./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2809440919 <...> Warning: Permanently added '10.128.0.178' (ED25519) to the list of known hosts. execve("./syz-executor2809440919", ["./syz-executor2809440919"], 0x7ffc85be1e10 /* 10 vars */) = 0 brk(NULL) = 0x555581ea4000 brk(0x555581ea4d00) = 0x555581ea4d00 arch_prctl(ARCH_SET_FS, 0x555581ea4380) = 0 set_tid_address(0x555581ea4650) = 5840 set_robust_list(0x555581ea4660, 24) = 0 rseq(0x555581ea4ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2809440919", 4096) = 28 getrandom("\xa2\x12\x49\x17\x63\x6b\xe2\x5f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555581ea4d00 brk(0x555581ec5d00) = 0x555581ec5d00 brk(0x555581ec6000) = 0x555581ec6000 mprotect(0x7f0011fe6000, 16384, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5841 attached , child_tidptr=0x555581ea4650) = 5841 [pid 5841] set_robust_list(0x555581ea4660, 24) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5842 attached ) = 3 [pid 5840] <... clone resumed>, child_tidptr=0x555581ea4650) = 5842 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] set_robust_list(0x555581ea4660, 24 [pid 5841] ioctl(3, LOOP_CLR_FD [pid 5842] <... set_robust_list resumed>) = 0 [pid 5841] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5843 attached [pid 5841] close(3 [pid 5843] set_robust_list(0x555581ea4660, 24 [pid 5842] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5840] <... clone resumed>, child_tidptr=0x555581ea4650) = 5843 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5842] <... openat resumed>) = 3 [pid 5841] <... close resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5844 attached [pid 5842] ioctl(3, LOOP_CLR_FD [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... clone resumed>, child_tidptr=0x555581ea4650) = 5844 [pid 5844] set_robust_list(0x555581ea4660, 24 [pid 5843] <... openat resumed>) = 3 [pid 5842] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] close(3./strace-static-x86_64: Process 5846 attached [pid 5844] <... set_robust_list resumed>) = 0 [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5842] <... close resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5843] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5841] <... clone resumed>, child_tidptr=0x555581ea4650) = 5846 ./strace-static-x86_64: Process 5847 attached [pid 5846] set_robust_list(0x555581ea4660, 24./strace-static-x86_64: Process 5848 attached ) = 0 [pid 5843] close(3 [pid 5847] set_robust_list(0x555581ea4660, 24 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... openat resumed>) = 3 [pid 5843] <... close resumed>) = 0 [pid 5847] <... set_robust_list resumed>) = 0 [pid 5846] <... prctl resumed>) = 0 [pid 5848] set_robust_list(0x555581ea4660, 24 [pid 5847] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5844] ioctl(3, LOOP_CLR_FD [pid 5848] <... set_robust_list resumed>) = 0 [pid 5846] setpgid(0, 0 [pid 5844] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5849 attached [pid 5848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... setpgid resumed>) = 0 [pid 5844] close(3 [pid 5840] <... clone resumed>, child_tidptr=0x555581ea4650) = 5847 [pid 5847] <... openat resumed>) = 3 [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... clone resumed>, child_tidptr=0x555581ea4650) = 5848 [pid 5848] <... prctl resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5849] set_robust_list(0x555581ea4660, 24 [pid 5848] setpgid(0, 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] <... set_robust_list resumed>) = 0 [pid 5848] <... setpgid resumed>) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] ioctl(3, LOOP_CLR_FD [pid 5846] write(3, "1000", 4 [pid 5848] <... openat resumed>) = 3 [pid 5847] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5847] close(3 [pid 5846] <... write resumed>) = 4 [pid 5847] <... close resumed>) = 0 [pid 5846] close(3 [pid 5843] <... clone resumed>, child_tidptr=0x555581ea4650) = 5849 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... close resumed>) = 0 executing program ./strace-static-x86_64: Process 5851 attached [pid 5846] write(1, "executing program\n", 18) = 18 [pid 5846] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5851] set_robust_list(0x555581ea4660, 24) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5851] setpgid(0, 0) = 0 [pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] openat(AT_FDCWD, "/proc/sys/vm/compact_memory", O_WRONLY [pid 5847] <... clone resumed>, child_tidptr=0x555581ea4650) = 5851 [pid 5846] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5850 attached [pid 5851] <... openat resumed>) = 3 [pid 5849] <... prctl resumed>) = 0 [pid 5848] write(3, "1000", 4 [pid 5846] sendfile(4, 3, [88] [pid 5851] write(3, "1000", 4 [pid 5849] setpgid(0, 0 [pid 5848] <... write resumed>) = 4 [pid 5844] <... clone resumed>, child_tidptr=0x555581ea4650) = 5850 [pid 5850] set_robust_list(0x555581ea4660, 24 [pid 5851] <... write resumed>) = 4 [pid 5849] <... setpgid resumed>) = 0 [pid 5848] close(3 [pid 5851] close(3executing program executing program [pid 5850] <... set_robust_list resumed>) = 0 [pid 5851] <... close resumed>) = 0 [pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5848] <... close resumed>) = 0 [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5848] write(1, "executing program\n", 18 [pid 5850] <... prctl resumed>) = 0 [pid 5851] write(1, "executing program\n", 18 [pid 5848] <... write resumed>) = 18 [pid 5850] setpgid(0, 0 [pid 5851] <... write resumed>) = 18 [pid 5850] <... setpgid resumed>) = 0 [pid 5851] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5848] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] <... openat resumed>) = 3 [pid 5848] openat(AT_FDCWD, "/proc/sys/vm/compact_memory", O_WRONLY [pid 5850] write(3, "1000", 4 [pid 5849] <... openat resumed>) = 3 [pid 5848] <... openat resumed>) = 4 [pid 5850] <... write resumed>) = 4 [pid 5850] close(3 [pid 5851] <... openat resumed>) = 3 [pid 5849] write(3, "1000", 4 [pid 5848] sendfile(4, 3, [88] [pid 5850] <... close resumed>) = 0 [pid 5849] <... write resumed>) = 4 executing program [pid 5850] write(1, "executing program\n", 18 [pid 5851] openat(AT_FDCWD, "/proc/sys/vm/compact_memory", O_WRONLY [pid 5849] close(3 [pid 5850] <... write resumed>) = 18 [pid 5851] <... openat resumed>) = 4 [pid 5849] <... close resumed>) = 0 executing program [pid 5850] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5851] sendfile(4, 3, [88] [pid 5849] write(1, "executing program\n", 18) = 18 [pid 5849] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5850] <... openat resumed>) = 3 [pid 5850] openat(AT_FDCWD, "/proc/sys/vm/compact_memory", O_WRONLY [pid 5849] <... openat resumed>) = 3 [pid 5850] <... openat resumed>) = 4 [pid 5849] openat(AT_FDCWD, "/proc/sys/vm/compact_memory", O_WRONLY) = 4 [pid 5850] sendfile(4, 3, [88] [pid 5849] sendfile(4, 3, [88] => [98], 10) = 10 [pid 5850] <... sendfile resumed> => [98], 10) = 10 [pid 5849] memfd_create("syzkaller", 0) = 5 [pid 5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5850] memfd_create("syzkaller", 0 [pid 5848] <... sendfile resumed> => [98], 10) = 10 [pid 5850] <... memfd_create resumed>) = 5 [pid 5849] <... mmap resumed>) = 0x7f0009a00000 [pid 5846] <... sendfile resumed> => [98], 10) = 10 [pid 5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5851] <... sendfile resumed> => [98], 10) = 10 [pid 5848] memfd_create("syzkaller", 0 [pid 5846] memfd_create("syzkaller", 0 [pid 5850] <... mmap resumed>) = 0x7f0009a00000 [pid 5846] <... memfd_create resumed>) = 5 [pid 5851] memfd_create("syzkaller", 0 [pid 5848] <... memfd_create resumed>) = 5 [pid 5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0009a00000 [pid 5851] <... memfd_create resumed>) = 5 [pid 5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0009a00000 [pid 5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0009a00000 [pid 5846] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5851] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5850] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5849] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5848] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5850] <... write resumed>) = 16777216 [pid 5846] <... write resumed>) = 16777216 [pid 5849] <... write resumed>) = 16777216 [pid 5846] munmap(0x7f0009a00000, 138412032 [pid 5851] <... write resumed>) = 16777216 [pid 5851] munmap(0x7f0009a00000, 138412032 [pid 5850] munmap(0x7f0009a00000, 138412032 [pid 5849] munmap(0x7f0009a00000, 138412032 [pid 5851] <... munmap resumed>) = 0 [pid 5849] <... munmap resumed>) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5846] <... munmap resumed>) = 0 [pid 5851] <... openat resumed>) = 6 [pid 5851] ioctl(6, LOOP_SET_FD, 5 [pid 