arch_do_signal_or_restart+0xe7/0x11b0
[   28.602212][  T399]  ? __kasan_check_write+0x14/0x20
[   28.607291][  T399]  ? ptrace_stop+0x69f/0x9c0
[   28.611854][  T399]  ? __ia32_sys_rt_sigreturn+0x730/0x730
[   28.617454][  T399]  ? _raw_spin_unlock_irq+0x4e/0x70
[   28.622620][  T399]  ? ptrace_notify+0x1ea/0x270
[   28.627351][  T399]  ? vfs_write+0xd70/0xd70
[   28.631739][  T399]  exit_to_user_mode_loop+0xa2/0xe0
[   28.636908][  T399]  exit_to_user_mode_prepare+0x76/0xa0
[   28.642340][  T399]  syscall_exit_to_user_mode+0x1d/0x40
[   28.647769][  T399]  do_syscall_64+0x3d/0x40
[   28.652158][  T399]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   28.658022][  T399] RIP: 0033:0x7fb35341cb89
[   28.662427][  T399] Code: Unable to access opcode bytes at RIP 0x7fb35341cb5f.
[   28.669763][  T399] RSP: 002b:00007fb3533d0218 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[   28.678159][  T399] RAX: 0000000000cc0000 RBX: 00007fb3534c9e58 RCX: 00007fb35341cb89
[   28.686102][  T399] RDX: 00000000fffffeb1 RSI: 0000200000005d80 RDI: 0000000000000006
[pid   377] +++ exited with 0 +++
[pid   380] +++ exited with 0 +++
[pid   378] +++ exited with 0 +++
[pid   302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=378, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=27 /* 0.27 s */} ---
[pid   302] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   399] +++ exited with 0 +++
[pid   376] +++ exited with 0 +++
[pid   300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=376, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=33 /* 0.33 s */} ---
[pid   300] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   302] <... restart_syscall resumed>) = 0
[pid   300] <... restart_syscall resumed>) = 0
[pid   302] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   302] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   302] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   302] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   300] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   302] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   302] unlink("./2/binderfs" <unfinished ...>
[pid   300] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   302] <... unlink resumed>)       = 0
[pid   300] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   300] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   300] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   300] unlink("./2/binderfs" <unfinished ...>
[pid   302] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   300] <... unlink resumed>)       = 0
[pid   300] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   402] <... openat resumed>)       = 4
[   28.694046][  T399] RBP: 00007fb3534c9e50 R08: 00007fb3533d06c0 R09: 33203a6b63617473
[   28.701994][  T399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb35349aabc
[   28.709935][  T399] R13: 0000200000000000 R14: 0000200000005d80 R15: 00000000fffffeb1
[pid   402] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   299] <... rmdir resumed>)        = 0
[pid   299] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   299] close(3)                    = 0
[pid   299] rmdir("./2")                = 0
[pid   299] mkdir("./3", 0777)          = 0
[pid   299] openat(AT_FDCWD, "/dev/loop1", O_RDONLY) = 3
[pid   299] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   299] close(3)                    = 0
[pid   299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 403
[pid   299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 403 attached
[pid   403] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   403] chdir("./3")                = 0
[pid   403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   403] setpgid(0, 0)               = 0
[pid   403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   403] write(3, "1000", 4)         = 4
[pid   403] close(3)                    = 0
[pid   403] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid   403] write(1, "executing program\n", 18) = 18
[pid   403] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   403] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[405]}, 88) = 405
[pid   403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   403] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   402] <... ioctl resumed>)        = 0
[pid   402] close(3)                    = 0
[pid   402] close(4ci2-android-5-10/strace-static-x86_64: Process 405 attached
 <unfinished ...>
[pid   405] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   405] memfd_create("syzkaller", 0) = 3
[pid   405] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   298] <... rmdir resumed>)        = 0
[pid   298] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   298] close(3)                    = 0
[pid   298] rmdir("./2")                = 0
[pid   298] mkdir("./3", 0777)          = 0
[pid   298] openat(AT_FDCWD, "/dev/loop0", O_RDONLY <unfinished ...>
[pid   405] 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"..., 20699119) = 20699119
[pid   405] munmap(0x7fb34afd1000, 138412032) = 0
[pid   405] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid   402] <... close resumed>)        = 0
[pid   402] mkdir("./bus", 0777)        = 0
[pid   402] mount("/dev/loop3", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   405] <... openat resumed>)       = 4
[pid   298] <... openat resumed>)       = 3
[pid   298] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   298] close(3)                    = 0
[pid   298] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   405] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   298] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 407
[pid   298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   405] <... ioctl resumed>)        = 0
[pid   405] close(3)                    = 0
[pid   405] close(4ci2-android-5-10/strace-static-x86_64: Process 407 attached
 <unfinished ...>
[pid   407] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   407] chdir("./3")                = 0
[pid   407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   407] setpgid(0, 0)               = 0
[pid   407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[   28.954708][  T402] F2FS-fs (loop3): Invalid segment/section count (28696 != 24 * 1)
[   28.971443][  T402] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock
[   28.982769][  T402] F2FS-fs (loop3): invalid crc value
[pid   300] <... umount2 resumed>)      = 0
[pid   300] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] newfstatat(AT_FDCWD, "./2/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   300] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] openat(AT_FDCWD, "./2/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   300] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   300] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   407] write(3, "1000", 4)         = 4
[pid   407] close(3 <unfinished ...>
[pid   300] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   300] close(4)                    = 0
[pid   300] rmdir("./2/bus" <unfinished ...>
[pid   407] <... close resumed>)        = 0
[pid   407] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   300] <... rmdir resumed>)        = 0
[pid   300] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   300] close(3)                    = 0
[pid   300] rmdir("./2")                = 0
[pid   300] mkdir("./3", 0777)          = 0
[pid   300] openat(AT_FDCWD, "/dev/loop2", O_RDONLY <unfinished ...>
[pid   407] <... symlink resumed>)      = 0
[pid   407] write(1, "executing program\n", 18 <unfinished ...>
[pid   405] <... close resumed>)        = 0
[pid   405] mkdir("./bus", 0777)        = 0
executing program
[pid   405] mount("/dev/loop1", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   407] <... write resumed>)        = 18
[pid   407] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   407] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   302] <... umount2 resumed>)      = 0
[pid   302] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] newfstatat(AT_FDCWD, "./2/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   302] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] openat(AT_FDCWD, "./2/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   302] fstat(4 <unfinished ...>
[pid   407] <... mmap resumed>)         = 0x7fb3533d1000
[pid   302] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   302] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   302] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   302] close(4)                    = 0
[pid   302] rmdir("./2/bus")            = 0
[pid   302] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   302] close(3)                    = 0
[pid   302] rmdir("./2")                = 0
[pid   302] mkdir("./3", 0777)          = 0
[pid   302] openat(AT_FDCWD, "/dev/loop4", O_RDONLY <unfinished ...>
[pid   407] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[410]}, 88) = 410
[pid   407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   407] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   407] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 410 attached
 <unfinished ...>
[pid   410] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   410] memfd_create("syzkaller", 0) = 3
[pid   410] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   300] <... openat resumed>)       = 3
[pid   302] <... openat resumed>)       = 3
[   29.003892][  T402] F2FS-fs (loop3): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   29.040072][  T402] F2FS-fs (loop3): Start checkpoint disabled!
[   29.046810][  T402] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0
[pid   302] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   300] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   302] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   300] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   302] close(3 <unfinished ...>
[pid   300] close(3 <unfinished ...>
[pid   302] <... close resumed>)        = 0
[pid   300] <... close resumed>)        = 0
[pid   302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   300] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   300] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   302] <... clone resumed>, child_tidptr=0x55556a4ec690) = 411
[pid   300] <... clone resumed>, child_tidptr=0x55556a4ec690) = 412
[pid   302] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   300] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   302] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   300] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 411 attached
[pid   411] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   411] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   411] chdir("./3")                = 0
[pid   411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   411] setpgid(0, 0)               = 0
[pid   411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   410] 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"..., 20699119 <unfinished ...>
[pid   411] <... openat resumed>)       = 3
[pid   411] write(3, "1000", 4)         = 4
[pid   411] close(3)                    = 0
[pid   411] symlink("/dev/binderfs", "./binderfs") = 0
[pid   411] write(1, "executing program\n", 18) = 18
[pid   411] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   411] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   411] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   411] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[413]}, 88) = 413
[pid   411] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   411] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   411] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 413 attached
ci2-android-5-10/strace-static-x86_64: Process 412 attached
 <unfinished ...>
[pid   412] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   412] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   413] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   412] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   412] chdir("./3")                = 0
[pid   412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   412] setpgid(0, 0)               = 0
[pid   412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   412] write(3, "1000", 4)         = 4
[pid   413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   412] close(3)                    = 0
[pid   412] symlink("/dev/binderfs", "./binderfs") = 0
[pid   413] memfd_create("syzkaller", 0 <unfinished ...>
executing program
[pid   412] write(1, "executing program\n", 18) = 18
[pid   412] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   413] <... memfd_create resumed>) = 3
[pid   412] <... futex resumed>)        = 0
[pid   412] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0} <unfinished ...>
[pid   413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   412] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   413] <... mmap resumed>)         = 0x7fb34afd1000
[pid   412] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   412] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   412] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[414]}, 88) = 414
[pid   412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   412] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   412] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   402] <... mount resumed>)        = 0
ci2-android-5-10/strace-static-x86_64: Process 414 attached
[pid   414] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   402] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   414] memfd_create("syzkaller", 0) = 3
[pid   414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   402] <... openat resumed>)       = 3
[pid   402] chdir("./bus")              = 0
[pid   402] openat(AT_FDCWD, "/dev/loop3", O_RDONLY) = 4
[pid   402] ioctl(4, LOOP_CLR_FD)       = 0
[pid   402] close(4)                    = 0
[pid   402] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   401] <... futex resumed>)        = 0
[pid   401] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   401] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   402] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 4
[pid   402] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   401] <... futex resumed>)        = 0
[pid   401] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   401] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   402] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0) = 0
[pid   402] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   401] <... futex resumed>)        = 0
[pid   401] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   401] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   402] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 5
[pid   402] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   401] <... futex resumed>)        = 0
[pid   401] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   401] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   402] pwrite64(5, "\f", 1, 134220897) = 1
[pid   402] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   401] <... futex resumed>)        = 0
[pid   401] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   401] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   402] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025) = 6
[pid   402] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   401] <... futex resumed>)        = 0
[pid   402] <... futex resumed>)        = 1
[pid   401] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   401] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[   29.062536][  T405] F2FS-fs (loop1): Invalid segment/section count (28696 != 24 * 1)
[   29.070515][  T405] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[   29.082359][  T402] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e6
[   29.141275][  T405] F2FS-fs (loop1): invalid crc value
[pid   402] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   401] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   401] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   401] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   401] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   401] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[417]}, 88) = 417
[pid   401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   401] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   401] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 417 attached
 <unfinished ...>
[pid   417] set_robust_list(0x7fb3533d09a0, 24 <unfinished ...>
[pid   410] <... write resumed>)        = 20699119
[pid   417] <... set_robust_list resumed>) = 0
[pid   417] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   417] read(6 <unfinished ...>
[pid   410] munmap(0x7fb34afd1000, 138412032) = 0
[pid   410] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   410] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   410] close(3)                    = 0
[pid   410] close(4)                    = 0
[pid   410] mkdir("./bus", 0777)        = 0
[   29.169302][  T405] F2FS-fs (loop1): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[pid   410] mount("/dev/loop0", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   401] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   401] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb35338f000
[pid   401] mprotect(0x7fb353390000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   401] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533af990, parent_tid=0x7fb3533af990, exit_signal=0, stack=0x7fb35338f000, stack_size=0x20300, tls=0x7fb3533af6c0} => {parent_tid=[419]}, 88) = 419
[pid   401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   401] futex(0x7fb3534c9e68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   401] futex(0x7fb3534c9e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   402] <... mmap resumed>)         = 0x200000000000
ci2-android-5-10/strace-static-x86_64: Process 419 attached
[pid   419] set_robust_list(0x7fb3533af9a0, 24) = 0
[pid   419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   419] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID) = 0
[pid   419] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   401] <... futex resumed>)        = 0
[pid   419] <... futex resumed>)        = 1
[pid   419] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   402] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   402] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[   29.211392][  T410] F2FS-fs (loop0): Invalid segment/section count (28696 != 24 * 1)
[   29.231269][  T410] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[   29.240847][  T405] F2FS-fs (loop1): Start checkpoint disabled!
[   29.250720][  T410] F2FS-fs (loop0): invalid crc value
[pid   413] 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"..., 20699119 <unfinished ...>
[pid   414] 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"..., 20699119 <unfinished ...>
[pid   405] <... mount resumed>)        = 0
[pid   405] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   405] chdir("./bus")              = 0
[pid   405] openat(AT_FDCWD, "/dev/loop1", O_RDONLY) = 4
[pid   405] ioctl(4, LOOP_CLR_FD)       = 0
[pid   405] close(4)                    = 0
[pid   405] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   403] <... futex resumed>)        = 0
[pid   403] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   405] <... futex resumed>)        = 1
[pid   405] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 4
[pid   405] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   403] <... futex resumed>)        = 0
[pid   403] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   405] <... futex resumed>)        = 1
[pid   405] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0) = 0
[pid   405] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   403] <... futex resumed>)        = 0
[pid   403] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   405] <... futex resumed>)        = 1
[pid   405] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 5
[pid   405] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   403] <... futex resumed>)        = 0
[pid   403] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   405] <... futex resumed>)        = 1
[pid   405] pwrite64(5, "\f", 1, 134220897) = 1
[pid   405] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   403] <... futex resumed>)        = 0
[pid   403] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   405] <... futex resumed>)        = 1
[pid   405] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025) = 6
[pid   405] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   403] <... futex resumed>)        = 0
[pid   403] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   405] <... futex resumed>)        = 1
[   29.258183][  T405] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[   29.273559][  T405] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e6
[   29.284349][  T410] F2FS-fs (loop0): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[pid   405] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   410] <... mount resumed>)        = 0
[pid   410] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   410] chdir("./bus")              = 0
[pid   410] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 4
[pid   410] ioctl(4, LOOP_CLR_FD)       = 0
[pid   410] close(4)                    = 0
[pid   410] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   407] <... futex resumed>)        = 0
[pid   407] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   407] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   410] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 4
[pid   410] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   407] <... futex resumed>)        = 0
[pid   407] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   407] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   410] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0) = 0
[pid   410] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   407] <... futex resumed>)        = 0
[pid   407] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   407] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   410] <... futex resumed>)        = 1
[pid   410] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 5
[pid   410] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   407] <... futex resumed>)        = 0
[pid   407] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   407] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   410] pwrite64(5, "\f", 1, 134220897) = 1
[pid   410] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   407] <... futex resumed>)        = 0
[pid   407] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   407] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   410] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025) = 6
[pid   410] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   407] <... futex resumed>)        = 0
[pid   407] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   407] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   410] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   403] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   403] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   403] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   403] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   403] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[422]}, 88) = 422
[pid   403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   403] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 422 attached
 <unfinished ...>
[pid   422] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   422] read(6 <unfinished ...>
[pid   401] exit_group(0 <unfinished ...>
[pid   419] <... futex resumed>)        = ?
[pid   401] <... exit_group resumed>)   = ?
[pid   419] +++ exited with 0 +++
[pid   402] <... futex resumed>)        = ?
[pid   402] +++ exited with 0 +++
[   29.327570][  T410] F2FS-fs (loop0): Start checkpoint disabled!
[   29.334285][  T410] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[   29.341363][  T410] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6
[pid   417] <... read resumed> <unfinished ...>) = ?
[pid   413] <... write resumed>)        = 20699119
[pid   407] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   407] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} <unfinished ...>
[pid   413] munmap(0x7fb34afd1000, 138412032 <unfinished ...>
[pid   407] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   407] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   407] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   407] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[423]}, 88) = 423
[pid   407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   407] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   407] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   413] <... munmap resumed>)       = 0
[pid   413] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid   413] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   403] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   403] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   403] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   403] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   403] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   403] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb35338f000
[pid   403] mprotect(0x7fb353390000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533af990, parent_tid=0x7fb3533af990, exit_signal=0, stack=0x7fb35338f000, stack_size=0x20300, tls=0x7fb3533af6c0} => {parent_tid=[425]}, 88) = 425
[pid   403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   403] futex(0x7fb3534c9e68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] futex(0x7fb3534c9e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   413] <... ioctl resumed>)        = 0
[pid   413] close(3)                    = 0
[pid   413] close(4)                    = 0
[pid   413] mkdir("./bus", 0777ci2-android-5-10/strace-static-x86_64: Process 423 attached
 <unfinished ...>
[pid   423] set_robust_list(0x7fb3533d09a0, 24 <unfinished ...>
[pid   413] <... mkdir resumed>)        = 0
[pid   413] mount("/dev/loop4", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   423] <... set_robust_list resumed>) = 0
[pid   423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   423] read(6ci2-android-5-10/strace-static-x86_64: Process 425 attached
 <unfinished ...>
[pid   425] set_robust_list(0x7fb3533af9a0, 24) = 0
[pid   425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   425] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID) = 0
[pid   425] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   403] <... futex resumed>)        = 0
[pid   425] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   405] <... mmap resumed>)         = 0x200000000000
[pid   405] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   405] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   417] +++ exited with 0 +++
[pid   401] +++ exited with 0 +++
[pid   301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=401, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} ---
[pid   301] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   407] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   301] <... restart_syscall resumed>) = 0
[pid   407] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   301] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   301] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   301] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   301] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   301] unlink("./2/binderfs")      = 0
[pid   301] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   301] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] newfstatat(AT_FDCWD, "./2/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   301] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] openat(AT_FDCWD, "./2/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   301] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   301] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   301] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   301] close(4)                    = 0
[pid   301] rmdir("./2/bus" <unfinished ...>
[pid   407] <... mmap resumed>)         = 0x7fb35338f000
[pid   407] mprotect(0x7fb353390000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533af990, parent_tid=0x7fb3533af990, exit_signal=0, stack=0x7fb35338f000, stack_size=0x20300, tls=0x7fb3533af6c0} => {parent_tid=[427]}, 88) = 427
[pid   407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   407] futex(0x7fb3534c9e68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   407] futex(0x7fb3534c9e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 427 attached
 <unfinished ...>
[pid   427] set_robust_list(0x7fb3533af9a0, 24) = 0
[pid   427] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   427] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID) = 0
[pid   427] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   407] <... futex resumed>)        = 0
[pid   427] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   410] <... mmap resumed>)         = 0x200000000000
[pid   410] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   410] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   414] <... write resumed>)        = 20699119
[pid   414] munmap(0x7fb34afd1000, 138412032) = 0
[pid   414] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid   414] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   414] close(3)                    = 0
[   29.418299][  T413] F2FS-fs (loop4): Invalid segment/section count (28696 != 24 * 1)
[   29.448258][  T413] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock
[   29.457419][  T413] F2FS-fs (loop4): invalid crc value
[pid   414] close(4)                    = 0
[pid   414] mkdir("./bus", 0777)        = 0
[   29.493590][  T413] F2FS-fs (loop4): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   29.506336][  T414] F2FS-fs (loop2): Invalid segment/section count (28696 != 24 * 1)
[   29.514490][  T414] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[   29.523664][  T414] F2FS-fs (loop2): invalid crc value
[pid   414] mount("/dev/loop2", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   403] exit_group(0 <unfinished ...>
[pid   425] <... futex resumed>)        = ?
[pid   403] <... exit_group resumed>)   = ?
[pid   425] +++ exited with 0 +++
[pid   405] <... futex resumed>)        = ?
[pid   405] +++ exited with 0 +++
[pid   422] <... read resumed> <unfinished ...>) = ?
[   29.541893][  T414] F2FS-fs (loop2): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[pid   422] +++ exited with 0 +++
[pid   403] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=403, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=25 /* 0.25 s */} ---
[pid   299] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   299] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   299] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   299] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   299] unlink("./3/binderfs")      = 0
[pid   299] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   299] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] newfstatat(AT_FDCWD, "./3/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   299] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] openat(AT_FDCWD, "./3/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   299] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   299] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   299] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   299] close(4)                    = 0
[pid   299] rmdir("./3/bus" <unfinished ...>
[pid   407] exit_group(0 <unfinished ...>
[pid   427] <... futex resumed>)        = ?
