./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor940912044 <...> Warning: Permanently added '10.128.1.177' (ECDSA) to the list of known hosts. execve("./syz-executor940912044", ["./syz-executor940912044"], 0x7ffd18f59e90 /* 10 vars */) = 0 brk(NULL) = 0x555556825000 brk(0x555556825c40) = 0x555556825c40 arch_prctl(ARCH_SET_FS, 0x555556825300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555568255d0) = 304 set_robust_list(0x5555568255e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7f55e8fbe240, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f55e8fbe910}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f55e8fbe2e0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f55e8fbe910}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor940912044", 4096) = 27 brk(0x555556846c40) = 0x555556846c40 brk(0x555556847000) = 0x555556847000 mprotect(0x7f55e907f000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568255d0) = 305 ./strace-static-x86_64: Process 305 attached [pid 305] set_robust_list(0x5555568255e0, 24) = 0 [pid 305] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] setsid() = 1 [pid 305] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 305] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 305] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 305] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 305] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 305] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 305] unshare(CLONE_NEWNS) = 0 [pid 305] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 305] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 305] unshare(CLONE_NEWCGROUP) = 0 [pid 305] unshare(CLONE_NEWUTS) = 0 [pid 305] unshare(CLONE_SYSVSEM) = 0 [pid 305] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 305] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 305] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 305] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 305] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 305] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 305] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 305] getpid() = 1 [pid 305] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 307] set_robust_list(0x7f55e8fad9e0, 24) = 0 [pid 307] memfd_create("syzkaller", 0) = 3 [pid 307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f55e0b8d000 [ 19.449548][ T22] audit: type=1400 audit(1678688686.780:73): avc: denied { execmem } for pid=304 comm="syz-executor940" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 19.458480][ T22] audit: type=1400 audit(1678688686.790:74): avc: denied { mounton } for pid=305 comm="syz-executor940" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 19.467461][ T22] audit: type=1400 audit(1678688686.790:75): avc: denied { mount } for pid=305 comm="syz-executor940" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [pid 307] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 307] munmap(0x7f55e0b8d000, 1048576) = 0 [pid 307] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 307] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 307] close(3) = 0 [pid 307] mkdir("./file0", 0777) = 0 [ 19.485572][ T22] audit: type=1400 audit(1678688686.800:76): avc: denied { mounton } for pid=305 comm="syz-executor940" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 19.507425][ T22] audit: type=1400 audit(1678688686.830:77): avc: denied { mounton } for pid=305 comm="syz-executor940" path="/dev/binderfs" dev="devtmpfs" ino=10767 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [pid 307] mount("/dev/loop0", "./file0", "ext4", MS_SYNCHRONOUS|MS_DIRSYNC|MS_NOATIME|MS_LAZYTIME, ",errors=continue") = 0 [pid 307] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 307] chdir("./file0") = 0 [pid 307] ioctl(4, LOOP_CLR_FD) = 0 [pid 307] close(4) = 0 [pid 307] futex(0x7f55e90856ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7f55e90856e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f55e90856ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] <... futex resumed>) = 1 [pid 307] openat(AT_FDCWD, "memory.current", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 307] futex(0x7f55e90856ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7f55e90856e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f55e90856ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] <... futex resumed>) = 1 [pid 307] pwritev(4, [{iov_base="\xef", iov_len=1}], 1, 0) = 1 [pid 307] futex(0x7f55e90856ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7f55e90856e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f55e90856ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] <... futex resumed>) = 1 [pid 307] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000 [pid 