5849] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6 [pid 5849] ioctl(6, LOOP_SET_FD, 5 [pid 5850] <... munmap resumed>) = 0 [pid 5851] <... ioctl resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 5846] ioctl(6, LOOP_SET_FD, 5 [pid 5850] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5851] close(5 [pid 5849] <... ioctl resumed>) = 0 [pid 5848] <... write resumed>) = 16777216 [pid 5850] <... openat resumed>) = 6 [pid 5851] <... close resumed>) = 0 [pid 5849] close(5 [pid 5848] munmap(0x7f0009a00000, 138412032 [pid 5850] ioctl(6, LOOP_SET_FD, 5 [pid 5851] close(6 [pid 5849] <... close resumed>) = 0 [pid 5846] <... ioctl resumed>) = 0 [pid 5846] close(5) = 0 [pid 5846] close(6 [pid 5851] <... close resumed>) = 0 [pid 5849] close(6 [pid 5851] mkdir("./file0", 0777) = 0 [pid 5849] <... close resumed>) = 0 [pid 5849] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5849] mount("/dev/loop2", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5850] <... ioctl resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5850] close(5) = 0 [pid 5846] mkdir("./file0", 0777 [pid 5850] close(6) = 0 [pid 5846] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5850] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5851] mount("/dev/loop4", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5850] mount("/dev/loop3", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5846] mount("/dev/loop0", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5848] <... munmap resumed>) = 0 [ 90.423695][ T5849] loop2: detected capacity change from 0 to 32768 [ 90.423702][ T5851] loop4: detected capacity change from 0 to 32768 [ 90.440116][ T5846] loop0: detected capacity change from 0 to 32768 [ 90.449606][ T5850] loop3: detected capacity change from 0 to 32768 [pid 5851] <... mount resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6 [ 90.487101][ T5846] [ 90.487101][ T5846] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 90.487101][ T5846] [ 90.487101][ T5851] [ 90.487101][ T5851] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 90.487101][ T5851] [ 90.491582][ T5849] [ 90.491582][ T5849] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 90.491582][ T5849] [ 90.527077][ T5848] loop1: detected capacity change from 0 to 32768 [ 90.529648][ T5850] [pid 5848] ioctl(6, LOOP_SET_FD, 5 [pid 5851] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 5851] chdir("./file0") = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5851] exit_group(0) = ? [pid 5851] +++ exited with 0 +++ [pid 5846] <... mount resumed>) = 0 [pid 5848] <... ioctl resumed>) = 0 [pid 5846] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5848] close(5 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5851, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=38 /* 0.38 s */} --- [pid 5846] <... openat resumed>) = 5 [pid 5846] chdir("./file0" [pid 5848] <... close resumed>) = 0 [pid 5848] close(6) = 0 [pid 5848] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5847] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5848] mount("/dev/loop1", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5850] <... mount resumed>) = 0 [pid 5849] <... mount resumed>) = 0 [pid 5850] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 5850] chdir("./file0") = 0 [pid 5850] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5850] exit_group(0) = ? [pid 5850] +++ exited with 0 +++ [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... chdir resumed>) = 0 [pid 5849] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5850, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=39 /* 0.39 s */} --- [pid 5849] chdir("./file0") = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5849] exit_group(0) = ? ./strace-static-x86_64: Process 5853 attached [pid 5849] +++ exited with 0 +++ [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5849, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=44 /* 0.44 s */} --- [pid 5847] <... clone resumed>, child_tidptr=0x555581ea4650) = 5853 [pid 5853] set_robust_list(0x555581ea4660, 24 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5844] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5843] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5844] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5843] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5853] <... set_robust_list resumed>) = 