[pid   407] <... exit_group resumed>)   = ?
[pid   423] <... read resumed> <unfinished ...>) = ?
[pid   423] +++ exited with 0 +++
[pid   413] <... mount resumed>)        = 0
[pid   410] <... futex resumed>)        = ?
[pid   413] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   413] chdir("./bus")              = 0
[pid   413] openat(AT_FDCWD, "/dev/loop4", O_RDONLY <unfinished ...>
[pid   427] +++ exited with 0 +++
[pid   410] +++ exited with 0 +++
[pid   407] +++ exited with 0 +++
[pid   298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=407, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=25 /* 0.25 s */} ---
[   29.590091][  T413] F2FS-fs (loop4): Start checkpoint disabled!
[   29.605980][  T414] F2FS-fs (loop2): Start checkpoint disabled!
[   29.612816][  T413] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0
[   29.620545][  T413] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e6
[   29.626562][  T414] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[pid   298] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   414] <... mount resumed>)        = 0
[pid   414] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   414] chdir("./bus")              = 0
[pid   414] openat(AT_FDCWD, "/dev/loop2", O_RDONLY <unfinished ...>
[pid   298] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   298] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   298] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   298] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] unlink("./3/binderfs")      = 0
[pid   298] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   414] <... openat resumed>)       = 4
[pid   413] <... openat resumed>)       = 4
[pid   414] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   413] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   414] <... ioctl resumed>)        = 0
[pid   413] <... ioctl resumed>)        = 0
[pid   414] close(4 <unfinished ...>
[pid   413] close(4 <unfinished ...>
[pid   414] <... close resumed>)        = 0
[pid   414] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   413] <... close resumed>)        = 0
[pid   414] <... futex resumed>)        = 1
[pid   412] <... futex resumed>)        = 0
[pid   413] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   414] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   412] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   414] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   413] <... futex resumed>)        = 1
[pid   412] <... futex resumed>)        = 0
[pid   414] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   413] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   412] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   414] <... openat resumed>)       = 4
[pid   411] <... futex resumed>)        = 0
[pid   414] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   412] <... futex resumed>)        = 0
[pid   411] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   414] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   412] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   414] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   412] <... futex resumed>)        = 0
[pid   414] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[pid   412] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   414] <... ioctl resumed>)        = 0
[pid   414] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   413] <... futex resumed>)        = 0
[pid   411] <... futex resumed>)        = 1
[pid   414] <... futex resumed>)        = 1
[pid   413] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   412] <... futex resumed>)        = 0
[pid   414] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   411] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   413] <... openat resumed>)       = 4
[pid   414] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   413] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   412] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   414] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   413] <... futex resumed>)        = 1
[pid   412] <... futex resumed>)        = 0
[pid   414] <... openat resumed>)       = 5
[pid   413] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   412] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   411] <... futex resumed>)        = 0
[pid   414] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   412] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   414] <... futex resumed>)        = 0
[pid   412] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   414] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   412] <... futex resumed>)        = 0
[pid   414] <... pwrite64 resumed>)     = 1
[pid   412] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   411] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   414] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   412] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   414] <... futex resumed>)        = 0
[pid   412] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   414] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   412] <... futex resumed>)        = 0
[pid   414] <... openat resumed>)       = 6
[pid   413] <... futex resumed>)        = 0
[pid   412] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   411] <... futex resumed>)        = 1
[pid   414] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   413] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[pid   412] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   414] <... futex resumed>)        = 0
[pid   413] <... ioctl resumed>)        = 0
[pid   412] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   414] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   413] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   412] <... futex resumed>)        = 0
[pid   411] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   411] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   411] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   413] <... futex resumed>)        = 1
[pid   412] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   413] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 5
[pid   411] <... futex resumed>)        = 0
[pid   413] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   411] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   413] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   411] <... futex resumed>)        = 0
[pid   413] <... pwrite64 resumed>)     = 1
[pid   413] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   411] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   413] <... futex resumed>)        = 0
[pid   413] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   411] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   411] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   413] <... futex resumed>)        = 0
[pid   411] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   413] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025) = 6
[pid   413] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   411] <... futex resumed>)        = 0
[pid   413] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   411] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   413] <... futex resumed>)        = 0
[pid   411] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[   29.642814][  T414] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e6
[pid   413] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   301] <... rmdir resumed>)        = 0
[pid   301] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   301] close(3)                    = 0
[pid   301] rmdir("./2")                = 0
[pid   301] mkdir("./3", 0777)          = 0
[pid   301] openat(AT_FDCWD, "/dev/loop3", O_RDONLY <unfinished ...>
[pid   412] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   412] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   412] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   412] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   412] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   412] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   412] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[433]}, 88) = 433
[pid   411] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   411] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   412] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   411] <... futex resumed>)        = 0
[pid   411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   412] <... futex resumed>)        = 0
[pid   412] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   411] <... mmap resumed>)         = 0x7fb3533b0000
[pid   411] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   411] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[434]}, 88) = 434
[pid   411] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   411] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   411] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 433 attached
ci2-android-5-10/strace-static-x86_64: Process 434 attached
 <unfinished ...>
[pid   433] set_robust_list(0x7fb3533d09a0, 24 <unfinished ...>
[pid   434] set_robust_list(0x7fb3533d09a0, 24 <unfinished ...>
[pid   433] <... set_robust_list resumed>) = 0
[pid   434] <... set_robust_list resumed>) = 0
[pid   433] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   434] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   433] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   434] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   433] read(6 <unfinished ...>
[pid   434] read(6 <unfinished ...>
[pid   413] <... mmap resumed>)         = 0x200000000000
[pid   413] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   413] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   301] <... openat resumed>)       = 3
[pid   301] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   301] close(3)                    = 0
[pid   301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 435
[pid   301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 435 attached
[pid   435] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   435] chdir("./3")                = 0
[pid   435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   435] setpgid(0, 0)               = 0
[pid   435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   435] write(3, "1000", 4)         = 4
[pid   435] close(3)                    = 0
[pid   435] symlink("/dev/binderfs", "./binderfs") = 0
[pid   435] write(1, "executing program\n", 18) = 18
executing program
[pid   435] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   435] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   435] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[436]}, 88) = 436
[pid   435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   435] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   435] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   414] <... mmap resumed>)         = 0x200000000000
ci2-android-5-10/strace-static-x86_64: Process 436 attached
[pid   436] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   436] memfd_create("syzkaller", 0) = 3
[pid   436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   412] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   412] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   412] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   414] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   412] <... mmap resumed>)         = 0x7fb35338f000
[pid   411] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   412] mprotect(0x7fb353390000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   414] <... futex resumed>)        = 0
[pid   411] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   414] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   413] <... futex resumed>)        = 0
[pid   411] <... futex resumed>)        = 1
[pid   413] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   411] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   413] <... unshare resumed>)      = 0
[pid   413] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   411] <... futex resumed>)        = 0
[pid   413] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   412] <... mprotect resumed>)     = 0
[pid   412] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533af990, parent_tid=0x7fb3533af990, exit_signal=0, stack=0x7fb35338f000, stack_size=0x20300, tls=0x7fb3533af6c0} => {parent_tid=[437]}, 88) = 437
[pid   412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   412] futex(0x7fb3534c9e68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   412] futex(0x7fb3534c9e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 437 attached
 <unfinished ...>
[pid   437] set_robust_list(0x7fb3533af9a0, 24) = 0
[pid   437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   437] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID) = 0
[pid   437] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   412] <... futex resumed>)        = 0
[pid   437] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   299] <... rmdir resumed>)        = 0
[pid   299] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   299] close(3)                    = 0
[pid   299] rmdir("./3")                = 0
[pid   299] mkdir("./4", 0777)          = 0
[pid   299] openat(AT_FDCWD, "/dev/loop1", O_RDONLY) = 3
[pid   299] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   299] close(3)                    = 0
[pid   299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 438
[pid   299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 438 attached
[pid   438] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   438] chdir("./4")                = 0
[pid   438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   438] setpgid(0, 0)               = 0
[pid   438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   438] write(3, "1000", 4)         = 4
[pid   438] close(3)                    = 0
[pid   438] symlink("/dev/binderfs", "./binderfs") = 0
[pid   438] write(1, "executing program\n", 18) = 18
executing program
[pid   438] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   438] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   438] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   438] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   438] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   438] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[439]}, 88) = 439
[pid   438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   438] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   438] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 439 attached
 <unfinished ...>
[pid   439] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   439] memfd_create("syzkaller", 0) = 3
[pid   439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   436] 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"..., 20699119 <unfinished ...>
[pid   298] <... umount2 resumed>)      = 0
[pid   298] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] newfstatat(AT_FDCWD, "./3/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./3/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   298] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   298] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   298] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   298] close(4)                    = 0
[pid   298] rmdir("./3/bus")            = 0
[pid   298] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   298] close(3)                    = 0
[pid   298] rmdir("./3")                = 0
[pid   298] mkdir("./4", 0777)          = 0
[pid   298] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 3
[pid   298] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   298] close(3)                    = 0
[pid   298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 440
[pid   298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 440 attached
[pid   440] set_robust_list(0x55556a4ec6a0, 24 <unfinished ...>
[pid   411] exit_group(0 <unfinished ...>
[pid   413] <... futex resumed>)        = ?
[pid   411] <... exit_group resumed>)   = ?
[pid   440] <... set_robust_list resumed>) = 0
[pid   440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   440] chdir("./4")                = 0
[pid   440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   440] setpgid(0, 0)               = 0
[pid   440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   440] write(3, "1000", 4)         = 4
[pid   440] close(3)                    = 0
[pid   440] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid   440] write(1, "executing program\n", 18) = 18
[pid   440] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   440] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   440] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[441]}, 88) = 441
[pid   440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   440] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   440] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 441 attached
 <unfinished ...>
[pid   434] <... read resumed> <unfinished ...>) = ?
[pid   413] +++ exited with 0 +++
[pid   412] exit_group(0 <unfinished ...>
[pid   437] <... futex resumed>)        = ?
[pid   414] <... futex resumed>)        = ?
[pid   412] <... exit_group resumed>)   = ?
[pid   437] +++ exited with 0 +++
[pid   414] +++ exited with 0 +++
[pid   434] +++ exited with 0 +++
[pid   411] +++ exited with 0 +++
[pid   441] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   433] <... read resumed> <unfinished ...>) = ?
[pid   302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=411, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} ---
[pid   441] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   302] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   441] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   302] <... restart_syscall resumed>) = 0
[pid   441] memfd_create("syzkaller", 0 <unfinished ...>
[pid   302] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   441] <... memfd_create resumed>) = 3
[pid   302] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   302] <... openat resumed>)       = 3
[pid   302] fstat(3 <unfinished ...>
[pid   441] <... mmap resumed>)         = 0x7fb34afd1000
[pid   302] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   302] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   302] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   302] unlink("./3/binderfs")      = 0
[pid   302] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   436] <... write resumed>)        = 20699119
[pid   436] munmap(0x7fb34afd1000, 138412032) = 0
[pid   436] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid   436] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   436] close(3)                    = 0
[pid   436] close(4)                    = 0
[pid   436] mkdir("./bus", 0777)        = 0
[pid   436] mount("/dev/loop3", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   433] +++ exited with 0 +++
[pid   412] +++ exited with 0 +++
[pid   300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=412, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=23 /* 0.23 s */} ---
[pid   300] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   300] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   300] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   300] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   300] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   300] unlink("./3/binderfs")      = 0
[   29.985076][  T436] F2FS-fs (loop3): Invalid segment/section count (28696 != 24 * 1)
[   29.995439][   T49] handle_bad_sector: 21 callbacks suppressed
[   29.995449][   T49] attempt to access beyond end of device
[   29.995449][   T49] loop4: rw=1, want=53248, limit=40427
[   30.002298][  T436] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock
[   30.021433][  T436] F2FS-fs (loop3): invalid crc value
[pid   300] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[   30.033957][    T7] attempt to access beyond end of device
[   30.033957][    T7] loop2: rw=2049, want=40984, limit=40427
[   30.042252][   T49] attempt to access beyond end of device
[   30.042252][   T49] loop4: rw=1, want=64608, limit=40427
[   30.056807][  T436] F2FS-fs (loop3): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   30.061738][   T49] attempt to access beyond end of device
[   30.061738][   T49] loop4: rw=1, want=66704, limit=40427
[pid   439] 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"..., 20699119 <unfinished ...>
[pid   436] <... mount resumed>)        = 0
[pid   436] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   436] chdir("./bus")              = 0
[pid   436] openat(AT_FDCWD, "/dev/loop3", O_RDONLY) = 4
[pid   436] ioctl(4, LOOP_CLR_FD)       = 0
[pid   436] close(4)                    = 0
[pid   436] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   435] <... futex resumed>)        = 0
[pid   435] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   435] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   436] <... futex resumed>)        = 1
[pid   436] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 4
[pid   436] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   435] <... futex resumed>)        = 0
[pid   436] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   435] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   436] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   436] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[pid   435] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   436] <... ioctl resumed>)        = 0
[pid   436] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   435] <... futex resumed>)        = 0
[pid   436] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   435] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   436] <... openat resumed>)       = 5
[pid   435] <... futex resumed>)        = 0
[pid   435] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   436] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   435] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   436] <... futex resumed>)        = 0
[pid   435] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   436] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   435] <... futex resumed>)        = 0
[pid   436] <... pwrite64 resumed>)     = 1
[pid   435] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   436] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   435] <... futex resumed>)        = 0
[pid   436] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   435] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   436] <... openat resumed>)       = 6
[pid   435] <... futex resumed>)        = 0
[pid   435] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   436] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   435] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   436] <... futex resumed>)        = 0
[pid   436] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   435] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   436] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   435] <... futex resumed>)        = 0
[pid   436] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[   30.089611][   T49] attempt to access beyond end of device
[   30.089611][   T49] loop4: rw=2049, want=40984, limit=40427
[   30.107218][  T436] F2FS-fs (loop3): Start checkpoint disabled!
[   30.114061][  T436] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0
[   30.121293][  T436] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e6
[pid   435] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   439] <... write resumed>)        = 20699119
[pid   439] munmap(0x7fb34afd1000, 138412032) = 0
[pid   439] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid   439] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   441] 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"..., 20699119 <unfinished ...>
[pid   439] <... ioctl resumed>)        = 0
[pid   439] close(3)                    = 0
[pid   439] close(4 <unfinished ...>
[pid   435] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   435] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   435] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[446]}, 88) = 446
[pid   435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   435] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   435] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   436] <... mmap resumed>)         = 0x200000000000
ci2-android-5-10/strace-static-x86_64: Process 446 attached
[pid   436] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   446] set_robust_list(0x7fb3533d09a0, 24 <unfinished ...>
[pid   436] <... futex resumed>)        = 0
[pid   436] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   446] <... set_robust_list resumed>) = 0
[pid   446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   446] read(6 <unfinished ...>
[pid   441] <... write resumed>)        = 20699119
[pid   441] munmap(0x7fb34afd1000, 138412032) = 0
[pid   441] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid   435] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   435] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   435] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   436] <... futex resumed>)        = 0
[pid   435] <... futex resumed>)        = 1
[pid   436] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   435] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   436] <... unshare resumed>)      = 0
[pid   436] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   435] <... futex resumed>)        = 0
[pid   436] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   300] <... umount2 resumed>)      = 0
[pid   300] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] newfstatat(AT_FDCWD, "./3/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   300] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] openat(AT_FDCWD, "./3/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   300] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   300] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   300] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   300] close(4)                    = 0
[pid   300] rmdir("./3/bus")            = 0
[pid   300] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   300] close(3)                    = 0
[pid   300] rmdir("./3")                = 0
[pid   300] mkdir("./4", 0777)          = 0
[pid   300] openat(AT_FDCWD, "/dev/loop2", O_RDONLY <unfinished ...>
[pid   441] <... openat resumed>)       = 4
[pid   439] <... close resumed>)        = 0
[pid   441] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   439] mkdir("./bus", 0777)        = 0
[pid   439] mount("/dev/loop1", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   446] <... read resumed>, 0x200000005d80, 4294966961) = 16753280
[pid   446] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   446] futex(0x7fb3534c9e58, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   302] <... umount2 resumed>)      = 0
[pid   302] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] newfstatat(AT_FDCWD, "./3/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   302] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] openat(AT_FDCWD, "./3/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   302] fstat(4 <unfinished ...>
[pid   435] exit_group(0 <unfinished ...>
[pid   436] <... futex resumed>)        = ?
[pid   435] <... exit_group resumed>)   = ?
[pid   446] <... futex resumed>)        = ?
[pid   302] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   436] +++ exited with 0 +++
[pid   302] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   302] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   302] close(4)                    = 0
[pid   302] rmdir("./3/bus")            = 0
[pid   302] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   302] close(3)                    = 0
[pid   302] rmdir("./3")                = 0
[pid   302] mkdir("./4", 0777)          = 0
[pid   302] openat(AT_FDCWD, "/dev/loop4", O_RDONLY <unfinished ...>
[pid   446] +++ exited with 0 +++
[pid   441] <... ioctl resumed>)        = 0
[pid   435] +++ exited with 0 +++
[pid   302] <... openat resumed>)       = 3
[pid   302] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   300] <... openat resumed>)       = 3
[pid   302] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   300] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   302] close(3 <unfinished ...>
[pid   300] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   302] <... close resumed>)        = 0
[pid   300] close(3 <unfinished ...>
[pid   302] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   300] <... close resumed>)        = 0
[pid   302] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   300] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   300] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   302] <... clone resumed>, child_tidptr=0x55556a4ec690) = 448
[pid   302] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   300] <... clone resumed>, child_tidptr=0x55556a4ec690) = 449
[pid   302] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 449 attached
[pid   449] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   449] chdir("./4")                = 0
[pid   449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   449] setpgid(0, 0)               = 0
[pid   449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   449] write(3, "1000", 4)         = 4
[pid   449] close(3)                    = 0
[pid   449] symlink("/dev/binderfs", "./binderfs") = 0
[pid   449] write(1, "executing program\n", 18) = 18
[pid   449] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   449] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   449] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   449] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   449] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[450]}, 88) = 450
[pid   449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   449] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   449] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 450 attached
 <unfinished ...>
[pid   450] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   450] memfd_create("syzkaller", 0) = 3
[pid   450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
executing program
[pid   441] close(3 <unfinished ...>
[pid   301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=435, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=30 /* 0.30 s */} ---
[pid   441] <... close resumed>)        = 0
[pid   441] close(4 <unfinished ...>
[pid   301] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   441] <... close resumed>)        = 0
[pid   301] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   441] mkdir("./bus", 0777 <unfinished ...>
[pid   301] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   441] <... mkdir resumed>)        = 0
[pid   301] <... openat resumed>)       = 3
[pid   301] fstat(3 <unfinished ...>
[pid   441] mount("/dev/loop0", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   301] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   301] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   301] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   301] unlink("./3/binderfs")      = 0
[   30.352534][  T439] F2FS-fs (loop1): Invalid segment/section count (28696 != 24 * 1)
[   30.360445][  T439] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[   30.372330][  T441] F2FS-fs (loop0): Invalid segment/section count (28696 != 24 * 1)
[   30.387815][   T49] attempt to access beyond end of device
[   30.387815][   T49] loop3: rw=1, want=81920, limit=40427
[pid   301] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-10/strace-static-x86_64: Process 448 attached
 <unfinished ...>
[pid   448] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   448] chdir("./4")                = 0
[pid   448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   448] setpgid(0, 0)               = 0
[pid   448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   448] write(3, "1000", 4)         = 4
[pid   448] close(3)                    = 0
[pid   448] symlink("/dev/binderfs", "./binderfs") = 0
[pid   448] write(1, "executing program\n", 18) = 18
executing program
[pid   448] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   448] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   448] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   448] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[451]}, 88) = 451
[pid   448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   448] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   448] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 451 attached
 <unfinished ...>
[pid   451] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   451] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   451] memfd_create("syzkaller", 0) = 3
[pid   451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[   30.390190][  T441] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[   30.417600][  T439] F2FS-fs (loop1): invalid crc value
[   30.420079][   T49] attempt to access beyond end of device
[   30.420079][   T49] loop3: rw=1, want=53248, limit=40427
[   30.432541][  T439] F2FS-fs (loop1): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   30.445983][  T441] F2FS-fs (loop0): invalid crc value
[   30.460601][  T441] F2FS-fs (loop0): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   30.474835][   T49] attempt to access beyond end of device
[   30.474835][   T49] loop3: rw=1, want=72072, limit=40427
[pid   450] 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"..., 20699119 <unfinished ...>
[pid   451] 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"..., 20699119 <unfinished ...>
[pid   439] <... mount resumed>)        = 0
[pid   439] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   439] chdir("./bus")              = 0
[   30.514035][  T439] F2FS-fs (loop1): Start checkpoint disabled!