307] futex(0x7f55e90856ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7f55e90856e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f55e90856fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f55e0c6c000 [pid 305] mprotect(0x7f55e0c6d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 305] clone(child_stack=0x7f55e0c8c3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3], tls=0x7f55e0c8c700, child_tidptr=0x7f55e0c8c9d0) = 3 [pid 305] futex(0x7f55e90856f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f55e90856fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] <... futex resumed>) = 1 [ 19.530714][ T22] audit: type=1400 audit(1678688686.830:78): avc: denied { mount } for pid=305 comm="syz-executor940" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 19.543559][ T307] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 19.553423][ T22] audit: type=1400 audit(1678688686.840:79): avc: denied { read write } for pid=305 comm="syz-executor940" name="loop0" dev="devtmpfs" ino=9279 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 ./strace-static-x86_64: Process 311 attached [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 311] set_robust_list(0x7f55e0c8c9e0, 24 [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 305] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 305] futex(0x7f55e90856fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [ 19.584884][ T307] EXT4-fs error (device loop0): ext4_mb_generate_buddy:747: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 19.586914][ T22] audit: type=1400 audit(1678688686.840:80): avc: denied { open } for pid=305 comm="syz-executor940" path="/dev/loop0" dev="devtmpfs" ino=9279 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 311] <... set_robust_list resumed>) = 0 [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000040} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000180} --- [pid 307] sendfile(-1, -1, 0x20000040, 0) = -1 EBADF (Bad file descriptor) [pid 311] sendmsg(4, 0x20000180, MSG_DONTWAIT|MSG_EOR) = -1 ENOTSOCK (Socket operation on non-socket) [pid 307] futex(0x7f55e90856ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 307] futex(0x7f55e90856e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 311] futex(0x7f55e90856fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] futex(0x7f55e90856f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] close(3) = 0 [pid 305] close(4) = 0 [pid 305] close(5) = -1 EBADF (Bad file descriptor) [pid 305] close(6) = -1 EBADF (Bad file descriptor) [pid 305] close(7) = -1 EBADF (Bad file descriptor) [pid 305] close(8) = -1 EBADF (Bad file descriptor) [pid 305] close(9) = -1 EBADF (Bad file descriptor) [pid 305] close(10) = -1 EBADF (Bad file descriptor) [pid 305] close(11) = -1 EBADF (Bad file descriptor) [pid 305] close(12) = -1 EBADF (Bad file descriptor) [pid 305] close(13) = -1 EBADF (Bad file descriptor) [pid 305] close(14) = -1 EBADF (Bad file descriptor) [pid 305] close(15) = -1 EBADF (Bad file descriptor) [pid 305] close(16) = -1 EBADF (Bad file descriptor) [pid 305] close(17) = -1 EBADF (Bad file descriptor) [pid 305] close(18) = -1 EBADF (Bad file descriptor) [pid 305] close(19) = -1 EBADF (Bad file descriptor) [pid 305] close(20) = -1 EBADF (Bad file descriptor) [pid 305] close(21) = -1 EBADF (Bad file descriptor) [pid 305] close(22) = -1 EBADF (Bad file descriptor) [pid 305] close(23) = -1 EBADF (Bad file descriptor) [pid 305] close(24) = -1 EBADF (Bad file descriptor) [pid 305] close(25) = -1 EBADF (Bad file descriptor) [pid 305] close(26) = -1 EBADF (Bad file descriptor) [pid 305] close(27) = -1 EBADF (Bad file descriptor) [pid 305] close(28) = -1 EBADF (Bad file descriptor) [pid 305] close(29) = -1 EBADF (Bad file descriptor) [pid 305] exit_group(1 [pid 311] <... futex resumed>) = -1 (errno 18446744073709551385) [pid 305] <... exit_group resumed>) = ? [pid 307] <... futex resumed>) = ? [pid 311] +++ exited with 1 +++ [pid 307] +++ exited with 1 +++ [ 19.625560][ T22] audit: type=1400 audit(1678688686.840:81): avc: denied { ioctl } for pid=305 comm="syz-executor940" path="/dev/loop0" dev="devtmpfs" ino=9279 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 19.651581][ T22] audit: type=1400 audit(1678688686.850:82): avc: denied { mounton } for pid=305 comm="syz-executor940" path="/root/file0" dev="sda1" ino=1139 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 19.688304][ T7] ------------[ cut here ]------------ [ 19.693786][ T7] kernel BUG at fs/ext4/inode.c:2851! [ 19.699459][ T7] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 19.705516][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.4.225-syzkaller-00007-g250ac66f1853 #0 [ 19.715292][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 19.725340][ T7] Workqueue: writeback wb_workfn (flush-7:0) [ 19.731311][ T7] RIP: 0010:ext4_writepages+0x3a16/0x3a40 [ 19.737012][ T7] Code: 7a a2 ff 31 ff 89 de e8 f8 79 a2 ff 45 84 f6 75 2e e8 de 77 a2 ff 49 bd 00 00 00 00 00 fc ff df e9 6e f9 ff ff e8 ca 77 a2 ff <0f> 0b e8 c3 77 a2 ff 0f 0b e8 bc 77 a2 ff e8 77 87 3f ff eb 8f e8 [ 19.756601][ T7] RSP: 0018:ffff8881f5db7100 EFLAGS: 00010293 [ 19.762672][ T7] RAX: ffffffff81c0bf36 RBX: 0000010000000000 RCX: ffff8881f5d58fc0 [ 19.770630][ T7] RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000 [ 19.778604][ T7] RBP: ffff8881f5db74f0 R08: ffffffff81c08d1f R09: ffffed103ccefbdd [ 19.786561][ T7] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881e677df90 [ 19.794519][ T7] R13: dffffc0000000000 R14: 0000010410000000 R15: ffff8881f5db73c0 [ 19.802489][ T7] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 19.811414][ T7] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 19.818080][ T7] CR2: 00000000004571f0 CR3: 00000001edc63000 CR4: 00000000003406e0 [ 19.826155][ T7] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 19.834113][ T7] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 19.842067][ T7] Call Trace: [ 19.845349][ T7] ? ret_from_fork+0x1f/0x30 [ 19.849932][ T7] ? unwind_get_return_address_ptr+0xa0/0xa0 [ 19.855908][ T7] ? deref_stack_reg+0x15c/0x1f0 [ 19.860872][ T7] ? deref_stack_reg+0x15c/0x1f0 [ 19.865793][ T7] ? get_reg+0x220/0x220 [ 19.870019][ T7] ? get_reg+0x220/0x220 [ 19.874245][ T7] ? get_reg+0x220/0x220 [ 19.878489][ T7] ? unwind_next_frame+0x176a/0x1ea0 [ 19.883760][ T7] ? ext4_readpage+0x2e0/0x2e0 [ 19.888518][ T7] ? deref_stack_reg+0x15c/0x1f0 [ 19.893438][ T7] ? get_reg+0x220/0x220 [ 19.897665][ T7] ? unwind_get_return_address_ptr+0xa0/0xa0 [ 19.903627][ T7] ? preempt_count_add+0x8f/0x180 [ 19.908634][ T7] ? deref_stack_reg+0x15c/0x1f0 [ 19.913558][ T7] ? unwind_next_frame+0x176a/0x1ea0 [ 19.918828][ T7] ? deref_stack_reg+0x15c/0x1f0 [ 19.923752][ T7] ? ext4_readpage+0x2e0/0x2e0 [ 19.928499][ T7] do_writepages+0x12b/0x270 [ 19.933073][ T7] ? __writepage+0x110/0x110 [ 19.937909][ T7] ? _raw_spin_lock+0xa4/0x1b0 [ 19.942676][ T7] ? _raw_spin_trylock_bh+0x190/0x190 [ 19.948033][ T7] ? _raw_spin_lock+0xa4/0x1b0 [ 19.952811][ T7] __writeback_single_inode+0xd9/0xcc0 [ 19.958274][ T7] ? unwind_get_return_address_ptr+0xa0/0xa0 [ 19.964242][ T7] writeback_sb_inodes+0xa2c/0x1990 [ 19.969425][ T7] ? set_next_entity+0xae/0x4e0 [ 19.974267][ T7] ? queue_io+0x500/0x500 [ 19.978601][ T7] ? queue_io+0x358/0x500 [ 19.982914][ T7] wb_writeback+0x403/0xd70 [ 19.987405][ T7] ? wb_io_lists_depopulated+0x170/0x170 [ 19.993025][ T7] ? set_worker_desc+0x158/0x1c0 [ 19.997967][ T7] ? check_preemption_disabled+0x9f/0x320 [ 20.003696][ T7] ? kthread_data+0x4e/0xc0 [ 20.008205][ T7] wb_workfn+0x3a9/0x10c0 [ 20.012545][ T7] ? inode_wait_for_writeback+0x280/0x280 [ 20.018250][ T7] ? set_next_entity+0xae/0x4e0 [ 20.023089][ T7] ? _raw_spin_unlock_irq+0x4a/0x60 [ 20.028273][ T7] ? finish_task_switch+0x127/0x560 [ 20.033480][ T7] ? __schedule+0xb03/0x12a0 [ 20.038078][ T7] ? _raw_spin_lock_irqsave+0x210/0x210 [ 20.043638][ T7] ? read_word_at_a_time+0xe/0x20 [ 20.048645][ T7] ? strscpy+0x89/0x220 [ 20.052783][ T7] process_one_work+0x765/0xd20 [ 20.057625][ T7] worker_thread+0xaef/0x1470 [ 20.062291][ T7] kthread+0x2da/0x360 [ 20.066345][ T7] ? worker_clr_flags+0x170/0x170 [ 20.071354][ T7] ? kthread_destroy_worker+0x200/0x200 [ 20.076891][ T7] ret_from_fork+0x1f/0x30 [ 20.081293][ T7] Modules linked in: [ 20.085269][ T7] ---[ end trace fa7dce45792349dd ]--- [ 20.090744][ T7] RIP: 0010:ext4_writepages+0x3a16/0x3a40 [ 20.096444][ T7] Code: 7a a2 ff 31 ff 89 de e8 f8 79 a2 ff 45 84 f6 75 2e e8 de 77 a2 ff 49 bd 00 00 00 00 00 fc ff df e9 6e f9 ff ff e8 ca 77 a2 ff <0f> 0b e8 c3 77 a2 ff 0f 0b e8 bc 77 a2 ff e8 77 87 3f ff eb 8f e8 [ 20.116118][ T7] RSP: 0018:ffff8881f5db7100 EFLAGS: 00010293 [ 20.122235][ T7] RAX: ffffffff81c0bf36 RBX: 0000010000000000 RCX: ffff8881f5d58fc0 [ 20.130193][ T7] RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000 [ 20.138191][ T7] RBP: ffff8881f5db74f0 R08: ffffffff81c08d1f R09: ffffed103ccefbdd [ 20.146226][ T7] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881e677df90 [ 20.154240][ T7] R13: dffffc0000000000 R14: 0000010410000000 R15: ffff8881f5db73c0 [ 20.162374][ T7] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 20.171353][ T7] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.177933][ T7] CR2: 00000000004571f0 CR3: 00000001edc63000 CR4: 00000000003406e0 [ 20.185948][ T7] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 20.194023][ T7] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 20.202012][ T7] Kernel panic - not syncing: Fatal exception [ 20.208403][ T7] Kernel Offset: disabled [ 20.212723][ T7] Rebooting in 86400 seconds..