0 [pid 5846] exit_group(0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5855 attached ./strace-static-x86_64: Process 5854 attached [pid 5846] <... exit_group resumed>) = ? [pid 5855] set_robust_list(0x555581ea4660, 24 [pid 5854] set_robust_list(0x555581ea4660, 24 [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] <... clone resumed>, child_tidptr=0x555581ea4650) = 5854 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5854] <... set_robust_list resumed>) = 0 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] <... prctl resumed>) = 0 [pid 5854] <... prctl resumed>) = 0 [pid 5855] setpgid(0, 0 [pid 5854] setpgid(0, 0 [pid 5855] <... setpgid resumed>) = 0 [pid 5854] <... setpgid resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5853] <... prctl resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x555581ea4650) = 5855 [pid 5855] <... openat resumed>) = 3 [pid 5854] <... openat resumed>) = 3 [pid 5855] write(3, "1000", 4 [pid 5854] write(3, "1000", 4 [pid 5853] setpgid(0, 0 [pid 5855] <... write resumed>) = 4 [pid 5854] <... write resumed>) = 4 [pid 5853] <... setpgid resumed>) = 0 [pid 5855] close(3 [pid 5854] close(3executing program executing program [pid 5855] <... close resumed>) = 0 [pid 5854] <... close resumed>) = 0 [pid 5855] write(1, "executing program\n", 18 [pid 5854] write(1, "executing program\n", 18 [pid 5855] <... write resumed>) = 18 [pid 5854] <... write resumed>) = 18 [pid 5855] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5854] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] <... openat resumed>) = 3 [pid 5854] <... openat resumed>) = 3 [pid 5846] +++ exited with 0 +++ [pid 5855] openat(AT_FDCWD, "/proc/sys/vm/compact_memory", O_WRONLY [pid 5854] openat(AT_FDCWD, "/proc/sys/vm/compact_memory", O_WRONLY [pid 5853] <... openat resumed>) = 3 [pid 5855] <... openat resumed>) = 4 [pid 5854] <... openat resumed>) = 4 [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=40 /* 0.40 s */} --- [pid 5855] sendfile(4, 3, [88] [pid 5854] sendfile(4, 3, [88] [pid 5853] write(3, "1000", 4 [pid 5841] restart_syscall(<... resuming interrupted clone ...> [pid 5853] <... write resumed>) = 4 [pid 5848] <... mount resumed>) = 0 [pid 5841] <... restart_syscall resumed>) = 0 [pid 5853] close(3 [ 90.529648][ T5850] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 90.529648][ T5850] [ 90.555966][ T5848] [ 90.555966][ T5848] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 90.555966][ T5848] [pid 5848] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORYexecuting program [pid 5853] <... close resumed>) = 0 [pid 5848] <... openat resumed>) = 5 [pid 5853] write(1, "executing program\n", 18 [pid 5848] chdir("./file0" [pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5848] <... chdir resumed>) = 0 [pid 5841] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] exit_group(0 [pid 5841] <... clone resumed>, child_tidptr=0x555581ea4650) = 5856 ./strace-static-x86_64: Process 5856 attached [pid 5853] <... write resumed>) = 18 [pid 5848] <... exit_group resumed>) = ? [pid 5856] set_robust_list(0x555581ea4660, 24) = 0 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5856] setpgid(0, 0) = 0 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5853] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5848] +++ exited with 0 +++ [pid 5853] <... openat resumed>) = 3 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5848, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=33 /* 0.33 s */} --- executing program [pid 5853] openat(AT_FDCWD, "/proc/sys/vm/compact_memory", O_WRONLY [pid 5842] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5856] write(3, "1000", 4) = 4 [pid 5842] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5856] close(3 [pid 5853] <... openat resumed>) = 4 [pid 5856] <... close resumed>) = 0 [pid 5856] write(1, "executing program\n", 18) = 18 [pid 5856] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5853] sendfile(4, 3, [88] [pid 5856] <... openat resumed>) = 3 [pid 5856] openat(AT_FDCWD, "/proc/sys/vm/compact_memory", O_WRONLY) = 4 [pid 5856] sendfile(4, 3, [88] [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5857 attached , child_tidptr=0x555581ea4650) = 5857 [pid 5857] set_robust_list(0x555581ea4660, 24) = 0 [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5857] setpgid(0, 0) = 0 [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5857] write(3, "1000", 4) = 4 [pid 5857] close(3executing program ) = 0 [pid 5857] write(1, "executing program\n", 18) = 18 [pid 5857] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5857] openat(AT_FDCWD, "/proc/sys/vm/compact_memory", O_WRONLY) = 4 [pid 5857] sendfile(4, 3, [88] [pid 5854] <... sendfile resumed> => [98], 10) = 10 [pid 5854] memfd_create("syzkaller", 0) = 5 [pid 5854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0009a00000 [pid 5855] <... sendfile resumed> => [98], 10) = 10 [pid 5856] <... sendfile resumed> => [98], 10) = 10 [pid 5855] memfd_create("syzkaller", 0) = 5 [pid 5855] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0009a00000 [pid 5856] memfd_create("syzkaller", 0) = 5 [pid 5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0009a00000 [pid 5853] <... sendfile resumed> => [98], 10) = 10 [pid 5853] memfd_create("syzkaller", 0) = 5 [pid 5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0009a00000 [pid 5857] <... sendfile resumed> => [98], 10) = 10 [pid 5857] memfd_create("syzkaller", 0) = 5 [pid 5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0009a00000 [pid 5854] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5855] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5856] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5853] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5857] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5854] <... write resumed>) = 16777216 [pid 5854] munmap(0x7f0009a00000, 138412032) = 0 [pid 5855] <... write resumed>) = 16777216 [pid 5855] munmap(0x7f0009a00000, 138412032 [pid 5854] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5854] close(5 [pid 5856] <... write resumed>) = 16777216 [pid 5855] <... munmap resumed>) = 0 [pid 5856] munmap(0x7f0009a00000, 138412032) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5856] close(5 [pid 5855] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5855] close(5 [pid 5853] <... write resumed>) = 16777216 [pid 5853] munmap(0x7f0009a00000, 138412032) = 0 [pid 5853] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5853] close(5 [pid 5857] <... write resumed>) = 16777216 [pid 5857] munmap(0x7f0009a00000, 138412032) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5854] <... close resumed>) = 0 [pid 5857] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5857] close(5 [pid 5854] exit_group(0) = ? [pid 5854] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=51 /* 0.51 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5855] <... close resumed>) = 0 [pid 5855] exit_group(0 [pid 5843] <... restart_syscall resumed>) = 0 [pid 5855] <... exit_group resumed>) = ? [pid 5855] +++ exited with 0 +++ [pid 5856] <... close resumed>) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=45 /* 0.45 s */} --- [pid 5843] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555581ea4650) = 5859 ./strace-static-x86_64: Process 5859 attached executing program [pid 5859] set_robust_list(0x555581ea4660, 24) = 0 [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5859] setpgid(0, 0) = 0 [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5859] write(3, "1000", 4) = 4 [pid 5859] close(3) = 0 [pid 5859] write(1, "executing program\n", 18) = 18 [pid 5859] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5859] openat(AT_FDCWD, "/proc/sys/vm/compact_memory", O_WRONLY) = 4 [pid 5856] exit_group(0 [pid 5859] sendfile(4, 3, [88] [pid 5856] <... exit_group resumed>) = ? [pid 5844] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] +++ exited with 0 +++ [pid 5844] <... clone resumed>, child_tidptr=0x555581ea4650) = 5860 ./strace-static-x86_64: Process 5860 attached [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=40 /* 0.40 s */} --- [pid 5841] restart_syscall(<... resuming interrupted clone ...