[   30.523848][   T49] attempt to access beyond end of device
[   30.523848][   T49] loop3: rw=2049, want=40984, limit=40427
[   30.535940][  T439] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[   30.547483][  T439] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e6
[   30.556218][  T441] F2FS-fs (loop0): Start checkpoint disabled!
[pid   439] openat(AT_FDCWD, "/dev/loop1", O_RDONLY) = 4
[pid   439] ioctl(4, LOOP_CLR_FD)       = 0
[pid   439] close(4)                    = 0
[pid   439] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] <... futex resumed>)        = 0
[pid   438] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   438] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   439] <... futex resumed>)        = 1
[pid   439] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 4
[pid   439] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] <... futex resumed>)        = 0
[pid   438] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   438] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   439] <... futex resumed>)        = 1
[pid   439] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0) = 0
[pid   439] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] <... futex resumed>)        = 0
[pid   438] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   438] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   439] <... futex resumed>)        = 1
[pid   439] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 5
[pid   439] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] <... futex resumed>)        = 0
[pid   438] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   438] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   439] <... futex resumed>)        = 1
[pid   439] pwrite64(5, "\f", 1, 134220897) = 1
[pid   439] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] <... futex resumed>)        = 0
[pid   438] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   438] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   439] <... futex resumed>)        = 1
[pid   439] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025) = 6
[pid   439] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] <... futex resumed>)        = 0
[pid   438] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   438] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   439] <... futex resumed>)        = 1
[pid   439] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   450] <... write resumed>)        = 20699119
[pid   450] munmap(0x7fb34afd1000, 138412032) = 0
[pid   450] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid   450] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   450] close(3)                    = 0
[pid   450] close(4)                    = 0
[pid   450] mkdir("./bus", 0777)        = 0
[   30.576332][  T441] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[   30.597031][  T441] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6
[pid   450] mount("/dev/loop2", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   451] <... write resumed>)        = 20699119
[pid   441] <... mount resumed>)        = 0
[pid   441] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   441] chdir("./bus")              = 0
[pid   441] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 4
[pid   441] ioctl(4, LOOP_CLR_FD)       = 0
[pid   441] close(4)                    = 0
[pid   441] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   440] <... futex resumed>)        = 0
[pid   440] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   440] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   441] <... futex resumed>)        = 1
[pid   441] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 4
[pid   441] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   440] <... futex resumed>)        = 0
[pid   440] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   440] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   441] <... futex resumed>)        = 1
[pid   441] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0) = 0
[pid   441] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   440] <... futex resumed>)        = 0
[pid   440] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   440] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   441] <... futex resumed>)        = 1
[pid   441] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 5
[pid   441] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   440] <... futex resumed>)        = 0
[pid   440] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   440] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   441] <... futex resumed>)        = 1
[pid   441] pwrite64(5, "\f", 1, 134220897) = 1
[pid   441] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   440] <... futex resumed>)        = 0
[pid   440] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   440] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   441] <... futex resumed>)        = 1
[pid   441] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025) = 6
[pid   441] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   438] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   438] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   438] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   438] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[457]}, 88) = 457
[pid   438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   438] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   438] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   440] <... futex resumed>)        = 0
[pid   440] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   440] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   441] <... futex resumed>)        = 1
[pid   441] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0ci2-android-5-10/strace-static-x86_64: Process 457 attached
 <unfinished ...>
[pid   457] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   457] read(6 <unfinished ...>
[pid   451] munmap(0x7fb34afd1000, 138412032) = 0
[pid   451] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid   451] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   451] close(3)                    = 0
[pid   451] close(4)                    = 0
[pid   451] mkdir("./bus", 0777)        = 0
[   30.620438][  T450] F2FS-fs (loop2): Invalid segment/section count (28696 != 24 * 1)
[   30.628568][  T450] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[   30.638100][  T450] F2FS-fs (loop2): invalid crc value
[pid   451] mount("/dev/loop4", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   441] <... mmap resumed>)         = 0x200000000000
[pid   438] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   440] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   438] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   440] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} <unfinished ...>
[pid   438] <... futex resumed>)        = 0
[pid   440] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   440] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   440] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   440] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[461]}, 88) = 461
[pid   440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   440] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   440] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   438] <... mmap resumed>)         = 0x7fb35338f000
[pid   438] mprotect(0x7fb353390000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   438] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   438] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533af990, parent_tid=0x7fb3533af990, exit_signal=0, stack=0x7fb35338f000, stack_size=0x20300, tls=0x7fb3533af6c0} => {parent_tid=[462]}, 88) = 462
[pid   438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   438] futex(0x7fb3534c9e68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   438] futex(0x7fb3534c9e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   441] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   441] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-10/strace-static-x86_64: Process 462 attached
ci2-android-5-10/strace-static-x86_64: Process 461 attached
 <unfinished ...>
[pid   462] set_robust_list(0x7fb3533af9a0, 24 <unfinished ...>
[pid   461] set_robust_list(0x7fb3533d09a0, 24 <unfinished ...>
[pid   462] <... set_robust_list resumed>) = 0
[pid   461] <... set_robust_list resumed>) = 0
[pid   462] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   461] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   462] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   461] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   462] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   461] read(6 <unfinished ...>
[pid   462] <... unshare resumed>)      = 0
[pid   462] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   438] <... futex resumed>)        = 0
[pid   462] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   440] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   440] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   440] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   441] <... futex resumed>)        = 0
[pid   440] <... futex resumed>)        = 1
[pid   441] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   440] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   441] <... unshare resumed>)      = 0
[pid   441] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   440] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   441] <... futex resumed>)        = 0
[   30.680467][  T451] F2FS-fs (loop4): Invalid segment/section count (28696 != 24 * 1)
[   30.683817][  T450] F2FS-fs (loop2): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   30.705809][  T451] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock
[pid   441] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   439] <... mmap resumed>)         = 0x200000000000
[pid   439] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   30.745302][  T451] F2FS-fs (loop4): invalid crc value
[   30.763194][  T450] F2FS-fs (loop2): Start checkpoint disabled!
[   30.770072][  T451] F2FS-fs (loop4): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[pid   439] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   450] <... mount resumed>)        = 0
[pid   450] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   450] chdir("./bus")              = 0
[pid   450] openat(AT_FDCWD, "/dev/loop2", O_RDONLY) = 4
[pid   450] ioctl(4, LOOP_CLR_FD)       = 0
[pid   450] close(4)                    = 0
[pid   450] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   449] <... futex resumed>)        = 0
[pid   449] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   449] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   450] <... futex resumed>)        = 1
[pid   450] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 4
[pid   450] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   449] <... futex resumed>)        = 0
[pid   449] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   449] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   450] <... futex resumed>)        = 1
[pid   450] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0) = 0
[pid   450] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   449] <... futex resumed>)        = 0
[pid   449] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   449] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   450] <... futex resumed>)        = 1
[pid   450] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 5
[pid   450] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   449] <... futex resumed>)        = 0
[pid   449] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   449] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   450] <... futex resumed>)        = 1
[pid   450] pwrite64(5, "\f", 1, 134220897) = 1
[pid   450] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   449] <... futex resumed>)        = 0
[pid   449] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   449] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   450] <... futex resumed>)        = 1
[pid   450] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025) = 6
[pid   450] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   449] <... futex resumed>)        = 0
[pid   449] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   449] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   450] <... futex resumed>)        = 1
[   30.794212][  T450] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[   30.803802][  T450] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e6
[pid   450] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   457] <... read resumed>, 0x200000005d80, 4294966961) = 16753280
[pid   457] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   438] exit_group(0 <unfinished ...>
[pid   462] <... futex resumed>)        = ?
[pid   439] <... futex resumed>)        = ?
[pid   438] <... exit_group resumed>)   = ?
[pid   439] +++ exited with 0 +++
[pid   462] +++ exited with 0 +++
[pid   449] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   449] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   449] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   449] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   449] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   449] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   449] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[465]}, 88) = 465
[pid   449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   449] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   449] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   440] exit_group(0 <unfinished ...>
[pid   461] <... read resumed> <unfinished ...>) = ?
[pid   441] <... futex resumed>)        = ?
[pid   440] <... exit_group resumed>)   = ?
[pid   301] <... umount2 resumed>)      = 0
ci2-android-5-10/strace-static-x86_64: Process 465 attached
[pid   465] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[   30.863980][  T451] F2FS-fs (loop4): Start checkpoint disabled!
[   30.901971][  T451] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0
[pid   465] read(6 <unfinished ...>
[pid   461] +++ exited with 0 +++
[pid   457] +++ exited with 0 +++
[pid   441] +++ exited with 0 +++
[pid   440] +++ exited with 0 +++
[pid   438] +++ exited with 0 +++
[pid   301] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=438, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=28 /* 0.28 s */} ---
[pid   298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=440, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=28 /* 0.28 s */} ---
[pid   301] newfstatat(AT_FDCWD, "./3/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   301] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   299] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   298] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   301] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   299] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   301] openat(AT_FDCWD, "./3/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   298] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   299] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   301] <... openat resumed>)       = 4
[pid   298] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   301] fstat(4 <unfinished ...>
[pid   299] <... openat resumed>)       = 3
[pid   301] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   299] fstat(3 <unfinished ...>
[pid   298] <... openat resumed>)       = 3
[pid   301] getdents64(4 <unfinished ...>
[pid   299] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   298] fstat(3 <unfinished ...>
[pid   301] <... getdents64 resumed>, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   299] getdents64(3 <unfinished ...>
[pid   298] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   301] getdents64(4 <unfinished ...>
[pid   299] <... getdents64 resumed>, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   298] getdents64(3 <unfinished ...>
[pid   301] <... getdents64 resumed>, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   299] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   301] close(4 <unfinished ...>
[pid   299] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   298] <... getdents64 resumed>, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   301] <... close resumed>)        = 0
[pid   299] newfstatat(AT_FDCWD, "./4/binderfs" <unfinished ...>
[pid   298] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   301] rmdir("./3/bus" <unfinished ...>
[pid   299] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   301] <... rmdir resumed>)        = 0
[pid   298] newfstatat(AT_FDCWD, "./4/binderfs" <unfinished ...>
[pid   301] getdents64(3 <unfinished ...>
[pid   299] unlink("./4/binderfs" <unfinished ...>
[pid   301] <... getdents64 resumed>, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   298] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   299] <... unlink resumed>)       = 0
[pid   298] unlink("./4/binderfs" <unfinished ...>
[pid   301] close(3 <unfinished ...>
[pid   299] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   298] <... unlink resumed>)       = 0
[pid   301] <... close resumed>)        = 0
[pid   298] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   451] <... mount resumed>)        = 0
[pid   451] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   451] chdir("./bus")              = 0
[pid   451] openat(AT_FDCWD, "/dev/loop4", O_RDONLY) = 4
[pid   451] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   449] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   449] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   449] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   449] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   449] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   449] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   451] <... ioctl resumed>)        = 0
[pid   451] close(4)                    = 0
[pid   451] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   448] <... futex resumed>)        = 0
[pid   448] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   448] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   451] <... futex resumed>)        = 1
[pid   451] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 4
[pid   451] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   448] <... futex resumed>)        = 0
[pid   448] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   448] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   451] <... futex resumed>)        = 1
[pid   451] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0) = 0
[pid   451] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   448] <... futex resumed>)        = 0
[pid   448] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   448] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   451] <... futex resumed>)        = 1
[pid   451] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 5
[pid   451] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   448] <... futex resumed>)        = 0
[pid   448] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   448] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   451] <... futex resumed>)        = 1
[pid   451] pwrite64(5, "\f", 1, 134220897) = 1
[pid   451] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   448] <... futex resumed>)        = 0
[pid   448] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   448] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   451] <... futex resumed>)        = 1
[pid   451] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025) = 6
[pid   451] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   448] <... futex resumed>)        = 0
[pid   448] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   448] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   451] <... futex resumed>)        = 1
[pid   451] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   449] <... mmap resumed>)         = 0x7fb35338f000
[pid   449] mprotect(0x7fb353390000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   449] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533af990, parent_tid=0x7fb3533af990, exit_signal=0, stack=0x7fb35338f000, stack_size=0x20300, tls=0x7fb3533af6c0} => {parent_tid=[466]}, 88) = 466
[pid   449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   449] futex(0x7fb3534c9e68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   449] futex(0x7fb3534c9e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   301] rmdir("./3")                = 0
[pid   301] mkdir("./4", 0777)          = 0
[pid   301] openat(AT_FDCWD, "/dev/loop3", O_RDONLY) = 3
[pid   301] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   301] close(3)                    = 0
[pid   301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 467
[pid   301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 466 attached
[pid   466] set_robust_list(0x7fb3533af9a0, 24) = 0
[pid   466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   466] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID) = 0
[pid   466] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   449] <... futex resumed>)        = 0
[pid   466] <... futex resumed>)        = 1
[pid   466] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-10/strace-static-x86_64: Process 467 attached
 <unfinished ...>
[pid   467] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   467] chdir("./4")                = 0
[pid   467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   467] setpgid(0, 0)               = 0
[pid   467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[   30.909006][  T451] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e6
[   30.920020][   T49] attempt to access beyond end of device
[   30.920020][   T49] loop1: rw=2049, want=40984, limit=40427
[pid   467] write(3, "1000", 4)         = 4
[pid   467] close(3)                    = 0
[pid   467] symlink("/dev/binderfs", "./binderfs") = 0
[pid   467] write(1, "executing program\n", 18) = 18
[pid   467] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   467] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   467] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[468]}, 88) = 468
[pid   467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   467] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   467] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   448] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   448] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   448] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   448] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[469]}, 88) = 469
[pid   448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   448] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   448] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 469 attached
 <unfinished ...>
[pid   469] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   469] read(6ci2-android-5-10/strace-static-x86_64: Process 468 attached
 <unfinished ...>
[pid   468] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   468] memfd_create("syzkaller", 0) = 3
[pid   468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   450] <... mmap resumed>)         = 0x200000000000
[pid   450] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   450] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   448] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   448] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   448] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   448] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb35338f000
[pid   448] mprotect(0x7fb353390000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   448] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533af990, parent_tid=0x7fb3533af990, exit_signal=0, stack=0x7fb35338f000, stack_size=0x20300, tls=0x7fb3533af6c0} => {parent_tid=[470]}, 88) = 470
[pid   448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   448] futex(0x7fb3534c9e68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   448] futex(0x7fb3534c9e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 470 attached
 <unfinished ...>
[pid   470] set_robust_list(0x7fb3533af9a0, 24) = 0
[pid   470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   470] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID) = 0
[pid   470] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   448] <... futex resumed>)        = 0
[pid   470] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   451] <... mmap resumed>)         = 0x200000000000
[pid   451] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   451] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   449] exit_group(0 <unfinished ...>
[pid   466] <... futex resumed>)        = ?
[pid   450] <... futex resumed>)        = ?
[pid   449] <... exit_group resumed>)   = ?
[pid   466] +++ exited with 0 +++
[pid   450] +++ exited with 0 +++
[pid   465] <... read resumed> <unfinished ...>) = ?
[pid   465] +++ exited with 0 +++
[pid   449] +++ exited with 0 +++
[pid   300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=449, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} ---
[pid   300] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   300] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   300] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   300] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   300] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   300] unlink("./4/binderfs")      = 0
[pid   300] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   300] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] newfstatat(AT_FDCWD, "./4/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   300] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] openat(AT_FDCWD, "./4/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   300] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   300] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   300] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   300] close(4)                    = 0
[pid   300] rmdir("./4/bus" <unfinished ...>
[pid   448] exit_group(0 <unfinished ...>
[pid   470] <... futex resumed>)        = ?
[pid   451] <... futex resumed>)        = ?
[pid   448] <... exit_group resumed>)   = ?
[pid   451] +++ exited with 0 +++
[pid   470] +++ exited with 0 +++
[pid   468] 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"..., 20699119 <unfinished ...>
[pid   469] <... read resumed> <unfinished ...>) = ?
[pid   299] <... umount2 resumed>)      = 0
[pid   299] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] newfstatat(AT_FDCWD, "./4/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   299] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] openat(AT_FDCWD, "./4/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   299] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   299] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   299] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   299] close(4)                    = 0
[pid   299] rmdir("./4/bus")            = 0
[pid   299] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   299] close(3)                    = 0
[pid   299] rmdir("./4")                = 0
[pid   299] mkdir("./5", 0777)          = 0
[pid   299] openat(AT_FDCWD, "/dev/loop1", O_RDONLY) = 3
[pid   299] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   299] close(3)                    = 0
[pid   299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 471
[pid   299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 471 attached
[pid   469] +++ exited with 0 +++
[pid   448] +++ exited with 0 +++
[pid   302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=448, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=24 /* 0.24 s */} ---
[pid   302] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   471] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   471] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   471] chdir("./5")                = 0
[pid   471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   471] setpgid(0, 0)               = 0
[pid   471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   471] write(3, "1000", 4)         = 4
[pid   471] close(3)                    = 0
[pid   471] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   302] <... restart_syscall resumed>) = 0
[pid   302] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   471] <... symlink resumed>)      = 0
[pid   471] write(1, "executing program\n", 18 <unfinished ...>
[pid   302] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   471] <... write resumed>)        = 18
[pid   302] <... openat resumed>)       = 3
[pid   471] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   302] fstat(3 <unfinished ...>
[pid   471] <... futex resumed>)        = 0
[pid   471] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0} <unfinished ...>
[pid   302] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   471] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
[pid   471] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   302] getdents64(3 <unfinished ...>
[pid   471] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   302] <... getdents64 resumed>, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   302] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   471] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   302] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   471] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   302] newfstatat(AT_FDCWD, "./4/binderfs" <unfinished ...>
[pid   471] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} <unfinished ...>
[pid   302] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   302] unlink("./4/binderfs" <unfinished ...>
[pid   471] <... clone3 resumed> => {parent_tid=[472]}, 88) = 472
[pid   471] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   302] <... unlink resumed>)       = 0
[pid   471] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   471] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   302] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   471] <... futex resumed>)        = 0
[pid   471] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 472 attached
 <unfinished ...>
[pid   472] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   472] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   472] memfd_create("syzkaller", 0) = 3
[pid   472] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   468] <... write resumed>)        = 20699119
[pid   468] munmap(0x7fb34afd1000, 138412032) = 0
[pid   468] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid   472] 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"..., 20699119 <unfinished ...>
[pid   468] <... openat resumed>)       = 4
[pid   468] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   298] <... umount2 resumed>)      = 0
[pid   298] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] newfstatat(AT_FDCWD, "./4/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./4/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   298] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   298] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   298] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   298] close(4)                    = 0
[pid   298] rmdir("./4/bus")            = 0
[pid   298] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   298] close(3)                    = 0
[pid   298] rmdir("./4")                = 0
[pid   298] mkdir("./5", 0777)          = 0
[pid   298] openat(AT_FDCWD, "/dev/loop0", O_RDONLY <unfinished ...>
[pid   472] <... write resumed>)        = 20699119
[pid   472] munmap(0x7fb34afd1000, 138412032) = 0
[pid   472] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid   468] <... ioctl resumed>)        = 0
[pid   472] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   298] <... openat resumed>)       = 3
[pid   468] close(3 <unfinished ...>
[pid   298] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   468] <... close resumed>)        = 0
[pid   468] close(4 <unfinished ...>
[pid   472] <... ioctl resumed>)        = 0
[pid   468] <... close resumed>)        = 0
[pid   298] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   472] close(3 <unfinished ...>
[pid   468] mkdir("./bus", 0777 <unfinished ...>
[pid   298] close(3 <unfinished ...>
[pid   472] <... close resumed>)        = 0
[pid   472] close(4 <unfinished ...>
[pid   468] <... mkdir resumed>)        = 0
[pid   298] <... close resumed>)        = 0
[pid   472] <... close resumed>)        = 0
[pid   468] mount("/dev/loop3", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   298] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   472] mkdir("./bus", 0777 <unfinished ...>
[pid   298] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   472] <... mkdir resumed>)        = 0
[pid   472] mount("/dev/loop1", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   298] <... clone resumed>, child_tidptr=0x55556a4ec690) = 475
ci2-android-5-10/strace-static-x86_64: Process 475 attached
[pid   475] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   298] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   475] chdir("./5")                = 0
[pid   475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   475] setpgid(0, 0)               = 0
[pid   475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   298] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   475] <... openat resumed>)       = 3
[pid   475] write(3, "1000", 4)         = 4
[pid   475] close(3)                    = 0
[pid   475] symlink("/dev/binderfs", "./binderfs") = 0
[pid   475] write(1, "executing program\n", 18) = 18
executing program
[pid   475] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   475] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   475] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   475] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   475] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[476]}, 88) = 476
[pid   475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   475] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   475] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   302] <... umount2 resumed>)      = 0
[pid   302] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] newfstatat(AT_FDCWD, "./4/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   302] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] openat(AT_FDCWD, "./4/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   302] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   302] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   302] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   302] close(4)                    = 0
[pid   302] rmdir("./4/bus")            = 0
[pid   302] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   302] close(3)                    = 0
[pid   302] rmdir("./4")                = 0
[pid   302] mkdir("./5", 0777)          = 0
[pid   302] openat(AT_FDCWD, "/dev/loop4", O_RDONLY) = 3
[pid   302] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   302] close(3)                    = 0
[pid   302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 477
[pid   302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 477 attached
[pid   477] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   477] chdir("./5")                = 0
[pid   477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   477] setpgid(0, 0)               = 0
[pid   477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   477] write(3, "1000", 4)         = 4
[pid   477] close(3)                    = 0
[pid   477] symlink("/dev/binderfs", "./binderfs") = 0
[pid   477] write(1, "executing program\n", 18) = 18
[pid   477] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   477] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   477] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   477] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   477] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[478]}, 88) = 478
[pid   477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   477] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   477] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 478 attached
 <unfinished ...>
[pid   478] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   478] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   478] memfd_create("syzkaller", 0) = 3
[pid   478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
executing program
[   31.364290][  T468] F2FS-fs (loop3): Invalid segment/section count (28696 != 24 * 1)
[   31.373350][  T472] F2FS-fs (loop1): Invalid segment/section count (28696 != 24 * 1)
[   31.399051][  T468] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock
ci2-android-5-10/strace-static-x86_64: Process 476 attached
[pid   476] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   476] memfd_create("syzkaller", 0) = 3
[pid   476] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   300] <... rmdir resumed>)        = 0
[pid   300] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   300] close(3)                    = 0
[pid   300] rmdir("./4")                = 0
[pid   300] mkdir("./5", 0777)          = 0
[pid   300] openat(AT_FDCWD, "/dev/loop2", O_RDONLY) = 3
[pid   300] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   300] close(3)                    = 0
[pid   300] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 481
[pid   300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 481 attached
[pid   481] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   481] chdir("./5")                = 0
[pid   481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   481] setpgid(0, 0)               = 0
[pid   481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   481] write(3, "1000", 4)         = 4
[pid   481] close(3)                    = 0
[pid   481] symlink("/dev/binderfs", "./binderfs") = 0
[pid   481] write(1, "executing program\n", 18) = 18
executing program
[pid   481] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   481] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   481] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   481] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   481] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[483]}, 88) = 483
[pid   481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   481] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   481] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 483 attached
 <unfinished ...>
[pid   483] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   483] memfd_create("syzkaller", 0) = 3
[pid   483] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[   31.407492][  T472] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[   31.417621][  T472] F2FS-fs (loop1): invalid crc value
[   31.423878][  T468] F2FS-fs (loop3): invalid crc value
[   31.442080][  T472] F2FS-fs (loop1): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   31.448302][  T468] F2FS-fs (loop3): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[pid   468] <... mount resumed>)        = 0
[pid   468] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   468] chdir("./bus")              = 0
[pid   468] openat(AT_FDCWD, "/dev/loop3", O_RDONLY) = 4
[pid   468] ioctl(4, LOOP_CLR_FD)       = 0
[pid   468] close(4)                    = 0
[pid   468] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   467] <... futex resumed>)        = 0
[pid   468] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   467] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   468] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   468] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   467] <... futex resumed>)        = 0
[pid   468] <... openat resumed>)       = 4
[pid   467] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   468] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   467] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   468] <... futex resumed>)        = 0
[pid   468] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[pid   467] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   468] <... ioctl resumed>)        = 0
[pid   467] <... futex resumed>)        = 0
[pid   468] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   467] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   468] <... futex resumed>)        = 0
[pid   467] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   468] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   467] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   468] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   467] <... futex resumed>)        = 0
[pid   468] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   467] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   468] <... openat resumed>)       = 5
[pid   468] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   467] <... futex resumed>)        = 0
[pid   468] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   467] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   468] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   467] <... futex resumed>)        = 0
[pid   468] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   467] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   468] <... pwrite64 resumed>)     = 1
[pid   468] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   467] <... futex resumed>)        = 0
[pid   468] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   467] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   468] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   467] <... futex resumed>)        = 0
[pid   468] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   467] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   468] <... openat resumed>)       = 6
[pid   468] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   467] <... futex resumed>)        = 0
[pid   468] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   467] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   468] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   467] <... futex resumed>)        = 0
[pid   468] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[   31.480278][  T468] F2FS-fs (loop3): Start checkpoint disabled!
[   31.487146][  T468] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0
[   31.494310][  T468] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e6
[pid   467] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   478] 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"..., 20699119 <unfinished ...>
[pid   467] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   467] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   467] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[485]}, 88) = 485
[pid   467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   467] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   467] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 485 attached
 <unfinished ...>
[pid   485] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   485] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   468] <... mmap resumed>)         = 0x200000000000
[pid   485] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   485] read(6 <unfinished ...>
[pid   468] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   468] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   472] <... mount resumed>)        = 0
[pid   472] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   472] chdir("./bus")              = 0
[pid   472] openat(AT_FDCWD, "/dev/loop1", O_RDONLY) = 4
[pid   472] ioctl(4, LOOP_CLR_FD)       = 0
[pid   472] close(4)                    = 0
[pid   472] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   471] <... futex resumed>)        = 0
[pid   471] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   471] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   472] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 4
[pid   472] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   471] <... futex resumed>)        = 0
[pid   471] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   471] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   472] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0) = 0
[pid   472] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   471] <... futex resumed>)        = 0
[pid   471] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   471] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   472] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 5
[pid   472] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   471] <... futex resumed>)        = 0
[pid   471] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   471] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   472] pwrite64(5, "\f", 1, 134220897) = 1
[pid   472] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   471] <... futex resumed>)        = 0
[pid   471] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   471] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   472] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025) = 6
[pid   472] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   471] <... futex resumed>)        = 0
[pid   471] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   31.523034][  T472] F2FS-fs (loop1): Start checkpoint disabled!
[   31.547743][  T472] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[   31.565243][  T472] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e6
[pid   471] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   472] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   476] 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"..., 20699119 <unfinished ...>
[pid   467] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   467] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   467] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   468] <... futex resumed>)        = 0
[pid   467] <... futex resumed>)        = 1
[pid   468] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   467] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   468] <... unshare resumed>)      = 0
[pid   468] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   467] <... futex resumed>)        = 0
[pid   468] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   483] 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"..., 20699119 <unfinished ...>
[pid   471] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   471] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   471] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   471] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[486]}, 88) = 486
[pid   471] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   471] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   471] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 486 attached
 <unfinished ...>
[pid   486] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   486] read(6 <unfinished ...>
[pid   478] <... write resumed>)        = 20699119
[pid   478] munmap(0x7fb34afd1000, 138412032) = 0
[pid   478] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid   478] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   478] close(3)                    = 0
[pid   478] close(4)                    = 0
[pid   478] mkdir("./bus", 0777)        = 0
[pid   478] mount("/dev/loop4", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   471] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   471] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   471] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   471] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   471] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb35338f000
[pid   471] mprotect(0x7fb353390000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   471] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533af990, parent_tid=0x7fb3533af990, exit_signal=0, stack=0x7fb35338f000, stack_size=0x20300, tls=0x7fb3533af6c0} => {parent_tid=[488]}, 88) = 488
[pid   471] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   471] futex(0x7fb3534c9e68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   471] futex(0x7fb3534c9e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 488 attached
 <unfinished ...>
[pid   488] set_robust_list(0x7fb3533af9a0, 24) = 0
[pid   488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   488] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID) = 0
[pid   488] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   471] <... futex resumed>)        = 0
[pid   488] <... futex resumed>)        = 1
[pid   488] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   472] <... mmap resumed>)         = 0x200000000000
[pid   472] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   472] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   467] exit_group(0)               = ?
[pid   468] <... futex resumed>)        = ?
[pid   468] +++ exited with 0 +++
[pid   485] <... read resumed> <unfinished ...>) = ?
[   31.693256][  T478] F2FS-fs (loop4): Invalid segment/section count (28696 != 24 * 1)
[   31.724705][  T478] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock
[   31.733881][  T478] F2FS-fs (loop4): invalid crc value
[pid   476] <... write resumed>)        = 20699119
[pid   476] munmap(0x7fb34afd1000, 138412032) = 0
[pid   476] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   476] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   476] close(3)                    = 0
[pid   476] close(4)                    = 0
[pid   476] mkdir("./bus", 0777)        = 0
[pid   476] mount("/dev/loop0", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   485] +++ exited with 0 +++
[pid   467] +++ exited with 0 +++
[pid   301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=467, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=26 /* 0.26 s */} ---
[   31.766432][  T478] F2FS-fs (loop4): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   31.793881][  T476] F2FS-fs (loop0): Invalid segment/section count (28696 != 24 * 1)
[   31.800405][  T478] F2FS-fs (loop4): Start checkpoint disabled!
[pid   301] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   301] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   301] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   301] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   301] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   301] unlink("./4/binderfs")      = 0
[pid   301] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   301] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] newfstatat(AT_FDCWD, "./4/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   301] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] openat(AT_FDCWD, "./4/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   301] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   301] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   301] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   301] close(4)                    = 0
[pid   301] rmdir("./4/bus" <unfinished ...>
[pid   478] <... mount resumed>)        = 0
[pid   478] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   478] chdir("./bus")              = 0
[pid   478] openat(AT_FDCWD, "/dev/loop4", O_RDONLY) = 4
[pid   478] ioctl(4, LOOP_CLR_FD)       = 0
[pid   478] close(4)                    = 0
[pid   478] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   477] <... futex resumed>)        = 0
[pid   478] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   477] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   478] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   477] <... futex resumed>)        = 0
[pid   478] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   477] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   478] <... openat resumed>)       = 4
[pid   478] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   477] <... futex resumed>)        = 0
[pid   478] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   477] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   478] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   477] <... futex resumed>)        = 0
[pid   478] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[pid   477] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   478] <... ioctl resumed>)        = 0
[pid   478] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   477] <... futex resumed>)        = 0
[pid   478] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   477] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   478] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   477] <... futex resumed>)        = 0
[pid   478] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   477] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   478] <... openat resumed>)       = 5
[pid   478] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   477] <... futex resumed>)        = 0
[pid   478] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   477] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   478] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   477] <... futex resumed>)        = 0
[pid   478] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   477] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   478] <... pwrite64 resumed>)     = 1
[pid   478] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   477] <... futex resumed>)        = 0
[pid   478] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   477] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   478] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   477] <... futex resumed>)        = 0
[pid   478] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   477] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   478] <... openat resumed>)       = 6
[pid   478] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   477] <... futex resumed>)        = 0
[pid   478] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   477] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   478] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   477] <... futex resumed>)        = 0
[pid   478] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[   31.811521][  T478] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0
[   31.819015][  T478] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e6
[   31.829342][  T476] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[pid   477] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   471] exit_group(0 <unfinished ...>
[pid   488] <... futex resumed>)        = ?
[pid   472] <... futex resumed>)        = ?
[pid   471] <... exit_group resumed>)   = ?
[pid   488] +++ exited with 0 +++
[pid   472] +++ exited with 0 +++
[pid   483] <... write resumed>)        = 20699119
[pid   486] <... read resumed> <unfinished ...>) = ?
[pid   483] munmap(0x7fb34afd1000, 138412032) = 0
[pid   483] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid   483] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   483] close(3)                    = 0
[pid   483] close(4)                    = 0
[pid   483] mkdir("./bus", 0777)        = 0
[   31.861666][  T476] F2FS-fs (loop0): invalid crc value
[pid   483] mount("/dev/loop2", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   478] <... mmap resumed>)         = 0x200000000000
[pid   478] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   478] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   477] <... futex resumed>)        = 0
[pid   477] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   478] <... futex resumed>)        = 0
[pid   477] <... futex resumed>)        = 1
[pid   478] read(6 <unfinished ...>
[pid   477] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   486] +++ exited with 0 +++
[pid   471] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=471, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=28 /* 0.28 s */} ---
[   31.891837][  T483] F2FS-fs (loop2): Invalid segment/section count (28696 != 24 * 1)
[   31.898453][  T476] F2FS-fs (loop0): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   31.910982][  T483] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[pid   299] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   299] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   299] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   299] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   299] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   299] unlink("./5/binderfs")      = 0
[pid   299] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   477] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   477] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   476] <... mount resumed>)        = 0
[pid   477] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   477] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} <unfinished ...>
[pid   476] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   476] chdir("./bus" <unfinished ...>
[pid   477] <... clone3 resumed> => {parent_tid=[497]}, 88) = 497
[pid   477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   477] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   477] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   476] <... chdir resumed>)        = 0
[pid   476] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 4
[pid   476] ioctl(4, LOOP_CLR_FD)       = 0
[pid   476] close(4)                    = 0
[pid   476] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   475] <... futex resumed>)        = 0
[pid   475] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   475] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   476] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 4
[pid   476] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   475] <... futex resumed>)        = 0
[pid   475] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-10/strace-static-x86_64: Process 497 attached
) = 0
[pid   497] set_robust_list(0x7fb3533d09a0, 24 <unfinished ...>
[pid   475] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   497] <... set_robust_list resumed>) = 0
[pid   476] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0) = 0
[pid   476] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   475] <... futex resumed>)        = 0
[pid   497] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   475] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   497] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   475] <... futex resumed>)        = 0
[pid   497] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   475] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   476] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 5
[pid   497] <... unshare resumed>)      = 0
[pid   476] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   497] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   475] <... futex resumed>)        = 0
[pid   497] <... futex resumed>)        = 1
[pid   477] <... futex resumed>)        = 0
[pid   475] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   497] futex(0x7fb3534c9e58, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   475] <... futex resumed>)        = 0
[pid   475] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   476] pwrite64(5, "\f", 1, 134220897) = 1
[pid   476] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   475] <... futex resumed>)        = 0
[pid   475] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   475] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   476] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025) = 6
[pid   476] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   475] <... futex resumed>)        = 0
[pid   475] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   475] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[   31.941012][  T483] F2FS-fs (loop2): invalid crc value
[   31.946849][  T476] F2FS-fs (loop0): Start checkpoint disabled!
[   31.961892][  T476] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[   31.969209][  T476] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6
[pid   476] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0) = 0x200000000000
[pid   476] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   475] <... futex resumed>)        = 0
[pid   475] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   475] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[   31.989009][  T483] F2FS-fs (loop2): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[pid   476] read(6 <unfinished ...>
[pid   475] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   475] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   475] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   475] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[498]}, 88) = 498
[pid   475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   475] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   475] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 498 attached
 <unfinished ...>
[pid   498] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   498] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID) = 0
[pid   498] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   475] <... futex resumed>)        = 0
[pid   498] futex(0x7fb3534c9e58, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   476] <... read resumed>, 0x200000005d80, 4294966961) = 16753280
[pid   476] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   476] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   483] <... mount resumed>)        = 0
[pid   483] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   483] chdir("./bus")              = 0
[pid   483] openat(AT_FDCWD, "/dev/loop2", O_RDONLY <unfinished ...>
[pid   475] exit_group(0 <unfinished ...>
[pid   498] <... futex resumed>)        = ?
[pid   475] <... exit_group resumed>)   = ?
[pid   498] +++ exited with 0 +++
[pid   476] <... futex resumed>)        = ?
[pid   477] exit_group(0 <unfinished ...>
[pid   497] <... futex resumed>)        = ?
[pid   477] <... exit_group resumed>)   = ?
[pid   497] +++ exited with 0 +++
[pid   476] +++ exited with 0 +++
[pid   475] +++ exited with 0 +++
[pid   298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=475, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=28 /* 0.28 s */} ---
[pid   298] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   478] <... read resumed> <unfinished ...>) = ?
[pid   483] <... openat resumed>)       = 4
[pid   483] ioctl(4, LOOP_CLR_FD)       = 0
[pid   483] close(4)                    = 0
[pid   483] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   483] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   298] <... restart_syscall resumed>) = 0
[pid   298] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   298] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   298] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   298] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[   32.084226][  T483] F2FS-fs (loop2): Start checkpoint disabled!