> [pid 5860] set_robust_list(0x555581ea4660, 24) = 0 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5860] setpgid(0, 0) = 0 [pid 5841] <... restart_syscall resumed>) = 0 [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5860] <... openat resumed>) = 3 [pid 5860] write(3, "1000", 4 [pid 5841] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5860] <... write resumed>) = 4 [pid 5860] close(3 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5860] <... close resumed>) = 0 [pid 5860] write(1, "executing program\n", 18executing program ./strace-static-x86_64: Process 5861 attached ) = 18 [pid 5841] <... clone resumed>, child_tidptr=0x555581ea4650) = 5861 [pid 5860] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5861] set_robust_list(0x555581ea4660, 24 [pid 5860] <... openat resumed>) = 3 [pid 5861] <... set_robust_list resumed>) = 0 [pid 5860] openat(AT_FDCWD, "/proc/sys/vm/compact_memory", O_WRONLY [pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5860] <... openat resumed>) = 4 [pid 5861] <... prctl resumed>) = 0 [pid 5860] sendfile(4, 3, [88] [pid 5861] setpgid(0, 0) = 0 [pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5861] write(3, "1000", 4executing program ) = 4 [pid 5861] close(3) = 0 [pid 5861] write(1, "executing program\n", 18) = 18 [pid 5861] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5861] openat(AT_FDCWD, "/proc/sys/vm/compact_memory", O_WRONLY) = 4 [pid 5861] sendfile(4, 3, [88] [pid 5853] <... close resumed>) = 0 [pid 5853] exit_group(0) = ? [pid 5853] +++ exited with 0 +++ [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5853, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=48 /* 0.48 s */} --- [pid 5847] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5862 attached , child_tidptr=0x555581ea4650) = 5862 [pid 5862] set_robust_list(0x555581ea4660, 24) = 0 [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 92.142432][ T47] cfg80211: failed to load regulatory.db [pid 5862] setpgid(0, 0) = 0 [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5862] write(3, "1000", 4) = 4 executing program [pid 5862] close(3) = 0 [pid 5862] write(1, "executing program\n", 18) = 18 [pid 5862] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5862] openat(AT_FDCWD, "/proc/sys/vm/compact_memory", O_WRONLY) = 4 [pid 5862] sendfile(4, 3, [88] [pid 5857] <... close resumed>) = 0 [pid 5857] exit_group(0) = ? [pid 5857] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5857, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=38 /* 0.38 s */} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5863 attached , child_tidptr=0x555581ea4650) = 5863 [pid 5863] set_robust_list(0x555581ea4660, 24) = 0 [pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5863] setpgid(0, 0) = 0 [pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5863] write(3, "1000", 4) = 4 [pid 5863] close(3) = 0 [pid 5863] write(1, "executing program\n", 18executing program ) = 18 [pid 5863] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [ 92.351134][ T5861] ------------[ cut here ]------------ [ 92.356802][ T5861] jfs_metapage_aops does not implement migrate_folio [ 92.382290][ T5861] WARNING: CPU: 1 PID: 5861 at mm/migrate.c:955 move_to_new_folio+0x70e/0x840 [ 92.391338][ T5861] Modules linked in: [ 92.395399][ T5861] CPU: 1 UID: 0 PID: 5861 Comm: syz-executor280 Not tainted 6.15.0-rc1-next-20250411-syzkaller #0 PREEMPT(full) [ 92.407574][ T5861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 92.417785][ T5861] RIP: 0010:move_to_new_folio+0x70e/0x840 [ 92.423615][ T5861] Code: b8 00 00 00 00 00 fc ff df 41 80 7c 05 00 00 74 08 4c 89 e7 e8 73 2d fe ff 49 8b 34 24 48 c7 c7 00 8b 57 8c e8 d3 0b 53 ff 90 <0f> 0b 90 90 e9 0a fd ff ff e8 74 f6 93 ff 90 0f 0b 90 eb a7 e8 69 [ 92.443391][ T5861] RSP: 0018:ffffc90003f16b30 EFLAGS: 00010246 [ 92.449497][ T5861] RAX: b07441ff5c2b4f00 RBX: 0000000000000000 RCX: ffff88803508bc00 [ 92.457552][ T5861] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 92.465644][ T5861] RBP: ffffea00008cc8c0 R08: ffffffff81829232 R09: fffffbfff1d7ab08 [ 92.473718][ T5861] R10: dffffc0000000000 R11: fffffbfff1d7ab08 R12: ffff888075b9d130 [ 92.481783][ T5861] R13: 1ffff1100eb73a26 R14: ffffffff8c839248 R15: ffff888075b9d010 [ 92.489816][ T5861] FS: 0000555581ea4380(0000) GS:ffff888125080000(0000) knlGS:0000000000000000 [ 92.498846][ T5861] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.505593][ T5861] CR2: 00007fb8bd341e36 CR3: 000000003002a000 CR4: 00000000003526f0 [ 92.513650][ T5861] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.521707][ T5861] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.529736][ T5861] Call Trace: [ 92.533104][ T5861] [ 92.536072][ T5861] migrate_pages_batch+0x1e86/0x30b0 [ 92.541511][ T5861] ? __pfx_compaction_free+0x10/0x10 [ 92.546844][ T5861] ? __pfx_migrate_pages_batch+0x10/0x10 [ 92.552573][ T5861] ? css_rstat_updated+0x185/0xd00 [ 92.557742][ T5861] ? rcu_is_watching+0x15/0xb0 [ 92.562632][ T5861] ? preempt_schedule_irq+0x145/0x1c0 [ 92.568049][ T5861] ? __pfx_preempt_schedule_irq+0x10/0x10 [ 92.573885][ T5861] migrate_pages+0x1e13/0x3470 [ 92.578721][ T5861] ? __pfx_compaction_free+0x10/0x10 [ 92.584125][ T5861] ? __pfx_compaction_alloc+0x10/0x10 [ 92.589546][ T5861] ? __pfx_migrate_pages+0x10/0x10 [ 92.594835][ T5861] ? isolate_migratepages_block+0x2241/0x51f0 [ 92.601031][ T5861] ? __pageblock_pfn_to_page+0xd3/0x3c0 [ 92.606625][ T5861] ? __pageblock_pfn_to_page+0xd3/0x3c0 [ 92.612273][ T5861] compact_zone+0x365d/0x4dd0 [ 92.617037][ T5861] ? __mutex_unlock_slowpath+0x229/0x800 [ 92.622795][ T5861] ? __pfx_compact_zone+0x10/0x10 [ 92.627855][ T5861] ? kasan_save_track+0x51/0x80 [ 92.632786][ T5861] ? kasan_save_track+0x3f/0x80 [ 92.637673][ T5861] ? __kasan_kmalloc+0x9d/0xb0 [ 92.642572][ T5861] sysctl_compaction_handler+0x498/0x9a0 [ 92.648251][ T5861] ? __pfx_sysctl_compaction_handler+0x10/0x10 [ 92.654536][ T5861] ? rcu_is_watching+0x15/0xb0 [ 92.659347][ T5861] ? trace_kmalloc+0x1f/0xd0 [ 92.664043][ T5861] ? __kvmalloc_node_noprof+0x34a/0x5a0 [ 92.669635][ T5861] ? __pfx_sysctl_compaction_handler+0x10/0x10 [ 92.675871][ T5861] proc_sys_call_handler+0x54b/0x820 [ 92.681282][ T5861] ? __pfx_proc_sys_call_handler+0x10/0x10 [ 92.687254][ T5861] iter_file_splice_write+0xbdf/0x1530 [ 92.692833][ T5861] ? __pfx_iter_file_splice_write+0x10/0x10 [ 92.698806][ T5861] ? rcu_read_lock_any_held+0xbb/0x160 [ 92.704411][ T5861] ? __pfx_iter_file_splice_write+0x10/0x10 [ 92.710357][ T5861] direct_splice_actor+0x11b/0x220 [ 92.715585][ T5861] splice_direct_to_actor+0x595/0xc90 [ 92.721071][ T5861] ? aa_file_perm+0x14e/0x1300 [ 92.725908][ T5861] ? __pfx_direct_splice_actor+0x10/0x10 [ 92.731636][ T5861] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 92.737576][ T5861] ? do_raw_spin_lock+0x151/0x370 [ 92.742744][ T5861] do_splice_direct+0x281/0x3d0 [ 92.747659][ T5861] ? __pfx_do_splice_direct+0x10/0x10 [ 92.753149][ T5861] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 92.759110][ T5861] ? rw_verify_area+0x246/0x630 [ 92.764140][ T5861] do_sendfile+0x582/0x8d0 [ 92.768709][ T5861] ? __pfx_do_sendfile+0x10/0x10 [ 92.773783][ T5861] __se_sys_sendfile64+0x102/0x1e0 [ 92.778949][ T5861] ? __pfx___se_sys_sendfile64+0x10/0x10 [ 92.784718][ T5861] do_syscall_64+0xf3/0x230 [ 92.789261][ T5861] ? clear_bhb_loop+0x45/0xa0 [ 92.794014][ T5861] entry_SYSCALL_64_after_hwframe+0x77/0x7f [pid 5863] openat(AT_FDCWD, "/proc/sys/vm/compact_memory", O_WRONLY) = 4 [pid 5859] <... sendfile resumed> => [98], 10) = 10 [pid 5859] memfd_create("syzkaller", 0) = 5 [pid 5859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0009a00000 [ 92.799951][ T5861] RIP: 0033:0x7f0011f6cc49 [ 92.804512][ T5861] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 92.824242][ T5861] RSP: 002b:00007ffeb8797248 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 92.832794][ T5861] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0011f6cc49 [ 92.840870][ T5861] RDX: 0000200000000180 RSI: 0000000000000003 RDI: 0000000000000004 [ 92.848884][ T5861] RBP: 00000000000f4240 R08: 0000555581ea5378 R09: 0000555581ea5378 [ 92.856951][ T5861] R10: 000000000000000a R11: 0000000000000246 R12: 00000000000161d0 [ 92.865021][ T5861] R13: 00007ffeb8797280 R14: 00007ffeb879726c R15: 00007f0011fb503b [ 92.873089][ T5861] [ 92.876245][ T5861] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 92.883555][ T5861] CPU: 1 UID: 0 PID: 5861 Comm: syz-executor280 Not tainted 6.15.0-rc1-next-20250411-syzkaller #0 PREEMPT(full) [ 92.895456][ T5861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 92.905516][ T5861] Call Trace: [ 92.908798][ T5861] [ 92.911735][ T5861] dump_stack_lvl+0x241/0x360 [ 92.916431][ T5861] ? __pfx_dump_stack_lvl+0x10/0x10 [ 92.921648][ T5861] ? __pfx__printk+0x10/0x10 [ 92.926259][ T5861] ? vscnprintf+0x5d/0x90 [ 92.930611][ T5861] panic+0x349/0x880 [ 92.934543][ T5861] ? __warn+0x174/0x4d0 [ 92.938711][ T5861] ? __pfx_panic+0x10/0x10 [ 92.943155][ T5861] __warn+0x344/0x4d0 [ 92.947198][ T5861] ? move_to_new_folio+0x70e/0x840 [ 92.952358][ T5861] report_bug+0x2b3/0x500 [ 92.956742][ T5861] ? move_to_new_folio+0x70e/0x840 [ 92.961902][ T5861] ? move_to_new_folio+0x70e/0x840 [ 92.967038][ T5861] ? move_to_new_folio+0x710/0x840 [ 92.972169][ T5861] handle_bug+0x89/0x170 [ 92.976438][ T5861] exc_invalid_op+0x1a/0x50 [ 92.980956][ T5861] asm_exc_invalid_op+0x1a/0x20 [ 92.985814][ T5861] RIP: 0010:move_to_new_folio+0x70e/0x840 [ 92.991549][ T5861] Code: b8 00 00 00 00 00 fc ff df 41 80 7c 05 00 00 74 08 4c 89 e7 e8 73 2d fe ff 49 8b 34 24 48 c7 c7 00 8b 57 8c e8 d3 0b 53 ff 90 <0f> 0b 90 90 e9 0a fd ff ff e8 74 f6 93 ff 90 0f 0b 90 eb a7 e8 69 [ 93.011158][ T5861] RSP: 0018:ffffc90003f16b30 EFLAGS: 00010246 [ 93.017243][ T5861] RAX: b07441ff5c2b4f00 RBX: 0000000000000000 RCX: ffff88803508bc00 [ 93.025218][ T5861] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 93.033204][ T5861] RBP: ffffea00008cc8c0 R08: ffffffff81829232 R09: fffffbfff1d7ab08 [ 93.041215][ T5861] R10: dffffc0000000000 R11: fffffbfff1d7ab08 R12: ffff888075b9d130 [ 93.049198][ T5861] R13: 1ffff1100eb73a26 R14: ffffffff8c839248 R15: ffff888075b9d010 [ 93.057187][ T5861] ? __warn_printk+0x2a2/0x360 [ 93.061984][ T5861] migrate_pages_batch+0x1e86/0x30b0 [ 93.067323][ T5861] ? __pfx_compaction_free+0x10/0x10 [ 93.072654][ T5861] ? __pfx_migrate_pages_batch+0x10/0x10 [ 93.078313][ T5861] ? css_rstat_updated+0x185/0xd00 [ 93.083450][ T5861] ? rcu_is_watching+0x15/0xb0 [ 93.088228][ T5861] ? preempt_schedule_irq+0x145/0x1c0 [ 93.093608][ T5861] ? __pfx_preempt_schedule_irq+0x10/0x10 [ 93.099340][ T5861] migrate_pages+0x1e13/0x3470 [ 93.104151][ T5861] ? __pfx_compaction_free+0x10/0x10 [ 93.109443][ T5861] ? __pfx_compaction_alloc+0x10/0x10 [ 93.114828][ T5861] ? __pfx_migrate_pages+0x10/0x10 [ 93.119959][ T5861] ? isolate_migratepages_block+0x2241/0x51f0 [ 93.126058][ T5861] ? __pageblock_pfn_to_page+0xd3/0x3c0 [ 93.131624][ T5861] ? __pageblock_pfn_to_page+0xd3/0x3c0 [ 93.137193][ T5861] compact_zone+0x365d/0x4dd0 [ 93.141911][ T5861] ? __mutex_unlock_slowpath+0x229/0x800 [ 93.147565][ T5861] ? __pfx_compact_zone+0x10/0x10 [ 93.152595][ T5861] ? kasan_save_track+0x51/0x80 [ 93.157469][ T5861] ? kasan_save_track+0x3f/0x80 [ 93.162326][ T5861] ? __kasan_kmalloc+0x9d/0xb0 [ 93.167112][ T5861] sysctl_compaction_handler+0x498/0x9a0 [ 93.172759][ T5861] ? __pfx_sysctl_compaction_handler+0x10/0x10 [ 93.178943][ T5861] ? rcu_is_watching+0x15/0xb0 [ 93.183722][ T5861] ? trace_kmalloc+0x1f/0xd0 [ 93.188323][ T5861] ? __kvmalloc_node_noprof+0x34a/0x5a0 [ 93.193883][ T5861] ? __pfx_sysctl_compaction_handler+0x10/0x10 [ 93.200043][ T5861] proc_sys_call_handler+0x54b/0x820 [ 93.205347][ T5861] ? __pfx_proc_sys_call_handler+0x10/0x10 [ 93.211209][ T5861] iter_file_splice_write+0xbdf/0x1530 [ 93.216701][ T5861] ? __pfx_iter_file_splice_write+0x10/0x10 [ 93.222616][ T5861] ? rcu_read_lock_any_held+0xbb/0x160 [ 93.228098][ T5861] ? __pfx_iter_file_splice_write+0x10/0x10 [ 93.234007][ T5861] direct_splice_actor+0x11b/0x220 [ 93.239136][ T5861] splice_direct_to_actor+0x595/0xc90 [ 93.244520][ T5861] ? aa_file_perm+0x14e/0x1300 [ 93.249306][ T5861] ? __pfx_direct_splice_actor+0x10/0x10 [ 93.254953][ T5861] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 93.260864][ T5861] ? do_raw_spin_lock+0x151/0x370 [ 93.265911][ T5861] do_splice_direct+0x281/0x3d0 [ 93.270782][ T5861] ? __pfx_do_splice_direct+0x10/0x10 [ 93.276171][ T5861] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 93.282083][ T5861] ? rw_verify_area+0x246/0x630 [ 93.286962][ T5861] do_sendfile+0x582/0x8d0 [ 93.291434][ T5861] ? __pfx_do_sendfile+0x10/0x10 [ 93.296432][ T5861] __se_sys_sendfile64+0x102/0x1e0 [ 93.301595][ T5861] ? __pfx___se_sys_sendfile64+0x10/0x10 [ 93.307285][ T5861] do_syscall_64+0xf3/0x230 [ 93.311837][ T5861] ? clear_bhb_loop+0x45/0xa0 [ 93.316555][ T5861] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.322481][ T5861] RIP: 0033:0x7f0011f6cc49 [ 93.326934][ T5861] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 93.346580][ T5861] RSP: 002b:00007ffeb8797248 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 93.355043][ T5861] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0011f6cc49 [ 93.363044][ T5861] RDX: 0000200000000180 RSI: 0000000000000003 RDI: 0000000000000004 [ 93.371024][ T5861] RBP: 00000000000f4240 R08: 0000555581ea5378 R09: 0000555581ea5378 [ 93.379018][ T5861] R10: 000000000000000a R11: 0000000000000246 R12: 00000000000161d0 [ 93.387019][ T5861] R13: 00007ffeb8797280 R14: 00007ffeb879726c R15: 00007f0011fb503b [ 93.395027][ T5861] [ 93.398422][ T5861] Kernel Offset: disabled [ 93.402755][ T5861] Rebooting in 86400 seconds..