[   32.104085][  T483] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[   32.111182][  T483] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e6
[pid   298] unlink("./5/binderfs")      = 0
[pid   298] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   481] <... futex resumed>)        = 0
[pid   481] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   483] <... futex resumed>)        = 0
[pid   483] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 4
[pid   481] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   483] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   483] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   481] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   481] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   483] <... futex resumed>)        = 0
[pid   481] <... futex resumed>)        = 1
[pid   483] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[pid   481] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   483] <... ioctl resumed>)        = 0
[pid   483] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   481] <... futex resumed>)        = 0
[pid   483] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   481] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   483] <... openat resumed>)       = 5
[pid   481] <... futex resumed>)        = 0
[pid   483] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   481] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   483] <... futex resumed>)        = 0
[pid   481] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   483] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   481] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   483] <... pwrite64 resumed>)     = 1
[pid   481] <... futex resumed>)        = 0
[pid   483] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   481] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   483] <... futex resumed>)        = 0
[pid   481] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   483] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   481] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   483] <... openat resumed>)       = 6
[pid   481] <... futex resumed>)        = 0
[pid   483] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   481] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   483] <... futex resumed>)        = 0
[pid   481] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   483] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   481] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   483] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   481] <... futex resumed>)        = 0
[pid   483] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   481] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   478] +++ exited with 0 +++
[pid   477] +++ exited with 0 +++
[pid   302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=477, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=31 /* 0.31 s */} ---
[pid   302] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   302] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   302] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   302] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   302] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   302] unlink("./5/binderfs")      = 0
[pid   302] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   483] <... mmap resumed>)         = 0x200000000000
[pid   483] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   481] <... futex resumed>)        = 0
[pid   481] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   481] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   483] read(6 <unfinished ...>
[pid   299] <... umount2 resumed>)      = 0
[pid   299] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] newfstatat(AT_FDCWD, "./5/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   299] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] openat(AT_FDCWD, "./5/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   299] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   299] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   299] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   299] close(4)                    = 0
[pid   299] rmdir("./5/bus")            = 0
[pid   299] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   299] close(3)                    = 0
[pid   299] rmdir("./5")                = 0
[pid   299] mkdir("./6", 0777)          = 0
[pid   299] openat(AT_FDCWD, "/dev/loop1", O_RDONLY) = 3
[pid   299] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   299] close(3)                    = 0
[pid   299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 499
[pid   299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 499 attached
[pid   499] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   499] chdir("./6")                = 0
[pid   499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   499] setpgid(0, 0)               = 0
[pid   499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   499] write(3, "1000", 4)         = 4
[pid   499] close(3)                    = 0
[pid   499] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   481] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   481] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   481] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   481] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   481] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   481] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} <unfinished ...>
[pid   499] <... symlink resumed>)      = 0
[pid   481] <... clone3 resumed> => {parent_tid=[500]}, 88) = 500
[pid   481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   481] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   481] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
executing program
[pid   499] write(1, "executing program\n", 18) = 18
[pid   499] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   499] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   499] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   499] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   499] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[501]}, 88) = 501
[pid   499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   499] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   499] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 501 attached
 <unfinished ...>
[pid   501] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   501] memfd_create("syzkaller", 0) = 3
[pid   501] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
ci2-android-5-10/strace-static-x86_64: Process 500 attached
[pid   301] <... rmdir resumed>)        = 0
[pid   500] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   500] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   301] getdents64(3 <unfinished ...>
[pid   500] <... unshare resumed>)      = 0
[pid   500] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   481] <... futex resumed>)        = 0
[pid   500] futex(0x7fb3534c9e58, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   301] <... getdents64 resumed>, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   301] close(3)                    = 0
[pid   301] rmdir("./4")                = 0
[pid   301] mkdir("./5", 0777)          = 0
[pid   301] openat(AT_FDCWD, "/dev/loop3", O_RDONLY) = 3
[pid   301] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   301] close(3)                    = 0
[pid   301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 502
[pid   301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 502 attached
[pid   502] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   502] chdir("./5")                = 0
[pid   502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   502] setpgid(0, 0)               = 0
[pid   502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   502] write(3, "1000", 4)         = 4
[pid   502] close(3)                    = 0
[pid   502] symlink("/dev/binderfs", "./binderfs") = 0
[pid   502] write(1, "executing program\n", 18) = 18
executing program
[pid   502] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   502] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   502] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   502] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   502] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[503]}, 88) = 503
[pid   502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   502] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   502] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 503 attached
 <unfinished ...>
[pid   503] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   503] memfd_create("syzkaller", 0) = 3
[pid   503] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   501] 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"..., 20699119 <unfinished ...>
[pid   302] <... umount2 resumed>)      = 0
[pid   302] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] newfstatat(AT_FDCWD, "./5/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   302] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] openat(AT_FDCWD, "./5/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   302] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   302] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   302] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   302] close(4)                    = 0
[pid   302] rmdir("./5/bus")            = 0
[pid   302] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   302] close(3)                    = 0
[pid   302] rmdir("./5")                = 0
[pid   302] mkdir("./6", 0777)          = 0
[pid   302] openat(AT_FDCWD, "/dev/loop4", O_RDONLY) = 3
[pid   302] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   302] close(3)                    = 0
[pid   302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 504
[pid   302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 504 attached
[pid   504] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   504] chdir("./6")                = 0
[pid   504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   504] setpgid(0, 0)               = 0
[pid   504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   504] write(3, "1000", 4)         = 4
[pid   504] close(3)                    = 0
[pid   504] symlink("/dev/binderfs", "./binderfs") = 0
[pid   504] write(1, "executing program\n", 18) = 18
executing program
[pid   504] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   504] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   504] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   504] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   504] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[505]}, 88) = 505
[pid   504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   504] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   504] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   483] <... read resumed>, 0x200000005d80, 4294966961) = 16753280
[pid   483] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   481] exit_group(0 <unfinished ...>
[pid   483] <... futex resumed>)        = 0
[pid   481] <... exit_group resumed>)   = ?
[pid   500] <... futex resumed>)        = ?
[pid   500] +++ exited with 0 +++
ci2-android-5-10/strace-static-x86_64: Process 505 attached
[pid   505] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   505] memfd_create("syzkaller", 0) = 3
[pid   505] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   503] 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"..., 20699119 <unfinished ...>
[pid   483] +++ exited with 0 +++
[pid   481] +++ exited with 0 +++
[pid   300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=481, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=30 /* 0.30 s */} ---
[pid   300] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   300] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   300] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   300] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   300] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   300] unlink("./5/binderfs")      = 0
[pid   300] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   298] <... umount2 resumed>)      = 0
[pid   298] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] newfstatat(AT_FDCWD, "./5/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./5/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   298] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   298] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   298] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   298] close(4)                    = 0
[pid   298] rmdir("./5/bus")            = 0
[pid   298] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   298] close(3)                    = 0
[pid   298] rmdir("./5")                = 0
[pid   298] mkdir("./6", 0777)          = 0
[pid   298] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 3
[pid   298] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   298] close(3)                    = 0
[pid   298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 506
[pid   298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 506 attached
[pid   506] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   506] chdir("./6")                = 0
[pid   506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   506] setpgid(0, 0)               = 0
[pid   506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   506] write(3, "1000", 4)         = 4
[pid   506] close(3)                    = 0
[pid   506] symlink("/dev/binderfs", "./binderfs") = 0
[pid   506] write(1, "executing program\n", 18) = 18
executing program
[pid   506] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   506] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   506] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   506] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   506] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[507]}, 88) = 507
[pid   506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   506] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   506] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   501] <... write resumed>)        = 20699119
[pid   501] munmap(0x7fb34afd1000, 138412032) = 0
ci2-android-5-10/strace-static-x86_64: Process 507 attached
[pid   507] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   507] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   507] memfd_create("syzkaller", 0 <unfinished ...>
[pid   501] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid   501] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   501] close(3)                    = 0
[pid   501] close(4)                    = 0
[pid   501] mkdir("./bus", 0777)        = 0
[pid   501] mount("/dev/loop1", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   507] <... memfd_create resumed>) = 3
[pid   507] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   505] 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"..., 20699119 <unfinished ...>
[pid   503] <... write resumed>)        = 20699119
[pid   503] munmap(0x7fb34afd1000, 138412032) = 0
[   32.545818][  T501] F2FS-fs (loop1): Invalid segment/section count (28696 != 24 * 1)
[   32.561255][  T501] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[   32.580170][  T501] F2FS-fs (loop1): invalid crc value
[pid   503] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid   503] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   505] <... write resumed>)        = 20699119
[pid   505] munmap(0x7fb34afd1000, 138412032) = 0
[pid   505] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid   503] <... ioctl resumed>)        = 0
[pid   505] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   503] close(3)                    = 0
[pid   503] close(4 <unfinished ...>
[pid   507] 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"..., 20699119 <unfinished ...>
[pid   505] <... ioctl resumed>)        = 0
[pid   505] close(3)                    = 0
[   32.606828][  T501] F2FS-fs (loop1): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[pid   505] close(4 <unfinished ...>
[pid   300] <... umount2 resumed>)      = 0
[pid   501] <... mount resumed>)        = 0
[pid   300] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   501] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   501] chdir("./bus")              = 0
[pid   501] openat(AT_FDCWD, "/dev/loop1", O_RDONLY <unfinished ...>
[pid   300] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   300] newfstatat(AT_FDCWD, "./5/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   300] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] openat(AT_FDCWD, "./5/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   300] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   300] getdents64(4 <unfinished ...>
[pid   505] <... close resumed>)        = 0
[pid   505] mkdir("./bus", 0777)        = 0
[pid   505] mount("/dev/loop4", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   503] <... close resumed>)        = 0
[   32.671506][  T501] F2FS-fs (loop1): Start checkpoint disabled!
[   32.681886][  T501] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[   32.699215][  T501] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e6
[   32.712087][  T505] F2FS-fs (loop4): Invalid segment/section count (28696 != 24 * 1)
[pid   503] mkdir("./bus", 0777)        = 0
[pid   503] mount("/dev/loop3", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   300] <... getdents64 resumed>, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   501] <... openat resumed>)       = 4
[pid   300] getdents64(4 <unfinished ...>
[pid   501] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   300] <... getdents64 resumed>, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   300] close(4)                    = 0
[pid   501] <... ioctl resumed>)        = 0
[pid   300] rmdir("./5/bus" <unfinished ...>
[pid   501] close(4 <unfinished ...>
[pid   300] <... rmdir resumed>)        = 0
[pid   501] <... close resumed>)        = 0
[pid   300] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   501] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   499] <... futex resumed>)        = 0
[pid   300] close(3 <unfinished ...>
[pid   501] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   499] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] <... close resumed>)        = 0
[pid   499] <... futex resumed>)        = 0
[pid   300] rmdir("./5" <unfinished ...>
[pid   499] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   501] <... openat resumed>)       = 4
[pid   300] <... rmdir resumed>)        = 0
[pid   501] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] mkdir("./6", 0777)          = 0
[pid   501] <... futex resumed>)        = 1
[pid   300] openat(AT_FDCWD, "/dev/loop2", O_RDONLY <unfinished ...>
[pid   501] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   499] <... futex resumed>)        = 0
[pid   499] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   499] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   507] <... write resumed>)        = 20699119
[pid   507] munmap(0x7fb34afd1000, 138412032) = 0
[pid   507] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   507] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   501] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   501] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0) = 0
[pid   501] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   499] <... futex resumed>)        = 0
[pid   501] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   499] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   501] <... futex resumed>)        = 0
[pid   499] <... futex resumed>)        = 1
[pid   501] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   300] <... openat resumed>)       = 3
[pid   501] <... openat resumed>)       = 5
[pid   499] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   300] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   501] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   501] <... futex resumed>)        = 0
[pid   300] close(3 <unfinished ...>
[pid   501] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   300] <... close resumed>)        = 0
[pid   507] <... ioctl resumed>)        = 0
[pid   499] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   300] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 516
[pid   300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   507] close(3)                    = 0
[pid   507] close(4 <unfinished ...>
[pid   499] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   501] <... futex resumed>)        = 0
[pid   499] <... futex resumed>)        = 1
[pid   501] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   499] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   501] <... pwrite64 resumed>)     = 1
[pid   501] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   499] <... futex resumed>)        = 0
[pid   501] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   499] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   501] <... openat resumed>)       = 6
[pid   499] <... futex resumed>)        = 0
[pid   501] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   499] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   501] <... futex resumed>)        = 0
[pid   499] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   501] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   499] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-10/strace-static-x86_64: Process 516 attached
) = 0
[pid   516] set_robust_list(0x55556a4ec6a0, 24 <unfinished ...>
[pid   499] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   516] <... set_robust_list resumed>) = 0
[pid   516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   516] chdir("./6")                = 0
[pid   516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   516] setpgid(0, 0)               = 0
[pid   516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   516] write(3, "1000", 4)         = 4
[pid   516] close(3)                    = 0
[pid   516] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid   516] write(1, "executing program\n", 18) = 18
[pid   516] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   516] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   516] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   516] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   516] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[517]}, 88) = 517
[pid   516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   516] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   516] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 517 attached
 <unfinished ...>
[pid   517] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   517] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   517] memfd_create("syzkaller", 0) = 3
[pid   517] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[   32.720579][  T505] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock
[   32.731151][  T505] F2FS-fs (loop4): invalid crc value
[   32.746818][  T505] F2FS-fs (loop4): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[pid   507] <... close resumed>)        = 0
[pid   507] mkdir("./bus", 0777)        = 0
[pid   507] mount("/dev/loop0", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   499] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   499] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   499] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   499] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[518]}, 88) = 518
[pid   499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   499] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   499] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 518 attached
 <unfinished ...>
[pid   518] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   518] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   505] <... mount resumed>)        = 0
[pid   505] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   505] chdir("./bus")              = 0
[pid   505] openat(AT_FDCWD, "/dev/loop4", O_RDONLY) = 4
[pid   505] ioctl(4, LOOP_CLR_FD)       = 0
[pid   518] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   505] close(4 <unfinished ...>
[pid   518] read(6 <unfinished ...>
[pid   505] <... close resumed>)        = 0
[pid   505] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   504] <... futex resumed>)        = 0
[pid   504] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   505] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   504] <... futex resumed>)        = 0
[pid   504] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   505] <... openat resumed>)       = 4
[pid   505] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   504] <... futex resumed>)        = 0
[pid   504] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   505] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[pid   504] <... futex resumed>)        = 0
[pid   505] <... ioctl resumed>)        = 0
[pid   505] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   504] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   505] <... futex resumed>)        = 0
[pid   504] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   504] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   505] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   504] <... futex resumed>)        = 0
[pid   504] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   505] <... openat resumed>)       = 5
[pid   505] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   504] <... futex resumed>)        = 0
[pid   504] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   505] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   504] <... futex resumed>)        = 0
[pid   504] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   505] <... pwrite64 resumed>)     = 1
[pid   505] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   504] <... futex resumed>)        = 0
[pid   505] <... futex resumed>)        = 1
[pid   504] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   505] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   504] <... futex resumed>)        = 0
[pid   504] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   505] <... openat resumed>)       = 6
[pid   505] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   504] <... futex resumed>)        = 0
[pid   504] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   505] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   504] <... futex resumed>)        = 0
[   32.781407][  T505] F2FS-fs (loop4): Start checkpoint disabled!
[   32.797079][  T503] F2FS-fs (loop3): Invalid segment/section count (28696 != 24 * 1)
[   32.798331][  T505] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0
[   32.806937][  T507] F2FS-fs (loop0): Invalid segment/section count (28696 != 24 * 1)
[   32.820258][  T505] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e6
[pid   504] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   499] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   499] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   499] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   499] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb35338f000
[pid   499] mprotect(0x7fb353390000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   499] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533af990, parent_tid=0x7fb3533af990, exit_signal=0, stack=0x7fb35338f000, stack_size=0x20300, tls=0x7fb3533af6c0} => {parent_tid=[519]}, 88) = 519
[pid   499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   499] futex(0x7fb3534c9e68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   499] futex(0x7fb3534c9e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   501] <... mmap resumed>)         = 0x200000000000
[   32.851376][  T503] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock
[pid   505] <... mmap resumed>)         = 0x200000000000
[pid   501] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   501] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-10/strace-static-x86_64: Process 519 attached
 <unfinished ...>
[pid   519] set_robust_list(0x7fb3533af9a0, 24) = 0
[pid   505] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   504] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   519] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   505] <... futex resumed>)        = 0
[pid   504] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   505] read(6 <unfinished ...>
[pid   519] <... unshare resumed>)      = 0
[pid   504] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   519] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   499] <... futex resumed>)        = 0
[pid   519] <... futex resumed>)        = 1
[pid   519] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[   32.892870][  T507] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[   32.903299][  T503] F2FS-fs (loop3): invalid crc value
[   32.911723][  T507] F2FS-fs (loop0): invalid crc value
[   32.928515][  T503] F2FS-fs (loop3): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[pid   517] 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"..., 20699119 <unfinished ...>
[pid   504] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   504] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   504] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   504] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[524]}, 88) = 524
[pid   504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   504] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   504] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 524 attached
 <unfinished ...>
[pid   524] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   524] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID) = 0
[pid   524] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   504] <... futex resumed>)        = 0
[pid   524] <... futex resumed>)        = 1
[   32.950942][  T507] F2FS-fs (loop0): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   32.990969][  T507] F2FS-fs (loop0): Start checkpoint disabled!
[pid   524] futex(0x7fb3534c9e58, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   507] <... mount resumed>)        = 0
[pid   507] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   507] chdir("./bus")              = 0
[pid   507] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 4
[pid   507] ioctl(4, LOOP_CLR_FD)       = 0
[pid   507] close(4)                    = 0
[pid   507] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   506] <... futex resumed>)        = 0
[pid   507] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   506] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   507] <... openat resumed>)       = 4
[pid   506] <... futex resumed>)        = 0
[pid   506] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   507] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   506] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   507] <... futex resumed>)        = 0
[pid   507] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[pid   506] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   507] <... ioctl resumed>)        = 0
[pid   507] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   506] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   507] <... futex resumed>)        = 0
[pid   506] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   507] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   506] <... futex resumed>)        = 0
[pid   507] <... openat resumed>)       = 5
[pid   506] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   507] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   506] <... futex resumed>)        = 0
[pid   507] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   506] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   507] <... pwrite64 resumed>)     = 1
[pid   506] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   507] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   506] <... futex resumed>)        = 0
[pid   507] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   506] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   507] <... openat resumed>)       = 6
[pid   506] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   507] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   506] <... futex resumed>)        = 0
[pid   507] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   506] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   506] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   499] exit_group(0 <unfinished ...>
[pid   519] <... futex resumed>)        = ?
[pid   501] <... futex resumed>)        = ?
[pid   499] <... exit_group resumed>)   = ?
[pid   519] +++ exited with 0 +++
[pid   501] +++ exited with 0 +++
[pid   518] <... read resumed> <unfinished ...>) = ?
[   32.997882][  T507] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[   33.004955][  T507] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6
[   33.014453][  T503] F2FS-fs (loop3): Start checkpoint disabled!
[   33.041271][  T503] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0
[pid   518] +++ exited with 0 +++
[pid   499] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=499, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} ---
[pid   299] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   506] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   506] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   299] <... restart_syscall resumed>) = 0
[pid   506] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   299] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   506] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   299] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   506] <... futex resumed>)        = 0
[pid   506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   299] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   506] <... mmap resumed>)         = 0x7fb3533b0000
[pid   299] <... openat resumed>)       = 3
[pid   506] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   299] fstat(3 <unfinished ...>
[pid   506] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   299] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   506] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   299] getdents64(3 <unfinished ...>
[pid   506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} <unfinished ...>
[pid   299] <... getdents64 resumed>, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   299] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   506] <... clone3 resumed> => {parent_tid=[525]}, 88) = 525
[pid   506] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   299] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   506] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   299] newfstatat(AT_FDCWD, "./6/binderfs" <unfinished ...>
[pid   506] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   299] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   506] <... futex resumed>)        = 0
[pid   299] unlink("./6/binderfs" <unfinished ...>
[pid   506] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   299] <... unlink resumed>)       = 0
[pid   299] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   299] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] newfstatat(AT_FDCWD, "./6/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   299] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] openat(AT_FDCWD, "./6/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   299] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   299] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   299] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   299] close(4)                    = 0
[pid   299] rmdir("./6/bus"ci2-android-5-10/strace-static-x86_64: Process 525 attached
 <unfinished ...>
[pid   525] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   525] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   525] read(6 <unfinished ...>
[pid   507] <... mmap resumed>)         = 0x200000000000
[pid   507] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   507] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   503] <... mount resumed>)        = 0
[pid   503] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   503] chdir("./bus")              = 0
[pid   503] openat(AT_FDCWD, "/dev/loop3", O_RDONLY) = 4
[pid   503] ioctl(4, LOOP_CLR_FD)       = 0
[pid   503] close(4)                    = 0
[pid   503] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   502] <... futex resumed>)        = 0
[pid   502] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   502] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   503] <... futex resumed>)        = 1
[pid   503] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 4
[pid   503] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   502] <... futex resumed>)        = 0
[pid   502] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   502] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   503] <... futex resumed>)        = 1
[pid   503] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0) = 0
[pid   503] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   502] <... futex resumed>)        = 0
[pid   502] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   502] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   503] <... futex resumed>)        = 1
[pid   503] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 5
[pid   503] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   502] <... futex resumed>)        = 0
[pid   502] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   502] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   503] <... futex resumed>)        = 1
[pid   503] pwrite64(5, "\f", 1, 134220897) = 1
[pid   503] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   502] <... futex resumed>)        = 0
[pid   502] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   502] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   503] <... futex resumed>)        = 1
[pid   503] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025) = 6
[pid   503] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   502] <... futex resumed>)        = 0
[pid   502] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   502] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   503] <... futex resumed>)        = 1
[pid   503] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   504] exit_group(0 <unfinished ...>
[pid   524] <... futex resumed>)        = ?
[pid   504] <... exit_group resumed>)   = ?
[pid   524] +++ exited with 0 +++
[pid   517] <... write resumed>)        = 20699119
[   33.062116][  T503] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e6
[pid   505] <... read resumed> <unfinished ...>) = ?
[pid   517] munmap(0x7fb34afd1000, 138412032) = 0
[pid   517] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid   517] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   506] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   506] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   507] <... futex resumed>)        = 0
[pid   506] <... futex resumed>)        = 1
[pid   507] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   506] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   507] <... unshare resumed>)      = 0
[pid   507] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   506] <... futex resumed>)        = 0
[pid   507] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   517] <... ioctl resumed>)        = 0
[pid   517] close(3)                    = 0
[pid   517] close(4)                    = 0
[pid   517] mkdir("./bus", 0777)        = 0
[pid   517] mount("/dev/loop2", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   502] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   502] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   502] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   502] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   502] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   502] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   502] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   502] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[527]}, 88) = 527
[pid   502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   502] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   502] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 527 attached
 <unfinished ...>
[pid   527] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   527] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   527] read(6 <unfinished ...>
[pid   502] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   502] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   502] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   502] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   502] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   502] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   502] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb35338f000
[pid   502] mprotect(0x7fb353390000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   502] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533af990, parent_tid=0x7fb3533af990, exit_signal=0, stack=0x7fb35338f000, stack_size=0x20300, tls=0x7fb3533af6c0} => {parent_tid=[528]}, 88) = 528
[pid   502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   502] futex(0x7fb3534c9e68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   502] futex(0x7fb3534c9e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 528 attached
 <unfinished ...>
[pid   528] set_robust_list(0x7fb3533af9a0, 24) = 0
[pid   528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   528] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID) = 0
[pid   528] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   502] <... futex resumed>)        = 0
[pid   528] <... futex resumed>)        = 1
[pid   528] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   505] +++ exited with 0 +++
[pid   504] +++ exited with 0 +++
[pid   302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=504, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=33 /* 0.33 s */} ---
[   33.145160][  T517] F2FS-fs (loop2): Invalid segment/section count (28696 != 24 * 1)
[   33.175684][  T517] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[pid   302] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   302] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   302] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   302] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   302] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   302] unlink("./6/binderfs")      = 0
[pid   302] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   302] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] newfstatat(AT_FDCWD, "./6/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   302] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   302] openat(AT_FDCWD, "./6/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   302] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   302] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   302] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   302] close(4)                    = 0
[pid   302] rmdir("./6/bus" <unfinished ...>
[pid   525] <... read resumed>, 0x200000005d80, 4294966961) = 16753280
[pid   525] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   33.222626][  T517] F2FS-fs (loop2): invalid crc value
[pid   506] exit_group(0 <unfinished ...>
[pid   507] <... futex resumed>)        = ?
[pid   506] <... exit_group resumed>)   = ?
[pid   525] +++ exited with 0 +++
[pid   503] <... mmap resumed>)         = 0x200000000000
[pid   503] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   33.261353][  T506] BUG: scheduling while atomic: syz-executor203/506/0x00000002
[   33.268919][  T506] Modules linked in:
[   33.272846][  T506] Preemption disabled at:
[   33.272863][  T506] [<ffffffff81952eb4>] unmap_page_range+0xa54/0x2190
[   33.283947][  T506] CPU: 1 PID: 506 Comm: syz-executor203 Tainted: G        W         syzkaller #0
[   33.293038][  T506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[   33.303080][  T506] Call Trace:
[   33.306365][  T506]  __dump_stack+0x21/0x24
[pid   503] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   299] <... rmdir resumed>)        = 0
[pid   299] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   299] close(3)                    = 0
[pid   299] rmdir("./6")                = 0
[pid   299] mkdir("./7", 0777)          = 0
[pid   299] openat(AT_FDCWD, "/dev/loop1", O_RDONLY) = 3
[pid   299] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   299] close(3)                    = 0
[pid   299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 530
[pid   299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   502] exit_group(0 <unfinished ...>
[pid   528] <... futex resumed>)        = ?
[pid   503] <... futex resumed>)        = ?
[pid   502] <... exit_group resumed>)   = ?
[pid   503] +++ exited with 0 +++
[pid   527] <... read resumed> <unfinished ...>) = ?
[   33.310690][  T506]  dump_stack_lvl+0x1a7/0x208
[   33.315358][  T506]  ? unmap_page_range+0xa54/0x2190
[   33.320461][  T506]  ? show_regs_print_info+0x18/0x18
[   33.325647][  T506]  ? _raw_spin_lock_irqsave+0xc2/0x130
[   33.331096][  T506]  ? unmap_page_range+0xa54/0x2190
[   33.336200][  T506]  dump_stack+0x15/0x1c
[   33.340348][  T506]  __schedule_bug+0x183/0x240
[   33.345026][  T506]  ? __migrate_task+0x190/0x190
[   33.349867][  T506]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[   33.355666][  T506]  ? __stack_depot_save+0x480/0x4c0
[   33.360853][  T506]  __schedule+0xcee/0x13e0
[   33.365258][  T506]  ? __kasan_slab_alloc+0xb7/0xe0
[   33.370272][  T506]  ? kmem_cache_alloc+0x15a/0x2d0
[   33.375289][  T506]  ? f2fs_register_inmem_page+0x130/0x470
[   33.381001][  T506]  ? f2fs_set_data_page_dirty+0x557/0x6e0
[   33.386710][  T506]  ? __sched_text_start+0x8/0x8
[   33.391548][  T506]  ? __mutex_add_waiter+0x184/0x280
[   33.396737][  T506]  ? __kasan_check_write+0x14/0x20
[   33.401836][  T506]  ? atomic_dec_and_mutex_lock+0x1a0/0x1a0
[   33.407626][  T506]  schedule+0x13c/0x1d0
[   33.411767][  T506]  schedule_preempt_disabled+0x13/0x20
[   33.417209][  T506]  __mutex_lock+0x5d4/0xc40
[   33.421700][  T506]  ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[   33.428452][  T506]  __mutex_lock_slowpath+0xe/0x10
[   33.433466][  T506]  mutex_lock+0xdb/0xf0
[   33.437613][  T506]  ? mutex_trylock+0xb0/0xb0
[   33.442195][  T506]  ? f2fs_register_inmem_page+0x130/0x470
[   33.447908][  T506]  ? kmem_cache_alloc+0x15a/0x2d0
[   33.452925][  T506]  ? f2fs_register_inmem_page+0x130/0x470
[   33.458633][  T506]  f2fs_register_inmem_page+0x211/0x470
[   33.464168][  T506]  f2fs_set_data_page_dirty+0x557/0x6e0
[   33.469703][  T506]  ? f2fs_write_data_pages+0x28f0/0x28f0
[   33.475324][  T506]  set_page_dirty+0x1a2/0x300
[   33.479993][  T506]  unmap_page_range+0x104c/0x2190
[   33.485012][  T506]  ? lru_cache_disable+0xa0/0xa0
[   33.485244][  T517] F2FS-fs (loop2): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   33.489937][  T506]  ? copy_page_range+0x27a0/0x27a0
[   33.506305][  T506]  unmap_vmas+0x25f/0x360
[   33.510626][  T506]  ? unmap_page_range+0x2190/0x2190
[   33.515816][  T506]  ? __kasan_check_write+0x14/0x20
[   33.518110][  T517] F2FS-fs (loop2): Start checkpoint disabled!
[   33.520920][  T506]  ? tlb_gather_mmu+0x269/0x330
[   33.527922][  T517] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[   33.531778][  T506]  exit_mmap+0x309/0x590
[   33.531786][  T506]  ? vm_brk+0x30/0x30
[   33.531803][  T506]  ? mutex_lock+0x92/0xf0
[   33.539413][  T517] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e6
[   33.543005][  T506]  ? mutex_unlock+0x1c/0x40
[   33.543014][  T506]  __mmput+0x92/0x2d0
[   33.543022][  T506]  mmput+0x4e/0x150
[   33.543038][  T506]  do_exit+0x9d8/0x24e0
[   33.575011][  T506]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[   33.580797][  T506]  ? put_task_struct+0x90/0x90
[   33.585550][  T506]  ? zap_other_threads+0x29b/0x310
[   33.590632][  T506]  do_group_exit+0x149/0x310
[   33.595200][  T506]  __x64_sys_exit_group+0x3f/0x40
[   33.600229][  T506]  do_syscall_64+0x31/0x40
[   33.604640][  T506]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   33.610508][  T506] RIP: 0033:0x7fb35341af45
[   33.614893][  T506] Code: Unable to access opcode bytes at RIP 0x7fb35341af1b.
[   33.622240][  T506] RSP: 002b:00007ffcd0be0c08 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
[   33.630648][  T506] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb35341af45
[   33.638595][  T506] RDX: 00000000000000e7 RSI: ffffffffffffffd0 RDI: 0000000000000000
[   33.646538][  T506] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   33.654482][  T506] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[pid   527] +++ exited with 0 +++
ci2-android-5-10/strace-static-x86_64: Process 530 attached
[pid   530] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   530] chdir("./7")                = 0
[pid   530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   530] setpgid(0, 0)               = 0
[pid   530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   530] write(3, "1000", 4)         = 4
[pid   530] close(3)                    = 0
[pid   530] symlink("/dev/binderfs", "./binderfs") = 0
[pid   530] write(1, "executing program\n", 18) = 18
[pid   530] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   530] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   530] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   530] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[532]}, 88) = 532
[pid   530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   530] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   530] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 532 attached
 <unfinished ...>
[pid   532] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   532] memfd_create("syzkaller", 0) = 3
[pid   532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   532] 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"..., 20699119) = 20699119
[pid   532] munmap(0x7fb34afd1000, 138412032) = 0
[pid   532] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid   517] <... mount resumed>)        = 0
[pid   517] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   517] chdir("./bus")              = 0
[pid   517] openat(AT_FDCWD, "/dev/loop2", O_RDONLY <unfinished ...>
executing program
[pid   507] +++ exited with 0 +++
[pid   528] +++ exited with 0 +++
[pid   502] +++ exited with 0 +++
[pid   301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=502, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=18 /* 0.18 s */} ---
[pid   301] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   301] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   301] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   301] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   301] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   301] unlink("./5/binderfs")      = 0
[   33.662513][  T506] R13: 00007fb3534c8148 R14: 00007fb3534ca808 R15: 00007fb3534ca820
[   33.671207][  T506] check_preemption_disabled: 4950 callbacks suppressed
[   33.678445][  T506] BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor203/506
[   33.687770][  T506] caller is __this_cpu_preempt_check+0x13/0x20
[   33.693925][  T506] CPU: 1 PID: 506 Comm: syz-executor203 Tainted: G        W         syzkaller #0
[   33.703005][  T506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[   33.713034][  T506] Call Trace:
[   33.716297][  T506]  __dump_stack+0x21/0x24
[   33.720595][  T506]  dump_stack_lvl+0x1a7/0x208
[   33.725241][  T506]  ? thaw_kernel_threads+0x220/0x220
[   33.730501][  T506]  ? show_regs_print_info+0x18/0x18
[   33.735671][  T506]  ? __mutex_lock_slowpath+0xe/0x10
[   33.740847][  T506]  ? mutex_lock+0xdb/0xf0
[   33.745145][  T506]  ? mutex_trylock+0xb0/0xb0
[   33.749720][  T506]  dump_stack+0x15/0x1c
[   33.753847][  T506]  check_preemption_disabled+0xf7/0x100
[   33.759366][  T506]  __this_cpu_preempt_check+0x13/0x20
[   33.764708][  T506]  __mod_node_page_state+0x61/0xd0
[   33.769800][  T506]  __mod_lruvec_state+0x48/0x70
[   33.774631][  T506]  page_remove_rmap+0x654/0xe90
[   33.779460][  T506]  unmap_page_range+0x11f1/0x2190
[   33.784471][  T506]  ? lru_cache_disable+0xa0/0xa0
[   33.789388][  T506]  ? copy_page_range+0x27a0/0x27a0
[   33.794473][  T506]  unmap_vmas+0x25f/0x360
[   33.798781][  T506]  ? unmap_page_range+0x2190/0x2190
[   33.804218][  T506]  ? __kasan_check_write+0x14/0x20
[   33.809320][  T506]  ? tlb_gather_mmu+0x269/0x330
[   33.814147][  T506]  exit_mmap+0x309/0x590
[   33.818360][  T506]  ? vm_brk+0x30/0x30
[   33.822317][  T506]  ? mutex_lock+0x92/0xf0
[   33.826617][  T506]  ? mutex_unlock+0x1c/0x40
[   33.831092][  T506]  __mmput+0x92/0x2d0
[   33.835063][  T506]  mmput+0x4e/0x150
[   33.838843][  T506]  do_exit+0x9d8/0x24e0
[   33.842970][  T506]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[   33.848747][  T506]  ? put_task_struct+0x90/0x90
[   33.853483][  T506]  ? zap_other_threads+0x29b/0x310
[   33.858564][  T506]  do_group_exit+0x149/0x310
[   33.863129][  T506]  __x64_sys_exit_group+0x3f/0x40
[   33.868123][  T506]  do_syscall_64+0x31/0x40
[   33.872511][  T506]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   33.878373][  T506] RIP: 0033:0x7fb35341af45
[   33.882774][  T506] Code: Unable to access opcode bytes at RIP 0x7fb35341af1b.
[   33.890124][  T506] RSP: 002b:00007ffcd0be0c08 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
[   33.898527][  T506] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb35341af45
[   33.906472][  T506] RDX: 00000000000000e7 RSI: ffffffffffffffd0 RDI: 0000000000000000
[   33.914419][  T506] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   33.922369][  T506] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[   33.930336][  T506] R13: 00007fb3534c8148 R14: 00007fb3534ca808 R15: 00007fb3534ca820
[   33.938347][  T506] BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor203/506
[   33.947654][  T506] caller is __this_cpu_preempt_check+0x13/0x20
[   33.953855][  T506] CPU: 1 PID: 506 Comm: syz-executor203 Tainted: G        W         syzkaller #0
[   33.962970][  T506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[   33.973006][  T506] Call Trace:
[   33.976278][  T506]  __dump_stack+0x21/0x24
[   33.980578][  T506]  dump_stack_lvl+0x1a7/0x208
[   33.985236][  T506]  ? thaw_kernel_threads+0x220/0x220
[   33.990494][  T506]  ? show_regs_print_info+0x18/0x18
[   33.995672][  T506]  ? __mutex_lock_slowpath+0xe/0x10
[   34.000844][  T506]  ? mutex_lock+0xdb/0xf0
[   34.005147][  T506]  ? mutex_trylock+0xb0/0xb0
[   34.009717][  T506]  dump_stack+0x15/0x1c
[   34.013864][  T506]  check_preemption_disabled+0xf7/0x100
[   34.019418][  T506]  __this_cpu_preempt_check+0x13/0x20
[   34.024765][  T506]  __mod_node_page_state+0x7a/0xd0
[   34.029859][  T506]  __mod_lruvec_state+0x48/0x70
[   34.034701][  T506]  page_remove_rmap+0x654/0xe90
[   34.039534][  T506]  unmap_page_range+0x11f1/0x2190
[   34.044532][  T506]  ? lru_cache_disable+0xa0/0xa0
[   34.049446][  T506]  ? copy_page_range+0x27a0/0x27a0
[   34.054529][  T506]  unmap_vmas+0x25f/0x360
[   34.058850][  T506]  ? unmap_page_range+0x2190/0x2190
[   34.064042][  T506]  ? __kasan_check_write+0x14/0x20
[   34.069121][  T506]  ? tlb_gather_mmu+0x269/0x330
[   34.073943][  T506]  exit_mmap+0x309/0x590
[   34.078158][  T506]  ? vm_brk+0x30/0x30
[   34.082115][  T506]  ? mutex_lock+0x92/0xf0
[   34.086415][  T506]  ? mutex_unlock+0x1c/0x40
[   34.090887][  T506]  __mmput+0x92/0x2d0
[   34.094842][  T506]  mmput+0x4e/0x150
[   34.098641][  T506]  do_exit+0x9d8/0x24e0
[   34.102768][  T506]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[   34.108544][  T506]  ? put_task_struct+0x90/0x90
[   34.113278][  T506]  ? zap_other_threads+0x29b/0x310
[   34.118360][  T506]  do_group_exit+0x149/0x310
[   34.122922][  T506]  __x64_sys_exit_group+0x3f/0x40
[   34.127918][  T506]  do_syscall_64+0x31/0x40
[   34.132305][  T506]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   34.138182][  T506] RIP: 0033:0x7fb35341af45
[   34.142563][  T506] Code: Unable to access opcode bytes at RIP 0x7fb35341af1b.
[   34.149898][  T506] RSP: 002b:00007ffcd0be0c08 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
[   34.158286][  T506] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb35341af45
[   34.166239][  T506] RDX: 00000000000000e7 RSI: ffffffffffffffd0 RDI: 0000000000000000
[   34.174188][  T506] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   34.182133][  T506] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[   34.190083][  T506] R13: 00007fb3534c8148 R14: 00007fb3534ca808 R15: 00007fb3534ca820
[   34.198948][  T506] BUG: using __this_cpu_write() in preemptible [00000000] code: syz-executor203/506
[   34.208328][  T506] caller is __this_cpu_preempt_check+0x13/0x20
[   34.214492][  T506] CPU: 1 PID: 506 Comm: syz-executor203 Tainted: G        W         syzkaller #0
[   34.223580][  T506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[   34.233610][  T506] Call Trace:
[   34.236877][  T506]  __dump_stack+0x21/0x24
[   34.241177][  T506]  dump_stack_lvl+0x1a7/0x208
[   34.245826][  T506]  ? thaw_kernel_threads+0x220/0x220
[   34.251086][  T506]  ? show_regs_print_info+0x18/0x18
[   34.256257][  T506]  ? __mutex_lock_slowpath+0xe/0x10
[   34.261426][  T506]  ? mutex_lock+0xdb/0xf0
[   34.265726][  T506]  ? mutex_trylock+0xb0/0xb0
[   34.270290][  T506]  dump_stack+0x15/0x1c
[   34.274420][  T506]  check_preemption_disabled+0xf7/0x100
[   34.279937][  T506]  __this_cpu_preempt_check+0x13/0x20
[   34.285284][  T506]  __mod_node_page_state+0x9e/0xd0
[   34.290372][  T506]  __mod_lruvec_state+0x48/0x70
[   34.295196][  T506]  page_remove_rmap+0x654/0xe90
[   34.300018][  T506]  unmap_page_range+0x11f1/0x2190
[   34.305019][  T506]  ? lru_cache_disable+0xa0/0xa0
[   34.309927][  T506]  ? copy_page_range+0x27a0/0x27a0
[   34.315009][  T506]  unmap_vmas+0x25f/0x360
[   34.319311][  T506]  ? unmap_page_range+0x2190/0x2190
[   34.324483][  T506]  ? __kasan_check_write+0x14/0x20
[   34.329565][  T506]  ? tlb_gather_mmu+0x269/0x330
[   34.334389][  T506]  exit_mmap+0x309/0x590
[   34.338604][  T506]  ? vm_brk+0x30/0x30
[   34.342557][  T506]  ? mutex_lock+0x92/0xf0
[   34.346861][  T506]  ? mutex_unlock+0x1c/0x40
[   34.351336][  T506]  __mmput+0x92/0x2d0
[   34.355292][  T506]  mmput+0x4e/0x150
[   34.359076][  T506]  do_exit+0x9d8/0x24e0
[   34.363206][  T506]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[   34.368982][  T506]  ? put_task_struct+0x90/0x90
[   34.373725][  T506]  ? zap_other_threads+0x29b/0x310
[   34.378807][  T506]  do_group_exit+0x149/0x310
[   34.383370][  T506]  __x64_sys_exit_group+0x3f/0x40
[   34.388368][  T506]  do_syscall_64+0x31/0x40
[   34.392756][  T506]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   34.398619][  T506] RIP: 0033:0x7fb35341af45
[   34.403009][  T506] Code: Unable to access opcode bytes at RIP 0x7fb35341af1b.
[   34.410347][  T506] RSP: 002b:00007ffcd0be0c08 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
[   34.418730][  T506] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb35341af45
[   34.426674][  T506] RDX: 00000000000000e7 RSI: ffffffffffffffd0 RDI: 0000000000000000
[   34.434620][  T506] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   34.442582][  T506] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[   34.450529][  T506] R13: 00007fb3534c8148 R14: 00007fb3534ca808 R15: 00007fb3534ca820
[   34.458544][  T506] BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor203/506
[   34.467989][  T506] caller is __this_cpu_preempt_check+0x13/0x20
[   34.474182][  T506] CPU: 1 PID: 506 Comm: syz-executor203 Tainted: G        W         syzkaller #0
[   34.483278][  T506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[   34.493303][  T506] Call Trace:
[   34.496566][  T506]  __dump_stack+0x21/0x24
[   34.500863][  T506]  dump_stack_lvl+0x1a7/0x208
[   34.505515][  T506]  ? show_regs_print_info+0x18/0x18
[   34.510697][  T506]  ? dump_stack_lvl+0x1cc/0x208
[   34.515520][  T506]  dump_stack+0x15/0x1c
[   34.519646][  T506]  check_preemption_disabled+0xf7/0x100
[   34.525180][  T506]  __this_cpu_preempt_check+0x13/0x20
[   34.530524][  T506]  __mod_memcg_state+0x51/0x210
[   34.535344][  T506]  ? dump_stack+0x15/0x1c
[   34.539643][  T506]  __mod_memcg_lruvec_state+0x50/0x2c0
[   34.545070][  T506]  ? __this_cpu_preempt_check+0x13/0x20
[   34.550597][  T506]  ? __mod_node_page_state+0x9e/0xd0
[   34.555853][  T506]  __mod_lruvec_state+0x5a/0x70
[   34.560671][  T506]  page_remove_rmap+0x654/0xe90
[   34.565491][  T506]  unmap_page_range+0x11f1/0x2190
[   34.570488][  T506]  ? lru_cache_disable+0xa0/0xa0
[   34.575396][  T506]  ? copy_page_range+0x27a0/0x27a0
[   34.580476][  T506]  unmap_vmas+0x25f/0x360
[   34.584776][  T506]  ? unmap_page_range+0x2190/0x2190
[   34.589956][  T506]  ? __kasan_check_write+0x14/0x20
[   34.595037][  T506]  ? tlb_gather_mmu+0x269/0x330
[   34.599869][  T506]  exit_mmap+0x309/0x590
[   34.604094][  T506]  ? vm_brk+0x30/0x30
[   34.608057][  T506]  ? mutex_lock+0x92/0xf0
[   34.612356][  T506]  ? mutex_unlock+0x1c/0x40
[   34.616846][  T506]  __mmput+0x92/0x2d0
[   34.620795][  T506]  mmput+0x4e/0x150
[   34.624577][  T506]  do_exit+0x9d8/0x24e0
[   34.628715][  T506]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[   34.634503][  T506]  ? put_task_struct+0x90/0x90
[   34.639250][  T506]  ? zap_other_threads+0x29b/0x310
[   34.644336][  T506]  do_group_exit+0x149/0x310
[   34.648902][  T506]  __x64_sys_exit_group+0x3f/0x40
[   34.653911][  T506]  do_syscall_64+0x31/0x40
[   34.658329][  T506]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   34.664308][  T506] RIP: 0033:0x7fb35341af45
[   34.668703][  T506] Code: Unable to access opcode bytes at RIP 0x7fb35341af1b.
[   34.676182][  T506] RSP: 002b:00007ffcd0be0c08 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
[   34.684584][  T506] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb35341af45
[   34.692534][  T506] RDX: 00000000000000e7 RSI: ffffffffffffffd0 RDI: 0000000000000000
[   34.700477][  T506] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   34.708442][  T506] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[   34.716388][  T506] R13: 00007fb3534c8148 R14: 00007fb3534ca808 R15: 00007fb3534ca820
[   34.724374][  T506] BUG: using __this_cpu_write() in preemptible [00000000] code: syz-executor203/506
[   34.733819][  T506] caller is __this_cpu_preempt_check+0x13/0x20
[   34.739951][  T506] CPU: 1 PID: 506 Comm: syz-executor203 Tainted: G        W         syzkaller #0
[   34.749025][  T506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[   34.759102][  T506] Call Trace:
[   34.762375][  T506]  __dump_stack+0x21/0x24
[   34.766674][  T506]  dump_stack_lvl+0x1a7/0x208
[   34.771326][  T506]  ? show_regs_print_info+0x18/0x18
[   34.776491][  T506]  ? dump_stack_lvl+0x1cc/0x208
[   34.781331][  T506]  dump_stack+0x15/0x1c
[   34.785461][  T506]  check_preemption_disabled+0xf7/0x100
[   34.790990][  T506]  __this_cpu_preempt_check+0x13/0x20
[   34.796340][  T506]  __mod_memcg_state+0xc0/0x210
[   34.801178][  T506]  __mod_memcg_lruvec_state+0x50/0x2c0
[   34.806619][  T506]  ? __this_cpu_preempt_check+0x13/0x20
[   34.812162][  T506]  ? __mod_node_page_state+0x9e/0xd0
[   34.817423][  T506]  __mod_lruvec_state+0x5a/0x70
[   34.822250][  T506]  page_remove_rmap+0x654/0xe90
[   34.827094][  T506]  unmap_page_range+0x11f1/0x2190
[   34.832105][  T506]  ? lru_cache_disable+0xa0/0xa0
[   34.837026][  T506]  ? copy_page_range+0x27a0/0x27a0
[   34.842117][  T506]  unmap_vmas+0x25f/0x360
[   34.846425][  T506]  ? unmap_page_range+0x2190/0x2190
[   34.851599][  T506]  ? __kasan_check_write+0x14/0x20
[   34.856682][  T506]  ? tlb_gather_mmu+0x269/0x330
[   34.861506][  T506]  exit_mmap+0x309/0x590
[   34.865741][  T506]  ? vm_brk+0x30/0x30
[   34.869708][  T506]  ? mutex_lock+0x92/0xf0
[   34.874028][  T506]  ? mutex_unlock+0x1c/0x40
[   34.878518][  T506]  __mmput+0x92/0x2d0
[   34.882479][  T506]  mmput+0x4e/0x150
[   34.886266][  T506]  do_exit+0x9d8/0x24e0
[   34.890395][  T506]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[   34.896175][  T506]  ? put_task_struct+0x90/0x90
[   34.900917][  T506]  ? zap_other_threads+0x29b/0x310
[   34.906004][  T506]  do_group_exit+0x149/0x310
[   34.910565][  T506]  __x64_sys_exit_group+0x3f/0x40
[   34.915587][  T506]  do_syscall_64+0x31/0x40
[   34.919977][  T506]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   34.925844][  T506] RIP: 0033:0x7fb35341af45
[   34.930230][  T506] Code: Unable to access opcode bytes at RIP 0x7fb35341af1b.
[   34.937744][  T506] RSP: 002b:00007ffcd0be0c08 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
[   34.946144][  T506] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb35341af45
[   34.954107][  T506] RDX: 00000000000000e7 RSI: ffffffffffffffd0 RDI: 0000000000000000
[   34.962057][  T506] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   34.970009][  T506] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[   34.977961][  T506] R13: 00007fb3534c8148 R14: 00007fb3534ca808 R15: 00007fb3534ca820
[   34.985963][  T506] BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor203/506
[   34.995172][  T506] caller is __this_cpu_preempt_check+0x13/0x20
[   35.001335][  T506] CPU: 1 PID: 506 Comm: syz-executor203 Tainted: G        W         syzkaller #0
[   35.010418][  T506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[   35.020450][  T506] Call Trace:
[   35.023727][  T506]  __dump_stack+0x21/0x24
[   35.028030][  T506]  dump_stack_lvl+0x1a7/0x208
[   35.032681][  T506]  ? thaw_kernel_threads+0x220/0x220
[   35.037940][  T506]  ? show_regs_print_info+0x18/0x18
[   35.043111][  T506]  ? check_preemption_disabled+0xf7/0x100
[   35.048805][  T506]  dump_stack+0x15/0x1c
[   35.052937][  T506]  check_preemption_disabled+0xf7/0x100
[   35.058453][  T506]  __this_cpu_preempt_check+0x13/0x20
[   35.063800][  T506]  __mod_memcg_lruvec_state+0x5c/0x2c0
[   35.069231][  T506]  ? __this_cpu_preempt_check+0x13/0x20
[   35.074748][  T506]  ? __mod_node_page_state+0x9e/0xd0
[   35.080005][  T506]  __mod_lruvec_state+0x5a/0x70
[   35.084829][  T506]  page_remove_rmap+0x654/0xe90
[   35.089656][  T506]  unmap_page_range+0x11f1/0x2190
[   35.094656][  T506]  ? lru_cache_disable+0xa0/0xa0
[   35.099566][  T506]  ? copy_page_range+0x27a0/0x27a0
[   35.104650][  T506]  unmap_vmas+0x25f/0x360
[   35.108953][  T506]  ? unmap_page_range+0x2190/0x2190
[   35.114123][  T506]  ? __kasan_check_write+0x14/0x20
[   35.119205][  T506]  ? tlb_gather_mmu+0x269/0x330
[   35.124029][  T506]  exit_mmap+0x309/0x590
[   35.128247][  T506]  ? vm_brk+0x30/0x30
[   35.132203][  T506]  ? mutex_lock+0x92/0xf0
[   35.136514][  T506]  ? mutex_unlock+0x1c/0x40
[   35.140989][  T506]  __mmput+0x92/0x2d0
[   35.144946][  T506]  mmput+0x4e/0x150
[   35.148732][  T506]  do_exit+0x9d8/0x24e0
[   35.152864][  T506]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[   35.158644][  T506]  ? put_task_struct+0x90/0x90
[   35.163385][  T506]  ? zap_other_threads+0x29b/0x310
[   35.168471][  T506]  do_group_exit+0x149/0x310
[   35.173033][  T506]  __x64_sys_exit_group+0x3f/0x40
[   35.178032][  T506]  do_syscall_64+0x31/0x40
[   35.182420][  T506]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   35.188309][  T506] RIP: 0033:0x7fb35341af45
[   35.192697][  T506] Code: Unable to access opcode bytes at RIP 0x7fb35341af1b.
[   35.200044][  T506] RSP: 002b:00007ffcd0be0c08 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
[   35.208431][  T506] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb35341af45
[   35.216384][  T506] RDX: 00000000000000e7 RSI: ffffffffffffffd0 RDI: 0000000000000000
[   35.224329][  T506] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   35.232274][  T506] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[   35.240221][  T506] R13: 00007fb3534c8148 R14: 00007fb3534ca808 R15: 00007fb3534ca820
[   35.248213][  T506] BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor203/506
[   35.257507][  T506] caller is __this_cpu_preempt_check+0x13/0x20
[   35.263663][  T506] CPU: 1 PID: 506 Comm: syz-executor203 Tainted: G        W         syzkaller #0
[   35.272745][  T506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[   35.282777][  T506] Call Trace:
[   35.286042][  T506]  __dump_stack+0x21/0x24
[   35.290343][  T506]  dump_stack_lvl+0x1a7/0x208
[   35.294994][  T506]  ? thaw_kernel_threads+0x220/0x220
[   35.300247][  T506]  ? show_regs_print_info+0x18/0x18
[   35.305420][  T506]  ? check_preemption_disabled+0xf7/0x100
[   35.311118][  T506]  dump_stack+0x15/0x1c
[   35.315264][  T506]  check_preemption_disabled+0xf7/0x100
[   35.320784][  T506]  __this_cpu_preempt_check+0x13/0x20
[   35.326126][  T506]  __mod_memcg_lruvec_state+0xb3/0x2c0
[   35.331566][  T506]  ? __this_cpu_preempt_check+0x13/0x20
[   35.337088][  T506]  ? __mod_node_page_state+0x9e/0xd0
[   35.342345][  T506]  __mod_lruvec_state+0x5a/0x70
[   35.347170][  T506]  page_remove_rmap+0x654/0xe90
[   35.352004][  T506]  unmap_page_range+0x11f1/0x2190
[   35.357011][  T506]  ? lru_cache_disable+0xa0/0xa0
[   35.361922][  T506]  ? copy_page_range+0x27a0/0x27a0
[   35.367006][  T506]  unmap_vmas+0x25f/0x360
[   35.371313][  T506]  ? unmap_page_range+0x2190/0x2190
[   35.376485][  T506]  ? __kasan_check_write+0x14/0x20
[   35.381588][  T506]  ? tlb_gather_mmu+0x269/0x330
[   35.386414][  T506]  exit_mmap+0x309/0x590
[   35.390628][  T506]  ? vm_brk+0x30/0x30
[   35.394583][  T506]  ? mutex_lock+0x92/0xf0
[   35.398881][  T506]  ? mutex_unlock+0x1c/0x40
[   35.403356][  T506]  __mmput+0x92/0x2d0
[   35.407309][  T506]  mmput+0x4e/0x150
[   35.411110][  T506]  do_exit+0x9d8/0x24e0
[   35.415255][  T506]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[   35.421033][  T506]  ? put_task_struct+0x90/0x90
[   35.425770][  T506]  ? zap_other_threads+0x29b/0x310
[   35.430851][  T506]  do_group_exit+0x149/0x310
[   35.435416][  T506]  __x64_sys_exit_group+0x3f/0x40
[   35.440415][  T506]  do_syscall_64+0x31/0x40
[   35.444813][  T506]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   35.450688][  T506] RIP: 0033:0x7fb35341af45
[   35.455081][  T506] Code: Unable to access opcode bytes at RIP 0x7fb35341af1b.
[   35.462429][  T506] RSP: 002b:00007ffcd0be0c08 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
[   35.470812][  T506] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb35341af45
[   35.478767][  T506] RDX: 00000000000000e7 RSI: ffffffffffffffd0 RDI: 0000000000000000
[   35.486732][  T506] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   35.494683][  T506] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[   35.502630][  T506] R13: 00007fb3534c8148 R14: 00007fb3534ca808 R15: 00007fb3534ca820
[   35.510618][  T506] BUG: using __this_cpu_write() in preemptible [00000000] code: syz-executor203/506
[   35.519985][  T506] caller is __this_cpu_preempt_check+0x13/0x20
[   35.526222][  T506] CPU: 1 PID: 506 Comm: syz-executor203 Tainted: G        W         syzkaller #0
[   35.535316][  T506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[   35.545354][  T506] Call Trace:
[   35.548625][  T506]  __dump_stack+0x21/0x24
[   35.552930][  T506]  dump_stack_lvl+0x1a7/0x208
[   35.557577][  T506]  ? thaw_kernel_threads+0x220/0x220
[   35.562835][  T506]  ? show_regs_print_info+0x18/0x18
[   35.568010][  T506]  ? check_preemption_disabled+0xf7/0x100
[   35.573703][  T506]  dump_stack+0x15/0x1c
[   35.577832][  T506]  check_preemption_disabled+0xf7/0x100
[   35.583377][  T506]  __this_cpu_preempt_check+0x13/0x20
[   35.588722][  T506]  __mod_memcg_lruvec_state+0x105/0x2c0
[   35.594242][  T506]  ? __this_cpu_preempt_check+0x13/0x20
[   35.599762][  T506]  ? __mod_node_page_state+0x9e/0xd0
[   35.605021][  T506]  __mod_lruvec_state+0x5a/0x70
[   35.609859][  T506]  page_remove_rmap+0x654/0xe90
[   35.614693][  T506]  unmap_page_range+0x11f1/0x2190
[   35.619687][  T506]  ? lru_cache_disable+0xa0/0xa0
[   35.624600][  T506]  ? copy_page_range+0x27a0/0x27a0
[   35.629698][  T506]  unmap_vmas+0x25f/0x360
[   35.634007][  T506]  ? unmap_page_range+0x2190/0x2190
[   35.639175][  T506]  ? __kasan_check_write+0x14/0x20
[   35.644261][  T506]  ? tlb_gather_mmu+0x269/0x330
[   35.649100][  T506]  exit_mmap+0x309/0x590
[   35.653317][  T506]  ? vm_brk+0x30/0x30
[   35.657271][  T506]  ? mutex_lock+0x92/0xf0
[   35.661575][  T506]  ? mutex_unlock+0x1c/0x40
[   35.666049][  T506]  __mmput+0x92/0x2d0
[   35.670000][  T506]  mmput+0x4e/0x150
[   35.673781][  T506]  do_exit+0x9d8/0x24e0
[   35.677910][  T506]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[   35.683707][  T506]  ? put_task_struct+0x90/0x90
[   35.688443][  T506]  ? zap_other_threads+0x29b/0x310
[   35.693527][  T506]  do_group_exit+0x149/0x310
[   35.698087][  T506]  __x64_sys_exit_group+0x3f/0x40
[   35.703109][  T506]  do_syscall_64+0x31/0x40
[   35.707499][  T506]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   35.713361][  T506] RIP: 0033:0x7fb35341af45
[   35.717763][  T506] Code: Unable to access opcode bytes at RIP 0x7fb35341af1b.
[   35.725102][  T506] RSP: 002b:00007ffcd0be0c08 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
[   35.733494][  T506] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb35341af45
[   35.741468][  T506] RDX: 00000000000000e7 RSI: ffffffffffffffd0 RDI: 0000000000000000
[   35.749414][  T506] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   35.757359][  T506] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[pid   301] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   506] +++ exited with 0 +++
[pid   298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=506, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=55 /* 0.55 s */} ---
[pid   298] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   298] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   298] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   298] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   298] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] unlink("./6/binderfs")      = 0
[pid   298] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   532] <... openat resumed>)       = 4
[pid   517] <... openat resumed>)       = 4
[pid   517] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   532] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   517] <... ioctl resumed>)        = 0
[pid   517] close(4 <unfinished ...>
[pid   532] <... ioctl resumed>)        = 0
[pid   517] <... close resumed>)        = 0
[pid   517] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] close(3 <unfinished ...>
[pid   517] <... futex resumed>)        = 1
[pid   532] <... close resumed>)        = 0
[pid   516] <... futex resumed>)        = 0
[pid   517] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   532] close(4 <unfinished ...>
[pid   516] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   517] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   532] <... close resumed>)        = 0
[pid   517] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   516] <... futex resumed>)        = 0
[pid   516] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   517] <... openat resumed>)       = 4
[pid   532] mkdir("./bus", 0777 <unfinished ...>
[pid   517] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] <... mkdir resumed>)        = 0
[pid   517] <... futex resumed>)        = 1
[pid   516] <... futex resumed>)        = 0
[pid   532] mount("/dev/loop1", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   517] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[   35.765311][  T506] R13: 00007fb3534c8148 R14: 00007fb3534ca808 R15: 00007fb3534ca820
[   35.774581][    T7] handle_bad_sector: 17 callbacks suppressed
[   35.774590][    T7] attempt to access beyond end of device
[   35.774590][    T7] loop3: rw=2049, want=40984, limit=40427
[pid   516] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   517] <... ioctl resumed>)        = 0
[pid   516] <... futex resumed>)        = 0
[pid   517] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   516] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   516] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   516] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   517] <... futex resumed>)        = 1
[pid   516] <... futex resumed>)        = 0
[pid   517] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   516] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=45000000} <unfinished ...>
[pid   517] <... openat resumed>)       = 5
[pid   517] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   516] <... futex resumed>)        = 0
[pid   517] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   516] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   517] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   516] <... futex resumed>)        = 0
[pid   517] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   516] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   517] <... pwrite64 resumed>)     = 1
[pid   517] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   516] <... futex resumed>)        = 0
[pid   517] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   516] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   517] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   516] <... futex resumed>)        = 0
[pid   517] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   516] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   517] <... openat resumed>)       = 6
[pid   517] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   516] <... futex resumed>)        = 0
[pid   517] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   516] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   517] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   516] <... futex resumed>)        = 0
[pid   517] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[   35.814124][  T532] F2FS-fs (loop1): Invalid segment/section count (28696 != 24 * 1)
[   35.815618][    T7] attempt to access beyond end of device
[   35.815618][    T7] loop0: rw=1, want=81920, limit=40427
[   35.830595][  T532] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[   35.841848][  T532] F2FS-fs (loop1): invalid crc value
[pid   516] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   302] <... rmdir resumed>)        = 0
[pid   302] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   302] close(3)                    = 0
[pid   302] rmdir("./6")                = 0
[pid   302] mkdir("./7", 0777)          = 0
[pid   302] openat(AT_FDCWD, "/dev/loop4", O_RDONLY <unfinished ...>
[pid   516] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   35.862287][  T532] F2FS-fs (loop1): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   35.876721][    T7] attempt to access beyond end of device
[   35.876721][    T7] loop0: rw=1, want=53248, limit=40427
[   35.896315][  T532] F2FS-fs (loop1): Start checkpoint disabled!
[   35.903019][  T532] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[pid   516] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   302] <... openat resumed>)       = 3
[pid   516] <... futex resumed>)        = 0
[pid   302] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   302] close(3)                    = 0
[pid   302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 536
[pid   302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   532] <... mount resumed>)        = 0
[pid   516] <... mmap resumed>)         = 0x7fb3533b0000
[pid   532] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   516] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   532] <... openat resumed>)       = 3
[pid   516] <... mprotect resumed>)     = 0
[pid   532] chdir("./bus" <unfinished ...>
[pid   516] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   532] <... chdir resumed>)        = 0
[pid   516] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   532] openat(AT_FDCWD, "/dev/loop1", O_RDONLY <unfinished ...>
[pid   516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} <unfinished ...>
[pid   532] <... openat resumed>)       = 4
[pid   532] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   516] <... clone3 resumed> => {parent_tid=[537]}, 88) = 537
[pid   532] <... ioctl resumed>)        = 0
[pid   516] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   532] close(4 <unfinished ...>
[pid   516] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   532] <... close resumed>)        = 0
[pid   516] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   516] <... futex resumed>)        = 0
[pid   532] <... futex resumed>)        = 1
[pid   530] <... futex resumed>)        = 0
[pid   516] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   532] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   530] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   530] <... futex resumed>)        = 0
[pid   532] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   530] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   532] <... openat resumed>)       = 4
[pid   532] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   530] <... futex resumed>)        = 0
[pid   532] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   530] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   530] <... futex resumed>)        = 0
[pid   532] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[pid   530] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   532] <... ioctl resumed>)        = 0
[pid   532] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   530] <... futex resumed>)        = 0
[pid   532] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   530] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   530] <... futex resumed>)        = 0
[pid   532] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   530] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   532] <... openat resumed>)       = 5
[pid   532] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   530] <... futex resumed>)        = 0
[pid   532] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   530] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   530] <... futex resumed>)        = 0
[pid   532] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   530] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   532] <... pwrite64 resumed>)     = 1
[pid   532] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   530] <... futex resumed>)        = 0
[pid   532] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   530] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   530] <... futex resumed>)        = 0
[pid   532] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   530] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   532] <... openat resumed>)       = 6
[pid   532] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   530] <... futex resumed>)        = 0
[pid   532] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   530] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   530] <... futex resumed>)        = 0
[pid   532] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   530] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 536 attached
 <unfinished ...>
[pid   536] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   536] chdir("./7")                = 0
[pid   536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   536] setpgid(0, 0)               = 0
[pid   536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   536] write(3, "1000", 4)         = 4
[pid   536] close(3)                    = 0
[pid   536] symlink("/dev/binderfs", "./binderfs") = 0
ci2-android-5-10/strace-static-x86_64: Process 537 attached
[pid   537] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   537] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   536] write(1, "executing program\n", 18 <unfinished ...>
[pid   537] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   537] read(6 <unfinished ...>
[pid   536] <... write resumed>)        = 18
[   35.910080][  T532] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e6
[pid   536] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   536] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   536] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   536] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[538]}, 88) = 538
[pid   536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   536] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   536] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 538 attached
 <unfinished ...>
[pid   538] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   538] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   538] memfd_create("syzkaller", 0) = 3
[pid   538] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   516] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   516] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   516] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   516] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   516] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   530] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   530] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533b0000
[pid   530] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   530] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} => {parent_tid=[539]}, 88) = 539
[pid   530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   530] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   530] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   516] <... mmap resumed>)         = 0x7fb35338f000
[pid   516] mprotect(0x7fb353390000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   516] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533af990, parent_tid=0x7fb3533af990, exit_signal=0, stack=0x7fb35338f000, stack_size=0x20300, tls=0x7fb3533af6c0} => {parent_tid=[540]}, 88) = 540
[pid   516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   516] futex(0x7fb3534c9e68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   516] futex(0x7fb3534c9e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   517] <... mmap resumed>)         = 0x200000000000
ci2-android-5-10/strace-static-x86_64: Process 539 attached
[pid   539] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   539] read(6 <unfinished ...>
[pid   517] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
ci2-android-5-10/strace-static-x86_64: Process 540 attached
[pid   540] set_robust_list(0x7fb3533af9a0, 24) = 0
[pid   540] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   540] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID) = 0
[pid   540] futex(0x7fb3534c9e6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   516] <... futex resumed>)        = 0
[pid   540] <... futex resumed>)        = 1
[pid   540] futex(0x7fb3534c9e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   532] <... mmap resumed>)         = 0x200000000000
[pid   517] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   532] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   35.960506][    T7] attempt to access beyond end of device
[   35.960506][    T7] loop0: rw=1, want=72064, limit=40427
[pid   532] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   530] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   530] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   530] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   530] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] <... futex resumed>)        = 0
[pid   530] <... futex resumed>)        = 1
[pid   532] unshare(CLONE_FS|CLONE_FILES|CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWPID <unfinished ...>
[pid   530] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   532] <... unshare resumed>)      = 0
[pid   532] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   530] <... futex resumed>)        = 0
[pid   532] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   301] <... umount2 resumed>)      = 0
[   36.011819][    T7] attempt to access beyond end of device
[   36.011819][    T7] loop0: rw=2049, want=40984, limit=40427
[pid   301] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] newfstatat(AT_FDCWD, "./5/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   301] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] openat(AT_FDCWD, "./5/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   301] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   301] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   301] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   301] close(4)                    = 0
[pid   301] rmdir("./5/bus")            = 0
[pid   301] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   301] close(3)                    = 0
[pid   301] rmdir("./5")                = 0
[pid   301] mkdir("./6", 0777)          = 0
[pid   301] openat(AT_FDCWD, "/dev/loop3", O_RDONLY) = 3
[pid   301] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   301] close(3)                    = 0
[pid   301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 541
[pid   301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 541 attached
[pid   541] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   541] chdir("./6")                = 0
[pid   541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   541] setpgid(0, 0)               = 0
[pid   541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   541] write(3, "1000", 4)         = 4
[pid   541] close(3)                    = 0
[pid   541] symlink("/dev/binderfs", "./binderfs") = 0
[pid   541] write(1, "executing program\n", 18) = 18
executing program
[pid   541] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   541] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   541] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   541] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   541] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[542]}, 88) = 542
[pid   541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   541] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   541] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 542 attached
 <unfinished ...>
[pid   542] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   542] memfd_create("syzkaller", 0) = 3
[pid   542] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[pid   539] <... read resumed>, 0x200000005d80, 4294966961) = 16753280
[pid   539] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   530] exit_group(0 <unfinished ...>
[pid   532] <... futex resumed>)        = ?
[pid   530] <... exit_group resumed>)   = ?
[pid   516] exit_group(0 <unfinished ...>
[pid   540] <... futex resumed>)        = ?
[pid   517] <... futex resumed>)        = ?
[pid   516] <... exit_group resumed>)   = ?
[pid   532] +++ exited with 0 +++
[pid   517] +++ exited with 0 +++
[pid   540] +++ exited with 0 +++
[pid   538] 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"..., 20699119 <unfinished ...>
[pid   537] <... read resumed> <unfinished ...>) = ?
[pid   537] +++ exited with 0 +++
[pid   516] +++ exited with 0 +++
[pid   300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=516, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} ---
[pid   300] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   300] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   300] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   300] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   300] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] newfstatat(AT_FDCWD, "./6/binderfs" <unfinished ...>
[pid   539] +++ exited with 0 +++
[pid   530] +++ exited with 0 +++
[pid   300] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   300] unlink("./6/binderfs" <unfinished ...>
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=530, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=30 /* 0.30 s */} ---
[pid   300] <... unlink resumed>)       = 0
[pid   299] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   300] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   299] <... restart_syscall resumed>) = 0
[pid   299] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   299] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   299] getdents64(3, 0x55556a4ed750 /* 4 entries */, 32768) = 104
[pid   299] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   299] unlink("./7/binderfs")      = 0
[   36.188673][    T7] attempt to access beyond end of device
[   36.188673][    T7] loop2: rw=2049, want=40984, limit=40427
[   36.206781][   T49] attempt to access beyond end of device
[   36.206781][   T49] loop1: rw=1, want=81920, limit=40427
[pid   299] umount2("./7/bus", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   538] <... write resumed>)        = 20699119
[pid   538] munmap(0x7fb34afd1000, 138412032) = 0
[pid   538] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid   538] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   542] 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"..., 20699119 <unfinished ...>
[pid   538] <... ioctl resumed>)        = 0
[pid   538] close(3)                    = 0
[pid   538] close(4)                    = 0
[pid   538] mkdir("./bus", 0777)        = 0
[   36.248793][   T49] attempt to access beyond end of device
[   36.248793][   T49] loop1: rw=1, want=53248, limit=40427
[   36.278964][   T49] attempt to access beyond end of device
[   36.278964][   T49] loop1: rw=1, want=61440, limit=40427
[pid   538] mount("/dev/loop4", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   298] <... umount2 resumed>)      = 0
[pid   298] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] newfstatat(AT_FDCWD, "./6/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./6/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   298] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   298] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   298] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   298] close(4)                    = 0
[pid   298] rmdir("./6/bus")            = 0
[pid   298] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   298] close(3)                    = 0
[pid   298] rmdir("./6")                = 0
[pid   298] mkdir("./7", 0777)          = 0
[pid   298] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 3
[pid   298] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   298] close(3)                    = 0
[pid   298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 544
[pid   298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 544 attached
[pid   544] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   544] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   544] chdir("./7")                = 0
[pid   544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   544] setpgid(0, 0)               = 0
[pid   544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   544] write(3, "1000", 4)         = 4
[pid   544] close(3)                    = 0
[pid   544] symlink("/dev/binderfs", "./binderfs") = 0
[pid   544] write(1, "executing program\n", 18) = 18
executing program
[pid   544] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   544] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   544] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   544] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   544] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   544] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[545]}, 88) = 545
[pid   544] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   544] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   544] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 545 attached
 <unfinished ...>
[pid   545] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   545] memfd_create("syzkaller", 0) = 3
[pid   545] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[   36.293520][  T538] F2FS-fs (loop4): Invalid segment/section count (28696 != 24 * 1)
[   36.312830][  T538] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock
[   36.337148][  T538] F2FS-fs (loop4): invalid crc value
[pid   542] <... write resumed>)        = 20699119
[pid   542] munmap(0x7fb34afd1000, 138412032) = 0
[pid   542] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid   542] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   542] close(3)                    = 0
[pid   542] close(4)                    = 0
[pid   542] mkdir("./bus", 0777)        = 0
[   36.348405][   T49] attempt to access beyond end of device
[   36.348405][   T49] loop1: rw=1, want=70520, limit=40427
[   36.375630][  T538] F2FS-fs (loop4): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[pid   542] mount("/dev/loop3", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   545] 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"..., 20699119 <unfinished ...>
[pid   300] <... umount2 resumed>)      = 0
[pid   300] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] newfstatat(AT_FDCWD, "./6/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   300] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   300] openat(AT_FDCWD, "./6/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   300] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   300] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   300] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   300] close(4)                    = 0
[pid   300] rmdir("./6/bus")            = 0
[pid   300] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   300] close(3)                    = 0
[   36.413737][  T542] F2FS-fs (loop3): Invalid segment/section count (28696 != 24 * 1)
[   36.422129][  T542] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock
[   36.451516][  T542] F2FS-fs (loop3): invalid crc value
[pid   300] rmdir("./6")                = 0
[pid   300] mkdir("./7", 0777)          = 0
[pid   300] openat(AT_FDCWD, "/dev/loop2", O_RDONLY) = 3
[pid   300] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   300] close(3)                    = 0
[pid   300] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 551
[pid   300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 551 attached
[pid   551] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   551] chdir("./7")                = 0
[pid   551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   551] setpgid(0, 0)               = 0
[pid   551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   551] write(3, "1000", 4)         = 4
[pid   551] close(3)                    = 0
[pid   551] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid   551] write(1, "executing program\n", 18) = 18
[pid   551] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   551] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   551] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   551] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[552]}, 88) = 552
[pid   551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   551] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   551] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 552 attached
 <unfinished ...>
[pid   552] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   552] memfd_create("syzkaller", 0) = 3
[pid   552] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000
[   36.472900][  T538] F2FS-fs (loop4): Start checkpoint disabled!
[   36.479634][  T542] F2FS-fs (loop3): Disable nat_bits due to incorrect cp_ver (10241045589465957861, 10241044815247771109)
[   36.501776][  T538] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0
[   36.508813][  T538] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e6
[pid   552] 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"..., 20699119 <unfinished ...>
[pid   538] <... mount resumed>)        = 0
[pid   538] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   538] chdir("./bus")              = 0
[pid   538] openat(AT_FDCWD, "/dev/loop4", O_RDONLY) = 4
[pid   538] ioctl(4, LOOP_CLR_FD)       = 0
[pid   538] close(4)                    = 0
[pid   538] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   536] <... futex resumed>)        = 0
[pid   538] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   536] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   538] <... futex resumed>)        = 0
[pid   536] <... futex resumed>)        = 1
[pid   538] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   536] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   538] <... openat resumed>)       = 4
[pid   538] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   536] <... futex resumed>)        = 0
[pid   538] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   536] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   538] <... futex resumed>)        = 0
[pid   536] <... futex resumed>)        = 1
[pid   536] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   538] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0) = 0
[pid   538] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   536] <... futex resumed>)        = 0
[pid   538] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   536] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   538] <... futex resumed>)        = 0
[pid   536] <... futex resumed>)        = 1
[pid   536] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   538] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 5
[pid   538] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   536] <... futex resumed>)        = 0
[pid   538] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   536] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   538] <... futex resumed>)        = 0
[pid   536] <... futex resumed>)        = 1
[pid   538] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   536] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   538] <... pwrite64 resumed>)     = 1
[pid   538] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   536] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   538] <... futex resumed>)        = 0
[pid   538] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   536] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   538] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   538] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   536] <... futex resumed>)        = 0
[pid   538] <... openat resumed>)       = 6
[pid   536] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   538] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   536] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   538] futex(0x7fb3534c9e48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   536] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   538] <... futex resumed>)        = 0
[pid   536] <... futex resumed>)        = 1
[pid   538] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   536] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   552] <... write resumed>)        = 20699119
[pid   552] munmap(0x7fb34afd1000, 138412032) = 0
[pid   552] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[   36.568891][  T542] F2FS-fs (loop3): Start checkpoint disabled!
[   36.576043][  T542] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0
[pid   552] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   545] <... write resumed>)        = 20699119
[pid   545] munmap(0x7fb34afd1000, 138412032 <unfinished ...>
[pid   552] <... ioctl resumed>)        = 0
[pid   552] close(3)                    = 0
[pid   552] close(4 <unfinished ...>
[pid   545] <... munmap resumed>)       = 0
[pid   552] <... close resumed>)        = 0
[pid   545] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid   552] mkdir("./bus", 0777 <unfinished ...>
[pid   545] <... openat resumed>)       = 4
[pid   552] <... mkdir resumed>)        = 0
[pid   545] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   552] mount("/dev/loop2", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   542] <... mount resumed>)        = 0
[pid   542] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   542] chdir("./bus")              = 0
[pid   542] openat(AT_FDCWD, "/dev/loop3", O_RDONLY <unfinished ...>
[pid   545] <... ioctl resumed>)        = 0
[pid   536] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   545] close(3)                    = 0
[pid   542] <... openat resumed>)       = 4
[pid   536] futex(0x7fb3534c9e5c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   545] close(4)                    = 0
[pid   542] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   536] <... futex resumed>)        = 0
[pid   545] mkdir("./bus", 0777 <unfinished ...>
[pid   542] <... ioctl resumed>)        = 0
[pid   536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   545] <... mkdir resumed>)        = 0
[pid   542] close(4 <unfinished ...>
[pid   536] <... mmap resumed>)         = 0x7fb3533b0000
[pid   545] mount("/dev/loop0", "./bus", "f2fs", MS_NOSUID|MS_NOEXEC, "disable_roll_forward,lazytime,compress_cache,noinline_xattr,disable_ext_identify,noextent_cache,noex"... <unfinished ...>
[pid   542] <... close resumed>)        = 0
[pid   536] mprotect(0x7fb3533b1000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   542] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   536] <... mprotect resumed>)     = 0
[pid   542] <... futex resumed>)        = 1
[pid   541] <... futex resumed>)        = 0
[pid   536] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   542] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 <unfinished ...>
[pid   541] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   536] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   542] <... openat resumed>)       = 4
[pid   541] <... futex resumed>)        = 0
[pid   536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533d0990, parent_tid=0x7fb3533d0990, exit_signal=0, stack=0x7fb3533b0000, stack_size=0x20300, tls=0x7fb3533d06c0} <unfinished ...>
[pid   542] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   541] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   542] <... futex resumed>)        = 0
[pid   541] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   536] <... clone3 resumed> => {parent_tid=[555]}, 88) = 555
[pid   542] ioctl(4, F2FS_IOC_START_ATOMIC_WRITE, 0 <unfinished ...>
[pid   541] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   536] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   542] <... ioctl resumed>)        = 0
[pid   541] <... futex resumed>)        = 0
[pid   536] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   542] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   541] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   536] futex(0x7fb3534c9e58, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   542] <... futex resumed>)        = 0
[pid   541] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   536] <... futex resumed>)        = 0
[pid   542] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   541] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   536] futex(0x7fb3534c9e5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   542] <... openat resumed>)       = 5
[pid   541] <... futex resumed>)        = 0
[pid   542] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   541] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   542] <... futex resumed>)        = 0
[pid   541] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   542] pwrite64(5, "\f", 1, 134220897 <unfinished ...>
[pid   541] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   542] <... pwrite64 resumed>)     = 1
[pid   541] <... futex resumed>)        = 0
[pid   542] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   541] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   542] <... futex resumed>)        = 0
[pid   541] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   542] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC, 025 <unfinished ...>
[pid   541] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   542] <... openat resumed>)       = 6
[pid   541] <... futex resumed>)        = 0
[pid   542] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   541] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   542] <... futex resumed>)        = 0
[pid   541] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   542] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 <unfinished ...>
[pid   541] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-10/strace-static-x86_64: Process 555 attached
) = 0
[pid   299] <... umount2 resumed>)      = 0
[   36.612399][  T542] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e6
[   36.632635][  T552] F2FS-fs (loop2): Invalid segment/section count (28696 != 24 * 1)
[   36.645372][  T545] F2FS-fs (loop0): Invalid segment/section count (28696 != 24 * 1)
[pid   541] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   555] set_robust_list(0x7fb3533d09a0, 24) = 0
[pid   555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   555] read(6 <unfinished ...>
[pid   299] umount2("./7/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] newfstatat(AT_FDCWD, "./7/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   299] umount2("./7/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   299] openat(AT_FDCWD, "./7/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   299] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   299] getdents64(4, 0x55556a4f5790 /* 2 entries */, 32768) = 48
[pid   299] getdents64(4, 0x55556a4f5790 /* 0 entries */, 32768) = 0
[pid   299] close(4)                    = 0
[pid   299] rmdir("./7/bus")            = 0
[pid   299] getdents64(3, 0x55556a4ed750 /* 0 entries */, 32768) = 0
[pid   299] close(3)                    = 0
[pid   299] rmdir("./7")                = 0
[pid   299] mkdir("./8", 0777)          = 0
[pid   299] openat(AT_FDCWD, "/dev/loop1", O_RDONLY) = 3
[pid   299] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   299] close(3)                    = 0
[pid   299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a4ec690) = 557
[pid   299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-10/strace-static-x86_64: Process 557 attached
[pid   557] set_robust_list(0x55556a4ec6a0, 24) = 0
[pid   557] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   557] chdir("./8")                = 0
[pid   557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   557] setpgid(0, 0)               = 0
[pid   557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   557] write(3, "1000", 4)         = 4
[pid   557] close(3)                    = 0
[pid   557] symlink("/dev/binderfs", "./binderfs") = 0
[pid   557] write(1, "executing program\n", 18) = 18
[pid   557] futex(0x7fb3534c9e4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   557] rt_sigaction(SIGRT_1, {sa_handler=0x7fb35342fdd0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb353421da0}, NULL, 8) = 0
[pid   557] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3533d1000
[pid   557] mprotect(0x7fb3533d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   557] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   557] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3533f1990, parent_tid=0x7fb3533f1990, exit_signal=0, stack=0x7fb3533d1000, stack_size=0x20300, tls=0x7fb3533f16c0} => {parent_tid=[558]}, 88) = 558
[pid   557] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   557] futex(0x7fb3534c9e48, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   557] futex(0x7fb3534c9e4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 558 attached
 <unfinished ...>
[pid   558] set_robust_list(0x7fb3533f19a0, 24) = 0
[pid   558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   558] memfd_create("syzkaller", 0) = 3
[pid   558] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb34afd1000